From 32309e019f2ff7d9f69f3e0016f67439e81b8b30 Mon Sep 17 00:00:00 2001 From: Louis Burda Date: Sat, 30 Mar 2024 15:37:05 +0100 Subject: Rename to solve --- chall/Dockerfile | 33 - chall/apache-config.conf | 15 - chall/flag | 1 - chall/lolpython.py | 768 -- chall/notes | 41 - chall/ply-2.2.tar.gz | Bin 0 -> 142210 bytes chall/ply-2.2/ANNOUNCE | 48 - chall/ply-2.2/CHANGES | 680 -- chall/ply-2.2/COPYING | 504 -- chall/ply-2.2/README | 277 - chall/ply-2.2/TODO | 14 - .../build/lib.linux-x86_64-2.7/ply/__init__.py | 4 - .../ply-2.2/build/lib.linux-x86_64-2.7/ply/lex.py | 866 -- .../ply-2.2/build/lib.linux-x86_64-2.7/ply/yacc.py | 2209 ----- chall/ply-2.2/doc/makedoc.py | 194 - chall/ply-2.2/doc/ply.html | 2874 ------- chall/ply-2.2/example/BASIC/README | 79 - chall/ply-2.2/example/BASIC/basic.py | 68 - chall/ply-2.2/example/BASIC/basiclex.py | 74 - chall/ply-2.2/example/BASIC/basinterp.py | 440 - chall/ply-2.2/example/BASIC/basparse.py | 424 - chall/ply-2.2/example/BASIC/dim.bas | 14 - 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chall/ply-2.2/test/yacc_error3.py | 68 - chall/ply-2.2/test/yacc_inf.exp | 5 - chall/ply-2.2/test/yacc_inf.py | 57 - chall/ply-2.2/test/yacc_missing1.exp | 2 - chall/ply-2.2/test/yacc_missing1.py | 69 - chall/ply-2.2/test/yacc_nodoc.exp | 2 - chall/ply-2.2/test/yacc_nodoc.py | 68 - chall/ply-2.2/test/yacc_noerror.exp | 2 - chall/ply-2.2/test/yacc_noerror.py | 67 - chall/ply-2.2/test/yacc_nop.exp | 2 - chall/ply-2.2/test/yacc_nop.py | 69 - chall/ply-2.2/test/yacc_notfunc.exp | 4 - chall/ply-2.2/test/yacc_notfunc.py | 67 - chall/ply-2.2/test/yacc_notok.exp | 1 - chall/ply-2.2/test/yacc_notok.py | 68 - chall/ply-2.2/test/yacc_rr.exp | 2 - chall/ply-2.2/test/yacc_rr.py | 73 - chall/ply-2.2/test/yacc_simple.exp | 1 - chall/ply-2.2/test/yacc_simple.py | 69 - chall/ply-2.2/test/yacc_sr.exp | 2 - chall/ply-2.2/test/yacc_sr.py | 64 - chall/ply-2.2/test/yacc_term1.exp | 2 - chall/ply-2.2/test/yacc_term1.py | 69 - chall/ply-2.2/test/yacc_unused.exp | 4 - chall/ply-2.2/test/yacc_unused.py | 78 - chall/ply-2.2/test/yacc_uprec.exp | 2 - chall/ply-2.2/test/yacc_uprec.py | 64 - chall/src/css/bootstrap-grid.css | 2050 ----- chall/src/css/bootstrap-grid.min.css | 7 - chall/src/css/bootstrap-reboot.css | 330 - chall/src/css/bootstrap-reboot.min.css | 8 - chall/src/css/bootstrap.css | 8975 -------------------- chall/src/css/bootstrap.min.css | 7 - chall/src/css/custom.css | 66 - chall/src/form.php | 24 - chall/src/index.php | 58 - chall/src/js/bootstrap.bundle.js | 6328 -------------- chall/src/js/bootstrap.bundle.min.js | 7 - chall/src/js/bootstrap.js | 3894 --------- chall/src/js/bootstrap.min.js | 7 - chall/src/js/rockstar.js | 13 - chall/src/transpile.php | 18 - public/ply-2.2.tar.gz | Bin 142210 -> 0 bytes solve/Dockerfile | 33 + solve/apache-config.conf | 15 + solve/flag | 1 + solve/lolpython.py | 768 ++ solve/notes | 41 + solve/ply-2.2/ANNOUNCE | 48 + solve/ply-2.2/CHANGES | 680 ++ solve/ply-2.2/COPYING | 504 ++ solve/ply-2.2/README | 277 + solve/ply-2.2/TODO | 14 + 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python2 curl tar - -# Expose apache. -EXPOSE 1024 - -ADD src/ /var/www/site/ - -RUN chmod -R 755 /var/www/ -RUN chown -R www-data:www-data /var/www - -COPY flag /flag -RUN chmod 777 /flag - -RUN mkdir -p /var/www/site/uploads -RUN chmod -R 777 /var/www/site/uploads - -# Update the default apache site with the config we created. -ADD apache-config.conf /etc/apache2/sites-enabled/000-default.conf - -RUN sed -i 's/Listen 80/Listen 1024/' /etc/apache2/ports.conf - - -# Install ply and lolcode1337 -WORKDIR /opt/ -RUN curl https://www.dabeaz.com/ply/ply-2.2.tar.gz -k -o ply-2.2.tar.gz && curl http://dalkescientific.com/writings/diary/lolpython.py -k -o lolcode.py && \ - tar -xvf ply-2.2.tar.gz && cd ply-2.2 && python2 setup.py install \ No newline at end of file diff --git a/chall/apache-config.conf b/chall/apache-config.conf deleted file mode 100644 index 42b6468..0000000 --- a/chall/apache-config.conf +++ /dev/null @@ -1,15 +0,0 @@ - - ServerAdmin me@mydomain.com - DocumentRoot /var/www/site - - - Options -Indexes +FollowSymLinks +MultiViews - AllowOverride All - Order deny,allow - Allow from all - - - ErrorLog ${APACHE_LOG_DIR}/error.log - CustomLog ${APACHE_LOG_DIR}/access.log combined - - diff --git a/chall/flag b/chall/flag deleted file mode 100644 index 446584c..0000000 --- a/chall/flag +++ /dev/null @@ -1 +0,0 @@ -CSCG{GZ!H4rd3st_p4rt_of_this_chall3nge_was_python2_and_ply_bug_f1xing:D} diff --git a/chall/lolpython.py b/chall/lolpython.py deleted file mode 100644 index 6337124..0000000 --- a/chall/lolpython.py +++ /dev/null @@ -1,768 +0,0 @@ -#!/usr/bin/env python -# Implementation of the LOLPython language. -# Converts from LOLPython to Python then optionally runs the Python. - -# This package depends on PLY -- http://www.dabeaz.com/ply/ - -# Written by Andrew Dalke -# Dalke Scientific Software, LLC -# 1 June 2007, Gothenburg, Sweden -# -# This software is in the public domain. For details see: -# http://creativecommons.org/licenses/publicdomain/ - - -import sys -import keyword -import os -import types -from cStringIO import StringIO -from ply import * - - -__NAME__ = "lolpython" -__VERSION__ = "1.0" - -# Translating LOLPython tokens to Python tokens -# This could be cleaned up. For example, some of -# these tokens could be merged into one. -tokens = ( - "NAME", # variable names - "RESERVED", # Used for Python reserved names - "NUMBER", # Integers and floats - "STRING", - "OP", # Like the Python OP - "CLOSE", # Don't really need this.. - - "COMMENT", - "AUTOCALL", # write t.value then add '(' - "INLINE", # write t.value directly - "FUTURE", # for the "I FUTURE CAT WITH" statement - "PRINT", # VISIBLE -> stdout or COMPLAIN -> stderr - - "ENDMARKER", - "COLON", - "WS", - "NEWLINE", -) - -# Helper functions for making given token types -def OP(t, value): - t.type = "OP" - t.value = value - return t - -def RESERVED(t, value): - t.type = "RESERVED" - t.value = value - return t - -def AUTOCALL(t, value): - t.type = "AUTOCALL" - t.value = "tuple" - t.lexer.paren_stack.append(")") - return t - -def INLINE(t, value): - t.type = "INLINE" - t.value = value - return t - -##### - -# ply uses a large regex for token detection, and sre is limited to -# 100 groups. This grammar pushes the limit. I use (?:non-grouping) -# parens to keep the count down. - - -def t_ASSIGN(t): # cannot be a simple pattern because it must - r'CAN[ ]+HA[SZ]\b' # come before the t_NAME definition - return OP(t, "=") - -def t_SINGLE_QUOTE_STRING(t): - r"'([^\\']+|\\'|\\\\)*'" # I think this is right ... - t.type = "STRING" - t.value = t.value[1:-1].decode("string-escape") - return t - -def t_DOUBLE_QUOTE_STRING(t): - r'"([^\\"]+|\\"|\\\\)*"' - t.type = "STRING" - t.value = t.value[1:-1].decode("string-escape") - print(t.value) - return t - -# and LOL quoted strings! They end with /LOL -# No way to have "/LOL" in the string. -def t_LOL_STRING(t): - r"LOL[ ]*((?!/LOL).|\n)*[ ]*/LOL" - t.type = "STRING" - t.value = t.value[3:-4].strip(" ") - return t - -# Aliases for the same thing - for extra cuteness -def t_LSQUARE(t): - r"(?:SOME|LOOK[ ]AT|LET[ ]+THE)\b" - t.lexer.paren_stack.append(']') - return OP(t, "[") - -def t_LPAREN(t): - r"(?:WIT|THEZ)\b" - t.lexer.paren_stack.append(')') - return OP(t, "(") - -def t_LBRACE(t): - r"BUCKET\b" - t.lexer.paren_stack.append("}") - return OP(t, "{") - -def t_CLOSE(t): - r"(?:OK(!+|\b)|!+)" - stack = t.lexer.paren_stack - if t.value.startswith("OK"): - num_closes = len(t.value)-1 # OK -> 1, OK! -> 2, OK!!->3 - else: - num_closes = len(t.value) # ! -> 1, !! -> 2 - # Which close is this? I use "OK" to match (, [ and { - if len(stack) < num_closes: - raise AssertionError("not enough opens on the stack: line %d" - % (t.lineno,)) - t.value = "".join(stack[-num_closes:][::-1]) - del stack[-num_closes:] - return t - -def t_EQ(t): - r"KINDA[ ]+LIKE\b" - return OP(t, "==") - -def t_NE(t): - r"(?:KINDA[ ]+)?NOT[ ]+LIKE\b" - return OP(t, "!=") - -def t_is(t): - r"KINDA[ ]+IS\b" - return RESERVED(t, "is") - -def t_GT(t): - r"ATE[ ]+MORE[ ]+CHEEZBURGERS?[ ]+THAN\b" - return OP(t, ">") - -def t_LT(t): - r"ATE[ ]+FEWER[ ]+CHEEZBURGERS?[ ]+THAN\b" - return OP(t, "<") - -def t_GTE(t): - r"BIG[ ]+LIKE\b" - return OP(t, ">=") - -def t_LTE(t): - r"SMALL[ ]+LIKE\b" - return OP(t, "<=") - -def t_RETURN(t): - r"U[ ]+TAKE\b" - return RESERVED(t, "return") - -def t_yield(t): - r"U[ ]+BORROW\b" - return RESERVED(t, "yield") - -def t_ELIF(t): - r"OR[ ]+IZ\b" - return RESERVED(t, "elif") - -def t_ELSE(t): - r"(?:(?:I[ ]+GIVE[ ]+UP|IZ[ ]+KEWL|ALL[ ]+DONE)|NOPE)\b" - return RESERVED(t, "else") - -def t_COLON(t): - r"\?" - t.value = ":" - return t - -def t_FROM(t): - r"IN[ ]+MAI\b" - return RESERVED(t, "from") - -def t_EXCEPT(t): - r"O[ ]+NOES\b" - return RESERVED(t, "except") - -def t_PLUS(t): - r"ALONG[ ]+WITH\b" - return OP(t, "+") -def t_MINUS(t): - r"TAKE[ ]+AWAY\b" - return OP(t, "-") - -def t_PLUS_EQUAL(t): - r"GETZ[ ]+ANOTHR\b" - return OP(t, "+=") - -def t_MINUS_EQUAL(t): - r"THROW[SZ]?[ ]+AWAY\b" - return OP(t, "-=") - -def t_DIV(t): - r"SMASHES[ ]+INTO\b" - return OP(t, "/") -def t_DIV_EQUAL(t): - r"SMASHES[ ]+INTO[ ]+HAS\b" - return OP(t, "/=") -def t_TRUEDIV(t): - r"SMASHES[ ]+NICELY[ ]+INTO\b" - return OP(t, "//") -def t_MUL(t): - r"OF[ ]THOSE\b" - return OP(t, "*") -def t_MUL_EQUAL(t): - r"COPIES[ ]+(?:HIM|HER|IT)SELF[ ]+BY\b" - return OP(t, "*=") -def t_POW(t): - r"BY[ ]+GRAYSKULL[ ]+POWER" - return OP(t, "**") -def t_IN(t): - r"IN[ ]+(?:UR|THE|THIS)\b" - return OP(t, "in") -def t_del(t): - r"DO[ ]+NOT[ ]+WANT\b" - return RESERVED(t, "del") -def t_and(t): - r"\&" - return RESERVED(t, "and") -def t_or(t): - r"OR[ ]+MABEE\b" - return RESERVED(t, "or") - -def t_pass(t): - r"I[ ]+IZ[ ]+CUTE\b" - return RESERVED(t, "pass") - -def t_forever(t): - r"WHILE[ ]+I[ ]+CUTE\b" - return INLINE(t, "while 1") - -def t_def(t): - r"SO[ ]+IM[ ]+LIKE\b" - return RESERVED(t, "def") - -def t_class(t): - r"ME[ ]+MAKE[ ]\b" - return RESERVED(t, "class") - -def t_future(t): - r"I[ ]+FUTURE[ ]+CAT[ ]+WITH\b" - t.type = "FUTURE" - return t - -def t_assert(t): - r"SO[ ]+GOOD\b" - return RESERVED(t, "assert") - -def t_assert_not(t): - r"AINT[ ]+GOOD\b" - return INLINE(t, "assert not ") - -def t_for(t): - r"GIMME[ ]+EACH\b" - return RESERVED(t, "for") - -def t_list(t): - r"ALL[ ]+OF\b" - return AUTOCALL(t, "tuple") - -RESERVED_VALUES = { - "EASTERBUNNY": ("NUMBER", "0"), - "CHEEZBURGER": ("NUMBER", "1"), - "CHOKOLET": ("NUMBER", "-1"), - "TWIN": ("NUMBER", "2"), - "TWINZ": ("NUMBER", "2"), - "TWINS": ("NUMBER", "2"), - "EVILTWIN": ("NUMBER", "-2"), - "EVILTWINZ": ("NUMBER", "-2"), - "EVILTWINS": ("NUMBER", "-2"), - "ALLFINGERZ": ("NUMBER", "10"), - "TOEZ": ("NUMBER", "-10"), - "ONE": ("NUMBER", "1"), - "ONCE": ("NUMBER", "1"), - "TWO": ("NUMBER", "2"), - "TWICE": ("NUMBER", "2"), - "THR33": ("NUMBER", "3"), - "FOUR": ("NUMBER", "4"), - "FIV": ("NUMBER", "5"), - "SIKS": ("NUMBER", "6"), - "SEVN": ("NUMBER", "7"), - "ATE": ("NUMBER", "8"), - "NINE": ("NUMBER", "9"), - "MEH": ("NAME", "False"), - "YEAH": ("NAME", "True"), - "VISIBLE": ("PRINT", "stdout"), - "COMPLAIN": ("PRINT", "stderr"), - "AND": ("OP", ","), - "BLACKHOLE": ("RESERVED", "ZeroDivisionError"), - "DONOTLIKE": ("AUTOCALL", "AssertionError"), - - "ANTI": ("OP", "-"), - "IZ": ("RESERVED", "if"), - "GIMME": ("RESERVED", "import"), - "LIKE": ("RESERVED", "as"), - "OWN": ("OP", "."), - - "PLZ": ("RESERVED", "try"), - "HALP": ("RESERVED", "raise"), - "WHATEVER": ("RESERVED", "finally"), - "KTHX": ("RESERVED", "continue"), - "KTHXBYE": ("RESERVED", "break"), - - "OVER": ("OP", "/"), - - "AINT": ("RESERVED", "not"), - "ME": ("RESERVED", "self"), - - "STRING": ("AUTOCALL", "str"), - "NUMBR": ("AUTOCALL", "int"), - "BIGNESS": ("AUTOCALL", "len"), - "NUMBRZ": ("AUTOCALL", "range"), - "ADDED": ("AUTOCALL", ".append"), - - "ARGZ": ("INLINE", "_lol_sys.argv"), - "THINGZ": ("INLINE", "()"), # invisible tuple didn't sound right - "THING": ("INLINE", "()"), # sometimes it's better in singular form - "MY": ("INLINE", "self."), - "MYSELF": ("INLINE", "(self)"), - - "EVEN": ("INLINE", "% 2 == 0"), - "ODD": ("INLINE", "% 2 == 1"), - "WIF": ("RESERVED", "with"), - } - -def t_FLOAT(t): - r"""(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][-+]? \d+)?""" - t.value = t.value - t.type = "NUMBER" - return t - -def t_INT(t): - r"\d+" - t.type = "NUMBER" - return t - -def t_INVISIBLE(t): - r"INVISIBLE([ ]+(LIST|STRING|BUCKET))?\b" - if "LIST" in t.value: - t.type = "INLINE" - t.value = "[]" - elif "STRING" in t.value: - t.type = "INLINE" - t.value = '""' - elif "BUCKET" in t.value: - t.type = "INLINE" - t.value = "{}" - else: - RESERVED(t, "None") - return t - -# Not consuming the newline. Needed for "IZ EASTERBUNNY? BTW comment" -def t_COMMENT(t): - r"[ ]*(?:BTW|WTF)[^\n]*" - return t - -def t_NAME(t): - r'[a-zA-Z_][a-zA-Z0-9_]*' - if t.value in RESERVED_VALUES: - type, value = RESERVED_VALUES[t.value] - t.type = type - t.value = value - if t.type == "AUTOCALL": - t.lexer.paren_stack.append(")") - return t - -def t_WS(t): - r' [ ]+ ' - if t.lexer.at_line_start and not t.lexer.paren_stack: - return t - - -# Don't generate newline tokens when inside of parens -def t_newline(t): - r'\n+' - t.lexer.lineno += len(t.value) - t.type = "NEWLINE" - if not t.lexer.paren_stack: - return t - - -def t_error(t): - raise SyntaxError("Unknown symbol %r" % (t.value[0],)) - print "Skipping", repr(t.value[0]) - t.lexer.skip(1) - - -## I implemented INDENT / DEDENT generation as a post-processing filter - -# The original lex token stream contains WS and NEWLINE characters. -# WS will only occur before any other tokens on a line. - -# I have three filters. One tags tokens by adding two attributes. -# "must_indent" is True if the token must be indented from the -# previous code. The other is "at_line_start" which is True for WS -# and the first non-WS/non-NEWLINE on a line. It flags the check so -# see if the new line has changed indication level. - -# Python's syntax has three INDENT states -# 0) no colon hence no need to indent -# 1) "if 1: go()" - simple statements have a COLON but no need for an indent -# 2) "if 1:\n go()" - complex statements have a COLON NEWLINE and must indent -NO_INDENT = 0 -MAY_INDENT = 1 -MUST_INDENT = 2 - -# only care about whitespace at the start of a line -def track_tokens_filter(lexer, tokens): - lexer.at_line_start = at_line_start = True - indent = NO_INDENT - for token in tokens: - token.at_line_start = at_line_start - - if token.type == "COLON": - at_line_start = False - indent = MAY_INDENT - token.must_indent = False - - elif token.type == "NEWLINE": - at_line_start = True - if indent == MAY_INDENT: - indent = MUST_INDENT - token.must_indent = False - - elif token.type == "WS": - assert token.at_line_start == True - at_line_start = True - token.must_indent = False - - elif token.type == "COMMENT": - pass - - else: - # A real token; only indent after COLON NEWLINE - if indent == MUST_INDENT: - token.must_indent = True - else: - token.must_indent = False - at_line_start = False - - indent = NO_INDENT - - yield token - lexer.at_line_start = at_line_start - -def _new_token(type, lineno): - tok = lex.LexToken() - tok.type = type - tok.value = None - tok.lineno = lineno - tok.lexpos = -1 - return tok - -# Synthesize a DEDENT tag -def DEDENT(lineno): - return _new_token("DEDENT", lineno) - -# Synthesize an INDENT tag -def INDENT(lineno): - return _new_token("INDENT", lineno) - - -# Track the indentation level and emit the right INDENT / DEDENT events. -def indentation_filter(tokens): - # A stack of indentation levels; will never pop item 0 - levels = [0] - token = None - depth = 0 - prev_was_ws = False - for token in tokens: -## if 1: -## print "Process", token, -## if token.at_line_start: -## print "at_line_start", -## if token.must_indent: -## print "must_indent", -## print - - # WS only occurs at the start of the line - # There may be WS followed by NEWLINE so - # only track the depth here. Don't indent/dedent - # until there's something real. - if token.type == "WS": - assert depth == 0 - depth = len(token.value) - prev_was_ws = True - # Don't forward WS to the parser - continue - - if token.type == "NEWLINE": - depth = 0 - if prev_was_ws or token.at_line_start: - # ignore blank lines - continue - # pass the other cases on through - yield token - continue - - if token.type == "COMMENT": - yield token - continue - - # then it must be a real token (not WS, not NEWLINE) - # which can affect the indentation level - - prev_was_ws = False - if token.must_indent: - # The current depth must be larger than the previous level - if not (depth > levels[-1]): - raise IndentationError("expected an indented block") - - levels.append(depth) - yield INDENT(token.lineno) - - elif token.at_line_start: - # Must be on the same level or one of the previous levels - if depth == levels[-1]: - # At the same level - pass - elif depth > levels[-1]: - raise IndentationError("indentation increase but not in new block") - else: - # Back up; but only if it matches a previous level - try: - i = levels.index(depth) - except ValueError: - raise IndentationError("inconsistent indentation") - for _ in range(i+1, len(levels)): - yield DEDENT(token.lineno) - levels.pop() - - yield token - - ### Finished processing ### - - # Must dedent any remaining levels - if len(levels) > 1: - assert token is not None - for _ in range(1, len(levels)): - yield DEDENT(token.lineno) - - -# The top-level filter adds an ENDMARKER, if requested. -# Python's grammar uses it. -def token_filter(lexer, add_endmarker = True): - token = None - tokens = iter(lexer.token, None) - tokens = track_tokens_filter(lexer, tokens) - for token in indentation_filter(tokens): - yield token - - if add_endmarker: - lineno = 1 - if token is not None: - lineno = token.lineno - yield _new_token("ENDMARKER", lineno) - -class LOLLexer(object): - def __init__(self, debug=0, optimize=0, lextab='lextab', reflags=0): - self.lexer = lex.lex(debug=debug, optimize=optimize, - lextab=lextab, reflags=reflags) - self.token_stream = None - def input(self, s, add_endmarker=True): - self.lexer.paren_stack = [] - self.lexer.input(s) - self.token_stream = token_filter(self.lexer, add_endmarker) - def token(self): - try: - return self.token_stream.next() - except StopIteration: - return None - -# Helper class to generate logically correct indented Python code -class IndentWriter(object): - def __init__(self, outfile): - self.outfile = outfile - self.at_first_column = True - self.indent = 0 - def write(self, text): - if self.at_first_column: - self.outfile.write(" "*self.indent) - self.at_first_column = False - self.outfile.write(text) - -# Split things up because the from __future__ statements must -# go before any other code. -HEADER = """# LOLPython to Python converter version 1.0 -# Written by Andrew Dalke, who should have been working on better things. - -""" - -BODY = """ -# sys is used for COMPLAIN and ARGZ -import sys as _lol_sys - -""" - -def to_python(s): - L = LOLLexer() - L.input(s) - - header = StringIO() - header.write(HEADER) - header_output = IndentWriter(header) - - body = StringIO() - body.write(BODY) - body_output = IndentWriter(body) - - write = body_output.write - output = body_output - - for t in iter(L.token_stream): - if t.type == "NAME": - # Need to escape names which are Python variables Do that - # by appending an "_". But then I also need to make sure - # that "yield_" does not collide with "yield". And you - # thought you were being clever trying to use a Python - # variable. :) - name = t.value.rstrip("_") - if name in keyword.kwlist: - write(t.value + "_ ") - else: - write(t.value + " ") - - elif t.type in ("RESERVED", "OP", "NUMBER", "CLOSE"): - # While not pretty, I'll put a space after each - # term because it's the simplest solution. Otherwise - # I'll need to track the amount of whitespace between - # the tokens in the original text. - write(t.value+" ") - - # XXX escape names which are special in Python! - elif t.type == "STRING": - write(repr(t.value) + " ") - - elif t.type == "COMMENT": - # Not enough information to keep comments on the correct - # indentation level. This is good enough. Ugly though. - # Maybe I need to fix the tokenizer. - write("#"+ t.value[3:]+"\n") - output.at_first_column = True - - elif t.type == "COLON": - write(":") - - elif t.type == "INDENT": - output.indent += 1 - pass - elif t.type == "DEDENT": - output.indent -= 1 - pass - elif t.type == "NEWLINE": - write(t.value) - output.at_first_column = True - output = body_output - write = output.write - elif t.type == "PRINT": - if t.value == "stdout": - write("print ") - elif t.value == "stderr": - write("print >>_lol_sys.stderr, ") - else: - raise AssertionError(t.value) - elif t.type == "AUTOCALL": - write(t.value + "(") - elif t.type == "INLINE": - write(t.value) - elif t.type == "ENDMARKER": - write("\n# The end.\n") - elif t.type == "WS": - output.leading_ws = t.value - elif t.type == "FUTURE": - # Write to the header. This is a hack. Err, a hairball. - output = header_output - write = output.write - write("from __future__ import ") - - else: - raise AssertionError(t.type) - - return header.getvalue() + body.getvalue() - - -# API code for doing the translation and exec'ing the result - -def execfile(infile, module_name="__lolmain__"): - "file, module_name -- exec the lolpython file in a newly created module" - if not hasattr(infile, "read"): - s = open(infile).read() - else: - s = infile.read() - return execstring(s, module_name) - -def execstring(s, module_name="__lolmain__"): - "s, module_name -- exec the lolpython string in a newly created module" - python_s = to_python(s) - # Doing this bit of trickiness so I can have LOLPython code act - # like __main__. This fix is enough to fool unittest. - m = types.ModuleType(module_name) - sys.modules[module_name] = m - exec python_s in m.__dict__ - return m - -def convert_file(infile, outfile): - "read LOLPython code from infile, write converted Python code to outfile" - if not hasattr(outfile, "write"): - outfile = open(outfile, "w") - outfile.write(to_python(infile.read())) - -def convert(filenames): - "convert LOLPython filenames into corresponding Python '.py' files" - if not filenames: - convert_file(sys.stdin, sys.stdout) - else: - for filename in filenames: - base, ext = os.path.splitext(filename) - convert_file(open(filename), open(base+".py", "w")) - -def help(): - print """convert and run a lolpython program -Commands are: - lolpython Read a lolpython program from stdin and execute it - lolpython --convert Convert a lolpython program from stdin - and generate python to stdout - lolpython --convert filename1 [filename....] - Convert a list of lolpython files into Python files - lolpython filename [arg1 [arg2 ...]] - Run a lolpython program using optional arguments -""" - -def main(argv): - if len(argv) >= 2: - if argv[1] == "--convert": - convert(argv[2:]) - return - if argv[1] == "--help": - help() - return - if argv[1] == "--version": - print __NAME__ + " " + __VERSION__ - return - - # otherwise, run the lolpython program - sys.argv = sys.argv[1:] - filename = sys.argv[0] - execfile(filename, "__main__") - else: - # commands from stdin - execfile(sys.stdin) - - - -if __name__ == "__main__": - main(sys.argv) diff --git a/chall/notes b/chall/notes deleted file mode 100644 index c6410c5..0000000 --- a/chall/notes +++ /dev/null @@ -1,41 +0,0 @@ -Setup a quick docker container with python2 and ply installed to test.. - -Check out the source code.. - -First thing we want to find is how the tokens are turned -into python, since we ideally just want to write python. - -We find that tokens of type INLINE are directly injected. - -Looking at INLINE tokens we find some which are useful -for calling functions: - - "ARGZ": ("INLINE", "_lol_sys.argv"), - "THINGZ": ("INLINE", "()"), # invisible tuple didn't sound right - "THING": ("INLINE", "()"), # sometimes it's better in singular form - "MY": ("INLINE", "self."), - "MYSELF": ("INLINE", "(self)"), - -Looks like the sys module was imported as _lol_sys. -The other tokens allow us to call functions. - -Varibles are injected directly too.. this allows us to call -builtins by specifying the builtin name, followed by THING. - -Since we just want to run python code directly we'd -like to call `eval` with a string. Strings are -injected directly after some escape character checks. - -In the inline tokens we saw there is one that allows -us to pass an argument.. MYSELF. For that we need -to define self.. Lets do that as a simple variable -instead of the normal definition of self. - -We find we can define self using CAN HAS.. -We can print the result of the eval using VISIBLE.. - -Thus our payload becomes: - - self CAN HAS '' - VISIBLE eval MYSELF - diff --git a/chall/ply-2.2.tar.gz b/chall/ply-2.2.tar.gz new file mode 100644 index 0000000..7db65d9 Binary files /dev/null and b/chall/ply-2.2.tar.gz differ diff --git a/chall/ply-2.2/ANNOUNCE b/chall/ply-2.2/ANNOUNCE deleted file mode 100644 index ba96215..0000000 --- a/chall/ply-2.2/ANNOUNCE +++ /dev/null @@ -1,48 +0,0 @@ -November 1, 2006 - - Announcing : PLY-2.2 (Python Lex-Yacc) - - http://www.dabeaz.com/ply - -I'm pleased to announce a significant new update to PLY---a 100% Python -implementation of the common parsing tools lex and yacc. PLY-2.2 is -a minor update that fixes a few bugs and adds some new capabilities. - -If you are new to PLY, here are a few highlights: - -- PLY is closely modeled after traditional lex/yacc. If you know how - to use these or similar tools in other languages, you will find - PLY to be comparable. - -- PLY provides very extensive error reporting and diagnostic - information to assist in parser construction. The original - implementation was developed for instructional purposes. As - a result, the system tries to identify the most common types - of errors made by novice users. - -- PLY provides full support for empty productions, error recovery, - precedence rules, and ambiguous grammars. - -- Parsing is based on LR-parsing which is fast, memory efficient, - better suited to large grammars, and which has a number of nice - properties when dealing with syntax errors and other parsing - problems. Currently, PLY can build its parsing tables using - either SLR or LALR(1) algorithms. - -- PLY can be used to build parsers for large programming languages. - Although it is not ultra-fast due to its Python implementation, - PLY can be used to parse grammars consisting of several hundred - rules (as might be found for a language like C). The lexer and LR - parser are also reasonably efficient when parsing normal - sized programs. - -More information about PLY can be obtained on the PLY webpage at: - - http://www.dabeaz.com/ply - -PLY is freely available and is licensed under the terms of the Lesser -GNU Public License (LGPL). - -Cheers, - -David Beazley (http://www.dabeaz.com) \ No newline at end of file diff --git a/chall/ply-2.2/CHANGES b/chall/ply-2.2/CHANGES deleted file mode 100644 index bd0894d..0000000 --- a/chall/ply-2.2/CHANGES +++ /dev/null @@ -1,680 +0,0 @@ -Version 2.2 ------------------------------- -11/01/06: beazley - Added lexpos() and lexspan() methods to grammar symbols. These - mirror the same functionality of lineno() and linespan(). For - example: - - def p_expr(p): - 'expr : expr PLUS expr' - p.lexpos(1) # Lexing position of left-hand-expression - p.lexpos(1) # Lexing position of PLUS - start,end = p.lexspan(3) # Lexing range of right hand expression - -11/01/06: beazley - Minor change to error handling. The recommended way to skip characters - in the input is to use t.lexer.skip() as shown here: - - def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - - The old approach of just using t.skip(1) will still work, but won't - be documented. - -10/31/06: beazley - Discarded tokens can now be specified as simple strings instead of - functions. To do this, simply include the text "ignore_" in the - token declaration. For example: - - t_ignore_cppcomment = r'//.*' - - Previously, this had to be done with a function. For example: - - def t_ignore_cppcomment(t): - r'//.*' - pass - - If start conditions/states are being used, state names should appear - before the "ignore_" text. - -10/19/06: beazley - The Lex module now provides support for flex-style start conditions - as described at http://www.gnu.org/software/flex/manual/html_chapter/flex_11.html. - Please refer to this document to understand this change note. Refer to - the PLY documentation for PLY-specific explanation of how this works. - - To use start conditions, you first need to declare a set of states in - your lexer file: - - states = ( - ('foo','exclusive'), - ('bar','inclusive') - ) - - This serves the same role as the %s and %x specifiers in flex. - - One a state has been declared, tokens for that state can be - declared by defining rules of the form t_state_TOK. For example: - - t_PLUS = '\+' # Rule defined in INITIAL state - t_foo_NUM = '\d+' # Rule defined in foo state - t_bar_NUM = '\d+' # Rule defined in bar state - - t_foo_bar_NUM = '\d+' # Rule defined in both foo and bar - t_ANY_NUM = '\d+' # Rule defined in all states - - In addition to defining tokens for each state, the t_ignore and t_error - specifications can be customized for specific states. For example: - - t_foo_ignore = " " # Ignored characters for foo state - def t_bar_error(t): - # Handle errors in bar state - - With token rules, the following methods can be used to change states - - def t_TOKNAME(t): - t.lexer.begin('foo') # Begin state 'foo' - t.lexer.push_state('foo') # Begin state 'foo', push old state - # onto a stack - t.lexer.pop_state() # Restore previous state - t.lexer.current_state() # Returns name of current state - - These methods mirror the BEGIN(), yy_push_state(), yy_pop_state(), and - yy_top_state() functions in flex. - - The use of start states can be used as one way to write sub-lexers. - For example, the lexer or parser might instruct the lexer to start - generating a different set of tokens depending on the context. - - example/yply/ylex.py shows the use of start states to grab C/C++ - code fragments out of traditional yacc specification files. - - *** NEW FEATURE *** Suggested by Daniel Larraz with whom I also - discussed various aspects of the design. - -10/19/06: beazley - Minor change to the way in which yacc.py was reporting shift/reduce - conflicts. Although the underlying LALR(1) algorithm was correct, - PLY was under-reporting the number of conflicts compared to yacc/bison - when precedence rules were in effect. This change should make PLY - report the same number of conflicts as yacc. - -10/19/06: beazley - Modified yacc so that grammar rules could also include the '-' - character. For example: - - def p_expr_list(p): - 'expression-list : expression-list expression' - - Suggested by Oldrich Jedlicka. - -10/18/06: beazley - Attribute lexer.lexmatch added so that token rules can access the re - match object that was generated. For example: - - def t_FOO(t): - r'some regex' - m = t.lexer.lexmatch - # Do something with m - - - This may be useful if you want to access named groups specified within - the regex for a specific token. Suggested by Oldrich Jedlicka. - -10/16/06: beazley - Changed the error message that results if an illegal character - is encountered and no default error function is defined in lex. - The exception is now more informative about the actual cause of - the error. - -Version 2.1 ------------------------------- -10/02/06: beazley - The last Lexer object built by lex() can be found in lex.lexer. - The last Parser object built by yacc() can be found in yacc.parser. - -10/02/06: beazley - New example added: examples/yply - - This example uses PLY to convert Unix-yacc specification files to - PLY programs with the same grammar. This may be useful if you - want to convert a grammar from bison/yacc to use with PLY. - -10/02/06: beazley - Added support for a start symbol to be specified in the yacc - input file itself. Just do this: - - start = 'name' - - where 'name' matches some grammar rule. For example: - - def p_name(p): - 'name : A B C' - ... - - This mirrors the functionality of the yacc %start specifier. - -09/30/06: beazley - Some new examples added.: - - examples/GardenSnake : A simple indentation based language similar - to Python. Shows how you might handle - whitespace. Contributed by Andrew Dalke. - - examples/BASIC : An implementation of 1964 Dartmouth BASIC. - Contributed by Dave against his better - judgement. - -09/28/06: beazley - Minor patch to allow named groups to be used in lex regular - expression rules. For example: - - t_QSTRING = r'''(?P['"]).*?(?P=quote)''' - - Patch submitted by Adam Ring. - -09/28/06: beazley - LALR(1) is now the default parsing method. To use SLR, use - yacc.yacc(method="SLR"). Note: there is no performance impact - on parsing when using LALR(1) instead of SLR. However, constructing - the parsing tables will take a little longer. - -09/26/06: beazley - Change to line number tracking. To modify line numbers, modify - the line number of the lexer itself. For example: - - def t_NEWLINE(t): - r'\n' - t.lexer.lineno += 1 - - This modification is both cleanup and a performance optimization. - In past versions, lex was monitoring every token for changes in - the line number. This extra processing is unnecessary for a vast - majority of tokens. Thus, this new approach cleans it up a bit. - - *** POTENTIAL INCOMPATIBILITY *** - You will need to change code in your lexer that updates the line - number. For example, "t.lineno += 1" becomes "t.lexer.lineno += 1" - -09/26/06: beazley - Added the lexing position to tokens as an attribute lexpos. This - is the raw index into the input text at which a token appears. - This information can be used to compute column numbers and other - details (e.g., scan backwards from lexpos to the first newline - to get a column position). - -09/25/06: beazley - Changed the name of the __copy__() method on the Lexer class - to clone(). This is used to clone a Lexer object (e.g., if - you're running different lexers at the same time). - -09/21/06: beazley - Limitations related to the use of the re module have been eliminated. - Several users reported problems with regular expressions exceeding - more than 100 named groups. To solve this, lex.py is now capable - of automatically splitting its master regular regular expression into - smaller expressions as needed. This should, in theory, make it - possible to specify an arbitrarily large number of tokens. - -09/21/06: beazley - Improved error checking in lex.py. Rules that match the empty string - are now rejected (otherwise they cause the lexer to enter an infinite - loop). An extra check for rules containing '#' has also been added. - Since lex compiles regular expressions in verbose mode, '#' is interpreted - as a regex comment, it is critical to use '\#' instead. - -09/18/06: beazley - Added a @TOKEN decorator function to lex.py that can be used to - define token rules where the documentation string might be computed - in some way. - - digit = r'([0-9])' - nondigit = r'([_A-Za-z])' - identifier = r'(' + nondigit + r'(' + digit + r'|' + nondigit + r')*)' - - from ply.lex import TOKEN - - @TOKEN(identifier) - def t_ID(t): - # Do whatever - - The @TOKEN decorator merely sets the documentation string of the - associated token function as needed for lex to work. - - Note: An alternative solution is the following: - - def t_ID(t): - # Do whatever - - t_ID.__doc__ = identifier - - Note: Decorators require the use of Python 2.4 or later. If compatibility - with old versions is needed, use the latter solution. - - The need for this feature was suggested by Cem Karan. - -09/14/06: beazley - Support for single-character literal tokens has been added to yacc. - These literals must be enclosed in quotes. For example: - - def p_expr(p): - "expr : expr '+' expr" - ... - - def p_expr(p): - 'expr : expr "-" expr' - ... - - In addition to this, it is necessary to tell the lexer module about - literal characters. This is done by defining the variable 'literals' - as a list of characters. This should be defined in the module that - invokes the lex.lex() function. For example: - - literals = ['+','-','*','/','(',')','='] - - or simply - - literals = '+=*/()=' - - It is important to note that literals can only be a single character. - When the lexer fails to match a token using its normal regular expression - rules, it will check the current character against the literal list. - If found, it will be returned with a token type set to match the literal - character. Otherwise, an illegal character will be signalled. - - -09/14/06: beazley - Modified PLY to install itself as a proper Python package called 'ply'. - This will make it a little more friendly to other modules. This - changes the usage of PLY only slightly. Just do this to import the - modules - - import ply.lex as lex - import ply.yacc as yacc - - Alternatively, you can do this: - - from ply import * - - Which imports both the lex and yacc modules. - Change suggested by Lee June. - -09/13/06: beazley - Changed the handling of negative indices when used in production rules. - A negative production index now accesses already parsed symbols on the - parsing stack. For example, - - def p_foo(p): - "foo: A B C D" - print p[1] # Value of 'A' symbol - print p[2] # Value of 'B' symbol - print p[-1] # Value of whatever symbol appears before A - # on the parsing stack. - - p[0] = some_val # Sets the value of the 'foo' grammer symbol - - This behavior makes it easier to work with embedded actions within the - parsing rules. For example, in C-yacc, it is possible to write code like - this: - - bar: A { printf("seen an A = %d\n", $1); } B { do_stuff; } - - In this example, the printf() code executes immediately after A has been - parsed. Within the embedded action code, $1 refers to the A symbol on - the stack. - - To perform this equivalent action in PLY, you need to write a pair - of rules like this: - - def p_bar(p): - "bar : A seen_A B" - do_stuff - - def p_seen_A(p): - "seen_A :" - print "seen an A =", p[-1] - - The second rule "seen_A" is merely a empty production which should be - reduced as soon as A is parsed in the "bar" rule above. The use - of the negative index p[-1] is used to access whatever symbol appeared - before the seen_A symbol. - - This feature also makes it possible to support inherited attributes. - For example: - - def p_decl(p): - "decl : scope name" - - def p_scope(p): - """scope : GLOBAL - | LOCAL""" - p[0] = p[1] - - def p_name(p): - "name : ID" - if p[-1] == "GLOBAL": - # ... - else if p[-1] == "LOCAL": - #... - - In this case, the name rule is inheriting an attribute from the - scope declaration that precedes it. - - *** POTENTIAL INCOMPATIBILITY *** - If you are currently using negative indices within existing grammar rules, - your code will break. This should be extremely rare if non-existent in - most cases. The argument to various grammar rules is not usually not - processed in the same way as a list of items. - -Version 2.0 ------------------------------- -09/07/06: beazley - Major cleanup and refactoring of the LR table generation code. Both SLR - and LALR(1) table generation is now performed by the same code base with - only minor extensions for extra LALR(1) processing. - -09/07/06: beazley - Completely reimplemented the entire LALR(1) parsing engine to use the - DeRemer and Pennello algorithm for calculating lookahead sets. This - significantly improves the performance of generating LALR(1) tables - and has the added feature of actually working correctly! If you - experienced weird behavior with LALR(1) in prior releases, this should - hopefully resolve all of those problems. Many thanks to - Andrew Waters and Markus Schoepflin for submitting bug reports - and helping me test out the revised LALR(1) support. - -Version 1.8 ------------------------------- -08/02/06: beazley - Fixed a problem related to the handling of default actions in LALR(1) - parsing. If you experienced subtle and/or bizarre behavior when trying - to use the LALR(1) engine, this may correct those problems. Patch - contributed by Russ Cox. Note: This patch has been superceded by - revisions for LALR(1) parsing in Ply-2.0. - -08/02/06: beazley - Added support for slicing of productions in yacc. - Patch contributed by Patrick Mezard. - -Version 1.7 ------------------------------- -03/02/06: beazley - Fixed infinite recursion problem ReduceToTerminals() function that - would sometimes come up in LALR(1) table generation. Reported by - Markus Schoepflin. - -03/01/06: beazley - Added "reflags" argument to lex(). For example: - - lex.lex(reflags=re.UNICODE) - - This can be used to specify optional flags to the re.compile() function - used inside the lexer. This may be necessary for special situations such - as processing Unicode (e.g., if you want escapes like \w and \b to consult - the Unicode character property database). The need for this suggested by - Andreas Jung. - -03/01/06: beazley - Fixed a bug with an uninitialized variable on repeated instantiations of parser - objects when the write_tables=0 argument was used. Reported by Michael Brown. - -03/01/06: beazley - Modified lex.py to accept Unicode strings both as the regular expressions for - tokens and as input. Hopefully this is the only change needed for Unicode support. - Patch contributed by Johan Dahl. - -03/01/06: beazley - Modified the class-based interface to work with new-style or old-style classes. - Patch contributed by Michael Brown (although I tweaked it slightly so it would work - with older versions of Python). - -Version 1.6 ------------------------------- -05/27/05: beazley - Incorporated patch contributed by Christopher Stawarz to fix an extremely - devious bug in LALR(1) parser generation. This patch should fix problems - numerous people reported with LALR parsing. - -05/27/05: beazley - Fixed problem with lex.py copy constructor. Reported by Dave Aitel, Aaron Lav, - and Thad Austin. - -05/27/05: beazley - Added outputdir option to yacc() to control output directory. Contributed - by Christopher Stawarz. - -05/27/05: beazley - Added rununit.py test script to run tests using the Python unittest module. - Contributed by Miki Tebeka. - -Version 1.5 ------------------------------- -05/26/04: beazley - Major enhancement. LALR(1) parsing support is now working. - This feature was implemented by Elias Ioup (ezioup@alumni.uchicago.edu) - and optimized by David Beazley. To use LALR(1) parsing do - the following: - - yacc.yacc(method="LALR") - - Computing LALR(1) parsing tables takes about twice as long as - the default SLR method. However, LALR(1) allows you to handle - more complex grammars. For example, the ANSI C grammar - (in example/ansic) has 13 shift-reduce conflicts with SLR, but - only has 1 shift-reduce conflict with LALR(1). - -05/20/04: beazley - Added a __len__ method to parser production lists. Can - be used in parser rules like this: - - def p_somerule(p): - """a : B C D - | E F" - if (len(p) == 3): - # Must have been first rule - elif (len(p) == 2): - # Must be second rule - - Suggested by Joshua Gerth and others. - -Version 1.4 ------------------------------- -04/23/04: beazley - Incorporated a variety of patches contributed by Eric Raymond. - These include: - - 0. Cleans up some comments so they don't wrap on an 80-column display. - 1. Directs compiler errors to stderr where they belong. - 2. Implements and documents automatic line counting when \n is ignored. - 3. Changes the way progress messages are dumped when debugging is on. - The new format is both less verbose and conveys more information than - the old, including shift and reduce actions. - -04/23/04: beazley - Added a Python setup.py file to simply installation. Contributed - by Adam Kerrison. - -04/23/04: beazley - Added patches contributed by Adam Kerrison. - - - Some output is now only shown when debugging is enabled. This - means that PLY will be completely silent when not in debugging mode. - - - An optional parameter "write_tables" can be passed to yacc() to - control whether or not parsing tables are written. By default, - it is true, but it can be turned off if you don't want the yacc - table file. Note: disabling this will cause yacc() to regenerate - the parsing table each time. - -04/23/04: beazley - Added patches contributed by David McNab. This patch addes two - features: - - - The parser can be supplied as a class instead of a module. - For an example of this, see the example/classcalc directory. - - - Debugging output can be directed to a filename of the user's - choice. Use - - yacc(debugfile="somefile.out") - - -Version 1.3 ------------------------------- -12/10/02: jmdyck - Various minor adjustments to the code that Dave checked in today. - Updated test/yacc_{inf,unused}.exp to reflect today's changes. - -12/10/02: beazley - Incorporated a variety of minor bug fixes to empty production - handling and infinite recursion checking. Contributed by - Michael Dyck. - -12/10/02: beazley - Removed bogus recover() method call in yacc.restart() - -Version 1.2 ------------------------------- -11/27/02: beazley - Lexer and parser objects are now available as an attribute - of tokens and slices respectively. For example: - - def t_NUMBER(t): - r'\d+' - print t.lexer - - def p_expr_plus(t): - 'expr: expr PLUS expr' - print t.lexer - print t.parser - - This can be used for state management (if needed). - -10/31/02: beazley - Modified yacc.py to work with Python optimize mode. To make - this work, you need to use - - yacc.yacc(optimize=1) - - Furthermore, you need to first run Python in normal mode - to generate the necessary parsetab.py files. After that, - you can use python -O or python -OO. - - Note: optimized mode turns off a lot of error checking. - Only use when you are sure that your grammar is working. - Make sure parsetab.py is up to date! - -10/30/02: beazley - Added cloning of Lexer objects. For example: - - import copy - l = lex.lex() - lc = copy.copy(l) - - l.input("Some text") - lc.input("Some other text") - ... - - This might be useful if the same "lexer" is meant to - be used in different contexts---or if multiple lexers - are running concurrently. - -10/30/02: beazley - Fixed subtle bug with first set computation and empty productions. - Patch submitted by Michael Dyck. - -10/30/02: beazley - Fixed error messages to use "filename:line: message" instead - of "filename:line. message". This makes error reporting more - friendly to emacs. Patch submitted by François Pinard. - -10/30/02: beazley - Improvements to parser.out file. Terminals and nonterminals - are sorted instead of being printed in random order. - Patch submitted by François Pinard. - -10/30/02: beazley - Improvements to parser.out file output. Rules are now printed - in a way that's easier to understand. Contributed by Russ Cox. - -10/30/02: beazley - Added 'nonassoc' associativity support. This can be used - to disable the chaining of operators like a < b < c. - To use, simply specify 'nonassoc' in the precedence table - - precedence = ( - ('nonassoc', 'LESSTHAN', 'GREATERTHAN'), # Nonassociative operators - ('left', 'PLUS', 'MINUS'), - ('left', 'TIMES', 'DIVIDE'), - ('right', 'UMINUS'), # Unary minus operator - ) - - Patch contributed by Russ Cox. - -10/30/02: beazley - Modified the lexer to provide optional support for Python -O and -OO - modes. To make this work, Python *first* needs to be run in - unoptimized mode. This reads the lexing information and creates a - file "lextab.py". Then, run lex like this: - - # module foo.py - ... - ... - lex.lex(optimize=1) - - Once the lextab file has been created, subsequent calls to - lex.lex() will read data from the lextab file instead of using - introspection. In optimized mode (-O, -OO) everything should - work normally despite the loss of doc strings. - - To change the name of the file 'lextab.py' use the following: - - lex.lex(lextab="footab") - - (this creates a file footab.py) - - -Version 1.1 October 25, 2001 ------------------------------- - -10/25/01: beazley - Modified the table generator to produce much more compact data. - This should greatly reduce the size of the parsetab.py[c] file. - Caveat: the tables still need to be constructed so a little more - work is done in parsetab on import. - -10/25/01: beazley - There may be a possible bug in the cycle detector that reports errors - about infinite recursion. I'm having a little trouble tracking it - down, but if you get this problem, you can disable the cycle - detector as follows: - - yacc.yacc(check_recursion = 0) - -10/25/01: beazley - Fixed a bug in lex.py that sometimes caused illegal characters to be - reported incorrectly. Reported by Sverre Jørgensen. - -7/8/01 : beazley - Added a reference to the underlying lexer object when tokens are handled by - functions. The lexer is available as the 'lexer' attribute. This - was added to provide better lexing support for languages such as Fortran - where certain types of tokens can't be conveniently expressed as regular - expressions (and where the tokenizing function may want to perform a - little backtracking). Suggested by Pearu Peterson. - -6/20/01 : beazley - Modified yacc() function so that an optional starting symbol can be specified. - For example: - - yacc.yacc(start="statement") - - Normally yacc always treats the first production rule as the starting symbol. - However, if you are debugging your grammar it may be useful to specify - an alternative starting symbol. Idea suggested by Rich Salz. - -Version 1.0 June 18, 2001 --------------------------- -Initial public offering - diff --git a/chall/ply-2.2/COPYING b/chall/ply-2.2/COPYING deleted file mode 100644 index b1e3f5a..0000000 --- a/chall/ply-2.2/COPYING +++ /dev/null @@ -1,504 +0,0 @@ - GNU LESSER GENERAL PUBLIC LICENSE - Version 2.1, February 1999 - - Copyright (C) 1991, 1999 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - -[This is the first released version of the Lesser GPL. It also counts - as the successor of the GNU Library Public License, version 2, hence - the version number 2.1.] - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -Also add information on how to contact you by electronic and paper mail. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the library, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the - library `Frob' (a library for tweaking knobs) written by James Random Hacker. - - , 1 April 1990 - Ty Coon, President of Vice - -That's all there is to it! - - diff --git a/chall/ply-2.2/README b/chall/ply-2.2/README deleted file mode 100644 index d91e26c..0000000 --- a/chall/ply-2.2/README +++ /dev/null @@ -1,277 +0,0 @@ -PLY (Python Lex-Yacc) Version 2.2 (November 1, 2006) - -David M. Beazley (dave@dabeaz.com) - -Copyright (C) 2001-2006 David M. Beazley - -This library is free software; you can redistribute it and/or -modify it under the terms of the GNU Lesser General Public -License as published by the Free Software Foundation; either -version 2.1 of the License, or (at your option) any later version. - -This library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public -License along with this library; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -See the file COPYING for a complete copy of the LGPL. - -Introduction -============ - -PLY is a 100% Python implementation of the common parsing tools lex -and yacc. Although several other parsing tools are available for -Python, there are several reasons why you might want to consider PLY: - - - The tools are very closely modeled after traditional lex/yacc. - If you know how to use these tools in C, you will find PLY - to be similar. - - - PLY provides *very* extensive error reporting and diagnostic - information to assist in parser construction. The original - implementation was developed for instructional purposes. As - a result, the system tries to identify the most common types - of errors made by novice users. - - - PLY provides full support for empty productions, error recovery, - precedence specifiers, and moderately ambiguous grammars. - - - Parsing is based on LR-parsing which is fast, memory efficient, - better suited to large grammars, and which has a number of nice - properties when dealing with syntax errors and other parsing problems. - Currently, PLY builds its parsing tables using the SLR algorithm which - is slightly weaker than LALR(1) used in traditional yacc. - - - PLY uses Python introspection features to build lexers and parsers. - This greatly simplifies the task of parser construction since it reduces - the number of files and eliminates the need to run a separate lex/yacc - tool before running your program. - - - PLY can be used to build parsers for "real" programming languages. - Although it is not ultra-fast due to its Python implementation, - PLY can be used to parse grammars consisting of several hundred - rules (as might be found for a language like C). The lexer and LR - parser are also reasonably efficient when parsing typically - sized programs. - -The original version of PLY was developed for an Introduction to -Compilers course where students used it to build a compiler for a -simple Pascal-like language. Their compiler had to include lexical -analysis, parsing, type checking, type inference, and generation of -assembly code for the SPARC processor. Because of this, the current -implementation has been extensively tested and debugged. In addition, -most of the API and error checking steps have been adapted to address -common usability problems. - -How to Use -========== - -PLY consists of two files : lex.py and yacc.py. These are contained -within the 'ply' directory which may also be used as a Python package. -To use PLY, simply copy the 'ply' directory to your project and import -lex and yacc from the associated 'ply' package. For example: - - import ply.lex as lex - import ply.yacc as yacc - -Alternatively, you can copy just the files lex.py and yacc.py -individually and use them as modules. For example: - - import lex - import yacc - -The file setup.py can be used to install ply using distutils. - -The file doc/ply.html contains complete documentation on how to use -the system. - -The example directory contains several different examples including a -PLY specification for ANSI C as given in K&R 2nd Ed. - -A simple example is found at the end of this document - -Requirements -============ -PLY requires the use of Python 2.0 or greater. It should work on -just about any platform. PLY has been tested with both CPython and -Jython. However, it does not work with IronPython. - -Resources -========= -More information about PLY can be obtained on the PLY webpage at: - - http://www.dabeaz.com/ply - -For a detailed overview of parsing theory, consult the excellent -book "Compilers : Principles, Techniques, and Tools" by Aho, Sethi, and -Ullman. The topics found in "Lex & Yacc" by Levine, Mason, and Brown -may also be useful. - -A Google group for PLY can be found at - - http://groups.google.com/group/ply-hack - -Acknowledgments -=============== -A special thanks is in order for all of the students in CS326 who -suffered through about 25 different versions of these tools :-). - -The CHANGES file acknowledges those who have contributed patches. - -Elias Ioup did the first implementation of LALR(1) parsing in PLY-1.x. -Andrew Waters and Markus Schoepflin were instrumental in reporting bugs -and testing a revised LALR(1) implementation for PLY-2.0. - -Special Note for PLY-2.x -======================== -PLY-2.0 is the first in a series of PLY releases that will be adding a -variety of significant new features. The first release in this series -(Ply-2.0) should be 100% compatible with all previous Ply-1.x releases -except for the fact that Ply-2.0 features a correct implementation of -LALR(1) table generation. - -If you have suggestions for improving PLY in future 2.x releases, please -contact me. - Dave - -Example -======= - -Here is a simple example showing a PLY implementation of a calculator -with variables. - -# ----------------------------------------------------------------------------- -# calc.py -# -# A simple calculator with variables. -# ----------------------------------------------------------------------------- - -tokens = ( - 'NAME','NUMBER', - 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', - 'LPAREN','RPAREN', - ) - -# Tokens - -t_PLUS = r'\+' -t_MINUS = r'-' -t_TIMES = r'\*' -t_DIVIDE = r'/' -t_EQUALS = r'=' -t_LPAREN = r'\(' -t_RPAREN = r'\)' -t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' - -def t_NUMBER(t): - r'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - return t - -# Ignored characters -t_ignore = " \t" - -def t_newline(t): - r'\n+' - t.lexer.lineno += t.value.count("\n") - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -import ply.lex as lex -lex.lex() - -# Precedence rules for the arithmetic operators -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names (for storing variables) -names = { } - -def p_statement_assign(p): - 'statement : NAME EQUALS expression' - names[p[1]] = p[3] - -def p_statement_expr(p): - 'statement : expression' - print p[1] - -def p_expression_binop(p): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if p[2] == '+' : p[0] = p[1] + p[3] - elif p[2] == '-': p[0] = p[1] - p[3] - elif p[2] == '*': p[0] = p[1] * p[3] - elif p[2] == '/': p[0] = p[1] / p[3] - -def p_expression_uminus(p): - 'expression : MINUS expression %prec UMINUS' - p[0] = -p[2] - -def p_expression_group(p): - 'expression : LPAREN expression RPAREN' - p[0] = p[2] - -def p_expression_number(p): - 'expression : NUMBER' - p[0] = p[1] - -def p_expression_name(p): - 'expression : NAME' - try: - p[0] = names[p[1]] - except LookupError: - print "Undefined name '%s'" % p[1] - p[0] = 0 - -def p_error(p): - print "Syntax error at '%s'" % p.value - -import ply.yacc as yacc -yacc.yacc() - -while 1: - try: - s = raw_input('calc > ') - except EOFError: - break - yacc.parse(s) - - -Bug Reports and Patches -======================= -Because of the extremely specialized and advanced nature of PLY, I -rarely spend much time working on it unless I receive very specific -bug-reports and/or patches to fix problems. I also try to incorporate -submitted feature requests and enhancements into each new version. To -contact me about bugs and/or new features, please send email to -dave@dabeaz.com. - -In addition there is a Google group for discussing PLY related issues at - - http://groups.google.com/group/ply-hack - --- Dave - - - - - - - - - diff --git a/chall/ply-2.2/TODO b/chall/ply-2.2/TODO deleted file mode 100644 index 7139d53..0000000 --- a/chall/ply-2.2/TODO +++ /dev/null @@ -1,14 +0,0 @@ -The PLY to-do list: - -1. More interesting parsing examples. - -2. Work on the ANSI C grammar so that it can actually parse C programs. To do this, - some extra code needs to be added to the lexer to deal with typedef names and enumeration - constants. - -3. More tests in the test directory. - -4. Performance improvements and cleanup in yacc.py. - -5. More documentation (?). - diff --git a/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/__init__.py b/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/__init__.py deleted file mode 100644 index 853a985..0000000 --- a/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/__init__.py +++ /dev/null @@ -1,4 +0,0 @@ -# PLY package -# Author: David Beazley (dave@dabeaz.com) - -__all__ = ['lex','yacc'] diff --git a/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/lex.py b/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/lex.py deleted file mode 100644 index c149366..0000000 --- a/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/lex.py +++ /dev/null @@ -1,866 +0,0 @@ -#----------------------------------------------------------------------------- -# ply: lex.py -# -# Author: David M. Beazley (dave@dabeaz.com) -# -# Copyright (C) 2001-2006, David M. Beazley -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# -# See the file COPYING for a complete copy of the LGPL. -#----------------------------------------------------------------------------- - -__version__ = "2.2" - -import re, sys, types - -# Regular expression used to match valid token names -_is_identifier = re.compile(r'^[a-zA-Z0-9_]+$') - -# Available instance types. This is used when lexers are defined by a class. -# It's a little funky because I want to preserve backwards compatibility -# with Python 2.0 where types.ObjectType is undefined. - -try: - _INSTANCETYPE = (types.InstanceType, types.ObjectType) -except AttributeError: - _INSTANCETYPE = types.InstanceType - class object: pass # Note: needed if no new-style classes present - -# Exception thrown when invalid token encountered and no default error -# handler is defined. -class LexError(Exception): - def __init__(self,message,s): - self.args = (message,) - self.text = s - -# Token class -class LexToken(object): - def __str__(self): - return "LexToken(%s,%r,%d,%d)" % (self.type,self.value,self.lineno,self.lexpos) - def __repr__(self): - return str(self) - def skip(self,n): - self.lexer.skip(n) - -# ----------------------------------------------------------------------------- -# Lexer class -# -# This class encapsulates all of the methods and data associated with a lexer. -# -# input() - Store a new string in the lexer -# token() - Get the next token -# ----------------------------------------------------------------------------- - -class Lexer: - def __init__(self): - self.lexre = None # Master regular expression. This is a list of - # tuples (re,findex) where re is a compiled - # regular expression and findex is a list - # mapping regex group numbers to rules - self.lexretext = None # Current regular expression strings - self.lexstatere = {} # Dictionary mapping lexer states to master regexs - self.lexstateretext = {} # Dictionary mapping lexer states to regex strings - self.lexstate = "INITIAL" # Current lexer state - self.lexstatestack = [] # Stack of lexer states - self.lexstateinfo = None # State information - self.lexstateignore = {} # Dictionary of ignored characters for each state - self.lexstateerrorf = {} # Dictionary of error functions for each state - self.lexreflags = 0 # Optional re compile flags - self.lexdata = None # Actual input data (as a string) - self.lexpos = 0 # Current position in input text - self.lexlen = 0 # Length of the input text - self.lexerrorf = None # Error rule (if any) - self.lextokens = None # List of valid tokens - self.lexignore = "" # Ignored characters - self.lexliterals = "" # Literal characters that can be passed through - self.lexmodule = None # Module - self.lineno = 1 # Current line number - self.lexdebug = 0 # Debugging mode - self.lexoptimize = 0 # Optimized mode - - def clone(self,object=None): - c = Lexer() - c.lexstatere = self.lexstatere - c.lexstateinfo = self.lexstateinfo - c.lexstateretext = self.lexstateretext - c.lexstate = self.lexstate - c.lexstatestack = self.lexstatestack - c.lexstateignore = self.lexstateignore - c.lexstateerrorf = self.lexstateerrorf - c.lexreflags = self.lexreflags - c.lexdata = self.lexdata - c.lexpos = self.lexpos - c.lexlen = self.lexlen - c.lextokens = self.lextokens - c.lexdebug = self.lexdebug - c.lineno = self.lineno - c.lexoptimize = self.lexoptimize - c.lexliterals = self.lexliterals - c.lexmodule = self.lexmodule - - # If the object parameter has been supplied, it means we are attaching the - # lexer to a new object. In this case, we have to rebind all methods in - # the lexstatere and lexstateerrorf tables. - - if object: - newtab = { } - for key, ritem in self.lexstatere.items(): - newre = [] - for cre, findex in ritem: - newfindex = [] - for f in findex: - if not f or not f[0]: - newfindex.append(f) - continue - newfindex.append((getattr(object,f[0].__name__),f[1])) - newre.append((cre,newfindex)) - newtab[key] = newre - c.lexstatere = newtab - c.lexstateerrorf = { } - for key, ef in self.lexstateerrorf.items(): - c.lexstateerrorf[key] = getattr(object,ef.__name__) - c.lexmodule = object - - # Set up other attributes - c.begin(c.lexstate) - return c - - # ------------------------------------------------------------ - # writetab() - Write lexer information to a table file - # ------------------------------------------------------------ - def writetab(self,tabfile): - tf = open(tabfile+".py","w") - tf.write("# %s.py. This file automatically created by PLY (version %s). Don't edit!\n" % (tabfile,__version__)) - tf.write("_lextokens = %s\n" % repr(self.lextokens)) - tf.write("_lexreflags = %s\n" % repr(self.lexreflags)) - tf.write("_lexliterals = %s\n" % repr(self.lexliterals)) - tf.write("_lexstateinfo = %s\n" % repr(self.lexstateinfo)) - - tabre = { } - for key, lre in self.lexstatere.items(): - titem = [] - for i in range(len(lre)): - titem.append((self.lexstateretext[key][i],_funcs_to_names(lre[i][1]))) - tabre[key] = titem - - tf.write("_lexstatere = %s\n" % repr(tabre)) - tf.write("_lexstateignore = %s\n" % repr(self.lexstateignore)) - - taberr = { } - for key, ef in self.lexstateerrorf.items(): - if ef: - taberr[key] = ef.__name__ - else: - taberr[key] = None - tf.write("_lexstateerrorf = %s\n" % repr(taberr)) - tf.close() - - # ------------------------------------------------------------ - # readtab() - Read lexer information from a tab file - # ------------------------------------------------------------ - def readtab(self,tabfile,fdict): - exec "import %s as lextab" % tabfile - self.lextokens = lextab._lextokens - self.lexreflags = lextab._lexreflags - self.lexliterals = lextab._lexliterals - self.lexstateinfo = lextab._lexstateinfo - self.lexstateignore = lextab._lexstateignore - self.lexstatere = { } - self.lexstateretext = { } - for key,lre in lextab._lexstatere.items(): - titem = [] - txtitem = [] - for i in range(len(lre)): - titem.append((re.compile(lre[i][0],lextab._lexreflags),_names_to_funcs(lre[i][1],fdict))) - txtitem.append(lre[i][0]) - self.lexstatere[key] = titem - self.lexstateretext[key] = txtitem - self.lexstateerrorf = { } - for key,ef in lextab._lexstateerrorf.items(): - self.lexstateerrorf[key] = fdict[ef] - self.begin('INITIAL') - - # ------------------------------------------------------------ - # input() - Push a new string into the lexer - # ------------------------------------------------------------ - def input(self,s): - if not (isinstance(s,types.StringType) or isinstance(s,types.UnicodeType)): - raise ValueError, "Expected a string" - self.lexdata = s - self.lexpos = 0 - self.lexlen = len(s) - - # ------------------------------------------------------------ - # begin() - Changes the lexing state - # ------------------------------------------------------------ - def begin(self,state): - if not self.lexstatere.has_key(state): - raise ValueError, "Undefined state" - self.lexre = self.lexstatere[state] - self.lexretext = self.lexstateretext[state] - self.lexignore = self.lexstateignore.get(state,"") - self.lexerrorf = self.lexstateerrorf.get(state,None) - self.lexstate = state - - # ------------------------------------------------------------ - # push_state() - Changes the lexing state and saves old on stack - # ------------------------------------------------------------ - def push_state(self,state): - self.lexstatestack.append(self.lexstate) - self.begin(state) - - # ------------------------------------------------------------ - # pop_state() - Restores the previous state - # ------------------------------------------------------------ - def pop_state(self): - self.begin(self.lexstatestack.pop()) - - # ------------------------------------------------------------ - # current_state() - Returns the current lexing state - # ------------------------------------------------------------ - def current_state(self): - return self.lexstate - - # ------------------------------------------------------------ - # skip() - Skip ahead n characters - # ------------------------------------------------------------ - def skip(self,n): - self.lexpos += n - - # ------------------------------------------------------------ - # token() - Return the next token from the Lexer - # - # Note: This function has been carefully implemented to be as fast - # as possible. Don't make changes unless you really know what - # you are doing - # ------------------------------------------------------------ - def token(self): - # Make local copies of frequently referenced attributes - lexpos = self.lexpos - lexlen = self.lexlen - lexignore = self.lexignore - lexdata = self.lexdata - - while lexpos < lexlen: - # This code provides some short-circuit code for whitespace, tabs, and other ignored characters - if lexdata[lexpos] in lexignore: - lexpos += 1 - continue - - # Look for a regular expression match - for lexre,lexindexfunc in self.lexre: - m = lexre.match(lexdata,lexpos) - if not m: continue - - # Set last match in lexer so that rules can access it if they want - self.lexmatch = m - - # Create a token for return - tok = LexToken() - tok.value = m.group() - tok.lineno = self.lineno - tok.lexpos = lexpos - tok.lexer = self - - lexpos = m.end() - i = m.lastindex - func,tok.type = lexindexfunc[i] - self.lexpos = lexpos - - if not func: - # If no token type was set, it's an ignored token - if tok.type: return tok - break - - # if func not callable, it means it's an ignored token - if not callable(func): - break - - # If token is processed by a function, call it - newtok = func(tok) - - # Every function must return a token, if nothing, we just move to next token - if not newtok: - lexpos = self.lexpos # This is here in case user has updated lexpos. - break - - # Verify type of the token. If not in the token map, raise an error - if not self.lexoptimize: - if not self.lextokens.has_key(newtok.type): - raise LexError, ("%s:%d: Rule '%s' returned an unknown token type '%s'" % ( - func.func_code.co_filename, func.func_code.co_firstlineno, - func.__name__, newtok.type),lexdata[lexpos:]) - - return newtok - else: - # No match, see if in literals - if lexdata[lexpos] in self.lexliterals: - tok = LexToken() - tok.value = lexdata[lexpos] - tok.lineno = self.lineno - tok.lexer = self - tok.type = tok.value - tok.lexpos = lexpos - self.lexpos = lexpos + 1 - return tok - - # No match. Call t_error() if defined. - if self.lexerrorf: - tok = LexToken() - tok.value = self.lexdata[lexpos:] - tok.lineno = self.lineno - tok.type = "error" - tok.lexer = self - tok.lexpos = lexpos - self.lexpos = lexpos - newtok = self.lexerrorf(tok) - if lexpos == self.lexpos: - # Error method didn't change text position at all. This is an error. - raise LexError, ("Scanning error. Illegal character '%s'" % (lexdata[lexpos]), lexdata[lexpos:]) - lexpos = self.lexpos - if not newtok: continue - return newtok - - self.lexpos = lexpos - raise LexError, ("Illegal character '%s' at index %d" % (lexdata[lexpos],lexpos), lexdata[lexpos:]) - - self.lexpos = lexpos + 1 - if self.lexdata is None: - raise RuntimeError, "No input string given with input()" - return None - -# ----------------------------------------------------------------------------- -# _validate_file() -# -# This checks to see if there are duplicated t_rulename() functions or strings -# in the parser input file. This is done using a simple regular expression -# match on each line in the filename. -# ----------------------------------------------------------------------------- - -def _validate_file(filename): - import os.path - base,ext = os.path.splitext(filename) - if ext != '.py': return 1 # No idea what the file is. Return OK - - try: - f = open(filename) - lines = f.readlines() - f.close() - except IOError: - return 1 # Oh well - - fre = re.compile(r'\s*def\s+(t_[a-zA-Z_0-9]*)\(') - sre = re.compile(r'\s*(t_[a-zA-Z_0-9]*)\s*=') - counthash = { } - linen = 1 - noerror = 1 - for l in lines: - m = fre.match(l) - if not m: - m = sre.match(l) - if m: - name = m.group(1) - prev = counthash.get(name) - if not prev: - counthash[name] = linen - else: - print "%s:%d: Rule %s redefined. Previously defined on line %d" % (filename,linen,name,prev) - noerror = 0 - linen += 1 - return noerror - -# ----------------------------------------------------------------------------- -# _funcs_to_names() -# -# Given a list of regular expression functions, this converts it to a list -# suitable for output to a table file -# ----------------------------------------------------------------------------- - -def _funcs_to_names(funclist): - result = [] - for f in funclist: - if f and f[0]: - result.append((f[0].__name__,f[1])) - else: - result.append(f) - return result - -# ----------------------------------------------------------------------------- -# _names_to_funcs() -# -# Given a list of regular expression function names, this converts it back to -# functions. -# ----------------------------------------------------------------------------- - -def _names_to_funcs(namelist,fdict): - result = [] - for n in namelist: - if n and n[0]: - result.append((fdict[n[0]],n[1])) - else: - result.append(n) - return result - -# ----------------------------------------------------------------------------- -# _form_master_re() -# -# This function takes a list of all of the regex components and attempts to -# form the master regular expression. Given limitations in the Python re -# module, it may be necessary to break the master regex into separate expressions. -# ----------------------------------------------------------------------------- - -def _form_master_re(relist,reflags,ldict): - if not relist: return [] - regex = "|".join(relist) - try: - lexre = re.compile(regex,re.VERBOSE | reflags) - - # Build the index to function map for the matching engine - lexindexfunc = [ None ] * (max(lexre.groupindex.values())+1) - for f,i in lexre.groupindex.items(): - handle = ldict.get(f,None) - if type(handle) in (types.FunctionType, types.MethodType): - lexindexfunc[i] = (handle,handle.__name__[2:]) - elif handle is not None: - # If rule was specified as a string, we build an anonymous - # callback function to carry out the action - if f.find("ignore_") > 0: - lexindexfunc[i] = (None,None) - print "IGNORE", f - else: - lexindexfunc[i] = (None, f[2:]) - - return [(lexre,lexindexfunc)],[regex] - except Exception,e: - m = int(len(relist)/2) - if m == 0: m = 1 - llist, lre = _form_master_re(relist[:m],reflags,ldict) - rlist, rre = _form_master_re(relist[m:],reflags,ldict) - return llist+rlist, lre+rre - -# ----------------------------------------------------------------------------- -# def _statetoken(s,names) -# -# Given a declaration name s of the form "t_" and a dictionary whose keys are -# state names, this function returns a tuple (states,tokenname) where states -# is a tuple of state names and tokenname is the name of the token. For example, -# calling this with s = "t_foo_bar_SPAM" might return (('foo','bar'),'SPAM') -# ----------------------------------------------------------------------------- - -def _statetoken(s,names): - nonstate = 1 - parts = s.split("_") - for i in range(1,len(parts)): - if not names.has_key(parts[i]) and parts[i] != 'ANY': break - if i > 1: - states = tuple(parts[1:i]) - else: - states = ('INITIAL',) - - if 'ANY' in states: - states = tuple(names.keys()) - - tokenname = "_".join(parts[i:]) - return (states,tokenname) - -# ----------------------------------------------------------------------------- -# lex(module) -# -# Build all of the regular expression rules from definitions in the supplied module -# ----------------------------------------------------------------------------- -def lex(module=None,object=None,debug=0,optimize=0,lextab="lextab",reflags=0,nowarn=0): - global lexer - ldict = None - stateinfo = { 'INITIAL' : 'inclusive'} - error = 0 - files = { } - lexobj = Lexer() - lexobj.lexdebug = debug - lexobj.lexoptimize = optimize - global token,input - - if nowarn: warn = 0 - else: warn = 1 - - if object: module = object - - if module: - # User supplied a module object. - if isinstance(module, types.ModuleType): - ldict = module.__dict__ - elif isinstance(module, _INSTANCETYPE): - _items = [(k,getattr(module,k)) for k in dir(module)] - ldict = { } - for (i,v) in _items: - ldict[i] = v - else: - raise ValueError,"Expected a module or instance" - lexobj.lexmodule = module - - else: - # No module given. We might be able to get information from the caller. - try: - raise RuntimeError - except RuntimeError: - e,b,t = sys.exc_info() - f = t.tb_frame - f = f.f_back # Walk out to our calling function - ldict = f.f_globals # Grab its globals dictionary - - if optimize and lextab: - try: - lexobj.readtab(lextab,ldict) - token = lexobj.token - input = lexobj.input - lexer = lexobj - return lexobj - - except ImportError: - pass - - # Get the tokens, states, and literals variables (if any) - if (module and isinstance(module,_INSTANCETYPE)): - tokens = getattr(module,"tokens",None) - states = getattr(module,"states",None) - literals = getattr(module,"literals","") - else: - tokens = ldict.get("tokens",None) - states = ldict.get("states",None) - literals = ldict.get("literals","") - - if not tokens: - raise SyntaxError,"lex: module does not define 'tokens'" - if not (isinstance(tokens,types.ListType) or isinstance(tokens,types.TupleType)): - raise SyntaxError,"lex: tokens must be a list or tuple." - - # Build a dictionary of valid token names - lexobj.lextokens = { } - if not optimize: - for n in tokens: - if not _is_identifier.match(n): - print "lex: Bad token name '%s'" % n - error = 1 - if warn and lexobj.lextokens.has_key(n): - print "lex: Warning. Token '%s' multiply defined." % n - lexobj.lextokens[n] = None - else: - for n in tokens: lexobj.lextokens[n] = None - - if debug: - print "lex: tokens = '%s'" % lexobj.lextokens.keys() - - try: - for c in literals: - if not (isinstance(c,types.StringType) or isinstance(c,types.UnicodeType)) or len(c) > 1: - print "lex: Invalid literal %s. Must be a single character" % repr(c) - error = 1 - continue - - except TypeError: - print "lex: Invalid literals specification. literals must be a sequence of characters." - error = 1 - - lexobj.lexliterals = literals - - # Build statemap - if states: - if not (isinstance(states,types.TupleType) or isinstance(states,types.ListType)): - print "lex: states must be defined as a tuple or list." - error = 1 - else: - for s in states: - if not isinstance(s,types.TupleType) or len(s) != 2: - print "lex: invalid state specifier %s. Must be a tuple (statename,'exclusive|inclusive')" % repr(s) - error = 1 - continue - name, statetype = s - if not isinstance(name,types.StringType): - print "lex: state name %s must be a string" % repr(name) - error = 1 - continue - if not (statetype == 'inclusive' or statetype == 'exclusive'): - print "lex: state type for state %s must be 'inclusive' or 'exclusive'" % name - error = 1 - continue - if stateinfo.has_key(name): - print "lex: state '%s' already defined." % name - error = 1 - continue - stateinfo[name] = statetype - - # Get a list of symbols with the t_ or s_ prefix - tsymbols = [f for f in ldict.keys() if f[:2] == 't_' ] - - # Now build up a list of functions and a list of strings - - funcsym = { } # Symbols defined as functions - strsym = { } # Symbols defined as strings - toknames = { } # Mapping of symbols to token names - - for s in stateinfo.keys(): - funcsym[s] = [] - strsym[s] = [] - - ignore = { } # Ignore strings by state - errorf = { } # Error functions by state - - if len(tsymbols) == 0: - raise SyntaxError,"lex: no rules of the form t_rulename are defined." - - for f in tsymbols: - t = ldict[f] - states, tokname = _statetoken(f,stateinfo) - toknames[f] = tokname - - if callable(t): - for s in states: funcsym[s].append((f,t)) - elif (isinstance(t, types.StringType) or isinstance(t,types.UnicodeType)): - for s in states: strsym[s].append((f,t)) - else: - print "lex: %s not defined as a function or string" % f - error = 1 - - # Sort the functions by line number - for f in funcsym.values(): - f.sort(lambda x,y: cmp(x[1].func_code.co_firstlineno,y[1].func_code.co_firstlineno)) - - # Sort the strings by regular expression length - for s in strsym.values(): - s.sort(lambda x,y: (len(x[1]) < len(y[1])) - (len(x[1]) > len(y[1]))) - - regexs = { } - - # Build the master regular expressions - for state in stateinfo.keys(): - regex_list = [] - - # Add rules defined by functions first - for fname, f in funcsym[state]: - line = f.func_code.co_firstlineno - file = f.func_code.co_filename - files[file] = None - tokname = toknames[fname] - - ismethod = isinstance(f, types.MethodType) - - if not optimize: - nargs = f.func_code.co_argcount - if ismethod: - reqargs = 2 - else: - reqargs = 1 - if nargs > reqargs: - print "%s:%d: Rule '%s' has too many arguments." % (file,line,f.__name__) - error = 1 - continue - - if nargs < reqargs: - print "%s:%d: Rule '%s' requires an argument." % (file,line,f.__name__) - error = 1 - continue - - if tokname == 'ignore': - print "%s:%d: Rule '%s' must be defined as a string." % (file,line,f.__name__) - error = 1 - continue - - if tokname == 'error': - errorf[state] = f - continue - - if f.__doc__: - if not optimize: - try: - c = re.compile("(?P<%s>%s)" % (f.__name__,f.__doc__), re.VERBOSE | reflags) - if c.match(""): - print "%s:%d: Regular expression for rule '%s' matches empty string." % (file,line,f.__name__) - error = 1 - continue - except re.error,e: - print "%s:%d: Invalid regular expression for rule '%s'. %s" % (file,line,f.__name__,e) - if '#' in f.__doc__: - print "%s:%d. Make sure '#' in rule '%s' is escaped with '\\#'." % (file,line, f.__name__) - error = 1 - continue - - if debug: - print "lex: Adding rule %s -> '%s' (state '%s')" % (f.__name__,f.__doc__, state) - - # Okay. The regular expression seemed okay. Let's append it to the master regular - # expression we're building - - regex_list.append("(?P<%s>%s)" % (f.__name__,f.__doc__)) - else: - print "%s:%d: No regular expression defined for rule '%s'" % (file,line,f.__name__) - - # Now add all of the simple rules - for name,r in strsym[state]: - tokname = toknames[name] - - if tokname == 'ignore': - ignore[state] = r - continue - - if not optimize: - if tokname == 'error': - raise SyntaxError,"lex: Rule '%s' must be defined as a function" % name - error = 1 - continue - - if not lexobj.lextokens.has_key(tokname) and tokname.find("ignore_") < 0: - print "lex: Rule '%s' defined for an unspecified token %s." % (name,tokname) - error = 1 - continue - try: - c = re.compile("(?P<%s>%s)" % (name,r),re.VERBOSE | reflags) - if (c.match("")): - print "lex: Regular expression for rule '%s' matches empty string." % name - error = 1 - continue - except re.error,e: - print "lex: Invalid regular expression for rule '%s'. %s" % (name,e) - if '#' in r: - print "lex: Make sure '#' in rule '%s' is escaped with '\\#'." % name - - error = 1 - continue - if debug: - print "lex: Adding rule %s -> '%s' (state '%s')" % (name,r,state) - - regex_list.append("(?P<%s>%s)" % (name,r)) - - if not regex_list: - print "lex: No rules defined for state '%s'" % state - error = 1 - - regexs[state] = regex_list - - - if not optimize: - for f in files.keys(): - if not _validate_file(f): - error = 1 - - if error: - raise SyntaxError,"lex: Unable to build lexer." - - # From this point forward, we're reasonably confident that we can build the lexer. - # No more errors will be generated, but there might be some warning messages. - - # Build the master regular expressions - - for state in regexs.keys(): - lexre, re_text = _form_master_re(regexs[state],reflags,ldict) - lexobj.lexstatere[state] = lexre - lexobj.lexstateretext[state] = re_text - if debug: - for i in range(len(re_text)): - print "lex: state '%s'. regex[%d] = '%s'" % (state, i, re_text[i]) - - # For inclusive states, we need to add the INITIAL state - for state,type in stateinfo.items(): - if state != "INITIAL" and type == 'inclusive': - lexobj.lexstatere[state].extend(lexobj.lexstatere['INITIAL']) - lexobj.lexstateretext[state].extend(lexobj.lexstateretext['INITIAL']) - - lexobj.lexstateinfo = stateinfo - lexobj.lexre = lexobj.lexstatere["INITIAL"] - lexobj.lexretext = lexobj.lexstateretext["INITIAL"] - - # Set up ignore variables - lexobj.lexstateignore = ignore - lexobj.lexignore = lexobj.lexstateignore.get("INITIAL","") - - # Set up error functions - lexobj.lexstateerrorf = errorf - lexobj.lexerrorf = errorf.get("INITIAL",None) - if warn and not lexobj.lexerrorf: - print "lex: Warning. no t_error rule is defined." - - # Check state information for ignore and error rules - for s,stype in stateinfo.items(): - if stype == 'exclusive': - if warn and not errorf.has_key(s): - print "lex: Warning. no error rule is defined for exclusive state '%s'" % s - if warn and not ignore.has_key(s) and lexobj.lexignore: - print "lex: Warning. no ignore rule is defined for exclusive state '%s'" % s - elif stype == 'inclusive': - if not errorf.has_key(s): - errorf[s] = errorf.get("INITIAL",None) - if not ignore.has_key(s): - ignore[s] = ignore.get("INITIAL","") - - - # Create global versions of the token() and input() functions - token = lexobj.token - input = lexobj.input - lexer = lexobj - - # If in optimize mode, we write the lextab - if lextab and optimize: - lexobj.writetab(lextab) - - return lexobj - -# ----------------------------------------------------------------------------- -# runmain() -# -# This runs the lexer as a main program -# ----------------------------------------------------------------------------- - -def runmain(lexer=None,data=None): - if not data: - try: - filename = sys.argv[1] - f = open(filename) - data = f.read() - f.close() - except IndexError: - print "Reading from standard input (type EOF to end):" - data = sys.stdin.read() - - if lexer: - _input = lexer.input - else: - _input = input - _input(data) - if lexer: - _token = lexer.token - else: - _token = token - - while 1: - tok = _token() - if not tok: break - print "(%s,%r,%d,%d)" % (tok.type, tok.value, tok.lineno,tok.lexpos) - - -# ----------------------------------------------------------------------------- -# @TOKEN(regex) -# -# This decorator function can be used to set the regex expression on a function -# when its docstring might need to be set in an alternative way -# ----------------------------------------------------------------------------- - -def TOKEN(r): - def set_doc(f): - f.__doc__ = r - return f - return set_doc - -# Alternative spelling of the TOKEN decorator -Token = TOKEN - diff --git a/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/yacc.py b/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/yacc.py deleted file mode 100644 index caf98af..0000000 --- a/chall/ply-2.2/build/lib.linux-x86_64-2.7/ply/yacc.py +++ /dev/null @@ -1,2209 +0,0 @@ -#----------------------------------------------------------------------------- -# ply: yacc.py -# -# Author(s): David M. Beazley (dave@dabeaz.com) -# -# Copyright (C) 2001-2006, David M. Beazley -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# -# See the file COPYING for a complete copy of the LGPL. -# -# -# This implements an LR parser that is constructed from grammar rules defined -# as Python functions. The grammer is specified by supplying the BNF inside -# Python documentation strings. The inspiration for this technique was borrowed -# from John Aycock's Spark parsing system. PLY might be viewed as cross between -# Spark and the GNU bison utility. -# -# The current implementation is only somewhat object-oriented. The -# LR parser itself is defined in terms of an object (which allows multiple -# parsers to co-exist). However, most of the variables used during table -# construction are defined in terms of global variables. Users shouldn't -# notice unless they are trying to define multiple parsers at the same -# time using threads (in which case they should have their head examined). -# -# This implementation supports both SLR and LALR(1) parsing. LALR(1) -# support was originally implemented by Elias Ioup (ezioup@alumni.uchicago.edu), -# using the algorithm found in Aho, Sethi, and Ullman "Compilers: Principles, -# Techniques, and Tools" (The Dragon Book). LALR(1) has since been replaced -# by the more efficient DeRemer and Pennello algorithm. -# -# :::::::: WARNING ::::::: -# -# Construction of LR parsing tables is fairly complicated and expensive. -# To make this module run fast, a *LOT* of work has been put into -# optimization---often at the expensive of readability and what might -# consider to be good Python "coding style." Modify the code at your -# own risk! -# ---------------------------------------------------------------------------- - -__version__ = "2.2" - -#----------------------------------------------------------------------------- -# === User configurable parameters === -# -# Change these to modify the default behavior of yacc (if you wish) -#----------------------------------------------------------------------------- - -yaccdebug = 1 # Debugging mode. If set, yacc generates a - # a 'parser.out' file in the current directory - -debug_file = 'parser.out' # Default name of the debugging file -tab_module = 'parsetab' # Default name of the table module -default_lr = 'LALR' # Default LR table generation method - -error_count = 3 # Number of symbols that must be shifted to leave recovery mode - -import re, types, sys, cStringIO, md5, os.path - -# Exception raised for yacc-related errors -class YaccError(Exception): pass - -#----------------------------------------------------------------------------- -# === LR Parsing Engine === -# -# The following classes are used for the LR parser itself. These are not -# used during table construction and are independent of the actual LR -# table generation algorithm -#----------------------------------------------------------------------------- - -# This class is used to hold non-terminal grammar symbols during parsing. -# It normally has the following attributes set: -# .type = Grammar symbol type -# .value = Symbol value -# .lineno = Starting line number -# .endlineno = Ending line number (optional, set automatically) -# .lexpos = Starting lex position -# .endlexpos = Ending lex position (optional, set automatically) - -class YaccSymbol: - def __str__(self): return self.type - def __repr__(self): return str(self) - -# This class is a wrapper around the objects actually passed to each -# grammar rule. Index lookup and assignment actually assign the -# .value attribute of the underlying YaccSymbol object. -# The lineno() method returns the line number of a given -# item (or 0 if not defined). The linespan() method returns -# a tuple of (startline,endline) representing the range of lines -# for a symbol. The lexspan() method returns a tuple (lexpos,endlexpos) -# representing the range of positional information for a symbol. - -class YaccProduction: - def __init__(self,s,stack=None): - self.slice = s - self.pbstack = [] - self.stack = stack - - def __getitem__(self,n): - if type(n) == types.IntType: - if n >= 0: return self.slice[n].value - else: return self.stack[n].value - else: - return [s.value for s in self.slice[n.start:n.stop:n.step]] - - def __setitem__(self,n,v): - self.slice[n].value = v - - def __len__(self): - return len(self.slice) - - def lineno(self,n): - return getattr(self.slice[n],"lineno",0) - - def linespan(self,n): - startline = getattr(self.slice[n],"lineno",0) - endline = getattr(self.slice[n],"endlineno",startline) - return startline,endline - - def lexpos(self,n): - return getattr(self.slice[n],"lexpos",0) - - def lexspan(self,n): - startpos = getattr(self.slice[n],"lexpos",0) - endpos = getattr(self.slice[n],"endlexpos",startpos) - return startpos,endpos - - def pushback(self,n): - if n <= 0: - raise ValueError, "Expected a positive value" - if n > (len(self.slice)-1): - raise ValueError, "Can't push %d tokens. Only %d are available." % (n,len(self.slice)-1) - for i in range(0,n): - self.pbstack.append(self.slice[-i-1]) - -# The LR Parsing engine. This is defined as a class so that multiple parsers -# can exist in the same process. A user never instantiates this directly. -# Instead, the global yacc() function should be used to create a suitable Parser -# object. - -class Parser: - def __init__(self,magic=None): - - # This is a hack to keep users from trying to instantiate a Parser - # object directly. - - if magic != "xyzzy": - raise YaccError, "Can't instantiate Parser. Use yacc() instead." - - # Reset internal state - self.productions = None # List of productions - self.errorfunc = None # Error handling function - self.action = { } # LR Action table - self.goto = { } # LR goto table - self.require = { } # Attribute require table - self.method = "Unknown LR" # Table construction method used - - def errok(self): - self.errorcount = 0 - - def restart(self): - del self.statestack[:] - del self.symstack[:] - sym = YaccSymbol() - sym.type = '$end' - self.symstack.append(sym) - self.statestack.append(0) - - def parse(self,input=None,lexer=None,debug=0): - lookahead = None # Current lookahead symbol - lookaheadstack = [ ] # Stack of lookahead symbols - actions = self.action # Local reference to action table - goto = self.goto # Local reference to goto table - prod = self.productions # Local reference to production list - pslice = YaccProduction(None) # Production object passed to grammar rules - pslice.parser = self # Parser object - self.errorcount = 0 # Used during error recovery - - # If no lexer was given, we will try to use the lex module - if not lexer: - import lex - lexer = lex.lexer - - pslice.lexer = lexer - - # If input was supplied, pass to lexer - if input: - lexer.input(input) - - # Tokenize function - get_token = lexer.token - - statestack = [ ] # Stack of parsing states - self.statestack = statestack - symstack = [ ] # Stack of grammar symbols - self.symstack = symstack - - pslice.stack = symstack # Put in the production - errtoken = None # Err token - - # The start state is assumed to be (0,$end) - statestack.append(0) - sym = YaccSymbol() - sym.type = '$end' - symstack.append(sym) - - while 1: - # Get the next symbol on the input. If a lookahead symbol - # is already set, we just use that. Otherwise, we'll pull - # the next token off of the lookaheadstack or from the lexer - if debug > 1: - print 'state', statestack[-1] - if not lookahead: - if not lookaheadstack: - lookahead = get_token() # Get the next token - else: - lookahead = lookaheadstack.pop() - if not lookahead: - lookahead = YaccSymbol() - lookahead.type = '$end' - if debug: - errorlead = ("%s . %s" % (" ".join([xx.type for xx in symstack][1:]), str(lookahead))).lstrip() - - # Check the action table - s = statestack[-1] - ltype = lookahead.type - t = actions.get((s,ltype),None) - - if debug > 1: - print 'action', t - if t is not None: - if t > 0: - # shift a symbol on the stack - if ltype == '$end': - # Error, end of input - sys.stderr.write("yacc: Parse error. EOF\n") - return - statestack.append(t) - if debug > 1: - sys.stderr.write("%-60s shift state %s\n" % (errorlead, t)) - symstack.append(lookahead) - lookahead = None - - # Decrease error count on successful shift - if self.errorcount > 0: - self.errorcount -= 1 - - continue - - if t < 0: - # reduce a symbol on the stack, emit a production - p = prod[-t] - pname = p.name - plen = p.len - - # Get production function - sym = YaccSymbol() - sym.type = pname # Production name - sym.value = None - if debug > 1: - sys.stderr.write("%-60s reduce %d\n" % (errorlead, -t)) - - if plen: - targ = symstack[-plen-1:] - targ[0] = sym - try: - sym.lineno = targ[1].lineno - sym.endlineno = getattr(targ[-1],"endlineno",targ[-1].lineno) - sym.lexpos = targ[1].lexpos - sym.endlexpos = getattr(targ[-1],"endlexpos",targ[-1].lexpos) - except AttributeError: - sym.lineno = 0 - del symstack[-plen:] - del statestack[-plen:] - else: - sym.lineno = 0 - targ = [ sym ] - pslice.slice = targ - pslice.pbstack = [] - # Call the grammar rule with our special slice object - p.func(pslice) - - # If there was a pushback, put that on the stack - if pslice.pbstack: - lookaheadstack.append(lookahead) - for _t in pslice.pbstack: - lookaheadstack.append(_t) - lookahead = None - - symstack.append(sym) - statestack.append(goto[statestack[-1],pname]) - continue - - if t == 0: - n = symstack[-1] - return getattr(n,"value",None) - sys.stderr.write(errorlead, "\n") - - if t == None: - if debug: - sys.stderr.write(errorlead + "\n") - # We have some kind of parsing error here. To handle - # this, we are going to push the current token onto - # the tokenstack and replace it with an 'error' token. - # If there are any synchronization rules, they may - # catch it. - # - # In addition to pushing the error token, we call call - # the user defined p_error() function if this is the - # first syntax error. This function is only called if - # errorcount == 0. - if not self.errorcount: - self.errorcount = error_count - errtoken = lookahead - if errtoken.type == '$end': - errtoken = None # End of file! - if self.errorfunc: - global errok,token,restart - errok = self.errok # Set some special functions available in error recovery - token = get_token - restart = self.restart - tok = self.errorfunc(errtoken) - del errok, token, restart # Delete special functions - - if not self.errorcount: - # User must have done some kind of panic - # mode recovery on their own. The - # returned token is the next lookahead - lookahead = tok - errtoken = None - continue - else: - if errtoken: - if hasattr(errtoken,"lineno"): lineno = lookahead.lineno - else: lineno = 0 - if lineno: - sys.stderr.write("yacc: Syntax error at line %d, token=%s\n" % (lineno, errtoken.type)) - else: - sys.stderr.write("yacc: Syntax error, token=%s" % errtoken.type) - else: - sys.stderr.write("yacc: Parse error in input. EOF\n") - return - - else: - self.errorcount = error_count - - # case 1: the statestack only has 1 entry on it. If we're in this state, the - # entire parse has been rolled back and we're completely hosed. The token is - # discarded and we just keep going. - - if len(statestack) <= 1 and lookahead.type != '$end': - lookahead = None - errtoken = None - # Nuke the pushback stack - del lookaheadstack[:] - continue - - # case 2: the statestack has a couple of entries on it, but we're - # at the end of the file. nuke the top entry and generate an error token - - # Start nuking entries on the stack - if lookahead.type == '$end': - # Whoa. We're really hosed here. Bail out - return - - if lookahead.type != 'error': - sym = symstack[-1] - if sym.type == 'error': - # Hmmm. Error is on top of stack, we'll just nuke input - # symbol and continue - lookahead = None - continue - t = YaccSymbol() - t.type = 'error' - if hasattr(lookahead,"lineno"): - t.lineno = lookahead.lineno - t.value = lookahead - lookaheadstack.append(lookahead) - lookahead = t - else: - symstack.pop() - statestack.pop() - - continue - - # Call an error function here - raise RuntimeError, "yacc: internal parser error!!!\n" - -# ----------------------------------------------------------------------------- -# === Parser Construction === -# -# The following functions and variables are used to implement the yacc() function -# itself. This is pretty hairy stuff involving lots of error checking, -# construction of LR items, kernels, and so forth. Although a lot of -# this work is done using global variables, the resulting Parser object -# is completely self contained--meaning that it is safe to repeatedly -# call yacc() with different grammars in the same application. -# ----------------------------------------------------------------------------- - -# ----------------------------------------------------------------------------- -# validate_file() -# -# This function checks to see if there are duplicated p_rulename() functions -# in the parser module file. Without this function, it is really easy for -# users to make mistakes by cutting and pasting code fragments (and it's a real -# bugger to try and figure out why the resulting parser doesn't work). Therefore, -# we just do a little regular expression pattern matching of def statements -# to try and detect duplicates. -# ----------------------------------------------------------------------------- - -def validate_file(filename): - base,ext = os.path.splitext(filename) - if ext != '.py': return 1 # No idea. Assume it's okay. - - try: - f = open(filename) - lines = f.readlines() - f.close() - except IOError: - return 1 # Oh well - - # Match def p_funcname( - fre = re.compile(r'\s*def\s+(p_[a-zA-Z_0-9]*)\(') - counthash = { } - linen = 1 - noerror = 1 - for l in lines: - m = fre.match(l) - if m: - name = m.group(1) - prev = counthash.get(name) - if not prev: - counthash[name] = linen - else: - sys.stderr.write("%s:%d: Function %s redefined. Previously defined on line %d\n" % (filename,linen,name,prev)) - noerror = 0 - linen += 1 - return noerror - -# This function looks for functions that might be grammar rules, but which don't have the proper p_suffix. -def validate_dict(d): - for n,v in d.items(): - if n[0:2] == 'p_' and type(v) in (types.FunctionType, types.MethodType): continue - if n[0:2] == 't_': continue - - if n[0:2] == 'p_': - sys.stderr.write("yacc: Warning. '%s' not defined as a function\n" % n) - if 1 and isinstance(v,types.FunctionType) and v.func_code.co_argcount == 1: - try: - doc = v.__doc__.split(" ") - if doc[1] == ':': - sys.stderr.write("%s:%d: Warning. Possible grammar rule '%s' defined without p_ prefix.\n" % (v.func_code.co_filename, v.func_code.co_firstlineno,n)) - except StandardError: - pass - -# ----------------------------------------------------------------------------- -# === GRAMMAR FUNCTIONS === -# -# The following global variables and functions are used to store, manipulate, -# and verify the grammar rules specified by the user. -# ----------------------------------------------------------------------------- - -# Initialize all of the global variables used during grammar construction -def initialize_vars(): - global Productions, Prodnames, Prodmap, Terminals - global Nonterminals, First, Follow, Precedence, LRitems - global Errorfunc, Signature, Requires - - Productions = [None] # A list of all of the productions. The first - # entry is always reserved for the purpose of - # building an augmented grammar - - Prodnames = { } # A dictionary mapping the names of nonterminals to a list of all - # productions of that nonterminal. - - Prodmap = { } # A dictionary that is only used to detect duplicate - # productions. - - Terminals = { } # A dictionary mapping the names of terminal symbols to a - # list of the rules where they are used. - - Nonterminals = { } # A dictionary mapping names of nonterminals to a list - # of rule numbers where they are used. - - First = { } # A dictionary of precomputed FIRST(x) symbols - - Follow = { } # A dictionary of precomputed FOLLOW(x) symbols - - Precedence = { } # Precedence rules for each terminal. Contains tuples of the - # form ('right',level) or ('nonassoc', level) or ('left',level) - - LRitems = [ ] # A list of all LR items for the grammar. These are the - # productions with the "dot" like E -> E . PLUS E - - Errorfunc = None # User defined error handler - - Signature = md5.new() # Digital signature of the grammar rules, precedence - # and other information. Used to determined when a - # parsing table needs to be regenerated. - - Requires = { } # Requires list - - # File objects used when creating the parser.out debugging file - global _vf, _vfc - _vf = cStringIO.StringIO() - _vfc = cStringIO.StringIO() - -# ----------------------------------------------------------------------------- -# class Production: -# -# This class stores the raw information about a single production or grammar rule. -# It has a few required attributes: -# -# name - Name of the production (nonterminal) -# prod - A list of symbols making up its production -# number - Production number. -# -# In addition, a few additional attributes are used to help with debugging or -# optimization of table generation. -# -# file - File where production action is defined. -# lineno - Line number where action is defined -# func - Action function -# prec - Precedence level -# lr_next - Next LR item. Example, if we are ' E -> E . PLUS E' -# then lr_next refers to 'E -> E PLUS . E' -# lr_index - LR item index (location of the ".") in the prod list. -# lookaheads - LALR lookahead symbols for this item -# len - Length of the production (number of symbols on right hand side) -# ----------------------------------------------------------------------------- - -class Production: - def __init__(self,**kw): - for k,v in kw.items(): - setattr(self,k,v) - self.lr_index = -1 - self.lr0_added = 0 # Flag indicating whether or not added to LR0 closure - self.lr1_added = 0 # Flag indicating whether or not added to LR1 - self.usyms = [ ] - self.lookaheads = { } - self.lk_added = { } - self.setnumbers = [ ] - - def __str__(self): - if self.prod: - s = "%s -> %s" % (self.name," ".join(self.prod)) - else: - s = "%s -> " % self.name - return s - - def __repr__(self): - return str(self) - - # Compute lr_items from the production - def lr_item(self,n): - if n > len(self.prod): return None - p = Production() - p.name = self.name - p.prod = list(self.prod) - p.number = self.number - p.lr_index = n - p.lookaheads = { } - p.setnumbers = self.setnumbers - p.prod.insert(n,".") - p.prod = tuple(p.prod) - p.len = len(p.prod) - p.usyms = self.usyms - - # Precompute list of productions immediately following - try: - p.lrafter = Prodnames[p.prod[n+1]] - except (IndexError,KeyError),e: - p.lrafter = [] - try: - p.lrbefore = p.prod[n-1] - except IndexError: - p.lrbefore = None - - return p - -class MiniProduction: - pass - -# regex matching identifiers -_is_identifier = re.compile(r'^[a-zA-Z0-9_-]+$') - -# ----------------------------------------------------------------------------- -# add_production() -# -# Given an action function, this function assembles a production rule. -# The production rule is assumed to be found in the function's docstring. -# This rule has the general syntax: -# -# name1 ::= production1 -# | production2 -# | production3 -# ... -# | productionn -# name2 ::= production1 -# | production2 -# ... -# ----------------------------------------------------------------------------- - -def add_production(f,file,line,prodname,syms): - - if Terminals.has_key(prodname): - sys.stderr.write("%s:%d: Illegal rule name '%s'. Already defined as a token.\n" % (file,line,prodname)) - return -1 - if prodname == 'error': - sys.stderr.write("%s:%d: Illegal rule name '%s'. error is a reserved word.\n" % (file,line,prodname)) - return -1 - - if not _is_identifier.match(prodname): - sys.stderr.write("%s:%d: Illegal rule name '%s'\n" % (file,line,prodname)) - return -1 - - for x in range(len(syms)): - s = syms[x] - if s[0] in "'\"": - try: - c = eval(s) - if (len(c) > 1): - sys.stderr.write("%s:%d: Literal token %s in rule '%s' may only be a single character\n" % (file,line,s, prodname)) - return -1 - if not Terminals.has_key(c): - Terminals[c] = [] - syms[x] = c - continue - except SyntaxError: - pass - if not _is_identifier.match(s) and s != '%prec': - sys.stderr.write("%s:%d: Illegal name '%s' in rule '%s'\n" % (file,line,s, prodname)) - return -1 - - # See if the rule is already in the rulemap - map = "%s -> %s" % (prodname,syms) - if Prodmap.has_key(map): - m = Prodmap[map] - sys.stderr.write("%s:%d: Duplicate rule %s.\n" % (file,line, m)) - sys.stderr.write("%s:%d: Previous definition at %s:%d\n" % (file,line, m.file, m.line)) - return -1 - - p = Production() - p.name = prodname - p.prod = syms - p.file = file - p.line = line - p.func = f - p.number = len(Productions) - - - Productions.append(p) - Prodmap[map] = p - if not Nonterminals.has_key(prodname): - Nonterminals[prodname] = [ ] - - # Add all terminals to Terminals - i = 0 - while i < len(p.prod): - t = p.prod[i] - if t == '%prec': - try: - precname = p.prod[i+1] - except IndexError: - sys.stderr.write("%s:%d: Syntax error. Nothing follows %%prec.\n" % (p.file,p.line)) - return -1 - - prec = Precedence.get(precname,None) - if not prec: - sys.stderr.write("%s:%d: Nothing known about the precedence of '%s'\n" % (p.file,p.line,precname)) - return -1 - else: - p.prec = prec - del p.prod[i] - del p.prod[i] - continue - - if Terminals.has_key(t): - Terminals[t].append(p.number) - # Is a terminal. We'll assign a precedence to p based on this - if not hasattr(p,"prec"): - p.prec = Precedence.get(t,('right',0)) - else: - if not Nonterminals.has_key(t): - Nonterminals[t] = [ ] - Nonterminals[t].append(p.number) - i += 1 - - if not hasattr(p,"prec"): - p.prec = ('right',0) - - # Set final length of productions - p.len = len(p.prod) - p.prod = tuple(p.prod) - - # Calculate unique syms in the production - p.usyms = [ ] - for s in p.prod: - if s not in p.usyms: - p.usyms.append(s) - - # Add to the global productions list - try: - Prodnames[p.name].append(p) - except KeyError: - Prodnames[p.name] = [ p ] - return 0 - -# Given a raw rule function, this function rips out its doc string -# and adds rules to the grammar - -def add_function(f): - line = f.func_code.co_firstlineno - file = f.func_code.co_filename - error = 0 - - if isinstance(f,types.MethodType): - reqdargs = 2 - else: - reqdargs = 1 - - if f.func_code.co_argcount > reqdargs: - sys.stderr.write("%s:%d: Rule '%s' has too many arguments.\n" % (file,line,f.__name__)) - return -1 - - if f.func_code.co_argcount < reqdargs: - sys.stderr.write("%s:%d: Rule '%s' requires an argument.\n" % (file,line,f.__name__)) - return -1 - - if f.__doc__: - # Split the doc string into lines - pstrings = f.__doc__.splitlines() - lastp = None - dline = line - for ps in pstrings: - dline += 1 - p = ps.split() - if not p: continue - try: - if p[0] == '|': - # This is a continuation of a previous rule - if not lastp: - sys.stderr.write("%s:%d: Misplaced '|'.\n" % (file,dline)) - return -1 - prodname = lastp - if len(p) > 1: - syms = p[1:] - else: - syms = [ ] - else: - prodname = p[0] - lastp = prodname - assign = p[1] - if len(p) > 2: - syms = p[2:] - else: - syms = [ ] - if assign != ':' and assign != '::=': - sys.stderr.write("%s:%d: Syntax error. Expected ':'\n" % (file,dline)) - return -1 - - - e = add_production(f,file,dline,prodname,syms) - error += e - - - except StandardError: - sys.stderr.write("%s:%d: Syntax error in rule '%s'\n" % (file,dline,ps)) - error -= 1 - else: - sys.stderr.write("%s:%d: No documentation string specified in function '%s'\n" % (file,line,f.__name__)) - return error - - -# Cycle checking code (Michael Dyck) - -def compute_reachable(): - ''' - Find each symbol that can be reached from the start symbol. - Print a warning for any nonterminals that can't be reached. - (Unused terminals have already had their warning.) - ''' - Reachable = { } - for s in Terminals.keys() + Nonterminals.keys(): - Reachable[s] = 0 - - mark_reachable_from( Productions[0].prod[0], Reachable ) - - for s in Nonterminals.keys(): - if not Reachable[s]: - sys.stderr.write("yacc: Symbol '%s' is unreachable.\n" % s) - -def mark_reachable_from(s, Reachable): - ''' - Mark all symbols that are reachable from symbol s. - ''' - if Reachable[s]: - # We've already reached symbol s. - return - Reachable[s] = 1 - for p in Prodnames.get(s,[]): - for r in p.prod: - mark_reachable_from(r, Reachable) - -# ----------------------------------------------------------------------------- -# compute_terminates() -# -# This function looks at the various parsing rules and tries to detect -# infinite recursion cycles (grammar rules where there is no possible way -# to derive a string of only terminals). -# ----------------------------------------------------------------------------- -def compute_terminates(): - ''' - Raise an error for any symbols that don't terminate. - ''' - Terminates = {} - - # Terminals: - for t in Terminals.keys(): - Terminates[t] = 1 - - Terminates['$end'] = 1 - - # Nonterminals: - - # Initialize to false: - for n in Nonterminals.keys(): - Terminates[n] = 0 - - # Then propagate termination until no change: - while 1: - some_change = 0 - for (n,pl) in Prodnames.items(): - # Nonterminal n terminates iff any of its productions terminates. - for p in pl: - # Production p terminates iff all of its rhs symbols terminate. - for s in p.prod: - if not Terminates[s]: - # The symbol s does not terminate, - # so production p does not terminate. - p_terminates = 0 - break - else: - # didn't break from the loop, - # so every symbol s terminates - # so production p terminates. - p_terminates = 1 - - if p_terminates: - # symbol n terminates! - if not Terminates[n]: - Terminates[n] = 1 - some_change = 1 - # Don't need to consider any more productions for this n. - break - - if not some_change: - break - - some_error = 0 - for (s,terminates) in Terminates.items(): - if not terminates: - if not Prodnames.has_key(s) and not Terminals.has_key(s) and s != 'error': - # s is used-but-not-defined, and we've already warned of that, - # so it would be overkill to say that it's also non-terminating. - pass - else: - sys.stderr.write("yacc: Infinite recursion detected for symbol '%s'.\n" % s) - some_error = 1 - - return some_error - -# ----------------------------------------------------------------------------- -# verify_productions() -# -# This function examines all of the supplied rules to see if they seem valid. -# ----------------------------------------------------------------------------- -def verify_productions(cycle_check=1): - error = 0 - for p in Productions: - if not p: continue - - for s in p.prod: - if not Prodnames.has_key(s) and not Terminals.has_key(s) and s != 'error': - sys.stderr.write("%s:%d: Symbol '%s' used, but not defined as a token or a rule.\n" % (p.file,p.line,s)) - error = 1 - continue - - unused_tok = 0 - # Now verify all of the tokens - if yaccdebug: - _vf.write("Unused terminals:\n\n") - for s,v in Terminals.items(): - if s != 'error' and not v: - sys.stderr.write("yacc: Warning. Token '%s' defined, but not used.\n" % s) - if yaccdebug: _vf.write(" %s\n"% s) - unused_tok += 1 - - # Print out all of the productions - if yaccdebug: - _vf.write("\nGrammar\n\n") - for i in range(1,len(Productions)): - _vf.write("Rule %-5d %s\n" % (i, Productions[i])) - - unused_prod = 0 - # Verify the use of all productions - for s,v in Nonterminals.items(): - if not v: - p = Prodnames[s][0] - sys.stderr.write("%s:%d: Warning. Rule '%s' defined, but not used.\n" % (p.file,p.line, s)) - unused_prod += 1 - - - if unused_tok == 1: - sys.stderr.write("yacc: Warning. There is 1 unused token.\n") - if unused_tok > 1: - sys.stderr.write("yacc: Warning. There are %d unused tokens.\n" % unused_tok) - - if unused_prod == 1: - sys.stderr.write("yacc: Warning. There is 1 unused rule.\n") - if unused_prod > 1: - sys.stderr.write("yacc: Warning. There are %d unused rules.\n" % unused_prod) - - if yaccdebug: - _vf.write("\nTerminals, with rules where they appear\n\n") - ks = Terminals.keys() - ks.sort() - for k in ks: - _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Terminals[k]]))) - _vf.write("\nNonterminals, with rules where they appear\n\n") - ks = Nonterminals.keys() - ks.sort() - for k in ks: - _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Nonterminals[k]]))) - - if (cycle_check): - compute_reachable() - error += compute_terminates() -# error += check_cycles() - return error - -# ----------------------------------------------------------------------------- -# build_lritems() -# -# This function walks the list of productions and builds a complete set of the -# LR items. The LR items are stored in two ways: First, they are uniquely -# numbered and placed in the list _lritems. Second, a linked list of LR items -# is built for each production. For example: -# -# E -> E PLUS E -# -# Creates the list -# -# [E -> . E PLUS E, E -> E . PLUS E, E -> E PLUS . E, E -> E PLUS E . ] -# ----------------------------------------------------------------------------- - -def build_lritems(): - for p in Productions: - lastlri = p - lri = p.lr_item(0) - i = 0 - while 1: - lri = p.lr_item(i) - lastlri.lr_next = lri - if not lri: break - lri.lr_num = len(LRitems) - LRitems.append(lri) - lastlri = lri - i += 1 - - # In order for the rest of the parser generator to work, we need to - # guarantee that no more lritems are generated. Therefore, we nuke - # the p.lr_item method. (Only used in debugging) - # Production.lr_item = None - -# ----------------------------------------------------------------------------- -# add_precedence() -# -# Given a list of precedence rules, add to the precedence table. -# ----------------------------------------------------------------------------- - -def add_precedence(plist): - plevel = 0 - error = 0 - for p in plist: - plevel += 1 - try: - prec = p[0] - terms = p[1:] - if prec != 'left' and prec != 'right' and prec != 'nonassoc': - sys.stderr.write("yacc: Invalid precedence '%s'\n" % prec) - return -1 - for t in terms: - if Precedence.has_key(t): - sys.stderr.write("yacc: Precedence already specified for terminal '%s'\n" % t) - error += 1 - continue - Precedence[t] = (prec,plevel) - except: - sys.stderr.write("yacc: Invalid precedence table.\n") - error += 1 - - return error - -# ----------------------------------------------------------------------------- -# augment_grammar() -# -# Compute the augmented grammar. This is just a rule S' -> start where start -# is the starting symbol. -# ----------------------------------------------------------------------------- - -def augment_grammar(start=None): - if not start: - start = Productions[1].name - Productions[0] = Production(name="S'",prod=[start],number=0,len=1,prec=('right',0),func=None) - Productions[0].usyms = [ start ] - Nonterminals[start].append(0) - - -# ------------------------------------------------------------------------- -# first() -# -# Compute the value of FIRST1(beta) where beta is a tuple of symbols. -# -# During execution of compute_first1, the result may be incomplete. -# Afterward (e.g., when called from compute_follow()), it will be complete. -# ------------------------------------------------------------------------- -def first(beta): - - # We are computing First(x1,x2,x3,...,xn) - result = [ ] - for x in beta: - x_produces_empty = 0 - - # Add all the non- symbols of First[x] to the result. - for f in First[x]: - if f == '': - x_produces_empty = 1 - else: - if f not in result: result.append(f) - - if x_produces_empty: - # We have to consider the next x in beta, - # i.e. stay in the loop. - pass - else: - # We don't have to consider any further symbols in beta. - break - else: - # There was no 'break' from the loop, - # so x_produces_empty was true for all x in beta, - # so beta produces empty as well. - result.append('') - - return result - - -# FOLLOW(x) -# Given a non-terminal. This function computes the set of all symbols -# that might follow it. Dragon book, p. 189. - -def compute_follow(start=None): - # Add '$end' to the follow list of the start symbol - for k in Nonterminals.keys(): - Follow[k] = [ ] - - if not start: - start = Productions[1].name - - Follow[start] = [ '$end' ] - - while 1: - didadd = 0 - for p in Productions[1:]: - # Here is the production set - for i in range(len(p.prod)): - B = p.prod[i] - if Nonterminals.has_key(B): - # Okay. We got a non-terminal in a production - fst = first(p.prod[i+1:]) - hasempty = 0 - for f in fst: - if f != '' and f not in Follow[B]: - Follow[B].append(f) - didadd = 1 - if f == '': - hasempty = 1 - if hasempty or i == (len(p.prod)-1): - # Add elements of follow(a) to follow(b) - for f in Follow[p.name]: - if f not in Follow[B]: - Follow[B].append(f) - didadd = 1 - if not didadd: break - - if 0 and yaccdebug: - _vf.write('\nFollow:\n') - for k in Nonterminals.keys(): - _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Follow[k]]))) - -# ------------------------------------------------------------------------- -# compute_first1() -# -# Compute the value of FIRST1(X) for all symbols -# ------------------------------------------------------------------------- -def compute_first1(): - - # Terminals: - for t in Terminals.keys(): - First[t] = [t] - - First['$end'] = ['$end'] - First['#'] = ['#'] # what's this for? - - # Nonterminals: - - # Initialize to the empty set: - for n in Nonterminals.keys(): - First[n] = [] - - # Then propagate symbols until no change: - while 1: - some_change = 0 - for n in Nonterminals.keys(): - for p in Prodnames[n]: - for f in first(p.prod): - if f not in First[n]: - First[n].append( f ) - some_change = 1 - if not some_change: - break - - if 0 and yaccdebug: - _vf.write('\nFirst:\n') - for k in Nonterminals.keys(): - _vf.write("%-20s : %s\n" % - (k, " ".join([str(s) for s in First[k]]))) - -# ----------------------------------------------------------------------------- -# === SLR Generation === -# -# The following functions are used to construct SLR (Simple LR) parsing tables -# as described on p.221-229 of the dragon book. -# ----------------------------------------------------------------------------- - -# Global variables for the LR parsing engine -def lr_init_vars(): - global _lr_action, _lr_goto, _lr_method - global _lr_goto_cache, _lr0_cidhash - - _lr_action = { } # Action table - _lr_goto = { } # Goto table - _lr_method = "Unknown" # LR method used - _lr_goto_cache = { } - _lr0_cidhash = { } - - -# Compute the LR(0) closure operation on I, where I is a set of LR(0) items. -# prodlist is a list of productions. - -_add_count = 0 # Counter used to detect cycles - -def lr0_closure(I): - global _add_count - - _add_count += 1 - prodlist = Productions - - # Add everything in I to J - J = I[:] - didadd = 1 - while didadd: - didadd = 0 - for j in J: - for x in j.lrafter: - if x.lr0_added == _add_count: continue - # Add B --> .G to J - J.append(x.lr_next) - x.lr0_added = _add_count - didadd = 1 - - return J - -# Compute the LR(0) goto function goto(I,X) where I is a set -# of LR(0) items and X is a grammar symbol. This function is written -# in a way that guarantees uniqueness of the generated goto sets -# (i.e. the same goto set will never be returned as two different Python -# objects). With uniqueness, we can later do fast set comparisons using -# id(obj) instead of element-wise comparison. - -def lr0_goto(I,x): - # First we look for a previously cached entry - g = _lr_goto_cache.get((id(I),x),None) - if g: return g - - # Now we generate the goto set in a way that guarantees uniqueness - # of the result - - s = _lr_goto_cache.get(x,None) - if not s: - s = { } - _lr_goto_cache[x] = s - - gs = [ ] - for p in I: - n = p.lr_next - if n and n.lrbefore == x: - s1 = s.get(id(n),None) - if not s1: - s1 = { } - s[id(n)] = s1 - gs.append(n) - s = s1 - g = s.get('$end',None) - if not g: - if gs: - g = lr0_closure(gs) - s['$end'] = g - else: - s['$end'] = gs - _lr_goto_cache[(id(I),x)] = g - return g - -_lr0_cidhash = { } - -# Compute the LR(0) sets of item function -def lr0_items(): - - C = [ lr0_closure([Productions[0].lr_next]) ] - i = 0 - for I in C: - _lr0_cidhash[id(I)] = i - i += 1 - - # Loop over the items in C and each grammar symbols - i = 0 - while i < len(C): - I = C[i] - i += 1 - - # Collect all of the symbols that could possibly be in the goto(I,X) sets - asyms = { } - for ii in I: - for s in ii.usyms: - asyms[s] = None - - for x in asyms.keys(): - g = lr0_goto(I,x) - if not g: continue - if _lr0_cidhash.has_key(id(g)): continue - _lr0_cidhash[id(g)] = len(C) - C.append(g) - - return C - -# ----------------------------------------------------------------------------- -# ==== LALR(1) Parsing ==== -# -# LALR(1) parsing is almost exactly the same as SLR except that instead of -# relying upon Follow() sets when performing reductions, a more selective -# lookahead set that incorporates the state of the LR(0) machine is utilized. -# Thus, we mainly just have to focus on calculating the lookahead sets. -# -# The method used here is due to DeRemer and Pennelo (1982). -# -# DeRemer, F. L., and T. J. Pennelo: "Efficient Computation of LALR(1) -# Lookahead Sets", ACM Transactions on Programming Languages and Systems, -# Vol. 4, No. 4, Oct. 1982, pp. 615-649 -# -# Further details can also be found in: -# -# J. Tremblay and P. Sorenson, "The Theory and Practice of Compiler Writing", -# McGraw-Hill Book Company, (1985). -# -# Note: This implementation is a complete replacement of the LALR(1) -# implementation in PLY-1.x releases. That version was based on -# a less efficient algorithm and it had bugs in its implementation. -# ----------------------------------------------------------------------------- - -# ----------------------------------------------------------------------------- -# compute_nullable_nonterminals() -# -# Creates a dictionary containing all of the non-terminals that might produce -# an empty production. -# ----------------------------------------------------------------------------- - -def compute_nullable_nonterminals(): - nullable = {} - num_nullable = 0 - while 1: - for p in Productions[1:]: - if p.len == 0: - nullable[p.name] = 1 - continue - for t in p.prod: - if not nullable.has_key(t): break - else: - nullable[p.name] = 1 - if len(nullable) == num_nullable: break - num_nullable = len(nullable) - return nullable - -# ----------------------------------------------------------------------------- -# find_nonterminal_trans(C) -# -# Given a set of LR(0) items, this functions finds all of the non-terminal -# transitions. These are transitions in which a dot appears immediately before -# a non-terminal. Returns a list of tuples of the form (state,N) where state -# is the state number and N is the nonterminal symbol. -# -# The input C is the set of LR(0) items. -# ----------------------------------------------------------------------------- - -def find_nonterminal_transitions(C): - trans = [] - for state in range(len(C)): - for p in C[state]: - if p.lr_index < p.len - 1: - t = (state,p.prod[p.lr_index+1]) - if Nonterminals.has_key(t[1]): - if t not in trans: trans.append(t) - state = state + 1 - return trans - -# ----------------------------------------------------------------------------- -# dr_relation() -# -# Computes the DR(p,A) relationships for non-terminal transitions. The input -# is a tuple (state,N) where state is a number and N is a nonterminal symbol. -# -# Returns a list of terminals. -# ----------------------------------------------------------------------------- - -def dr_relation(C,trans,nullable): - dr_set = { } - state,N = trans - terms = [] - - g = lr0_goto(C[state],N) - for p in g: - if p.lr_index < p.len - 1: - a = p.prod[p.lr_index+1] - if Terminals.has_key(a): - if a not in terms: terms.append(a) - - # This extra bit is to handle the start state - if state == 0 and N == Productions[0].prod[0]: - terms.append('$end') - - return terms - -# ----------------------------------------------------------------------------- -# reads_relation() -# -# Computes the READS() relation (p,A) READS (t,C). -# ----------------------------------------------------------------------------- - -def reads_relation(C, trans, empty): - # Look for empty transitions - rel = [] - state, N = trans - - g = lr0_goto(C[state],N) - j = _lr0_cidhash.get(id(g),-1) - for p in g: - if p.lr_index < p.len - 1: - a = p.prod[p.lr_index + 1] - if empty.has_key(a): - rel.append((j,a)) - - return rel - -# ----------------------------------------------------------------------------- -# compute_lookback_includes() -# -# Determines the lookback and includes relations -# -# LOOKBACK: -# -# This relation is determined by running the LR(0) state machine forward. -# For example, starting with a production "N : . A B C", we run it forward -# to obtain "N : A B C ." We then build a relationship between this final -# state and the starting state. These relationships are stored in a dictionary -# lookdict. -# -# INCLUDES: -# -# Computes the INCLUDE() relation (p,A) INCLUDES (p',B). -# -# This relation is used to determine non-terminal transitions that occur -# inside of other non-terminal transition states. (p,A) INCLUDES (p', B) -# if the following holds: -# -# B -> LAT, where T -> epsilon and p' -L-> p -# -# L is essentially a prefix (which may be empty), T is a suffix that must be -# able to derive an empty string. State p' must lead to state p with the string L. -# -# ----------------------------------------------------------------------------- - -def compute_lookback_includes(C,trans,nullable): - - lookdict = {} # Dictionary of lookback relations - includedict = {} # Dictionary of include relations - - # Make a dictionary of non-terminal transitions - dtrans = {} - for t in trans: - dtrans[t] = 1 - - # Loop over all transitions and compute lookbacks and includes - for state,N in trans: - lookb = [] - includes = [] - for p in C[state]: - if p.name != N: continue - - # Okay, we have a name match. We now follow the production all the way - # through the state machine until we get the . on the right hand side - - lr_index = p.lr_index - j = state - while lr_index < p.len - 1: - lr_index = lr_index + 1 - t = p.prod[lr_index] - - # Check to see if this symbol and state are a non-terminal transition - if dtrans.has_key((j,t)): - # Yes. Okay, there is some chance that this is an includes relation - # the only way to know for certain is whether the rest of the - # production derives empty - - li = lr_index + 1 - while li < p.len: - if Terminals.has_key(p.prod[li]): break # No forget it - if not nullable.has_key(p.prod[li]): break - li = li + 1 - else: - # Appears to be a relation between (j,t) and (state,N) - includes.append((j,t)) - - g = lr0_goto(C[j],t) # Go to next set - j = _lr0_cidhash.get(id(g),-1) # Go to next state - - # When we get here, j is the final state, now we have to locate the production - for r in C[j]: - if r.name != p.name: continue - if r.len != p.len: continue - i = 0 - # This look is comparing a production ". A B C" with "A B C ." - while i < r.lr_index: - if r.prod[i] != p.prod[i+1]: break - i = i + 1 - else: - lookb.append((j,r)) - for i in includes: - if not includedict.has_key(i): includedict[i] = [] - includedict[i].append((state,N)) - lookdict[(state,N)] = lookb - - return lookdict,includedict - -# ----------------------------------------------------------------------------- -# digraph() -# traverse() -# -# The following two functions are used to compute set valued functions -# of the form: -# -# F(x) = F'(x) U U{F(y) | x R y} -# -# This is used to compute the values of Read() sets as well as FOLLOW sets -# in LALR(1) generation. -# -# Inputs: X - An input set -# R - A relation -# FP - Set-valued function -# ------------------------------------------------------------------------------ - -def digraph(X,R,FP): - N = { } - for x in X: - N[x] = 0 - stack = [] - F = { } - for x in X: - if N[x] == 0: traverse(x,N,stack,F,X,R,FP) - return F - -def traverse(x,N,stack,F,X,R,FP): - stack.append(x) - d = len(stack) - N[x] = d - F[x] = FP(x) # F(X) <- F'(x) - - rel = R(x) # Get y's related to x - for y in rel: - if N[y] == 0: - traverse(y,N,stack,F,X,R,FP) - N[x] = min(N[x],N[y]) - for a in F.get(y,[]): - if a not in F[x]: F[x].append(a) - if N[x] == d: - N[stack[-1]] = sys.maxint - F[stack[-1]] = F[x] - element = stack.pop() - while element != x: - N[stack[-1]] = sys.maxint - F[stack[-1]] = F[x] - element = stack.pop() - -# ----------------------------------------------------------------------------- -# compute_read_sets() -# -# Given a set of LR(0) items, this function computes the read sets. -# -# Inputs: C = Set of LR(0) items -# ntrans = Set of nonterminal transitions -# nullable = Set of empty transitions -# -# Returns a set containing the read sets -# ----------------------------------------------------------------------------- - -def compute_read_sets(C, ntrans, nullable): - FP = lambda x: dr_relation(C,x,nullable) - R = lambda x: reads_relation(C,x,nullable) - F = digraph(ntrans,R,FP) - return F - -# ----------------------------------------------------------------------------- -# compute_follow_sets() -# -# Given a set of LR(0) items, a set of non-terminal transitions, a readset, -# and an include set, this function computes the follow sets -# -# Follow(p,A) = Read(p,A) U U {Follow(p',B) | (p,A) INCLUDES (p',B)} -# -# Inputs: -# ntrans = Set of nonterminal transitions -# readsets = Readset (previously computed) -# inclsets = Include sets (previously computed) -# -# Returns a set containing the follow sets -# ----------------------------------------------------------------------------- - -def compute_follow_sets(ntrans,readsets,inclsets): - FP = lambda x: readsets[x] - R = lambda x: inclsets.get(x,[]) - F = digraph(ntrans,R,FP) - return F - -# ----------------------------------------------------------------------------- -# add_lookaheads() -# -# Attaches the lookahead symbols to grammar rules. -# -# Inputs: lookbacks - Set of lookback relations -# followset - Computed follow set -# -# This function directly attaches the lookaheads to productions contained -# in the lookbacks set -# ----------------------------------------------------------------------------- - -def add_lookaheads(lookbacks,followset): - for trans,lb in lookbacks.items(): - # Loop over productions in lookback - for state,p in lb: - if not p.lookaheads.has_key(state): - p.lookaheads[state] = [] - f = followset.get(trans,[]) - for a in f: - if a not in p.lookaheads[state]: p.lookaheads[state].append(a) - -# ----------------------------------------------------------------------------- -# add_lalr_lookaheads() -# -# This function does all of the work of adding lookahead information for use -# with LALR parsing -# ----------------------------------------------------------------------------- - -def add_lalr_lookaheads(C): - # Determine all of the nullable nonterminals - nullable = compute_nullable_nonterminals() - - # Find all non-terminal transitions - trans = find_nonterminal_transitions(C) - - # Compute read sets - readsets = compute_read_sets(C,trans,nullable) - - # Compute lookback/includes relations - lookd, included = compute_lookback_includes(C,trans,nullable) - - # Compute LALR FOLLOW sets - followsets = compute_follow_sets(trans,readsets,included) - - # Add all of the lookaheads - add_lookaheads(lookd,followsets) - -# ----------------------------------------------------------------------------- -# lr_parse_table() -# -# This function constructs the parse tables for SLR or LALR -# ----------------------------------------------------------------------------- -def lr_parse_table(method): - global _lr_method - goto = _lr_goto # Goto array - action = _lr_action # Action array - actionp = { } # Action production array (temporary) - - _lr_method = method - - n_srconflict = 0 - n_rrconflict = 0 - - if yaccdebug: - sys.stderr.write("yacc: Generating %s parsing table...\n" % method) - _vf.write("\n\nParsing method: %s\n\n" % method) - - # Step 1: Construct C = { I0, I1, ... IN}, collection of LR(0) items - # This determines the number of states - - C = lr0_items() - - if method == 'LALR': - add_lalr_lookaheads(C) - - # Build the parser table, state by state - st = 0 - for I in C: - # Loop over each production in I - actlist = [ ] # List of actions - - if yaccdebug: - _vf.write("\nstate %d\n\n" % st) - for p in I: - _vf.write(" (%d) %s\n" % (p.number, str(p))) - _vf.write("\n") - - for p in I: - try: - if p.prod[-1] == ".": - if p.name == "S'": - # Start symbol. Accept! - action[st,"$end"] = 0 - actionp[st,"$end"] = p - else: - # We are at the end of a production. Reduce! - if method == 'LALR': - laheads = p.lookaheads[st] - else: - laheads = Follow[p.name] - for a in laheads: - actlist.append((a,p,"reduce using rule %d (%s)" % (p.number,p))) - r = action.get((st,a),None) - if r is not None: - # Whoa. Have a shift/reduce or reduce/reduce conflict - if r > 0: - # Need to decide on shift or reduce here - # By default we favor shifting. Need to add - # some precedence rules here. - sprec,slevel = Productions[actionp[st,a].number].prec - rprec,rlevel = Precedence.get(a,('right',0)) - if (slevel < rlevel) or ((slevel == rlevel) and (rprec == 'left')): - # We really need to reduce here. - action[st,a] = -p.number - actionp[st,a] = p - if not slevel and not rlevel: - _vfc.write("shift/reduce conflict in state %d resolved as reduce.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as reduce.\n" % a) - n_srconflict += 1 - elif (slevel == rlevel) and (rprec == 'nonassoc'): - action[st,a] = None - else: - # Hmmm. Guess we'll keep the shift - if not rlevel: - _vfc.write("shift/reduce conflict in state %d resolved as shift.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as shift.\n" % a) - n_srconflict +=1 - elif r < 0: - # Reduce/reduce conflict. In this case, we favor the rule - # that was defined first in the grammar file - oldp = Productions[-r] - pp = Productions[p.number] - if oldp.line > pp.line: - action[st,a] = -p.number - actionp[st,a] = p - # sys.stderr.write("Reduce/reduce conflict in state %d\n" % st) - n_rrconflict += 1 - _vfc.write("reduce/reduce conflict in state %d resolved using rule %d (%s).\n" % (st, actionp[st,a].number, actionp[st,a])) - _vf.write(" ! reduce/reduce conflict for %s resolved using rule %d (%s).\n" % (a,actionp[st,a].number, actionp[st,a])) - else: - sys.stderr.write("Unknown conflict in state %d\n" % st) - else: - action[st,a] = -p.number - actionp[st,a] = p - else: - i = p.lr_index - a = p.prod[i+1] # Get symbol right after the "." - if Terminals.has_key(a): - g = lr0_goto(I,a) - j = _lr0_cidhash.get(id(g),-1) - if j >= 0: - # We are in a shift state - actlist.append((a,p,"shift and go to state %d" % j)) - r = action.get((st,a),None) - if r is not None: - # Whoa have a shift/reduce or shift/shift conflict - if r > 0: - if r != j: - sys.stderr.write("Shift/shift conflict in state %d\n" % st) - elif r < 0: - # Do a precedence check. - # - if precedence of reduce rule is higher, we reduce. - # - if precedence of reduce is same and left assoc, we reduce. - # - otherwise we shift - rprec,rlevel = Productions[actionp[st,a].number].prec - sprec,slevel = Precedence.get(a,('right',0)) - if (slevel > rlevel) or ((slevel == rlevel) and (rprec != 'left')): - # We decide to shift here... highest precedence to shift - action[st,a] = j - actionp[st,a] = p - if not rlevel: - n_srconflict += 1 - _vfc.write("shift/reduce conflict in state %d resolved as shift.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as shift.\n" % a) - elif (slevel == rlevel) and (rprec == 'nonassoc'): - action[st,a] = None - else: - # Hmmm. Guess we'll keep the reduce - if not slevel and not rlevel: - n_srconflict +=1 - _vfc.write("shift/reduce conflict in state %d resolved as reduce.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as reduce.\n" % a) - - else: - sys.stderr.write("Unknown conflict in state %d\n" % st) - else: - action[st,a] = j - actionp[st,a] = p - - except StandardError,e: - raise YaccError, "Hosed in lr_parse_table", e - - # Print the actions associated with each terminal - if yaccdebug: - _actprint = { } - for a,p,m in actlist: - if action.has_key((st,a)): - if p is actionp[st,a]: - _vf.write(" %-15s %s\n" % (a,m)) - _actprint[(a,m)] = 1 - _vf.write("\n") - for a,p,m in actlist: - if action.has_key((st,a)): - if p is not actionp[st,a]: - if not _actprint.has_key((a,m)): - _vf.write(" ! %-15s [ %s ]\n" % (a,m)) - _actprint[(a,m)] = 1 - - # Construct the goto table for this state - if yaccdebug: - _vf.write("\n") - nkeys = { } - for ii in I: - for s in ii.usyms: - if Nonterminals.has_key(s): - nkeys[s] = None - for n in nkeys.keys(): - g = lr0_goto(I,n) - j = _lr0_cidhash.get(id(g),-1) - if j >= 0: - goto[st,n] = j - if yaccdebug: - _vf.write(" %-30s shift and go to state %d\n" % (n,j)) - - st += 1 - - if yaccdebug: - if n_srconflict == 1: - sys.stderr.write("yacc: %d shift/reduce conflict\n" % n_srconflict) - if n_srconflict > 1: - sys.stderr.write("yacc: %d shift/reduce conflicts\n" % n_srconflict) - if n_rrconflict == 1: - sys.stderr.write("yacc: %d reduce/reduce conflict\n" % n_rrconflict) - if n_rrconflict > 1: - sys.stderr.write("yacc: %d reduce/reduce conflicts\n" % n_rrconflict) - -# ----------------------------------------------------------------------------- -# ==== LR Utility functions ==== -# ----------------------------------------------------------------------------- - -# ----------------------------------------------------------------------------- -# _lr_write_tables() -# -# This function writes the LR parsing tables to a file -# ----------------------------------------------------------------------------- - -def lr_write_tables(modulename=tab_module,outputdir=''): - filename = os.path.join(outputdir,modulename) + ".py" - try: - f = open(filename,"w") - - f.write(""" -# %s -# This file is automatically generated. Do not edit. - -_lr_method = %s - -_lr_signature = %s -""" % (filename, repr(_lr_method), repr(Signature.digest()))) - - # Change smaller to 0 to go back to original tables - smaller = 1 - - # Factor out names to try and make smaller - if smaller: - items = { } - - for k,v in _lr_action.items(): - i = items.get(k[1]) - if not i: - i = ([],[]) - items[k[1]] = i - i[0].append(k[0]) - i[1].append(v) - - f.write("\n_lr_action_items = {") - for k,v in items.items(): - f.write("%r:([" % k) - for i in v[0]: - f.write("%r," % i) - f.write("],[") - for i in v[1]: - f.write("%r," % i) - - f.write("]),") - f.write("}\n") - - f.write(""" -_lr_action = { } -for _k, _v in _lr_action_items.items(): - for _x,_y in zip(_v[0],_v[1]): - _lr_action[(_x,_k)] = _y -del _lr_action_items -""") - - else: - f.write("\n_lr_action = { "); - for k,v in _lr_action.items(): - f.write("(%r,%r):%r," % (k[0],k[1],v)) - f.write("}\n"); - - if smaller: - # Factor out names to try and make smaller - items = { } - - for k,v in _lr_goto.items(): - i = items.get(k[1]) - if not i: - i = ([],[]) - items[k[1]] = i - i[0].append(k[0]) - i[1].append(v) - - f.write("\n_lr_goto_items = {") - for k,v in items.items(): - f.write("%r:([" % k) - for i in v[0]: - f.write("%r," % i) - f.write("],[") - for i in v[1]: - f.write("%r," % i) - - f.write("]),") - f.write("}\n") - - f.write(""" -_lr_goto = { } -for _k, _v in _lr_goto_items.items(): - for _x,_y in zip(_v[0],_v[1]): - _lr_goto[(_x,_k)] = _y -del _lr_goto_items -""") - else: - f.write("\n_lr_goto = { "); - for k,v in _lr_goto.items(): - f.write("(%r,%r):%r," % (k[0],k[1],v)) - f.write("}\n"); - - # Write production table - f.write("_lr_productions = [\n") - for p in Productions: - if p: - if (p.func): - f.write(" (%r,%d,%r,%r,%d),\n" % (p.name, p.len, p.func.__name__,p.file,p.line)) - else: - f.write(" (%r,%d,None,None,None),\n" % (p.name, p.len)) - else: - f.write(" None,\n") - f.write("]\n") - - f.close() - - except IOError,e: - print "Unable to create '%s'" % filename - print e - return - -def lr_read_tables(module=tab_module,optimize=0): - global _lr_action, _lr_goto, _lr_productions, _lr_method - try: - exec "import %s as parsetab" % module - - if (optimize) or (Signature.digest() == parsetab._lr_signature): - _lr_action = parsetab._lr_action - _lr_goto = parsetab._lr_goto - _lr_productions = parsetab._lr_productions - _lr_method = parsetab._lr_method - return 1 - else: - return 0 - - except (ImportError,AttributeError): - return 0 - - -# Available instance types. This is used when parsers are defined by a class. -# it's a little funky because I want to preserve backwards compatibility -# with Python 2.0 where types.ObjectType is undefined. - -try: - _INSTANCETYPE = (types.InstanceType, types.ObjectType) -except AttributeError: - _INSTANCETYPE = types.InstanceType - -# ----------------------------------------------------------------------------- -# yacc(module) -# -# Build the parser module -# ----------------------------------------------------------------------------- - -def yacc(method=default_lr, debug=yaccdebug, module=None, tabmodule=tab_module, start=None, check_recursion=1, optimize=0,write_tables=1,debugfile=debug_file,outputdir=''): - global yaccdebug - yaccdebug = debug - - initialize_vars() - files = { } - error = 0 - - - # Add parsing method to signature - Signature.update(method) - - # If a "module" parameter was supplied, extract its dictionary. - # Note: a module may in fact be an instance as well. - - if module: - # User supplied a module object. - if isinstance(module, types.ModuleType): - ldict = module.__dict__ - elif isinstance(module, _INSTANCETYPE): - _items = [(k,getattr(module,k)) for k in dir(module)] - ldict = { } - for i in _items: - ldict[i[0]] = i[1] - else: - raise ValueError,"Expected a module" - - else: - # No module given. We might be able to get information from the caller. - # Throw an exception and unwind the traceback to get the globals - - try: - raise RuntimeError - except RuntimeError: - e,b,t = sys.exc_info() - f = t.tb_frame - f = f.f_back # Walk out to our calling function - ldict = f.f_globals # Grab its globals dictionary - - # Add starting symbol to signature - if not start: - start = ldict.get("start",None) - if start: - Signature.update(start) - - # If running in optimized mode. We're going to - - if (optimize and lr_read_tables(tabmodule,1)): - # Read parse table - del Productions[:] - for p in _lr_productions: - if not p: - Productions.append(None) - else: - m = MiniProduction() - m.name = p[0] - m.len = p[1] - m.file = p[3] - m.line = p[4] - if p[2]: - m.func = ldict[p[2]] - Productions.append(m) - - else: - # Get the tokens map - if (module and isinstance(module,_INSTANCETYPE)): - tokens = getattr(module,"tokens",None) - else: - tokens = ldict.get("tokens",None) - - if not tokens: - raise YaccError,"module does not define a list 'tokens'" - if not (isinstance(tokens,types.ListType) or isinstance(tokens,types.TupleType)): - raise YaccError,"tokens must be a list or tuple." - - # Check to see if a requires dictionary is defined. - requires = ldict.get("require",None) - if requires: - if not (isinstance(requires,types.DictType)): - raise YaccError,"require must be a dictionary." - - for r,v in requires.items(): - try: - if not (isinstance(v,types.ListType)): - raise TypeError - v1 = [x.split(".") for x in v] - Requires[r] = v1 - except StandardError: - print "Invalid specification for rule '%s' in require. Expected a list of strings" % r - - - # Build the dictionary of terminals. We a record a 0 in the - # dictionary to track whether or not a terminal is actually - # used in the grammar - - if 'error' in tokens: - print "yacc: Illegal token 'error'. Is a reserved word." - raise YaccError,"Illegal token name" - - for n in tokens: - if Terminals.has_key(n): - print "yacc: Warning. Token '%s' multiply defined." % n - Terminals[n] = [ ] - - Terminals['error'] = [ ] - - # Get the precedence map (if any) - prec = ldict.get("precedence",None) - if prec: - if not (isinstance(prec,types.ListType) or isinstance(prec,types.TupleType)): - raise YaccError,"precedence must be a list or tuple." - add_precedence(prec) - Signature.update(repr(prec)) - - for n in tokens: - if not Precedence.has_key(n): - Precedence[n] = ('right',0) # Default, right associative, 0 precedence - - # Look for error handler - ef = ldict.get('p_error',None) - if ef: - if isinstance(ef,types.FunctionType): - ismethod = 0 - elif isinstance(ef, types.MethodType): - ismethod = 1 - else: - raise YaccError,"'p_error' defined, but is not a function or method." - eline = ef.func_code.co_firstlineno - efile = ef.func_code.co_filename - files[efile] = None - - if (ef.func_code.co_argcount != 1+ismethod): - raise YaccError,"%s:%d: p_error() requires 1 argument." % (efile,eline) - global Errorfunc - Errorfunc = ef - else: - print "yacc: Warning. no p_error() function is defined." - - # Get the list of built-in functions with p_ prefix - symbols = [ldict[f] for f in ldict.keys() - if (type(ldict[f]) in (types.FunctionType, types.MethodType) and ldict[f].__name__[:2] == 'p_' - and ldict[f].__name__ != 'p_error')] - - # Check for non-empty symbols - if len(symbols) == 0: - raise YaccError,"no rules of the form p_rulename are defined." - - # Sort the symbols by line number - symbols.sort(lambda x,y: cmp(x.func_code.co_firstlineno,y.func_code.co_firstlineno)) - - # Add all of the symbols to the grammar - for f in symbols: - if (add_function(f)) < 0: - error += 1 - else: - files[f.func_code.co_filename] = None - - # Make a signature of the docstrings - for f in symbols: - if f.__doc__: - Signature.update(f.__doc__) - - lr_init_vars() - - if error: - raise YaccError,"Unable to construct parser." - - if not lr_read_tables(tabmodule): - - # Validate files - for filename in files.keys(): - if not validate_file(filename): - error = 1 - - # Validate dictionary - validate_dict(ldict) - - if start and not Prodnames.has_key(start): - raise YaccError,"Bad starting symbol '%s'" % start - - augment_grammar(start) - error = verify_productions(cycle_check=check_recursion) - otherfunc = [ldict[f] for f in ldict.keys() - if (type(f) in (types.FunctionType,types.MethodType) and ldict[f].__name__[:2] != 'p_')] - - if error: - raise YaccError,"Unable to construct parser." - - build_lritems() - compute_first1() - compute_follow(start) - - if method in ['SLR','LALR']: - lr_parse_table(method) - else: - raise YaccError, "Unknown parsing method '%s'" % method - - if write_tables: - lr_write_tables(tabmodule,outputdir) - - if yaccdebug: - try: - f = open(os.path.join(outputdir,debugfile),"w") - f.write(_vfc.getvalue()) - f.write("\n\n") - f.write(_vf.getvalue()) - f.close() - except IOError,e: - print "yacc: can't create '%s'" % debugfile,e - - # Made it here. Create a parser object and set up its internal state. - # Set global parse() method to bound method of parser object. - - p = Parser("xyzzy") - p.productions = Productions - p.errorfunc = Errorfunc - p.action = _lr_action - p.goto = _lr_goto - p.method = _lr_method - p.require = Requires - - global parse - parse = p.parse - - global parser - parser = p - - # Clean up all of the globals we created - if (not optimize): - yacc_cleanup() - return p - -# yacc_cleanup function. Delete all of the global variables -# used during table construction - -def yacc_cleanup(): - global _lr_action, _lr_goto, _lr_method, _lr_goto_cache - del _lr_action, _lr_goto, _lr_method, _lr_goto_cache - - global Productions, Prodnames, Prodmap, Terminals - global Nonterminals, First, Follow, Precedence, LRitems - global Errorfunc, Signature, Requires - - del Productions, Prodnames, Prodmap, Terminals - del Nonterminals, First, Follow, Precedence, LRitems - del Errorfunc, Signature, Requires - - global _vf, _vfc - del _vf, _vfc - - -# Stub that raises an error if parsing is attempted without first calling yacc() -def parse(*args,**kwargs): - raise YaccError, "yacc: No parser built with yacc()" - diff --git a/chall/ply-2.2/doc/makedoc.py b/chall/ply-2.2/doc/makedoc.py deleted file mode 100644 index 415a53a..0000000 --- a/chall/ply-2.2/doc/makedoc.py +++ /dev/null @@ -1,194 +0,0 @@ -#!/usr/local/bin/python - -############################################################################### -# Takes a chapter as input and adds internal links and numbering to all -# of the H1, H2, H3, H4 and H5 sections. -# -# Every heading HTML tag (H1, H2 etc) is given an autogenerated name to link -# to. However, if the name is not an autogenerated name from a previous run, -# it will be kept. If it is autogenerated, it might change on subsequent runs -# of this program. Thus if you want to create links to one of the headings, -# then change the heading link name to something that does not look like an -# autogenerated link name. -############################################################################### - -import sys -import re -import string - -############################################################################### -# Functions -############################################################################### - -# Regexs for -alink = re.compile(r"", re.IGNORECASE) -heading = re.compile(r"(_nn\d)", re.IGNORECASE) - -def getheadingname(m): - autogeneratedheading = True; - if m.group(1) != None: - amatch = alink.match(m.group(1)) - if amatch: - # A non-autogenerated heading - keep it - headingname = amatch.group(1) - autogeneratedheading = heading.match(headingname) - if autogeneratedheading: - # The heading name was either non-existent or autogenerated, - # We can create a new heading / change the existing heading - headingname = "%s_nn%d" % (filenamebase, nameindex) - return headingname - -############################################################################### -# Main program -############################################################################### - -if len(sys.argv) != 2: - print "usage: makedoc.py filename" - sys.exit(1) - -filename = sys.argv[1] -filenamebase = string.split(filename,".")[0] - -section = 0 -subsection = 0 -subsubsection = 0 -subsubsubsection = 0 -nameindex = 0 - -name = "" - -# Regexs for

,...

sections - -h1 = re.compile(r".*?

()*[\d\.\s]*(.*?)

", re.IGNORECASE) -h2 = re.compile(r".*?

()*[\d\.\s]*(.*?)

", re.IGNORECASE) -h3 = re.compile(r".*?

()*[\d\.\s]*(.*?)

", re.IGNORECASE) -h4 = re.compile(r".*?

()*[\d\.\s]*(.*?)

", re.IGNORECASE) -h5 = re.compile(r".*?
()*[\d\.\s]*(.*?)
", re.IGNORECASE) - -data = open(filename).read() # Read data -open(filename+".bak","w").write(data) # Make backup - -lines = data.splitlines() -result = [ ] # This is the result of postprocessing the file -index = "\n
\n" # index contains the index for adding at the top of the file. Also printed to stdout. - -skip = 0 -skipspace = 0 - -for s in lines: - if s == "": - if not skip: - result.append("@INDEX@") - skip = 1 - else: - skip = 0 - continue; - if skip: - continue - - if not s and skipspace: - continue - - if skipspace: - result.append("") - result.append("") - skipspace = 0 - - m = h2.match(s) - if m: - prevheadingtext = m.group(2) - nameindex += 1 - section += 1 - headingname = getheadingname(m) - result.append("""

%d. %s

""" % (headingname,section, prevheadingtext)) - - if subsubsubsection: - index += "\n" - if subsubsection: - index += "\n" - if subsection: - index += "\n" - if section == 1: - index += "
    \n" - - index += """
  • %s\n""" % (headingname,prevheadingtext) - subsection = 0 - subsubsection = 0 - subsubsubsection = 0 - skipspace = 1 - continue - m = h3.match(s) - if m: - prevheadingtext = m.group(2) - nameindex += 1 - subsection += 1 - headingname = getheadingname(m) - result.append("""

    %d.%d %s

    """ % (headingname,section, subsection, prevheadingtext)) - - if subsubsubsection: - index += "
\n" - if subsubsection: - index += "\n" - if subsection == 1: - index += "
    \n" - - index += """
  • %s\n""" % (headingname,prevheadingtext) - subsubsection = 0 - skipspace = 1 - continue - m = h4.match(s) - if m: - prevheadingtext = m.group(2) - nameindex += 1 - subsubsection += 1 - subsubsubsection = 0 - headingname = getheadingname(m) - result.append("""

    %d.%d.%d %s

    """ % (headingname,section, subsection, subsubsection, prevheadingtext)) - - if subsubsubsection: - index += "
\n" - if subsubsection == 1: - index += "
    \n" - - index += """
  • %s\n""" % (headingname,prevheadingtext) - skipspace = 1 - continue - m = h5.match(s) - if m: - prevheadingtext = m.group(2) - nameindex += 1 - subsubsubsection += 1 - headingname = getheadingname(m) - result.append("""
    %d.%d.%d.%d %s
    """ % (headingname,section, subsection, subsubsection, subsubsubsection, prevheadingtext)) - - if subsubsubsection == 1: - index += "
      \n" - - index += """
    • %s\n""" % (headingname,prevheadingtext) - skipspace = 1 - continue - - result.append(s) - -if subsubsubsection: - index += "
    \n" - -if subsubsection: - index += "
\n" - -if subsection: - index += "\n" - -if section: - index += "\n" - -index += "
\n\n" - -data = "\n".join(result) - -data = data.replace("@INDEX@",index) + "\n"; - -# Write the file back out -open(filename,"w").write(data) - - diff --git a/chall/ply-2.2/doc/ply.html b/chall/ply-2.2/doc/ply.html deleted file mode 100644 index b3219ea..0000000 --- a/chall/ply-2.2/doc/ply.html +++ /dev/null @@ -1,2874 +0,0 @@ - - -PLY (Python Lex-Yacc) - - - -

PLY (Python Lex-Yacc)

- - -David M. Beazley
-dave@dabeaz.com
- - -

-PLY Version: 2.2 -

- - -

- -
- - - - - - - -

1. Introduction

- - -PLY is a pure-Python implementation of the popular compiler -construction tools lex and yacc. The main goal of PLY is to stay -fairly faithful to the way in which traditional lex/yacc tools work. -This includes supporting LALR(1) parsing as well as providing -extensive input validation, error reporting, and diagnostics. Thus, -if you've used yacc in another programming language, it should be -relatively straightforward to use PLY. - -

-Early versions of PLY were developed to support an Introduction to -Compilers Course I taught in 2001 at the University of Chicago. In this course, -students built a fully functional compiler for a simple Pascal-like -language. Their compiler, implemented entirely in Python, had to -include lexical analysis, parsing, type checking, type inference, -nested scoping, and code generation for the SPARC processor. -Approximately 30 different compiler implementations were completed in -this course. Most of PLY's interface and operation has been influenced by common -usability problems encountered by students. - -

-Since PLY was primarily developed as an instructional tool, you will -find it to be fairly picky about token and grammar rule -specification. In part, this -added formality is meant to catch common programming mistakes made by -novice users. However, advanced users will also find such features to -be useful when building complicated grammars for real programming -languages. It should also be noted that PLY does not provide much in -the way of bells and whistles (e.g., automatic construction of -abstract syntax trees, tree traversal, etc.). Nor would I consider it -to be a parsing framework. Instead, you will find a bare-bones, yet -fully capable lex/yacc implementation written entirely in Python. - -

-The rest of this document assumes that you are somewhat familar with -parsing theory, syntax directed translation, and the use of compiler -construction tools such as lex and yacc in other programming -languages. If you are unfamilar with these topics, you will probably -want to consult an introductory text such as "Compilers: Principles, -Techniques, and Tools", by Aho, Sethi, and Ullman. O'Reilly's "Lex -and Yacc" by John Levine may also be handy. In fact, the O'Reilly book can be -used as a reference for PLY as the concepts are virtually identical. - -

2. PLY Overview

- - -PLY consists of two separate modules; lex.py and -yacc.py, both of which are found in a Python package -called ply. The lex.py module is used to break input text into a -collection of tokens specified by a collection of regular expression -rules. yacc.py is used to recognize language syntax that has -been specified in the form of a context free grammar. yacc.py uses LR parsing and generates its parsing tables -using either the LALR(1) (the default) or SLR table generation algorithms. - -

-The two tools are meant to work together. Specifically, -lex.py provides an external interface in the form of a -token() function that returns the next valid token on the -input stream. yacc.py calls this repeatedly to retrieve -tokens and invoke grammar rules. The output of yacc.py is -often an Abstract Syntax Tree (AST). However, this is entirely up to -the user. If desired, yacc.py can also be used to implement -simple one-pass compilers. - -

-Like its Unix counterpart, yacc.py provides most of the -features you expect including extensive error checking, grammar -validation, support for empty productions, error tokens, and ambiguity -resolution via precedence rules. In fact, everything that is possible in traditional yacc -should be supported in PLY. - -

-The primary difference between -yacc.py and Unix yacc is that yacc.py -doesn't involve a separate code-generation process. -Instead, PLY relies on reflection (introspection) -to build its lexers and parsers. Unlike traditional lex/yacc which -require a special input file that is converted into a separate source -file, the specifications given to PLY are valid Python -programs. This means that there are no extra source files nor is -there a special compiler construction step (e.g., running yacc to -generate Python code for the compiler). Since the generation of the -parsing tables is relatively expensive, PLY caches the results and -saves them to a file. If no changes are detected in the input source, -the tables are read from the cache. Otherwise, they are regenerated. - -

3. Lex

- - -lex.py is used to tokenize an input string. For example, suppose -you're writing a programming language and a user supplied the following input string: - -
-
-x = 3 + 42 * (s - t)
-
-
- -A tokenizer splits the string into individual tokens - -
-
-'x','=', '3', '+', '42', '*', '(', 's', '-', 't', ')'
-
-
- -Tokens are usually given names to indicate what they are. For example: - -
-
-'ID','EQUALS','NUMBER','PLUS','NUMBER','TIMES',
-'LPAREN','ID','MINUS','ID','RPAREN'
-
-
- -More specifically, the input is broken into pairs of token types and values. For example: - -
-
-('ID','x'), ('EQUALS','='), ('NUMBER','3'), 
-('PLUS','+'), ('NUMBER','42), ('TIMES','*'),
-('LPAREN','('), ('ID','s'), ('MINUS','-'),
-('ID','t'), ('RPAREN',')'
-
-
- -The identification of tokens is typically done by writing a series of regular expression -rules. The next section shows how this is done using lex.py. - -

3.1 Lex Example

- - -The following example shows how lex.py is used to write a simple tokenizer. - -
-
-# ------------------------------------------------------------
-# calclex.py
-#
-# tokenizer for a simple expression evaluator for
-# numbers and +,-,*,/
-# ------------------------------------------------------------
-import ply.lex as lex
-
-# List of token names.   This is always required
-tokens = (
-   'NUMBER',
-   'PLUS',
-   'MINUS',
-   'TIMES',
-   'DIVIDE',
-   'LPAREN',
-   'RPAREN',
-)
-
-# Regular expression rules for simple tokens
-t_PLUS    = r'\+'
-t_MINUS   = r'-'
-t_TIMES   = r'\*'
-t_DIVIDE  = r'/'
-t_LPAREN  = r'\('
-t_RPAREN  = r'\)'
-
-# A regular expression rule with some action code
-def t_NUMBER(t):
-    r'\d+'
-    try:
-         t.value = int(t.value)    
-    except ValueError:
-         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
-	 t.value = 0
-    return t
-
-# Define a rule so we can track line numbers
-def t_newline(t):
-    r'\n+'
-    t.lexer.lineno += len(t.value)
-
-# A string containing ignored characters (spaces and tabs)
-t_ignore  = ' \t'
-
-# Error handling rule
-def t_error(t):
-    print "Illegal character '%s'" % t.value[0]
-    t.lexer.skip(1)
-
-# Build the lexer
-lex.lex()
-
-
-
-To use the lexer, you first need to feed it some input text using its input() method. After that, repeated calls to token() produce tokens. The following code shows how this works: - -
-
-
-# Test it out
-data = '''
-3 + 4 * 10
-  + -20 *2
-'''
-
-# Give the lexer some input
-lex.input(data)
-
-# Tokenize
-while 1:
-    tok = lex.token()
-    if not tok: break      # No more input
-    print tok
-
-
- -When executed, the example will produce the following output: - -
-
-$ python example.py
-LexToken(NUMBER,3,2,1)
-LexToken(PLUS,'+',2,3)
-LexToken(NUMBER,4,2,5)
-LexToken(TIMES,'*',2,7)
-LexToken(NUMBER,10,2,10)
-LexToken(PLUS,'+',3,14)
-LexToken(MINUS,'-',3,16)
-LexToken(NUMBER,20,3,18)
-LexToken(TIMES,'*',3,20)
-LexToken(NUMBER,2,3,21)
-
-
- -The tokens returned by lex.token() are instances -of LexToken. This object has -attributes tok.type, tok.value, -tok.lineno, and tok.lexpos. The following code shows an example of -accessing these attributes: - -
-
-# Tokenize
-while 1:
-    tok = lex.token()
-    if not tok: break      # No more input
-    print tok.type, tok.value, tok.line, tok.lexpos
-
-
- -The tok.type and tok.value attributes contain the -type and value of the token itself. -tok.line and tok.lexpos contain information about -the location of the token. tok.lexpos is the index of the -token relative to the start of the input text. - -

3.2 The tokens list

- - -All lexers must provide a list tokens that defines all of the possible token -names that can be produced by the lexer. This list is always required -and is used to perform a variety of validation checks. The tokens list is also used by the -yacc.py module to identify terminals. - -

-In the example, the following code specified the token names: - -

-
-tokens = (
-   'NUMBER',
-   'PLUS',
-   'MINUS',
-   'TIMES',
-   'DIVIDE',
-   'LPAREN',
-   'RPAREN',
-)
-
-
- -

3.3 Specification of tokens

- - -Each token is specified by writing a regular expression rule. Each of these rules are -are defined by making declarations with a special prefix t_ to indicate that it -defines a token. For simple tokens, the regular expression can -be specified as strings such as this (note: Python raw strings are used since they are the -most convenient way to write regular expression strings): - -
-
-t_PLUS = r'\+'
-
-
- -In this case, the name following the t_ must exactly match one of the -names supplied in tokens. If some kind of action needs to be performed, -a token rule can be specified as a function. For example, this rule matches numbers and -converts the string into a Python integer. - -
-
-def t_NUMBER(t):
-    r'\d+'
-    try:
-         t.value = int(t.value)
-    except ValueError:
-         print "Number %s is too large!" % t.value
-	 t.value = 0
-    return t
-
-
- -When a function is used, the regular expression rule is specified in the function documentation string. -The function always takes a single argument which is an instance of -LexToken. This object has attributes of t.type which is the token type (as a string), -t.value which is the lexeme (the actual text matched), t.lineno which is the current line number, and t.lexpos which -is the position of the token relative to the beginning of the input text. -By default, t.type is set to the name following the t_ prefix. The action -function can modify the contents of the LexToken object as appropriate. However, -when it is done, the resulting token should be returned. If no value is returned by the action -function, the token is simply discarded and the next token read. - -

-Internally, lex.py uses the re module to do its patten matching. When building the master regular expression, -rules are added in the following order: -

-

    -
  1. All tokens defined by functions are added in the same order as they appear in the lexer file. -
  2. Tokens defined by strings are added next by sorting them in order of decreasing regular expression length (longer expressions -are added first). -
-

-Without this ordering, it can be difficult to correctly match certain types of tokens. For example, if you -wanted to have separate tokens for "=" and "==", you need to make sure that "==" is checked first. By sorting regular -expressions in order of decreasing length, this problem is solved for rules defined as strings. For functions, -the order can be explicitly controlled since rules appearing first are checked first. - -

-To handle reserved words, it is usually easier to just match an identifier and do a special name lookup in a function -like this: - -

-
-reserved = {
-   'if' : 'IF',
-   'then' : 'THEN',
-   'else' : 'ELSE',
-   'while' : 'WHILE',
-   ...
-}
-
-def t_ID(t):
-    r'[a-zA-Z_][a-zA-Z_0-9]*'
-    t.type = reserved.get(t.value,'ID')    # Check for reserved words
-    return t
-
-
- -This approach greatly reduces the number of regular expression rules and is likely to make things a little faster. - -

-Note: You should avoid writing individual rules for reserved words. For example, if you write rules like this, - -

-
-t_FOR   = r'for'
-t_PRINT = r'print'
-
-
- -those rules will be triggered for identifiers that include those words as a prefix such as "forget" or "printed". This is probably not -what you want. - -

3.4 Token values

- - -When tokens are returned by lex, they have a value that is stored in the value attribute. Normally, the value is the text -that was matched. However, the value can be assigned to any Python object. For instance, when lexing identifiers, you may -want to return both the identifier name and information from some sort of symbol table. To do this, you might write a rule like this: - -
-
-def t_ID(t):
-    ...
-    # Look up symbol table information and return a tuple
-    t.value = (t.value, symbol_lookup(t.value))
-    ...
-    return t
-
-
- -It is important to note that storing data in other attribute names is not recommended. The yacc.py module only exposes the -contents of the value attribute. Thus, accessing other attributes may be unnecessarily awkward. - -

3.5 Discarded tokens

- - -To discard a token, such as a comment, simply define a token rule that returns no value. For example: - -
-
-def t_COMMENT(t):
-    r'\#.*'
-    pass
-    # No return value. Token discarded
-
-
- -Alternatively, you can include the prefix "ignore_" in the token declaration to force a token to be ignored. For example: - -
-
-t_ignore_COMMENT = r'\#.*'
-
-
- -Be advised that if you are ignoring many different kinds of text, you may still want to use functions since these provide more precise -control over the order in which regular expressions are matched (i.e., functions are matched in order of specification whereas strings are -sorted by regular expression length). - -

3.6 Line numbers and positional information

- - -

By default, lex.py knows nothing about line numbers. This is because lex.py doesn't know anything -about what constitutes a "line" of input (e.g., the newline character or even if the input is textual data). -To update this information, you need to write a special rule. In the example, the t_newline() rule shows how to do this. - -

-
-# Define a rule so we can track line numbers
-def t_newline(t):
-    r'\n+'
-    t.lexer.lineno += len(t.value)
-
-
-Within the rule, the lineno attribute of the underlying lexer t.lexer is updated. -After the line number is updated, the token is simply discarded since nothing is returned. - -

-lex.py does not perform and kind of automatic column tracking. However, it does record positional -information related to each token in the lexpos attribute. Using this, it is usually possible to compute -column information as a separate step. For instance, just count backwards until you reach a newline. - -

-
-# Compute column. 
-#     input is the input text string
-#     token is a token instance
-def find_column(input,token):
-    i = token.lexpos
-    while i > 0:
-        if input[i] == '\n': break
-        i -= 1
-    column = (token.lexpos - i)+1
-    return column
-
-
- -Since column information is often only useful in the context of error handling, calculating the column -position can be performed when needed as opposed to doing it for each token. - -

3.7 Ignored characters

- - -

-The special t_ignore rule is reserved by lex.py for characters -that should be completely ignored in the input stream. -Usually this is used to skip over whitespace and other non-essential characters. -Although it is possible to define a regular expression rule for whitespace in a manner -similar to t_newline(), the use of t_ignore provides substantially better -lexing performance because it is handled as a special case and is checked in a much -more efficient manner than the normal regular expression rules. - -

3.8 Literal characters

- - -

-Literal characters can be specified by defining a variable literals in your lexing module. For example: - -

-
-literals = [ '+','-','*','/' ]
-
-
- -or alternatively - -
-
-literals = "+-*/"
-
-
- -A literal character is simply a single character that is returned "as is" when encountered by the lexer. Literals are checked -after all of the defined regular expression rules. Thus, if a rule starts with one of the literal characters, it will always -take precedence. -

-When a literal token is returned, both its type and value attributes are set to the character itself. For example, '+'. - -

3.9 Error handling

- - -

-Finally, the t_error() -function is used to handle lexing errors that occur when illegal -characters are detected. In this case, the t.value attribute contains the -rest of the input string that has not been tokenized. In the example, the error function -was defined as follows: - -

-
-# Error handling rule
-def t_error(t):
-    print "Illegal character '%s'" % t.value[0]
-    t.lexer.skip(1)
-
-
- -In this case, we simply print the offending character and skip ahead one character by calling t.lexer.skip(1). - -

3.10 Building and using the lexer

- - -

-To build the lexer, the function lex.lex() is used. This function -uses Python reflection (or introspection) to read the the regular expression rules -out of the calling context and build the lexer. Once the lexer has been built, two functions can -be used to control the lexer. - -

    -
  • lex.input(data). Reset the lexer and store a new input string. -
  • lex.token(). Return the next token. Returns a special LexToken instance on success or -None if the end of the input text has been reached. -
- -If desired, the lexer can also be used as an object. The lex() returns a Lexer object that -can be used for this purpose. For example: - -
-
-lexer = lex.lex()
-lexer.input(sometext)
-while 1:
-    tok = lexer.token()
-    if not tok: break
-    print tok
-
-
- -

-This latter technique should be used if you intend to use multiple lexers in your application. Simply define each -lexer in its own module and use the object returned by lex() as appropriate. - -

-Note: The global functions lex.input() and lex.token() are bound to the input() -and token() methods of the last lexer created by the lex module. - -

3.11 The @TOKEN decorator

- - -In some applications, you may want to define build tokens from as a series of -more complex regular expression rules. For example: - -
-
-digit            = r'([0-9])'
-nondigit         = r'([_A-Za-z])'
-identifier       = r'(' + nondigit + r'(' + digit + r'|' + nondigit + r')*)'        
-
-def t_ID(t):
-    # want docstring to be identifier above. ?????
-    ...
-
-
- -In this case, we want the regular expression rule for ID to be one of the variables above. However, there is no -way to directly specify this using a normal documentation string. To solve this problem, you can use the @TOKEN -decorator. For example: - -
-
-from ply.lex import TOKEN
-
-@TOKEN(identifier)
-def t_ID(t):
-    ...
-
-
- -This will attach identifier to the docstring for t_ID() allowing lex.py to work normally. An alternative -approach this problem is to set the docstring directly like this: - -
-
-def t_ID(t):
-    ...
-
-t_ID.__doc__ = identifier
-
-
- -NOTE: Use of @TOKEN requires Python-2.4 or newer. If you're concerned about backwards compatibility with older -versions of Python, use the alternative approach of setting the docstring directly. - -

3.12 Optimized mode

- - -For improved performance, it may be desirable to use Python's -optimized mode (e.g., running Python with the -O -option). However, doing so causes Python to ignore documentation -strings. This presents special problems for lex.py. To -handle this case, you can create your lexer using -the optimize option as follows: - -
-
-lexer = lex.lex(optimize=1)
-
-
- -Next, run Python in its normal operating mode. When you do -this, lex.py will write a file called lextab.py to -the current directory. This file contains all of the regular -expression rules and tables used during lexing. On subsequent -executions, -lextab.py will simply be imported to build the lexer. This -approach substantially improves the startup time of the lexer and it -works in Python's optimized mode. - -

-To change the name of the lexer-generated file, use the lextab keyword argument. For example: - -

-
-lexer = lex.lex(optimize=1,lextab="footab")
-
-
- -When running in optimized mode, it is important to note that lex disables most error checking. Thus, this is really only recommended -if you're sure everything is working correctly and you're ready to start releasing production code. - -

3.13 Debugging

- - -For the purpose of debugging, you can run lex() in a debugging mode as follows: - -
-
-lexer = lex.lex(debug=1)
-
-
- -This will result in a large amount of debugging information to be printed including all of the added rules and the master -regular expressions. - -In addition, lex.py comes with a simple main function which -will either tokenize input read from standard input or from a file specified -on the command line. To use it, simply put this in your lexer: - -
-
-if __name__ == '__main__':
-     lex.runmain()
-
-
- -

3.14 Alternative specification of lexers

- - -As shown in the example, lexers are specified all within one Python module. If you want to -put token rules in a different module from the one in which you invoke lex(), use the -module keyword argument. - -

-For example, you might have a dedicated module that just contains -the token rules: - -

-
-# module: tokrules.py
-# This module just contains the lexing rules
-
-# List of token names.   This is always required
-tokens = (
-   'NUMBER',
-   'PLUS',
-   'MINUS',
-   'TIMES',
-   'DIVIDE',
-   'LPAREN',
-   'RPAREN',
-)
-
-# Regular expression rules for simple tokens
-t_PLUS    = r'\+'
-t_MINUS   = r'-'
-t_TIMES   = r'\*'
-t_DIVIDE  = r'/'
-t_LPAREN  = r'\('
-t_RPAREN  = r'\)'
-
-# A regular expression rule with some action code
-def t_NUMBER(t):
-    r'\d+'
-    try:
-         t.value = int(t.value)    
-    except ValueError:
-         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
-	 t.value = 0
-    return t
-
-# Define a rule so we can track line numbers
-def t_newline(t):
-    r'\n+'
-    t.lexer.lineno += len(t.value)
-
-# A string containing ignored characters (spaces and tabs)
-t_ignore  = ' \t'
-
-# Error handling rule
-def t_error(t):
-    print "Illegal character '%s'" % t.value[0]
-    t.lexer.skip(1)
-
-
- -Now, if you wanted to build a tokenizer from these rules from within a different module, you would do the following (shown for Python interactive mode): - -
-
->>> import tokrules
->>> lexer = lex.lex(module=tokrules)
->>> lexer.input("3 + 4")
->>> lexer.token()
-LexToken(NUMBER,3,1,1,0)
->>> lexer.token()
-LexToken(PLUS,'+',1,2)
->>> lexer.token()
-LexToken(NUMBER,4,1,4)
->>> lexer.token()
-None
->>>
-
-
- -The object option can be used to define lexers as a class instead of a module. For example: - -
-
-import ply.lex as lex
-
-class MyLexer:
-    # List of token names.   This is always required
-    tokens = (
-       'NUMBER',
-       'PLUS',
-       'MINUS',
-       'TIMES',
-       'DIVIDE',
-       'LPAREN',
-       'RPAREN',
-    )
-
-    # Regular expression rules for simple tokens
-    t_PLUS    = r'\+'
-    t_MINUS   = r'-'
-    t_TIMES   = r'\*'
-    t_DIVIDE  = r'/'
-    t_LPAREN  = r'\('
-    t_RPAREN  = r'\)'
-
-    # A regular expression rule with some action code
-    # Note addition of self parameter since we're in a class
-    def t_NUMBER(self,t):
-        r'\d+'
-        try:
-             t.value = int(t.value)    
-        except ValueError:
-             print "Line %d: Number %s is too large!" % (t.lineno,t.value)
-             t.value = 0
-        return t
-
-    # Define a rule so we can track line numbers
-    def t_newline(self,t):
-        r'\n+'
-        t.lexer.lineno += len(t.value)
-
-    # A string containing ignored characters (spaces and tabs)
-    t_ignore  = ' \t'
-
-    # Error handling rule
-    def t_error(self,t):
-        print "Illegal character '%s'" % t.value[0]
-        t.lexer.skip(1)
-
-    # Build the lexer
-    def build(self,**kwargs):
-        self.lexer = lex.lex(object=self, **kwargs)
-    
-    # Test it output
-    def test(self,data):
-        self.lexer.input(data)
-        while 1:
-             tok = lexer.token()
-             if not tok: break
-             print tok
-
-# Build the lexer and try it out
-m = MyLexer()
-m.build()           # Build the lexer
-m.test("3 + 4")     # Test it
-
-
- -For reasons that are subtle, you should NOT invoke lex.lex() inside the __init__() method of your class. If you -do, it may cause bizarre behavior if someone tries to duplicate a lexer object. Keep reading. - -

3.15 Maintaining state

- - -In your lexer, you may want to maintain a variety of state information. This might include mode settings, symbol tables, and other details. There are a few -different ways to handle this situation. First, you could just keep some global variables: - -
-
-num_count = 0
-def t_NUMBER(t):
-    r'\d+'
-    global num_count
-    num_count += 1
-    try:
-         t.value = int(t.value)    
-    except ValueError:
-         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
-	 t.value = 0
-    return t
-
-
- -Alternatively, you can store this information inside the Lexer object created by lex(). To this, you can use the lexer attribute -of tokens passed to the various rules. For example: - -
-
-def t_NUMBER(t):
-    r'\d+'
-    t.lexer.num_count += 1     # Note use of lexer attribute
-    try:
-         t.value = int(t.value)    
-    except ValueError:
-         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
-	 t.value = 0
-    return t
-
-lexer = lex.lex()
-lexer.num_count = 0            # Set the initial count
-
-
- -This latter approach has the advantage of storing information inside -the lexer itself---something that may be useful if multiple instances -of the same lexer have been created. However, it may also feel kind -of "hacky" to the purists. Just to put their mind at some ease, all -internal attributes of the lexer (with the exception of lineno) have names that are prefixed -by lex (e.g., lexdata,lexpos, etc.). Thus, -it should be perfectly safe to store attributes in the lexer that -don't have names starting with that prefix. - -

-A third approach is to define the lexer as a class as shown in the previous example: - -

-
-class MyLexer:
-    ...
-    def t_NUMBER(self,t):
-        r'\d+'
-        self.num_count += 1
-        try:
-             t.value = int(t.value)    
-        except ValueError:
-             print "Line %d: Number %s is too large!" % (t.lineno,t.value)
-             t.value = 0
-        return t
-
-    def build(self, **kwargs):
-        self.lexer = lex.lex(object=self,**kwargs)
-
-    def __init__(self):
-        self.num_count = 0
-
-# Create a lexer 
-m = MyLexer()
-lexer = lex.lex(object=m)
-
-
- -The class approach may be the easiest to manage if your application is going to be creating multiple instances of the same lexer and -you need to manage a lot of state. - -

3.16 Duplicating lexers

- - -NOTE: I am thinking about deprecating this feature. Post comments on ply-hack@googlegroups.com or send me a private email at dave@dabeaz.com. - -

-If necessary, a lexer object can be quickly duplicated by invoking its clone() method. For example: - -

-
-lexer = lex.lex()
-...
-newlexer = lexer.clone()
-
-
- -When a lexer is cloned, the copy is identical to the original lexer, -including any input text. However, once created, different text can be -fed to the clone which can be used independently. This capability may -be useful in situations when you are writing a parser/compiler that -involves recursive or reentrant processing. For instance, if you -needed to scan ahead in the input for some reason, you could create a -clone and use it to look ahead. - -

-The advantage of using clone() instead of reinvoking lex() is -that it is significantly faster. Namely, it is not necessary to re-examine all of the -token rules, build a regular expression, and construct internal tables. All of this -information can simply be reused in the new lexer. - -

-Special considerations need to be made when cloning a lexer that is defined as a class. Previous sections -showed an example of a class MyLexer. If you have the following code: - -

-
-m = MyLexer()
-a = lex.lex(object=m)      # Create a lexer
-
-b = a.clone()              # Clone the lexer
-
-
- -Then both a and b are going to be bound to the same -object m. If the object m contains internal state -related to lexing, this sharing may lead to quite a bit of confusion. To fix this, -the clone() method accepts an optional argument that can be used to supply a new object. This -can be used to clone the lexer and bind it to a new instance. For example: - -
-
-m = MyLexer()              # Create a lexer
-a = lex.lex(object=m)
-
-# Create a clone 
-n = MyLexer()              # New instance of MyLexer
-b = a.clone(n)             # New lexer bound to n
-
-
- -It may make sense to encapsulate all of this inside a method: - -
-
-class MyLexer:
-     ...
-     def clone(self):
-         c = MyLexer()        # Create a new instance of myself
-         # Copy attributes from self to c as appropriate
-         ...
-         # Clone the lexer
-         c.lexer = self.lexer.clone(c)
-         return c
-
-
- -The fact that a new instance of MyLexer may be created while cloning a lexer is the reason why you should never -invoke lex.lex() inside __init__(). If you do, the lexer will be rebuilt from scratch and you lose -all of the performance benefits of using clone() in the first place. - -

3.17 Internal lexer state

- - -A Lexer object lexer has a number of internal attributes that may be useful in certain -situations. - -

-lexer.lexpos -

-This attribute is an integer that contains the current position within the input text. If you modify -the value, it will change the result of the next call to token(). Within token rule functions, this points -to the first character after the matched text. If the value is modified within a rule, the next returned token will be -matched at the new position. -
- -

-lexer.lineno -

-The current value of the line number attribute stored in the lexer. This can be modified as needed to -change the line number. -
- -

-lexer.lexdata -

-The current input text stored in the lexer. This is the string passed with the input() method. It -would probably be a bad idea to modify this unless you really know what you're doing. -
- -

-lexer.lexmatch -

-This is the raw Match object returned by the Python re.match() function (used internally by PLY) for the -current token. If you have written a regular expression that contains named groups, you can use this to retrieve those values. -
- -

3.18 Conditional lexing and start conditions

- - -In advanced parsing applications, it may be useful to have different -lexing states. For instance, you may want the occurrence of a certain -token or syntactic construct to trigger a different kind of lexing. -PLY supports a feature that allows the underlying lexer to be put into -a series of different states. Each state can have its own tokens, -lexing rules, and so forth. The implementation is based largely on -the "start condition" feature of GNU flex. Details of this can be found -at http://www.gnu.org/software/flex/manual/html_chapter/flex_11.html.. - -

-To define a new lexing state, it must first be declared. This is done by including a "states" declaration in your -lex file. For example: - -

-
-states = (
-   ('foo','exclusive'),
-   ('bar','inclusive'),
-)
-
-
- -This declaration declares two states, 'foo' -and 'bar'. States may be of two types; 'exclusive' -and 'inclusive'. An exclusive state completely overrides the -default behavior of the lexer. That is, lex will only return tokens -and apply rules defined specifically for that state. An inclusive -state adds additional tokens and rules to the default set of rules. -Thus, lex will return both the tokens defined by default in addition -to those defined for the inclusive state. - -

-Once a state has been declared, tokens and rules are declared by including the -state name in token/rule declaration. For example: - -

-
-t_foo_NUMBER = r'\d+'                      # Token 'NUMBER' in state 'foo'        
-t_bar_ID     = r'[a-zA-Z_][a-zA-Z0-9_]*'   # Token 'ID' in state 'bar'
-
-def t_foo_newline(t):
-    r'\n'
-    t.lexer.lineno += 1
-
-
- -A token can be declared in multiple states by including multiple state names in the declaration. For example: - -
-
-t_foo_bar_NUMBER = r'\d+'         # Defines token 'NUMBER' in both state 'foo' and 'bar'
-
-
- -Alternative, a token can be declared in all states using the 'ANY' in the name. - -
-
-t_ANY_NUMBER = r'\d+'         # Defines a token 'NUMBER' in all states
-
-
- -If no state name is supplied, as is normally the case, the token is associated with a special state 'INITIAL'. For example, -these two declarations are identical: - -
-
-t_NUMBER = r'\d+'
-t_INITIAL_NUMBER = r'\d+'
-
-
- -

-States are also associated with the special t_ignore and t_error() declarations. For example, if a state treats -these differently, you can declare: - -

-
-t_foo_ignore = " \t\n"       # Ignored characters for state 'foo'
-
-def t_bar_error(t):          # Special error handler for state 'bar'
-    pass 
-
-
- -By default, lexing operates in the 'INITIAL' state. This state includes all of the normally defined tokens. -For users who aren't using different states, this fact is completely transparent. If, during lexing or parsing, you want to change -the lexing state, use the begin() method. For example: - -
-
-def t_begin_foo(t):
-    r'start_foo'
-    t.lexer.begin('foo')             # Starts 'foo' state
-
-
- -To get out of a state, you use begin() to switch back to the initial state. For example: - -
-
-def t_foo_end(t):
-    r'end_foo'
-    t.lexer.begin('INITIAL')        # Back to the initial state
-
-
- -The management of states can also be done with a stack. For example: - -
-
-def t_begin_foo(t):
-    r'start_foo'
-    t.lexer.push_state('foo')             # Starts 'foo' state
-
-def t_foo_end(t):
-    r'end_foo'
-    t.lexer.pop_state()                   # Back to the previous state
-
-
- -

-The use of a stack would be useful in situations where there are many ways of entering a new lexing state and you merely want to go back -to the previous state afterwards. - -

-An example might help clarify. Suppose you were writing a parser and you wanted to grab sections of arbitrary C code enclosed by -curly braces. That is, whenever you encounter a starting brace '{', you want to read all of the enclosed code up to the ending brace '}' -and return it as a string. Doing this with a normal regular expression rule is nearly (if not actually) impossible. This is because braces can -be nested and can be included in comments and strings. Thus, simply matching up to the first matching '}' character isn't good enough. Here is how -you might use lexer states to do this: - -

-
-# Declare the state
-states = (
-  ('ccode','exclusive'),
-)
-
-# Match the first {. Enter ccode state.
-def t_ccode(t):
-    r'\{'
-    t.lexer.code_start = t.lexer.lexpos        # Record the starting position
-    t.lexer.level = 1                          # Initial brace level
-    t.lexer.begin('ccode')                     # Enter 'ccode' state
-
-# Rules for the ccode state
-def t_ccode_lbrace(t):     
-    r'\{'
-    t.lexer.level +=1                
-
-def t_ccode_rbrace(t):
-    r'\}'
-    t.lexer.level -=1
-
-    # If closing brace, return the code fragment
-    if t.lexer.level == 0:
-         t.value = t.lexer.lexdata[t.lexer.code_start:t.lexer.lexpos+1]
-         t.type = "CCODE"
-         t.lexer.lineno += t.value.count('\n')
-         t.lexer.begin('INITIAL')           
-         return t
-
-# C or C++ comment (ignore)    
-def t_ccode_comment(t):
-    r'(/\*(.|\n)*?*/)|(//.*)'
-    pass
-
-# C string
-def t_ccode_string(t):
-   r'\"([^\\\n]|(\\.))*?\"'
-
-# C character literal
-def t_ccode_char(t):
-   r'\'([^\\\n]|(\\.))*?\''
-
-# Any sequence of non-whitespace characters (not braces, strings)
-def t_ccode_nonspace(t):
-   r'[^\s\{\}\'\"]+'
-
-# Ignored characters (whitespace)
-t_ccode_ignore = " \t\n"
-
-# For bad characters, we just skip over it
-def t_ccode_error(t):
-    t.lexer.skip(1)
-
-
- -In this example, the occurrence of the first '{' causes the lexer to record the starting position and enter a new state 'ccode'. A collection of rules then match -various parts of the input that follow (comments, strings, etc.). All of these rules merely discard the token (by not returning a value). -However, if the closing right brace is encountered, the rule t_ccode_rbrace collects all of the code (using the earlier recorded starting -position), stores it, and returns a token 'CCODE' containing all of that text. When returning the token, the lexing state is restored back to its -initial state. - -

3.19 Miscellaneous Issues

- - -

-

  • The lexer requires input to be supplied as a single input string. Since most machines have more than enough memory, this -rarely presents a performance concern. However, it means that the lexer currently can't be used with streaming data -such as open files or sockets. This limitation is primarily a side-effect of using the re module. - -

    -

  • The lexer should work properly with both Unicode strings given as token and pattern matching rules as -well as for input text. - -

    -

  • If you need to supply optional flags to the re.compile() function, use the reflags option to lex. For example: - -
    -
    -lex.lex(reflags=re.UNICODE)
-
    -
    - -

    -

  • Since the lexer is written entirely in Python, its performance is -largely determined by that of the Python re module. Although -the lexer has been written to be as efficient as possible, it's not -blazingly fast when used on very large input files. If -performance is concern, you might consider upgrading to the most -recent version of Python, creating a hand-written lexer, or offloading -the lexer into a C extension module. - -

    -If you are going to create a hand-written lexer and you plan to use it with yacc.py, -it only needs to conform to the following requirements: - -

      -
    • It must provide a token() method that returns the next token or None if no more -tokens are available. -
    • The token() method must return an object tok that has type and value attributes. -
    - -

    4. Parsing basics

    - - -yacc.py is used to parse language syntax. Before showing an -example, there are a few important bits of background that must be -mentioned. First, syntax is usually specified in terms of a BNF grammar. -For example, if you wanted to parse -simple arithmetic expressions, you might first write an unambiguous -grammar specification like this: - -
    -
     
-expression : expression + term
-           | expression - term
-           | term
-
-term       : term * factor
-           | term / factor
-           | factor
-
-factor     : NUMBER
-           | ( expression )
-
    -
    - -In the grammar, symbols such as NUMBER, +, -, *, and / are known -as terminals and correspond to raw input tokens. Identifiers such as term and factor refer to more -complex rules, typically comprised of a collection of tokens. These identifiers are known as non-terminals. -

    -The semantic behavior of a language is often specified using a -technique known as syntax directed translation. In syntax directed -translation, attributes are attached to each symbol in a given grammar -rule along with an action. Whenever a particular grammar rule is -recognized, the action describes what to do. For example, given the -expression grammar above, you might write the specification for a -simple calculator like this: - -

    -
     
-Grammar                             Action
---------------------------------    -------------------------------------------- 
-expression0 : expression1 + term    expression0.val = expression1.val + term.val
-            | expression1 - term    expression0.val = expression1.val - term.val
-            | term                  expression0.val = term.val
-
-term0       : term1 * factor        term0.val = term1.val * factor.val
-            | term1 / factor        term0.val = term1.val / factor.val
-            | factor                term0.val = factor.val
-
-factor      : NUMBER                factor.val = int(NUMBER.lexval)
-            | ( expression )        factor.val = expression.val
-
    -
    - -A good way to think about syntax directed translation is to simply think of each symbol in the grammar as some -kind of object. The semantics of the language are then expressed as a collection of methods/operations on these -objects. - -

    -Yacc uses a parsing technique known as LR-parsing or shift-reduce parsing. LR parsing is a -bottom up technique that tries to recognize the right-hand-side of various grammar rules. -Whenever a valid right-hand-side is found in the input, the appropriate action code is triggered and the -grammar symbols are replaced by the grammar symbol on the left-hand-side. - -

    -LR parsing is commonly implemented by shifting grammar symbols onto a stack and looking at the stack and the next -input token for patterns. The details of the algorithm can be found in a compiler text, but the -following example illustrates the steps that are performed if you wanted to parse the expression -3 + 5 * (10 - 20) using the grammar defined above: - -

    -
    -Step Symbol Stack           Input Tokens            Action
----- ---------------------  ---------------------   -------------------------------
-1    $                      3 + 5 * ( 10 - 20 )$    Shift 3
-2    $ 3                      + 5 * ( 10 - 20 )$    Reduce factor : NUMBER
-3    $ factor                 + 5 * ( 10 - 20 )$    Reduce term   : factor
-4    $ term                   + 5 * ( 10 - 20 )$    Reduce expr : term
-5    $ expr                   + 5 * ( 10 - 20 )$    Shift +
-6    $ expr +                   5 * ( 10 - 20 )$    Shift 5
-7    $ expr + 5                   * ( 10 - 20 )$    Reduce factor : NUMBER
-8    $ expr + factor              * ( 10 - 20 )$    Reduce term   : factor
-9    $ expr + term                * ( 10 - 20 )$    Shift *
-10   $ expr + term *                ( 10 - 20 )$    Shift (
-11   $ expr + term * (                10 - 20 )$    Shift 10
-12   $ expr + term * ( 10                - 20 )$    Reduce factor : NUMBER
-13   $ expr + term * ( factor            - 20 )$    Reduce term : factor
-14   $ expr + term * ( term              - 20 )$    Reduce expr : term
-15   $ expr + term * ( expr              - 20 )$    Shift -
-16   $ expr + term * ( expr -              20 )$    Shift 20
-17   $ expr + term * ( expr - 20              )$    Reduce factor : NUMBER
-18   $ expr + term * ( expr - factor          )$    Reduce term : factor
-19   $ expr + term * ( expr - term            )$    Reduce expr : expr - term
-20   $ expr + term * ( expr                   )$    Shift )
-21   $ expr + term * ( expr )                  $    Reduce factor : (expr)
-22   $ expr + term * factor                    $    Reduce term : term * factor
-23   $ expr + term                             $    Reduce expr : expr + term
-24   $ expr                                    $    Reduce expr
-25   $                                         $    Success!
-
    -
    - -When parsing the expression, an underlying state machine and the current input token determine what to do next. -If the next token looks like part of a valid grammar rule (based on other items on the stack), it is generally shifted -onto the stack. If the top of the stack contains a valid right-hand-side of a grammar rule, it is -usually "reduced" and the symbols replaced with the symbol on the left-hand-side. When this reduction occurs, the -appropriate action is triggered (if defined). If the input token can't be shifted and the top of stack doesn't match -any grammar rules, a syntax error has occurred and the parser must take some kind of recovery step (or bail out). - -

    -It is important to note that the underlying implementation is built around a large finite-state machine that is encoded -in a collection of tables. The construction of these tables is quite complicated and beyond the scope of this discussion. -However, subtle details of this process explain why, in the example above, the parser chooses to shift a token -onto the stack in step 9 rather than reducing the rule expr : expr + term. - -

    5. Yacc reference

    - - -This section describes how to use write parsers in PLY. - -

    5.1 An example

    - - -Suppose you wanted to make a grammar for simple arithmetic expressions as previously described. Here is -how you would do it with yacc.py: - -
    -
    -# Yacc example
-
-import ply.yacc as yacc
-
-# Get the token map from the lexer.  This is required.
-from calclex import tokens
-
-def p_expression_plus(p):
-    'expression : expression PLUS term'
-    p[0] = p[1] + p[3]
-
-def p_expression_minus(p):
-    'expression : expression MINUS term'
-    p[0] = p[1] - p[3]
-
-def p_expression_term(p):
-    'expression : term'
-    p[0] = p[1]
-
-def p_term_times(p):
-    'term : term TIMES factor'
-    p[0] = p[1] * p[3]
-
-def p_term_div(p):
-    'term : term DIVIDE factor'
-    p[0] = p[1] / p[3]
-
-def p_term_factor(p):
-    'term : factor'
-    p[0] = p[1]
-
-def p_factor_num(p):
-    'factor : NUMBER'
-    p[0] = p[1]
-
-def p_factor_expr(p):
-    'factor : LPAREN expression RPAREN'
-    p[0] = p[2]
-
-# Error rule for syntax errors
-def p_error(p):
-    print "Syntax error in input!"
-
-# Build the parser
-yacc.yacc()
-
-# Use this if you want to build the parser using SLR instead of LALR
-# yacc.yacc(method="SLR")
-
-while 1:
-   try:
-       s = raw_input('calc > ')
-   except EOFError:
-       break
-   if not s: continue
-   result = yacc.parse(s)
-   print result
-
    -
    - -In this example, each grammar rule is defined by a Python function where the docstring to that function contains the -appropriate context-free grammar specification. Each function accepts a single -argument p that is a sequence containing the values of each grammar symbol in the corresponding rule. The values of -p[i] are mapped to grammar symbols as shown here: - -
    -
    -def p_expression_plus(p):
-    'expression : expression PLUS term'
-    #   ^            ^        ^    ^
-    #  p[0]         p[1]     p[2] p[3]
-
-    p[0] = p[1] + p[3]
-
    -
    - -For tokens, the "value" of the corresponding p[i] is the -same as the p.value attribute assigned -in the lexer module. For non-terminals, the value is determined by -whatever is placed in p[0] when rules are reduced. This -value can be anything at all. However, it probably most common for -the value to be a simple Python type, a tuple, or an instance. In this example, we -are relying on the fact that the NUMBER token stores an integer value in its value -field. All of the other rules simply perform various types of integer operations and store -the result. - -

    -Note: The use of negative indices have a special meaning in yacc---specially p[-1] does -not have the same value as p[3] in this example. Please see the section on "Embedded Actions" for further -details. - -

    -The first rule defined in the yacc specification determines the starting grammar -symbol (in this case, a rule for expression appears first). Whenever -the starting rule is reduced by the parser and no more input is available, parsing -stops and the final value is returned (this value will be whatever the top-most rule -placed in p[0]). Note: an alternative starting symbol can be specified using the start keyword argument to -yacc(). - -

    The p_error(p) rule is defined to catch syntax errors. See the error handling section -below for more detail. - -

    -To build the parser, call the yacc.yacc() function. This function -looks at the module and attempts to construct all of the LR parsing tables for the grammar -you have specified. The first time yacc.yacc() is invoked, you will get a message -such as this: - -

    -
    -$ python calcparse.py
-yacc: Generating LALR parsing table...  
-calc > 
-
    -
    - -Since table construction is relatively expensive (especially for large -grammars), the resulting parsing table is written to the current -directory in a file called parsetab.py. In addition, a -debugging file called parser.out is created. On subsequent -executions, yacc will reload the table from -parsetab.py unless it has detected a change in the underlying -grammar (in which case the tables and parsetab.py file are -regenerated). Note: The names of parser output files can be changed if necessary. See the notes that follow later. - -

    -If any errors are detected in your grammar specification, yacc.py will produce -diagnostic messages and possibly raise an exception. Some of the errors that can be detected include: - -

      -
    • Duplicated function names (if more than one rule function have the same name in the grammar file). -
    • Shift/reduce and reduce/reduce conflicts generated by ambiguous grammars. -
    • Badly specified grammar rules. -
    • Infinite recursion (rules that can never terminate). -
    • Unused rules and tokens -
    • Undefined rules and tokens -
    - -The next few sections now discuss a few finer points of grammar construction. - -

    5.2 Combining Grammar Rule Functions

    - - -When grammar rules are similar, they can be combined into a single function. -For example, consider the two rules in our earlier example: - -
    -
    -def p_expression_plus(p):
-    'expression : expression PLUS term'
-    p[0] = p[1] + p[3]
-
-def p_expression_minus(t):
-    'expression : expression MINUS term'
-    p[0] = p[1] - p[3]
-
    -
    - -Instead of writing two functions, you might write a single function like this: - -
    -
    -def p_expression(p):
-    '''expression : expression PLUS term
-                  | expression MINUS term'''
-    if p[2] == '+':
-        p[0] = p[1] + p[3]
-    elif p[2] == '-':
-        p[0] = p[1] - p[3]
-
    -
    - -In general, the doc string for any given function can contain multiple grammar rules. So, it would -have also been legal (although possibly confusing) to write this: - -
    -
    -def p_binary_operators(p):
-    '''expression : expression PLUS term
-                  | expression MINUS term
-       term       : term TIMES factor
-                  | term DIVIDE factor'''
-    if p[2] == '+':
-        p[0] = p[1] + p[3]
-    elif p[2] == '-':
-        p[0] = p[1] - p[3]
-    elif p[2] == '*':
-        p[0] = p[1] * p[3]
-    elif p[2] == '/':
-        p[0] = p[1] / p[3]
-
    -
    - -When combining grammar rules into a single function, it is usually a good idea for all of the rules to have -a similar structure (e.g., the same number of terms). Otherwise, the corresponding action code may be more -complicated than necessary. However, it is possible to handle simple cases using len(). For example: - -
    -
    -def p_expressions(p):
-    '''expression : expression MINUS expression
-                  | MINUS expression'''
-    if (len(p) == 4):
-        p[0] = p[1] - p[3]
-    elif (len(p) == 3):
-        p[0] = -p[2]
-
    -
    - -

    5.3 Character Literals

    - - -If desired, a grammar may contain tokens defined as single character literals. For example: - -
    -
    -def p_binary_operators(p):
-    '''expression : expression '+' term
-                  | expression '-' term
-       term       : term '*' factor
-                  | term '/' factor'''
-    if p[2] == '+':
-        p[0] = p[1] + p[3]
-    elif p[2] == '-':
-        p[0] = p[1] - p[3]
-    elif p[2] == '*':
-        p[0] = p[1] * p[3]
-    elif p[2] == '/':
-        p[0] = p[1] / p[3]
-
    -
    - -A character literal must be enclosed in quotes such as '+'. In addition, if literals are used, they must be declared in the -corresponding lex file through the use of a special literals declaration. - -
    -
    -# Literals.  Should be placed in module given to lex()
-literals = ['+','-','*','/' ]
-
    -
    - -Character literals are limited to a single character. Thus, it is not legal to specify literals such as '<=' or '=='. For this, use -the normal lexing rules (e.g., define a rule such as t_EQ = r'=='). - -

    5.4 Empty Productions

    - - -yacc.py can handle empty productions by defining a rule like this: - -
    -
    -def p_empty(p):
-    'empty :'
-    pass
-
    -
    - -Now to use the empty production, simply use 'empty' as a symbol. For example: - -
    -
    -def p_optitem(p):
-    'optitem : item'
-    '        | empty'
-    ...
-
    -
    - -Note: You can write empty rules anywhere by simply specifying an empty right hand side. However, I personally find that -writing an "empty" rule and using "empty" to denote an empty production is easier to read. - -

    5.5 Changing the starting symbol

    - - -Normally, the first rule found in a yacc specification defines the starting grammar rule (top level rule). To change this, simply -supply a start specifier in your file. For example: - -
    -
    -start = 'foo'
-
-def p_bar(p):
-    'bar : A B'
-
-# This is the starting rule due to the start specifier above
-def p_foo(p):
-    'foo : bar X'
-...
-
    -
    - -The use of a start specifier may be useful during debugging since you can use it to have yacc build a subset of -a larger grammar. For this purpose, it is also possible to specify a starting symbol as an argument to yacc(). For example: - -
    -
    -yacc.yacc(start='foo')
-
    -
    - -

    5.6 Dealing With Ambiguous Grammars

    - - -The expression grammar given in the earlier example has been written in a special format to eliminate ambiguity. -However, in many situations, it is extremely difficult or awkward to write grammars in this format. A -much more natural way to express the grammar is in a more compact form like this: - -
    -
    -expression : expression PLUS expression
-           | expression MINUS expression
-           | expression TIMES expression
-           | expression DIVIDE expression
-           | LPAREN expression RPAREN
-           | NUMBER
-
    -
    - -Unfortunately, this grammar specification is ambiguous. For example, if you are parsing the string -"3 * 4 + 5", there is no way to tell how the operators are supposed to be grouped. -For example, does the expression mean "(3 * 4) + 5" or is it "3 * (4+5)"? - -

    -When an ambiguous grammar is given to yacc.py it will print messages about "shift/reduce conflicts" -or a "reduce/reduce conflicts". A shift/reduce conflict is caused when the parser generator can't decide -whether or not to reduce a rule or shift a symbol on the parsing stack. For example, consider -the string "3 * 4 + 5" and the internal parsing stack: - -

    -
    -Step Symbol Stack           Input Tokens            Action
----- ---------------------  ---------------------   -------------------------------
-1    $                                3 * 4 + 5$    Shift 3
-2    $ 3                                * 4 + 5$    Reduce : expression : NUMBER
-3    $ expr                             * 4 + 5$    Shift *
-4    $ expr *                             4 + 5$    Shift 4
-5    $ expr * 4                             + 5$    Reduce: expression : NUMBER
-6    $ expr * expr                          + 5$    SHIFT/REDUCE CONFLICT ????
-
    -
    - -In this case, when the parser reaches step 6, it has two options. One is to reduce the -rule expr : expr * expr on the stack. The other option is to shift the -token + on the stack. Both options are perfectly legal from the rules -of the context-free-grammar. - -

    -By default, all shift/reduce conflicts are resolved in favor of shifting. Therefore, in the above -example, the parser will always shift the + instead of reducing. Although this -strategy works in many cases (including the ambiguous if-then-else), it is not enough for arithmetic -expressions. In fact, in the above example, the decision to shift + is completely wrong---we should have -reduced expr * expr since multiplication has higher mathematical precedence than addition. - -

    To resolve ambiguity, especially in expression grammars, yacc.py allows individual -tokens to be assigned a precedence level and associativity. This is done by adding a variable -precedence to the grammar file like this: - -

    -
    -precedence = (
-    ('left', 'PLUS', 'MINUS'),
-    ('left', 'TIMES', 'DIVIDE'),
-)
-
    -
    - -This declaration specifies that PLUS/MINUS have -the same precedence level and are left-associative and that -TIMES/DIVIDE have the same precedence and are left-associative. -Within the precedence declaration, tokens are ordered from lowest to highest precedence. Thus, -this declaration specifies that TIMES/DIVIDE have higher -precedence than PLUS/MINUS (since they appear later in the -precedence specification). - -

    -The precedence specification works by associating a numerical precedence level value and associativity direction to -the listed tokens. For example, in the above example you get: - -

    -
    -PLUS      : level = 1,  assoc = 'left'
-MINUS     : level = 1,  assoc = 'left'
-TIMES     : level = 2,  assoc = 'left'
-DIVIDE    : level = 2,  assoc = 'left'
-
    -
    - -These values are then used to attach a numerical precedence value and associativity direction -to each grammar rule. This is always determined by looking at the precedence of the right-most terminal symbol. -For example: - -
    -
    -expression : expression PLUS expression                 # level = 1, left
-           | expression MINUS expression                # level = 1, left
-           | expression TIMES expression                # level = 2, left
-           | expression DIVIDE expression               # level = 2, left
-           | LPAREN expression RPAREN                   # level = None (not specified)
-           | NUMBER                                     # level = None (not specified)
-
    -
    - -When shift/reduce conflicts are encountered, the parser generator resolves the conflict by -looking at the precedence rules and associativity specifiers. - -

    -

      -
    1. If the current token has higher precedence, it is shifted. -
    2. If the grammar rule on the stack has higher precedence, the rule is reduced. -
    3. If the current token and the grammar rule have the same precedence, the -rule is reduced for left associativity, whereas the token is shifted for right associativity. -
    4. If nothing is known about the precedence, shift/reduce conflicts are resolved in -favor of shifting (the default). -
    - -For example, if "expression PLUS expression" has been parsed and the next token -is "TIMES", the action is going to be a shift because "TIMES" has a higher precedence level than "PLUS". On the other -hand, if "expression TIMES expression" has been parsed and the next token is "PLUS", the action -is going to be reduce because "PLUS" has a lower precedence than "TIMES." - -

    -When shift/reduce conflicts are resolved using the first three techniques (with the help of -precedence rules), yacc.py will report no errors or conflicts in the grammar. - -

    -One problem with the precedence specifier technique is that it is sometimes necessary to -change the precedence of an operator in certain contents. For example, consider a unary-minus operator -in "3 + 4 * -5". Normally, unary minus has a very high precedence--being evaluated before the multiply. -However, in our precedence specifier, MINUS has a lower precedence than TIMES. To deal with this, -precedence rules can be given for fictitious tokens like this: - -

    -
    -precedence = (
-    ('left', 'PLUS', 'MINUS'),
-    ('left', 'TIMES', 'DIVIDE'),
-    ('right', 'UMINUS'),            # Unary minus operator
-)
-
    -
    - -Now, in the grammar file, we can write our unary minus rule like this: - -
    -
    -def p_expr_uminus(p):
-    'expression : MINUS expression %prec UMINUS'
-    p[0] = -p[2]
-
    -
    - -In this case, %prec UMINUS overrides the default rule precedence--setting it to that -of UMINUS in the precedence specifier. - -

    -At first, the use of UMINUS in this example may appear very confusing. -UMINUS is not an input token or a grammer rule. Instead, you should -think of it as the name of a special marker in the precedence table. When you use the %prec qualifier, you're simply -telling yacc that you want the precedence of the expression to be the same as for this special marker instead of the usual precedence. - -

    -It is also possible to specify non-associativity in the precedence table. This would -be used when you don't want operations to chain together. For example, suppose -you wanted to support comparison operators like < and > but you didn't want to allow -combinations like a < b < c. To do this, simply specify a rule like this: - -

    -
    -precedence = (
-    ('nonassoc', 'LESSTHAN', 'GREATERTHAN'),  # Nonassociative operators
-    ('left', 'PLUS', 'MINUS'),
-    ('left', 'TIMES', 'DIVIDE'),
-    ('right', 'UMINUS'),            # Unary minus operator
-)
-
    -
    - -

    -If you do this, the occurrence of input text such as a < b < c will result in a syntax error. However, simple -expressions such as a < b will still be fine. - -

    -Reduce/reduce conflicts are caused when there are multiple grammar -rules that can be applied to a given set of symbols. This kind of -conflict is almost always bad and is always resolved by picking the -rule that appears first in the grammar file. Reduce/reduce conflicts -are almost always caused when different sets of grammar rules somehow -generate the same set of symbols. For example: - -

    -
    -assignment :  ID EQUALS NUMBER
-           |  ID EQUALS expression
-           
-expression : expression PLUS expression
-           | expression MINUS expression
-           | expression TIMES expression
-           | expression DIVIDE expression
-           | LPAREN expression RPAREN
-           | NUMBER
-
    -
    - -In this case, a reduce/reduce conflict exists between these two rules: - -
    -
    -assignment  : ID EQUALS NUMBER
-expression  : NUMBER
-
    -
    - -For example, if you wrote "a = 5", the parser can't figure out if this -is supposed to be reduced as assignment : ID EQUALS NUMBER or -whether it's supposed to reduce the 5 as an expression and then reduce -the rule assignment : ID EQUALS expression. - -

    -It should be noted that reduce/reduce conflicts are notoriously difficult to spot -simply looking at the input grammer. To locate these, it is usually easier to look at the -parser.out debugging file with an appropriately high level of caffeination. - -

    5.7 The parser.out file

    - - -Tracking down shift/reduce and reduce/reduce conflicts is one of the finer pleasures of using an LR -parsing algorithm. To assist in debugging, yacc.py creates a debugging file called -'parser.out' when it generates the parsing table. The contents of this file look like the following: - -
    -
    -Unused terminals:
-
-
-Grammar
-
-Rule 1     expression -> expression PLUS expression
-Rule 2     expression -> expression MINUS expression
-Rule 3     expression -> expression TIMES expression
-Rule 4     expression -> expression DIVIDE expression
-Rule 5     expression -> NUMBER
-Rule 6     expression -> LPAREN expression RPAREN
-
-Terminals, with rules where they appear
-
-TIMES                : 3
-error                : 
-MINUS                : 2
-RPAREN               : 6
-LPAREN               : 6
-DIVIDE               : 4
-PLUS                 : 1
-NUMBER               : 5
-
-Nonterminals, with rules where they appear
-
-expression           : 1 1 2 2 3 3 4 4 6 0
-
-
-Parsing method: LALR
-
-
-state 0
-
-    S' -> . expression
-    expression -> . expression PLUS expression
-    expression -> . expression MINUS expression
-    expression -> . expression TIMES expression
-    expression -> . expression DIVIDE expression
-    expression -> . NUMBER
-    expression -> . LPAREN expression RPAREN
-
-    NUMBER          shift and go to state 3
-    LPAREN          shift and go to state 2
-
-
-state 1
-
-    S' -> expression .
-    expression -> expression . PLUS expression
-    expression -> expression . MINUS expression
-    expression -> expression . TIMES expression
-    expression -> expression . DIVIDE expression
-
-    PLUS            shift and go to state 6
-    MINUS           shift and go to state 5
-    TIMES           shift and go to state 4
-    DIVIDE          shift and go to state 7
-
-
-state 2
-
-    expression -> LPAREN . expression RPAREN
-    expression -> . expression PLUS expression
-    expression -> . expression MINUS expression
-    expression -> . expression TIMES expression
-    expression -> . expression DIVIDE expression
-    expression -> . NUMBER
-    expression -> . LPAREN expression RPAREN
-
-    NUMBER          shift and go to state 3
-    LPAREN          shift and go to state 2
-
-
-state 3
-
-    expression -> NUMBER .
-
-    $               reduce using rule 5
-    PLUS            reduce using rule 5
-    MINUS           reduce using rule 5
-    TIMES           reduce using rule 5
-    DIVIDE          reduce using rule 5
-    RPAREN          reduce using rule 5
-
-
-state 4
-
-    expression -> expression TIMES . expression
-    expression -> . expression PLUS expression
-    expression -> . expression MINUS expression
-    expression -> . expression TIMES expression
-    expression -> . expression DIVIDE expression
-    expression -> . NUMBER
-    expression -> . LPAREN expression RPAREN
-
-    NUMBER          shift and go to state 3
-    LPAREN          shift and go to state 2
-
-
-state 5
-
-    expression -> expression MINUS . expression
-    expression -> . expression PLUS expression
-    expression -> . expression MINUS expression
-    expression -> . expression TIMES expression
-    expression -> . expression DIVIDE expression
-    expression -> . NUMBER
-    expression -> . LPAREN expression RPAREN
-
-    NUMBER          shift and go to state 3
-    LPAREN          shift and go to state 2
-
-
-state 6
-
-    expression -> expression PLUS . expression
-    expression -> . expression PLUS expression
-    expression -> . expression MINUS expression
-    expression -> . expression TIMES expression
-    expression -> . expression DIVIDE expression
-    expression -> . NUMBER
-    expression -> . LPAREN expression RPAREN
-
-    NUMBER          shift and go to state 3
-    LPAREN          shift and go to state 2
-
-
-state 7
-
-    expression -> expression DIVIDE . expression
-    expression -> . expression PLUS expression
-    expression -> . expression MINUS expression
-    expression -> . expression TIMES expression
-    expression -> . expression DIVIDE expression
-    expression -> . NUMBER
-    expression -> . LPAREN expression RPAREN
-
-    NUMBER          shift and go to state 3
-    LPAREN          shift and go to state 2
-
-
-state 8
-
-    expression -> LPAREN expression . RPAREN
-    expression -> expression . PLUS expression
-    expression -> expression . MINUS expression
-    expression -> expression . TIMES expression
-    expression -> expression . DIVIDE expression
-
-    RPAREN          shift and go to state 13
-    PLUS            shift and go to state 6
-    MINUS           shift and go to state 5
-    TIMES           shift and go to state 4
-    DIVIDE          shift and go to state 7
-
-
-state 9
-
-    expression -> expression TIMES expression .
-    expression -> expression . PLUS expression
-    expression -> expression . MINUS expression
-    expression -> expression . TIMES expression
-    expression -> expression . DIVIDE expression
-
-    $               reduce using rule 3
-    PLUS            reduce using rule 3
-    MINUS           reduce using rule 3
-    TIMES           reduce using rule 3
-    DIVIDE          reduce using rule 3
-    RPAREN          reduce using rule 3
-
-  ! PLUS            [ shift and go to state 6 ]
-  ! MINUS           [ shift and go to state 5 ]
-  ! TIMES           [ shift and go to state 4 ]
-  ! DIVIDE          [ shift and go to state 7 ]
-
-state 10
-
-    expression -> expression MINUS expression .
-    expression -> expression . PLUS expression
-    expression -> expression . MINUS expression
-    expression -> expression . TIMES expression
-    expression -> expression . DIVIDE expression
-
-    $               reduce using rule 2
-    PLUS            reduce using rule 2
-    MINUS           reduce using rule 2
-    RPAREN          reduce using rule 2
-    TIMES           shift and go to state 4
-    DIVIDE          shift and go to state 7
-
-  ! TIMES           [ reduce using rule 2 ]
-  ! DIVIDE          [ reduce using rule 2 ]
-  ! PLUS            [ shift and go to state 6 ]
-  ! MINUS           [ shift and go to state 5 ]
-
-state 11
-
-    expression -> expression PLUS expression .
-    expression -> expression . PLUS expression
-    expression -> expression . MINUS expression
-    expression -> expression . TIMES expression
-    expression -> expression . DIVIDE expression
-
-    $               reduce using rule 1
-    PLUS            reduce using rule 1
-    MINUS           reduce using rule 1
-    RPAREN          reduce using rule 1
-    TIMES           shift and go to state 4
-    DIVIDE          shift and go to state 7
-
-  ! TIMES           [ reduce using rule 1 ]
-  ! DIVIDE          [ reduce using rule 1 ]
-  ! PLUS            [ shift and go to state 6 ]
-  ! MINUS           [ shift and go to state 5 ]
-
-state 12
-
-    expression -> expression DIVIDE expression .
-    expression -> expression . PLUS expression
-    expression -> expression . MINUS expression
-    expression -> expression . TIMES expression
-    expression -> expression . DIVIDE expression
-
-    $               reduce using rule 4
-    PLUS            reduce using rule 4
-    MINUS           reduce using rule 4
-    TIMES           reduce using rule 4
-    DIVIDE          reduce using rule 4
-    RPAREN          reduce using rule 4
-
-  ! PLUS            [ shift and go to state 6 ]
-  ! MINUS           [ shift and go to state 5 ]
-  ! TIMES           [ shift and go to state 4 ]
-  ! DIVIDE          [ shift and go to state 7 ]
-
-state 13
-
-    expression -> LPAREN expression RPAREN .
-
-    $               reduce using rule 6
-    PLUS            reduce using rule 6
-    MINUS           reduce using rule 6
-    TIMES           reduce using rule 6
-    DIVIDE          reduce using rule 6
-    RPAREN          reduce using rule 6
-
    -
    - -In the file, each state of the grammar is described. Within each state the "." indicates the current -location of the parse within any applicable grammar rules. In addition, the actions for each valid -input token are listed. When a shift/reduce or reduce/reduce conflict arises, rules not selected -are prefixed with an !. For example: - -
    -
    -  ! TIMES           [ reduce using rule 2 ]
-  ! DIVIDE          [ reduce using rule 2 ]
-  ! PLUS            [ shift and go to state 6 ]
-  ! MINUS           [ shift and go to state 5 ]
-
    -
    - -By looking at these rules (and with a little practice), you can usually track down the source -of most parsing conflicts. It should also be stressed that not all shift-reduce conflicts are -bad. However, the only way to be sure that they are resolved correctly is to look at parser.out. - -

    5.8 Syntax Error Handling

    - - -When a syntax error occurs during parsing, the error is immediately -detected (i.e., the parser does not read any more tokens beyond the -source of the error). Error recovery in LR parsers is a delicate -topic that involves ancient rituals and black-magic. The recovery mechanism -provided by yacc.py is comparable to Unix yacc so you may want -consult a book like O'Reilly's "Lex and Yacc" for some of the finer details. - -

    -When a syntax error occurs, yacc.py performs the following steps: - -

      -
    1. On the first occurrence of an error, the user-defined p_error() function -is called with the offending token as an argument. Afterwards, the parser enters -an "error-recovery" mode in which it will not make future calls to p_error() until it -has successfully shifted at least 3 tokens onto the parsing stack. - -

      -

    2. If no recovery action is taken in p_error(), the offending lookahead token is replaced -with a special error token. - -

      -

    3. If the offending lookahead token is already set to error, the top item of the parsing stack is -deleted. - -

      -

    4. If the entire parsing stack is unwound, the parser enters a restart state and attempts to start -parsing from its initial state. - -

      -

    5. If a grammar rule accepts error as a token, it will be -shifted onto the parsing stack. - -

      -

    6. If the top item of the parsing stack is error, lookahead tokens will be discarded until the -parser can successfully shift a new symbol or reduce a rule involving error. -
    - -

    5.8.1 Recovery and resynchronization with error rules

    - - -The most well-behaved approach for handling syntax errors is to write grammar rules that include the error -token. For example, suppose your language had a grammar rule for a print statement like this: - -
    -
    -def p_statement_print(p):
-     'statement : PRINT expr SEMI'
-     ...
-
    -
    - -To account for the possibility of a bad expression, you might write an additional grammar rule like this: - -
    -
    -def p_statement_print_error(p):
-     'statement : PRINT error SEMI'
-     print "Syntax error in print statement. Bad expression"
-
-
    -
    - -In this case, the error token will match any sequence of -tokens that might appear up to the first semicolon that is -encountered. Once the semicolon is reached, the rule will be -invoked and the error token will go away. - -

    -This type of recovery is sometimes known as parser resynchronization. -The error token acts as a wildcard for any bad input text and -the token immediately following error acts as a -synchronization token. - -

    -It is important to note that the error token usually does not appear as the last token -on the right in an error rule. For example: - -

    -
    -def p_statement_print_error(p):
-    'statement : PRINT error'
-    print "Syntax error in print statement. Bad expression"
-
    -
    - -This is because the first bad token encountered will cause the rule to -be reduced--which may make it difficult to recover if more bad tokens -immediately follow. - -

    5.8.2 Panic mode recovery

    - - -An alternative error recovery scheme is to enter a panic mode recovery in which tokens are -discarded to a point where the parser might be able to recover in some sensible manner. - -

    -Panic mode recovery is implemented entirely in the p_error() function. For example, this -function starts discarding tokens until it reaches a closing '}'. Then, it restarts the -parser in its initial state. - -

    -
    -def p_error(p):
-    print "Whoa. You are seriously hosed."
-    # Read ahead looking for a closing '}'
-    while 1:
-        tok = yacc.token()             # Get the next token
-        if not tok or tok.type == 'RBRACE': break
-    yacc.restart()
-
    -
    - -

    -This function simply discards the bad token and tells the parser that the error was ok. - -

    -
    -def p_error(p):
-    print "Syntax error at token", p.type
-    # Just discard the token and tell the parser it's okay.
-    yacc.errok()
-
    -
    - -

    -Within the p_error() function, three functions are available to control the behavior -of the parser: -

    -

      -
    • yacc.errok(). This resets the parser state so it doesn't think it's in error-recovery -mode. This will prevent an error token from being generated and will reset the internal -error counters so that the next syntax error will call p_error() again. - -

      -

    • yacc.token(). This returns the next token on the input stream. - -

      -

    • yacc.restart(). This discards the entire parsing stack and resets the parser -to its initial state. -
    - -Note: these functions are only available when invoking p_error() and are not available -at any other time. - -

    -To supply the next lookahead token to the parser, p_error() can return a token. This might be -useful if trying to synchronize on special characters. For example: - -

    -
    -def p_error(p):
-    # Read ahead looking for a terminating ";"
-    while 1:
-        tok = yacc.token()             # Get the next token
-        if not tok or tok.type == 'SEMI': break
-    yacc.errok()
-
-    # Return SEMI to the parser as the next lookahead token
-    return tok  
-
    -
    - -

    5.8.3 General comments on error handling

    - - -For normal types of languages, error recovery with error rules and resynchronization characters is probably the most reliable -technique. This is because you can instrument the grammar to catch errors at selected places where it is relatively easy -to recover and continue parsing. Panic mode recovery is really only useful in certain specialized applications where you might want -to discard huge portions of the input text to find a valid restart point. - -

    5.9 Line Number and Position Tracking

    - - -yacc.py automatically tracks line numbers and positions for all of the grammar symbols and tokens it processes. To retrieve the line -numbers, two functions are used in grammar rules: - -
      -
    • p.lineno(num). Return the starting line number for symbol num -
    • p.linespan(num). Return a tuple (startline,endline) with the starting and ending line number for symbol num. -
    - -For example: - -
    -
    -def p_expression(p):
-    'expression : expression PLUS expression'
-    p.lineno(1)        # Line number of the left expression
-    p.lineno(2)        # line number of the PLUS operator
-    p.lineno(3)        # line number of the right expression
-    ...
-    start,end = p.linespan(3)    # Start,end lines of the right expression
-
-
    -
    - -Since line numbers are managed internally by the parser, there is usually no need to modify the line -numbers. However, if you want to save the line numbers in a parse-tree node, you will need to make your own -private copy. - -

    -To get positional information about where tokens were lexed, the following two functions are used: - -

      -
    • p.lexpos(num). Return the starting lexing position for symbol num -
    • p.lexspan(num). Return a tuple (start,end) with the starting and ending positions for symbol num. -
    - -For example: - -
    -
    -def p_expression(p):
-    'expression : expression PLUS expression'
-    p.lexpos(1)        # Lexing position of the left expression
-    p.lexpos(2)        # Lexing position of the PLUS operator
-    p.lexpos(3)        # Lexing position of the right expression
-    ...
-    start,end = p.lexspan(3)    # Start,end positions of the right expression
-
    -
    - -Note: The lexspan() function only returns the range of values up the start of the last grammar symbol. - -

    5.10 AST Construction

    - - -yacc.py provides no special functions for constructing an abstract syntax tree. However, such -construction is easy enough to do on your own. Simply create a data structure for abstract syntax tree nodes -and assign nodes to p[0] in each rule. - -For example: - -
    -
    -class Expr: pass
-
-class BinOp(Expr):
-    def __init__(self,left,op,right):
-        self.type = "binop"
-        self.left = left
-        self.right = right
-        self.op = op
-
-class Number(Expr):
-    def __init__(self,value):
-        self.type = "number"
-        self.value = value
-
-def p_expression_binop(p):
-    '''expression : expression PLUS expression
-                  | expression MINUS expression
-                  | expression TIMES expression
-                  | expression DIVIDE expression'''
-
-    p[0] = BinOp(p[1],p[2],p[3])
-
-def p_expression_group(p):
-    'expression : LPAREN expression RPAREN'
-    p[0] = p[2]
-
-def p_expression_number(p):
-    'expression : NUMBER'
-    p[0] = Number(p[1])
-
    -
    - -To simplify tree traversal, it may make sense to pick a very generic tree structure for your parse tree nodes. -For example: - -
    -
    -class Node:
-    def __init__(self,type,children=None,leaf=None):
-         self.type = type
-         if children:
-              self.children = children
-         else:
-              self.children = [ ]
-         self.leaf = leaf
-	 
-def p_expression_binop(p):
-    '''expression : expression PLUS expression
-                  | expression MINUS expression
-                  | expression TIMES expression
-                  | expression DIVIDE expression'''
-
-    p[0] = Node("binop", [p[1],p[3]], p[2])
-
    -
    - -

    5.11 Embedded Actions

    - - -The parsing technique used by yacc only allows actions to be executed at the end of a rule. For example, -suppose you have a rule like this: - -
    -
    -def p_foo(p):
-    "foo : A B C D"
-    print "Parsed a foo", p[1],p[2],p[3],p[4]
-
    -
    - -

    -In this case, the supplied action code only executes after all of the -symbols A, B, C, and D have been -parsed. Sometimes, however, it is useful to execute small code -fragments during intermediate stages of parsing. For example, suppose -you wanted to perform some action immediately after A has -been parsed. To do this, you can write a empty rule like this: - -

    -
    -def p_foo(p):
-    "foo : A seen_A B C D"
-    print "Parsed a foo", p[1],p[3],p[4],p[5]
-    print "seen_A returned", p[2]
-
-def p_seen_A(p):
-    "seen_A :"
-    print "Saw an A = ", p[-1]   # Access grammar symbol to left
-    p[0] = some_value            # Assign value to seen_A
-
-
    -
    - -

    -In this example, the empty seen_A rule executes immediately -after A is shifted onto the parsing stack. Within this -rule, p[-1] refers to the symbol on the stack that appears -immediately to the left of the seen_A symbol. In this case, -it would be the value of A in the foo rule -immediately above. Like other rules, a value can be returned from an -embedded action by simply assigning it to p[0] - -

    -The use of embedded actions can sometimes introduce extra shift/reduce conflicts. For example, -this grammar has no conflicts: - -

    -
    -def p_foo(p):
-    """foo : abcd
-           | abcx"""
-
-def p_abcd(p):
-    "abcd : A B C D"
-
-def p_abcx(p):
-    "abcx : A B C X"
-
    -
    - -However, if you insert an embedded action into one of the rules like this, - -
    -
    -def p_foo(p):
-    """foo : abcd
-           | abcx"""
-
-def p_abcd(p):
-    "abcd : A B C D"
-
-def p_abcx(p):
-    "abcx : A B seen_AB C X"
-
-def p_seen_AB(p):
-    "seen_AB :"
-
    -
    - -an extra shift-reduce conflict will be introduced. This conflict is caused by the fact that the same symbol C appears next in -both the abcd and abcx rules. The parser can either shift the symbol (abcd rule) or reduce the empty rule seen_AB (abcx rule). - -

    -A common use of embedded rules is to control other aspects of parsing -such as scoping of local variables. For example, if you were parsing C code, you might -write code like this: - -

    -
    -def p_statements_block(p):
-    "statements: LBRACE new_scope statements RBRACE"""
-    # Action code
-    ...
-    pop_scope()        # Return to previous scope
-
-def p_new_scope(p):
-    "new_scope :"
-    # Create a new scope for local variables
-    s = new_scope()
-    push_scope(s)
-    ...
-
    -
    - -In this case, the embedded action new_scope executes immediately after a LBRACE ({) symbol is parsed. This might -adjust internal symbol tables and other aspects of the parser. Upon completion of the rule statements_block, code might undo the operations performed in the embedded action (e.g., pop_scope()). - -

    5.12 Yacc implementation notes

    - - -
      -
    • The default parsing method is LALR. To use SLR instead, run yacc() as follows: - -
      -
      -yacc.yacc(method="SLR")
-
      -
      -Note: LALR table generation takes approximately twice as long as SLR table generation. There is no -difference in actual parsing performance---the same code is used in both cases. LALR is preferred when working -with more complicated grammars since it is more powerful. - -

      - -

    • By default, yacc.py relies on lex.py for tokenizing. However, an alternative tokenizer -can be supplied as follows: - -
      -
      -yacc.parse(lexer=x)
-
      -
      -in this case, x must be a Lexer object that minimally has a x.token() method for retrieving the next -token. If an input string is given to yacc.parse(), the lexer must also have an x.input() method. - -

      -

    • By default, the yacc generates tables in debugging mode (which produces the parser.out file and other output). -To disable this, use - -
      -
      -yacc.yacc(debug=0)
-
      -
      - -

      -

    • To change the name of the parsetab.py file, use: - -
      -
      -yacc.yacc(tabmodule="foo")
-
      -
      - -

      -

    • To change the directory in which the parsetab.py file (and other output files) are written, use: -
      -
      -yacc.yacc(tabmodule="foo",outputdir="somedirectory")
-
      -
      - -

      -

    • To prevent yacc from generating any kind of parser table file, use: -
      -
      -yacc.yacc(write_tables=0)
-
      -
      - -Note: If you disable table generation, yacc() will regenerate the parsing tables -each time it runs (which may take awhile depending on how large your grammar is). - -

      -

    • To print copious amounts of debugging during parsing, use: - -
      -
      -yacc.parse(debug=1)
-
      -
      - -

      -

    • To redirect the debugging output to a filename of your choosing, use: - -
      -
      -yacc.parse(debug=1, debugfile="debugging.out")
-
      -
      - -

      -

    • The yacc.yacc() function really returns a parser object. If you want to support multiple -parsers in the same application, do this: - -
      -
      -p = yacc.yacc()
-...
-p.parse()
-
      -
      - -Note: The function yacc.parse() is bound to the last parser that was generated. - -

      -

    • Since the generation of the LALR tables is relatively expensive, previously generated tables are -cached and reused if possible. The decision to regenerate the tables is determined by taking an MD5 -checksum of all grammar rules and precedence rules. Only in the event of a mismatch are the tables regenerated. - -

      -It should be noted that table generation is reasonably efficient, even for grammars that involve around a 100 rules -and several hundred states. For more complex languages such as C, table generation may take 30-60 seconds on a slow -machine. Please be patient. - -

      -

    • Since LR parsing is driven by tables, the performance of the parser is largely independent of the -size of the grammar. The biggest bottlenecks will be the lexer and the complexity of the code in your grammar rules. -
    - -

    6. Parser and Lexer State Management

    - - -In advanced parsing applications, you may want to have multiple -parsers and lexers. Furthermore, the parser may want to control the -behavior of the lexer in some way. - -

    -To do this, it is important to note that both the lexer and parser are -actually implemented as objects. These objects are returned by the -lex() and yacc() functions respectively. For example: - -

    -
    -lexer  = lex.lex()       # Return lexer object
-parser = yacc.yacc()     # Return parser object
-
    -
    - -To attach the lexer and parser together, make sure you use the lexer argumemnt to parse. For example: - -
    -
    -parser.parse(text,lexer=lexer)
-
    -
    - -Within lexer and parser rules, these objects are also available. In the lexer, -the "lexer" attribute of a token refers to the lexer object in use. For example: - -
    -
    -def t_NUMBER(t):
-   r'\d+'
-   ...
-   print t.lexer           # Show lexer object
-
    -
    - -In the parser, the "lexer" and "parser" attributes refer to the lexer -and parser objects respectively. - -
    -
    -def p_expr_plus(p):
-   'expr : expr PLUS expr'
-   ...
-   print p.parser          # Show parser object
-   print p.lexer           # Show lexer object
-
    -
    - -If necessary, arbitrary attributes can be attached to the lexer or parser object. -For example, if you wanted to have different parsing modes, you could attach a mode -attribute to the parser object and look at it later. - -

    7. Using Python's Optimized Mode

    - - -Because PLY uses information from doc-strings, parsing and lexing -information must be gathered while running the Python interpreter in -normal mode (i.e., not with the -O or -OO options). However, if you -specify optimized mode like this: - -
    -
    -lex.lex(optimize=1)
-yacc.yacc(optimize=1)
-
    -
    - -then PLY can later be used when Python runs in optimized mode. To make this work, -make sure you first run Python in normal mode. Once the lexing and parsing tables -have been generated the first time, run Python in optimized mode. PLY will use -the tables without the need for doc strings. - -

    -Beware: running PLY in optimized mode disables a lot of error -checking. You should only do this when your project has stabilized -and you don't need to do any debugging. - -

    8. Where to go from here?

    - - -The examples directory of the PLY distribution contains several simple examples. Please consult a -compilers textbook for the theory and underlying implementation details or LR parsing. - - - - - - - - - - diff --git a/chall/ply-2.2/example/BASIC/README b/chall/ply-2.2/example/BASIC/README deleted file mode 100644 index be24a30..0000000 --- a/chall/ply-2.2/example/BASIC/README +++ /dev/null @@ -1,79 +0,0 @@ -Inspired by a September 14, 2006 Salon article "Why Johnny Can't Code" by -David Brin (http://www.salon.com/tech/feature/2006/09/14/basic/index.html), -I thought that a fully working BASIC interpreter might be an interesting, -if not questionable, PLY example. Uh, okay, so maybe it's just a bad idea, -but in any case, here it is. - -In this example, you'll find a rough implementation of 1964 Dartmouth BASIC -as described in the manual at: - - http://www.bitsavers.org/pdf/dartmouth/BASIC_Oct64.pdf - -See also: - - http://en.wikipedia.org/wiki/Dartmouth_BASIC - -This dialect is downright primitive---there are no string variables -and no facilities for interactive input. Moreover, subroutines and functions -are brain-dead even more than they usually are for BASIC. Of course, -the GOTO statement is provided. - -Nevertheless, there are a few interesting aspects of this example: - - - It illustrates a fully working interpreter including lexing, parsing, - and interpretation of instructions. - - - The parser shows how to catch and report various kinds of parsing - errors in a more graceful way. - - - The example both parses files (supplied on command line) and - interactive input entered line by line. - - - It shows how you might represent parsed information. In this case, - each BASIC statement is encoded into a Python tuple containing the - statement type and parameters. These tuples are then stored in - a dictionary indexed by program line numbers. - - - Even though it's just BASIC, the parser contains more than 80 - rules and 150 parsing states. Thus, it's a little more meaty than - the calculator example. - -To use the example, run it as follows: - - % python basic.py hello.bas - HELLO WORLD - % - -or use it interactively: - - % python basic.py - [BASIC] 10 PRINT "HELLO WORLD" - [BASIC] 20 END - [BASIC] RUN - HELLO WORLD - [BASIC] - -The following files are defined: - - basic.py - High level script that controls everything - basiclex.py - BASIC tokenizer - basparse.py - BASIC parser - basinterp.py - BASIC interpreter that runs parsed programs. - -In addition, a number of sample BASIC programs (.bas suffix) are -provided. These were taken out of the Dartmouth manual. - -Disclaimer: I haven't spent a ton of time testing this and it's likely that -I've skimped here and there on a few finer details (e.g., strictly enforcing -variable naming rules). However, the interpreter seems to be able to run -the examples in the BASIC manual. - -Have fun! - --Dave - - - - - - diff --git a/chall/ply-2.2/example/BASIC/basic.py b/chall/ply-2.2/example/BASIC/basic.py deleted file mode 100644 index 6a2f489..0000000 --- a/chall/ply-2.2/example/BASIC/basic.py +++ /dev/null @@ -1,68 +0,0 @@ -# An implementation of Dartmouth BASIC (1964) -# - -import sys -sys.path.insert(0,"../..") - -import basiclex -import basparse -import basinterp - -# If a filename has been specified, we try to run it. -# If a runtime error occurs, we bail out and enter -# interactive mode below -if len(sys.argv) == 2: - data = open(sys.argv[1]).read() - prog = basparse.parse(data) - if not prog: raise SystemExit - b = basinterp.BasicInterpreter(prog) - try: - b.run() - raise SystemExit - except RuntimeError: - pass - -else: - b = basinterp.BasicInterpreter({}) - -# Interactive mode. This incrementally adds/deletes statements -# from the program stored in the BasicInterpreter object. In -# addition, special commands 'NEW','LIST',and 'RUN' are added. -# Specifying a line number with no code deletes that line from -# the program. - -while 1: - try: - line = raw_input("[BASIC] ") - except EOFError: - raise SystemExit - if not line: continue - line += "\n" - prog = basparse.parse(line) - if not prog: continue - - keys = prog.keys() - if keys[0] > 0: - b.add_statements(prog) - else: - stat = prog[keys[0]] - if stat[0] == 'RUN': - try: - b.run() - except RuntimeError: - pass - elif stat[0] == 'LIST': - b.list() - elif stat[0] == 'BLANK': - b.del_line(stat[1]) - elif stat[0] == 'NEW': - b.new() - - - - - - - - - diff --git a/chall/ply-2.2/example/BASIC/basiclex.py b/chall/ply-2.2/example/BASIC/basiclex.py deleted file mode 100644 index 463ef9b..0000000 --- a/chall/ply-2.2/example/BASIC/basiclex.py +++ /dev/null @@ -1,74 +0,0 @@ -# An implementation of Dartmouth BASIC (1964) - -from ply import * - -keywords = ( - 'LET','READ','DATA','PRINT','GOTO','IF','THEN','FOR','NEXT','TO','STEP', - 'END','STOP','DEF','GOSUB','DIM','REM','RETURN','RUN','LIST','NEW', -) - -tokens = keywords + ( - 'EQUALS','PLUS','MINUS','TIMES','DIVIDE','POWER', - 'LPAREN','RPAREN','LT','LE','GT','GE','NE', - 'COMMA','SEMI', 'INTEGER','FLOAT', 'STRING', - 'ID','NEWLINE' -) - -t_ignore = ' \t' - -def t_REM(t): - r'REM .*' - return t - -def t_ID(t): - r'[A-Z][A-Z0-9]*' - if t.value in keywords: - t.type = t.value - return t - -t_EQUALS = r'=' -t_PLUS = r'\+' -t_MINUS = r'-' -t_TIMES = r'\*' -t_POWER = r'\^' -t_DIVIDE = r'/' -t_LPAREN = r'\(' -t_RPAREN = r'\)' -t_LT = r'<' -t_LE = r'<=' -t_GT = r'>' -t_GE = r'>=' -t_NE = r'<>' -t_COMMA = r'\,' -t_SEMI = r';' -t_INTEGER = r'\d+' -t_FLOAT = r'((\d*\.\d+)(E[\+-]?\d+)?|([1-9]\d*E[\+-]?\d+))' -t_STRING = r'\".*?\"' - -def t_NEWLINE(t): - r'\n' - t.lexer.lineno += 1 - return t - -def t_error(t): - print "Illegal character", t.value[0] - t.lexer.skip(1) - -lex.lex() - - - - - - - - - - - - - - - - - diff --git a/chall/ply-2.2/example/BASIC/basinterp.py b/chall/ply-2.2/example/BASIC/basinterp.py deleted file mode 100644 index 0252aa3..0000000 --- a/chall/ply-2.2/example/BASIC/basinterp.py +++ /dev/null @@ -1,440 +0,0 @@ -# This file provides the runtime support for running a basic program -# Assumes the program has been parsed using basparse.py - -import sys -import math -import random - -class BasicInterpreter: - - # Initialize the interpreter. prog is a dictionary - # containing (line,statement) mappings - def __init__(self,prog): - self.prog = prog - - self.functions = { # Built-in function table - 'SIN' : lambda z: math.sin(self.eval(z)), - 'COS' : lambda z: math.cos(self.eval(z)), - 'TAN' : lambda z: math.tan(self.eval(z)), - 'ATN' : lambda z: math.atan(self.eval(z)), - 'EXP' : lambda z: math.exp(self.eval(z)), - 'ABS' : lambda z: abs(self.eval(z)), - 'LOG' : lambda z: math.log(self.eval(z)), - 'SQR' : lambda z: math.sqrt(self.eval(z)), - 'INT' : lambda z: int(self.eval(z)), - 'RND' : lambda z: random.random() - } - - # Collect all data statements - def collect_data(self): - self.data = [] - for lineno in self.stat: - if self.prog[lineno][0] == 'DATA': - self.data = self.data + self.prog[lineno][1] - self.dc = 0 # Initialize the data counter - - # Check for end statements - def check_end(self): - has_end = 0 - for lineno in self.stat: - if self.prog[lineno][0] == 'END' and not has_end: - has_end = lineno - if not has_end: - print "NO END INSTRUCTION" - self.error = 1 - if has_end != lineno: - print "END IS NOT LAST" - self.error = 1 - - # Check loops - def check_loops(self): - for pc in range(len(self.stat)): - lineno = self.stat[pc] - if self.prog[lineno][0] == 'FOR': - forinst = self.prog[lineno] - loopvar = forinst[1] - for i in range(pc+1,len(self.stat)): - if self.prog[self.stat[i]][0] == 'NEXT': - nextvar = self.prog[self.stat[i]][1] - if nextvar != loopvar: continue - self.loopend[pc] = i - break - else: - print "FOR WITHOUT NEXT AT LINE" % self.stat[pc] - self.error = 1 - - # Evaluate an expression - def eval(self,expr): - etype = expr[0] - if etype == 'NUM': return expr[1] - elif etype == 'GROUP': return self.eval(expr[1]) - elif etype == 'UNARY': - if expr[1] == '-': return -self.eval(expr[2]) - elif etype == 'BINOP': - if expr[1] == '+': return self.eval(expr[2])+self.eval(expr[3]) - elif expr[1] == '-': return self.eval(expr[2])-self.eval(expr[3]) - elif expr[1] == '*': return self.eval(expr[2])*self.eval(expr[3]) - elif expr[1] == '/': return float(self.eval(expr[2]))/self.eval(expr[3]) - elif expr[1] == '^': return abs(self.eval(expr[2]))**self.eval(expr[3]) - elif etype == 'VAR': - var,dim1,dim2 = expr[1] - if not dim1 and not dim2: - if self.vars.has_key(var): - return self.vars[var] - else: - print "UNDEFINED VARIABLE", var, "AT LINE", self.stat[self.pc] - raise RuntimeError - # May be a list lookup or a function evaluation - if dim1 and not dim2: - if self.functions.has_key(var): - # A function - return self.functions[var](dim1) - else: - # A list evaluation - if self.lists.has_key(var): - dim1val = self.eval(dim1) - if dim1val < 1 or dim1val > len(self.lists[var]): - print "LIST INDEX OUT OF BOUNDS AT LINE", self.stat[self.pc] - raise RuntimeError - return self.lists[var][dim1val-1] - if dim1 and dim2: - if self.tables.has_key(var): - dim1val = self.eval(dim1) - dim2val = self.eval(dim2) - if dim1val < 1 or dim1val > len(self.tables[var]) or dim2val < 1 or dim2val > len(self.tables[var][0]): - print "TABLE INDEX OUT OUT BOUNDS AT LINE", self.stat[self.pc] - raise RuntimeError - return self.tables[var][dim1val-1][dim2val-1] - print "UNDEFINED VARIABLE", var, "AT LINE", self.stat[self.pc] - raise RuntimeError - - # Evaluate a relational expression - def releval(self,expr): - etype = expr[1] - lhs = self.eval(expr[2]) - rhs = self.eval(expr[3]) - if etype == '<': - if lhs < rhs: return 1 - else: return 0 - - elif etype == '<=': - if lhs <= rhs: return 1 - else: return 0 - - elif etype == '>': - if lhs > rhs: return 1 - else: return 0 - - elif etype == '>=': - if lhs >= rhs: return 1 - else: return 0 - - elif etype == '=': - if lhs == rhs: return 1 - else: return 0 - - elif etype == '<>': - if lhs != rhs: return 1 - else: return 0 - - # Assignment - def assign(self,target,value): - var, dim1, dim2 = target - if not dim1 and not dim2: - self.vars[var] = self.eval(value) - elif dim1 and not dim2: - # List assignment - dim1val = self.eval(dim1) - if not self.lists.has_key(var): - self.lists[var] = [0]*10 - - if dim1val > len(self.lists[var]): - print "DIMENSION TOO LARGE AT LINE", self.stat[self.pc] - raise RuntimeError - self.lists[var][dim1val-1] = self.eval(value) - elif dim1 and dim2: - dim1val = self.eval(dim1) - dim2val = self.eval(dim2) - if not self.tables.has_key(var): - temp = [0]*10 - v = [] - for i in range(10): v.append(temp[:]) - self.tables[var] = v - # Variable already exists - if dim1val > len(self.tables[var]) or dim2val > len(self.tables[var][0]): - print "DIMENSION TOO LARGE AT LINE", self.stat[self.pc] - raise RuntimeError - self.tables[var][dim1val-1][dim2val-1] = self.eval(value) - - # Change the current line number - def goto(self,linenum): - if not self.prog.has_key(linenum): - print "UNDEFINED LINE NUMBER %d AT LINE %d" % (linenum, self.stat[self.pc]) - raise RuntimeError - self.pc = self.stat.index(linenum) - - # Run it - def run(self): - self.vars = { } # All variables - self.lists = { } # List variables - self.tables = { } # Tables - self.loops = [ ] # Currently active loops - self.loopend= { } # Mapping saying where loops end - self.gosub = None # Gosub return point (if any) - self.error = 0 # Indicates program error - - self.stat = self.prog.keys() # Ordered list of all line numbers - self.stat.sort() - self.pc = 0 # Current program counter - - # Processing prior to running - - self.collect_data() # Collect all of the data statements - self.check_end() - self.check_loops() - - if self.error: raise RuntimeError - - while 1: - line = self.stat[self.pc] - instr = self.prog[line] - - op = instr[0] - - # END and STOP statements - if op == 'END' or op == 'STOP': - break # We're done - - # GOTO statement - elif op == 'GOTO': - newline = instr[1] - self.goto(newline) - continue - - # PRINT statement - elif op == 'PRINT': - plist = instr[1] - out = "" - for label,val in plist: - if out: - out += ' '*(15 - (len(out) % 15)) - out += label - if val: - if label: out += " " - eval = self.eval(val) - out += str(eval) - sys.stdout.write(out) - end = instr[2] - if not (end == ',' or end == ';'): - sys.stdout.write("\n") - if end == ',': sys.stdout.write(" "*(15-(len(out) % 15))) - if end == ';': sys.stdout.write(" "*(3-(len(out) % 3))) - - # LET statement - elif op == 'LET': - target = instr[1] - value = instr[2] - self.assign(target,value) - - # READ statement - elif op == 'READ': - for target in instr[1]: - if self.dc < len(self.data): - value = ('NUM',self.data[self.dc]) - self.assign(target,value) - self.dc += 1 - else: - # No more data. Program ends - return - elif op == 'IF': - relop = instr[1] - newline = instr[2] - if (self.releval(relop)): - self.goto(newline) - continue - - elif op == 'FOR': - loopvar = instr[1] - initval = instr[2] - finval = instr[3] - stepval = instr[4] - - # Check to see if this is a new loop - if not self.loops or self.loops[-1][0] != self.pc: - # Looks like a new loop. Make the initial assignment - newvalue = initval - self.assign((loopvar,None,None),initval) - if not stepval: stepval = ('NUM',1) - stepval = self.eval(stepval) # Evaluate step here - self.loops.append((self.pc,stepval)) - else: - # It's a repeat of the previous loop - # Update the value of the loop variable according to the step - stepval = ('NUM',self.loops[-1][1]) - newvalue = ('BINOP','+',('VAR',(loopvar,None,None)),stepval) - - if self.loops[-1][1] < 0: relop = '>=' - else: relop = '<=' - if not self.releval(('RELOP',relop,newvalue,finval)): - # Loop is done. Jump to the NEXT - self.pc = self.loopend[self.pc] - self.loops.pop() - else: - self.assign((loopvar,None,None),newvalue) - - elif op == 'NEXT': - if not self.loops: - print "NEXT WITHOUT FOR AT LINE",line - return - - nextvar = instr[1] - self.pc = self.loops[-1][0] - loopinst = self.prog[self.stat[self.pc]] - forvar = loopinst[1] - if nextvar != forvar: - print "NEXT DOESN'T MATCH FOR AT LINE", line - return - continue - elif op == 'GOSUB': - newline = instr[1] - if self.gosub: - print "ALREADY IN A SUBROUTINE AT LINE", line - return - self.gosub = self.stat[self.pc] - self.goto(newline) - continue - - elif op == 'RETURN': - if not self.gosub: - print "RETURN WITHOUT A GOSUB AT LINE",line - return - self.goto(self.gosub) - self.gosub = None - - elif op == 'FUNC': - fname = instr[1] - pname = instr[2] - expr = instr[3] - def eval_func(pvalue,name=pname,self=self,expr=expr): - self.assign((pname,None,None),pvalue) - return self.eval(expr) - self.functions[fname] = eval_func - - elif op == 'DIM': - for vname,x,y in instr[1]: - if y == 0: - # Single dimension variable - self.lists[vname] = [0]*x - else: - # Double dimension variable - temp = [0]*y - v = [] - for i in range(x): - v.append(temp[:]) - self.tables[vname] = v - - self.pc += 1 - - # Utility functions for program listing - def expr_str(self,expr): - etype = expr[0] - if etype == 'NUM': return str(expr[1]) - elif etype == 'GROUP': return "(%s)" % self.expr_str(expr[1]) - elif etype == 'UNARY': - if expr[1] == '-': return "-"+str(expr[2]) - elif etype == 'BINOP': - return "%s %s %s" % (self.expr_str(expr[2]),expr[1],self.expr_str(expr[3])) - elif etype == 'VAR': - return self.var_str(expr[1]) - - def relexpr_str(self,expr): - return "%s %s %s" % (self.expr_str(expr[2]),expr[1],self.expr_str(expr[3])) - - def var_str(self,var): - varname,dim1,dim2 = var - if not dim1 and not dim2: return varname - if dim1 and not dim2: return "%s(%s)" % (varname, self.expr_str(dim1)) - return "%s(%s,%s)" % (varname, self.expr_str(dim1),self.expr_str(dim2)) - - # Create a program listing - def list(self): - stat = self.prog.keys() # Ordered list of all line numbers - stat.sort() - for line in stat: - instr = self.prog[line] - op = instr[0] - if op in ['END','STOP','RETURN']: - print line, op - continue - elif op == 'REM': - print line, instr[1] - elif op == 'PRINT': - print line, op, - first = 1 - for p in instr[1]: - if not first: print ",", - if p[0] and p[1]: print '"%s"%s' % (p[0],self.expr_str(p[1])), - elif p[1]: print self.expr_str(p[1]), - else: print '"%s"' % (p[0],), - first = 0 - if instr[2]: print instr[2] - else: print - elif op == 'LET': - print line,"LET",self.var_str(instr[1]),"=",self.expr_str(instr[2]) - elif op == 'READ': - print line,"READ", - first = 1 - for r in instr[1]: - if not first: print ",", - print self.var_str(r), - first = 0 - print "" - elif op == 'IF': - print line,"IF %s THEN %d" % (self.relexpr_str(instr[1]),instr[2]) - elif op == 'GOTO' or op == 'GOSUB': - print line, op, instr[1] - elif op == 'FOR': - print line,"FOR %s = %s TO %s" % (instr[1],self.expr_str(instr[2]),self.expr_str(instr[3])), - if instr[4]: print "STEP %s" % (self.expr_str(instr[4])), - print - elif op == 'NEXT': - print line,"NEXT", instr[1] - elif op == 'FUNC': - print line,"DEF %s(%s) = %s" % (instr[1],instr[2],self.expr_str(instr[3])) - elif op == 'DIM': - print line,"DIM", - first = 1 - for vname,x,y in instr[1]: - if not first: print ",", - first = 0 - if y == 0: - print "%s(%d)" % (vname,x), - else: - print "%s(%d,%d)" % (vname,x,y), - - print - elif op == 'DATA': - print line,"DATA", - first = 1 - for v in instr[1]: - if not first: print ",", - first = 0 - print v, - print - - # Erase the current program - def new(self): - self.prog = {} - - # Insert statements - def add_statements(self,prog): - for line,stat in prog.items(): - self.prog[line] = stat - - # Delete a statement - def del_line(self,lineno): - try: - del self.prog[lineno] - except KeyError: - pass - diff --git a/chall/ply-2.2/example/BASIC/basparse.py b/chall/ply-2.2/example/BASIC/basparse.py deleted file mode 100644 index 79210ad..0000000 --- a/chall/ply-2.2/example/BASIC/basparse.py +++ /dev/null @@ -1,424 +0,0 @@ -# An implementation of Dartmouth BASIC (1964) -# - -from ply import * -import basiclex - -tokens = basiclex.tokens - -precedence = ( - ('left', 'PLUS','MINUS'), - ('left', 'TIMES','DIVIDE'), - ('left', 'POWER'), - ('right','UMINUS') -) - -#### A BASIC program is a series of statements. We represent the program as a -#### dictionary of tuples indexed by line number. - -def p_program(p): - '''program : program statement - | statement''' - - if len(p) == 2 and p[1]: - p[0] = { } - line,stat = p[1] - p[0][line] = stat - elif len(p) ==3: - p[0] = p[1] - if not p[0]: p[0] = { } - if p[2]: - line,stat = p[2] - p[0][line] = stat - -#### This catch-all rule is used for any catastrophic errors. In this case, -#### we simply return nothing - -def p_program_error(p): - '''program : error''' - p[0] = None - p.parser.error = 1 - -#### Format of all BASIC statements. - -def p_statement(p): - '''statement : INTEGER command NEWLINE''' - if isinstance(p[2],str): - print p[2],"AT LINE", p[1] - p[0] = None - p.parser.error = 1 - else: - lineno = int(p[1]) - p[0] = (lineno,p[2]) - -#### Interactive statements. - -def p_statement_interactive(p): - '''statement : RUN NEWLINE - | LIST NEWLINE - | NEW NEWLINE''' - p[0] = (0, (p[1],0)) - -#### Blank line number -def p_statement_blank(p): - '''statement : INTEGER NEWLINE''' - p[0] = (0,('BLANK',int(p[1]))) - -#### Error handling for malformed statements - -def p_statement_bad(p): - '''statement : INTEGER error NEWLINE''' - print "MALFORMED STATEMENT AT LINE", p[1] - p[0] = None - p.parser.error = 1 - -#### Blank line - -def p_statement_newline(p): - '''statement : NEWLINE''' - p[0] = None - -#### LET statement - -def p_command_let(p): - '''command : LET variable EQUALS expr''' - p[0] = ('LET',p[2],p[4]) - -def p_command_let_bad(p): - '''command : LET variable EQUALS error''' - p[0] = "BAD EXPRESSION IN LET" - -#### READ statement - -def p_command_read(p): - '''command : READ varlist''' - p[0] = ('READ',p[2]) - -def p_command_read_bad(p): - '''command : READ error''' - p[0] = "MALFORMED VARIABLE LIST IN READ" - -#### DATA statement - -def p_command_data(p): - '''command : DATA numlist''' - p[0] = ('DATA',p[2]) - -def p_command_data_bad(p): - '''command : DATA error''' - p[0] = "MALFORMED NUMBER LIST IN DATA" - -#### PRINT statement - -def p_command_print(p): - '''command : PRINT plist optend''' - p[0] = ('PRINT',p[2],p[3]) - -def p_command_print_bad(p): - '''command : PRINT error''' - p[0] = "MALFORMED PRINT STATEMENT" - -#### Optional ending on PRINT. Either a comma (,) or semicolon (;) - -def p_optend(p): - '''optend : COMMA - | SEMI - |''' - if len(p) == 2: - p[0] = p[1] - else: - p[0] = None - -#### PRINT statement with no arguments - -def p_command_print_empty(p): - '''command : PRINT''' - p[0] = ('PRINT',[],None) - -#### GOTO statement - -def p_command_goto(p): - '''command : GOTO INTEGER''' - p[0] = ('GOTO',int(p[2])) - -def p_command_goto_bad(p): - '''command : GOTO error''' - p[0] = "INVALID LINE NUMBER IN GOTO" - -#### IF-THEN statement - -def p_command_if(p): - '''command : IF relexpr THEN INTEGER''' - p[0] = ('IF',p[2],int(p[4])) - -def p_command_if_bad(p): - '''command : IF error THEN INTEGER''' - p[0] = "BAD RELATIONAL EXPRESSION" - -def p_command_if_bad2(p): - '''command : IF relexpr THEN error''' - p[0] = "INVALID LINE NUMBER IN THEN" - -#### FOR statement - -def p_command_for(p): - '''command : FOR ID EQUALS expr TO expr optstep''' - p[0] = ('FOR',p[2],p[4],p[6],p[7]) - -def p_command_for_bad_initial(p): - '''command : FOR ID EQUALS error TO expr optstep''' - p[0] = "BAD INITIAL VALUE IN FOR STATEMENT" - -def p_command_for_bad_final(p): - '''command : FOR ID EQUALS expr TO error optstep''' - p[0] = "BAD FINAL VALUE IN FOR STATEMENT" - -def p_command_for_bad_step(p): - '''command : FOR ID EQUALS expr TO expr STEP error''' - p[0] = "MALFORMED STEP IN FOR STATEMENT" - -#### Optional STEP qualifier on FOR statement - -def p_optstep(p): - '''optstep : STEP expr - | empty''' - if len(p) == 3: - p[0] = p[2] - else: - p[0] = None - -#### NEXT statement - -def p_command_next(p): - '''command : NEXT ID''' - - p[0] = ('NEXT',p[2]) - -def p_command_next_bad(p): - '''command : NEXT error''' - p[0] = "MALFORMED NEXT" - -#### END statement - -def p_command_end(p): - '''command : END''' - p[0] = ('END',) - -#### REM statement - -def p_command_rem(p): - '''command : REM''' - p[0] = ('REM',p[1]) - -#### STOP statement - -def p_command_stop(p): - '''command : STOP''' - p[0] = ('STOP',) - -#### DEF statement - -def p_command_def(p): - '''command : DEF ID LPAREN ID RPAREN EQUALS expr''' - p[0] = ('FUNC',p[2],p[4],p[7]) - -def p_command_def_bad_rhs(p): - '''command : DEF ID LPAREN ID RPAREN EQUALS error''' - p[0] = "BAD EXPRESSION IN DEF STATEMENT" - -def p_command_def_bad_arg(p): - '''command : DEF ID LPAREN error RPAREN EQUALS expr''' - p[0] = "BAD ARGUMENT IN DEF STATEMENT" - -#### GOSUB statement - -def p_command_gosub(p): - '''command : GOSUB INTEGER''' - p[0] = ('GOSUB',int(p[2])) - -def p_command_gosub_bad(p): - '''command : GOSUB error''' - p[0] = "INVALID LINE NUMBER IN GOSUB" - -#### RETURN statement - -def p_command_return(p): - '''command : RETURN''' - p[0] = ('RETURN',) - -#### DIM statement - -def p_command_dim(p): - '''command : DIM dimlist''' - p[0] = ('DIM',p[2]) - -def p_command_dim_bad(p): - '''command : DIM error''' - p[0] = "MALFORMED VARIABLE LIST IN DIM" - -#### List of variables supplied to DIM statement - -def p_dimlist(p): - '''dimlist : dimlist COMMA dimitem - | dimitem''' - if len(p) == 4: - p[0] = p[1] - p[0].append(p[3]) - else: - p[0] = [p[1]] - -#### DIM items - -def p_dimitem_single(p): - '''dimitem : ID LPAREN INTEGER RPAREN''' - p[0] = (p[1],eval(p[3]),0) - -def p_dimitem_double(p): - '''dimitem : ID LPAREN INTEGER COMMA INTEGER RPAREN''' - p[0] = (p[1],eval(p[3]),eval(p[5])) - -#### Arithmetic expressions - -def p_expr_binary(p): - '''expr : expr PLUS expr - | expr MINUS expr - | expr TIMES expr - | expr DIVIDE expr - | expr POWER expr''' - - p[0] = ('BINOP',p[2],p[1],p[3]) - -def p_expr_number(p): - '''expr : INTEGER - | FLOAT''' - p[0] = ('NUM',eval(p[1])) - -def p_expr_variable(p): - '''expr : variable''' - p[0] = ('VAR',p[1]) - -def p_expr_group(p): - '''expr : LPAREN expr RPAREN''' - p[0] = ('GROUP',p[2]) - -def p_expr_unary(p): - '''expr : MINUS expr %prec UMINUS''' - p[0] = ('UNARY','-',p[2]) - -#### Relational expressions - -def p_relexpr(p): - '''relexpr : expr LT expr - | expr LE expr - | expr GT expr - | expr GE expr - | expr EQUALS expr - | expr NE expr''' - p[0] = ('RELOP',p[2],p[1],p[3]) - -#### Variables - -def p_variable(p): - '''variable : ID - | ID LPAREN expr RPAREN - | ID LPAREN expr COMMA expr RPAREN''' - if len(p) == 2: - p[0] = (p[1],None,None) - elif len(p) == 5: - p[0] = (p[1],p[3],None) - else: - p[0] = (p[1],p[3],p[5]) - -#### Builds a list of variable targets as a Python list - -def p_varlist(p): - '''varlist : varlist COMMA variable - | variable''' - if len(p) > 2: - p[0] = p[1] - p[0].append(p[3]) - else: - p[0] = [p[1]] - - -#### Builds a list of numbers as a Python list - -def p_numlist(p): - '''numlist : numlist COMMA number - | number''' - - if len(p) > 2: - p[0] = p[1] - p[0].append(p[3]) - else: - p[0] = [p[1]] - -#### A number. May be an integer or a float - -def p_number(p): - '''number : INTEGER - | FLOAT''' - p[0] = eval(p[1]) - -#### A signed number. - -def p_number_signed(p): - '''number : MINUS INTEGER - | MINUS FLOAT''' - p[0] = eval("-"+p[2]) - -#### List of targets for a print statement -#### Returns a list of tuples (label,expr) - -def p_plist(p): - '''plist : plist COMMA pitem - | pitem''' - if len(p) > 3: - p[0] = p[1] - p[0].append(p[3]) - else: - p[0] = [p[1]] - -def p_item_string(p): - '''pitem : STRING''' - p[0] = (p[1][1:-1],None) - -def p_item_string_expr(p): - '''pitem : STRING expr''' - p[0] = (p[1][1:-1],p[2]) - -def p_item_expr(p): - '''pitem : expr''' - p[0] = ("",p[1]) - -#### Empty - -def p_empty(p): - '''empty : ''' - -#### Catastrophic error handler -def p_error(p): - if not p: - print "SYNTAX ERROR AT EOF" - -bparser = yacc.yacc() - -def parse(data): - bparser.error = 0 - p = bparser.parse(data) - if bparser.error: return None - return p - - - - - - - - - - - - - - diff --git a/chall/ply-2.2/example/BASIC/dim.bas b/chall/ply-2.2/example/BASIC/dim.bas deleted file mode 100644 index 87bd95b..0000000 --- a/chall/ply-2.2/example/BASIC/dim.bas +++ /dev/null @@ -1,14 +0,0 @@ -5 DIM A(50,15) -10 FOR I = 1 TO 50 -20 FOR J = 1 TO 15 -30 LET A(I,J) = I + J -35 REM PRINT I,J, A(I,J) -40 NEXT J -50 NEXT I -100 FOR I = 1 TO 50 -110 FOR J = 1 TO 15 -120 PRINT A(I,J), -130 NEXT J -140 PRINT -150 NEXT I -999 END diff --git a/chall/ply-2.2/example/BASIC/func.bas b/chall/ply-2.2/example/BASIC/func.bas deleted file mode 100644 index 447ee16..0000000 --- a/chall/ply-2.2/example/BASIC/func.bas +++ /dev/null @@ -1,5 +0,0 @@ -10 DEF FDX(X) = 2*X -20 FOR I = 0 TO 100 -30 PRINT FDX(I) -40 NEXT I -50 END diff --git a/chall/ply-2.2/example/BASIC/gcd.bas b/chall/ply-2.2/example/BASIC/gcd.bas deleted file mode 100644 index d0b7746..0000000 --- a/chall/ply-2.2/example/BASIC/gcd.bas +++ /dev/null @@ -1,22 +0,0 @@ -10 PRINT "A","B","C","GCD" -20 READ A,B,C -30 LET X = A -40 LET Y = B -50 GOSUB 200 -60 LET X = G -70 LET Y = C -80 GOSUB 200 -90 PRINT A, B, C, G -100 GOTO 20 -110 DATA 60, 90, 120 -120 DATA 38456, 64872, 98765 -130 DATA 32, 384, 72 -200 LET Q = INT(X/Y) -210 LET R = X - Q*Y -220 IF R = 0 THEN 300 -230 LET X = Y -240 LET Y = R -250 GOTO 200 -300 LET G = Y -310 RETURN -999 END diff --git a/chall/ply-2.2/example/BASIC/gosub.bas b/chall/ply-2.2/example/BASIC/gosub.bas deleted file mode 100644 index 99737b1..0000000 --- a/chall/ply-2.2/example/BASIC/gosub.bas +++ /dev/null @@ -1,13 +0,0 @@ -100 LET X = 3 -110 GOSUB 400 -120 PRINT U, V, W -200 LET X = 5 -210 GOSUB 400 -220 LET Z = U + 2*V + 3*W -230 PRINT Z -240 GOTO 999 -400 LET U = X*X -410 LET V = X*X*X -420 LET W = X*X*X*X + X*X*X + X*X + X -430 RETURN -999 END diff --git a/chall/ply-2.2/example/BASIC/hello.bas b/chall/ply-2.2/example/BASIC/hello.bas deleted file mode 100644 index cc6f0b0..0000000 --- a/chall/ply-2.2/example/BASIC/hello.bas +++ /dev/null @@ -1,4 +0,0 @@ -5 REM HELLO WORLD PROGAM -10 PRINT "HELLO WORLD" -99 END - diff --git a/chall/ply-2.2/example/BASIC/linear.bas b/chall/ply-2.2/example/BASIC/linear.bas deleted file mode 100644 index 56c0822..0000000 --- a/chall/ply-2.2/example/BASIC/linear.bas +++ /dev/null @@ -1,17 +0,0 @@ -1 REM ::: SOLVE A SYSTEM OF LINEAR EQUATIONS -2 REM ::: A1*X1 + A2*X2 = B1 -3 REM ::: A3*X1 + A4*X2 = B2 -4 REM -------------------------------------- -10 READ A1, A2, A3, A4 -15 LET D = A1 * A4 - A3 * A2 -20 IF D = 0 THEN 65 -30 READ B1, B2 -37 LET X1 = (B1*A4 - B2*A2) / D -42 LET X2 = (A1*B2 - A3*B1) / D -55 PRINT X1, X2 -60 GOTO 30 -65 PRINT "NO UNIQUE SOLUTION" -70 DATA 1, 2, 4 -80 DATA 2, -7, 5 -85 DATA 1, 3, 4, -7 -90 END diff --git a/chall/ply-2.2/example/BASIC/maxsin.bas b/chall/ply-2.2/example/BASIC/maxsin.bas deleted file mode 100644 index b969015..0000000 --- a/chall/ply-2.2/example/BASIC/maxsin.bas +++ /dev/null @@ -1,12 +0,0 @@ -5 PRINT "X VALUE", "SINE", "RESOLUTION" -10 READ D -20 LET M = -1 -30 FOR X = 0 TO 3 STEP D -40 IF SIN(X) <= M THEN 80 -50 LET X0 = X -60 LET M = SIN(X) -80 NEXT X -85 PRINT X0, M, D -90 GOTO 10 -100 DATA .1, .01, .001 -110 END diff --git a/chall/ply-2.2/example/BASIC/powers.bas b/chall/ply-2.2/example/BASIC/powers.bas deleted file mode 100644 index a454dc3..0000000 --- a/chall/ply-2.2/example/BASIC/powers.bas +++ /dev/null @@ -1,13 +0,0 @@ -5 PRINT "THIS PROGRAM COMPUTES AND PRINTS THE NTH POWERS" -6 PRINT "OF THE NUMBERS LESS THAN OR EQUAL TO N FOR VARIOUS" -7 PRINT "N FROM 1 THROUGH 7" -8 PRINT -10 FOR N = 1 TO 7 -15 PRINT "N = "N -20 FOR I = 1 TO N -30 PRINT I^N, -40 NEXT I -50 PRINT -60 PRINT -70 NEXT N -80 END diff --git a/chall/ply-2.2/example/BASIC/rand.bas b/chall/ply-2.2/example/BASIC/rand.bas deleted file mode 100644 index 4ff7a14..0000000 --- a/chall/ply-2.2/example/BASIC/rand.bas +++ /dev/null @@ -1,4 +0,0 @@ -10 FOR I = 1 TO 20 -20 PRINT INT(10*RND(0)) -30 NEXT I -40 END diff --git a/chall/ply-2.2/example/BASIC/sales.bas b/chall/ply-2.2/example/BASIC/sales.bas deleted file mode 100644 index a39aefb..0000000 --- a/chall/ply-2.2/example/BASIC/sales.bas +++ /dev/null @@ -1,20 +0,0 @@ -10 FOR I = 1 TO 3 -20 READ P(I) -30 NEXT I -40 FOR I = 1 TO 3 -50 FOR J = 1 TO 5 -60 READ S(I,J) -70 NEXT J -80 NEXT I -90 FOR J = 1 TO 5 -100 LET S = 0 -110 FOR I = 1 TO 3 -120 LET S = S + P(I) * S(I,J) -130 NEXT I -140 PRINT "TOTAL SALES FOR SALESMAN"J, "$"S -150 NEXT J -200 DATA 1.25, 4.30, 2.50 -210 DATA 40, 20, 37, 29, 42 -220 DATA 10, 16, 3, 21, 8 -230 DATA 35, 47, 29, 16, 33 -300 END diff --git a/chall/ply-2.2/example/BASIC/sears.bas b/chall/ply-2.2/example/BASIC/sears.bas deleted file mode 100644 index 5ced397..0000000 --- a/chall/ply-2.2/example/BASIC/sears.bas +++ /dev/null @@ -1,18 +0,0 @@ -1 REM :: THIS PROGRAM COMPUTES HOW MANY TIMES YOU HAVE TO FOLD -2 REM :: A PIECE OF PAPER SO THAT IT IS TALLER THAN THE -3 REM :: SEARS TOWER. -4 REM :: S = HEIGHT OF TOWER (METERS) -5 REM :: T = THICKNESS OF PAPER (MILLIMETERS) -10 LET S = 442 -20 LET T = 0.1 -30 REM CONVERT T TO METERS -40 LET T = T * .001 -50 LET F = 1 -60 LET H = T -100 IF H > S THEN 200 -120 LET H = 2 * H -125 LET F = F + 1 -130 GOTO 100 -200 PRINT "NUMBER OF FOLDS ="F -220 PRINT "FINAL HEIGHT ="H -999 END diff --git a/chall/ply-2.2/example/BASIC/sqrt1.bas b/chall/ply-2.2/example/BASIC/sqrt1.bas deleted file mode 100644 index 6673a91..0000000 --- a/chall/ply-2.2/example/BASIC/sqrt1.bas +++ /dev/null @@ -1,5 +0,0 @@ -10 LET X = 0 -20 LET X = X + 1 -30 PRINT X, SQR(X) -40 IF X < 100 THEN 20 -50 END diff --git a/chall/ply-2.2/example/BASIC/sqrt2.bas b/chall/ply-2.2/example/BASIC/sqrt2.bas deleted file mode 100644 index 862d85e..0000000 --- a/chall/ply-2.2/example/BASIC/sqrt2.bas +++ /dev/null @@ -1,4 +0,0 @@ -10 FOR X = 1 TO 100 -20 PRINT X, SQR(X) -30 NEXT X -40 END diff --git a/chall/ply-2.2/example/GardenSnake/GardenSnake.py b/chall/ply-2.2/example/GardenSnake/GardenSnake.py deleted file mode 100644 index 2a7f45e..0000000 --- a/chall/ply-2.2/example/GardenSnake/GardenSnake.py +++ /dev/null @@ -1,709 +0,0 @@ -# GardenSnake - a parser generator demonstration program -# -# This implements a modified version of a subset of Python: -# - only 'def', 'return' and 'if' statements -# - 'if' only has 'then' clause (no elif nor else) -# - single-quoted strings only, content in raw format -# - numbers are decimal.Decimal instances (not integers or floats) -# - no print statment; use the built-in 'print' function -# - only < > == + - / * implemented (and unary + -) -# - assignment and tuple assignment work -# - no generators of any sort -# - no ... well, no quite a lot - -# Why? I'm thinking about a new indentation-based configuration -# language for a project and wanted to figure out how to do it. Once -# I got that working I needed a way to test it out. My original AST -# was dumb so I decided to target Python's AST and compile it into -# Python code. Plus, it's pretty cool that it only took a day or so -# from sitting down with Ply to having working code. - -# This uses David Beazley's Ply from http://www.dabeaz.com/ply/ - -# This work is hereby released into the Public Domain. To view a copy of -# the public domain dedication, visit -# http://creativecommons.org/licenses/publicdomain/ or send a letter to -# Creative Commons, 543 Howard Street, 5th Floor, San Francisco, -# California, 94105, USA. -# -# Portions of this work are derived from Python's Grammar definition -# and may be covered under the Python copyright and license -# -# Andrew Dalke / Dalke Scientific Software, LLC -# 30 August 2006 / Cape Town, South Africa - -# Changelog: -# 30 August - added link to CC license; removed the "swapcase" encoding - -# Modifications for inclusion in PLY distribution -import sys -sys.path.insert(0,"../..") -from ply import * - -##### Lexer ###### -#import lex -import decimal - -tokens = ( - 'DEF', - 'IF', - 'NAME', - 'NUMBER', # Python decimals - 'STRING', # single quoted strings only; syntax of raw strings - 'LPAR', - 'RPAR', - 'COLON', - 'EQ', - 'ASSIGN', - 'LT', - 'GT', - 'PLUS', - 'MINUS', - 'MULT', - 'DIV', - 'RETURN', - 'WS', - 'NEWLINE', - 'COMMA', - 'SEMICOLON', - 'INDENT', - 'DEDENT', - 'ENDMARKER', - ) - -#t_NUMBER = r'\d+' -# taken from decmial.py but without the leading sign -def t_NUMBER(t): - r"""(\d+(\.\d*)?|\.\d+)([eE][-+]? \d+)?""" - t.value = decimal.Decimal(t.value) - return t - -def t_STRING(t): - r"'([^\\']+|\\'|\\\\)*'" # I think this is right ... - t.value=t.value[1:-1].decode("string-escape") # .swapcase() # for fun - return t - -t_COLON = r':' -t_EQ = r'==' -t_ASSIGN = r'=' -t_LT = r'<' -t_GT = r'>' -t_PLUS = r'\+' -t_MINUS = r'-' -t_MULT = r'\*' -t_DIV = r'/' -t_COMMA = r',' -t_SEMICOLON = r';' - -# Ply nicely documented how to do this. - -RESERVED = { - "def": "DEF", - "if": "IF", - "return": "RETURN", - } - -def t_NAME(t): - r'[a-zA-Z_][a-zA-Z0-9_]*' - t.type = RESERVED.get(t.value, "NAME") - return t - -# Putting this before t_WS let it consume lines with only comments in -# them so the latter code never sees the WS part. Not consuming the -# newline. Needed for "if 1: #comment" -def t_comment(t): - r"[ ]*\043[^\n]*" # \043 is '#' - pass - - -# Whitespace -def t_WS(t): - r' [ ]+ ' - if t.lexer.at_line_start and t.lexer.paren_count == 0: - return t - -# Don't generate newline tokens when inside of parenthesis, eg -# a = (1, -# 2, 3) -def t_newline(t): - r'\n+' - t.lexer.lineno += len(t.value) - t.type = "NEWLINE" - if t.lexer.paren_count == 0: - return t - -def t_LPAR(t): - r'\(' - t.lexer.paren_count += 1 - return t - -def t_RPAR(t): - r'\)' - # check for underflow? should be the job of the parser - t.lexer.paren_count -= 1 - return t - - -def t_error(t): - raise SyntaxError("Unknown symbol %r" % (t.value[0],)) - print "Skipping", repr(t.value[0]) - t.lexer.skip(1) - -## I implemented INDENT / DEDENT generation as a post-processing filter - -# The original lex token stream contains WS and NEWLINE characters. -# WS will only occur before any other tokens on a line. - -# I have three filters. One tags tokens by adding two attributes. -# "must_indent" is True if the token must be indented from the -# previous code. The other is "at_line_start" which is True for WS -# and the first non-WS/non-NEWLINE on a line. It flags the check so -# see if the new line has changed indication level. - -# Python's syntax has three INDENT states -# 0) no colon hence no need to indent -# 1) "if 1: go()" - simple statements have a COLON but no need for an indent -# 2) "if 1:\n go()" - complex statements have a COLON NEWLINE and must indent -NO_INDENT = 0 -MAY_INDENT = 1 -MUST_INDENT = 2 - -# only care about whitespace at the start of a line -def track_tokens_filter(lexer, tokens): - lexer.at_line_start = at_line_start = True - indent = NO_INDENT - saw_colon = False - for token in tokens: - token.at_line_start = at_line_start - - if token.type == "COLON": - at_line_start = False - indent = MAY_INDENT - token.must_indent = False - - elif token.type == "NEWLINE": - at_line_start = True - if indent == MAY_INDENT: - indent = MUST_INDENT - token.must_indent = False - - elif token.type == "WS": - assert token.at_line_start == True - at_line_start = True - token.must_indent = False - - else: - # A real token; only indent after COLON NEWLINE - if indent == MUST_INDENT: - token.must_indent = True - else: - token.must_indent = False - at_line_start = False - indent = NO_INDENT - - yield token - lexer.at_line_start = at_line_start - -def _new_token(type, lineno): - tok = lex.LexToken() - tok.type = type - tok.value = None - tok.lineno = lineno - return tok - -# Synthesize a DEDENT tag -def DEDENT(lineno): - return _new_token("DEDENT", lineno) - -# Synthesize an INDENT tag -def INDENT(lineno): - return _new_token("INDENT", lineno) - - -# Track the indentation level and emit the right INDENT / DEDENT events. -def indentation_filter(tokens): - # A stack of indentation levels; will never pop item 0 - levels = [0] - token = None - depth = 0 - prev_was_ws = False - for token in tokens: -## if 1: -## print "Process", token, -## if token.at_line_start: -## print "at_line_start", -## if token.must_indent: -## print "must_indent", -## print - - # WS only occurs at the start of the line - # There may be WS followed by NEWLINE so - # only track the depth here. Don't indent/dedent - # until there's something real. - if token.type == "WS": - assert depth == 0 - depth = len(token.value) - prev_was_ws = True - # WS tokens are never passed to the parser - continue - - if token.type == "NEWLINE": - depth = 0 - if prev_was_ws or token.at_line_start: - # ignore blank lines - continue - # pass the other cases on through - yield token - continue - - # then it must be a real token (not WS, not NEWLINE) - # which can affect the indentation level - - prev_was_ws = False - if token.must_indent: - # The current depth must be larger than the previous level - if not (depth > levels[-1]): - raise IndentationError("expected an indented block") - - levels.append(depth) - yield INDENT(token.lineno) - - elif token.at_line_start: - # Must be on the same level or one of the previous levels - if depth == levels[-1]: - # At the same level - pass - elif depth > levels[-1]: - raise IndentationError("indentation increase but not in new block") - else: - # Back up; but only if it matches a previous level - try: - i = levels.index(depth) - except ValueError: - raise IndentationError("inconsistent indentation") - for _ in range(i+1, len(levels)): - yield DEDENT(token.lineno) - levels.pop() - - yield token - - ### Finished processing ### - - # Must dedent any remaining levels - if len(levels) > 1: - assert token is not None - for _ in range(1, len(levels)): - yield DEDENT(token.lineno) - - -# The top-level filter adds an ENDMARKER, if requested. -# Python's grammar uses it. -def filter(lexer, add_endmarker = True): - token = None - tokens = iter(lexer.token, None) - tokens = track_tokens_filter(lexer, tokens) - for token in indentation_filter(tokens): - yield token - - if add_endmarker: - lineno = 1 - if token is not None: - lineno = token.lineno - yield _new_token("ENDMARKER", lineno) - -# Combine Ply and my filters into a new lexer - -class IndentLexer(object): - def __init__(self, debug=0, optimize=0, lextab='lextab', reflags=0): - self.lexer = lex.lex(debug=debug, optimize=optimize, lextab=lextab, reflags=reflags) - self.token_stream = None - def input(self, s, add_endmarker=True): - self.lexer.paren_count = 0 - self.lexer.input(s) - self.token_stream = filter(self.lexer, add_endmarker) - def token(self): - try: - return self.token_stream.next() - except StopIteration: - return None - -########## Parser (tokens -> AST) ###### - -# also part of Ply -#import yacc - -# I use the Python AST -from compiler import ast - -# Helper function -def Assign(left, right): - names = [] - if isinstance(left, ast.Name): - # Single assignment on left - return ast.Assign([ast.AssName(left.name, 'OP_ASSIGN')], right) - elif isinstance(left, ast.Tuple): - # List of things - make sure they are Name nodes - names = [] - for child in left.getChildren(): - if not isinstance(child, ast.Name): - raise SyntaxError("that assignment not supported") - names.append(child.name) - ass_list = [ast.AssName(name, 'OP_ASSIGN') for name in names] - return ast.Assign([ast.AssTuple(ass_list)], right) - else: - raise SyntaxError("Can't do that yet") - - -# The grammar comments come from Python's Grammar/Grammar file - -## NB: compound_stmt in single_input is followed by extra NEWLINE! -# file_input: (NEWLINE | stmt)* ENDMARKER -def p_file_input_end(p): - """file_input_end : file_input ENDMARKER""" - p[0] = ast.Stmt(p[1]) -def p_file_input(p): - """file_input : file_input NEWLINE - | file_input stmt - | NEWLINE - | stmt""" - if isinstance(p[len(p)-1], basestring): - if len(p) == 3: - p[0] = p[1] - else: - p[0] = [] # p == 2 --> only a blank line - else: - if len(p) == 3: - p[0] = p[1] + p[2] - else: - p[0] = p[1] - - -# funcdef: [decorators] 'def' NAME parameters ':' suite -# ignoring decorators -def p_funcdef(p): - "funcdef : DEF NAME parameters COLON suite" - p[0] = ast.Function(None, p[2], tuple(p[3]), (), 0, None, p[5]) - -# parameters: '(' [varargslist] ')' -def p_parameters(p): - """parameters : LPAR RPAR - | LPAR varargslist RPAR""" - if len(p) == 3: - p[0] = [] - else: - p[0] = p[2] - - -# varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' '**' NAME] | '**' NAME) | -# highly simplified -def p_varargslist(p): - """varargslist : varargslist COMMA NAME - | NAME""" - if len(p) == 4: - p[0] = p[1] + p[3] - else: - p[0] = [p[1]] - -# stmt: simple_stmt | compound_stmt -def p_stmt_simple(p): - """stmt : simple_stmt""" - # simple_stmt is a list - p[0] = p[1] - -def p_stmt_compound(p): - """stmt : compound_stmt""" - p[0] = [p[1]] - -# simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE -def p_simple_stmt(p): - """simple_stmt : small_stmts NEWLINE - | small_stmts SEMICOLON NEWLINE""" - p[0] = p[1] - -def p_small_stmts(p): - """small_stmts : small_stmts SEMICOLON small_stmt - | small_stmt""" - if len(p) == 4: - p[0] = p[1] + [p[3]] - else: - p[0] = [p[1]] - -# small_stmt: expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt | -# import_stmt | global_stmt | exec_stmt | assert_stmt -def p_small_stmt(p): - """small_stmt : flow_stmt - | expr_stmt""" - p[0] = p[1] - -# expr_stmt: testlist (augassign (yield_expr|testlist) | -# ('=' (yield_expr|testlist))*) -# augassign: ('+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' | -# '<<=' | '>>=' | '**=' | '//=') -def p_expr_stmt(p): - """expr_stmt : testlist ASSIGN testlist - | testlist """ - if len(p) == 2: - # a list of expressions - p[0] = ast.Discard(p[1]) - else: - p[0] = Assign(p[1], p[3]) - -def p_flow_stmt(p): - "flow_stmt : return_stmt" - p[0] = p[1] - -# return_stmt: 'return' [testlist] -def p_return_stmt(p): - "return_stmt : RETURN testlist" - p[0] = ast.Return(p[2]) - - -def p_compound_stmt(p): - """compound_stmt : if_stmt - | funcdef""" - p[0] = p[1] - -def p_if_stmt(p): - 'if_stmt : IF test COLON suite' - p[0] = ast.If([(p[2], p[4])], None) - -def p_suite(p): - """suite : simple_stmt - | NEWLINE INDENT stmts DEDENT""" - if len(p) == 2: - p[0] = ast.Stmt(p[1]) - else: - p[0] = ast.Stmt(p[3]) - - -def p_stmts(p): - """stmts : stmts stmt - | stmt""" - if len(p) == 3: - p[0] = p[1] + p[2] - else: - p[0] = p[1] - -## No using Python's approach because Ply supports precedence - -# comparison: expr (comp_op expr)* -# arith_expr: term (('+'|'-') term)* -# term: factor (('*'|'/'|'%'|'//') factor)* -# factor: ('+'|'-'|'~') factor | power -# comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not' - -def make_lt_compare((left, right)): - return ast.Compare(left, [('<', right),]) -def make_gt_compare((left, right)): - return ast.Compare(left, [('>', right),]) -def make_eq_compare((left, right)): - return ast.Compare(left, [('==', right),]) - - -binary_ops = { - "+": ast.Add, - "-": ast.Sub, - "*": ast.Mul, - "/": ast.Div, - "<": make_lt_compare, - ">": make_gt_compare, - "==": make_eq_compare, -} -unary_ops = { - "+": ast.UnaryAdd, - "-": ast.UnarySub, - } -precedence = ( - ("left", "EQ", "GT", "LT"), - ("left", "PLUS", "MINUS"), - ("left", "MULT", "DIV"), - ) - -def p_comparison(p): - """comparison : comparison PLUS comparison - | comparison MINUS comparison - | comparison MULT comparison - | comparison DIV comparison - | comparison LT comparison - | comparison EQ comparison - | comparison GT comparison - | PLUS comparison - | MINUS comparison - | power""" - if len(p) == 4: - p[0] = binary_ops[p[2]]((p[1], p[3])) - elif len(p) == 3: - p[0] = unary_ops[p[1]](p[2]) - else: - p[0] = p[1] - -# power: atom trailer* ['**' factor] -# trailers enables function calls. I only allow one level of calls -# so this is 'trailer' -def p_power(p): - """power : atom - | atom trailer""" - if len(p) == 2: - p[0] = p[1] - else: - if p[2][0] == "CALL": - p[0] = ast.CallFunc(p[1], p[2][1], None, None) - else: - raise AssertionError("not implemented") - -def p_atom_name(p): - """atom : NAME""" - p[0] = ast.Name(p[1]) - -def p_atom_number(p): - """atom : NUMBER - | STRING""" - p[0] = ast.Const(p[1]) - -def p_atom_tuple(p): - """atom : LPAR testlist RPAR""" - p[0] = p[2] - -# trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME -def p_trailer(p): - "trailer : LPAR arglist RPAR" - p[0] = ("CALL", p[2]) - -# testlist: test (',' test)* [','] -# Contains shift/reduce error -def p_testlist(p): - """testlist : testlist_multi COMMA - | testlist_multi """ - if len(p) == 2: - p[0] = p[1] - else: - # May need to promote singleton to tuple - if isinstance(p[1], list): - p[0] = p[1] - else: - p[0] = [p[1]] - # Convert into a tuple? - if isinstance(p[0], list): - p[0] = ast.Tuple(p[0]) - -def p_testlist_multi(p): - """testlist_multi : testlist_multi COMMA test - | test""" - if len(p) == 2: - # singleton - p[0] = p[1] - else: - if isinstance(p[1], list): - p[0] = p[1] + [p[3]] - else: - # singleton -> tuple - p[0] = [p[1], p[3]] - - -# test: or_test ['if' or_test 'else' test] | lambdef -# as I don't support 'and', 'or', and 'not' this works down to 'comparison' -def p_test(p): - "test : comparison" - p[0] = p[1] - - - -# arglist: (argument ',')* (argument [',']| '*' test [',' '**' test] | '**' test) -# XXX INCOMPLETE: this doesn't allow the trailing comma -def p_arglist(p): - """arglist : arglist COMMA argument - | argument""" - if len(p) == 4: - p[0] = p[1] + [p[3]] - else: - p[0] = [p[1]] - -# argument: test [gen_for] | test '=' test # Really [keyword '='] test -def p_argument(p): - "argument : test" - p[0] = p[1] - -def p_error(p): - #print "Error!", repr(p) - raise SyntaxError(p) - - -class GardenSnakeParser(object): - def __init__(self, lexer = None): - if lexer is None: - lexer = IndentLexer() - self.lexer = lexer - self.parser = yacc.yacc(start="file_input_end") - - def parse(self, code): - self.lexer.input(code) - result = self.parser.parse(lexer = self.lexer) - return ast.Module(None, result) - - -###### Code generation ###### - -from compiler import misc, syntax, pycodegen - -class GardenSnakeCompiler(object): - def __init__(self): - self.parser = GardenSnakeParser() - def compile(self, code, filename=""): - tree = self.parser.parse(code) - #print tree - misc.set_filename(filename, tree) - syntax.check(tree) - gen = pycodegen.ModuleCodeGenerator(tree) - code = gen.getCode() - return code - -####### Test code ####### - -compile = GardenSnakeCompiler().compile - -code = r""" - -print('LET\'S TRY THIS \\OUT') - -#Comment here -def x(a): - print('called with',a) - if a == 1: - return 2 - if a*2 > 10: return 999 / 4 - # Another comment here - - return a+2*3 - -ints = (1, 2, - 3, 4, -5) -print('mutiline-expression', ints) - -t = 4+1/3*2+6*(9-5+1) -print('predence test; should be 34+2/3:', t, t==(34+2/3)) - -print('numbers', 1,2,3,4,5) -if 1: - 8 - a=9 - print(x(a)) - -print(x(1)) -print(x(2)) -print(x(8),'3') -print('this is decimal', 1/5) -print('BIG DECIMAL', 1.234567891234567e12345) - -""" - -# Set up the GardenSnake run-time environment -def print_(*args): - print "-->", " ".join(map(str,args)) - -globals()["print"] = print_ - -compiled_code = compile(code) - -exec compiled_code in globals() -print "Done" diff --git a/chall/ply-2.2/example/GardenSnake/README b/chall/ply-2.2/example/GardenSnake/README deleted file mode 100644 index 4d8be2d..0000000 --- a/chall/ply-2.2/example/GardenSnake/README +++ /dev/null @@ -1,5 +0,0 @@ -This example is Andrew Dalke's GardenSnake language. It shows how to process an -indentation-like language like Python. Further details can be found here: - -http://dalkescientific.com/writings/diary/archive/2006/08/30/gardensnake_language.html - diff --git a/chall/ply-2.2/example/README b/chall/ply-2.2/example/README deleted file mode 100644 index 63519b5..0000000 --- a/chall/ply-2.2/example/README +++ /dev/null @@ -1,10 +0,0 @@ -Simple examples: - calc - Simple calculator - classcalc - Simple calculate defined as a class - -Complex examples - ansic - ANSI C grammar from K&R - BASIC - A small BASIC interpreter - GardenSnake - A simple python-like language - yply - Converts Unix yacc files to PLY programs. - diff --git a/chall/ply-2.2/example/ansic/README b/chall/ply-2.2/example/ansic/README deleted file mode 100644 index e049d3b..0000000 --- a/chall/ply-2.2/example/ansic/README +++ /dev/null @@ -1,2 +0,0 @@ -This example is incomplete. Was going to specify an ANSI C parser. -This is part of it. diff --git a/chall/ply-2.2/example/ansic/clex.py b/chall/ply-2.2/example/ansic/clex.py deleted file mode 100644 index 6b9d7e7..0000000 --- a/chall/ply-2.2/example/ansic/clex.py +++ /dev/null @@ -1,164 +0,0 @@ -# ---------------------------------------------------------------------- -# clex.py -# -# A lexer for ANSI C. -# ---------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - -import ply.lex as lex - -# Reserved words -reserved = ( - 'AUTO', 'BREAK', 'CASE', 'CHAR', 'CONST', 'CONTINUE', 'DEFAULT', 'DO', 'DOUBLE', - 'ELSE', 'ENUM', 'EXTERN', 'FLOAT', 'FOR', 'GOTO', 'IF', 'INT', 'LONG', 'REGISTER', - 'RETURN', 'SHORT', 'SIGNED', 'SIZEOF', 'STATIC', 'STRUCT', 'SWITCH', 'TYPEDEF', - 'UNION', 'UNSIGNED', 'VOID', 'VOLATILE', 'WHILE', - ) - -tokens = reserved + ( - # Literals (identifier, integer constant, float constant, string constant, char const) - 'ID', 'TYPEID', 'ICONST', 'FCONST', 'SCONST', 'CCONST', - - # Operators (+,-,*,/,%,|,&,~,^,<<,>>, ||, &&, !, <, <=, >, >=, ==, !=) - 'PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MOD', - 'OR', 'AND', 'NOT', 'XOR', 'LSHIFT', 'RSHIFT', - 'LOR', 'LAND', 'LNOT', - 'LT', 'LE', 'GT', 'GE', 'EQ', 'NE', - - # Assignment (=, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=) - 'EQUALS', 'TIMESEQUAL', 'DIVEQUAL', 'MODEQUAL', 'PLUSEQUAL', 'MINUSEQUAL', - 'LSHIFTEQUAL','RSHIFTEQUAL', 'ANDEQUAL', 'XOREQUAL', 'OREQUAL', - - # Increment/decrement (++,--) - 'PLUSPLUS', 'MINUSMINUS', - - # Structure dereference (->) - 'ARROW', - - # Conditional operator (?) - 'CONDOP', - - # Delimeters ( ) [ ] { } , . ; : - 'LPAREN', 'RPAREN', - 'LBRACKET', 'RBRACKET', - 'LBRACE', 'RBRACE', - 'COMMA', 'PERIOD', 'SEMI', 'COLON', - - # Ellipsis (...) - 'ELLIPSIS', - ) - -# Completely ignored characters -t_ignore = ' \t\x0c' - -# Newlines -def t_NEWLINE(t): - r'\n+' - t.lexer.lineno += t.value.count("\n") - -# Operators -t_PLUS = r'\+' -t_MINUS = r'-' -t_TIMES = r'\*' -t_DIVIDE = r'/' -t_MOD = r'%' -t_OR = r'\|' -t_AND = r'&' -t_NOT = r'~' -t_XOR = r'\^' -t_LSHIFT = r'<<' -t_RSHIFT = r'>>' -t_LOR = r'\|\|' -t_LAND = r'&&' -t_LNOT = r'!' -t_LT = r'<' -t_GT = r'>' -t_LE = r'<=' -t_GE = r'>=' -t_EQ = r'==' -t_NE = r'!=' - -# Assignment operators - -t_EQUALS = r'=' -t_TIMESEQUAL = r'\*=' -t_DIVEQUAL = r'/=' -t_MODEQUAL = r'%=' -t_PLUSEQUAL = r'\+=' -t_MINUSEQUAL = r'-=' -t_LSHIFTEQUAL = r'<<=' -t_RSHIFTEQUAL = r'>>=' -t_ANDEQUAL = r'&=' -t_OREQUAL = r'\|=' -t_XOREQUAL = r'^=' - -# Increment/decrement -t_PLUSPLUS = r'\+\+' -t_MINUSMINUS = r'--' - -# -> -t_ARROW = r'->' - -# ? -t_CONDOP = r'\?' - -# Delimeters -t_LPAREN = r'\(' -t_RPAREN = r'\)' -t_LBRACKET = r'\[' -t_RBRACKET = r'\]' -t_LBRACE = r'\{' -t_RBRACE = r'\}' -t_COMMA = r',' -t_PERIOD = r'\.' -t_SEMI = r';' -t_COLON = r':' -t_ELLIPSIS = r'\.\.\.' - -# Identifiers and reserved words - -reserved_map = { } -for r in reserved: - reserved_map[r.lower()] = r - -def t_ID(t): - r'[A-Za-z_][\w_]*' - t.type = reserved_map.get(t.value,"ID") - return t - -# Integer literal -t_ICONST = r'\d+([uU]|[lL]|[uU][lL]|[lL][uU])?' - -# Floating literal -t_FCONST = r'((\d+)(\.\d+)(e(\+|-)?(\d+))? | (\d+)e(\+|-)?(\d+))([lL]|[fF])?' - -# String literal -t_SCONST = r'\"([^\\\n]|(\\.))*?\"' - -# Character constant 'c' or L'c' -t_CCONST = r'(L)?\'([^\\\n]|(\\.))*?\'' - -# Comments -def t_comment(t): - r' /\*(.|\n)*?\*/' - t.lineno += t.value.count('\n') - -# Preprocessor directive (ignored) -def t_preprocessor(t): - r'\#(.)*?\n' - t.lineno += 1 - -def t_error(t): - print "Illegal character %s" % repr(t.value[0]) - t.lexer.skip(1) - -lexer = lex.lex(optimize=1) -if __name__ == "__main__": - lex.runmain(lexer) - - - - - diff --git a/chall/ply-2.2/example/ansic/cparse.py b/chall/ply-2.2/example/ansic/cparse.py deleted file mode 100644 index b6a0c42..0000000 --- a/chall/ply-2.2/example/ansic/cparse.py +++ /dev/null @@ -1,863 +0,0 @@ -# ----------------------------------------------------------------------------- -# cparse.py -# -# Simple parser for ANSI C. Based on the grammar in K&R, 2nd Ed. -# ----------------------------------------------------------------------------- - -import sys -import clex -import ply.yacc as yacc - -# Get the token map -tokens = clex.tokens - -# translation-unit: - -def p_translation_unit_1(t): - 'translation_unit : external_declaration' - pass - -def p_translation_unit_2(t): - 'translation_unit : translation_unit external_declaration' - pass - -# external-declaration: - -def p_external_declaration_1(t): - 'external_declaration : function_definition' - pass - -def p_external_declaration_2(t): - 'external_declaration : declaration' - pass - -# function-definition: - -def p_function_definition_1(t): - 'function_definition : declaration_specifiers declarator declaration_list compound_statement' - pass - -def p_function_definition_2(t): - 'function_definition : declarator declaration_list compound_statement' - pass - -def p_function_definition_3(t): - 'function_definition : declarator compound_statement' - pass - -def p_function_definition_4(t): - 'function_definition : declaration_specifiers declarator compound_statement' - pass - -# declaration: - -def p_declaration_1(t): - 'declaration : declaration_specifiers init_declarator_list SEMI' - pass - -def p_declaration_2(t): - 'declaration : declaration_specifiers SEMI' - pass - -# declaration-list: - -def p_declaration_list_1(t): - 'declaration_list : declaration' - pass - -def p_declaration_list_2(t): - 'declaration_list : declaration_list declaration ' - pass - -# declaration-specifiers -def p_declaration_specifiers_1(t): - 'declaration_specifiers : storage_class_specifier declaration_specifiers' - pass - -def p_declaration_specifiers_2(t): - 'declaration_specifiers : type_specifier declaration_specifiers' - pass - -def p_declaration_specifiers_3(t): - 'declaration_specifiers : type_qualifier declaration_specifiers' - pass - -def p_declaration_specifiers_4(t): - 'declaration_specifiers : storage_class_specifier' - pass - -def p_declaration_specifiers_5(t): - 'declaration_specifiers : type_specifier' - pass - -def p_declaration_specifiers_6(t): - 'declaration_specifiers : type_qualifier' - pass - -# storage-class-specifier -def p_storage_class_specifier(t): - '''storage_class_specifier : AUTO - | REGISTER - | STATIC - | EXTERN - | TYPEDEF - ''' - pass - -# type-specifier: -def p_type_specifier(t): - '''type_specifier : VOID - | CHAR - | SHORT - | INT - | LONG - | FLOAT - | DOUBLE - | SIGNED - | UNSIGNED - | struct_or_union_specifier - | enum_specifier - | TYPEID - ''' - pass - -# type-qualifier: -def p_type_qualifier(t): - '''type_qualifier : CONST - | VOLATILE''' - pass - -# struct-or-union-specifier - -def p_struct_or_union_specifier_1(t): - 'struct_or_union_specifier : struct_or_union ID LBRACE struct_declaration_list RBRACE' - pass - -def p_struct_or_union_specifier_2(t): - 'struct_or_union_specifier : struct_or_union LBRACE struct_declaration_list RBRACE' - pass - -def p_struct_or_union_specifier_3(t): - 'struct_or_union_specifier : struct_or_union ID' - pass - -# struct-or-union: -def p_struct_or_union(t): - '''struct_or_union : STRUCT - | UNION - ''' - pass - -# struct-declaration-list: - -def p_struct_declaration_list_1(t): - 'struct_declaration_list : struct_declaration' - pass - -def p_struct_declaration_list_2(t): - 'struct_declaration_list : struct_declarator_list struct_declaration' - pass - -# init-declarator-list: - -def p_init_declarator_list_1(t): - 'init_declarator_list : init_declarator' - pass - -def p_init_declarator_list_2(t): - 'init_declarator_list : init_declarator_list COMMA init_declarator' - pass - -# init-declarator - -def p_init_declarator_1(t): - 'init_declarator : declarator' - pass - -def p_init_declarator_2(t): - 'init_declarator : declarator EQUALS initializer' - pass - -# struct-declaration: - -def p_struct_declaration(t): - 'struct_declaration : specifier_qualifier_list struct_declarator_list SEMI' - pass - -# specifier-qualifier-list: - -def p_specifier_qualifier_list_1(t): - 'specifier_qualifier_list : type_specifier specifier_qualifier_list' - pass - -def p_specifier_qualifier_list_2(t): - 'specifier_qualifier_list : type_specifier' - pass - -def p_specifier_qualifier_list_3(t): - 'specifier_qualifier_list : type_qualifier specifier_qualifier_list' - pass - -def p_specifier_qualifier_list_4(t): - 'specifier_qualifier_list : type_qualifier' - pass - -# struct-declarator-list: - -def p_struct_declarator_list_1(t): - 'struct_declarator_list : struct_declarator' - pass - -def p_struct_declarator_list_2(t): - 'struct_declarator_list : struct_declarator_list COMMA struct_declarator' - pass - -# struct-declarator: - -def p_struct_declarator_1(t): - 'struct_declarator : declarator' - pass - -def p_struct_declarator_2(t): - 'struct_declarator : declarator COLON constant_expression' - pass - -def p_struct_declarator_3(t): - 'struct_declarator : COLON constant_expression' - pass - -# enum-specifier: - -def p_enum_specifier_1(t): - 'enum_specifier : ENUM ID LBRACE enumerator_list RBRACE' - pass - -def p_enum_specifier_2(t): - 'enum_specifier : ENUM LBRACE enumerator_list RBRACE' - pass - -def p_enum_specifier_3(t): - 'enum_specifier : ENUM ID' - pass - -# enumerator_list: -def p_enumerator_list_1(t): - 'enumerator_list : enumerator' - pass - -def p_enumerator_list_2(t): - 'enumerator_list : enumerator_list COMMA enumerator' - pass - -# enumerator: -def p_enumerator_1(t): - 'enumerator : ID' - pass - -def p_enumerator_2(t): - 'enumerator : ID EQUALS constant_expression' - pass - -# declarator: - -def p_declarator_1(t): - 'declarator : pointer direct_declarator' - pass - -def p_declarator_2(t): - 'declarator : direct_declarator' - pass - -# direct-declarator: - -def p_direct_declarator_1(t): - 'direct_declarator : ID' - pass - -def p_direct_declarator_2(t): - 'direct_declarator : LPAREN declarator RPAREN' - pass - -def p_direct_declarator_3(t): - 'direct_declarator : direct_declarator LBRACKET constant_expression_opt RBRACKET' - pass - -def p_direct_declarator_4(t): - 'direct_declarator : direct_declarator LPAREN parameter_type_list RPAREN ' - pass - -def p_direct_declarator_5(t): - 'direct_declarator : direct_declarator LPAREN identifier_list RPAREN ' - pass - -def p_direct_declarator_6(t): - 'direct_declarator : direct_declarator LPAREN RPAREN ' - pass - -# pointer: -def p_pointer_1(t): - 'pointer : TIMES type_qualifier_list' - pass - -def p_pointer_2(t): - 'pointer : TIMES' - pass - -def p_pointer_3(t): - 'pointer : TIMES type_qualifier_list pointer' - pass - -def p_pointer_4(t): - 'pointer : TIMES pointer' - pass - -# type-qualifier-list: - -def p_type_qualifier_list_1(t): - 'type_qualifier_list : type_qualifier' - pass - -def p_type_qualifier_list_2(t): - 'type_qualifier_list : type_qualifier_list type_qualifier' - pass - -# parameter-type-list: - -def p_parameter_type_list_1(t): - 'parameter_type_list : parameter_list' - pass - -def p_parameter_type_list_2(t): - 'parameter_type_list : parameter_list COMMA ELLIPSIS' - pass - -# parameter-list: - -def p_parameter_list_1(t): - 'parameter_list : parameter_declaration' - pass - -def p_parameter_list_2(t): - 'parameter_list : parameter_list COMMA parameter_declaration' - pass - -# parameter-declaration: -def p_parameter_declaration_1(t): - 'parameter_declaration : declaration_specifiers declarator' - pass - -def p_parameter_declaration_2(t): - 'parameter_declaration : declaration_specifiers abstract_declarator_opt' - pass - -# identifier-list: -def p_identifier_list_1(t): - 'identifier_list : ID' - pass - -def p_identifier_list_2(t): - 'identifier_list : identifier_list COMMA ID' - pass - -# initializer: - -def p_initializer_1(t): - 'initializer : assignment_expression' - pass - -def p_initializer_2(t): - '''initializer : LBRACE initializer_list RBRACE - | LBRACE initializer_list COMMA RBRACE''' - pass - -# initializer-list: - -def p_initializer_list_1(t): - 'initializer_list : initializer' - pass - -def p_initializer_list_2(t): - 'initializer_list : initializer_list COMMA initializer' - pass - -# type-name: - -def p_type_name(t): - 'type_name : specifier_qualifier_list abstract_declarator_opt' - pass - -def p_abstract_declarator_opt_1(t): - 'abstract_declarator_opt : empty' - pass - -def p_abstract_declarator_opt_2(t): - 'abstract_declarator_opt : abstract_declarator' - pass - -# abstract-declarator: - -def p_abstract_declarator_1(t): - 'abstract_declarator : pointer ' - pass - -def p_abstract_declarator_2(t): - 'abstract_declarator : pointer direct_abstract_declarator' - pass - -def p_abstract_declarator_3(t): - 'abstract_declarator : direct_abstract_declarator' - pass - -# direct-abstract-declarator: - -def p_direct_abstract_declarator_1(t): - 'direct_abstract_declarator : LPAREN abstract_declarator RPAREN' - pass - -def p_direct_abstract_declarator_2(t): - 'direct_abstract_declarator : direct_abstract_declarator LBRACKET constant_expression_opt RBRACKET' - pass - -def p_direct_abstract_declarator_3(t): - 'direct_abstract_declarator : LBRACKET constant_expression_opt RBRACKET' - pass - -def p_direct_abstract_declarator_4(t): - 'direct_abstract_declarator : direct_abstract_declarator LPAREN parameter_type_list_opt RPAREN' - pass - -def p_direct_abstract_declarator_5(t): - 'direct_abstract_declarator : LPAREN parameter_type_list_opt RPAREN' - pass - -# Optional fields in abstract declarators - -def p_constant_expression_opt_1(t): - 'constant_expression_opt : empty' - pass - -def p_constant_expression_opt_2(t): - 'constant_expression_opt : constant_expression' - pass - -def p_parameter_type_list_opt_1(t): - 'parameter_type_list_opt : empty' - pass - -def p_parameter_type_list_opt_2(t): - 'parameter_type_list_opt : parameter_type_list' - pass - -# statement: - -def p_statement(t): - ''' - statement : labeled_statement - | expression_statement - | compound_statement - | selection_statement - | iteration_statement - | jump_statement - ''' - pass - -# labeled-statement: - -def p_labeled_statement_1(t): - 'labeled_statement : ID COLON statement' - pass - -def p_labeled_statement_2(t): - 'labeled_statement : CASE constant_expression COLON statement' - pass - -def p_labeled_statement_3(t): - 'labeled_statement : DEFAULT COLON statement' - pass - -# expression-statement: -def p_expression_statement(t): - 'expression_statement : expression_opt SEMI' - pass - -# compound-statement: - -def p_compound_statement_1(t): - 'compound_statement : LBRACE declaration_list statement_list RBRACE' - pass - -def p_compound_statement_2(t): - 'compound_statement : LBRACE statement_list RBRACE' - pass - -def p_compound_statement_3(t): - 'compound_statement : LBRACE declaration_list RBRACE' - pass - -def p_compound_statement_4(t): - 'compound_statement : LBRACE RBRACE' - pass - -# statement-list: - -def p_statement_list_1(t): - 'statement_list : statement' - pass - -def p_statement_list_2(t): - 'statement_list : statement_list statement' - pass - -# selection-statement - -def p_selection_statement_1(t): - 'selection_statement : IF LPAREN expression RPAREN statement' - pass - -def p_selection_statement_2(t): - 'selection_statement : IF LPAREN expression RPAREN statement ELSE statement ' - pass - -def p_selection_statement_3(t): - 'selection_statement : SWITCH LPAREN expression RPAREN statement ' - pass - -# iteration_statement: - -def p_iteration_statement_1(t): - 'iteration_statement : WHILE LPAREN expression RPAREN statement' - pass - -def p_iteration_statement_2(t): - 'iteration_statement : FOR LPAREN expression_opt SEMI expression_opt SEMI expression_opt RPAREN statement ' - pass - -def p_iteration_statement_3(t): - 'iteration_statement : DO statement WHILE LPAREN expression RPAREN SEMI' - pass - -# jump_statement: - -def p_jump_statement_1(t): - 'jump_statement : GOTO ID SEMI' - pass - -def p_jump_statement_2(t): - 'jump_statement : CONTINUE SEMI' - pass - -def p_jump_statement_3(t): - 'jump_statement : BREAK SEMI' - pass - -def p_jump_statement_4(t): - 'jump_statement : RETURN expression_opt SEMI' - pass - -def p_expression_opt_1(t): - 'expression_opt : empty' - pass - -def p_expression_opt_2(t): - 'expression_opt : expression' - pass - -# expression: -def p_expression_1(t): - 'expression : assignment_expression' - pass - -def p_expression_2(t): - 'expression : expression COMMA assignment_expression' - pass - -# assigment_expression: -def p_assignment_expression_1(t): - 'assignment_expression : conditional_expression' - pass - -def p_assignment_expression_2(t): - 'assignment_expression : unary_expression assignment_operator assignment_expression' - pass - -# assignment_operator: -def p_assignment_operator(t): - ''' - assignment_operator : EQUALS - | TIMESEQUAL - | DIVEQUAL - | MODEQUAL - | PLUSEQUAL - | MINUSEQUAL - | LSHIFTEQUAL - | RSHIFTEQUAL - | ANDEQUAL - | OREQUAL - | XOREQUAL - ''' - pass - -# conditional-expression -def p_conditional_expression_1(t): - 'conditional_expression : logical_or_expression' - pass - -def p_conditional_expression_2(t): - 'conditional_expression : logical_or_expression CONDOP expression COLON conditional_expression ' - pass - -# constant-expression - -def p_constant_expression(t): - 'constant_expression : conditional_expression' - pass - -# logical-or-expression - -def p_logical_or_expression_1(t): - 'logical_or_expression : logical_and_expression' - pass - -def p_logical_or_expression_2(t): - 'logical_or_expression : logical_or_expression LOR logical_and_expression' - pass - -# logical-and-expression - -def p_logical_and_expression_1(t): - 'logical_and_expression : inclusive_or_expression' - pass - -def p_logical_and_expression_2(t): - 'logical_and_expression : logical_and_expression LAND inclusive_or_expression' - pass - -# inclusive-or-expression: - -def p_inclusive_or_expression_1(t): - 'inclusive_or_expression : exclusive_or_expression' - pass - -def p_inclusive_or_expression_2(t): - 'inclusive_or_expression : inclusive_or_expression OR exclusive_or_expression' - pass - -# exclusive-or-expression: - -def p_exclusive_or_expression_1(t): - 'exclusive_or_expression : and_expression' - pass - -def p_exclusive_or_expression_2(t): - 'exclusive_or_expression : exclusive_or_expression XOR and_expression' - pass - -# AND-expression - -def p_and_expression_1(t): - 'and_expression : equality_expression' - pass - -def p_and_expression_2(t): - 'and_expression : and_expression AND equality_expression' - pass - - -# equality-expression: -def p_equality_expression_1(t): - 'equality_expression : relational_expression' - pass - -def p_equality_expression_2(t): - 'equality_expression : equality_expression EQ relational_expression' - pass - -def p_equality_expression_3(t): - 'equality_expression : equality_expression NE relational_expression' - pass - - -# relational-expression: -def p_relational_expression_1(t): - 'relational_expression : shift_expression' - pass - -def p_relational_expression_2(t): - 'relational_expression : relational_expression LT shift_expression' - pass - -def p_relational_expression_3(t): - 'relational_expression : relational_expression GT shift_expression' - pass - -def p_relational_expression_4(t): - 'relational_expression : relational_expression LE shift_expression' - pass - -def p_relational_expression_5(t): - 'relational_expression : relational_expression GE shift_expression' - pass - -# shift-expression - -def p_shift_expression_1(t): - 'shift_expression : additive_expression' - pass - -def p_shift_expression_2(t): - 'shift_expression : shift_expression LSHIFT additive_expression' - pass - -def p_shift_expression_3(t): - 'shift_expression : shift_expression RSHIFT additive_expression' - pass - -# additive-expression - -def p_additive_expression_1(t): - 'additive_expression : multiplicative_expression' - pass - -def p_additive_expression_2(t): - 'additive_expression : additive_expression PLUS multiplicative_expression' - pass - -def p_additive_expression_3(t): - 'additive_expression : additive_expression MINUS multiplicative_expression' - pass - -# multiplicative-expression - -def p_multiplicative_expression_1(t): - 'multiplicative_expression : cast_expression' - pass - -def p_multiplicative_expression_2(t): - 'multiplicative_expression : multiplicative_expression TIMES cast_expression' - pass - -def p_multiplicative_expression_3(t): - 'multiplicative_expression : multiplicative_expression DIVIDE cast_expression' - pass - -def p_multiplicative_expression_4(t): - 'multiplicative_expression : multiplicative_expression MOD cast_expression' - pass - -# cast-expression: - -def p_cast_expression_1(t): - 'cast_expression : unary_expression' - pass - -def p_cast_expression_2(t): - 'cast_expression : LPAREN type_name RPAREN cast_expression' - pass - -# unary-expression: -def p_unary_expression_1(t): - 'unary_expression : postfix_expression' - pass - -def p_unary_expression_2(t): - 'unary_expression : PLUSPLUS unary_expression' - pass - -def p_unary_expression_3(t): - 'unary_expression : MINUSMINUS unary_expression' - pass - -def p_unary_expression_4(t): - 'unary_expression : unary_operator cast_expression' - pass - -def p_unary_expression_5(t): - 'unary_expression : SIZEOF unary_expression' - pass - -def p_unary_expression_6(t): - 'unary_expression : SIZEOF LPAREN type_name RPAREN' - pass - -#unary-operator -def p_unary_operator(t): - '''unary_operator : AND - | TIMES - | PLUS - | MINUS - | NOT - | LNOT ''' - pass - -# postfix-expression: -def p_postfix_expression_1(t): - 'postfix_expression : primary_expression' - pass - -def p_postfix_expression_2(t): - 'postfix_expression : postfix_expression LBRACKET expression RBRACKET' - pass - -def p_postfix_expression_3(t): - 'postfix_expression : postfix_expression LPAREN argument_expression_list RPAREN' - pass - -def p_postfix_expression_4(t): - 'postfix_expression : postfix_expression LPAREN RPAREN' - pass - -def p_postfix_expression_5(t): - 'postfix_expression : postfix_expression PERIOD ID' - pass - -def p_postfix_expression_6(t): - 'postfix_expression : postfix_expression ARROW ID' - pass - -def p_postfix_expression_7(t): - 'postfix_expression : postfix_expression PLUSPLUS' - pass - -def p_postfix_expression_8(t): - 'postfix_expression : postfix_expression MINUSMINUS' - pass - -# primary-expression: -def p_primary_expression(t): - '''primary_expression : ID - | constant - | SCONST - | LPAREN expression RPAREN''' - pass - -# argument-expression-list: -def p_argument_expression_list(t): - '''argument_expression_list : assignment_expression - | argument_expression_list COMMA assignment_expression''' - pass - -# constant: -def p_constant(t): - '''constant : ICONST - | FCONST - | CCONST''' - pass - - -def p_empty(t): - 'empty : ' - pass - -def p_error(t): - print "Whoa. We're hosed" - -import profile -# Build the grammar - -yacc.yacc(method='LALR') - -#profile.run("yacc.yacc(method='LALR')") - - - - diff --git a/chall/ply-2.2/example/ansic/lextab.py b/chall/ply-2.2/example/ansic/lextab.py deleted file mode 100644 index ce9804b..0000000 --- a/chall/ply-2.2/example/ansic/lextab.py +++ /dev/null @@ -1,8 +0,0 @@ -# lextab.py. This file automatically created by PLY (version 2.2). Don't edit! -_lextokens = {'SHORT': None, 'SIGNED': None, 'TIMES': None, 'TYPEID': None, 'GT': None, 'ARROW': None, 'FCONST': None, 'CONST': None, 'GE': None, 'PERIOD': None, 'SEMI': None, 'REGISTER': None, 'ENUM': None, 'SIZEOF': None, 'COMMA': None, 'RBRACE': None, 'RPAREN': None, 'RSHIFTEQUAL': None, 'LT': None, 'OREQUAL': None, 'XOREQUAL': None, 'DOUBLE': None, 'LBRACE': None, 'STRUCT': None, 'LPAREN': None, 'PLUSEQUAL': None, 'LNOT': None, 'NOT': None, 'CONDOP': None, 'LE': None, 'FLOAT': None, 'GOTO': None, 'LOR': None, 'EQ': None, 'MOD': None, 'ICONST': None, 'LONG': None, 'PLUS': None, 'DIVIDE': None, 'WHILE': None, 'UNION': None, 'CHAR': None, 'SWITCH': None, 'DO': None, 'FOR': None, 'VOID': None, 'EXTERN': None, 'RETURN': None, 'MINUSEQUAL': None, 'ELSE': None, 'ANDEQUAL': None, 'BREAK': None, 'CCONST': None, 'INT': None, 'DIVEQUAL': None, 'DEFAULT': None, 'TIMESEQUAL': None, 'MINUS': None, 'OR': None, 'CONTINUE': None, 'IF': None, 'UNSIGNED': None, 'ID': None, 'MINUSMINUS': None, 'COLON': None, 'LSHIFTEQUAL': None, 'RBRACKET': None, 'VOLATILE': None, 'CASE': None, 'PLUSPLUS': None, 'RSHIFT': None, 'MODEQUAL': None, 'LAND': None, 'AND': None, 'ELLIPSIS': None, 'STATIC': None, 'LBRACKET': None, 'LSHIFT': None, 'NE': None, 'TYPEDEF': None, 'AUTO': None, 'XOR': None, 'EQUALS': None, 'SCONST': None} -_lexreflags = 0 -_lexliterals = '' -_lexstateinfo = {'INITIAL': 'inclusive'} -_lexstatere = {'INITIAL': [('(?P\\n+)|(?P[A-Za-z_][\\w_]*)|(?P /\\*(.|\\n)*?\\*/)|(?P\\#(.)*?\\n)|(?P((\\d+)(\\.\\d+)(e(\\+|-)?(\\d+))? | (\\d+)e(\\+|-)?(\\d+))([lL]|[fF])?)|(?P\\d+([uU]|[lL]|[uU][lL]|[lL][uU])?)|(?P(L)?\\\'([^\\\\\\n]|(\\\\.))*?\\\')|(?P\\"([^\\\\\\n]|(\\\\.))*?\\")|(?P\\.\\.\\.)|(?P\\|\\|)|(?P\\+\\+)|(?P\\*=)|(?P>>=)|(?P\\|=)|(?P\\+=)|(?P<<=)|(?P\\])|(?P%=)|(?P^=)|(?P<<)|(?P\\*)|(?P&&)|(?P--)|(?P!=)|(?P\\()|(?P&=)|(?P>>)|(?P\\[)|(?P\\{)|(?P\\|)|(?P\\})|(?P->)|(?P\\+)|(?P\\?)|(?P<=)|(?P-=)|(?P\\.)|(?P/=)|(?P==)|(?P>=)|(?P\\))|(?P\\^)|(?P;)|(?P&)|(?P~)|(?P=)|(?P%)|(?P<)|(?P-)|(?P!)|(?P/)|(?P,)|(?P>)|(?P:)', [None, ('t_NEWLINE', 'NEWLINE'), ('t_ID', 'ID'), ('t_comment', 'comment'), None, ('t_preprocessor', 'preprocessor'), None, (None, 'FCONST'), None, None, None, None, None, None, None, None, None, None, (None, 'ICONST'), None, (None, 'CCONST'), None, None, None, (None, 'SCONST'), None, None, (None, 'ELLIPSIS'), (None, 'LOR'), (None, 'PLUSPLUS'), (None, 'TIMESEQUAL'), (None, 'RSHIFTEQUAL'), (None, 'OREQUAL'), (None, 'PLUSEQUAL'), (None, 'LSHIFTEQUAL'), (None, 'RBRACKET'), (None, 'MODEQUAL'), (None, 'XOREQUAL'), (None, 'LSHIFT'), (None, 'TIMES'), (None, 'LAND'), (None, 'MINUSMINUS'), (None, 'NE'), (None, 'LPAREN'), (None, 'ANDEQUAL'), (None, 'RSHIFT'), (None, 'LBRACKET'), (None, 'LBRACE'), (None, 'OR'), (None, 'RBRACE'), (None, 'ARROW'), (None, 'PLUS'), (None, 'CONDOP'), (None, 'LE'), (None, 'MINUSEQUAL'), (None, 'PERIOD'), (None, 'DIVEQUAL'), (None, 'EQ'), (None, 'GE'), (None, 'RPAREN'), (None, 'XOR'), (None, 'SEMI'), (None, 'AND'), (None, 'NOT'), (None, 'EQUALS'), (None, 'MOD'), (None, 'LT'), (None, 'MINUS'), (None, 'LNOT'), (None, 'DIVIDE'), (None, 'COMMA'), (None, 'GT'), (None, 'COLON')])]} -_lexstateignore = {'INITIAL': ' \t\f'} -_lexstateerrorf = {'INITIAL': 't_error'} diff --git a/chall/ply-2.2/example/calc/calc.py b/chall/ply-2.2/example/calc/calc.py deleted file mode 100644 index 5bf5d5d..0000000 --- a/chall/ply-2.2/example/calc/calc.py +++ /dev/null @@ -1,105 +0,0 @@ -# ----------------------------------------------------------------------------- -# calc.py -# -# A simple calculator with variables. This is from O'Reilly's -# "Lex and Yacc", p. 63. -# ----------------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - -tokens = ( - 'NAME','NUMBER', - ) - -literals = ['=','+','-','*','/', '(',')'] - -# Tokens - -t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' - -def t_NUMBER(t): - r'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - return t - -t_ignore = " \t" - -def t_newline(t): - r'\n+' - t.lexer.lineno += t.value.count("\n") - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -import ply.lex as lex -lex.lex() - -# Parsing rules - -precedence = ( - ('left','+','-'), - ('left','*','/'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(p): - 'statement : NAME "=" expression' - names[p[1]] = p[3] - -def p_statement_expr(p): - 'statement : expression' - print p[1] - -def p_expression_binop(p): - '''expression : expression '+' expression - | expression '-' expression - | expression '*' expression - | expression '/' expression''' - if p[2] == '+' : p[0] = p[1] + p[3] - elif p[2] == '-': p[0] = p[1] - p[3] - elif p[2] == '*': p[0] = p[1] * p[3] - elif p[2] == '/': p[0] = p[1] / p[3] - -def p_expression_uminus(p): - "expression : '-' expression %prec UMINUS" - p[0] = -p[2] - -def p_expression_group(p): - "expression : '(' expression ')'" - p[0] = p[2] - -def p_expression_number(p): - "expression : NUMBER" - p[0] = p[1] - -def p_expression_name(p): - "expression : NAME" - try: - p[0] = names[p[1]] - except LookupError: - print "Undefined name '%s'" % p[1] - p[0] = 0 - -def p_error(p): - print "Syntax error at '%s'" % p.value - -import ply.yacc as yacc -yacc.yacc() - -while 1: - try: - s = raw_input('calc > ') - except EOFError: - break - if not s: continue - yacc.parse(s) diff --git a/chall/ply-2.2/example/classcalc/calc.py b/chall/ply-2.2/example/classcalc/calc.py deleted file mode 100755 index 7ec09a6..0000000 --- a/chall/ply-2.2/example/classcalc/calc.py +++ /dev/null @@ -1,152 +0,0 @@ -#!/usr/bin/env python - -# ----------------------------------------------------------------------------- -# calc.py -# -# A simple calculator with variables. This is from O'Reilly's -# "Lex and Yacc", p. 63. -# -# Class-based example contributed to PLY by David McNab -# ----------------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - -import readline -import ply.lex as lex -import ply.yacc as yacc -import os - -class Parser: - """ - Base class for a lexer/parser that has the rules defined as methods - """ - tokens = () - precedence = () - - def __init__(self, **kw): - self.debug = kw.get('debug', 0) - self.names = { } - try: - modname = os.path.split(os.path.splitext(__file__)[0])[1] + "_" + self.__class__.__name__ - except: - modname = "parser"+"_"+self.__class__.__name__ - self.debugfile = modname + ".dbg" - self.tabmodule = modname + "_" + "parsetab" - #print self.debugfile, self.tabmodule - - # Build the lexer and parser - lex.lex(module=self, debug=self.debug) - yacc.yacc(module=self, - debug=self.debug, - debugfile=self.debugfile, - tabmodule=self.tabmodule) - - def run(self): - while 1: - try: - s = raw_input('calc > ') - except EOFError: - break - if not s: continue - yacc.parse(s) - - -class Calc(Parser): - - tokens = ( - 'NAME','NUMBER', - 'PLUS','MINUS','EXP', 'TIMES','DIVIDE','EQUALS', - 'LPAREN','RPAREN', - ) - - # Tokens - - t_PLUS = r'\+' - t_MINUS = r'-' - t_EXP = r'\*\*' - t_TIMES = r'\*' - t_DIVIDE = r'/' - t_EQUALS = r'=' - t_LPAREN = r'\(' - t_RPAREN = r'\)' - t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' - - def t_NUMBER(self, t): - r'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - #print "parsed number %s" % repr(t.value) - return t - - t_ignore = " \t" - - def t_newline(self, t): - r'\n+' - t.lexer.lineno += t.value.count("\n") - - def t_error(self, t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - - # Parsing rules - - precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('left', 'EXP'), - ('right','UMINUS'), - ) - - def p_statement_assign(self, p): - 'statement : NAME EQUALS expression' - self.names[p[1]] = p[3] - - def p_statement_expr(self, p): - 'statement : expression' - print p[1] - - def p_expression_binop(self, p): - """ - expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression - | expression EXP expression - """ - #print [repr(p[i]) for i in range(0,4)] - if p[2] == '+' : p[0] = p[1] + p[3] - elif p[2] == '-': p[0] = p[1] - p[3] - elif p[2] == '*': p[0] = p[1] * p[3] - elif p[2] == '/': p[0] = p[1] / p[3] - elif p[2] == '**': p[0] = p[1] ** p[3] - - def p_expression_uminus(self, p): - 'expression : MINUS expression %prec UMINUS' - p[0] = -p[2] - - def p_expression_group(self, p): - 'expression : LPAREN expression RPAREN' - p[0] = p[2] - - def p_expression_number(self, p): - 'expression : NUMBER' - p[0] = p[1] - - def p_expression_name(self, p): - 'expression : NAME' - try: - p[0] = self.names[p[1]] - except LookupError: - print "Undefined name '%s'" % p[1] - p[0] = 0 - - def p_error(self, p): - print "Syntax error at '%s'" % p.value - -if __name__ == '__main__': - calc = Calc() - calc.run() diff --git a/chall/ply-2.2/example/cleanup.sh b/chall/ply-2.2/example/cleanup.sh deleted file mode 100755 index 3e115f4..0000000 --- a/chall/ply-2.2/example/cleanup.sh +++ /dev/null @@ -1,2 +0,0 @@ -#!/bin/sh -rm -f */*.pyc */parsetab.py */parser.out */*~ */*.class diff --git a/chall/ply-2.2/example/hedit/hedit.py b/chall/ply-2.2/example/hedit/hedit.py deleted file mode 100644 index a3c58c7..0000000 --- a/chall/ply-2.2/example/hedit/hedit.py +++ /dev/null @@ -1,48 +0,0 @@ -# ----------------------------------------------------------------------------- -# hedit.py -# -# Paring of Fortran H Edit descriptions (Contributed by Pearu Peterson) -# -# These tokens can't be easily tokenized because they are of the following -# form: -# -# nHc1...cn -# -# where n is a positive integer and c1 ... cn are characters. -# -# This example shows how to modify the state of the lexer to parse -# such tokens -# ----------------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - - -tokens = ( - 'H_EDIT_DESCRIPTOR', - ) - -# Tokens -t_ignore = " \t\n" - -def t_H_EDIT_DESCRIPTOR(t): - r"\d+H.*" # This grabs all of the remaining text - i = t.value.index('H') - n = eval(t.value[:i]) - - # Adjust the tokenizing position - t.lexer.lexpos -= len(t.value) - (i+1+n) - - t.value = t.value[i+1:i+1+n] - return t - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -import ply.lex as lex -lex.lex() -lex.runmain() - - diff --git a/chall/ply-2.2/example/newclasscalc/calc.py b/chall/ply-2.2/example/newclasscalc/calc.py deleted file mode 100755 index b021b6b..0000000 --- a/chall/ply-2.2/example/newclasscalc/calc.py +++ /dev/null @@ -1,155 +0,0 @@ -#!/usr/bin/env python - -# ----------------------------------------------------------------------------- -# calc.py -# -# A simple calculator with variables. This is from O'Reilly's -# "Lex and Yacc", p. 63. -# -# Class-based example contributed to PLY by David McNab. -# -# Modified to use new-style classes. Test case. -# ----------------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - -import readline -import ply.lex as lex -import ply.yacc as yacc -import os - -class Parser(object): - """ - Base class for a lexer/parser that has the rules defined as methods - """ - tokens = () - precedence = () - - - def __init__(self, **kw): - self.debug = kw.get('debug', 0) - self.names = { } - try: - modname = os.path.split(os.path.splitext(__file__)[0])[1] + "_" + self.__class__.__name__ - except: - modname = "parser"+"_"+self.__class__.__name__ - self.debugfile = modname + ".dbg" - self.tabmodule = modname + "_" + "parsetab" - #print self.debugfile, self.tabmodule - - # Build the lexer and parser - lex.lex(module=self, debug=self.debug) - yacc.yacc(module=self, - debug=self.debug, - debugfile=self.debugfile, - tabmodule=self.tabmodule) - - def run(self): - while 1: - try: - s = raw_input('calc > ') - except EOFError: - break - if not s: continue - yacc.parse(s) - - -class Calc(Parser): - - tokens = ( - 'NAME','NUMBER', - 'PLUS','MINUS','EXP', 'TIMES','DIVIDE','EQUALS', - 'LPAREN','RPAREN', - ) - - # Tokens - - t_PLUS = r'\+' - t_MINUS = r'-' - t_EXP = r'\*\*' - t_TIMES = r'\*' - t_DIVIDE = r'/' - t_EQUALS = r'=' - t_LPAREN = r'\(' - t_RPAREN = r'\)' - t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' - - def t_NUMBER(self, t): - r'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - #print "parsed number %s" % repr(t.value) - return t - - t_ignore = " \t" - - def t_newline(self, t): - r'\n+' - t.lexer.lineno += t.value.count("\n") - - def t_error(self, t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - - # Parsing rules - - precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('left', 'EXP'), - ('right','UMINUS'), - ) - - def p_statement_assign(self, p): - 'statement : NAME EQUALS expression' - self.names[p[1]] = p[3] - - def p_statement_expr(self, p): - 'statement : expression' - print p[1] - - def p_expression_binop(self, p): - """ - expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression - | expression EXP expression - """ - #print [repr(p[i]) for i in range(0,4)] - if p[2] == '+' : p[0] = p[1] + p[3] - elif p[2] == '-': p[0] = p[1] - p[3] - elif p[2] == '*': p[0] = p[1] * p[3] - elif p[2] == '/': p[0] = p[1] / p[3] - elif p[2] == '**': p[0] = p[1] ** p[3] - - def p_expression_uminus(self, p): - 'expression : MINUS expression %prec UMINUS' - p[0] = -p[2] - - def p_expression_group(self, p): - 'expression : LPAREN expression RPAREN' - p[0] = p[2] - - def p_expression_number(self, p): - 'expression : NUMBER' - p[0] = p[1] - - def p_expression_name(self, p): - 'expression : NAME' - try: - p[0] = self.names[p[1]] - except LookupError: - print "Undefined name '%s'" % p[1] - p[0] = 0 - - def p_error(self, p): - print "Syntax error at '%s'" % p.value - -if __name__ == '__main__': - calc = Calc() - calc.run() diff --git a/chall/ply-2.2/example/optcalc/README b/chall/ply-2.2/example/optcalc/README deleted file mode 100644 index 6d196f0..0000000 --- a/chall/ply-2.2/example/optcalc/README +++ /dev/null @@ -1,9 +0,0 @@ -An example showing how to use Python optimized mode. -To run: - - - First run 'python calc.py' - - - Then run 'python -OO calc.py' - -If working corretly, the second version should run the -same way. diff --git a/chall/ply-2.2/example/optcalc/calc.py b/chall/ply-2.2/example/optcalc/calc.py deleted file mode 100644 index 325f67c..0000000 --- a/chall/ply-2.2/example/optcalc/calc.py +++ /dev/null @@ -1,113 +0,0 @@ -# ----------------------------------------------------------------------------- -# calc.py -# -# A simple calculator with variables. This is from O'Reilly's -# "Lex and Yacc", p. 63. -# ----------------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - -tokens = ( - 'NAME','NUMBER', - 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', - 'LPAREN','RPAREN', - ) - -# Tokens - -t_PLUS = r'\+' -t_MINUS = r'-' -t_TIMES = r'\*' -t_DIVIDE = r'/' -t_EQUALS = r'=' -t_LPAREN = r'\(' -t_RPAREN = r'\)' -t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' - -def t_NUMBER(t): - r'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - return t - -t_ignore = " \t" - -def t_newline(t): - r'\n+' - t.lexer.lineno += t.value.count("\n") - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -import ply.lex as lex -lex.lex(optimize=1) - -# Parsing rules - -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[2] == '/': t[0] = t[1] / t[3] - elif t[2] == '<': t[0] = t[1] < t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -import ply.yacc as yacc -yacc.yacc(optimize=1) - -while 1: - try: - s = raw_input('calc > ') - except EOFError: - break - yacc.parse(s) - diff --git a/chall/ply-2.2/example/unicalc/calc.py b/chall/ply-2.2/example/unicalc/calc.py deleted file mode 100644 index 7e60433..0000000 --- a/chall/ply-2.2/example/unicalc/calc.py +++ /dev/null @@ -1,114 +0,0 @@ -# ----------------------------------------------------------------------------- -# calc.py -# -# A simple calculator with variables. This is from O'Reilly's -# "Lex and Yacc", p. 63. -# -# This example uses unicode strings for tokens, docstrings, and input. -# ----------------------------------------------------------------------------- - -import sys -sys.path.insert(0,"../..") - -tokens = ( - 'NAME','NUMBER', - 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', - 'LPAREN','RPAREN', - ) - -# Tokens - -t_PLUS = ur'\+' -t_MINUS = ur'-' -t_TIMES = ur'\*' -t_DIVIDE = ur'/' -t_EQUALS = ur'=' -t_LPAREN = ur'\(' -t_RPAREN = ur'\)' -t_NAME = ur'[a-zA-Z_][a-zA-Z0-9_]*' - -def t_NUMBER(t): - ur'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - return t - -t_ignore = u" \t" - -def t_newline(t): - ur'\n+' - t.lexer.lineno += t.value.count("\n") - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -import ply.lex as lex -lex.lex() - -# Parsing rules - -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(p): - 'statement : NAME EQUALS expression' - names[p[1]] = p[3] - -def p_statement_expr(p): - 'statement : expression' - print p[1] - -def p_expression_binop(p): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if p[2] == u'+' : p[0] = p[1] + p[3] - elif p[2] == u'-': p[0] = p[1] - p[3] - elif p[2] == u'*': p[0] = p[1] * p[3] - elif p[2] == u'/': p[0] = p[1] / p[3] - -def p_expression_uminus(p): - 'expression : MINUS expression %prec UMINUS' - p[0] = -p[2] - -def p_expression_group(p): - 'expression : LPAREN expression RPAREN' - p[0] = p[2] - -def p_expression_number(p): - 'expression : NUMBER' - p[0] = p[1] - -def p_expression_name(p): - 'expression : NAME' - try: - p[0] = names[p[1]] - except LookupError: - print "Undefined name '%s'" % p[1] - p[0] = 0 - -def p_error(p): - print "Syntax error at '%s'" % p.value - -import ply.yacc as yacc -yacc.yacc() - -while 1: - try: - s = raw_input('calc > ') - except EOFError: - break - if not s: continue - yacc.parse(unicode(s)) diff --git a/chall/ply-2.2/example/yply/README b/chall/ply-2.2/example/yply/README deleted file mode 100644 index bfadf36..0000000 --- a/chall/ply-2.2/example/yply/README +++ /dev/null @@ -1,41 +0,0 @@ -yply.py - -This example implements a program yply.py that converts a UNIX-yacc -specification file into a PLY-compatible program. To use, simply -run it like this: - - % python yply.py [-nocode] inputfile.y >myparser.py - -The output of this program is Python code. In the output, -any C code in the original file is included, but is commented out. -If you use the -nocode option, then all of the C code in the -original file is just discarded. - -To use the resulting grammer with PLY, you'll need to edit the -myparser.py file. Within this file, some stub code is included that -can be used to test the construction of the parsing tables. However, -you'll need to do more editing to make a workable parser. - -Disclaimer: This just an example I threw together in an afternoon. -It might have some bugs. However, it worked when I tried it on -a yacc-specified C++ parser containing 442 rules and 855 parsing -states. - -Comments: - -1. This example does not parse specification files meant for lex/flex. - You'll need to specify the tokenizer on your own. - -2. This example shows a number of interesting PLY features including - - - Parsing of literal text delimited by nested parentheses - - Some interaction between the parser and the lexer. - - Use of literals in the grammar specification - - One pass compilation. The program just emits the result, - there is no intermediate parse tree. - -3. This program could probably be cleaned up and enhanced a lot. - It would be great if someone wanted to work on this (hint). - --Dave - diff --git a/chall/ply-2.2/example/yply/ylex.py b/chall/ply-2.2/example/yply/ylex.py deleted file mode 100644 index 67d2354..0000000 --- a/chall/ply-2.2/example/yply/ylex.py +++ /dev/null @@ -1,112 +0,0 @@ -# lexer for yacc-grammars -# -# Author: David Beazley (dave@dabeaz.com) -# Date : October 2, 2006 - -import sys -sys.path.append("../..") - -from ply import * - -tokens = ( - 'LITERAL','SECTION','TOKEN','LEFT','RIGHT','PREC','START','TYPE','NONASSOC','UNION','CODE', - 'ID','QLITERAL','NUMBER', -) - -states = (('code','exclusive'),) - -literals = [ ';', ',', '<', '>', '|',':' ] -t_ignore = ' \t' - -t_TOKEN = r'%token' -t_LEFT = r'%left' -t_RIGHT = r'%right' -t_NONASSOC = r'%nonassoc' -t_PREC = r'%prec' -t_START = r'%start' -t_TYPE = r'%type' -t_UNION = r'%union' -t_ID = r'[a-zA-Z_][a-zA-Z_0-9]*' -t_QLITERAL = r'''(?P['"]).*?(?P=quote)''' -t_NUMBER = r'\d+' - -def t_SECTION(t): - r'%%' - if getattr(t.lexer,"lastsection",0): - t.value = t.lexer.lexdata[t.lexpos+2:] - t.lexer.lexpos = len(t.lexer.lexdata) - else: - t.lexer.lastsection = 0 - return t - -# Comments -def t_ccomment(t): - r'/\*(.|\n)*?\*/' - t.lineno += t.value.count('\n') - -t_ignore_cppcomment = r'//.*' - -def t_LITERAL(t): - r'%\{(.|\n)*?%\}' - t.lexer.lineno += t.value.count("\n") - return t - -def t_NEWLINE(t): - r'\n' - t.lexer.lineno += 1 - -def t_code(t): - r'\{' - t.lexer.codestart = t.lexpos - t.lexer.level = 1 - t.lexer.begin('code') - -def t_code_ignore_string(t): - r'\"([^\\\n]|(\\.))*?\"' - -def t_code_ignore_char(t): - r'\'([^\\\n]|(\\.))*?\'' - -def t_code_ignore_comment(t): - r'/\*(.|\n)*?\*/' - -def t_code_ignore_cppcom(t): - r'//.*' - -def t_code_lbrace(t): - r'\{' - t.lexer.level += 1 - -def t_code_rbrace(t): - r'\}' - t.lexer.level -= 1 - if t.lexer.level == 0: - t.type = 'CODE' - t.value = t.lexer.lexdata[t.lexer.codestart:t.lexpos+1] - t.lexer.begin('INITIAL') - t.lexer.lineno += t.value.count('\n') - return t - -t_code_ignore_nonspace = r'[^\s\}\'\"\{]+' -t_code_ignore_whitespace = r'\s+' -t_code_ignore = "" - -def t_code_error(t): - raise RuntimeError - -def t_error(t): - print "%d: Illegal character '%s'" % (t.lineno, t.value[0]) - print t.value - t.lexer.skip(1) - -lex.lex() - -if __name__ == '__main__': - lex.runmain() - - - - - - - diff --git a/chall/ply-2.2/example/yply/yparse.py b/chall/ply-2.2/example/yply/yparse.py deleted file mode 100644 index ab5b884..0000000 --- a/chall/ply-2.2/example/yply/yparse.py +++ /dev/null @@ -1,217 +0,0 @@ -# parser for Unix yacc-based grammars -# -# Author: David Beazley (dave@dabeaz.com) -# Date : October 2, 2006 - -import ylex -tokens = ylex.tokens - -from ply import * - -tokenlist = [] -preclist = [] - -emit_code = 1 - -def p_yacc(p): - '''yacc : defsection rulesection''' - -def p_defsection(p): - '''defsection : definitions SECTION - | SECTION''' - p.lexer.lastsection = 1 - print "tokens = ", repr(tokenlist) - print - print "precedence = ", repr(preclist) - print - print "# -------------- RULES ----------------" - print - -def p_rulesection(p): - '''rulesection : rules SECTION''' - - print "# -------------- RULES END ----------------" - print_code(p[2],0) - -def p_definitions(p): - '''definitions : definitions definition - | definition''' - -def p_definition_literal(p): - '''definition : LITERAL''' - print_code(p[1],0) - -def p_definition_start(p): - '''definition : START ID''' - print "start = '%s'" % p[2] - -def p_definition_token(p): - '''definition : toktype opttype idlist optsemi ''' - for i in p[3]: - if i[0] not in "'\"": - tokenlist.append(i) - if p[1] == '%left': - preclist.append(('left',) + tuple(p[3])) - elif p[1] == '%right': - preclist.append(('right',) + tuple(p[3])) - elif p[1] == '%nonassoc': - preclist.append(('nonassoc',)+ tuple(p[3])) - -def p_toktype(p): - '''toktype : TOKEN - | LEFT - | RIGHT - | NONASSOC''' - p[0] = p[1] - -def p_opttype(p): - '''opttype : '<' ID '>' - | empty''' - -def p_idlist(p): - '''idlist : idlist optcomma tokenid - | tokenid''' - if len(p) == 2: - p[0] = [p[1]] - else: - p[0] = p[1] - p[1].append(p[3]) - -def p_tokenid(p): - '''tokenid : ID - | ID NUMBER - | QLITERAL - | QLITERAL NUMBER''' - p[0] = p[1] - -def p_optsemi(p): - '''optsemi : ';' - | empty''' - -def p_optcomma(p): - '''optcomma : ',' - | empty''' - -def p_definition_type(p): - '''definition : TYPE '<' ID '>' namelist optsemi''' - # type declarations are ignored - -def p_namelist(p): - '''namelist : namelist optcomma ID - | ID''' - -def p_definition_union(p): - '''definition : UNION CODE optsemi''' - # Union declarations are ignored - -def p_rules(p): - '''rules : rules rule - | rule''' - if len(p) == 2: - rule = p[1] - else: - rule = p[2] - - # Print out a Python equivalent of this rule - - embedded = [ ] # Embedded actions (a mess) - embed_count = 0 - - rulename = rule[0] - rulecount = 1 - for r in rule[1]: - # r contains one of the rule possibilities - print "def p_%s_%d(p):" % (rulename,rulecount) - prod = [] - prodcode = "" - for i in range(len(r)): - item = r[i] - if item[0] == '{': # A code block - if i == len(r) - 1: - prodcode = item - break - else: - # an embedded action - embed_name = "_embed%d_%s" % (embed_count,rulename) - prod.append(embed_name) - embedded.append((embed_name,item)) - embed_count += 1 - else: - prod.append(item) - print " '''%s : %s'''" % (rulename, " ".join(prod)) - # Emit code - print_code(prodcode,4) - print - rulecount += 1 - - for e,code in embedded: - print "def p_%s(p):" % e - print " '''%s : '''" % e - print_code(code,4) - print - -def p_rule(p): - '''rule : ID ':' rulelist ';' ''' - p[0] = (p[1],[p[3]]) - -def p_rule2(p): - '''rule : ID ':' rulelist morerules ';' ''' - p[4].insert(0,p[3]) - p[0] = (p[1],p[4]) - -def p_rule_empty(p): - '''rule : ID ':' ';' ''' - p[0] = (p[1],[[]]) - -def p_rule_empty2(p): - '''rule : ID ':' morerules ';' ''' - - p[3].insert(0,[]) - p[0] = (p[1],p[3]) - -def p_morerules(p): - '''morerules : morerules '|' rulelist - | '|' rulelist - | '|' ''' - - if len(p) == 2: - p[0] = [[]] - elif len(p) == 3: - p[0] = [p[2]] - else: - p[0] = p[1] - p[0].append(p[3]) - -# print "morerules", len(p), p[0] - -def p_rulelist(p): - '''rulelist : rulelist ruleitem - | ruleitem''' - - if len(p) == 2: - p[0] = [p[1]] - else: - p[0] = p[1] - p[1].append(p[2]) - -def p_ruleitem(p): - '''ruleitem : ID - | QLITERAL - | CODE - | PREC''' - p[0] = p[1] - -def p_empty(p): - '''empty : ''' - -def p_error(p): - pass - -yacc.yacc(debug=0) - -def print_code(code,indent): - if not emit_code: return - codelines = code.splitlines() - for c in codelines: - print "%s# %s" % (" "*indent,c) - diff --git a/chall/ply-2.2/example/yply/yply.py b/chall/ply-2.2/example/yply/yply.py deleted file mode 100755 index a439817..0000000 --- a/chall/ply-2.2/example/yply/yply.py +++ /dev/null @@ -1,53 +0,0 @@ -#!/usr/local/bin/python -# yply.py -# -# Author: David Beazley (dave@dabeaz.com) -# Date : October 2, 2006 -# -# Converts a UNIX-yacc specification file into a PLY-compatible -# specification. To use, simply do this: -# -# % python yply.py [-nocode] inputfile.y >myparser.py -# -# The output of this program is Python code. In the output, -# any C code in the original file is included, but is commented. -# If you use the -nocode option, then all of the C code in the -# original file is discarded. -# -# Disclaimer: This just an example I threw together in an afternoon. -# It might have some bugs. However, it worked when I tried it on -# a yacc-specified C++ parser containing 442 rules and 855 parsing -# states. -# - -import sys -sys.path.insert(0,"../..") - -import ylex -import yparse - -from ply import * - -if len(sys.argv) == 1: - print "usage : yply.py [-nocode] inputfile" - raise SystemExit - -if len(sys.argv) == 3: - if sys.argv[1] == '-nocode': - yparse.emit_code = 0 - else: - print "Unknown option '%s'" % sys.argv[1] - raise SystemExit - filename = sys.argv[2] -else: - filename = sys.argv[1] - -yacc.parse(open(filename).read()) - -print """ -if __name__ == '__main__': - from ply import * - yacc.yacc() -""" - - diff --git a/chall/ply-2.2/ply/__init__.py b/chall/ply-2.2/ply/__init__.py deleted file mode 100644 index 853a985..0000000 --- a/chall/ply-2.2/ply/__init__.py +++ /dev/null @@ -1,4 +0,0 @@ -# PLY package -# Author: David Beazley (dave@dabeaz.com) - -__all__ = ['lex','yacc'] diff --git a/chall/ply-2.2/ply/__init__.pyc b/chall/ply-2.2/ply/__init__.pyc deleted file mode 100644 index 99d3089..0000000 Binary files a/chall/ply-2.2/ply/__init__.pyc and /dev/null differ diff --git a/chall/ply-2.2/ply/lex.py b/chall/ply-2.2/ply/lex.py deleted file mode 100644 index c149366..0000000 --- a/chall/ply-2.2/ply/lex.py +++ /dev/null @@ -1,866 +0,0 @@ -#----------------------------------------------------------------------------- -# ply: lex.py -# -# Author: David M. Beazley (dave@dabeaz.com) -# -# Copyright (C) 2001-2006, David M. Beazley -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# -# See the file COPYING for a complete copy of the LGPL. -#----------------------------------------------------------------------------- - -__version__ = "2.2" - -import re, sys, types - -# Regular expression used to match valid token names -_is_identifier = re.compile(r'^[a-zA-Z0-9_]+$') - -# Available instance types. This is used when lexers are defined by a class. -# It's a little funky because I want to preserve backwards compatibility -# with Python 2.0 where types.ObjectType is undefined. - -try: - _INSTANCETYPE = (types.InstanceType, types.ObjectType) -except AttributeError: - _INSTANCETYPE = types.InstanceType - class object: pass # Note: needed if no new-style classes present - -# Exception thrown when invalid token encountered and no default error -# handler is defined. -class LexError(Exception): - def __init__(self,message,s): - self.args = (message,) - self.text = s - -# Token class -class LexToken(object): - def __str__(self): - return "LexToken(%s,%r,%d,%d)" % (self.type,self.value,self.lineno,self.lexpos) - def __repr__(self): - return str(self) - def skip(self,n): - self.lexer.skip(n) - -# ----------------------------------------------------------------------------- -# Lexer class -# -# This class encapsulates all of the methods and data associated with a lexer. -# -# input() - Store a new string in the lexer -# token() - Get the next token -# ----------------------------------------------------------------------------- - -class Lexer: - def __init__(self): - self.lexre = None # Master regular expression. This is a list of - # tuples (re,findex) where re is a compiled - # regular expression and findex is a list - # mapping regex group numbers to rules - self.lexretext = None # Current regular expression strings - self.lexstatere = {} # Dictionary mapping lexer states to master regexs - self.lexstateretext = {} # Dictionary mapping lexer states to regex strings - self.lexstate = "INITIAL" # Current lexer state - self.lexstatestack = [] # Stack of lexer states - self.lexstateinfo = None # State information - self.lexstateignore = {} # Dictionary of ignored characters for each state - self.lexstateerrorf = {} # Dictionary of error functions for each state - self.lexreflags = 0 # Optional re compile flags - self.lexdata = None # Actual input data (as a string) - self.lexpos = 0 # Current position in input text - self.lexlen = 0 # Length of the input text - self.lexerrorf = None # Error rule (if any) - self.lextokens = None # List of valid tokens - self.lexignore = "" # Ignored characters - self.lexliterals = "" # Literal characters that can be passed through - self.lexmodule = None # Module - self.lineno = 1 # Current line number - self.lexdebug = 0 # Debugging mode - self.lexoptimize = 0 # Optimized mode - - def clone(self,object=None): - c = Lexer() - c.lexstatere = self.lexstatere - c.lexstateinfo = self.lexstateinfo - c.lexstateretext = self.lexstateretext - c.lexstate = self.lexstate - c.lexstatestack = self.lexstatestack - c.lexstateignore = self.lexstateignore - c.lexstateerrorf = self.lexstateerrorf - c.lexreflags = self.lexreflags - c.lexdata = self.lexdata - c.lexpos = self.lexpos - c.lexlen = self.lexlen - c.lextokens = self.lextokens - c.lexdebug = self.lexdebug - c.lineno = self.lineno - c.lexoptimize = self.lexoptimize - c.lexliterals = self.lexliterals - c.lexmodule = self.lexmodule - - # If the object parameter has been supplied, it means we are attaching the - # lexer to a new object. In this case, we have to rebind all methods in - # the lexstatere and lexstateerrorf tables. - - if object: - newtab = { } - for key, ritem in self.lexstatere.items(): - newre = [] - for cre, findex in ritem: - newfindex = [] - for f in findex: - if not f or not f[0]: - newfindex.append(f) - continue - newfindex.append((getattr(object,f[0].__name__),f[1])) - newre.append((cre,newfindex)) - newtab[key] = newre - c.lexstatere = newtab - c.lexstateerrorf = { } - for key, ef in self.lexstateerrorf.items(): - c.lexstateerrorf[key] = getattr(object,ef.__name__) - c.lexmodule = object - - # Set up other attributes - c.begin(c.lexstate) - return c - - # ------------------------------------------------------------ - # writetab() - Write lexer information to a table file - # ------------------------------------------------------------ - def writetab(self,tabfile): - tf = open(tabfile+".py","w") - tf.write("# %s.py. This file automatically created by PLY (version %s). Don't edit!\n" % (tabfile,__version__)) - tf.write("_lextokens = %s\n" % repr(self.lextokens)) - tf.write("_lexreflags = %s\n" % repr(self.lexreflags)) - tf.write("_lexliterals = %s\n" % repr(self.lexliterals)) - tf.write("_lexstateinfo = %s\n" % repr(self.lexstateinfo)) - - tabre = { } - for key, lre in self.lexstatere.items(): - titem = [] - for i in range(len(lre)): - titem.append((self.lexstateretext[key][i],_funcs_to_names(lre[i][1]))) - tabre[key] = titem - - tf.write("_lexstatere = %s\n" % repr(tabre)) - tf.write("_lexstateignore = %s\n" % repr(self.lexstateignore)) - - taberr = { } - for key, ef in self.lexstateerrorf.items(): - if ef: - taberr[key] = ef.__name__ - else: - taberr[key] = None - tf.write("_lexstateerrorf = %s\n" % repr(taberr)) - tf.close() - - # ------------------------------------------------------------ - # readtab() - Read lexer information from a tab file - # ------------------------------------------------------------ - def readtab(self,tabfile,fdict): - exec "import %s as lextab" % tabfile - self.lextokens = lextab._lextokens - self.lexreflags = lextab._lexreflags - self.lexliterals = lextab._lexliterals - self.lexstateinfo = lextab._lexstateinfo - self.lexstateignore = lextab._lexstateignore - self.lexstatere = { } - self.lexstateretext = { } - for key,lre in lextab._lexstatere.items(): - titem = [] - txtitem = [] - for i in range(len(lre)): - titem.append((re.compile(lre[i][0],lextab._lexreflags),_names_to_funcs(lre[i][1],fdict))) - txtitem.append(lre[i][0]) - self.lexstatere[key] = titem - self.lexstateretext[key] = txtitem - self.lexstateerrorf = { } - for key,ef in lextab._lexstateerrorf.items(): - self.lexstateerrorf[key] = fdict[ef] - self.begin('INITIAL') - - # ------------------------------------------------------------ - # input() - Push a new string into the lexer - # ------------------------------------------------------------ - def input(self,s): - if not (isinstance(s,types.StringType) or isinstance(s,types.UnicodeType)): - raise ValueError, "Expected a string" - self.lexdata = s - self.lexpos = 0 - self.lexlen = len(s) - - # ------------------------------------------------------------ - # begin() - Changes the lexing state - # ------------------------------------------------------------ - def begin(self,state): - if not self.lexstatere.has_key(state): - raise ValueError, "Undefined state" - self.lexre = self.lexstatere[state] - self.lexretext = self.lexstateretext[state] - self.lexignore = self.lexstateignore.get(state,"") - self.lexerrorf = self.lexstateerrorf.get(state,None) - self.lexstate = state - - # ------------------------------------------------------------ - # push_state() - Changes the lexing state and saves old on stack - # ------------------------------------------------------------ - def push_state(self,state): - self.lexstatestack.append(self.lexstate) - self.begin(state) - - # ------------------------------------------------------------ - # pop_state() - Restores the previous state - # ------------------------------------------------------------ - def pop_state(self): - self.begin(self.lexstatestack.pop()) - - # ------------------------------------------------------------ - # current_state() - Returns the current lexing state - # ------------------------------------------------------------ - def current_state(self): - return self.lexstate - - # ------------------------------------------------------------ - # skip() - Skip ahead n characters - # ------------------------------------------------------------ - def skip(self,n): - self.lexpos += n - - # ------------------------------------------------------------ - # token() - Return the next token from the Lexer - # - # Note: This function has been carefully implemented to be as fast - # as possible. Don't make changes unless you really know what - # you are doing - # ------------------------------------------------------------ - def token(self): - # Make local copies of frequently referenced attributes - lexpos = self.lexpos - lexlen = self.lexlen - lexignore = self.lexignore - lexdata = self.lexdata - - while lexpos < lexlen: - # This code provides some short-circuit code for whitespace, tabs, and other ignored characters - if lexdata[lexpos] in lexignore: - lexpos += 1 - continue - - # Look for a regular expression match - for lexre,lexindexfunc in self.lexre: - m = lexre.match(lexdata,lexpos) - if not m: continue - - # Set last match in lexer so that rules can access it if they want - self.lexmatch = m - - # Create a token for return - tok = LexToken() - tok.value = m.group() - tok.lineno = self.lineno - tok.lexpos = lexpos - tok.lexer = self - - lexpos = m.end() - i = m.lastindex - func,tok.type = lexindexfunc[i] - self.lexpos = lexpos - - if not func: - # If no token type was set, it's an ignored token - if tok.type: return tok - break - - # if func not callable, it means it's an ignored token - if not callable(func): - break - - # If token is processed by a function, call it - newtok = func(tok) - - # Every function must return a token, if nothing, we just move to next token - if not newtok: - lexpos = self.lexpos # This is here in case user has updated lexpos. - break - - # Verify type of the token. If not in the token map, raise an error - if not self.lexoptimize: - if not self.lextokens.has_key(newtok.type): - raise LexError, ("%s:%d: Rule '%s' returned an unknown token type '%s'" % ( - func.func_code.co_filename, func.func_code.co_firstlineno, - func.__name__, newtok.type),lexdata[lexpos:]) - - return newtok - else: - # No match, see if in literals - if lexdata[lexpos] in self.lexliterals: - tok = LexToken() - tok.value = lexdata[lexpos] - tok.lineno = self.lineno - tok.lexer = self - tok.type = tok.value - tok.lexpos = lexpos - self.lexpos = lexpos + 1 - return tok - - # No match. Call t_error() if defined. - if self.lexerrorf: - tok = LexToken() - tok.value = self.lexdata[lexpos:] - tok.lineno = self.lineno - tok.type = "error" - tok.lexer = self - tok.lexpos = lexpos - self.lexpos = lexpos - newtok = self.lexerrorf(tok) - if lexpos == self.lexpos: - # Error method didn't change text position at all. This is an error. - raise LexError, ("Scanning error. Illegal character '%s'" % (lexdata[lexpos]), lexdata[lexpos:]) - lexpos = self.lexpos - if not newtok: continue - return newtok - - self.lexpos = lexpos - raise LexError, ("Illegal character '%s' at index %d" % (lexdata[lexpos],lexpos), lexdata[lexpos:]) - - self.lexpos = lexpos + 1 - if self.lexdata is None: - raise RuntimeError, "No input string given with input()" - return None - -# ----------------------------------------------------------------------------- -# _validate_file() -# -# This checks to see if there are duplicated t_rulename() functions or strings -# in the parser input file. This is done using a simple regular expression -# match on each line in the filename. -# ----------------------------------------------------------------------------- - -def _validate_file(filename): - import os.path - base,ext = os.path.splitext(filename) - if ext != '.py': return 1 # No idea what the file is. Return OK - - try: - f = open(filename) - lines = f.readlines() - f.close() - except IOError: - return 1 # Oh well - - fre = re.compile(r'\s*def\s+(t_[a-zA-Z_0-9]*)\(') - sre = re.compile(r'\s*(t_[a-zA-Z_0-9]*)\s*=') - counthash = { } - linen = 1 - noerror = 1 - for l in lines: - m = fre.match(l) - if not m: - m = sre.match(l) - if m: - name = m.group(1) - prev = counthash.get(name) - if not prev: - counthash[name] = linen - else: - print "%s:%d: Rule %s redefined. Previously defined on line %d" % (filename,linen,name,prev) - noerror = 0 - linen += 1 - return noerror - -# ----------------------------------------------------------------------------- -# _funcs_to_names() -# -# Given a list of regular expression functions, this converts it to a list -# suitable for output to a table file -# ----------------------------------------------------------------------------- - -def _funcs_to_names(funclist): - result = [] - for f in funclist: - if f and f[0]: - result.append((f[0].__name__,f[1])) - else: - result.append(f) - return result - -# ----------------------------------------------------------------------------- -# _names_to_funcs() -# -# Given a list of regular expression function names, this converts it back to -# functions. -# ----------------------------------------------------------------------------- - -def _names_to_funcs(namelist,fdict): - result = [] - for n in namelist: - if n and n[0]: - result.append((fdict[n[0]],n[1])) - else: - result.append(n) - return result - -# ----------------------------------------------------------------------------- -# _form_master_re() -# -# This function takes a list of all of the regex components and attempts to -# form the master regular expression. Given limitations in the Python re -# module, it may be necessary to break the master regex into separate expressions. -# ----------------------------------------------------------------------------- - -def _form_master_re(relist,reflags,ldict): - if not relist: return [] - regex = "|".join(relist) - try: - lexre = re.compile(regex,re.VERBOSE | reflags) - - # Build the index to function map for the matching engine - lexindexfunc = [ None ] * (max(lexre.groupindex.values())+1) - for f,i in lexre.groupindex.items(): - handle = ldict.get(f,None) - if type(handle) in (types.FunctionType, types.MethodType): - lexindexfunc[i] = (handle,handle.__name__[2:]) - elif handle is not None: - # If rule was specified as a string, we build an anonymous - # callback function to carry out the action - if f.find("ignore_") > 0: - lexindexfunc[i] = (None,None) - print "IGNORE", f - else: - lexindexfunc[i] = (None, f[2:]) - - return [(lexre,lexindexfunc)],[regex] - except Exception,e: - m = int(len(relist)/2) - if m == 0: m = 1 - llist, lre = _form_master_re(relist[:m],reflags,ldict) - rlist, rre = _form_master_re(relist[m:],reflags,ldict) - return llist+rlist, lre+rre - -# ----------------------------------------------------------------------------- -# def _statetoken(s,names) -# -# Given a declaration name s of the form "t_" and a dictionary whose keys are -# state names, this function returns a tuple (states,tokenname) where states -# is a tuple of state names and tokenname is the name of the token. For example, -# calling this with s = "t_foo_bar_SPAM" might return (('foo','bar'),'SPAM') -# ----------------------------------------------------------------------------- - -def _statetoken(s,names): - nonstate = 1 - parts = s.split("_") - for i in range(1,len(parts)): - if not names.has_key(parts[i]) and parts[i] != 'ANY': break - if i > 1: - states = tuple(parts[1:i]) - else: - states = ('INITIAL',) - - if 'ANY' in states: - states = tuple(names.keys()) - - tokenname = "_".join(parts[i:]) - return (states,tokenname) - -# ----------------------------------------------------------------------------- -# lex(module) -# -# Build all of the regular expression rules from definitions in the supplied module -# ----------------------------------------------------------------------------- -def lex(module=None,object=None,debug=0,optimize=0,lextab="lextab",reflags=0,nowarn=0): - global lexer - ldict = None - stateinfo = { 'INITIAL' : 'inclusive'} - error = 0 - files = { } - lexobj = Lexer() - lexobj.lexdebug = debug - lexobj.lexoptimize = optimize - global token,input - - if nowarn: warn = 0 - else: warn = 1 - - if object: module = object - - if module: - # User supplied a module object. - if isinstance(module, types.ModuleType): - ldict = module.__dict__ - elif isinstance(module, _INSTANCETYPE): - _items = [(k,getattr(module,k)) for k in dir(module)] - ldict = { } - for (i,v) in _items: - ldict[i] = v - else: - raise ValueError,"Expected a module or instance" - lexobj.lexmodule = module - - else: - # No module given. We might be able to get information from the caller. - try: - raise RuntimeError - except RuntimeError: - e,b,t = sys.exc_info() - f = t.tb_frame - f = f.f_back # Walk out to our calling function - ldict = f.f_globals # Grab its globals dictionary - - if optimize and lextab: - try: - lexobj.readtab(lextab,ldict) - token = lexobj.token - input = lexobj.input - lexer = lexobj - return lexobj - - except ImportError: - pass - - # Get the tokens, states, and literals variables (if any) - if (module and isinstance(module,_INSTANCETYPE)): - tokens = getattr(module,"tokens",None) - states = getattr(module,"states",None) - literals = getattr(module,"literals","") - else: - tokens = ldict.get("tokens",None) - states = ldict.get("states",None) - literals = ldict.get("literals","") - - if not tokens: - raise SyntaxError,"lex: module does not define 'tokens'" - if not (isinstance(tokens,types.ListType) or isinstance(tokens,types.TupleType)): - raise SyntaxError,"lex: tokens must be a list or tuple." - - # Build a dictionary of valid token names - lexobj.lextokens = { } - if not optimize: - for n in tokens: - if not _is_identifier.match(n): - print "lex: Bad token name '%s'" % n - error = 1 - if warn and lexobj.lextokens.has_key(n): - print "lex: Warning. Token '%s' multiply defined." % n - lexobj.lextokens[n] = None - else: - for n in tokens: lexobj.lextokens[n] = None - - if debug: - print "lex: tokens = '%s'" % lexobj.lextokens.keys() - - try: - for c in literals: - if not (isinstance(c,types.StringType) or isinstance(c,types.UnicodeType)) or len(c) > 1: - print "lex: Invalid literal %s. Must be a single character" % repr(c) - error = 1 - continue - - except TypeError: - print "lex: Invalid literals specification. literals must be a sequence of characters." - error = 1 - - lexobj.lexliterals = literals - - # Build statemap - if states: - if not (isinstance(states,types.TupleType) or isinstance(states,types.ListType)): - print "lex: states must be defined as a tuple or list." - error = 1 - else: - for s in states: - if not isinstance(s,types.TupleType) or len(s) != 2: - print "lex: invalid state specifier %s. Must be a tuple (statename,'exclusive|inclusive')" % repr(s) - error = 1 - continue - name, statetype = s - if not isinstance(name,types.StringType): - print "lex: state name %s must be a string" % repr(name) - error = 1 - continue - if not (statetype == 'inclusive' or statetype == 'exclusive'): - print "lex: state type for state %s must be 'inclusive' or 'exclusive'" % name - error = 1 - continue - if stateinfo.has_key(name): - print "lex: state '%s' already defined." % name - error = 1 - continue - stateinfo[name] = statetype - - # Get a list of symbols with the t_ or s_ prefix - tsymbols = [f for f in ldict.keys() if f[:2] == 't_' ] - - # Now build up a list of functions and a list of strings - - funcsym = { } # Symbols defined as functions - strsym = { } # Symbols defined as strings - toknames = { } # Mapping of symbols to token names - - for s in stateinfo.keys(): - funcsym[s] = [] - strsym[s] = [] - - ignore = { } # Ignore strings by state - errorf = { } # Error functions by state - - if len(tsymbols) == 0: - raise SyntaxError,"lex: no rules of the form t_rulename are defined." - - for f in tsymbols: - t = ldict[f] - states, tokname = _statetoken(f,stateinfo) - toknames[f] = tokname - - if callable(t): - for s in states: funcsym[s].append((f,t)) - elif (isinstance(t, types.StringType) or isinstance(t,types.UnicodeType)): - for s in states: strsym[s].append((f,t)) - else: - print "lex: %s not defined as a function or string" % f - error = 1 - - # Sort the functions by line number - for f in funcsym.values(): - f.sort(lambda x,y: cmp(x[1].func_code.co_firstlineno,y[1].func_code.co_firstlineno)) - - # Sort the strings by regular expression length - for s in strsym.values(): - s.sort(lambda x,y: (len(x[1]) < len(y[1])) - (len(x[1]) > len(y[1]))) - - regexs = { } - - # Build the master regular expressions - for state in stateinfo.keys(): - regex_list = [] - - # Add rules defined by functions first - for fname, f in funcsym[state]: - line = f.func_code.co_firstlineno - file = f.func_code.co_filename - files[file] = None - tokname = toknames[fname] - - ismethod = isinstance(f, types.MethodType) - - if not optimize: - nargs = f.func_code.co_argcount - if ismethod: - reqargs = 2 - else: - reqargs = 1 - if nargs > reqargs: - print "%s:%d: Rule '%s' has too many arguments." % (file,line,f.__name__) - error = 1 - continue - - if nargs < reqargs: - print "%s:%d: Rule '%s' requires an argument." % (file,line,f.__name__) - error = 1 - continue - - if tokname == 'ignore': - print "%s:%d: Rule '%s' must be defined as a string." % (file,line,f.__name__) - error = 1 - continue - - if tokname == 'error': - errorf[state] = f - continue - - if f.__doc__: - if not optimize: - try: - c = re.compile("(?P<%s>%s)" % (f.__name__,f.__doc__), re.VERBOSE | reflags) - if c.match(""): - print "%s:%d: Regular expression for rule '%s' matches empty string." % (file,line,f.__name__) - error = 1 - continue - except re.error,e: - print "%s:%d: Invalid regular expression for rule '%s'. %s" % (file,line,f.__name__,e) - if '#' in f.__doc__: - print "%s:%d. Make sure '#' in rule '%s' is escaped with '\\#'." % (file,line, f.__name__) - error = 1 - continue - - if debug: - print "lex: Adding rule %s -> '%s' (state '%s')" % (f.__name__,f.__doc__, state) - - # Okay. The regular expression seemed okay. Let's append it to the master regular - # expression we're building - - regex_list.append("(?P<%s>%s)" % (f.__name__,f.__doc__)) - else: - print "%s:%d: No regular expression defined for rule '%s'" % (file,line,f.__name__) - - # Now add all of the simple rules - for name,r in strsym[state]: - tokname = toknames[name] - - if tokname == 'ignore': - ignore[state] = r - continue - - if not optimize: - if tokname == 'error': - raise SyntaxError,"lex: Rule '%s' must be defined as a function" % name - error = 1 - continue - - if not lexobj.lextokens.has_key(tokname) and tokname.find("ignore_") < 0: - print "lex: Rule '%s' defined for an unspecified token %s." % (name,tokname) - error = 1 - continue - try: - c = re.compile("(?P<%s>%s)" % (name,r),re.VERBOSE | reflags) - if (c.match("")): - print "lex: Regular expression for rule '%s' matches empty string." % name - error = 1 - continue - except re.error,e: - print "lex: Invalid regular expression for rule '%s'. %s" % (name,e) - if '#' in r: - print "lex: Make sure '#' in rule '%s' is escaped with '\\#'." % name - - error = 1 - continue - if debug: - print "lex: Adding rule %s -> '%s' (state '%s')" % (name,r,state) - - regex_list.append("(?P<%s>%s)" % (name,r)) - - if not regex_list: - print "lex: No rules defined for state '%s'" % state - error = 1 - - regexs[state] = regex_list - - - if not optimize: - for f in files.keys(): - if not _validate_file(f): - error = 1 - - if error: - raise SyntaxError,"lex: Unable to build lexer." - - # From this point forward, we're reasonably confident that we can build the lexer. - # No more errors will be generated, but there might be some warning messages. - - # Build the master regular expressions - - for state in regexs.keys(): - lexre, re_text = _form_master_re(regexs[state],reflags,ldict) - lexobj.lexstatere[state] = lexre - lexobj.lexstateretext[state] = re_text - if debug: - for i in range(len(re_text)): - print "lex: state '%s'. regex[%d] = '%s'" % (state, i, re_text[i]) - - # For inclusive states, we need to add the INITIAL state - for state,type in stateinfo.items(): - if state != "INITIAL" and type == 'inclusive': - lexobj.lexstatere[state].extend(lexobj.lexstatere['INITIAL']) - lexobj.lexstateretext[state].extend(lexobj.lexstateretext['INITIAL']) - - lexobj.lexstateinfo = stateinfo - lexobj.lexre = lexobj.lexstatere["INITIAL"] - lexobj.lexretext = lexobj.lexstateretext["INITIAL"] - - # Set up ignore variables - lexobj.lexstateignore = ignore - lexobj.lexignore = lexobj.lexstateignore.get("INITIAL","") - - # Set up error functions - lexobj.lexstateerrorf = errorf - lexobj.lexerrorf = errorf.get("INITIAL",None) - if warn and not lexobj.lexerrorf: - print "lex: Warning. no t_error rule is defined." - - # Check state information for ignore and error rules - for s,stype in stateinfo.items(): - if stype == 'exclusive': - if warn and not errorf.has_key(s): - print "lex: Warning. no error rule is defined for exclusive state '%s'" % s - if warn and not ignore.has_key(s) and lexobj.lexignore: - print "lex: Warning. no ignore rule is defined for exclusive state '%s'" % s - elif stype == 'inclusive': - if not errorf.has_key(s): - errorf[s] = errorf.get("INITIAL",None) - if not ignore.has_key(s): - ignore[s] = ignore.get("INITIAL","") - - - # Create global versions of the token() and input() functions - token = lexobj.token - input = lexobj.input - lexer = lexobj - - # If in optimize mode, we write the lextab - if lextab and optimize: - lexobj.writetab(lextab) - - return lexobj - -# ----------------------------------------------------------------------------- -# runmain() -# -# This runs the lexer as a main program -# ----------------------------------------------------------------------------- - -def runmain(lexer=None,data=None): - if not data: - try: - filename = sys.argv[1] - f = open(filename) - data = f.read() - f.close() - except IndexError: - print "Reading from standard input (type EOF to end):" - data = sys.stdin.read() - - if lexer: - _input = lexer.input - else: - _input = input - _input(data) - if lexer: - _token = lexer.token - else: - _token = token - - while 1: - tok = _token() - if not tok: break - print "(%s,%r,%d,%d)" % (tok.type, tok.value, tok.lineno,tok.lexpos) - - -# ----------------------------------------------------------------------------- -# @TOKEN(regex) -# -# This decorator function can be used to set the regex expression on a function -# when its docstring might need to be set in an alternative way -# ----------------------------------------------------------------------------- - -def TOKEN(r): - def set_doc(f): - f.__doc__ = r - return f - return set_doc - -# Alternative spelling of the TOKEN decorator -Token = TOKEN - diff --git a/chall/ply-2.2/ply/lex.pyc b/chall/ply-2.2/ply/lex.pyc deleted file mode 100644 index 19af7ed..0000000 Binary files a/chall/ply-2.2/ply/lex.pyc and /dev/null differ diff --git a/chall/ply-2.2/ply/yacc.py b/chall/ply-2.2/ply/yacc.py deleted file mode 100644 index caf98af..0000000 --- a/chall/ply-2.2/ply/yacc.py +++ /dev/null @@ -1,2209 +0,0 @@ -#----------------------------------------------------------------------------- -# ply: yacc.py -# -# Author(s): David M. Beazley (dave@dabeaz.com) -# -# Copyright (C) 2001-2006, David M. Beazley -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# -# See the file COPYING for a complete copy of the LGPL. -# -# -# This implements an LR parser that is constructed from grammar rules defined -# as Python functions. The grammer is specified by supplying the BNF inside -# Python documentation strings. The inspiration for this technique was borrowed -# from John Aycock's Spark parsing system. PLY might be viewed as cross between -# Spark and the GNU bison utility. -# -# The current implementation is only somewhat object-oriented. The -# LR parser itself is defined in terms of an object (which allows multiple -# parsers to co-exist). However, most of the variables used during table -# construction are defined in terms of global variables. Users shouldn't -# notice unless they are trying to define multiple parsers at the same -# time using threads (in which case they should have their head examined). -# -# This implementation supports both SLR and LALR(1) parsing. LALR(1) -# support was originally implemented by Elias Ioup (ezioup@alumni.uchicago.edu), -# using the algorithm found in Aho, Sethi, and Ullman "Compilers: Principles, -# Techniques, and Tools" (The Dragon Book). LALR(1) has since been replaced -# by the more efficient DeRemer and Pennello algorithm. -# -# :::::::: WARNING ::::::: -# -# Construction of LR parsing tables is fairly complicated and expensive. -# To make this module run fast, a *LOT* of work has been put into -# optimization---often at the expensive of readability and what might -# consider to be good Python "coding style." Modify the code at your -# own risk! -# ---------------------------------------------------------------------------- - -__version__ = "2.2" - -#----------------------------------------------------------------------------- -# === User configurable parameters === -# -# Change these to modify the default behavior of yacc (if you wish) -#----------------------------------------------------------------------------- - -yaccdebug = 1 # Debugging mode. If set, yacc generates a - # a 'parser.out' file in the current directory - -debug_file = 'parser.out' # Default name of the debugging file -tab_module = 'parsetab' # Default name of the table module -default_lr = 'LALR' # Default LR table generation method - -error_count = 3 # Number of symbols that must be shifted to leave recovery mode - -import re, types, sys, cStringIO, md5, os.path - -# Exception raised for yacc-related errors -class YaccError(Exception): pass - -#----------------------------------------------------------------------------- -# === LR Parsing Engine === -# -# The following classes are used for the LR parser itself. These are not -# used during table construction and are independent of the actual LR -# table generation algorithm -#----------------------------------------------------------------------------- - -# This class is used to hold non-terminal grammar symbols during parsing. -# It normally has the following attributes set: -# .type = Grammar symbol type -# .value = Symbol value -# .lineno = Starting line number -# .endlineno = Ending line number (optional, set automatically) -# .lexpos = Starting lex position -# .endlexpos = Ending lex position (optional, set automatically) - -class YaccSymbol: - def __str__(self): return self.type - def __repr__(self): return str(self) - -# This class is a wrapper around the objects actually passed to each -# grammar rule. Index lookup and assignment actually assign the -# .value attribute of the underlying YaccSymbol object. -# The lineno() method returns the line number of a given -# item (or 0 if not defined). The linespan() method returns -# a tuple of (startline,endline) representing the range of lines -# for a symbol. The lexspan() method returns a tuple (lexpos,endlexpos) -# representing the range of positional information for a symbol. - -class YaccProduction: - def __init__(self,s,stack=None): - self.slice = s - self.pbstack = [] - self.stack = stack - - def __getitem__(self,n): - if type(n) == types.IntType: - if n >= 0: return self.slice[n].value - else: return self.stack[n].value - else: - return [s.value for s in self.slice[n.start:n.stop:n.step]] - - def __setitem__(self,n,v): - self.slice[n].value = v - - def __len__(self): - return len(self.slice) - - def lineno(self,n): - return getattr(self.slice[n],"lineno",0) - - def linespan(self,n): - startline = getattr(self.slice[n],"lineno",0) - endline = getattr(self.slice[n],"endlineno",startline) - return startline,endline - - def lexpos(self,n): - return getattr(self.slice[n],"lexpos",0) - - def lexspan(self,n): - startpos = getattr(self.slice[n],"lexpos",0) - endpos = getattr(self.slice[n],"endlexpos",startpos) - return startpos,endpos - - def pushback(self,n): - if n <= 0: - raise ValueError, "Expected a positive value" - if n > (len(self.slice)-1): - raise ValueError, "Can't push %d tokens. Only %d are available." % (n,len(self.slice)-1) - for i in range(0,n): - self.pbstack.append(self.slice[-i-1]) - -# The LR Parsing engine. This is defined as a class so that multiple parsers -# can exist in the same process. A user never instantiates this directly. -# Instead, the global yacc() function should be used to create a suitable Parser -# object. - -class Parser: - def __init__(self,magic=None): - - # This is a hack to keep users from trying to instantiate a Parser - # object directly. - - if magic != "xyzzy": - raise YaccError, "Can't instantiate Parser. Use yacc() instead." - - # Reset internal state - self.productions = None # List of productions - self.errorfunc = None # Error handling function - self.action = { } # LR Action table - self.goto = { } # LR goto table - self.require = { } # Attribute require table - self.method = "Unknown LR" # Table construction method used - - def errok(self): - self.errorcount = 0 - - def restart(self): - del self.statestack[:] - del self.symstack[:] - sym = YaccSymbol() - sym.type = '$end' - self.symstack.append(sym) - self.statestack.append(0) - - def parse(self,input=None,lexer=None,debug=0): - lookahead = None # Current lookahead symbol - lookaheadstack = [ ] # Stack of lookahead symbols - actions = self.action # Local reference to action table - goto = self.goto # Local reference to goto table - prod = self.productions # Local reference to production list - pslice = YaccProduction(None) # Production object passed to grammar rules - pslice.parser = self # Parser object - self.errorcount = 0 # Used during error recovery - - # If no lexer was given, we will try to use the lex module - if not lexer: - import lex - lexer = lex.lexer - - pslice.lexer = lexer - - # If input was supplied, pass to lexer - if input: - lexer.input(input) - - # Tokenize function - get_token = lexer.token - - statestack = [ ] # Stack of parsing states - self.statestack = statestack - symstack = [ ] # Stack of grammar symbols - self.symstack = symstack - - pslice.stack = symstack # Put in the production - errtoken = None # Err token - - # The start state is assumed to be (0,$end) - statestack.append(0) - sym = YaccSymbol() - sym.type = '$end' - symstack.append(sym) - - while 1: - # Get the next symbol on the input. If a lookahead symbol - # is already set, we just use that. Otherwise, we'll pull - # the next token off of the lookaheadstack or from the lexer - if debug > 1: - print 'state', statestack[-1] - if not lookahead: - if not lookaheadstack: - lookahead = get_token() # Get the next token - else: - lookahead = lookaheadstack.pop() - if not lookahead: - lookahead = YaccSymbol() - lookahead.type = '$end' - if debug: - errorlead = ("%s . %s" % (" ".join([xx.type for xx in symstack][1:]), str(lookahead))).lstrip() - - # Check the action table - s = statestack[-1] - ltype = lookahead.type - t = actions.get((s,ltype),None) - - if debug > 1: - print 'action', t - if t is not None: - if t > 0: - # shift a symbol on the stack - if ltype == '$end': - # Error, end of input - sys.stderr.write("yacc: Parse error. EOF\n") - return - statestack.append(t) - if debug > 1: - sys.stderr.write("%-60s shift state %s\n" % (errorlead, t)) - symstack.append(lookahead) - lookahead = None - - # Decrease error count on successful shift - if self.errorcount > 0: - self.errorcount -= 1 - - continue - - if t < 0: - # reduce a symbol on the stack, emit a production - p = prod[-t] - pname = p.name - plen = p.len - - # Get production function - sym = YaccSymbol() - sym.type = pname # Production name - sym.value = None - if debug > 1: - sys.stderr.write("%-60s reduce %d\n" % (errorlead, -t)) - - if plen: - targ = symstack[-plen-1:] - targ[0] = sym - try: - sym.lineno = targ[1].lineno - sym.endlineno = getattr(targ[-1],"endlineno",targ[-1].lineno) - sym.lexpos = targ[1].lexpos - sym.endlexpos = getattr(targ[-1],"endlexpos",targ[-1].lexpos) - except AttributeError: - sym.lineno = 0 - del symstack[-plen:] - del statestack[-plen:] - else: - sym.lineno = 0 - targ = [ sym ] - pslice.slice = targ - pslice.pbstack = [] - # Call the grammar rule with our special slice object - p.func(pslice) - - # If there was a pushback, put that on the stack - if pslice.pbstack: - lookaheadstack.append(lookahead) - for _t in pslice.pbstack: - lookaheadstack.append(_t) - lookahead = None - - symstack.append(sym) - statestack.append(goto[statestack[-1],pname]) - continue - - if t == 0: - n = symstack[-1] - return getattr(n,"value",None) - sys.stderr.write(errorlead, "\n") - - if t == None: - if debug: - sys.stderr.write(errorlead + "\n") - # We have some kind of parsing error here. To handle - # this, we are going to push the current token onto - # the tokenstack and replace it with an 'error' token. - # If there are any synchronization rules, they may - # catch it. - # - # In addition to pushing the error token, we call call - # the user defined p_error() function if this is the - # first syntax error. This function is only called if - # errorcount == 0. - if not self.errorcount: - self.errorcount = error_count - errtoken = lookahead - if errtoken.type == '$end': - errtoken = None # End of file! - if self.errorfunc: - global errok,token,restart - errok = self.errok # Set some special functions available in error recovery - token = get_token - restart = self.restart - tok = self.errorfunc(errtoken) - del errok, token, restart # Delete special functions - - if not self.errorcount: - # User must have done some kind of panic - # mode recovery on their own. The - # returned token is the next lookahead - lookahead = tok - errtoken = None - continue - else: - if errtoken: - if hasattr(errtoken,"lineno"): lineno = lookahead.lineno - else: lineno = 0 - if lineno: - sys.stderr.write("yacc: Syntax error at line %d, token=%s\n" % (lineno, errtoken.type)) - else: - sys.stderr.write("yacc: Syntax error, token=%s" % errtoken.type) - else: - sys.stderr.write("yacc: Parse error in input. EOF\n") - return - - else: - self.errorcount = error_count - - # case 1: the statestack only has 1 entry on it. If we're in this state, the - # entire parse has been rolled back and we're completely hosed. The token is - # discarded and we just keep going. - - if len(statestack) <= 1 and lookahead.type != '$end': - lookahead = None - errtoken = None - # Nuke the pushback stack - del lookaheadstack[:] - continue - - # case 2: the statestack has a couple of entries on it, but we're - # at the end of the file. nuke the top entry and generate an error token - - # Start nuking entries on the stack - if lookahead.type == '$end': - # Whoa. We're really hosed here. Bail out - return - - if lookahead.type != 'error': - sym = symstack[-1] - if sym.type == 'error': - # Hmmm. Error is on top of stack, we'll just nuke input - # symbol and continue - lookahead = None - continue - t = YaccSymbol() - t.type = 'error' - if hasattr(lookahead,"lineno"): - t.lineno = lookahead.lineno - t.value = lookahead - lookaheadstack.append(lookahead) - lookahead = t - else: - symstack.pop() - statestack.pop() - - continue - - # Call an error function here - raise RuntimeError, "yacc: internal parser error!!!\n" - -# ----------------------------------------------------------------------------- -# === Parser Construction === -# -# The following functions and variables are used to implement the yacc() function -# itself. This is pretty hairy stuff involving lots of error checking, -# construction of LR items, kernels, and so forth. Although a lot of -# this work is done using global variables, the resulting Parser object -# is completely self contained--meaning that it is safe to repeatedly -# call yacc() with different grammars in the same application. -# ----------------------------------------------------------------------------- - -# ----------------------------------------------------------------------------- -# validate_file() -# -# This function checks to see if there are duplicated p_rulename() functions -# in the parser module file. Without this function, it is really easy for -# users to make mistakes by cutting and pasting code fragments (and it's a real -# bugger to try and figure out why the resulting parser doesn't work). Therefore, -# we just do a little regular expression pattern matching of def statements -# to try and detect duplicates. -# ----------------------------------------------------------------------------- - -def validate_file(filename): - base,ext = os.path.splitext(filename) - if ext != '.py': return 1 # No idea. Assume it's okay. - - try: - f = open(filename) - lines = f.readlines() - f.close() - except IOError: - return 1 # Oh well - - # Match def p_funcname( - fre = re.compile(r'\s*def\s+(p_[a-zA-Z_0-9]*)\(') - counthash = { } - linen = 1 - noerror = 1 - for l in lines: - m = fre.match(l) - if m: - name = m.group(1) - prev = counthash.get(name) - if not prev: - counthash[name] = linen - else: - sys.stderr.write("%s:%d: Function %s redefined. Previously defined on line %d\n" % (filename,linen,name,prev)) - noerror = 0 - linen += 1 - return noerror - -# This function looks for functions that might be grammar rules, but which don't have the proper p_suffix. -def validate_dict(d): - for n,v in d.items(): - if n[0:2] == 'p_' and type(v) in (types.FunctionType, types.MethodType): continue - if n[0:2] == 't_': continue - - if n[0:2] == 'p_': - sys.stderr.write("yacc: Warning. '%s' not defined as a function\n" % n) - if 1 and isinstance(v,types.FunctionType) and v.func_code.co_argcount == 1: - try: - doc = v.__doc__.split(" ") - if doc[1] == ':': - sys.stderr.write("%s:%d: Warning. Possible grammar rule '%s' defined without p_ prefix.\n" % (v.func_code.co_filename, v.func_code.co_firstlineno,n)) - except StandardError: - pass - -# ----------------------------------------------------------------------------- -# === GRAMMAR FUNCTIONS === -# -# The following global variables and functions are used to store, manipulate, -# and verify the grammar rules specified by the user. -# ----------------------------------------------------------------------------- - -# Initialize all of the global variables used during grammar construction -def initialize_vars(): - global Productions, Prodnames, Prodmap, Terminals - global Nonterminals, First, Follow, Precedence, LRitems - global Errorfunc, Signature, Requires - - Productions = [None] # A list of all of the productions. The first - # entry is always reserved for the purpose of - # building an augmented grammar - - Prodnames = { } # A dictionary mapping the names of nonterminals to a list of all - # productions of that nonterminal. - - Prodmap = { } # A dictionary that is only used to detect duplicate - # productions. - - Terminals = { } # A dictionary mapping the names of terminal symbols to a - # list of the rules where they are used. - - Nonterminals = { } # A dictionary mapping names of nonterminals to a list - # of rule numbers where they are used. - - First = { } # A dictionary of precomputed FIRST(x) symbols - - Follow = { } # A dictionary of precomputed FOLLOW(x) symbols - - Precedence = { } # Precedence rules for each terminal. Contains tuples of the - # form ('right',level) or ('nonassoc', level) or ('left',level) - - LRitems = [ ] # A list of all LR items for the grammar. These are the - # productions with the "dot" like E -> E . PLUS E - - Errorfunc = None # User defined error handler - - Signature = md5.new() # Digital signature of the grammar rules, precedence - # and other information. Used to determined when a - # parsing table needs to be regenerated. - - Requires = { } # Requires list - - # File objects used when creating the parser.out debugging file - global _vf, _vfc - _vf = cStringIO.StringIO() - _vfc = cStringIO.StringIO() - -# ----------------------------------------------------------------------------- -# class Production: -# -# This class stores the raw information about a single production or grammar rule. -# It has a few required attributes: -# -# name - Name of the production (nonterminal) -# prod - A list of symbols making up its production -# number - Production number. -# -# In addition, a few additional attributes are used to help with debugging or -# optimization of table generation. -# -# file - File where production action is defined. -# lineno - Line number where action is defined -# func - Action function -# prec - Precedence level -# lr_next - Next LR item. Example, if we are ' E -> E . PLUS E' -# then lr_next refers to 'E -> E PLUS . E' -# lr_index - LR item index (location of the ".") in the prod list. -# lookaheads - LALR lookahead symbols for this item -# len - Length of the production (number of symbols on right hand side) -# ----------------------------------------------------------------------------- - -class Production: - def __init__(self,**kw): - for k,v in kw.items(): - setattr(self,k,v) - self.lr_index = -1 - self.lr0_added = 0 # Flag indicating whether or not added to LR0 closure - self.lr1_added = 0 # Flag indicating whether or not added to LR1 - self.usyms = [ ] - self.lookaheads = { } - self.lk_added = { } - self.setnumbers = [ ] - - def __str__(self): - if self.prod: - s = "%s -> %s" % (self.name," ".join(self.prod)) - else: - s = "%s -> " % self.name - return s - - def __repr__(self): - return str(self) - - # Compute lr_items from the production - def lr_item(self,n): - if n > len(self.prod): return None - p = Production() - p.name = self.name - p.prod = list(self.prod) - p.number = self.number - p.lr_index = n - p.lookaheads = { } - p.setnumbers = self.setnumbers - p.prod.insert(n,".") - p.prod = tuple(p.prod) - p.len = len(p.prod) - p.usyms = self.usyms - - # Precompute list of productions immediately following - try: - p.lrafter = Prodnames[p.prod[n+1]] - except (IndexError,KeyError),e: - p.lrafter = [] - try: - p.lrbefore = p.prod[n-1] - except IndexError: - p.lrbefore = None - - return p - -class MiniProduction: - pass - -# regex matching identifiers -_is_identifier = re.compile(r'^[a-zA-Z0-9_-]+$') - -# ----------------------------------------------------------------------------- -# add_production() -# -# Given an action function, this function assembles a production rule. -# The production rule is assumed to be found in the function's docstring. -# This rule has the general syntax: -# -# name1 ::= production1 -# | production2 -# | production3 -# ... -# | productionn -# name2 ::= production1 -# | production2 -# ... -# ----------------------------------------------------------------------------- - -def add_production(f,file,line,prodname,syms): - - if Terminals.has_key(prodname): - sys.stderr.write("%s:%d: Illegal rule name '%s'. Already defined as a token.\n" % (file,line,prodname)) - return -1 - if prodname == 'error': - sys.stderr.write("%s:%d: Illegal rule name '%s'. error is a reserved word.\n" % (file,line,prodname)) - return -1 - - if not _is_identifier.match(prodname): - sys.stderr.write("%s:%d: Illegal rule name '%s'\n" % (file,line,prodname)) - return -1 - - for x in range(len(syms)): - s = syms[x] - if s[0] in "'\"": - try: - c = eval(s) - if (len(c) > 1): - sys.stderr.write("%s:%d: Literal token %s in rule '%s' may only be a single character\n" % (file,line,s, prodname)) - return -1 - if not Terminals.has_key(c): - Terminals[c] = [] - syms[x] = c - continue - except SyntaxError: - pass - if not _is_identifier.match(s) and s != '%prec': - sys.stderr.write("%s:%d: Illegal name '%s' in rule '%s'\n" % (file,line,s, prodname)) - return -1 - - # See if the rule is already in the rulemap - map = "%s -> %s" % (prodname,syms) - if Prodmap.has_key(map): - m = Prodmap[map] - sys.stderr.write("%s:%d: Duplicate rule %s.\n" % (file,line, m)) - sys.stderr.write("%s:%d: Previous definition at %s:%d\n" % (file,line, m.file, m.line)) - return -1 - - p = Production() - p.name = prodname - p.prod = syms - p.file = file - p.line = line - p.func = f - p.number = len(Productions) - - - Productions.append(p) - Prodmap[map] = p - if not Nonterminals.has_key(prodname): - Nonterminals[prodname] = [ ] - - # Add all terminals to Terminals - i = 0 - while i < len(p.prod): - t = p.prod[i] - if t == '%prec': - try: - precname = p.prod[i+1] - except IndexError: - sys.stderr.write("%s:%d: Syntax error. Nothing follows %%prec.\n" % (p.file,p.line)) - return -1 - - prec = Precedence.get(precname,None) - if not prec: - sys.stderr.write("%s:%d: Nothing known about the precedence of '%s'\n" % (p.file,p.line,precname)) - return -1 - else: - p.prec = prec - del p.prod[i] - del p.prod[i] - continue - - if Terminals.has_key(t): - Terminals[t].append(p.number) - # Is a terminal. We'll assign a precedence to p based on this - if not hasattr(p,"prec"): - p.prec = Precedence.get(t,('right',0)) - else: - if not Nonterminals.has_key(t): - Nonterminals[t] = [ ] - Nonterminals[t].append(p.number) - i += 1 - - if not hasattr(p,"prec"): - p.prec = ('right',0) - - # Set final length of productions - p.len = len(p.prod) - p.prod = tuple(p.prod) - - # Calculate unique syms in the production - p.usyms = [ ] - for s in p.prod: - if s not in p.usyms: - p.usyms.append(s) - - # Add to the global productions list - try: - Prodnames[p.name].append(p) - except KeyError: - Prodnames[p.name] = [ p ] - return 0 - -# Given a raw rule function, this function rips out its doc string -# and adds rules to the grammar - -def add_function(f): - line = f.func_code.co_firstlineno - file = f.func_code.co_filename - error = 0 - - if isinstance(f,types.MethodType): - reqdargs = 2 - else: - reqdargs = 1 - - if f.func_code.co_argcount > reqdargs: - sys.stderr.write("%s:%d: Rule '%s' has too many arguments.\n" % (file,line,f.__name__)) - return -1 - - if f.func_code.co_argcount < reqdargs: - sys.stderr.write("%s:%d: Rule '%s' requires an argument.\n" % (file,line,f.__name__)) - return -1 - - if f.__doc__: - # Split the doc string into lines - pstrings = f.__doc__.splitlines() - lastp = None - dline = line - for ps in pstrings: - dline += 1 - p = ps.split() - if not p: continue - try: - if p[0] == '|': - # This is a continuation of a previous rule - if not lastp: - sys.stderr.write("%s:%d: Misplaced '|'.\n" % (file,dline)) - return -1 - prodname = lastp - if len(p) > 1: - syms = p[1:] - else: - syms = [ ] - else: - prodname = p[0] - lastp = prodname - assign = p[1] - if len(p) > 2: - syms = p[2:] - else: - syms = [ ] - if assign != ':' and assign != '::=': - sys.stderr.write("%s:%d: Syntax error. Expected ':'\n" % (file,dline)) - return -1 - - - e = add_production(f,file,dline,prodname,syms) - error += e - - - except StandardError: - sys.stderr.write("%s:%d: Syntax error in rule '%s'\n" % (file,dline,ps)) - error -= 1 - else: - sys.stderr.write("%s:%d: No documentation string specified in function '%s'\n" % (file,line,f.__name__)) - return error - - -# Cycle checking code (Michael Dyck) - -def compute_reachable(): - ''' - Find each symbol that can be reached from the start symbol. - Print a warning for any nonterminals that can't be reached. - (Unused terminals have already had their warning.) - ''' - Reachable = { } - for s in Terminals.keys() + Nonterminals.keys(): - Reachable[s] = 0 - - mark_reachable_from( Productions[0].prod[0], Reachable ) - - for s in Nonterminals.keys(): - if not Reachable[s]: - sys.stderr.write("yacc: Symbol '%s' is unreachable.\n" % s) - -def mark_reachable_from(s, Reachable): - ''' - Mark all symbols that are reachable from symbol s. - ''' - if Reachable[s]: - # We've already reached symbol s. - return - Reachable[s] = 1 - for p in Prodnames.get(s,[]): - for r in p.prod: - mark_reachable_from(r, Reachable) - -# ----------------------------------------------------------------------------- -# compute_terminates() -# -# This function looks at the various parsing rules and tries to detect -# infinite recursion cycles (grammar rules where there is no possible way -# to derive a string of only terminals). -# ----------------------------------------------------------------------------- -def compute_terminates(): - ''' - Raise an error for any symbols that don't terminate. - ''' - Terminates = {} - - # Terminals: - for t in Terminals.keys(): - Terminates[t] = 1 - - Terminates['$end'] = 1 - - # Nonterminals: - - # Initialize to false: - for n in Nonterminals.keys(): - Terminates[n] = 0 - - # Then propagate termination until no change: - while 1: - some_change = 0 - for (n,pl) in Prodnames.items(): - # Nonterminal n terminates iff any of its productions terminates. - for p in pl: - # Production p terminates iff all of its rhs symbols terminate. - for s in p.prod: - if not Terminates[s]: - # The symbol s does not terminate, - # so production p does not terminate. - p_terminates = 0 - break - else: - # didn't break from the loop, - # so every symbol s terminates - # so production p terminates. - p_terminates = 1 - - if p_terminates: - # symbol n terminates! - if not Terminates[n]: - Terminates[n] = 1 - some_change = 1 - # Don't need to consider any more productions for this n. - break - - if not some_change: - break - - some_error = 0 - for (s,terminates) in Terminates.items(): - if not terminates: - if not Prodnames.has_key(s) and not Terminals.has_key(s) and s != 'error': - # s is used-but-not-defined, and we've already warned of that, - # so it would be overkill to say that it's also non-terminating. - pass - else: - sys.stderr.write("yacc: Infinite recursion detected for symbol '%s'.\n" % s) - some_error = 1 - - return some_error - -# ----------------------------------------------------------------------------- -# verify_productions() -# -# This function examines all of the supplied rules to see if they seem valid. -# ----------------------------------------------------------------------------- -def verify_productions(cycle_check=1): - error = 0 - for p in Productions: - if not p: continue - - for s in p.prod: - if not Prodnames.has_key(s) and not Terminals.has_key(s) and s != 'error': - sys.stderr.write("%s:%d: Symbol '%s' used, but not defined as a token or a rule.\n" % (p.file,p.line,s)) - error = 1 - continue - - unused_tok = 0 - # Now verify all of the tokens - if yaccdebug: - _vf.write("Unused terminals:\n\n") - for s,v in Terminals.items(): - if s != 'error' and not v: - sys.stderr.write("yacc: Warning. Token '%s' defined, but not used.\n" % s) - if yaccdebug: _vf.write(" %s\n"% s) - unused_tok += 1 - - # Print out all of the productions - if yaccdebug: - _vf.write("\nGrammar\n\n") - for i in range(1,len(Productions)): - _vf.write("Rule %-5d %s\n" % (i, Productions[i])) - - unused_prod = 0 - # Verify the use of all productions - for s,v in Nonterminals.items(): - if not v: - p = Prodnames[s][0] - sys.stderr.write("%s:%d: Warning. Rule '%s' defined, but not used.\n" % (p.file,p.line, s)) - unused_prod += 1 - - - if unused_tok == 1: - sys.stderr.write("yacc: Warning. There is 1 unused token.\n") - if unused_tok > 1: - sys.stderr.write("yacc: Warning. There are %d unused tokens.\n" % unused_tok) - - if unused_prod == 1: - sys.stderr.write("yacc: Warning. There is 1 unused rule.\n") - if unused_prod > 1: - sys.stderr.write("yacc: Warning. There are %d unused rules.\n" % unused_prod) - - if yaccdebug: - _vf.write("\nTerminals, with rules where they appear\n\n") - ks = Terminals.keys() - ks.sort() - for k in ks: - _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Terminals[k]]))) - _vf.write("\nNonterminals, with rules where they appear\n\n") - ks = Nonterminals.keys() - ks.sort() - for k in ks: - _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Nonterminals[k]]))) - - if (cycle_check): - compute_reachable() - error += compute_terminates() -# error += check_cycles() - return error - -# ----------------------------------------------------------------------------- -# build_lritems() -# -# This function walks the list of productions and builds a complete set of the -# LR items. The LR items are stored in two ways: First, they are uniquely -# numbered and placed in the list _lritems. Second, a linked list of LR items -# is built for each production. For example: -# -# E -> E PLUS E -# -# Creates the list -# -# [E -> . E PLUS E, E -> E . PLUS E, E -> E PLUS . E, E -> E PLUS E . ] -# ----------------------------------------------------------------------------- - -def build_lritems(): - for p in Productions: - lastlri = p - lri = p.lr_item(0) - i = 0 - while 1: - lri = p.lr_item(i) - lastlri.lr_next = lri - if not lri: break - lri.lr_num = len(LRitems) - LRitems.append(lri) - lastlri = lri - i += 1 - - # In order for the rest of the parser generator to work, we need to - # guarantee that no more lritems are generated. Therefore, we nuke - # the p.lr_item method. (Only used in debugging) - # Production.lr_item = None - -# ----------------------------------------------------------------------------- -# add_precedence() -# -# Given a list of precedence rules, add to the precedence table. -# ----------------------------------------------------------------------------- - -def add_precedence(plist): - plevel = 0 - error = 0 - for p in plist: - plevel += 1 - try: - prec = p[0] - terms = p[1:] - if prec != 'left' and prec != 'right' and prec != 'nonassoc': - sys.stderr.write("yacc: Invalid precedence '%s'\n" % prec) - return -1 - for t in terms: - if Precedence.has_key(t): - sys.stderr.write("yacc: Precedence already specified for terminal '%s'\n" % t) - error += 1 - continue - Precedence[t] = (prec,plevel) - except: - sys.stderr.write("yacc: Invalid precedence table.\n") - error += 1 - - return error - -# ----------------------------------------------------------------------------- -# augment_grammar() -# -# Compute the augmented grammar. This is just a rule S' -> start where start -# is the starting symbol. -# ----------------------------------------------------------------------------- - -def augment_grammar(start=None): - if not start: - start = Productions[1].name - Productions[0] = Production(name="S'",prod=[start],number=0,len=1,prec=('right',0),func=None) - Productions[0].usyms = [ start ] - Nonterminals[start].append(0) - - -# ------------------------------------------------------------------------- -# first() -# -# Compute the value of FIRST1(beta) where beta is a tuple of symbols. -# -# During execution of compute_first1, the result may be incomplete. -# Afterward (e.g., when called from compute_follow()), it will be complete. -# ------------------------------------------------------------------------- -def first(beta): - - # We are computing First(x1,x2,x3,...,xn) - result = [ ] - for x in beta: - x_produces_empty = 0 - - # Add all the non- symbols of First[x] to the result. - for f in First[x]: - if f == '': - x_produces_empty = 1 - else: - if f not in result: result.append(f) - - if x_produces_empty: - # We have to consider the next x in beta, - # i.e. stay in the loop. - pass - else: - # We don't have to consider any further symbols in beta. - break - else: - # There was no 'break' from the loop, - # so x_produces_empty was true for all x in beta, - # so beta produces empty as well. - result.append('') - - return result - - -# FOLLOW(x) -# Given a non-terminal. This function computes the set of all symbols -# that might follow it. Dragon book, p. 189. - -def compute_follow(start=None): - # Add '$end' to the follow list of the start symbol - for k in Nonterminals.keys(): - Follow[k] = [ ] - - if not start: - start = Productions[1].name - - Follow[start] = [ '$end' ] - - while 1: - didadd = 0 - for p in Productions[1:]: - # Here is the production set - for i in range(len(p.prod)): - B = p.prod[i] - if Nonterminals.has_key(B): - # Okay. We got a non-terminal in a production - fst = first(p.prod[i+1:]) - hasempty = 0 - for f in fst: - if f != '' and f not in Follow[B]: - Follow[B].append(f) - didadd = 1 - if f == '': - hasempty = 1 - if hasempty or i == (len(p.prod)-1): - # Add elements of follow(a) to follow(b) - for f in Follow[p.name]: - if f not in Follow[B]: - Follow[B].append(f) - didadd = 1 - if not didadd: break - - if 0 and yaccdebug: - _vf.write('\nFollow:\n') - for k in Nonterminals.keys(): - _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Follow[k]]))) - -# ------------------------------------------------------------------------- -# compute_first1() -# -# Compute the value of FIRST1(X) for all symbols -# ------------------------------------------------------------------------- -def compute_first1(): - - # Terminals: - for t in Terminals.keys(): - First[t] = [t] - - First['$end'] = ['$end'] - First['#'] = ['#'] # what's this for? - - # Nonterminals: - - # Initialize to the empty set: - for n in Nonterminals.keys(): - First[n] = [] - - # Then propagate symbols until no change: - while 1: - some_change = 0 - for n in Nonterminals.keys(): - for p in Prodnames[n]: - for f in first(p.prod): - if f not in First[n]: - First[n].append( f ) - some_change = 1 - if not some_change: - break - - if 0 and yaccdebug: - _vf.write('\nFirst:\n') - for k in Nonterminals.keys(): - _vf.write("%-20s : %s\n" % - (k, " ".join([str(s) for s in First[k]]))) - -# ----------------------------------------------------------------------------- -# === SLR Generation === -# -# The following functions are used to construct SLR (Simple LR) parsing tables -# as described on p.221-229 of the dragon book. -# ----------------------------------------------------------------------------- - -# Global variables for the LR parsing engine -def lr_init_vars(): - global _lr_action, _lr_goto, _lr_method - global _lr_goto_cache, _lr0_cidhash - - _lr_action = { } # Action table - _lr_goto = { } # Goto table - _lr_method = "Unknown" # LR method used - _lr_goto_cache = { } - _lr0_cidhash = { } - - -# Compute the LR(0) closure operation on I, where I is a set of LR(0) items. -# prodlist is a list of productions. - -_add_count = 0 # Counter used to detect cycles - -def lr0_closure(I): - global _add_count - - _add_count += 1 - prodlist = Productions - - # Add everything in I to J - J = I[:] - didadd = 1 - while didadd: - didadd = 0 - for j in J: - for x in j.lrafter: - if x.lr0_added == _add_count: continue - # Add B --> .G to J - J.append(x.lr_next) - x.lr0_added = _add_count - didadd = 1 - - return J - -# Compute the LR(0) goto function goto(I,X) where I is a set -# of LR(0) items and X is a grammar symbol. This function is written -# in a way that guarantees uniqueness of the generated goto sets -# (i.e. the same goto set will never be returned as two different Python -# objects). With uniqueness, we can later do fast set comparisons using -# id(obj) instead of element-wise comparison. - -def lr0_goto(I,x): - # First we look for a previously cached entry - g = _lr_goto_cache.get((id(I),x),None) - if g: return g - - # Now we generate the goto set in a way that guarantees uniqueness - # of the result - - s = _lr_goto_cache.get(x,None) - if not s: - s = { } - _lr_goto_cache[x] = s - - gs = [ ] - for p in I: - n = p.lr_next - if n and n.lrbefore == x: - s1 = s.get(id(n),None) - if not s1: - s1 = { } - s[id(n)] = s1 - gs.append(n) - s = s1 - g = s.get('$end',None) - if not g: - if gs: - g = lr0_closure(gs) - s['$end'] = g - else: - s['$end'] = gs - _lr_goto_cache[(id(I),x)] = g - return g - -_lr0_cidhash = { } - -# Compute the LR(0) sets of item function -def lr0_items(): - - C = [ lr0_closure([Productions[0].lr_next]) ] - i = 0 - for I in C: - _lr0_cidhash[id(I)] = i - i += 1 - - # Loop over the items in C and each grammar symbols - i = 0 - while i < len(C): - I = C[i] - i += 1 - - # Collect all of the symbols that could possibly be in the goto(I,X) sets - asyms = { } - for ii in I: - for s in ii.usyms: - asyms[s] = None - - for x in asyms.keys(): - g = lr0_goto(I,x) - if not g: continue - if _lr0_cidhash.has_key(id(g)): continue - _lr0_cidhash[id(g)] = len(C) - C.append(g) - - return C - -# ----------------------------------------------------------------------------- -# ==== LALR(1) Parsing ==== -# -# LALR(1) parsing is almost exactly the same as SLR except that instead of -# relying upon Follow() sets when performing reductions, a more selective -# lookahead set that incorporates the state of the LR(0) machine is utilized. -# Thus, we mainly just have to focus on calculating the lookahead sets. -# -# The method used here is due to DeRemer and Pennelo (1982). -# -# DeRemer, F. L., and T. J. Pennelo: "Efficient Computation of LALR(1) -# Lookahead Sets", ACM Transactions on Programming Languages and Systems, -# Vol. 4, No. 4, Oct. 1982, pp. 615-649 -# -# Further details can also be found in: -# -# J. Tremblay and P. Sorenson, "The Theory and Practice of Compiler Writing", -# McGraw-Hill Book Company, (1985). -# -# Note: This implementation is a complete replacement of the LALR(1) -# implementation in PLY-1.x releases. That version was based on -# a less efficient algorithm and it had bugs in its implementation. -# ----------------------------------------------------------------------------- - -# ----------------------------------------------------------------------------- -# compute_nullable_nonterminals() -# -# Creates a dictionary containing all of the non-terminals that might produce -# an empty production. -# ----------------------------------------------------------------------------- - -def compute_nullable_nonterminals(): - nullable = {} - num_nullable = 0 - while 1: - for p in Productions[1:]: - if p.len == 0: - nullable[p.name] = 1 - continue - for t in p.prod: - if not nullable.has_key(t): break - else: - nullable[p.name] = 1 - if len(nullable) == num_nullable: break - num_nullable = len(nullable) - return nullable - -# ----------------------------------------------------------------------------- -# find_nonterminal_trans(C) -# -# Given a set of LR(0) items, this functions finds all of the non-terminal -# transitions. These are transitions in which a dot appears immediately before -# a non-terminal. Returns a list of tuples of the form (state,N) where state -# is the state number and N is the nonterminal symbol. -# -# The input C is the set of LR(0) items. -# ----------------------------------------------------------------------------- - -def find_nonterminal_transitions(C): - trans = [] - for state in range(len(C)): - for p in C[state]: - if p.lr_index < p.len - 1: - t = (state,p.prod[p.lr_index+1]) - if Nonterminals.has_key(t[1]): - if t not in trans: trans.append(t) - state = state + 1 - return trans - -# ----------------------------------------------------------------------------- -# dr_relation() -# -# Computes the DR(p,A) relationships for non-terminal transitions. The input -# is a tuple (state,N) where state is a number and N is a nonterminal symbol. -# -# Returns a list of terminals. -# ----------------------------------------------------------------------------- - -def dr_relation(C,trans,nullable): - dr_set = { } - state,N = trans - terms = [] - - g = lr0_goto(C[state],N) - for p in g: - if p.lr_index < p.len - 1: - a = p.prod[p.lr_index+1] - if Terminals.has_key(a): - if a not in terms: terms.append(a) - - # This extra bit is to handle the start state - if state == 0 and N == Productions[0].prod[0]: - terms.append('$end') - - return terms - -# ----------------------------------------------------------------------------- -# reads_relation() -# -# Computes the READS() relation (p,A) READS (t,C). -# ----------------------------------------------------------------------------- - -def reads_relation(C, trans, empty): - # Look for empty transitions - rel = [] - state, N = trans - - g = lr0_goto(C[state],N) - j = _lr0_cidhash.get(id(g),-1) - for p in g: - if p.lr_index < p.len - 1: - a = p.prod[p.lr_index + 1] - if empty.has_key(a): - rel.append((j,a)) - - return rel - -# ----------------------------------------------------------------------------- -# compute_lookback_includes() -# -# Determines the lookback and includes relations -# -# LOOKBACK: -# -# This relation is determined by running the LR(0) state machine forward. -# For example, starting with a production "N : . A B C", we run it forward -# to obtain "N : A B C ." We then build a relationship between this final -# state and the starting state. These relationships are stored in a dictionary -# lookdict. -# -# INCLUDES: -# -# Computes the INCLUDE() relation (p,A) INCLUDES (p',B). -# -# This relation is used to determine non-terminal transitions that occur -# inside of other non-terminal transition states. (p,A) INCLUDES (p', B) -# if the following holds: -# -# B -> LAT, where T -> epsilon and p' -L-> p -# -# L is essentially a prefix (which may be empty), T is a suffix that must be -# able to derive an empty string. State p' must lead to state p with the string L. -# -# ----------------------------------------------------------------------------- - -def compute_lookback_includes(C,trans,nullable): - - lookdict = {} # Dictionary of lookback relations - includedict = {} # Dictionary of include relations - - # Make a dictionary of non-terminal transitions - dtrans = {} - for t in trans: - dtrans[t] = 1 - - # Loop over all transitions and compute lookbacks and includes - for state,N in trans: - lookb = [] - includes = [] - for p in C[state]: - if p.name != N: continue - - # Okay, we have a name match. We now follow the production all the way - # through the state machine until we get the . on the right hand side - - lr_index = p.lr_index - j = state - while lr_index < p.len - 1: - lr_index = lr_index + 1 - t = p.prod[lr_index] - - # Check to see if this symbol and state are a non-terminal transition - if dtrans.has_key((j,t)): - # Yes. Okay, there is some chance that this is an includes relation - # the only way to know for certain is whether the rest of the - # production derives empty - - li = lr_index + 1 - while li < p.len: - if Terminals.has_key(p.prod[li]): break # No forget it - if not nullable.has_key(p.prod[li]): break - li = li + 1 - else: - # Appears to be a relation between (j,t) and (state,N) - includes.append((j,t)) - - g = lr0_goto(C[j],t) # Go to next set - j = _lr0_cidhash.get(id(g),-1) # Go to next state - - # When we get here, j is the final state, now we have to locate the production - for r in C[j]: - if r.name != p.name: continue - if r.len != p.len: continue - i = 0 - # This look is comparing a production ". A B C" with "A B C ." - while i < r.lr_index: - if r.prod[i] != p.prod[i+1]: break - i = i + 1 - else: - lookb.append((j,r)) - for i in includes: - if not includedict.has_key(i): includedict[i] = [] - includedict[i].append((state,N)) - lookdict[(state,N)] = lookb - - return lookdict,includedict - -# ----------------------------------------------------------------------------- -# digraph() -# traverse() -# -# The following two functions are used to compute set valued functions -# of the form: -# -# F(x) = F'(x) U U{F(y) | x R y} -# -# This is used to compute the values of Read() sets as well as FOLLOW sets -# in LALR(1) generation. -# -# Inputs: X - An input set -# R - A relation -# FP - Set-valued function -# ------------------------------------------------------------------------------ - -def digraph(X,R,FP): - N = { } - for x in X: - N[x] = 0 - stack = [] - F = { } - for x in X: - if N[x] == 0: traverse(x,N,stack,F,X,R,FP) - return F - -def traverse(x,N,stack,F,X,R,FP): - stack.append(x) - d = len(stack) - N[x] = d - F[x] = FP(x) # F(X) <- F'(x) - - rel = R(x) # Get y's related to x - for y in rel: - if N[y] == 0: - traverse(y,N,stack,F,X,R,FP) - N[x] = min(N[x],N[y]) - for a in F.get(y,[]): - if a not in F[x]: F[x].append(a) - if N[x] == d: - N[stack[-1]] = sys.maxint - F[stack[-1]] = F[x] - element = stack.pop() - while element != x: - N[stack[-1]] = sys.maxint - F[stack[-1]] = F[x] - element = stack.pop() - -# ----------------------------------------------------------------------------- -# compute_read_sets() -# -# Given a set of LR(0) items, this function computes the read sets. -# -# Inputs: C = Set of LR(0) items -# ntrans = Set of nonterminal transitions -# nullable = Set of empty transitions -# -# Returns a set containing the read sets -# ----------------------------------------------------------------------------- - -def compute_read_sets(C, ntrans, nullable): - FP = lambda x: dr_relation(C,x,nullable) - R = lambda x: reads_relation(C,x,nullable) - F = digraph(ntrans,R,FP) - return F - -# ----------------------------------------------------------------------------- -# compute_follow_sets() -# -# Given a set of LR(0) items, a set of non-terminal transitions, a readset, -# and an include set, this function computes the follow sets -# -# Follow(p,A) = Read(p,A) U U {Follow(p',B) | (p,A) INCLUDES (p',B)} -# -# Inputs: -# ntrans = Set of nonterminal transitions -# readsets = Readset (previously computed) -# inclsets = Include sets (previously computed) -# -# Returns a set containing the follow sets -# ----------------------------------------------------------------------------- - -def compute_follow_sets(ntrans,readsets,inclsets): - FP = lambda x: readsets[x] - R = lambda x: inclsets.get(x,[]) - F = digraph(ntrans,R,FP) - return F - -# ----------------------------------------------------------------------------- -# add_lookaheads() -# -# Attaches the lookahead symbols to grammar rules. -# -# Inputs: lookbacks - Set of lookback relations -# followset - Computed follow set -# -# This function directly attaches the lookaheads to productions contained -# in the lookbacks set -# ----------------------------------------------------------------------------- - -def add_lookaheads(lookbacks,followset): - for trans,lb in lookbacks.items(): - # Loop over productions in lookback - for state,p in lb: - if not p.lookaheads.has_key(state): - p.lookaheads[state] = [] - f = followset.get(trans,[]) - for a in f: - if a not in p.lookaheads[state]: p.lookaheads[state].append(a) - -# ----------------------------------------------------------------------------- -# add_lalr_lookaheads() -# -# This function does all of the work of adding lookahead information for use -# with LALR parsing -# ----------------------------------------------------------------------------- - -def add_lalr_lookaheads(C): - # Determine all of the nullable nonterminals - nullable = compute_nullable_nonterminals() - - # Find all non-terminal transitions - trans = find_nonterminal_transitions(C) - - # Compute read sets - readsets = compute_read_sets(C,trans,nullable) - - # Compute lookback/includes relations - lookd, included = compute_lookback_includes(C,trans,nullable) - - # Compute LALR FOLLOW sets - followsets = compute_follow_sets(trans,readsets,included) - - # Add all of the lookaheads - add_lookaheads(lookd,followsets) - -# ----------------------------------------------------------------------------- -# lr_parse_table() -# -# This function constructs the parse tables for SLR or LALR -# ----------------------------------------------------------------------------- -def lr_parse_table(method): - global _lr_method - goto = _lr_goto # Goto array - action = _lr_action # Action array - actionp = { } # Action production array (temporary) - - _lr_method = method - - n_srconflict = 0 - n_rrconflict = 0 - - if yaccdebug: - sys.stderr.write("yacc: Generating %s parsing table...\n" % method) - _vf.write("\n\nParsing method: %s\n\n" % method) - - # Step 1: Construct C = { I0, I1, ... IN}, collection of LR(0) items - # This determines the number of states - - C = lr0_items() - - if method == 'LALR': - add_lalr_lookaheads(C) - - # Build the parser table, state by state - st = 0 - for I in C: - # Loop over each production in I - actlist = [ ] # List of actions - - if yaccdebug: - _vf.write("\nstate %d\n\n" % st) - for p in I: - _vf.write(" (%d) %s\n" % (p.number, str(p))) - _vf.write("\n") - - for p in I: - try: - if p.prod[-1] == ".": - if p.name == "S'": - # Start symbol. Accept! - action[st,"$end"] = 0 - actionp[st,"$end"] = p - else: - # We are at the end of a production. Reduce! - if method == 'LALR': - laheads = p.lookaheads[st] - else: - laheads = Follow[p.name] - for a in laheads: - actlist.append((a,p,"reduce using rule %d (%s)" % (p.number,p))) - r = action.get((st,a),None) - if r is not None: - # Whoa. Have a shift/reduce or reduce/reduce conflict - if r > 0: - # Need to decide on shift or reduce here - # By default we favor shifting. Need to add - # some precedence rules here. - sprec,slevel = Productions[actionp[st,a].number].prec - rprec,rlevel = Precedence.get(a,('right',0)) - if (slevel < rlevel) or ((slevel == rlevel) and (rprec == 'left')): - # We really need to reduce here. - action[st,a] = -p.number - actionp[st,a] = p - if not slevel and not rlevel: - _vfc.write("shift/reduce conflict in state %d resolved as reduce.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as reduce.\n" % a) - n_srconflict += 1 - elif (slevel == rlevel) and (rprec == 'nonassoc'): - action[st,a] = None - else: - # Hmmm. Guess we'll keep the shift - if not rlevel: - _vfc.write("shift/reduce conflict in state %d resolved as shift.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as shift.\n" % a) - n_srconflict +=1 - elif r < 0: - # Reduce/reduce conflict. In this case, we favor the rule - # that was defined first in the grammar file - oldp = Productions[-r] - pp = Productions[p.number] - if oldp.line > pp.line: - action[st,a] = -p.number - actionp[st,a] = p - # sys.stderr.write("Reduce/reduce conflict in state %d\n" % st) - n_rrconflict += 1 - _vfc.write("reduce/reduce conflict in state %d resolved using rule %d (%s).\n" % (st, actionp[st,a].number, actionp[st,a])) - _vf.write(" ! reduce/reduce conflict for %s resolved using rule %d (%s).\n" % (a,actionp[st,a].number, actionp[st,a])) - else: - sys.stderr.write("Unknown conflict in state %d\n" % st) - else: - action[st,a] = -p.number - actionp[st,a] = p - else: - i = p.lr_index - a = p.prod[i+1] # Get symbol right after the "." - if Terminals.has_key(a): - g = lr0_goto(I,a) - j = _lr0_cidhash.get(id(g),-1) - if j >= 0: - # We are in a shift state - actlist.append((a,p,"shift and go to state %d" % j)) - r = action.get((st,a),None) - if r is not None: - # Whoa have a shift/reduce or shift/shift conflict - if r > 0: - if r != j: - sys.stderr.write("Shift/shift conflict in state %d\n" % st) - elif r < 0: - # Do a precedence check. - # - if precedence of reduce rule is higher, we reduce. - # - if precedence of reduce is same and left assoc, we reduce. - # - otherwise we shift - rprec,rlevel = Productions[actionp[st,a].number].prec - sprec,slevel = Precedence.get(a,('right',0)) - if (slevel > rlevel) or ((slevel == rlevel) and (rprec != 'left')): - # We decide to shift here... highest precedence to shift - action[st,a] = j - actionp[st,a] = p - if not rlevel: - n_srconflict += 1 - _vfc.write("shift/reduce conflict in state %d resolved as shift.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as shift.\n" % a) - elif (slevel == rlevel) and (rprec == 'nonassoc'): - action[st,a] = None - else: - # Hmmm. Guess we'll keep the reduce - if not slevel and not rlevel: - n_srconflict +=1 - _vfc.write("shift/reduce conflict in state %d resolved as reduce.\n" % st) - _vf.write(" ! shift/reduce conflict for %s resolved as reduce.\n" % a) - - else: - sys.stderr.write("Unknown conflict in state %d\n" % st) - else: - action[st,a] = j - actionp[st,a] = p - - except StandardError,e: - raise YaccError, "Hosed in lr_parse_table", e - - # Print the actions associated with each terminal - if yaccdebug: - _actprint = { } - for a,p,m in actlist: - if action.has_key((st,a)): - if p is actionp[st,a]: - _vf.write(" %-15s %s\n" % (a,m)) - _actprint[(a,m)] = 1 - _vf.write("\n") - for a,p,m in actlist: - if action.has_key((st,a)): - if p is not actionp[st,a]: - if not _actprint.has_key((a,m)): - _vf.write(" ! %-15s [ %s ]\n" % (a,m)) - _actprint[(a,m)] = 1 - - # Construct the goto table for this state - if yaccdebug: - _vf.write("\n") - nkeys = { } - for ii in I: - for s in ii.usyms: - if Nonterminals.has_key(s): - nkeys[s] = None - for n in nkeys.keys(): - g = lr0_goto(I,n) - j = _lr0_cidhash.get(id(g),-1) - if j >= 0: - goto[st,n] = j - if yaccdebug: - _vf.write(" %-30s shift and go to state %d\n" % (n,j)) - - st += 1 - - if yaccdebug: - if n_srconflict == 1: - sys.stderr.write("yacc: %d shift/reduce conflict\n" % n_srconflict) - if n_srconflict > 1: - sys.stderr.write("yacc: %d shift/reduce conflicts\n" % n_srconflict) - if n_rrconflict == 1: - sys.stderr.write("yacc: %d reduce/reduce conflict\n" % n_rrconflict) - if n_rrconflict > 1: - sys.stderr.write("yacc: %d reduce/reduce conflicts\n" % n_rrconflict) - -# ----------------------------------------------------------------------------- -# ==== LR Utility functions ==== -# ----------------------------------------------------------------------------- - -# ----------------------------------------------------------------------------- -# _lr_write_tables() -# -# This function writes the LR parsing tables to a file -# ----------------------------------------------------------------------------- - -def lr_write_tables(modulename=tab_module,outputdir=''): - filename = os.path.join(outputdir,modulename) + ".py" - try: - f = open(filename,"w") - - f.write(""" -# %s -# This file is automatically generated. Do not edit. - -_lr_method = %s - -_lr_signature = %s -""" % (filename, repr(_lr_method), repr(Signature.digest()))) - - # Change smaller to 0 to go back to original tables - smaller = 1 - - # Factor out names to try and make smaller - if smaller: - items = { } - - for k,v in _lr_action.items(): - i = items.get(k[1]) - if not i: - i = ([],[]) - items[k[1]] = i - i[0].append(k[0]) - i[1].append(v) - - f.write("\n_lr_action_items = {") - for k,v in items.items(): - f.write("%r:([" % k) - for i in v[0]: - f.write("%r," % i) - f.write("],[") - for i in v[1]: - f.write("%r," % i) - - f.write("]),") - f.write("}\n") - - f.write(""" -_lr_action = { } -for _k, _v in _lr_action_items.items(): - for _x,_y in zip(_v[0],_v[1]): - _lr_action[(_x,_k)] = _y -del _lr_action_items -""") - - else: - f.write("\n_lr_action = { "); - for k,v in _lr_action.items(): - f.write("(%r,%r):%r," % (k[0],k[1],v)) - f.write("}\n"); - - if smaller: - # Factor out names to try and make smaller - items = { } - - for k,v in _lr_goto.items(): - i = items.get(k[1]) - if not i: - i = ([],[]) - items[k[1]] = i - i[0].append(k[0]) - i[1].append(v) - - f.write("\n_lr_goto_items = {") - for k,v in items.items(): - f.write("%r:([" % k) - for i in v[0]: - f.write("%r," % i) - f.write("],[") - for i in v[1]: - f.write("%r," % i) - - f.write("]),") - f.write("}\n") - - f.write(""" -_lr_goto = { } -for _k, _v in _lr_goto_items.items(): - for _x,_y in zip(_v[0],_v[1]): - _lr_goto[(_x,_k)] = _y -del _lr_goto_items -""") - else: - f.write("\n_lr_goto = { "); - for k,v in _lr_goto.items(): - f.write("(%r,%r):%r," % (k[0],k[1],v)) - f.write("}\n"); - - # Write production table - f.write("_lr_productions = [\n") - for p in Productions: - if p: - if (p.func): - f.write(" (%r,%d,%r,%r,%d),\n" % (p.name, p.len, p.func.__name__,p.file,p.line)) - else: - f.write(" (%r,%d,None,None,None),\n" % (p.name, p.len)) - else: - f.write(" None,\n") - f.write("]\n") - - f.close() - - except IOError,e: - print "Unable to create '%s'" % filename - print e - return - -def lr_read_tables(module=tab_module,optimize=0): - global _lr_action, _lr_goto, _lr_productions, _lr_method - try: - exec "import %s as parsetab" % module - - if (optimize) or (Signature.digest() == parsetab._lr_signature): - _lr_action = parsetab._lr_action - _lr_goto = parsetab._lr_goto - _lr_productions = parsetab._lr_productions - _lr_method = parsetab._lr_method - return 1 - else: - return 0 - - except (ImportError,AttributeError): - return 0 - - -# Available instance types. This is used when parsers are defined by a class. -# it's a little funky because I want to preserve backwards compatibility -# with Python 2.0 where types.ObjectType is undefined. - -try: - _INSTANCETYPE = (types.InstanceType, types.ObjectType) -except AttributeError: - _INSTANCETYPE = types.InstanceType - -# ----------------------------------------------------------------------------- -# yacc(module) -# -# Build the parser module -# ----------------------------------------------------------------------------- - -def yacc(method=default_lr, debug=yaccdebug, module=None, tabmodule=tab_module, start=None, check_recursion=1, optimize=0,write_tables=1,debugfile=debug_file,outputdir=''): - global yaccdebug - yaccdebug = debug - - initialize_vars() - files = { } - error = 0 - - - # Add parsing method to signature - Signature.update(method) - - # If a "module" parameter was supplied, extract its dictionary. - # Note: a module may in fact be an instance as well. - - if module: - # User supplied a module object. - if isinstance(module, types.ModuleType): - ldict = module.__dict__ - elif isinstance(module, _INSTANCETYPE): - _items = [(k,getattr(module,k)) for k in dir(module)] - ldict = { } - for i in _items: - ldict[i[0]] = i[1] - else: - raise ValueError,"Expected a module" - - else: - # No module given. We might be able to get information from the caller. - # Throw an exception and unwind the traceback to get the globals - - try: - raise RuntimeError - except RuntimeError: - e,b,t = sys.exc_info() - f = t.tb_frame - f = f.f_back # Walk out to our calling function - ldict = f.f_globals # Grab its globals dictionary - - # Add starting symbol to signature - if not start: - start = ldict.get("start",None) - if start: - Signature.update(start) - - # If running in optimized mode. We're going to - - if (optimize and lr_read_tables(tabmodule,1)): - # Read parse table - del Productions[:] - for p in _lr_productions: - if not p: - Productions.append(None) - else: - m = MiniProduction() - m.name = p[0] - m.len = p[1] - m.file = p[3] - m.line = p[4] - if p[2]: - m.func = ldict[p[2]] - Productions.append(m) - - else: - # Get the tokens map - if (module and isinstance(module,_INSTANCETYPE)): - tokens = getattr(module,"tokens",None) - else: - tokens = ldict.get("tokens",None) - - if not tokens: - raise YaccError,"module does not define a list 'tokens'" - if not (isinstance(tokens,types.ListType) or isinstance(tokens,types.TupleType)): - raise YaccError,"tokens must be a list or tuple." - - # Check to see if a requires dictionary is defined. - requires = ldict.get("require",None) - if requires: - if not (isinstance(requires,types.DictType)): - raise YaccError,"require must be a dictionary." - - for r,v in requires.items(): - try: - if not (isinstance(v,types.ListType)): - raise TypeError - v1 = [x.split(".") for x in v] - Requires[r] = v1 - except StandardError: - print "Invalid specification for rule '%s' in require. Expected a list of strings" % r - - - # Build the dictionary of terminals. We a record a 0 in the - # dictionary to track whether or not a terminal is actually - # used in the grammar - - if 'error' in tokens: - print "yacc: Illegal token 'error'. Is a reserved word." - raise YaccError,"Illegal token name" - - for n in tokens: - if Terminals.has_key(n): - print "yacc: Warning. Token '%s' multiply defined." % n - Terminals[n] = [ ] - - Terminals['error'] = [ ] - - # Get the precedence map (if any) - prec = ldict.get("precedence",None) - if prec: - if not (isinstance(prec,types.ListType) or isinstance(prec,types.TupleType)): - raise YaccError,"precedence must be a list or tuple." - add_precedence(prec) - Signature.update(repr(prec)) - - for n in tokens: - if not Precedence.has_key(n): - Precedence[n] = ('right',0) # Default, right associative, 0 precedence - - # Look for error handler - ef = ldict.get('p_error',None) - if ef: - if isinstance(ef,types.FunctionType): - ismethod = 0 - elif isinstance(ef, types.MethodType): - ismethod = 1 - else: - raise YaccError,"'p_error' defined, but is not a function or method." - eline = ef.func_code.co_firstlineno - efile = ef.func_code.co_filename - files[efile] = None - - if (ef.func_code.co_argcount != 1+ismethod): - raise YaccError,"%s:%d: p_error() requires 1 argument." % (efile,eline) - global Errorfunc - Errorfunc = ef - else: - print "yacc: Warning. no p_error() function is defined." - - # Get the list of built-in functions with p_ prefix - symbols = [ldict[f] for f in ldict.keys() - if (type(ldict[f]) in (types.FunctionType, types.MethodType) and ldict[f].__name__[:2] == 'p_' - and ldict[f].__name__ != 'p_error')] - - # Check for non-empty symbols - if len(symbols) == 0: - raise YaccError,"no rules of the form p_rulename are defined." - - # Sort the symbols by line number - symbols.sort(lambda x,y: cmp(x.func_code.co_firstlineno,y.func_code.co_firstlineno)) - - # Add all of the symbols to the grammar - for f in symbols: - if (add_function(f)) < 0: - error += 1 - else: - files[f.func_code.co_filename] = None - - # Make a signature of the docstrings - for f in symbols: - if f.__doc__: - Signature.update(f.__doc__) - - lr_init_vars() - - if error: - raise YaccError,"Unable to construct parser." - - if not lr_read_tables(tabmodule): - - # Validate files - for filename in files.keys(): - if not validate_file(filename): - error = 1 - - # Validate dictionary - validate_dict(ldict) - - if start and not Prodnames.has_key(start): - raise YaccError,"Bad starting symbol '%s'" % start - - augment_grammar(start) - error = verify_productions(cycle_check=check_recursion) - otherfunc = [ldict[f] for f in ldict.keys() - if (type(f) in (types.FunctionType,types.MethodType) and ldict[f].__name__[:2] != 'p_')] - - if error: - raise YaccError,"Unable to construct parser." - - build_lritems() - compute_first1() - compute_follow(start) - - if method in ['SLR','LALR']: - lr_parse_table(method) - else: - raise YaccError, "Unknown parsing method '%s'" % method - - if write_tables: - lr_write_tables(tabmodule,outputdir) - - if yaccdebug: - try: - f = open(os.path.join(outputdir,debugfile),"w") - f.write(_vfc.getvalue()) - f.write("\n\n") - f.write(_vf.getvalue()) - f.close() - except IOError,e: - print "yacc: can't create '%s'" % debugfile,e - - # Made it here. Create a parser object and set up its internal state. - # Set global parse() method to bound method of parser object. - - p = Parser("xyzzy") - p.productions = Productions - p.errorfunc = Errorfunc - p.action = _lr_action - p.goto = _lr_goto - p.method = _lr_method - p.require = Requires - - global parse - parse = p.parse - - global parser - parser = p - - # Clean up all of the globals we created - if (not optimize): - yacc_cleanup() - return p - -# yacc_cleanup function. Delete all of the global variables -# used during table construction - -def yacc_cleanup(): - global _lr_action, _lr_goto, _lr_method, _lr_goto_cache - del _lr_action, _lr_goto, _lr_method, _lr_goto_cache - - global Productions, Prodnames, Prodmap, Terminals - global Nonterminals, First, Follow, Precedence, LRitems - global Errorfunc, Signature, Requires - - del Productions, Prodnames, Prodmap, Terminals - del Nonterminals, First, Follow, Precedence, LRitems - del Errorfunc, Signature, Requires - - global _vf, _vfc - del _vf, _vfc - - -# Stub that raises an error if parsing is attempted without first calling yacc() -def parse(*args,**kwargs): - raise YaccError, "yacc: No parser built with yacc()" - diff --git a/chall/ply-2.2/ply/yacc.pyc b/chall/ply-2.2/ply/yacc.pyc deleted file mode 100644 index 4b1adf7..0000000 Binary files a/chall/ply-2.2/ply/yacc.pyc and /dev/null differ diff --git a/chall/ply-2.2/setup.py b/chall/ply-2.2/setup.py deleted file mode 100644 index 0e74964..0000000 --- a/chall/ply-2.2/setup.py +++ /dev/null @@ -1,27 +0,0 @@ -from distutils.core import setup - -setup(name = "ply", - description="Python Lex & Yacc", - long_description = """ -PLY is yet another implementation of lex and yacc for Python. Although several other -parsing tools are available for Python, there are several reasons why you might -want to take a look at PLY: - -It's implemented entirely in Python. - -It uses LR-parsing which is reasonably efficient and well suited for larger grammars. - -PLY provides most of the standard lex/yacc features including support for empty -productions, precedence rules, error recovery, and support for ambiguous grammars. - -PLY is extremely easy to use and provides very extensive error checking. -""", - license="""Lesser GPL (LGPL)""", - version = "2.2", - author = "David Beazley", - author_email = "dave@dabeaz.com", - maintainer = "David Beazley", - maintainer_email = "dave@dabeaz.com", - url = "http://www.dabeaz.com/ply/", - packages = ['ply'], - ) diff --git a/chall/ply-2.2/test/README b/chall/ply-2.2/test/README deleted file mode 100644 index aac12b0..0000000 --- a/chall/ply-2.2/test/README +++ /dev/null @@ -1,11 +0,0 @@ -This directory mostly contains tests for various types of error -conditions. To run: - - $ python testlex.py . - $ python testyacc.py . - -The tests can also be run using the Python unittest module. - - $ python rununit.py - -The script 'cleanup.sh' cleans up this directory to its original state. diff --git a/chall/ply-2.2/test/calclex.py b/chall/ply-2.2/test/calclex.py deleted file mode 100644 index 2550734..0000000 --- a/chall/ply-2.2/test/calclex.py +++ /dev/null @@ -1,49 +0,0 @@ -# ----------------------------------------------------------------------------- -# calclex.py -# ----------------------------------------------------------------------------- -import sys - -sys.path.append("..") -import ply.lex as lex - -tokens = ( - 'NAME','NUMBER', - 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', - 'LPAREN','RPAREN', - ) - -# Tokens - -t_PLUS = r'\+' -t_MINUS = r'-' -t_TIMES = r'\*' -t_DIVIDE = r'/' -t_EQUALS = r'=' -t_LPAREN = r'\(' -t_RPAREN = r'\)' -t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' - -def t_NUMBER(t): - r'\d+' - try: - t.value = int(t.value) - except ValueError: - print "Integer value too large", t.value - t.value = 0 - return t - -t_ignore = " \t" - -def t_newline(t): - r'\n+' - t.lineno += t.value.count("\n") - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -lex.lex() - - - diff --git a/chall/ply-2.2/test/cleanup.sh b/chall/ply-2.2/test/cleanup.sh deleted file mode 100755 index d7d99b6..0000000 --- a/chall/ply-2.2/test/cleanup.sh +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh - -rm -f *~ *.pyc *.dif *.out - diff --git a/chall/ply-2.2/test/lex_doc1.exp b/chall/ply-2.2/test/lex_doc1.exp deleted file mode 100644 index 5b63c1e..0000000 --- a/chall/ply-2.2/test/lex_doc1.exp +++ /dev/null @@ -1 +0,0 @@ -./lex_doc1.py:18: No regular expression defined for rule 't_NUMBER' diff --git a/chall/ply-2.2/test/lex_doc1.py b/chall/ply-2.2/test/lex_doc1.py deleted file mode 100644 index 3951b5c..0000000 --- a/chall/ply-2.2/test/lex_doc1.py +++ /dev/null @@ -1,30 +0,0 @@ -# lex_token.py -# -# Missing documentation string - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -def t_NUMBER(t): - pass - -def t_error(t): - pass - - -import sys -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_dup1.exp b/chall/ply-2.2/test/lex_dup1.exp deleted file mode 100644 index 2098a40..0000000 --- a/chall/ply-2.2/test/lex_dup1.exp +++ /dev/null @@ -1,2 +0,0 @@ -./lex_dup1.py:20: Rule t_NUMBER redefined. Previously defined on line 18 -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_dup1.py b/chall/ply-2.2/test/lex_dup1.py deleted file mode 100644 index 68f8092..0000000 --- a/chall/ply-2.2/test/lex_dup1.py +++ /dev/null @@ -1,29 +0,0 @@ -# lex_token.py -# -# Duplicated rule specifiers - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -t_NUMBER = r'\d+' - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_dup2.exp b/chall/ply-2.2/test/lex_dup2.exp deleted file mode 100644 index d327cfe..0000000 --- a/chall/ply-2.2/test/lex_dup2.exp +++ /dev/null @@ -1,2 +0,0 @@ -./lex_dup2.py:22: Rule t_NUMBER redefined. Previously defined on line 18 -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_dup2.py b/chall/ply-2.2/test/lex_dup2.py deleted file mode 100644 index f4d346e..0000000 --- a/chall/ply-2.2/test/lex_dup2.py +++ /dev/null @@ -1,33 +0,0 @@ -# lex_token.py -# -# Duplicated rule specifiers - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -def t_NUMBER(t): - r'\d+' - pass - -def t_NUMBER(t): - r'\d+' - pass - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_dup3.exp b/chall/ply-2.2/test/lex_dup3.exp deleted file mode 100644 index ec0680c..0000000 --- a/chall/ply-2.2/test/lex_dup3.exp +++ /dev/null @@ -1,2 +0,0 @@ -./lex_dup3.py:20: Rule t_NUMBER redefined. Previously defined on line 18 -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_dup3.py b/chall/ply-2.2/test/lex_dup3.py deleted file mode 100644 index e17b520..0000000 --- a/chall/ply-2.2/test/lex_dup3.py +++ /dev/null @@ -1,31 +0,0 @@ -# lex_token.py -# -# Duplicated rule specifiers - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_NUMBER(t): - r'\d+' - pass - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_empty.exp b/chall/ply-2.2/test/lex_empty.exp deleted file mode 100644 index af38602..0000000 --- a/chall/ply-2.2/test/lex_empty.exp +++ /dev/null @@ -1 +0,0 @@ -SyntaxError: lex: no rules of the form t_rulename are defined. diff --git a/chall/ply-2.2/test/lex_empty.py b/chall/ply-2.2/test/lex_empty.py deleted file mode 100644 index 96625f7..0000000 --- a/chall/ply-2.2/test/lex_empty.py +++ /dev/null @@ -1,20 +0,0 @@ -# lex_token.py -# -# No rules defined - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_error1.exp b/chall/ply-2.2/test/lex_error1.exp deleted file mode 100644 index baa19e5..0000000 --- a/chall/ply-2.2/test/lex_error1.exp +++ /dev/null @@ -1 +0,0 @@ -lex: Warning. no t_error rule is defined. diff --git a/chall/ply-2.2/test/lex_error1.py b/chall/ply-2.2/test/lex_error1.py deleted file mode 100644 index a99d9be..0000000 --- a/chall/ply-2.2/test/lex_error1.py +++ /dev/null @@ -1,24 +0,0 @@ -# lex_token.py -# -# Missing t_error() rule - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_error2.exp b/chall/ply-2.2/test/lex_error2.exp deleted file mode 100644 index fb1b55c..0000000 --- a/chall/ply-2.2/test/lex_error2.exp +++ /dev/null @@ -1 +0,0 @@ -SyntaxError: lex: Rule 't_error' must be defined as a function diff --git a/chall/ply-2.2/test/lex_error2.py b/chall/ply-2.2/test/lex_error2.py deleted file mode 100644 index a59c8d4..0000000 --- a/chall/ply-2.2/test/lex_error2.py +++ /dev/null @@ -1,26 +0,0 @@ -# lex_token.py -# -# t_error defined, but not function - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -t_error = "foo" - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_error3.exp b/chall/ply-2.2/test/lex_error3.exp deleted file mode 100644 index 1b482bf..0000000 --- a/chall/ply-2.2/test/lex_error3.exp +++ /dev/null @@ -1,2 +0,0 @@ -./lex_error3.py:20: Rule 't_error' requires an argument. -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_error3.py b/chall/ply-2.2/test/lex_error3.py deleted file mode 100644 index 584600f..0000000 --- a/chall/ply-2.2/test/lex_error3.py +++ /dev/null @@ -1,27 +0,0 @@ -# lex_token.py -# -# t_error defined as function, but with wrong # args - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_error(): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_error4.exp b/chall/ply-2.2/test/lex_error4.exp deleted file mode 100644 index 98505a2..0000000 --- a/chall/ply-2.2/test/lex_error4.exp +++ /dev/null @@ -1,2 +0,0 @@ -./lex_error4.py:20: Rule 't_error' has too many arguments. -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_error4.py b/chall/ply-2.2/test/lex_error4.py deleted file mode 100644 index d05de74..0000000 --- a/chall/ply-2.2/test/lex_error4.py +++ /dev/null @@ -1,27 +0,0 @@ -# lex_token.py -# -# t_error defined as function, but too many args - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_error(t,s): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_hedit.exp b/chall/ply-2.2/test/lex_hedit.exp deleted file mode 100644 index 7b27dcb..0000000 --- a/chall/ply-2.2/test/lex_hedit.exp +++ /dev/null @@ -1,3 +0,0 @@ -(H_EDIT_DESCRIPTOR,'abc',1,0) -(H_EDIT_DESCRIPTOR,'abcdefghij',1,6) -(H_EDIT_DESCRIPTOR,'xy',1,20) diff --git a/chall/ply-2.2/test/lex_hedit.py b/chall/ply-2.2/test/lex_hedit.py deleted file mode 100644 index 0f87423..0000000 --- a/chall/ply-2.2/test/lex_hedit.py +++ /dev/null @@ -1,47 +0,0 @@ -# ----------------------------------------------------------------------------- -# hedit.py -# -# Paring of Fortran H Edit descriptions (Contributed by Pearu Peterson) -# -# These tokens can't be easily tokenized because they are of the following -# form: -# -# nHc1...cn -# -# where n is a positive integer and c1 ... cn are characters. -# -# This example shows how to modify the state of the lexer to parse -# such tokens -# ----------------------------------------------------------------------------- -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = ( - 'H_EDIT_DESCRIPTOR', - ) - -# Tokens -t_ignore = " \t\n" - -def t_H_EDIT_DESCRIPTOR(t): - r"\d+H.*" # This grabs all of the remaining text - i = t.value.index('H') - n = eval(t.value[:i]) - - # Adjust the tokenizing position - t.lexer.lexpos -= len(t.value) - (i+1+n) - t.value = t.value[i+1:i+1+n] - return t - -def t_error(t): - print "Illegal character '%s'" % t.value[0] - t.lexer.skip(1) - -# Build the lexer -lex.lex() -lex.runmain(data="3Habc 10Habcdefghij 2Hxy") - - - diff --git a/chall/ply-2.2/test/lex_ignore.exp b/chall/ply-2.2/test/lex_ignore.exp deleted file mode 100644 index 85e2961..0000000 --- a/chall/ply-2.2/test/lex_ignore.exp +++ /dev/null @@ -1,7 +0,0 @@ -./lex_ignore.py:20: Rule 't_ignore' must be defined as a string. -Traceback (most recent call last): - File "./lex_ignore.py", line 29, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_ignore.py b/chall/ply-2.2/test/lex_ignore.py deleted file mode 100644 index 94b0266..0000000 --- a/chall/ply-2.2/test/lex_ignore.py +++ /dev/null @@ -1,31 +0,0 @@ -# lex_token.py -# -# Improperly specific ignore declaration - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_ignore(t): - ' \t' - pass - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_nowarn.exp b/chall/ply-2.2/test/lex_nowarn.exp deleted file mode 100644 index e69de29..0000000 diff --git a/chall/ply-2.2/test/lex_nowarn.py b/chall/ply-2.2/test/lex_nowarn.py deleted file mode 100644 index d60d31c..0000000 --- a/chall/ply-2.2/test/lex_nowarn.py +++ /dev/null @@ -1,30 +0,0 @@ -# lex_token.py -# -# Missing t_error() rule - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - "NUMBER", - ] - -states = (('foo','exclusive'),) - -t_ignore = ' \t' -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -t_foo_NUMBER = r'\d+' - -sys.tracebacklimit = 0 - -lex.lex(nowarn=1) - - diff --git a/chall/ply-2.2/test/lex_re1.exp b/chall/ply-2.2/test/lex_re1.exp deleted file mode 100644 index b9e621c..0000000 --- a/chall/ply-2.2/test/lex_re1.exp +++ /dev/null @@ -1,7 +0,0 @@ -lex: Invalid regular expression for rule 't_NUMBER'. unbalanced parenthesis -Traceback (most recent call last): - File "./lex_re1.py", line 25, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_re1.py b/chall/ply-2.2/test/lex_re1.py deleted file mode 100644 index 9e544fe..0000000 --- a/chall/ply-2.2/test/lex_re1.py +++ /dev/null @@ -1,27 +0,0 @@ -# lex_token.py -# -# Bad regular expression in a string - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'(\d+' - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_re2.exp b/chall/ply-2.2/test/lex_re2.exp deleted file mode 100644 index 7ba89b4..0000000 --- a/chall/ply-2.2/test/lex_re2.exp +++ /dev/null @@ -1,7 +0,0 @@ -lex: Regular expression for rule 't_PLUS' matches empty string. -Traceback (most recent call last): - File "./lex_re2.py", line 25, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_re2.py b/chall/ply-2.2/test/lex_re2.py deleted file mode 100644 index 522b415..0000000 --- a/chall/ply-2.2/test/lex_re2.py +++ /dev/null @@ -1,27 +0,0 @@ -# lex_token.py -# -# Regular expression rule matches empty string - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+?' -t_MINUS = r'-' -t_NUMBER = r'(\d+)' - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_re3.exp b/chall/ply-2.2/test/lex_re3.exp deleted file mode 100644 index 7cdcae4..0000000 --- a/chall/ply-2.2/test/lex_re3.exp +++ /dev/null @@ -1,8 +0,0 @@ -lex: Invalid regular expression for rule 't_POUND'. unbalanced parenthesis -lex: Make sure '#' in rule 't_POUND' is escaped with '\#'. -Traceback (most recent call last): - File "./lex_re3.py", line 27, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_re3.py b/chall/ply-2.2/test/lex_re3.py deleted file mode 100644 index 099e156..0000000 --- a/chall/ply-2.2/test/lex_re3.py +++ /dev/null @@ -1,29 +0,0 @@ -# lex_token.py -# -# Regular expression rule matches empty string - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - "POUND", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'(\d+)' -t_POUND = r'#' - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_rule1.exp b/chall/ply-2.2/test/lex_rule1.exp deleted file mode 100644 index 0c23ca2..0000000 --- a/chall/ply-2.2/test/lex_rule1.exp +++ /dev/null @@ -1,2 +0,0 @@ -lex: t_NUMBER not defined as a function or string -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_rule1.py b/chall/ply-2.2/test/lex_rule1.py deleted file mode 100644 index e49a15b..0000000 --- a/chall/ply-2.2/test/lex_rule1.py +++ /dev/null @@ -1,27 +0,0 @@ -# lex_token.py -# -# Rule defined as some other type - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = 1 - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state1.exp b/chall/ply-2.2/test/lex_state1.exp deleted file mode 100644 index 8b58050..0000000 --- a/chall/ply-2.2/test/lex_state1.exp +++ /dev/null @@ -1,7 +0,0 @@ -lex: states must be defined as a tuple or list. -Traceback (most recent call last): - File "./lex_state1.py", line 38, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_state1.py b/chall/ply-2.2/test/lex_state1.py deleted file mode 100644 index 7eb2976..0000000 --- a/chall/ply-2.2/test/lex_state1.py +++ /dev/null @@ -1,40 +0,0 @@ -# lex_state1.py -# -# Bad state declaration - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -states = 'comment' - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state2.exp b/chall/ply-2.2/test/lex_state2.exp deleted file mode 100644 index 11c33a7..0000000 --- a/chall/ply-2.2/test/lex_state2.exp +++ /dev/null @@ -1,8 +0,0 @@ -lex: invalid state specifier 'comment'. Must be a tuple (statename,'exclusive|inclusive') -lex: invalid state specifier 'example'. Must be a tuple (statename,'exclusive|inclusive') -Traceback (most recent call last): - File "./lex_state2.py", line 38, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_state2.py b/chall/ply-2.2/test/lex_state2.py deleted file mode 100644 index b76b0db..0000000 --- a/chall/ply-2.2/test/lex_state2.py +++ /dev/null @@ -1,40 +0,0 @@ -# lex_state2.py -# -# Bad state declaration - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -states = ('comment','example') - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state3.exp b/chall/ply-2.2/test/lex_state3.exp deleted file mode 100644 index 2c3442c..0000000 --- a/chall/ply-2.2/test/lex_state3.exp +++ /dev/null @@ -1,8 +0,0 @@ -lex: state name 1 must be a string -lex: No rules defined for state 'example' -Traceback (most recent call last): - File "./lex_state3.py", line 40, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_state3.py b/chall/ply-2.2/test/lex_state3.py deleted file mode 100644 index fb4ce6c..0000000 --- a/chall/ply-2.2/test/lex_state3.py +++ /dev/null @@ -1,42 +0,0 @@ -# lex_state2.py -# -# Bad state declaration - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -comment = 1 -states = ((comment, 'inclusive'), - ('example', 'exclusive')) - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state4.exp b/chall/ply-2.2/test/lex_state4.exp deleted file mode 100644 index 7497a47..0000000 --- a/chall/ply-2.2/test/lex_state4.exp +++ /dev/null @@ -1,7 +0,0 @@ -lex: state type for state comment must be 'inclusive' or 'exclusive' -Traceback (most recent call last): - File "./lex_state4.py", line 39, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_state4.py b/chall/ply-2.2/test/lex_state4.py deleted file mode 100644 index 0993aa9..0000000 --- a/chall/ply-2.2/test/lex_state4.py +++ /dev/null @@ -1,41 +0,0 @@ -# lex_state2.py -# -# Bad state declaration - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -comment = 1 -states = (('comment', 'exclsive'),) - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state5.exp b/chall/ply-2.2/test/lex_state5.exp deleted file mode 100644 index e9e43e8..0000000 --- a/chall/ply-2.2/test/lex_state5.exp +++ /dev/null @@ -1,7 +0,0 @@ -lex: state 'comment' already defined. -Traceback (most recent call last): - File "./lex_state5.py", line 40, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_state5.py b/chall/ply-2.2/test/lex_state5.py deleted file mode 100644 index c3c1cbf..0000000 --- a/chall/ply-2.2/test/lex_state5.py +++ /dev/null @@ -1,42 +0,0 @@ -# lex_state2.py -# -# Bad state declaration - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -comment = 1 -states = (('comment', 'exclusive'), - ('comment', 'exclusive')) - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state_noerror.exp b/chall/ply-2.2/test/lex_state_noerror.exp deleted file mode 100644 index e14149f..0000000 --- a/chall/ply-2.2/test/lex_state_noerror.exp +++ /dev/null @@ -1 +0,0 @@ -lex: Warning. no error rule is defined for exclusive state 'comment' diff --git a/chall/ply-2.2/test/lex_state_noerror.py b/chall/ply-2.2/test/lex_state_noerror.py deleted file mode 100644 index 853b157..0000000 --- a/chall/ply-2.2/test/lex_state_noerror.py +++ /dev/null @@ -1,41 +0,0 @@ -# lex_state2.py -# -# Declaration of a state for which no rules are defined - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -comment = 1 -states = (('comment', 'exclusive'),) - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state_norule.exp b/chall/ply-2.2/test/lex_state_norule.exp deleted file mode 100644 index a8ff4ca..0000000 --- a/chall/ply-2.2/test/lex_state_norule.exp +++ /dev/null @@ -1,7 +0,0 @@ -lex: No rules defined for state 'example' -Traceback (most recent call last): - File "./lex_state_norule.py", line 40, in ? - lex.lex() - File "../ply/lex.py", line 758, in lex - raise SyntaxError,"lex: Unable to build lexer." -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_state_norule.py b/chall/ply-2.2/test/lex_state_norule.py deleted file mode 100644 index e48a319..0000000 --- a/chall/ply-2.2/test/lex_state_norule.py +++ /dev/null @@ -1,42 +0,0 @@ -# lex_state2.py -# -# Declaration of a state for which no rules are defined - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -comment = 1 -states = (('comment', 'exclusive'), - ('example', 'exclusive')) - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -import sys - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_state_try.exp b/chall/ply-2.2/test/lex_state_try.exp deleted file mode 100644 index 65f2e38..0000000 --- a/chall/ply-2.2/test/lex_state_try.exp +++ /dev/null @@ -1,7 +0,0 @@ -(NUMBER,'3',1,0) -(PLUS,'+',1,2) -(NUMBER,'4',1,4) -Entering comment state -comment body LexToken(comment_body_part,'This is a comment */',1,9) -(PLUS,'+',1,30) -(NUMBER,'10',1,32) diff --git a/chall/ply-2.2/test/lex_state_try.py b/chall/ply-2.2/test/lex_state_try.py deleted file mode 100644 index a16403e..0000000 --- a/chall/ply-2.2/test/lex_state_try.py +++ /dev/null @@ -1,48 +0,0 @@ -# lex_state2.py -# -# Declaration of a state for which no rules are defined - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -comment = 1 -states = (('comment', 'exclusive'),) - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -t_ignore = " \t" - -# Comments -def t_comment(t): - r'/\*' - t.lexer.begin('comment') - print "Entering comment state" - -def t_comment_body_part(t): - r'(.|\n)*\*/' - print "comment body", t - t.lexer.begin('INITIAL') - -def t_error(t): - pass - -t_comment_error = t_error -t_comment_ignore = t_ignore - -import sys - -lex.lex() - -data = "3 + 4 /* This is a comment */ + 10" - -lex.runmain(data=data) diff --git a/chall/ply-2.2/test/lex_token1.exp b/chall/ply-2.2/test/lex_token1.exp deleted file mode 100644 index 3792831..0000000 --- a/chall/ply-2.2/test/lex_token1.exp +++ /dev/null @@ -1 +0,0 @@ -SyntaxError: lex: module does not define 'tokens' diff --git a/chall/ply-2.2/test/lex_token1.py b/chall/ply-2.2/test/lex_token1.py deleted file mode 100644 index 380c31c..0000000 --- a/chall/ply-2.2/test/lex_token1.py +++ /dev/null @@ -1,21 +0,0 @@ -# lex_token.py -# -# Tests for absence of tokens variable - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_token2.exp b/chall/ply-2.2/test/lex_token2.exp deleted file mode 100644 index 3f98fe5..0000000 --- a/chall/ply-2.2/test/lex_token2.exp +++ /dev/null @@ -1 +0,0 @@ -SyntaxError: lex: tokens must be a list or tuple. diff --git a/chall/ply-2.2/test/lex_token2.py b/chall/ply-2.2/test/lex_token2.py deleted file mode 100644 index 87db8a0..0000000 --- a/chall/ply-2.2/test/lex_token2.py +++ /dev/null @@ -1,23 +0,0 @@ -# lex_token.py -# -# Tests for tokens of wrong type - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = "PLUS MINUS NUMBER" - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_token3.exp b/chall/ply-2.2/test/lex_token3.exp deleted file mode 100644 index d991d3c..0000000 --- a/chall/ply-2.2/test/lex_token3.exp +++ /dev/null @@ -1,2 +0,0 @@ -lex: Rule 't_MINUS' defined for an unspecified token MINUS. -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_token3.py b/chall/ply-2.2/test/lex_token3.py deleted file mode 100644 index 27ce947..0000000 --- a/chall/ply-2.2/test/lex_token3.py +++ /dev/null @@ -1,27 +0,0 @@ -# lex_token.py -# -# tokens is right type, but is missing a token for one rule - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_error(t): - pass - - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_token4.exp b/chall/ply-2.2/test/lex_token4.exp deleted file mode 100644 index 3dd88e0..0000000 --- a/chall/ply-2.2/test/lex_token4.exp +++ /dev/null @@ -1,2 +0,0 @@ -lex: Bad token name '-' -SyntaxError: lex: Unable to build lexer. diff --git a/chall/ply-2.2/test/lex_token4.py b/chall/ply-2.2/test/lex_token4.py deleted file mode 100644 index 612ff13..0000000 --- a/chall/ply-2.2/test/lex_token4.py +++ /dev/null @@ -1,28 +0,0 @@ -# lex_token.py -# -# Bad token name - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "-", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' -t_NUMBER = r'\d+' - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() - - diff --git a/chall/ply-2.2/test/lex_token5.exp b/chall/ply-2.2/test/lex_token5.exp deleted file mode 100644 index 2f03889..0000000 --- a/chall/ply-2.2/test/lex_token5.exp +++ /dev/null @@ -1 +0,0 @@ -ply.lex.LexError: ./lex_token5.py:19: Rule 't_NUMBER' returned an unknown token type 'NUM' diff --git a/chall/ply-2.2/test/lex_token5.py b/chall/ply-2.2/test/lex_token5.py deleted file mode 100644 index 77fabde..0000000 --- a/chall/ply-2.2/test/lex_token5.py +++ /dev/null @@ -1,33 +0,0 @@ -# lex_token.py -# -# Return a bad token name - -import sys -sys.path.insert(0,"..") - -import ply.lex as lex - -tokens = [ - "PLUS", - "MINUS", - "NUMBER", - ] - -t_PLUS = r'\+' -t_MINUS = r'-' - -def t_NUMBER(t): - r'\d+' - t.type = "NUM" - return t - -def t_error(t): - pass - -sys.tracebacklimit = 0 - -lex.lex() -lex.input("1234") -t = lex.token() - - diff --git a/chall/ply-2.2/test/rununit.py b/chall/ply-2.2/test/rununit.py deleted file mode 100644 index d6b36fd..0000000 --- a/chall/ply-2.2/test/rununit.py +++ /dev/null @@ -1,62 +0,0 @@ -#!/usr/bin/env python -'''Script to run all tests using python "unittest" module''' - -__author__ = "Miki Tebeka " - -from unittest import TestCase, main, makeSuite, TestSuite -from os import popen, environ, remove -from glob import glob -from sys import executable, argv -from os.path import isfile, basename, splitext - -# Add path to lex.py and yacc.py -environ["PYTHONPATH"] = ".." - -class PLYTest(TestCase): - '''General test case for PLY test''' - def _runtest(self, filename): - '''Run a single test file an compare result''' - exp_file = filename.replace(".py", ".exp") - self.failUnless(isfile(exp_file), "can't find %s" % exp_file) - pipe = popen("%s %s 2>&1" % (executable, filename)) - out = pipe.read().strip() - self.failUnlessEqual(out, open(exp_file).read().strip()) - - -class LexText(PLYTest): - '''Testing Lex''' - pass - -class YaccTest(PLYTest): - '''Testing Yacc''' - - def tearDown(self): - '''Cleanup parsetab.py[c] file''' - for ext in (".py", ".pyc"): - fname = "parsetab%s" % ext - if isfile(fname): - remove(fname) - -def add_test(klass, filename): - '''Add a test to TestCase class''' - def t(self): - self._runtest(filename) - # Test name is test_FILENAME without the ./ and without the .py - setattr(klass, "test_%s" % (splitext(basename(filename))[0]), t) - -# Add lex tests -for file in glob("./lex_*.py"): - add_test(LexText, file) -lex_suite = makeSuite(LexText, "test_") - -# Add yacc tests -for file in glob("./yacc_*.py"): - add_test(YaccTest, file) -yacc_suite = makeSuite(YaccTest, "test_") - -# All tests suite -test_suite = TestSuite((lex_suite, yacc_suite)) - -if __name__ == "__main__": - main() - diff --git a/chall/ply-2.2/test/testlex.py b/chall/ply-2.2/test/testlex.py deleted file mode 100755 index 2dae47a..0000000 --- a/chall/ply-2.2/test/testlex.py +++ /dev/null @@ -1,57 +0,0 @@ -#!/usr/local/bin -# ---------------------------------------------------------------------- -# testlex.py -# -# Run tests for the lexing module -# ---------------------------------------------------------------------- - -import sys,os,glob - -if len(sys.argv) < 2: - print "Usage: python testlex.py directory" - raise SystemExit - -dirname = None -make = 0 - -for o in sys.argv[1:]: - if o == '-make': - make = 1 - else: - dirname = o - break - -if not dirname: - print "Usage: python testlex.py [-make] directory" - raise SystemExit - -f = glob.glob("%s/%s" % (dirname,"lex_*.py")) - -print "**** Running tests for lex ****" - -for t in f: - name = t[:-3] - print "Testing %-32s" % name, - if make: - if not os.path.exists("%s.exp" % name): - os.system("python %s.py >%s.exp 2>&1" % (name,name)) - passed = 1 - else: - os.system("python %s.py >%s.out 2>&1" % (name,name)) - a = os.system("diff %s.out %s.exp >%s.dif" % (name,name,name)) - if a == 0: - passed = 1 - else: - passed = 0 - - if passed: - print "Passed" - else: - print "Failed. See %s.dif" % name - - - - - - - diff --git a/chall/ply-2.2/test/testyacc.py b/chall/ply-2.2/test/testyacc.py deleted file mode 100644 index f976ff5..0000000 --- a/chall/ply-2.2/test/testyacc.py +++ /dev/null @@ -1,58 +0,0 @@ -#!/usr/local/bin -# ---------------------------------------------------------------------- -# testyacc.py -# -# Run tests for the yacc module -# ---------------------------------------------------------------------- - -import sys,os,glob - -if len(sys.argv) < 2: - print "Usage: python testyacc.py directory" - raise SystemExit - -dirname = None -make = 0 - -for o in sys.argv[1:]: - if o == '-make': - make = 1 - else: - dirname = o - break - -if not dirname: - print "Usage: python testyacc.py [-make] directory" - raise SystemExit - -f = glob.glob("%s/%s" % (dirname,"yacc_*.py")) - -print "**** Running tests for yacc ****" - -for t in f: - name = t[:-3] - print "Testing %-32s" % name, - os.system("rm -f %s/parsetab.*" % dirname) - if make: - if not os.path.exists("%s.exp" % name): - os.system("python %s.py >%s.exp 2>&1" % (name,name)) - passed = 1 - else: - os.system("python %s.py >%s.out 2>&1" % (name,name)) - a = os.system("diff %s.out %s.exp >%s.dif" % (name,name,name)) - if a == 0: - passed = 1 - else: - passed = 0 - - if passed: - print "Passed" - else: - print "Failed. See %s.dif" % name - - - - - - - diff --git a/chall/ply-2.2/test/yacc_badargs.exp b/chall/ply-2.2/test/yacc_badargs.exp deleted file mode 100644 index e994676..0000000 --- a/chall/ply-2.2/test/yacc_badargs.exp +++ /dev/null @@ -1,3 +0,0 @@ -./yacc_badargs.py:23: Rule 'p_statement_assign' has too many arguments. -./yacc_badargs.py:27: Rule 'p_statement_expr' requires an argument. -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_badargs.py b/chall/ply-2.2/test/yacc_badargs.py deleted file mode 100644 index 810e529..0000000 --- a/chall/ply-2.2/test/yacc_badargs.py +++ /dev/null @@ -1,68 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_badargs.py -# -# Rules with wrong # args -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t,s): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_badprec.exp b/chall/ply-2.2/test/yacc_badprec.exp deleted file mode 100644 index f4f574b..0000000 --- a/chall/ply-2.2/test/yacc_badprec.exp +++ /dev/null @@ -1 +0,0 @@ -ply.yacc.YaccError: precedence must be a list or tuple. diff --git a/chall/ply-2.2/test/yacc_badprec.py b/chall/ply-2.2/test/yacc_badprec.py deleted file mode 100644 index 8f64652..0000000 --- a/chall/ply-2.2/test/yacc_badprec.py +++ /dev/null @@ -1,65 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_badprec.py -# -# Bad precedence specifier -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = "blah" - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_badprec2.exp b/chall/ply-2.2/test/yacc_badprec2.exp deleted file mode 100644 index 8fac075..0000000 --- a/chall/ply-2.2/test/yacc_badprec2.exp +++ /dev/null @@ -1,3 +0,0 @@ -yacc: Invalid precedence table. -yacc: Generating LALR parsing table... -yacc: 8 shift/reduce conflicts diff --git a/chall/ply-2.2/test/yacc_badprec2.py b/chall/ply-2.2/test/yacc_badprec2.py deleted file mode 100644 index 206bda7..0000000 --- a/chall/ply-2.2/test/yacc_badprec2.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_badprec2.py -# -# Bad precedence -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - 42, - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_badrule.exp b/chall/ply-2.2/test/yacc_badrule.exp deleted file mode 100644 index a87bf7d..0000000 --- a/chall/ply-2.2/test/yacc_badrule.exp +++ /dev/null @@ -1,5 +0,0 @@ -./yacc_badrule.py:25: Syntax error. Expected ':' -./yacc_badrule.py:29: Syntax error in rule 'statement' -./yacc_badrule.py:34: Syntax error. Expected ':' -./yacc_badrule.py:43: Syntax error. Expected ':' -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_badrule.py b/chall/ply-2.2/test/yacc_badrule.py deleted file mode 100644 index f5fef8a..0000000 --- a/chall/ply-2.2/test/yacc_badrule.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_badrule.py -# -# Syntax problems in the rule strings -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression: MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_badtok.exp b/chall/ply-2.2/test/yacc_badtok.exp deleted file mode 100644 index ccdc0e7..0000000 --- a/chall/ply-2.2/test/yacc_badtok.exp +++ /dev/null @@ -1 +0,0 @@ -ply.yacc.YaccError: tokens must be a list or tuple. diff --git a/chall/ply-2.2/test/yacc_badtok.py b/chall/ply-2.2/test/yacc_badtok.py deleted file mode 100644 index 4f2af51..0000000 --- a/chall/ply-2.2/test/yacc_badtok.py +++ /dev/null @@ -1,70 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_badtok.py -# -# A grammar, but tokens is a bad datatype -# ----------------------------------------------------------------------------- - -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -tokens = "Hello" - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_dup.exp b/chall/ply-2.2/test/yacc_dup.exp deleted file mode 100644 index fdfb210..0000000 --- a/chall/ply-2.2/test/yacc_dup.exp +++ /dev/null @@ -1,4 +0,0 @@ -./yacc_dup.py:28: Function p_statement redefined. Previously defined on line 24 -yacc: Warning. Token 'EQUALS' defined, but not used. -yacc: Warning. There is 1 unused token. -yacc: Generating LALR parsing table... diff --git a/chall/ply-2.2/test/yacc_dup.py b/chall/ply-2.2/test/yacc_dup.py deleted file mode 100644 index e0b683d..0000000 --- a/chall/ply-2.2/test/yacc_dup.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_dup.py -# -# Duplicated rule name -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_error1.exp b/chall/ply-2.2/test/yacc_error1.exp deleted file mode 100644 index 13bed04..0000000 --- a/chall/ply-2.2/test/yacc_error1.exp +++ /dev/null @@ -1 +0,0 @@ -ply.yacc.YaccError: ./yacc_error1.py:62: p_error() requires 1 argument. diff --git a/chall/ply-2.2/test/yacc_error1.py b/chall/ply-2.2/test/yacc_error1.py deleted file mode 100644 index 2768fc1..0000000 --- a/chall/ply-2.2/test/yacc_error1.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_error1.py -# -# Bad p_error() function -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t,s): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_error2.exp b/chall/ply-2.2/test/yacc_error2.exp deleted file mode 100644 index 4a7628d..0000000 --- a/chall/ply-2.2/test/yacc_error2.exp +++ /dev/null @@ -1 +0,0 @@ -ply.yacc.YaccError: ./yacc_error2.py:62: p_error() requires 1 argument. diff --git a/chall/ply-2.2/test/yacc_error2.py b/chall/ply-2.2/test/yacc_error2.py deleted file mode 100644 index 8f3a052..0000000 --- a/chall/ply-2.2/test/yacc_error2.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_error1.py -# -# Bad p_error() function -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_error3.exp b/chall/ply-2.2/test/yacc_error3.exp deleted file mode 100644 index 7fca2fe..0000000 --- a/chall/ply-2.2/test/yacc_error3.exp +++ /dev/null @@ -1 +0,0 @@ -ply.yacc.YaccError: 'p_error' defined, but is not a function or method. diff --git a/chall/ply-2.2/test/yacc_error3.py b/chall/ply-2.2/test/yacc_error3.py deleted file mode 100644 index b387de5..0000000 --- a/chall/ply-2.2/test/yacc_error3.py +++ /dev/null @@ -1,68 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_error1.py -# -# Bad p_error() function -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -p_error = "blah" - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_inf.exp b/chall/ply-2.2/test/yacc_inf.exp deleted file mode 100644 index 88cfa4a..0000000 --- a/chall/ply-2.2/test/yacc_inf.exp +++ /dev/null @@ -1,5 +0,0 @@ -yacc: Warning. Token 'NUMBER' defined, but not used. -yacc: Warning. There is 1 unused token. -yacc: Infinite recursion detected for symbol 'statement'. -yacc: Infinite recursion detected for symbol 'expression'. -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_inf.py b/chall/ply-2.2/test/yacc_inf.py deleted file mode 100644 index 9b9aef7..0000000 --- a/chall/ply-2.2/test/yacc_inf.py +++ /dev/null @@ -1,57 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_inf.py -# -# Infinite recursion -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_missing1.exp b/chall/ply-2.2/test/yacc_missing1.exp deleted file mode 100644 index de63d4f..0000000 --- a/chall/ply-2.2/test/yacc_missing1.exp +++ /dev/null @@ -1,2 +0,0 @@ -./yacc_missing1.py:25: Symbol 'location' used, but not defined as a token or a rule. -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_missing1.py b/chall/ply-2.2/test/yacc_missing1.py deleted file mode 100644 index fbc54d8..0000000 --- a/chall/ply-2.2/test/yacc_missing1.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_missing1.py -# -# Grammar with a missing rule -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : location EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_nodoc.exp b/chall/ply-2.2/test/yacc_nodoc.exp deleted file mode 100644 index 889ccfc..0000000 --- a/chall/ply-2.2/test/yacc_nodoc.exp +++ /dev/null @@ -1,2 +0,0 @@ -./yacc_nodoc.py:28: No documentation string specified in function 'p_statement_expr' -yacc: Generating LALR parsing table... diff --git a/chall/ply-2.2/test/yacc_nodoc.py b/chall/ply-2.2/test/yacc_nodoc.py deleted file mode 100644 index 4c5ab20..0000000 --- a/chall/ply-2.2/test/yacc_nodoc.py +++ /dev/null @@ -1,68 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_nodoc.py -# -# Rule with a missing doc-string -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_noerror.exp b/chall/ply-2.2/test/yacc_noerror.exp deleted file mode 100644 index 658f907..0000000 --- a/chall/ply-2.2/test/yacc_noerror.exp +++ /dev/null @@ -1,2 +0,0 @@ -yacc: Generating LALR parsing table... -yacc: Warning. no p_error() function is defined. diff --git a/chall/ply-2.2/test/yacc_noerror.py b/chall/ply-2.2/test/yacc_noerror.py deleted file mode 100644 index 9c11838..0000000 --- a/chall/ply-2.2/test/yacc_noerror.py +++ /dev/null @@ -1,67 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_noerror.py -# -# No p_error() rule defined. -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_nop.exp b/chall/ply-2.2/test/yacc_nop.exp deleted file mode 100644 index 515fff7..0000000 --- a/chall/ply-2.2/test/yacc_nop.exp +++ /dev/null @@ -1,2 +0,0 @@ -./yacc_nop.py:28: Warning. Possible grammar rule 'statement_expr' defined without p_ prefix. -yacc: Generating LALR parsing table... diff --git a/chall/ply-2.2/test/yacc_nop.py b/chall/ply-2.2/test/yacc_nop.py deleted file mode 100644 index c0b431d..0000000 --- a/chall/ply-2.2/test/yacc_nop.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_nop.py -# -# Possible grammar rule defined without p_ prefix -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_notfunc.exp b/chall/ply-2.2/test/yacc_notfunc.exp deleted file mode 100644 index f73bc93..0000000 --- a/chall/ply-2.2/test/yacc_notfunc.exp +++ /dev/null @@ -1,4 +0,0 @@ -yacc: Warning. 'p_statement_assign' not defined as a function -yacc: Warning. Token 'EQUALS' defined, but not used. -yacc: Warning. There is 1 unused token. -yacc: Generating LALR parsing table... diff --git a/chall/ply-2.2/test/yacc_notfunc.py b/chall/ply-2.2/test/yacc_notfunc.py deleted file mode 100644 index 8389355..0000000 --- a/chall/ply-2.2/test/yacc_notfunc.py +++ /dev/null @@ -1,67 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_notfunc.py -# -# p_rule not defined as a function -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -p_statement_assign = "Blah" - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_notok.exp b/chall/ply-2.2/test/yacc_notok.exp deleted file mode 100644 index d2399fe..0000000 --- a/chall/ply-2.2/test/yacc_notok.exp +++ /dev/null @@ -1 +0,0 @@ -ply.yacc.YaccError: module does not define a list 'tokens' diff --git a/chall/ply-2.2/test/yacc_notok.py b/chall/ply-2.2/test/yacc_notok.py deleted file mode 100644 index e566a1b..0000000 --- a/chall/ply-2.2/test/yacc_notok.py +++ /dev/null @@ -1,68 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_notok.py -# -# A grammar, but we forgot to import the tokens list -# ----------------------------------------------------------------------------- - -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_rr.exp b/chall/ply-2.2/test/yacc_rr.exp deleted file mode 100644 index f73cefd..0000000 --- a/chall/ply-2.2/test/yacc_rr.exp +++ /dev/null @@ -1,2 +0,0 @@ -yacc: Generating LALR parsing table... -yacc: 1 reduce/reduce conflict diff --git a/chall/ply-2.2/test/yacc_rr.py b/chall/ply-2.2/test/yacc_rr.py deleted file mode 100644 index bb8cba2..0000000 --- a/chall/ply-2.2/test/yacc_rr.py +++ /dev/null @@ -1,73 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_rr.py -# -# A grammar with a reduce/reduce conflict -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_assign_2(t): - 'statement : NAME EQUALS NUMBER' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_simple.exp b/chall/ply-2.2/test/yacc_simple.exp deleted file mode 100644 index 3836031..0000000 --- a/chall/ply-2.2/test/yacc_simple.exp +++ /dev/null @@ -1 +0,0 @@ -yacc: Generating LALR parsing table... diff --git a/chall/ply-2.2/test/yacc_simple.py b/chall/ply-2.2/test/yacc_simple.py deleted file mode 100644 index b5dc9f3..0000000 --- a/chall/ply-2.2/test/yacc_simple.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_simple.py -# -# A simple, properly specifier grammar -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_sr.exp b/chall/ply-2.2/test/yacc_sr.exp deleted file mode 100644 index 1b76450..0000000 --- a/chall/ply-2.2/test/yacc_sr.exp +++ /dev/null @@ -1,2 +0,0 @@ -yacc: Generating LALR parsing table... -yacc: 20 shift/reduce conflicts diff --git a/chall/ply-2.2/test/yacc_sr.py b/chall/ply-2.2/test/yacc_sr.py deleted file mode 100644 index e2f03ec..0000000 --- a/chall/ply-2.2/test/yacc_sr.py +++ /dev/null @@ -1,64 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_sr.py -# -# A grammar with shift-reduce conflicts -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_term1.exp b/chall/ply-2.2/test/yacc_term1.exp deleted file mode 100644 index 40f9bdf..0000000 --- a/chall/ply-2.2/test/yacc_term1.exp +++ /dev/null @@ -1,2 +0,0 @@ -./yacc_term1.py:25: Illegal rule name 'NUMBER'. Already defined as a token. -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_term1.py b/chall/ply-2.2/test/yacc_term1.py deleted file mode 100644 index bbc52da..0000000 --- a/chall/ply-2.2/test/yacc_term1.py +++ /dev/null @@ -1,69 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_term1.py -# -# Terminal used on the left-hand-side -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'NUMBER : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_unused.exp b/chall/ply-2.2/test/yacc_unused.exp deleted file mode 100644 index 6caafd2..0000000 --- a/chall/ply-2.2/test/yacc_unused.exp +++ /dev/null @@ -1,4 +0,0 @@ -./yacc_unused.py:63: Symbol 'COMMA' used, but not defined as a token or a rule. -yacc: Symbol 'COMMA' is unreachable. -yacc: Symbol 'exprlist' is unreachable. -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_unused.py b/chall/ply-2.2/test/yacc_unused.py deleted file mode 100644 index 3a61f99..0000000 --- a/chall/ply-2.2/test/yacc_unused.py +++ /dev/null @@ -1,78 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_unused.py -# -# A grammar with an unused rule -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules -precedence = ( - ('left','PLUS','MINUS'), - ('left','TIMES','DIVIDE'), - ('right','UMINUS'), - ) - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_expr_list(t): - 'exprlist : exprlist COMMA expression' - pass - -def p_expr_list_2(t): - 'exprlist : expression' - pass - - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/ply-2.2/test/yacc_uprec.exp b/chall/ply-2.2/test/yacc_uprec.exp deleted file mode 100644 index eb9a398..0000000 --- a/chall/ply-2.2/test/yacc_uprec.exp +++ /dev/null @@ -1,2 +0,0 @@ -./yacc_uprec.py:38: Nothing known about the precedence of 'UMINUS' -ply.yacc.YaccError: Unable to construct parser. diff --git a/chall/ply-2.2/test/yacc_uprec.py b/chall/ply-2.2/test/yacc_uprec.py deleted file mode 100644 index 0e8711e..0000000 --- a/chall/ply-2.2/test/yacc_uprec.py +++ /dev/null @@ -1,64 +0,0 @@ -# ----------------------------------------------------------------------------- -# yacc_uprec.py -# -# A grammar with a bad %prec specifier -# ----------------------------------------------------------------------------- -import sys -sys.tracebacklimit = 0 - -sys.path.insert(0,"..") -import ply.yacc as yacc - -from calclex import tokens - -# Parsing rules - -# dictionary of names -names = { } - -def p_statement_assign(t): - 'statement : NAME EQUALS expression' - names[t[1]] = t[3] - -def p_statement_expr(t): - 'statement : expression' - print t[1] - -def p_expression_binop(t): - '''expression : expression PLUS expression - | expression MINUS expression - | expression TIMES expression - | expression DIVIDE expression''' - if t[2] == '+' : t[0] = t[1] + t[3] - elif t[2] == '-': t[0] = t[1] - t[3] - elif t[2] == '*': t[0] = t[1] * t[3] - elif t[3] == '/': t[0] = t[1] / t[3] - -def p_expression_uminus(t): - 'expression : MINUS expression %prec UMINUS' - t[0] = -t[2] - -def p_expression_group(t): - 'expression : LPAREN expression RPAREN' - t[0] = t[2] - -def p_expression_number(t): - 'expression : NUMBER' - t[0] = t[1] - -def p_expression_name(t): - 'expression : NAME' - try: - t[0] = names[t[1]] - except LookupError: - print "Undefined name '%s'" % t[1] - t[0] = 0 - -def p_error(t): - print "Syntax error at '%s'" % t.value - -yacc.yacc() - - - - diff --git a/chall/src/css/bootstrap-grid.css b/chall/src/css/bootstrap-grid.css deleted file mode 100644 index 5a71a41..0000000 --- a/chall/src/css/bootstrap-grid.css +++ /dev/null @@ -1,2050 +0,0 @@ -/*! - * Bootstrap Grid v4.0.0 (https://getbootstrap.com) - * Copyright 2011-2018 The Bootstrap Authors - * Copyright 2011-2018 Twitter, Inc. - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - */ -@-ms-viewport { - width: device-width; -} - -html { - box-sizing: border-box; - -ms-overflow-style: scrollbar; -} - -*, -*::before, -*::after { - box-sizing: inherit; -} - -.container { - width: 100%; - padding-right: 15px; - padding-left: 15px; - margin-right: auto; - margin-left: auto; -} - -@media (min-width: 576px) { - .container { - max-width: 540px; - } -} - -@media (min-width: 768px) { - .container { - max-width: 720px; - } -} - -@media (min-width: 992px) { - .container { - max-width: 960px; - } -} - -@media (min-width: 1200px) { - .container { - max-width: 1140px; - } -} - -.container-fluid { - width: 100%; - padding-right: 15px; - padding-left: 15px; - margin-right: auto; - margin-left: auto; -} - -.row { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - margin-right: -15px; - margin-left: -15px; -} - -.no-gutters { - margin-right: 0; - margin-left: 0; -} - -.no-gutters > .col, -.no-gutters > [class*="col-"] { - padding-right: 0; - padding-left: 0; -} - -.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col, -.col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm, -.col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md, -.col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg, -.col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl, -.col-xl-auto { - position: relative; - width: 100%; - min-height: 1px; - padding-right: 15px; - padding-left: 15px; -} - -.col { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; -} - -.col-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; -} - -.col-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; -} - -.col-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; -} - -.col-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; -} - -.col-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; -} - -.col-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; -} - -.col-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; -} - -.col-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; -} - -.col-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; -} - -.col-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; -} - -.col-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; -} - -.col-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; -} - -.col-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; -} - -.order-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; -} - -.order-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; -} - -.order-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; -} - -.order-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; -} - -.order-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; -} - -.order-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; -} - -.order-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; -} - -.order-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; -} - -.order-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; -} - -.order-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; -} - -.order-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; -} - -.order-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; -} - -.order-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; -} - -.order-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; -} - -.order-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; -} - -.offset-1 { - margin-left: 8.333333%; -} - -.offset-2 { - margin-left: 16.666667%; -} - -.offset-3 { - margin-left: 25%; -} - -.offset-4 { - margin-left: 33.333333%; -} - -.offset-5 { - margin-left: 41.666667%; -} - -.offset-6 { - margin-left: 50%; -} - -.offset-7 { - margin-left: 58.333333%; -} - -.offset-8 { - margin-left: 66.666667%; -} - -.offset-9 { - margin-left: 75%; -} - -.offset-10 { - margin-left: 83.333333%; -} - -.offset-11 { - margin-left: 91.666667%; -} - -@media (min-width: 576px) { - .col-sm { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-sm-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-sm-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; - } - .col-sm-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; - } - .col-sm-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; - } - .col-sm-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; - } - .col-sm-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; - } - .col-sm-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; - } - .col-sm-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; - } - .col-sm-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; - } - .col-sm-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; - } - .col-sm-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; - } - .col-sm-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; - } - .col-sm-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; - } - .order-sm-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; - } - .order-sm-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; - } - .order-sm-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; - } - .order-sm-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-sm-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-sm-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-sm-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-sm-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-sm-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-sm-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-sm-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-sm-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-sm-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-sm-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-sm-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-sm-0 { - margin-left: 0; - } - .offset-sm-1 { - margin-left: 8.333333%; - } - .offset-sm-2 { - margin-left: 16.666667%; - } - .offset-sm-3 { - margin-left: 25%; - } - .offset-sm-4 { - margin-left: 33.333333%; - } - .offset-sm-5 { - margin-left: 41.666667%; - } - .offset-sm-6 { - margin-left: 50%; - } - .offset-sm-7 { - margin-left: 58.333333%; - } - .offset-sm-8 { - margin-left: 66.666667%; - } - .offset-sm-9 { - margin-left: 75%; - } - .offset-sm-10 { - margin-left: 83.333333%; - } - .offset-sm-11 { - margin-left: 91.666667%; - } -} - -@media (min-width: 768px) { - .col-md { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-md-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-md-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; - } - .col-md-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; - } - .col-md-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; - } - .col-md-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; - } - .col-md-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; - } - .col-md-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; - } - .col-md-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; - } - .col-md-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; - } - .col-md-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; - } - .col-md-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; - } - .col-md-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; - } - .col-md-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; - } - .order-md-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; - } - .order-md-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; - } - .order-md-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; - } - .order-md-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-md-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-md-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-md-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-md-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-md-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-md-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-md-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-md-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-md-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-md-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-md-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-md-0 { - margin-left: 0; - } - .offset-md-1 { - margin-left: 8.333333%; - } - .offset-md-2 { - margin-left: 16.666667%; - } - .offset-md-3 { - margin-left: 25%; - } - .offset-md-4 { - margin-left: 33.333333%; - } - .offset-md-5 { - margin-left: 41.666667%; - } - .offset-md-6 { - margin-left: 50%; - } - .offset-md-7 { - margin-left: 58.333333%; - } - .offset-md-8 { - margin-left: 66.666667%; - } - .offset-md-9 { - margin-left: 75%; - } - .offset-md-10 { - margin-left: 83.333333%; - } - .offset-md-11 { - margin-left: 91.666667%; - } -} - -@media (min-width: 992px) { - .col-lg { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-lg-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-lg-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; - } - .col-lg-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; - } - .col-lg-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; - } - .col-lg-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; - } - .col-lg-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; - } - .col-lg-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; - } - .col-lg-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; - } - .col-lg-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; - } - .col-lg-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; - } - .col-lg-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; - } - .col-lg-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; - } - .col-lg-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; - } - .order-lg-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; - } - .order-lg-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; - } - .order-lg-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; - } - .order-lg-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-lg-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-lg-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-lg-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-lg-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-lg-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-lg-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-lg-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-lg-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-lg-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-lg-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-lg-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-lg-0 { - margin-left: 0; - } - .offset-lg-1 { - margin-left: 8.333333%; - } - .offset-lg-2 { - margin-left: 16.666667%; - } - .offset-lg-3 { - margin-left: 25%; - } - .offset-lg-4 { - margin-left: 33.333333%; - } - .offset-lg-5 { - margin-left: 41.666667%; - } - .offset-lg-6 { - margin-left: 50%; - } - .offset-lg-7 { - margin-left: 58.333333%; - } - .offset-lg-8 { - margin-left: 66.666667%; - } - .offset-lg-9 { - margin-left: 75%; - } - .offset-lg-10 { - margin-left: 83.333333%; - } - .offset-lg-11 { - margin-left: 91.666667%; - } -} - -@media (min-width: 1200px) { - .col-xl { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-xl-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-xl-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; - } - .col-xl-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; - } - .col-xl-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; - } - .col-xl-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; - } - .col-xl-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; - } - .col-xl-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; - } - .col-xl-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; - } - .col-xl-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; - } - .col-xl-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; - } - .col-xl-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; - } - .col-xl-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; - } - .col-xl-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; - } - .order-xl-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; - } - .order-xl-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; - } - .order-xl-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; - } - .order-xl-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-xl-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-xl-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-xl-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-xl-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-xl-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-xl-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-xl-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-xl-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-xl-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-xl-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-xl-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-xl-0 { - margin-left: 0; - } - .offset-xl-1 { - margin-left: 8.333333%; - } - .offset-xl-2 { - margin-left: 16.666667%; - } - .offset-xl-3 { - margin-left: 25%; - } - .offset-xl-4 { - margin-left: 33.333333%; - } - .offset-xl-5 { - margin-left: 41.666667%; - } - .offset-xl-6 { - margin-left: 50%; - } - .offset-xl-7 { - margin-left: 58.333333%; - } - .offset-xl-8 { - margin-left: 66.666667%; - } - .offset-xl-9 { - margin-left: 75%; - } - .offset-xl-10 { - margin-left: 83.333333%; - } - .offset-xl-11 { - margin-left: 91.666667%; - } -} - -.d-none { - display: none !important; -} - -.d-inline { - display: inline !important; -} - -.d-inline-block { - display: inline-block !important; -} - -.d-block { - display: block !important; -} - -.d-table { - display: table !important; -} - -.d-table-row { - display: table-row !important; -} - -.d-table-cell { - display: table-cell !important; -} - -.d-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; -} - -.d-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; -} - -@media (min-width: 576px) { - .d-sm-none { - display: none !important; - } - .d-sm-inline { - display: inline !important; - } - .d-sm-inline-block { - display: inline-block !important; - } - .d-sm-block { - display: block !important; - } - .d-sm-table { - display: table !important; - } - .d-sm-table-row { - display: table-row !important; - } - .d-sm-table-cell { - display: table-cell !important; - } - .d-sm-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-sm-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media (min-width: 768px) { - .d-md-none { - display: none !important; - } - .d-md-inline { - display: inline !important; - } - .d-md-inline-block { - display: inline-block !important; - } - .d-md-block { - display: block !important; - } - .d-md-table { - display: table !important; - } - .d-md-table-row { - display: table-row !important; - } - .d-md-table-cell { - display: table-cell !important; - } - .d-md-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-md-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media (min-width: 992px) { - .d-lg-none { - display: none !important; - } - .d-lg-inline { - display: inline !important; - } - .d-lg-inline-block { - display: inline-block !important; - } - .d-lg-block { - display: block !important; - } - .d-lg-table { - display: table !important; - } - .d-lg-table-row { - display: table-row !important; - } - .d-lg-table-cell { - display: table-cell !important; - } - .d-lg-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-lg-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media (min-width: 1200px) { - .d-xl-none { - display: none !important; - } - .d-xl-inline { - display: inline !important; - } - .d-xl-inline-block { - display: inline-block !important; - } - .d-xl-block { - display: block !important; - } - .d-xl-table { - display: table !important; - } - .d-xl-table-row { - display: table-row !important; - } - .d-xl-table-cell { - display: table-cell !important; - } - .d-xl-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-xl-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media print { - .d-print-none { - display: none !important; - } - .d-print-inline { - display: inline !important; - } - .d-print-inline-block { - display: inline-block !important; - } - .d-print-block { - display: block !important; - } - .d-print-table { - display: table !important; - } - .d-print-table-row { - display: table-row !important; - } - .d-print-table-cell { - display: table-cell !important; - } - .d-print-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-print-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -.flex-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; -} - -.flex-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; -} - -.flex-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; -} - -.flex-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; -} - -.flex-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; -} - -.flex-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; -} - -.flex-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; -} - -.justify-content-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; -} - -.justify-content-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; -} - -.justify-content-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; -} - -.justify-content-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; -} - -.justify-content-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; -} - -.align-items-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; -} - -.align-items-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; -} - -.align-items-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; -} - -.align-items-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; -} - -.align-items-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; -} - -.align-content-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; -} - -.align-content-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; -} - -.align-content-center { - -ms-flex-line-pack: center !important; - align-content: center !important; -} - -.align-content-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; -} - -.align-content-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; -} - -.align-content-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; -} - -.align-self-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; -} - -.align-self-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; -} - -.align-self-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; -} - -.align-self-center { - -ms-flex-item-align: center !important; - align-self: center !important; -} - -.align-self-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; -} - -.align-self-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; -} - -@media (min-width: 576px) { - .flex-sm-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-sm-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-sm-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-sm-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-sm-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-sm-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - .flex-sm-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; - } - .justify-content-sm-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; - } - .justify-content-sm-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; - } - .justify-content-sm-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; - } - .justify-content-sm-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; - } - .justify-content-sm-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; - } - .align-items-sm-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; - } - .align-items-sm-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; - } - .align-items-sm-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; - } - .align-items-sm-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; - } - .align-items-sm-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; - } - .align-content-sm-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; - } - .align-content-sm-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; - } - .align-content-sm-center { - -ms-flex-line-pack: center !important; - align-content: center !important; - } - .align-content-sm-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; - } - .align-content-sm-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; - } - .align-content-sm-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; - } - .align-self-sm-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; - } - .align-self-sm-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; - } - .align-self-sm-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; - } - .align-self-sm-center { - -ms-flex-item-align: center !important; - align-self: center !important; - } - .align-self-sm-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; - } - .align-self-sm-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; - } -} - -@media (min-width: 768px) { - .flex-md-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-md-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-md-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-md-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-md-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-md-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - .flex-md-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; - } - .justify-content-md-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; - } - .justify-content-md-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; - } - .justify-content-md-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; - } - .justify-content-md-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; - } - .justify-content-md-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; - } - .align-items-md-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; - } - .align-items-md-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; - } - .align-items-md-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; - } - .align-items-md-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; - } - .align-items-md-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; - } - .align-content-md-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; - } - .align-content-md-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; - } - .align-content-md-center { - -ms-flex-line-pack: center !important; - align-content: center !important; - } - .align-content-md-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; - } - .align-content-md-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; - } - .align-content-md-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; - } - .align-self-md-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; - } - .align-self-md-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; - } - .align-self-md-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; - } - .align-self-md-center { - -ms-flex-item-align: center !important; - align-self: center !important; - } - .align-self-md-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; - } - .align-self-md-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; - } -} - -@media (min-width: 992px) { - .flex-lg-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-lg-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-lg-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-lg-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-lg-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-lg-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - 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-h1, h2, h3, h4, h5, h6, -.h1, .h2, .h3, .h4, .h5, .h6 { - margin-bottom: 0.5rem; - font-family: inherit; - font-weight: 500; - line-height: 1.2; - color: inherit; -} - -h1, .h1 { - font-size: 2.5rem; -} - -h2, .h2 { - font-size: 2rem; -} - -h3, .h3 { - font-size: 1.75rem; -} - -h4, .h4 { - font-size: 1.5rem; -} - -h5, .h5 { - font-size: 1.25rem; -} - -h6, .h6 { - font-size: 1rem; -} - -.lead { - font-size: 1.25rem; - font-weight: 300; -} - -.display-1 { - font-size: 6rem; - font-weight: 300; - line-height: 1.2; -} - -.display-2 { - font-size: 5.5rem; - font-weight: 300; - line-height: 1.2; -} - -.display-3 { - font-size: 4.5rem; - font-weight: 300; - line-height: 1.2; -} - -.display-4 { - font-size: 3.5rem; - font-weight: 300; - line-height: 1.2; -} - -hr { - margin-top: 1rem; - margin-bottom: 1rem; - border: 0; - border-top: 1px solid rgba(0, 0, 0, 0.1); -} - -small, -.small { - font-size: 80%; - font-weight: 400; -} - -mark, -.mark { - padding: 0.2em; - background-color: #fcf8e3; -} - -.list-unstyled { - padding-left: 0; - list-style: none; -} - -.list-inline { - padding-left: 0; - list-style: none; -} - -.list-inline-item { - display: inline-block; -} - -.list-inline-item:not(:last-child) { - margin-right: 0.5rem; -} - -.initialism { - font-size: 90%; - text-transform: uppercase; -} - -.blockquote { - margin-bottom: 1rem; - font-size: 1.25rem; -} - -.blockquote-footer { - display: block; - font-size: 80%; - color: #6c757d; -} - -.blockquote-footer::before { - content: "\2014 \00A0"; -} - -.img-fluid { - max-width: 100%; - height: auto; -} - -.img-thumbnail { - padding: 0.25rem; - background-color: #fff; - border: 1px solid #dee2e6; - border-radius: 0.25rem; - max-width: 100%; - height: auto; -} - -.figure { - display: inline-block; -} - -.figure-img { - margin-bottom: 0.5rem; - line-height: 1; -} - -.figure-caption { - font-size: 90%; - color: #6c757d; -} - -code, -kbd, -pre, -samp { - font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; -} - -code { - font-size: 87.5%; - color: #e83e8c; - word-break: break-word; -} - -a > code { - color: inherit; -} - -kbd { - padding: 0.2rem 0.4rem; - font-size: 87.5%; - color: #fff; - background-color: #212529; - border-radius: 0.2rem; -} - -kbd kbd { - padding: 0; - font-size: 100%; - font-weight: 700; -} - -pre { - display: block; - font-size: 87.5%; - color: #212529; -} - -pre code { - font-size: inherit; - color: inherit; - word-break: normal; -} - -.pre-scrollable { - max-height: 340px; - overflow-y: scroll; -} - -.container { - width: 100%; - padding-right: 15px; - padding-left: 15px; - margin-right: auto; - margin-left: auto; -} - -@media (min-width: 576px) { - .container { - max-width: 540px; - } -} - -@media (min-width: 768px) { - .container { - max-width: 720px; - } -} - -@media (min-width: 992px) { - .container { - max-width: 960px; - } -} - -@media (min-width: 1200px) { - .container { - max-width: 1140px; - } -} - -.container-fluid { - width: 100%; - padding-right: 15px; - padding-left: 15px; - margin-right: auto; - margin-left: auto; -} - -.row { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - margin-right: -15px; - margin-left: -15px; -} - -.no-gutters { - margin-right: 0; - margin-left: 0; -} - -.no-gutters > .col, -.no-gutters > [class*="col-"] { - padding-right: 0; - padding-left: 0; -} - -.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col, -.col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm, -.col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md, -.col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg, -.col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl, -.col-xl-auto { - position: relative; - width: 100%; - min-height: 1px; - padding-right: 15px; - padding-left: 15px; -} - -.col { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; -} - -.col-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; -} - -.col-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; -} - -.col-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; -} - -.col-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; -} - -.col-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; -} - -.col-5 { - 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-ms-flex-order: 13; - order: 13; -} - -.order-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; -} - -.order-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; -} - -.order-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; -} - -.order-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; -} - -.order-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; -} - -.order-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; -} - -.order-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; -} - -.order-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; -} - -.order-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; -} - -.order-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; -} - -.order-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; -} - -.order-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; -} - -.order-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; -} - -.offset-1 { - margin-left: 8.333333%; -} - -.offset-2 { - margin-left: 16.666667%; -} - -.offset-3 { - margin-left: 25%; -} - -.offset-4 { - margin-left: 33.333333%; -} - -.offset-5 { - margin-left: 41.666667%; -} - -.offset-6 { - margin-left: 50%; -} - -.offset-7 { - margin-left: 58.333333%; -} - -.offset-8 { - margin-left: 66.666667%; -} - -.offset-9 { - margin-left: 75%; -} - -.offset-10 { - margin-left: 83.333333%; -} - -.offset-11 { - margin-left: 91.666667%; -} - -@media (min-width: 576px) { - .col-sm { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-sm-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-sm-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 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.order-md-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-md-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-md-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-md-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-md-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-md-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-md-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-md-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-md-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-md-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-md-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-md-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-md-0 { - margin-left: 0; - } - .offset-md-1 { - margin-left: 8.333333%; - } - .offset-md-2 { - margin-left: 16.666667%; - } - .offset-md-3 { - margin-left: 25%; - } - .offset-md-4 { - margin-left: 33.333333%; - } - .offset-md-5 { - margin-left: 41.666667%; - } - .offset-md-6 { - margin-left: 50%; - } - .offset-md-7 { - margin-left: 58.333333%; - } - .offset-md-8 { - margin-left: 66.666667%; - } - .offset-md-9 { - margin-left: 75%; - } - .offset-md-10 { - margin-left: 83.333333%; - } - .offset-md-11 { - margin-left: 91.666667%; - } -} - -@media (min-width: 992px) { - .col-lg { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-lg-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-lg-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; - } - .col-lg-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; - } - .col-lg-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; - } - .col-lg-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; - } - .col-lg-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; - } - .col-lg-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; - } - .col-lg-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; - } - .col-lg-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; - } - .col-lg-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; - } - .col-lg-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; - } - .col-lg-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; - } - .col-lg-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; - } - .order-lg-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; - } - .order-lg-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; - } - .order-lg-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; - } - .order-lg-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-lg-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-lg-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-lg-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-lg-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-lg-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-lg-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-lg-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-lg-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-lg-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-lg-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-lg-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-lg-0 { - margin-left: 0; - } - .offset-lg-1 { - margin-left: 8.333333%; - } - .offset-lg-2 { - margin-left: 16.666667%; - } - .offset-lg-3 { - margin-left: 25%; - } - .offset-lg-4 { - margin-left: 33.333333%; - } - .offset-lg-5 { - margin-left: 41.666667%; - } - .offset-lg-6 { - margin-left: 50%; - } - .offset-lg-7 { - margin-left: 58.333333%; - } - .offset-lg-8 { - margin-left: 66.666667%; - } - .offset-lg-9 { - margin-left: 75%; - } - .offset-lg-10 { - margin-left: 83.333333%; - } - .offset-lg-11 { - margin-left: 91.666667%; - } -} - -@media (min-width: 1200px) { - .col-xl { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - max-width: 100%; - } - .col-xl-auto { - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - width: auto; - max-width: none; - } - .col-xl-1 { - -webkit-box-flex: 0; - -ms-flex: 0 0 8.333333%; - flex: 0 0 8.333333%; - max-width: 8.333333%; - } - .col-xl-2 { - -webkit-box-flex: 0; - -ms-flex: 0 0 16.666667%; - flex: 0 0 16.666667%; - max-width: 16.666667%; - } - .col-xl-3 { - -webkit-box-flex: 0; - -ms-flex: 0 0 25%; - flex: 0 0 25%; - max-width: 25%; - } - .col-xl-4 { - -webkit-box-flex: 0; - -ms-flex: 0 0 33.333333%; - flex: 0 0 33.333333%; - max-width: 33.333333%; - } - .col-xl-5 { - -webkit-box-flex: 0; - -ms-flex: 0 0 41.666667%; - flex: 0 0 41.666667%; - max-width: 41.666667%; - } - .col-xl-6 { - -webkit-box-flex: 0; - -ms-flex: 0 0 50%; - flex: 0 0 50%; - max-width: 50%; - } - .col-xl-7 { - -webkit-box-flex: 0; - -ms-flex: 0 0 58.333333%; - flex: 0 0 58.333333%; - max-width: 58.333333%; - } - .col-xl-8 { - -webkit-box-flex: 0; - -ms-flex: 0 0 66.666667%; - flex: 0 0 66.666667%; - max-width: 66.666667%; - } - .col-xl-9 { - -webkit-box-flex: 0; - -ms-flex: 0 0 75%; - flex: 0 0 75%; - max-width: 75%; - } - .col-xl-10 { - -webkit-box-flex: 0; - -ms-flex: 0 0 83.333333%; - flex: 0 0 83.333333%; - max-width: 83.333333%; - } - .col-xl-11 { - -webkit-box-flex: 0; - -ms-flex: 0 0 91.666667%; - flex: 0 0 91.666667%; - max-width: 91.666667%; - } - .col-xl-12 { - -webkit-box-flex: 0; - -ms-flex: 0 0 100%; - flex: 0 0 100%; - max-width: 100%; - } - .order-xl-first { - -webkit-box-ordinal-group: 0; - -ms-flex-order: -1; - order: -1; - } - .order-xl-last { - -webkit-box-ordinal-group: 14; - -ms-flex-order: 13; - order: 13; - } - .order-xl-0 { - -webkit-box-ordinal-group: 1; - -ms-flex-order: 0; - order: 0; - } - .order-xl-1 { - -webkit-box-ordinal-group: 2; - -ms-flex-order: 1; - order: 1; - } - .order-xl-2 { - -webkit-box-ordinal-group: 3; - -ms-flex-order: 2; - order: 2; - } - .order-xl-3 { - -webkit-box-ordinal-group: 4; - -ms-flex-order: 3; - order: 3; - } - .order-xl-4 { - -webkit-box-ordinal-group: 5; - -ms-flex-order: 4; - order: 4; - } - .order-xl-5 { - -webkit-box-ordinal-group: 6; - -ms-flex-order: 5; - order: 5; - } - .order-xl-6 { - -webkit-box-ordinal-group: 7; - -ms-flex-order: 6; - order: 6; - } - .order-xl-7 { - -webkit-box-ordinal-group: 8; - -ms-flex-order: 7; - order: 7; - } - .order-xl-8 { - -webkit-box-ordinal-group: 9; - -ms-flex-order: 8; - order: 8; - } - .order-xl-9 { - -webkit-box-ordinal-group: 10; - -ms-flex-order: 9; - order: 9; - } - .order-xl-10 { - -webkit-box-ordinal-group: 11; - -ms-flex-order: 10; - order: 10; - } - .order-xl-11 { - -webkit-box-ordinal-group: 12; - -ms-flex-order: 11; - order: 11; - } - .order-xl-12 { - -webkit-box-ordinal-group: 13; - -ms-flex-order: 12; - order: 12; - } - .offset-xl-0 { - margin-left: 0; - } - .offset-xl-1 { - margin-left: 8.333333%; - } - .offset-xl-2 { - margin-left: 16.666667%; - } - .offset-xl-3 { - margin-left: 25%; - } - .offset-xl-4 { - margin-left: 33.333333%; - } - .offset-xl-5 { - margin-left: 41.666667%; - } - .offset-xl-6 { - margin-left: 50%; - } - .offset-xl-7 { - margin-left: 58.333333%; - } - .offset-xl-8 { - margin-left: 66.666667%; - } - .offset-xl-9 { - margin-left: 75%; - } - .offset-xl-10 { - margin-left: 83.333333%; - } - .offset-xl-11 { - margin-left: 91.666667%; - } -} - -.table { - width: 100%; - max-width: 100%; - margin-bottom: 1rem; - background-color: transparent; -} - -.table th, -.table td { - padding: 0.75rem; - vertical-align: top; - border-top: 1px solid #dee2e6; -} - -.table thead th { - vertical-align: bottom; - border-bottom: 2px solid #dee2e6; -} - -.table tbody + tbody { - border-top: 2px solid #dee2e6; -} - -.table .table { - background-color: #fff; -} - -.table-sm th, -.table-sm td { - padding: 0.3rem; -} - -.table-bordered { - border: 1px solid #dee2e6; -} - -.table-bordered th, -.table-bordered td { - border: 1px solid #dee2e6; -} - -.table-bordered thead th, -.table-bordered thead td { - border-bottom-width: 2px; -} - -.table-striped tbody tr:nth-of-type(odd) { - background-color: rgba(0, 0, 0, 0.05); -} - -.table-hover tbody tr:hover { - background-color: rgba(0, 0, 0, 0.075); -} - -.table-primary, -.table-primary > th, -.table-primary > td { - background-color: #b8daff; -} - -.table-hover .table-primary:hover { - background-color: #9fcdff; -} - -.table-hover .table-primary:hover > td, -.table-hover .table-primary:hover > th { - background-color: #9fcdff; -} - -.table-secondary, -.table-secondary > th, -.table-secondary > td { - background-color: #d6d8db; -} - -.table-hover .table-secondary:hover { - background-color: #c8cbcf; -} - -.table-hover .table-secondary:hover > td, -.table-hover .table-secondary:hover > th { - background-color: #c8cbcf; -} - -.table-success, -.table-success > th, -.table-success > td { - background-color: #c3e6cb; -} - -.table-hover .table-success:hover { - background-color: #b1dfbb; -} - -.table-hover .table-success:hover > td, -.table-hover .table-success:hover > th { - background-color: #b1dfbb; -} - -.table-info, -.table-info > th, -.table-info > td { - background-color: #bee5eb; -} - -.table-hover .table-info:hover { - background-color: #abdde5; -} - -.table-hover .table-info:hover > td, -.table-hover .table-info:hover > th { - background-color: #abdde5; -} - -.table-warning, -.table-warning > th, -.table-warning > td { - background-color: #ffeeba; -} - -.table-hover .table-warning:hover { - background-color: #ffe8a1; -} - -.table-hover .table-warning:hover > td, -.table-hover .table-warning:hover > th { - background-color: #ffe8a1; -} - -.table-danger, -.table-danger > th, -.table-danger > td { - background-color: #f5c6cb; -} - -.table-hover .table-danger:hover { - background-color: #f1b0b7; -} - -.table-hover .table-danger:hover > td, -.table-hover .table-danger:hover > th { - background-color: #f1b0b7; -} - -.table-light, -.table-light > th, -.table-light > td { - background-color: #fdfdfe; -} - -.table-hover .table-light:hover { - background-color: #ececf6; -} - -.table-hover .table-light:hover > td, -.table-hover .table-light:hover > th { - background-color: #ececf6; -} - -.table-dark, -.table-dark > th, -.table-dark > td { - background-color: #c6c8ca; -} - -.table-hover .table-dark:hover { - background-color: #b9bbbe; -} - -.table-hover .table-dark:hover > td, -.table-hover .table-dark:hover > th { - background-color: #b9bbbe; -} - -.table-active, -.table-active > th, -.table-active > td { - background-color: rgba(0, 0, 0, 0.075); -} - -.table-hover .table-active:hover { - background-color: rgba(0, 0, 0, 0.075); -} - -.table-hover .table-active:hover > td, -.table-hover .table-active:hover > th { - background-color: rgba(0, 0, 0, 0.075); -} - -.table .thead-dark th { - color: #fff; - background-color: #212529; - border-color: #32383e; -} - -.table .thead-light th { - color: #495057; - background-color: #e9ecef; - border-color: #dee2e6; -} - -.table-dark { - color: #fff; - background-color: #212529; -} - -.table-dark th, -.table-dark td, -.table-dark thead th { - border-color: #32383e; -} - -.table-dark.table-bordered { - border: 0; -} - -.table-dark.table-striped tbody tr:nth-of-type(odd) { - background-color: rgba(255, 255, 255, 0.05); -} - -.table-dark.table-hover tbody tr:hover { - background-color: rgba(255, 255, 255, 0.075); -} - -@media (max-width: 575.98px) { - .table-responsive-sm { - display: block; - width: 100%; - overflow-x: auto; - -webkit-overflow-scrolling: touch; - -ms-overflow-style: -ms-autohiding-scrollbar; - } - .table-responsive-sm > .table-bordered { - border: 0; - } -} - -@media (max-width: 767.98px) { - .table-responsive-md { - display: block; - width: 100%; - overflow-x: auto; - -webkit-overflow-scrolling: touch; - -ms-overflow-style: -ms-autohiding-scrollbar; - } - .table-responsive-md > .table-bordered { - border: 0; - } -} - -@media (max-width: 991.98px) { - .table-responsive-lg { - display: block; - width: 100%; - overflow-x: auto; - -webkit-overflow-scrolling: touch; - -ms-overflow-style: -ms-autohiding-scrollbar; - } - .table-responsive-lg > .table-bordered { - border: 0; - } -} - -@media (max-width: 1199.98px) { - .table-responsive-xl { - display: block; - width: 100%; - overflow-x: auto; - -webkit-overflow-scrolling: touch; - -ms-overflow-style: -ms-autohiding-scrollbar; - } - .table-responsive-xl > .table-bordered { - border: 0; - } -} - -.table-responsive { - display: block; - width: 100%; - overflow-x: auto; - -webkit-overflow-scrolling: touch; - -ms-overflow-style: -ms-autohiding-scrollbar; -} - -.table-responsive > .table-bordered { - border: 0; -} - -.form-control { - display: block; - width: 100%; - padding: 0.375rem 0.75rem; - font-size: 1rem; - line-height: 1.5; - color: #495057; - background-color: #fff; - background-clip: padding-box; - border: 1px solid #ced4da; - border-radius: 0.25rem; - transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out; -} - -.form-control::-ms-expand { - background-color: transparent; - border: 0; -} - -.form-control:focus { - color: #495057; - background-color: #fff; - border-color: #80bdff; - outline: 0; - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); -} - -.form-control::-webkit-input-placeholder { - color: #6c757d; - opacity: 1; -} - -.form-control::-moz-placeholder { - color: #6c757d; - opacity: 1; -} - -.form-control:-ms-input-placeholder { - color: #6c757d; - opacity: 1; -} - -.form-control::-ms-input-placeholder { - color: #6c757d; - opacity: 1; -} - -.form-control::placeholder { - color: #6c757d; - opacity: 1; -} - -.form-control:disabled, .form-control[readonly] { - background-color: #e9ecef; - opacity: 1; -} - -select.form-control:not([size]):not([multiple]) { - height: calc(2.25rem + 2px); -} - -select.form-control:focus::-ms-value { - color: #495057; - background-color: #fff; -} - -.form-control-file, -.form-control-range { - display: block; - width: 100%; -} - -.col-form-label { - padding-top: calc(0.375rem + 1px); - padding-bottom: calc(0.375rem + 1px); - margin-bottom: 0; - font-size: inherit; - line-height: 1.5; -} - -.col-form-label-lg { - padding-top: calc(0.5rem + 1px); - padding-bottom: calc(0.5rem + 1px); - font-size: 1.25rem; - line-height: 1.5; -} - -.col-form-label-sm { - padding-top: calc(0.25rem + 1px); - padding-bottom: calc(0.25rem + 1px); - font-size: 0.875rem; - line-height: 1.5; -} - -.form-control-plaintext { - display: block; - width: 100%; - padding-top: 0.375rem; - padding-bottom: 0.375rem; - margin-bottom: 0; - line-height: 1.5; - background-color: transparent; - border: solid transparent; - border-width: 1px 0; -} - -.form-control-plaintext.form-control-sm, .input-group-sm > .form-control-plaintext.form-control, -.input-group-sm > .input-group-prepend > .form-control-plaintext.input-group-text, -.input-group-sm > .input-group-append > .form-control-plaintext.input-group-text, -.input-group-sm > .input-group-prepend > .form-control-plaintext.btn, -.input-group-sm > .input-group-append > .form-control-plaintext.btn, .form-control-plaintext.form-control-lg, .input-group-lg > .form-control-plaintext.form-control, -.input-group-lg > .input-group-prepend > .form-control-plaintext.input-group-text, -.input-group-lg > .input-group-append > .form-control-plaintext.input-group-text, -.input-group-lg > .input-group-prepend > .form-control-plaintext.btn, -.input-group-lg > .input-group-append > .form-control-plaintext.btn { - padding-right: 0; - padding-left: 0; -} - -.form-control-sm, .input-group-sm > .form-control, -.input-group-sm > .input-group-prepend > .input-group-text, -.input-group-sm > .input-group-append > .input-group-text, -.input-group-sm > .input-group-prepend > .btn, -.input-group-sm > .input-group-append > .btn { - padding: 0.25rem 0.5rem; - font-size: 0.875rem; - line-height: 1.5; - border-radius: 0.2rem; -} - -select.form-control-sm:not([size]):not([multiple]), .input-group-sm > select.form-control:not([size]):not([multiple]), -.input-group-sm > .input-group-prepend > select.input-group-text:not([size]):not([multiple]), -.input-group-sm > .input-group-append > select.input-group-text:not([size]):not([multiple]), -.input-group-sm > .input-group-prepend > select.btn:not([size]):not([multiple]), -.input-group-sm > .input-group-append > select.btn:not([size]):not([multiple]) { - height: calc(1.8125rem + 2px); -} - -.form-control-lg, .input-group-lg > .form-control, -.input-group-lg > .input-group-prepend > .input-group-text, -.input-group-lg > .input-group-append > .input-group-text, -.input-group-lg > .input-group-prepend > .btn, -.input-group-lg > .input-group-append > .btn { - padding: 0.5rem 1rem; - font-size: 1.25rem; - line-height: 1.5; - border-radius: 0.3rem; -} - -select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.form-control:not([size]):not([multiple]), -.input-group-lg > .input-group-prepend > select.input-group-text:not([size]):not([multiple]), -.input-group-lg > .input-group-append > select.input-group-text:not([size]):not([multiple]), -.input-group-lg > .input-group-prepend > select.btn:not([size]):not([multiple]), -.input-group-lg > .input-group-append > select.btn:not([size]):not([multiple]) { - height: calc(2.875rem + 2px); -} - -.form-group { - margin-bottom: 1rem; -} - -.form-text { - display: block; - margin-top: 0.25rem; -} - -.form-row { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - margin-right: -5px; - margin-left: -5px; -} - -.form-row > .col, -.form-row > [class*="col-"] { - padding-right: 5px; - padding-left: 5px; -} - -.form-check { - position: relative; - display: block; - padding-left: 1.25rem; -} - -.form-check-input { - position: absolute; - margin-top: 0.3rem; - margin-left: -1.25rem; -} - -.form-check-input:disabled ~ .form-check-label { - color: #6c757d; -} - -.form-check-label { - margin-bottom: 0; -} - -.form-check-inline { - display: -webkit-inline-box; - display: -ms-inline-flexbox; - display: inline-flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - padding-left: 0; - margin-right: 0.75rem; -} - -.form-check-inline .form-check-input { - position: static; - margin-top: 0; - margin-right: 0.3125rem; - margin-left: 0; -} - -.valid-feedback { - display: none; - width: 100%; - margin-top: 0.25rem; - font-size: 80%; - color: #28a745; -} - -.valid-tooltip { - position: absolute; - top: 100%; - z-index: 5; - display: none; - max-width: 100%; - padding: .5rem; - margin-top: .1rem; - font-size: .875rem; - line-height: 1; - color: #fff; - background-color: rgba(40, 167, 69, 0.8); - border-radius: .2rem; -} - -.was-validated .form-control:valid, .form-control.is-valid, .was-validated -.custom-select:valid, -.custom-select.is-valid { - border-color: #28a745; -} - -.was-validated .form-control:valid:focus, .form-control.is-valid:focus, .was-validated -.custom-select:valid:focus, -.custom-select.is-valid:focus { - border-color: #28a745; - box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25); -} - -.was-validated .form-control:valid ~ .valid-feedback, -.was-validated .form-control:valid ~ .valid-tooltip, .form-control.is-valid ~ .valid-feedback, -.form-control.is-valid ~ .valid-tooltip, .was-validated -.custom-select:valid ~ .valid-feedback, -.was-validated -.custom-select:valid ~ .valid-tooltip, -.custom-select.is-valid ~ .valid-feedback, -.custom-select.is-valid ~ .valid-tooltip { - display: block; -} - -.was-validated .form-check-input:valid ~ .form-check-label, .form-check-input.is-valid ~ .form-check-label { - color: #28a745; -} - -.was-validated .form-check-input:valid ~ .valid-feedback, -.was-validated .form-check-input:valid ~ .valid-tooltip, .form-check-input.is-valid ~ .valid-feedback, -.form-check-input.is-valid ~ .valid-tooltip { - display: block; -} - -.was-validated .custom-control-input:valid ~ .custom-control-label, .custom-control-input.is-valid ~ .custom-control-label { - color: #28a745; -} - -.was-validated .custom-control-input:valid ~ .custom-control-label::before, .custom-control-input.is-valid ~ .custom-control-label::before { - background-color: #71dd8a; -} - -.was-validated .custom-control-input:valid ~ .valid-feedback, -.was-validated .custom-control-input:valid ~ .valid-tooltip, .custom-control-input.is-valid ~ .valid-feedback, -.custom-control-input.is-valid ~ .valid-tooltip { - display: block; -} - -.was-validated .custom-control-input:valid:checked ~ .custom-control-label::before, .custom-control-input.is-valid:checked ~ .custom-control-label::before { - background-color: #34ce57; -} - -.was-validated .custom-control-input:valid:focus ~ .custom-control-label::before, .custom-control-input.is-valid:focus ~ .custom-control-label::before { - box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(40, 167, 69, 0.25); -} - -.was-validated .custom-file-input:valid ~ .custom-file-label, .custom-file-input.is-valid ~ .custom-file-label { - border-color: #28a745; -} - -.was-validated .custom-file-input:valid ~ .custom-file-label::before, .custom-file-input.is-valid ~ .custom-file-label::before { - border-color: inherit; -} - -.was-validated .custom-file-input:valid ~ .valid-feedback, -.was-validated .custom-file-input:valid ~ .valid-tooltip, .custom-file-input.is-valid ~ .valid-feedback, -.custom-file-input.is-valid ~ .valid-tooltip { - display: block; -} - -.was-validated .custom-file-input:valid:focus ~ .custom-file-label, .custom-file-input.is-valid:focus ~ .custom-file-label { - box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25); -} - -.invalid-feedback { - display: none; - width: 100%; - margin-top: 0.25rem; - font-size: 80%; - color: #dc3545; -} - -.invalid-tooltip { - position: absolute; - top: 100%; - z-index: 5; - display: none; - max-width: 100%; - padding: .5rem; - margin-top: .1rem; - font-size: .875rem; - line-height: 1; - color: #fff; - background-color: rgba(220, 53, 69, 0.8); - border-radius: .2rem; -} - -.was-validated .form-control:invalid, .form-control.is-invalid, .was-validated -.custom-select:invalid, -.custom-select.is-invalid { - border-color: #dc3545; -} - -.was-validated .form-control:invalid:focus, .form-control.is-invalid:focus, .was-validated -.custom-select:invalid:focus, -.custom-select.is-invalid:focus { - border-color: #dc3545; - box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25); -} - -.was-validated .form-control:invalid ~ .invalid-feedback, -.was-validated .form-control:invalid ~ .invalid-tooltip, .form-control.is-invalid ~ .invalid-feedback, -.form-control.is-invalid ~ .invalid-tooltip, .was-validated -.custom-select:invalid ~ .invalid-feedback, -.was-validated -.custom-select:invalid ~ .invalid-tooltip, -.custom-select.is-invalid ~ .invalid-feedback, -.custom-select.is-invalid ~ .invalid-tooltip { - display: block; -} - -.was-validated .form-check-input:invalid ~ .form-check-label, .form-check-input.is-invalid ~ .form-check-label { - color: #dc3545; -} - -.was-validated .form-check-input:invalid ~ .invalid-feedback, -.was-validated .form-check-input:invalid ~ .invalid-tooltip, .form-check-input.is-invalid ~ .invalid-feedback, -.form-check-input.is-invalid ~ .invalid-tooltip { - display: block; -} - -.was-validated .custom-control-input:invalid ~ .custom-control-label, .custom-control-input.is-invalid ~ .custom-control-label { - color: #dc3545; -} - -.was-validated .custom-control-input:invalid ~ .custom-control-label::before, .custom-control-input.is-invalid ~ .custom-control-label::before { - background-color: #efa2a9; -} - -.was-validated .custom-control-input:invalid ~ .invalid-feedback, -.was-validated .custom-control-input:invalid ~ .invalid-tooltip, .custom-control-input.is-invalid ~ .invalid-feedback, -.custom-control-input.is-invalid ~ .invalid-tooltip { - display: block; -} - -.was-validated .custom-control-input:invalid:checked ~ .custom-control-label::before, .custom-control-input.is-invalid:checked ~ .custom-control-label::before { - background-color: #e4606d; -} - -.was-validated .custom-control-input:invalid:focus ~ .custom-control-label::before, .custom-control-input.is-invalid:focus ~ .custom-control-label::before { - box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(220, 53, 69, 0.25); -} - -.was-validated .custom-file-input:invalid ~ .custom-file-label, .custom-file-input.is-invalid ~ .custom-file-label { - border-color: #dc3545; -} - -.was-validated .custom-file-input:invalid ~ .custom-file-label::before, .custom-file-input.is-invalid ~ .custom-file-label::before { - border-color: inherit; -} - -.was-validated .custom-file-input:invalid ~ .invalid-feedback, -.was-validated .custom-file-input:invalid ~ .invalid-tooltip, .custom-file-input.is-invalid ~ .invalid-feedback, -.custom-file-input.is-invalid ~ .invalid-tooltip { - display: block; -} - -.was-validated .custom-file-input:invalid:focus ~ .custom-file-label, .custom-file-input.is-invalid:focus ~ .custom-file-label { - box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25); -} - -.form-inline { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row wrap; - flex-flow: row wrap; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; -} - -.form-inline .form-check { - width: 100%; -} - -@media (min-width: 576px) { - .form-inline label { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; - margin-bottom: 0; - } - .form-inline .form-group { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-flex: 0; - -ms-flex: 0 0 auto; - flex: 0 0 auto; - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row wrap; - flex-flow: row wrap; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - margin-bottom: 0; - } - .form-inline .form-control { - display: inline-block; - width: auto; - vertical-align: middle; - } - .form-inline .form-control-plaintext { - display: inline-block; - } - .form-inline .input-group { - width: auto; - } - .form-inline .form-check { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; - width: auto; - padding-left: 0; - } - .form-inline .form-check-input { - position: relative; - margin-top: 0; - margin-right: 0.25rem; - margin-left: 0; - } - .form-inline .custom-control { - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; - } - .form-inline .custom-control-label { - margin-bottom: 0; - } -} - -.btn { - display: inline-block; - font-weight: 400; - text-align: center; - white-space: nowrap; - vertical-align: middle; - -webkit-user-select: none; - -moz-user-select: none; - -ms-user-select: none; - user-select: none; - border: 1px solid transparent; - padding: 0.375rem 0.75rem; - font-size: 1rem; - line-height: 1.5; - border-radius: 0.25rem; - transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out; -} - -.btn:hover, .btn:focus { - text-decoration: none; -} - -.btn:focus, .btn.focus { - outline: 0; - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); -} - -.btn.disabled, .btn:disabled { - opacity: 0.65; -} - -.btn:not(:disabled):not(.disabled) { - cursor: pointer; -} - -.btn:not(:disabled):not(.disabled):active, .btn:not(:disabled):not(.disabled).active { - background-image: none; -} - -a.btn.disabled, -fieldset:disabled a.btn { - pointer-events: none; -} - -.btn-primary { - color: #fff; - background-color: #007bff; - border-color: #007bff; -} - -.btn-primary:hover { - color: #fff; - background-color: #0069d9; - border-color: #0062cc; -} - -.btn-primary:focus, .btn-primary.focus { - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); -} - -.btn-primary.disabled, .btn-primary:disabled { - color: #fff; - background-color: #007bff; - border-color: #007bff; -} - -.btn-primary:not(:disabled):not(.disabled):active, .btn-primary:not(:disabled):not(.disabled).active, -.show > .btn-primary.dropdown-toggle { - color: #fff; - background-color: #0062cc; - border-color: #005cbf; -} - -.btn-primary:not(:disabled):not(.disabled):active:focus, .btn-primary:not(:disabled):not(.disabled).active:focus, -.show > .btn-primary.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); -} - -.btn-secondary { - color: #fff; - background-color: #6c757d; - border-color: #6c757d; -} - -.btn-secondary:hover { - color: #fff; - background-color: #5a6268; - border-color: #545b62; -} - -.btn-secondary:focus, .btn-secondary.focus { - box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); -} - -.btn-secondary.disabled, .btn-secondary:disabled { - color: #fff; - background-color: #6c757d; - border-color: #6c757d; -} - -.btn-secondary:not(:disabled):not(.disabled):active, .btn-secondary:not(:disabled):not(.disabled).active, -.show > .btn-secondary.dropdown-toggle { - color: #fff; - background-color: #545b62; - border-color: #4e555b; -} - -.btn-secondary:not(:disabled):not(.disabled):active:focus, .btn-secondary:not(:disabled):not(.disabled).active:focus, -.show > .btn-secondary.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); -} - -.btn-success { - color: #fff; - background-color: #28a745; - border-color: #28a745; -} - -.btn-success:hover { - color: #fff; - background-color: #218838; - border-color: #1e7e34; -} - -.btn-success:focus, .btn-success.focus { - box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); -} - -.btn-success.disabled, .btn-success:disabled { - color: #fff; - background-color: #28a745; - border-color: #28a745; -} - -.btn-success:not(:disabled):not(.disabled):active, .btn-success:not(:disabled):not(.disabled).active, -.show > .btn-success.dropdown-toggle { - color: #fff; - background-color: #1e7e34; - border-color: #1c7430; -} - -.btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus, -.show > .btn-success.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); -} - -.btn-info { - color: #fff; - background-color: #17a2b8; - border-color: #17a2b8; -} - -.btn-info:hover { - color: #fff; - background-color: #138496; - border-color: #117a8b; -} - -.btn-info:focus, .btn-info.focus { - box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); -} - -.btn-info.disabled, .btn-info:disabled { - color: #fff; - background-color: #17a2b8; - border-color: #17a2b8; -} - -.btn-info:not(:disabled):not(.disabled):active, .btn-info:not(:disabled):not(.disabled).active, -.show > .btn-info.dropdown-toggle { - color: #fff; - background-color: #117a8b; - border-color: #10707f; -} - -.btn-info:not(:disabled):not(.disabled):active:focus, .btn-info:not(:disabled):not(.disabled).active:focus, -.show > .btn-info.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); -} - -.btn-warning { - color: #212529; - background-color: #ffc107; - border-color: #ffc107; -} - -.btn-warning:hover { - color: #212529; - background-color: #e0a800; - border-color: #d39e00; -} - -.btn-warning:focus, .btn-warning.focus { - box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); -} - -.btn-warning.disabled, .btn-warning:disabled { - color: #212529; - background-color: #ffc107; - border-color: #ffc107; -} - -.btn-warning:not(:disabled):not(.disabled):active, .btn-warning:not(:disabled):not(.disabled).active, -.show > .btn-warning.dropdown-toggle { - color: #212529; - background-color: #d39e00; - border-color: #c69500; -} - -.btn-warning:not(:disabled):not(.disabled):active:focus, .btn-warning:not(:disabled):not(.disabled).active:focus, -.show > .btn-warning.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); -} - -.btn-danger { - color: #fff; - background-color: #dc3545; - border-color: #dc3545; -} - -.btn-danger:hover { - color: #fff; - background-color: #c82333; - border-color: #bd2130; -} - -.btn-danger:focus, .btn-danger.focus { - box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); -} - -.btn-danger.disabled, .btn-danger:disabled { - color: #fff; - background-color: #dc3545; - border-color: #dc3545; -} - -.btn-danger:not(:disabled):not(.disabled):active, .btn-danger:not(:disabled):not(.disabled).active, -.show > .btn-danger.dropdown-toggle { - color: #fff; - background-color: #bd2130; - border-color: #b21f2d; -} - -.btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus, -.show > .btn-danger.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); -} - -.btn-light { - color: #212529; - background-color: #f8f9fa; - border-color: #f8f9fa; -} - -.btn-light:hover { - color: #212529; - background-color: #e2e6ea; - border-color: #dae0e5; -} - -.btn-light:focus, .btn-light.focus { - box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); -} - -.btn-light.disabled, .btn-light:disabled { - color: #212529; - background-color: #f8f9fa; - border-color: #f8f9fa; -} - -.btn-light:not(:disabled):not(.disabled):active, .btn-light:not(:disabled):not(.disabled).active, -.show > .btn-light.dropdown-toggle { - color: #212529; - background-color: #dae0e5; - border-color: #d3d9df; -} - -.btn-light:not(:disabled):not(.disabled):active:focus, .btn-light:not(:disabled):not(.disabled).active:focus, -.show > .btn-light.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); -} - -.btn-dark { - color: #fff; - background-color: #343a40; - border-color: #343a40; -} - -.btn-dark:hover { - color: #fff; - background-color: #23272b; - border-color: #1d2124; -} - -.btn-dark:focus, .btn-dark.focus { - box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); -} - -.btn-dark.disabled, .btn-dark:disabled { - color: #fff; - background-color: #343a40; - border-color: #343a40; -} - -.btn-dark:not(:disabled):not(.disabled):active, .btn-dark:not(:disabled):not(.disabled).active, -.show > .btn-dark.dropdown-toggle { - color: #fff; - background-color: #1d2124; - border-color: #171a1d; -} - -.btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus, -.show > .btn-dark.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); -} - -.btn-outline-primary { - color: #007bff; - background-color: transparent; - background-image: none; - border-color: #007bff; -} - -.btn-outline-primary:hover { - color: #fff; - background-color: #007bff; - border-color: #007bff; -} - -.btn-outline-primary:focus, .btn-outline-primary.focus { - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); -} - -.btn-outline-primary.disabled, .btn-outline-primary:disabled { - color: #007bff; - background-color: transparent; -} - -.btn-outline-primary:not(:disabled):not(.disabled):active, .btn-outline-primary:not(:disabled):not(.disabled).active, -.show > .btn-outline-primary.dropdown-toggle { - color: #fff; - background-color: #007bff; - border-color: #007bff; -} - -.btn-outline-primary:not(:disabled):not(.disabled):active:focus, .btn-outline-primary:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-primary.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); -} - -.btn-outline-secondary { - color: #6c757d; - background-color: transparent; - background-image: none; - border-color: #6c757d; -} - -.btn-outline-secondary:hover { - color: #fff; - background-color: #6c757d; - border-color: #6c757d; -} - -.btn-outline-secondary:focus, .btn-outline-secondary.focus { - box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); -} - -.btn-outline-secondary.disabled, .btn-outline-secondary:disabled { - color: #6c757d; - background-color: transparent; -} - -.btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active, -.show > .btn-outline-secondary.dropdown-toggle { - color: #fff; - background-color: #6c757d; - border-color: #6c757d; -} - -.btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-secondary.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); -} - -.btn-outline-success { - color: #28a745; - background-color: transparent; - background-image: none; - border-color: #28a745; -} - -.btn-outline-success:hover { - color: #fff; - background-color: #28a745; - border-color: #28a745; -} - -.btn-outline-success:focus, .btn-outline-success.focus { - box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); -} - -.btn-outline-success.disabled, .btn-outline-success:disabled { - color: #28a745; - background-color: transparent; -} - -.btn-outline-success:not(:disabled):not(.disabled):active, .btn-outline-success:not(:disabled):not(.disabled).active, -.show > .btn-outline-success.dropdown-toggle { - color: #fff; - background-color: #28a745; - border-color: #28a745; -} - -.btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-success.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); -} - -.btn-outline-info { - color: #17a2b8; - background-color: transparent; - background-image: none; - border-color: #17a2b8; -} - -.btn-outline-info:hover { - color: #fff; - background-color: #17a2b8; - border-color: #17a2b8; -} - -.btn-outline-info:focus, .btn-outline-info.focus { - box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); -} - -.btn-outline-info.disabled, .btn-outline-info:disabled { - color: #17a2b8; - background-color: transparent; -} - -.btn-outline-info:not(:disabled):not(.disabled):active, .btn-outline-info:not(:disabled):not(.disabled).active, -.show > .btn-outline-info.dropdown-toggle { - color: #fff; - background-color: #17a2b8; - border-color: #17a2b8; -} - -.btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-info.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); -} - -.btn-outline-warning { - color: #ffc107; - background-color: transparent; - background-image: none; - border-color: #ffc107; -} - -.btn-outline-warning:hover { - color: #212529; - background-color: #ffc107; - border-color: #ffc107; -} - -.btn-outline-warning:focus, .btn-outline-warning.focus { - box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); -} - -.btn-outline-warning.disabled, .btn-outline-warning:disabled { - color: #ffc107; - background-color: transparent; -} - -.btn-outline-warning:not(:disabled):not(.disabled):active, .btn-outline-warning:not(:disabled):not(.disabled).active, -.show > .btn-outline-warning.dropdown-toggle { - color: #212529; - background-color: #ffc107; - border-color: #ffc107; -} - -.btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-warning.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); -} - -.btn-outline-danger { - color: #dc3545; - background-color: transparent; - background-image: none; - border-color: #dc3545; -} - -.btn-outline-danger:hover { - color: #fff; - background-color: #dc3545; - border-color: #dc3545; -} - -.btn-outline-danger:focus, .btn-outline-danger.focus { - box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); -} - -.btn-outline-danger.disabled, .btn-outline-danger:disabled { - color: #dc3545; - background-color: transparent; -} - -.btn-outline-danger:not(:disabled):not(.disabled):active, .btn-outline-danger:not(:disabled):not(.disabled).active, -.show > .btn-outline-danger.dropdown-toggle { - color: #fff; - background-color: #dc3545; - border-color: #dc3545; -} - -.btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-danger.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); -} - -.btn-outline-light { - color: #f8f9fa; - background-color: transparent; - background-image: none; - border-color: #f8f9fa; -} - -.btn-outline-light:hover { - color: #212529; - background-color: #f8f9fa; - border-color: #f8f9fa; -} - -.btn-outline-light:focus, .btn-outline-light.focus { - box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); -} - -.btn-outline-light.disabled, .btn-outline-light:disabled { - color: #f8f9fa; - background-color: transparent; -} - -.btn-outline-light:not(:disabled):not(.disabled):active, .btn-outline-light:not(:disabled):not(.disabled).active, -.show > .btn-outline-light.dropdown-toggle { - color: #212529; - background-color: #f8f9fa; - border-color: #f8f9fa; -} - -.btn-outline-light:not(:disabled):not(.disabled):active:focus, .btn-outline-light:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-light.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); -} - -.btn-outline-dark { - color: #343a40; - background-color: transparent; - background-image: none; - border-color: #343a40; -} - -.btn-outline-dark:hover { - color: #fff; - background-color: #343a40; - border-color: #343a40; -} - -.btn-outline-dark:focus, .btn-outline-dark.focus { - box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); -} - -.btn-outline-dark.disabled, .btn-outline-dark:disabled { - color: #343a40; - background-color: transparent; -} - -.btn-outline-dark:not(:disabled):not(.disabled):active, .btn-outline-dark:not(:disabled):not(.disabled).active, -.show > .btn-outline-dark.dropdown-toggle { - color: #fff; - background-color: #343a40; - border-color: #343a40; -} - -.btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus, -.show > .btn-outline-dark.dropdown-toggle:focus { - box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); -} - -.btn-link { - font-weight: 400; - color: #007bff; - background-color: transparent; -} - -.btn-link:hover { - color: #0056b3; - text-decoration: underline; - background-color: transparent; - border-color: transparent; -} - -.btn-link:focus, .btn-link.focus { - text-decoration: underline; - border-color: transparent; - box-shadow: none; -} - -.btn-link:disabled, .btn-link.disabled { - color: #6c757d; -} - -.btn-lg, .btn-group-lg > .btn { - padding: 0.5rem 1rem; - font-size: 1.25rem; - line-height: 1.5; - border-radius: 0.3rem; -} - -.btn-sm, .btn-group-sm > .btn { - padding: 0.25rem 0.5rem; - font-size: 0.875rem; - line-height: 1.5; - border-radius: 0.2rem; -} - -.btn-block { - display: block; - width: 100%; -} - -.btn-block + .btn-block { - margin-top: 0.5rem; -} - -input[type="submit"].btn-block, -input[type="reset"].btn-block, -input[type="button"].btn-block { - width: 100%; -} - -.fade { - opacity: 0; - transition: opacity 0.15s linear; -} - -.fade.show { - opacity: 1; -} - -.collapse { - display: none; -} - -.collapse.show { - display: block; -} - -tr.collapse.show { - display: table-row; -} - -tbody.collapse.show { - display: table-row-group; -} - -.collapsing { - position: relative; - height: 0; - overflow: hidden; - transition: height 0.35s ease; -} - -.dropup, -.dropdown { - position: relative; -} - -.dropdown-toggle::after { - display: inline-block; - width: 0; - height: 0; - margin-left: 0.255em; - vertical-align: 0.255em; - content: ""; - border-top: 0.3em solid; - border-right: 0.3em solid transparent; - border-bottom: 0; - border-left: 0.3em solid transparent; -} - -.dropdown-toggle:empty::after { - margin-left: 0; -} - -.dropdown-menu { - position: absolute; - top: 100%; - left: 0; - z-index: 1000; - display: none; - float: left; - min-width: 10rem; - padding: 0.5rem 0; - margin: 0.125rem 0 0; - font-size: 1rem; - color: #212529; - text-align: left; - list-style: none; - background-color: #fff; - background-clip: padding-box; - border: 1px solid rgba(0, 0, 0, 0.15); - border-radius: 0.25rem; -} - -.dropup .dropdown-menu { - margin-top: 0; - margin-bottom: 0.125rem; -} - -.dropup .dropdown-toggle::after { - display: inline-block; - width: 0; - height: 0; - margin-left: 0.255em; - vertical-align: 0.255em; - content: ""; - border-top: 0; - border-right: 0.3em solid transparent; - border-bottom: 0.3em solid; - border-left: 0.3em solid transparent; -} - -.dropup .dropdown-toggle:empty::after { - margin-left: 0; -} - -.dropright .dropdown-menu { - margin-top: 0; - margin-left: 0.125rem; -} - -.dropright .dropdown-toggle::after { - display: inline-block; - width: 0; - height: 0; - margin-left: 0.255em; - vertical-align: 0.255em; - content: ""; - border-top: 0.3em solid transparent; - border-bottom: 0.3em solid transparent; - border-left: 0.3em solid; -} - -.dropright .dropdown-toggle:empty::after { - margin-left: 0; -} - -.dropright .dropdown-toggle::after { - vertical-align: 0; -} - -.dropleft .dropdown-menu { - margin-top: 0; - margin-right: 0.125rem; -} - -.dropleft .dropdown-toggle::after { - display: inline-block; - width: 0; - height: 0; - margin-left: 0.255em; - vertical-align: 0.255em; - content: ""; -} - -.dropleft .dropdown-toggle::after { - display: none; -} - -.dropleft .dropdown-toggle::before { - display: inline-block; - width: 0; - height: 0; - margin-right: 0.255em; - vertical-align: 0.255em; - content: ""; - border-top: 0.3em solid transparent; - border-right: 0.3em solid; - border-bottom: 0.3em solid transparent; -} - -.dropleft .dropdown-toggle:empty::after { - margin-left: 0; -} - -.dropleft .dropdown-toggle::before { - vertical-align: 0; -} - -.dropdown-divider { - height: 0; - margin: 0.5rem 0; - overflow: hidden; - border-top: 1px solid #e9ecef; -} - -.dropdown-item { - display: block; - width: 100%; - padding: 0.25rem 1.5rem; - clear: both; - font-weight: 400; - color: #212529; - text-align: inherit; - white-space: nowrap; - background-color: transparent; - border: 0; -} - -.dropdown-item:hover, .dropdown-item:focus { - color: #16181b; - text-decoration: none; - background-color: #f8f9fa; -} - -.dropdown-item.active, .dropdown-item:active { - color: #fff; - text-decoration: none; - background-color: #007bff; -} - -.dropdown-item.disabled, .dropdown-item:disabled { - color: #6c757d; - background-color: transparent; -} - -.dropdown-menu.show { - display: block; -} - -.dropdown-header { - display: block; - padding: 0.5rem 1.5rem; - margin-bottom: 0; - font-size: 0.875rem; - color: #6c757d; - white-space: nowrap; -} - -.btn-group, -.btn-group-vertical { - position: relative; - display: -webkit-inline-box; - display: -ms-inline-flexbox; - display: inline-flex; - vertical-align: middle; -} - -.btn-group > .btn, -.btn-group-vertical > .btn { - position: relative; - -webkit-box-flex: 0; - -ms-flex: 0 1 auto; - flex: 0 1 auto; -} - -.btn-group > .btn:hover, -.btn-group-vertical > .btn:hover { - z-index: 1; -} - -.btn-group > .btn:focus, .btn-group > .btn:active, .btn-group > .btn.active, -.btn-group-vertical > .btn:focus, -.btn-group-vertical > .btn:active, -.btn-group-vertical > .btn.active { - z-index: 1; -} - -.btn-group .btn + .btn, -.btn-group .btn + .btn-group, -.btn-group .btn-group + .btn, -.btn-group .btn-group + .btn-group, -.btn-group-vertical .btn + .btn, -.btn-group-vertical .btn + .btn-group, -.btn-group-vertical .btn-group + .btn, -.btn-group-vertical .btn-group + .btn-group { - margin-left: -1px; -} - -.btn-toolbar { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - -webkit-box-pack: start; - -ms-flex-pack: start; - justify-content: flex-start; -} - -.btn-toolbar .input-group { - width: auto; -} - -.btn-group > .btn:first-child { - margin-left: 0; -} - -.btn-group > .btn:not(:last-child):not(.dropdown-toggle), -.btn-group > .btn-group:not(:last-child) > .btn { - border-top-right-radius: 0; - border-bottom-right-radius: 0; -} - -.btn-group > .btn:not(:first-child), -.btn-group > .btn-group:not(:first-child) > .btn { - border-top-left-radius: 0; - border-bottom-left-radius: 0; -} - -.dropdown-toggle-split { - padding-right: 0.5625rem; - padding-left: 0.5625rem; -} - -.dropdown-toggle-split::after { - margin-left: 0; -} - -.btn-sm + .dropdown-toggle-split, .btn-group-sm > .btn + .dropdown-toggle-split { - padding-right: 0.375rem; - padding-left: 0.375rem; -} - -.btn-lg + .dropdown-toggle-split, .btn-group-lg > .btn + .dropdown-toggle-split { - padding-right: 0.75rem; - padding-left: 0.75rem; -} - -.btn-group-vertical { - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - -webkit-box-align: start; - -ms-flex-align: start; - align-items: flex-start; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; -} - -.btn-group-vertical .btn, -.btn-group-vertical .btn-group { - width: 100%; -} - -.btn-group-vertical > .btn + .btn, -.btn-group-vertical > .btn + .btn-group, -.btn-group-vertical > .btn-group + .btn, -.btn-group-vertical > .btn-group + .btn-group { - margin-top: -1px; - margin-left: 0; -} - -.btn-group-vertical > .btn:not(:last-child):not(.dropdown-toggle), -.btn-group-vertical > .btn-group:not(:last-child) > .btn { - border-bottom-right-radius: 0; - border-bottom-left-radius: 0; -} - -.btn-group-vertical > .btn:not(:first-child), -.btn-group-vertical > .btn-group:not(:first-child) > .btn { - border-top-left-radius: 0; - border-top-right-radius: 0; -} - -.btn-group-toggle > .btn, -.btn-group-toggle > .btn-group > .btn { - margin-bottom: 0; -} - -.btn-group-toggle > .btn input[type="radio"], -.btn-group-toggle > .btn input[type="checkbox"], -.btn-group-toggle > .btn-group > .btn input[type="radio"], -.btn-group-toggle > .btn-group > .btn input[type="checkbox"] { - position: absolute; - clip: rect(0, 0, 0, 0); - pointer-events: none; -} - -.input-group { - position: relative; - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - -webkit-box-align: stretch; - -ms-flex-align: stretch; - align-items: stretch; - width: 100%; -} - -.input-group > .form-control, -.input-group > .custom-select, -.input-group > .custom-file { - position: relative; - -webkit-box-flex: 1; - -ms-flex: 1 1 auto; - flex: 1 1 auto; - width: 1%; - margin-bottom: 0; -} - -.input-group > .form-control:focus, -.input-group > .custom-select:focus, -.input-group > .custom-file:focus { - z-index: 3; -} - -.input-group > .form-control + .form-control, -.input-group > .form-control + .custom-select, -.input-group > .form-control + .custom-file, -.input-group > .custom-select + .form-control, -.input-group > .custom-select + .custom-select, -.input-group > .custom-select + .custom-file, -.input-group > .custom-file + .form-control, -.input-group > .custom-file + .custom-select, -.input-group > .custom-file + .custom-file { - margin-left: -1px; -} - -.input-group > .form-control:not(:last-child), -.input-group > .custom-select:not(:last-child) { - border-top-right-radius: 0; - border-bottom-right-radius: 0; -} - -.input-group > .form-control:not(:first-child), -.input-group > .custom-select:not(:first-child) { - border-top-left-radius: 0; - border-bottom-left-radius: 0; -} - -.input-group > .custom-file { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; -} - -.input-group > .custom-file:not(:last-child) .custom-file-label, -.input-group > .custom-file:not(:last-child) .custom-file-label::before { - border-top-right-radius: 0; - border-bottom-right-radius: 0; -} - -.input-group > .custom-file:not(:first-child) .custom-file-label, -.input-group > .custom-file:not(:first-child) .custom-file-label::before { - border-top-left-radius: 0; - border-bottom-left-radius: 0; -} - -.input-group-prepend, -.input-group-append { - display: -webkit-box; - display: -ms-flexbox; - display: flex; -} - -.input-group-prepend .btn, -.input-group-append .btn { - position: relative; - z-index: 2; -} - -.input-group-prepend .btn + .btn, -.input-group-prepend .btn + .input-group-text, -.input-group-prepend .input-group-text + .input-group-text, -.input-group-prepend .input-group-text + .btn, -.input-group-append .btn + .btn, -.input-group-append .btn + .input-group-text, -.input-group-append .input-group-text + .input-group-text, -.input-group-append .input-group-text + .btn { - margin-left: -1px; -} - -.input-group-prepend { - margin-right: -1px; -} - -.input-group-append { - margin-left: -1px; -} - -.input-group-text { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - padding: 0.375rem 0.75rem; - margin-bottom: 0; - font-size: 1rem; - font-weight: 400; - line-height: 1.5; - color: #495057; - text-align: center; - white-space: nowrap; - background-color: #e9ecef; - border: 1px solid #ced4da; - border-radius: 0.25rem; -} - -.input-group-text input[type="radio"], -.input-group-text input[type="checkbox"] { - margin-top: 0; -} - -.input-group > .input-group-prepend > .btn, -.input-group > .input-group-prepend > .input-group-text, -.input-group > .input-group-append:not(:last-child) > .btn, -.input-group > .input-group-append:not(:last-child) > .input-group-text, -.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle), -.input-group > .input-group-append:last-child > .input-group-text:not(:last-child) { - border-top-right-radius: 0; - border-bottom-right-radius: 0; -} - -.input-group > .input-group-append > .btn, -.input-group > .input-group-append > .input-group-text, -.input-group > .input-group-prepend:not(:first-child) > .btn, -.input-group > .input-group-prepend:not(:first-child) > .input-group-text, -.input-group > .input-group-prepend:first-child > .btn:not(:first-child), -.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) { - border-top-left-radius: 0; - border-bottom-left-radius: 0; -} - -.custom-control { - position: relative; - display: block; - min-height: 1.5rem; - padding-left: 1.5rem; -} - -.custom-control-inline { - display: -webkit-inline-box; - display: -ms-inline-flexbox; - display: inline-flex; - margin-right: 1rem; -} - -.custom-control-input { - position: absolute; - z-index: -1; - opacity: 0; -} - -.custom-control-input:checked ~ .custom-control-label::before { - color: #fff; - background-color: #007bff; -} - -.custom-control-input:focus ~ .custom-control-label::before { - box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25); -} - -.custom-control-input:active ~ .custom-control-label::before { - color: #fff; - background-color: #b3d7ff; -} - -.custom-control-input:disabled ~ .custom-control-label { - color: #6c757d; -} - -.custom-control-input:disabled ~ .custom-control-label::before { - background-color: #e9ecef; -} - -.custom-control-label { - margin-bottom: 0; -} - -.custom-control-label::before { - position: absolute; - top: 0.25rem; - left: 0; - display: block; - width: 1rem; - height: 1rem; - pointer-events: none; - content: ""; - -webkit-user-select: none; - -moz-user-select: none; - -ms-user-select: none; - user-select: none; - background-color: #dee2e6; -} - -.custom-control-label::after { - position: absolute; - top: 0.25rem; - left: 0; - display: block; - width: 1rem; - height: 1rem; - content: ""; - background-repeat: no-repeat; - background-position: center center; - background-size: 50% 50%; -} - -.custom-checkbox .custom-control-label::before { - border-radius: 0.25rem; -} - -.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before { - background-color: #007bff; -} - -.custom-checkbox .custom-control-input:checked ~ .custom-control-label::after { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"); -} - -.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::before { - background-color: #007bff; -} - -.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::after { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='%23fff' d='M0 2h4'/%3E%3C/svg%3E"); -} - -.custom-checkbox .custom-control-input:disabled:checked ~ .custom-control-label::before { - background-color: rgba(0, 123, 255, 0.5); -} - -.custom-checkbox .custom-control-input:disabled:indeterminate ~ .custom-control-label::before { - background-color: rgba(0, 123, 255, 0.5); -} - -.custom-radio .custom-control-label::before { - border-radius: 50%; -} - -.custom-radio .custom-control-input:checked ~ .custom-control-label::before { - background-color: #007bff; -} - -.custom-radio .custom-control-input:checked ~ .custom-control-label::after { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23fff'/%3E%3C/svg%3E"); -} - -.custom-radio .custom-control-input:disabled:checked ~ .custom-control-label::before { - background-color: rgba(0, 123, 255, 0.5); -} - -.custom-select { - display: inline-block; - width: 100%; - height: calc(2.25rem + 2px); - padding: 0.375rem 1.75rem 0.375rem 0.75rem; - line-height: 1.5; - color: #495057; - vertical-align: middle; - background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center; - background-size: 8px 10px; - border: 1px solid #ced4da; - border-radius: 0.25rem; - -webkit-appearance: none; - -moz-appearance: none; - appearance: none; -} - -.custom-select:focus { - border-color: #80bdff; - outline: 0; - box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075), 0 0 5px rgba(128, 189, 255, 0.5); -} - -.custom-select:focus::-ms-value { - color: #495057; - background-color: #fff; -} - -.custom-select[multiple], .custom-select[size]:not([size="1"]) { - height: auto; - padding-right: 0.75rem; - background-image: none; -} - -.custom-select:disabled { - color: #6c757d; - background-color: #e9ecef; -} - -.custom-select::-ms-expand { - opacity: 0; -} - -.custom-select-sm { - height: calc(1.8125rem + 2px); - padding-top: 0.375rem; - padding-bottom: 0.375rem; - font-size: 75%; -} - -.custom-select-lg { - height: calc(2.875rem + 2px); - padding-top: 0.375rem; - padding-bottom: 0.375rem; - font-size: 125%; -} - -.custom-file { - position: relative; - display: inline-block; - width: 100%; - height: calc(2.25rem + 2px); - margin-bottom: 0; -} - -.custom-file-input { - position: relative; - z-index: 2; - width: 100%; - height: calc(2.25rem + 2px); - margin: 0; - opacity: 0; -} - -.custom-file-input:focus ~ .custom-file-control { - border-color: #80bdff; - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); -} - -.custom-file-input:focus ~ .custom-file-control::before { - border-color: #80bdff; -} - -.custom-file-input:lang(en) ~ .custom-file-label::after { - content: "Browse"; -} - -.custom-file-label { - position: absolute; - top: 0; - right: 0; - left: 0; - z-index: 1; - height: calc(2.25rem + 2px); - padding: 0.375rem 0.75rem; - line-height: 1.5; - color: #495057; - background-color: #fff; - border: 1px solid #ced4da; - border-radius: 0.25rem; -} - -.custom-file-label::after { - position: absolute; - top: 0; - right: 0; - bottom: 0; - z-index: 3; - display: block; - height: calc(calc(2.25rem + 2px) - 1px * 2); - padding: 0.375rem 0.75rem; - line-height: 1.5; - color: #495057; - content: "Browse"; - background-color: #e9ecef; - border-left: 1px solid #ced4da; - border-radius: 0 0.25rem 0.25rem 0; -} - -.nav { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - padding-left: 0; - margin-bottom: 0; - list-style: none; -} - -.nav-link { - display: block; - padding: 0.5rem 1rem; -} - -.nav-link:hover, .nav-link:focus { - text-decoration: none; -} - -.nav-link.disabled { - color: #6c757d; -} - -.nav-tabs { - border-bottom: 1px solid #dee2e6; -} - -.nav-tabs .nav-item { - margin-bottom: -1px; -} - -.nav-tabs .nav-link { - border: 1px solid transparent; - border-top-left-radius: 0.25rem; - border-top-right-radius: 0.25rem; -} - -.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus { - border-color: #e9ecef #e9ecef #dee2e6; -} - -.nav-tabs .nav-link.disabled { - color: #6c757d; - background-color: transparent; - border-color: transparent; -} - -.nav-tabs .nav-link.active, -.nav-tabs .nav-item.show .nav-link { - color: #495057; - background-color: #fff; - border-color: #dee2e6 #dee2e6 #fff; -} - -.nav-tabs .dropdown-menu { - margin-top: -1px; - border-top-left-radius: 0; - border-top-right-radius: 0; -} - -.nav-pills .nav-link { - border-radius: 0.25rem; -} - -.nav-pills .nav-link.active, -.nav-pills .show > .nav-link { - color: #fff; - background-color: #007bff; -} - -.nav-fill .nav-item { - -webkit-box-flex: 1; - -ms-flex: 1 1 auto; - flex: 1 1 auto; - text-align: center; -} - -.nav-justified .nav-item { - -ms-flex-preferred-size: 0; - flex-basis: 0; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - text-align: center; -} - -.tab-content > .tab-pane { - display: none; -} - -.tab-content > .active { - display: block; -} - -.navbar { - position: relative; - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: justify; - -ms-flex-pack: justify; - justify-content: space-between; - padding: 0.5rem 1rem; -} - -.navbar > .container, -.navbar > .container-fluid { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: justify; - -ms-flex-pack: justify; - justify-content: space-between; -} - -.navbar-brand { - display: inline-block; - padding-top: 0.3125rem; - padding-bottom: 0.3125rem; - margin-right: 1rem; - font-size: 1.25rem; - line-height: inherit; - white-space: nowrap; -} - -.navbar-brand:hover, .navbar-brand:focus { - text-decoration: none; -} - -.navbar-nav { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - padding-left: 0; - margin-bottom: 0; - list-style: none; -} - -.navbar-nav .nav-link { - padding-right: 0; - padding-left: 0; -} - -.navbar-nav .dropdown-menu { - position: static; - float: none; -} - -.navbar-text { - display: inline-block; - padding-top: 0.5rem; - padding-bottom: 0.5rem; -} - -.navbar-collapse { - -ms-flex-preferred-size: 100%; - flex-basis: 100%; - -webkit-box-flex: 1; - -ms-flex-positive: 1; - flex-grow: 1; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; -} - -.navbar-toggler { - padding: 0.25rem 0.75rem; - font-size: 1.25rem; - line-height: 1; - background-color: transparent; - border: 1px solid transparent; - border-radius: 0.25rem; -} - -.navbar-toggler:hover, .navbar-toggler:focus { - text-decoration: none; -} - -.navbar-toggler:not(:disabled):not(.disabled) { - cursor: pointer; -} - -.navbar-toggler-icon { - display: inline-block; - width: 1.5em; - height: 1.5em; - vertical-align: middle; - content: ""; - background: no-repeat center center; - background-size: 100% 100%; -} - -@media (max-width: 575.98px) { - .navbar-expand-sm > .container, - .navbar-expand-sm > .container-fluid { - padding-right: 0; - padding-left: 0; - } -} - -@media (min-width: 576px) { - .navbar-expand-sm { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row nowrap; - flex-flow: row nowrap; - -webkit-box-pack: start; - -ms-flex-pack: start; - justify-content: flex-start; - } - .navbar-expand-sm .navbar-nav { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-direction: row; - flex-direction: row; - } - .navbar-expand-sm .navbar-nav .dropdown-menu { - position: absolute; - } - .navbar-expand-sm .navbar-nav .dropdown-menu-right { - right: 0; - left: auto; - } - .navbar-expand-sm .navbar-nav .nav-link { - padding-right: 0.5rem; - padding-left: 0.5rem; - } - .navbar-expand-sm > .container, - .navbar-expand-sm > .container-fluid { - -ms-flex-wrap: nowrap; - flex-wrap: nowrap; - } - .navbar-expand-sm .navbar-collapse { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - -ms-flex-preferred-size: auto; - flex-basis: auto; - } - .navbar-expand-sm .navbar-toggler { - display: none; - } - .navbar-expand-sm .dropup .dropdown-menu { - top: auto; - bottom: 100%; - } -} - -@media (max-width: 767.98px) { - .navbar-expand-md > .container, - .navbar-expand-md > .container-fluid { - padding-right: 0; - padding-left: 0; - } -} - -@media (min-width: 768px) { - .navbar-expand-md { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row nowrap; - flex-flow: row nowrap; - -webkit-box-pack: start; - -ms-flex-pack: start; - justify-content: flex-start; - } - .navbar-expand-md .navbar-nav { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-direction: row; - flex-direction: row; - } - .navbar-expand-md .navbar-nav .dropdown-menu { - position: absolute; - } - .navbar-expand-md .navbar-nav .dropdown-menu-right { - right: 0; - left: auto; - } - .navbar-expand-md .navbar-nav .nav-link { - padding-right: 0.5rem; - padding-left: 0.5rem; - } - .navbar-expand-md > .container, - .navbar-expand-md > .container-fluid { - -ms-flex-wrap: nowrap; - flex-wrap: nowrap; - } - .navbar-expand-md .navbar-collapse { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - -ms-flex-preferred-size: auto; - flex-basis: auto; - } - .navbar-expand-md .navbar-toggler { - display: none; - } - .navbar-expand-md .dropup .dropdown-menu { - top: auto; - bottom: 100%; - } -} - -@media (max-width: 991.98px) { - .navbar-expand-lg > .container, - .navbar-expand-lg > .container-fluid { - padding-right: 0; - padding-left: 0; - } -} - -@media (min-width: 992px) { - .navbar-expand-lg { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row nowrap; - flex-flow: row nowrap; - -webkit-box-pack: start; - -ms-flex-pack: start; - justify-content: flex-start; - } - .navbar-expand-lg .navbar-nav { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-direction: row; - flex-direction: row; - } - .navbar-expand-lg .navbar-nav .dropdown-menu { - position: absolute; - } - .navbar-expand-lg .navbar-nav .dropdown-menu-right { - right: 0; - left: auto; - } - .navbar-expand-lg .navbar-nav .nav-link { - padding-right: 0.5rem; - padding-left: 0.5rem; - } - .navbar-expand-lg > .container, - .navbar-expand-lg > .container-fluid { - -ms-flex-wrap: nowrap; - flex-wrap: nowrap; - } - .navbar-expand-lg .navbar-collapse { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - -ms-flex-preferred-size: auto; - flex-basis: auto; - } - .navbar-expand-lg .navbar-toggler { - display: none; - } - .navbar-expand-lg .dropup .dropdown-menu { - top: auto; - bottom: 100%; - } -} - -@media (max-width: 1199.98px) { - .navbar-expand-xl > .container, - .navbar-expand-xl > .container-fluid { - padding-right: 0; - padding-left: 0; - } -} - -@media (min-width: 1200px) { - .navbar-expand-xl { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row nowrap; - flex-flow: row nowrap; - -webkit-box-pack: start; - -ms-flex-pack: start; - justify-content: flex-start; - } - .navbar-expand-xl .navbar-nav { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-direction: row; - flex-direction: row; - } - .navbar-expand-xl .navbar-nav .dropdown-menu { - position: absolute; - } - .navbar-expand-xl .navbar-nav .dropdown-menu-right { - right: 0; - left: auto; - } - .navbar-expand-xl .navbar-nav .nav-link { - padding-right: 0.5rem; - padding-left: 0.5rem; - } - .navbar-expand-xl > .container, - .navbar-expand-xl > .container-fluid { - -ms-flex-wrap: nowrap; - flex-wrap: nowrap; - } - .navbar-expand-xl .navbar-collapse { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - -ms-flex-preferred-size: auto; - flex-basis: auto; - } - .navbar-expand-xl .navbar-toggler { - display: none; - } - .navbar-expand-xl .dropup .dropdown-menu { - top: auto; - bottom: 100%; - } -} - -.navbar-expand { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row nowrap; - flex-flow: row nowrap; - -webkit-box-pack: start; - -ms-flex-pack: start; - justify-content: flex-start; -} - -.navbar-expand > .container, -.navbar-expand > .container-fluid { - padding-right: 0; - padding-left: 0; -} - -.navbar-expand .navbar-nav { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-direction: row; - flex-direction: row; -} - -.navbar-expand .navbar-nav .dropdown-menu { - position: absolute; -} - -.navbar-expand .navbar-nav .dropdown-menu-right { - right: 0; - left: auto; -} - -.navbar-expand .navbar-nav .nav-link { - padding-right: 0.5rem; - padding-left: 0.5rem; -} - -.navbar-expand > .container, -.navbar-expand > .container-fluid { - -ms-flex-wrap: nowrap; - flex-wrap: nowrap; -} - -.navbar-expand .navbar-collapse { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - -ms-flex-preferred-size: auto; - flex-basis: auto; -} - -.navbar-expand .navbar-toggler { - display: none; -} - -.navbar-expand .dropup .dropdown-menu { - top: auto; - bottom: 100%; -} - -.navbar-light .navbar-brand { - color: rgba(0, 0, 0, 0.9); -} - -.navbar-light .navbar-brand:hover, .navbar-light .navbar-brand:focus { - color: rgba(0, 0, 0, 0.9); -} - -.navbar-light .navbar-nav .nav-link { - color: rgba(0, 0, 0, 0.5); -} - -.navbar-light .navbar-nav .nav-link:hover, .navbar-light .navbar-nav .nav-link:focus { - color: rgba(0, 0, 0, 0.7); -} - -.navbar-light .navbar-nav .nav-link.disabled { - color: rgba(0, 0, 0, 0.3); -} - -.navbar-light .navbar-nav .show > .nav-link, -.navbar-light .navbar-nav .active > .nav-link, -.navbar-light .navbar-nav .nav-link.show, -.navbar-light .navbar-nav .nav-link.active { - color: rgba(0, 0, 0, 0.9); -} - -.navbar-light .navbar-toggler { - color: rgba(0, 0, 0, 0.5); - border-color: rgba(0, 0, 0, 0.1); -} - -.navbar-light .navbar-toggler-icon { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0, 0, 0, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"); -} - -.navbar-light .navbar-text { - color: rgba(0, 0, 0, 0.5); -} - -.navbar-light .navbar-text a { - color: rgba(0, 0, 0, 0.9); -} - -.navbar-light .navbar-text a:hover, .navbar-light .navbar-text a:focus { - color: rgba(0, 0, 0, 0.9); -} - -.navbar-dark .navbar-brand { - color: #fff; -} - -.navbar-dark .navbar-brand:hover, .navbar-dark .navbar-brand:focus { - color: #fff; -} - -.navbar-dark .navbar-nav .nav-link { - color: rgba(255, 255, 255, 0.5); -} - -.navbar-dark .navbar-nav .nav-link:hover, .navbar-dark .navbar-nav .nav-link:focus { - color: rgba(255, 255, 255, 0.75); -} - -.navbar-dark .navbar-nav .nav-link.disabled { - color: rgba(255, 255, 255, 0.25); -} - -.navbar-dark .navbar-nav .show > .nav-link, -.navbar-dark .navbar-nav .active > .nav-link, -.navbar-dark .navbar-nav .nav-link.show, -.navbar-dark .navbar-nav .nav-link.active { - color: #fff; -} - -.navbar-dark .navbar-toggler { - color: rgba(255, 255, 255, 0.5); - border-color: rgba(255, 255, 255, 0.1); -} - -.navbar-dark .navbar-toggler-icon { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"); -} - -.navbar-dark .navbar-text { - color: rgba(255, 255, 255, 0.5); -} - -.navbar-dark .navbar-text a { - color: #fff; -} - -.navbar-dark .navbar-text a:hover, .navbar-dark .navbar-text a:focus { - color: #fff; -} - -.card { - position: relative; - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - min-width: 0; - word-wrap: break-word; - background-color: #fff; - background-clip: border-box; - border: 1px solid rgba(0, 0, 0, 0.125); - border-radius: 0.25rem; -} - -.card > hr { - margin-right: 0; - margin-left: 0; -} - -.card > .list-group:first-child .list-group-item:first-child { - border-top-left-radius: 0.25rem; - border-top-right-radius: 0.25rem; -} - -.card > .list-group:last-child .list-group-item:last-child { - border-bottom-right-radius: 0.25rem; - border-bottom-left-radius: 0.25rem; -} - -.card-body { - -webkit-box-flex: 1; - -ms-flex: 1 1 auto; - flex: 1 1 auto; - padding: 1.25rem; -} - -.card-title { - margin-bottom: 0.75rem; -} - -.card-subtitle { - margin-top: -0.375rem; - margin-bottom: 0; -} - -.card-text:last-child { - margin-bottom: 0; -} - -.card-link:hover { - text-decoration: none; -} - -.card-link + .card-link { - margin-left: 1.25rem; -} - -.card-header { - padding: 0.75rem 1.25rem; - margin-bottom: 0; - background-color: rgba(0, 0, 0, 0.03); - border-bottom: 1px solid rgba(0, 0, 0, 0.125); -} - -.card-header:first-child { - border-radius: calc(0.25rem - 1px) calc(0.25rem - 1px) 0 0; -} - -.card-header + .list-group .list-group-item:first-child { - border-top: 0; -} - -.card-footer { - padding: 0.75rem 1.25rem; - background-color: rgba(0, 0, 0, 0.03); - border-top: 1px solid rgba(0, 0, 0, 0.125); -} - -.card-footer:last-child { - border-radius: 0 0 calc(0.25rem - 1px) calc(0.25rem - 1px); -} - -.card-header-tabs { - margin-right: -0.625rem; - margin-bottom: -0.75rem; - margin-left: -0.625rem; - border-bottom: 0; -} - -.card-header-pills { - margin-right: -0.625rem; - margin-left: -0.625rem; -} - -.card-img-overlay { - position: absolute; - top: 0; - right: 0; - bottom: 0; - left: 0; - padding: 1.25rem; -} - -.card-img { - width: 100%; - border-radius: calc(0.25rem - 1px); -} - -.card-img-top { - width: 100%; - border-top-left-radius: calc(0.25rem - 1px); - border-top-right-radius: calc(0.25rem - 1px); -} - -.card-img-bottom { - width: 100%; - border-bottom-right-radius: calc(0.25rem - 1px); - border-bottom-left-radius: calc(0.25rem - 1px); -} - -.card-deck { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; -} - -.card-deck .card { - margin-bottom: 15px; -} - -@media (min-width: 576px) { - .card-deck { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row wrap; - flex-flow: row wrap; - margin-right: -15px; - margin-left: -15px; - } - .card-deck .card { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-flex: 1; - -ms-flex: 1 0 0%; - flex: 1 0 0%; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - margin-right: 15px; - margin-bottom: 0; - margin-left: 15px; - } -} - -.card-group { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; -} - -.card-group > .card { - margin-bottom: 15px; -} - -@media (min-width: 576px) { - .card-group { - -webkit-box-orient: horizontal; - -webkit-box-direction: normal; - -ms-flex-flow: row wrap; - flex-flow: row wrap; - } - .card-group > .card { - -webkit-box-flex: 1; - -ms-flex: 1 0 0%; - flex: 1 0 0%; - margin-bottom: 0; - } - .card-group > .card + .card { - margin-left: 0; - border-left: 0; - } - .card-group > .card:first-child { - border-top-right-radius: 0; - border-bottom-right-radius: 0; - } - .card-group > .card:first-child .card-img-top, - .card-group > .card:first-child .card-header { - border-top-right-radius: 0; - } - .card-group > .card:first-child .card-img-bottom, - .card-group > .card:first-child .card-footer { - border-bottom-right-radius: 0; - } - .card-group > .card:last-child { - border-top-left-radius: 0; - border-bottom-left-radius: 0; - } - .card-group > .card:last-child .card-img-top, - .card-group > .card:last-child .card-header { - border-top-left-radius: 0; - } - .card-group > .card:last-child .card-img-bottom, - .card-group > .card:last-child .card-footer { - border-bottom-left-radius: 0; - } - .card-group > .card:only-child { - border-radius: 0.25rem; - } - .card-group > .card:only-child .card-img-top, - .card-group > .card:only-child .card-header { - border-top-left-radius: 0.25rem; - border-top-right-radius: 0.25rem; - } - .card-group > .card:only-child .card-img-bottom, - .card-group > .card:only-child .card-footer { - border-bottom-right-radius: 0.25rem; - border-bottom-left-radius: 0.25rem; - } - .card-group > .card:not(:first-child):not(:last-child):not(:only-child) { - border-radius: 0; - } - .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-img-top, - .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-img-bottom, - .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-header, - .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-footer { - border-radius: 0; - } -} - -.card-columns .card { - margin-bottom: 0.75rem; -} - -@media (min-width: 576px) { - .card-columns { - -webkit-column-count: 3; - -moz-column-count: 3; - column-count: 3; - -webkit-column-gap: 1.25rem; - -moz-column-gap: 1.25rem; - column-gap: 1.25rem; - } - .card-columns .card { - display: inline-block; - width: 100%; - } -} - -.breadcrumb { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -ms-flex-wrap: wrap; - flex-wrap: wrap; - padding: 0.75rem 1rem; - margin-bottom: 1rem; - list-style: none; - background-color: #e9ecef; - border-radius: 0.25rem; -} - -.breadcrumb-item + .breadcrumb-item::before { - display: inline-block; - padding-right: 0.5rem; - padding-left: 0.5rem; - color: #6c757d; - content: "/"; -} - -.breadcrumb-item + .breadcrumb-item:hover::before { - text-decoration: underline; -} - -.breadcrumb-item + .breadcrumb-item:hover::before { - text-decoration: none; -} - -.breadcrumb-item.active { - color: #6c757d; -} - -.pagination { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - padding-left: 0; - list-style: none; - border-radius: 0.25rem; -} - -.page-link { - position: relative; - display: block; - padding: 0.5rem 0.75rem; - margin-left: -1px; - line-height: 1.25; - color: #007bff; - background-color: #fff; - border: 1px solid #dee2e6; -} - -.page-link:hover { - color: #0056b3; - text-decoration: none; - background-color: #e9ecef; - border-color: #dee2e6; -} - -.page-link:focus { - z-index: 2; - outline: 0; - box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); -} - -.page-link:not(:disabled):not(.disabled) { - cursor: pointer; -} - -.page-item:first-child .page-link { - margin-left: 0; - border-top-left-radius: 0.25rem; - border-bottom-left-radius: 0.25rem; -} - -.page-item:last-child .page-link { - border-top-right-radius: 0.25rem; - border-bottom-right-radius: 0.25rem; -} - -.page-item.active .page-link { - z-index: 1; - color: #fff; - background-color: #007bff; - border-color: #007bff; -} - -.page-item.disabled .page-link { - color: #6c757d; - pointer-events: none; - cursor: auto; - background-color: #fff; - border-color: #dee2e6; -} - -.pagination-lg .page-link { - padding: 0.75rem 1.5rem; - font-size: 1.25rem; - line-height: 1.5; -} - -.pagination-lg .page-item:first-child .page-link { - border-top-left-radius: 0.3rem; - border-bottom-left-radius: 0.3rem; -} - -.pagination-lg .page-item:last-child .page-link { - border-top-right-radius: 0.3rem; - border-bottom-right-radius: 0.3rem; -} - -.pagination-sm .page-link { - padding: 0.25rem 0.5rem; - font-size: 0.875rem; - line-height: 1.5; -} - -.pagination-sm .page-item:first-child .page-link { - border-top-left-radius: 0.2rem; - border-bottom-left-radius: 0.2rem; -} - -.pagination-sm .page-item:last-child .page-link { - border-top-right-radius: 0.2rem; - border-bottom-right-radius: 0.2rem; -} - -.badge { - display: inline-block; - padding: 0.25em 0.4em; - font-size: 75%; - font-weight: 700; - line-height: 1; - text-align: center; - white-space: nowrap; - vertical-align: baseline; - border-radius: 0.25rem; -} - -.badge:empty { - display: none; -} - -.btn .badge { - position: relative; - top: -1px; -} - -.badge-pill { - padding-right: 0.6em; - padding-left: 0.6em; - border-radius: 10rem; -} - -.badge-primary { - color: #fff; - background-color: #007bff; -} - -.badge-primary[href]:hover, .badge-primary[href]:focus { - color: #fff; - text-decoration: none; - background-color: #0062cc; -} - -.badge-secondary { - color: #fff; - background-color: #6c757d; -} - -.badge-secondary[href]:hover, .badge-secondary[href]:focus { - color: #fff; - text-decoration: none; - background-color: #545b62; -} - -.badge-success { - color: #fff; - background-color: #28a745; -} - -.badge-success[href]:hover, .badge-success[href]:focus { - color: #fff; - text-decoration: none; - background-color: #1e7e34; -} - -.badge-info { - color: #fff; - background-color: #17a2b8; -} - -.badge-info[href]:hover, .badge-info[href]:focus { - color: #fff; - text-decoration: none; - background-color: #117a8b; -} - -.badge-warning { - color: #212529; - background-color: #ffc107; -} - -.badge-warning[href]:hover, .badge-warning[href]:focus { - color: #212529; - text-decoration: none; - background-color: #d39e00; -} - -.badge-danger { - color: #fff; - background-color: #dc3545; -} - -.badge-danger[href]:hover, .badge-danger[href]:focus { - color: #fff; - text-decoration: none; - background-color: #bd2130; -} - -.badge-light { - color: #212529; - background-color: #f8f9fa; -} - -.badge-light[href]:hover, .badge-light[href]:focus { - color: #212529; - text-decoration: none; - background-color: #dae0e5; -} - -.badge-dark { - color: #fff; - background-color: #343a40; -} - -.badge-dark[href]:hover, .badge-dark[href]:focus { - color: #fff; - text-decoration: none; - background-color: #1d2124; -} - -.jumbotron { - padding: 2rem 1rem; - margin-bottom: 2rem; - background-color: #e9ecef; - border-radius: 0.3rem; -} - -@media (min-width: 576px) { - .jumbotron { - padding: 4rem 2rem; - } -} - -.jumbotron-fluid { - padding-right: 0; - padding-left: 0; - border-radius: 0; -} - -.alert { - position: relative; - padding: 0.75rem 1.25rem; - margin-bottom: 1rem; - border: 1px solid transparent; - border-radius: 0.25rem; -} - -.alert-heading { - color: inherit; -} - -.alert-link { - font-weight: 700; -} - -.alert-dismissible { - padding-right: 4rem; -} - -.alert-dismissible .close { - position: absolute; - top: 0; - right: 0; - padding: 0.75rem 1.25rem; - color: inherit; -} - -.alert-primary { - color: #004085; - background-color: #cce5ff; - border-color: #b8daff; -} - -.alert-primary hr { - border-top-color: #9fcdff; -} - -.alert-primary .alert-link { - color: #002752; -} - -.alert-secondary { - color: #383d41; - background-color: #e2e3e5; - border-color: #d6d8db; -} - -.alert-secondary hr { - border-top-color: #c8cbcf; -} - -.alert-secondary .alert-link { - color: #202326; -} - -.alert-success { - color: #155724; - background-color: #d4edda; - border-color: #c3e6cb; -} - -.alert-success hr { - border-top-color: #b1dfbb; -} - -.alert-success .alert-link { - color: #0b2e13; -} - -.alert-info { - color: #0c5460; - background-color: #d1ecf1; - border-color: #bee5eb; -} - -.alert-info hr { - border-top-color: #abdde5; -} - -.alert-info .alert-link { - color: #062c33; -} - -.alert-warning { - color: #856404; - background-color: #fff3cd; - border-color: #ffeeba; -} - -.alert-warning hr { - border-top-color: #ffe8a1; -} - -.alert-warning .alert-link { - color: #533f03; -} - -.alert-danger { - color: #721c24; - background-color: #f8d7da; - border-color: #f5c6cb; -} - -.alert-danger hr { - border-top-color: #f1b0b7; -} - -.alert-danger .alert-link { - color: #491217; -} - -.alert-light { - color: #818182; - background-color: #fefefe; - border-color: #fdfdfe; -} - -.alert-light hr { - border-top-color: #ececf6; -} - -.alert-light .alert-link { - color: #686868; -} - -.alert-dark { - color: #1b1e21; - background-color: #d6d8d9; - border-color: #c6c8ca; -} - -.alert-dark hr { - border-top-color: #b9bbbe; -} - -.alert-dark .alert-link { - color: #040505; -} - -@-webkit-keyframes progress-bar-stripes { - from { - background-position: 1rem 0; - } - to { - background-position: 0 0; - } -} - -@keyframes progress-bar-stripes { - from { - background-position: 1rem 0; - } - to { - background-position: 0 0; - } -} - -.progress { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - height: 1rem; - overflow: hidden; - font-size: 0.75rem; - background-color: #e9ecef; - border-radius: 0.25rem; -} - -.progress-bar { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; - color: #fff; - text-align: center; - background-color: #007bff; - transition: width 0.6s ease; -} - -.progress-bar-striped { - background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent); - background-size: 1rem 1rem; -} - -.progress-bar-animated { - -webkit-animation: progress-bar-stripes 1s linear infinite; - animation: progress-bar-stripes 1s linear infinite; -} - -.media { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: start; - -ms-flex-align: start; - align-items: flex-start; -} - -.media-body { - -webkit-box-flex: 1; - -ms-flex: 1; - flex: 1; -} - -.list-group { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - padding-left: 0; - margin-bottom: 0; -} - -.list-group-item-action { - width: 100%; - color: #495057; - text-align: inherit; -} - -.list-group-item-action:hover, .list-group-item-action:focus { - color: #495057; - text-decoration: none; - background-color: #f8f9fa; -} - -.list-group-item-action:active { - color: #212529; - background-color: #e9ecef; -} - -.list-group-item { - position: relative; - display: block; - padding: 0.75rem 1.25rem; - margin-bottom: -1px; - background-color: #fff; - border: 1px solid rgba(0, 0, 0, 0.125); -} - -.list-group-item:first-child { - border-top-left-radius: 0.25rem; - border-top-right-radius: 0.25rem; -} - -.list-group-item:last-child { - margin-bottom: 0; - border-bottom-right-radius: 0.25rem; - border-bottom-left-radius: 0.25rem; -} - -.list-group-item:hover, .list-group-item:focus { - z-index: 1; - text-decoration: none; -} - -.list-group-item.disabled, .list-group-item:disabled { - color: #6c757d; - background-color: #fff; -} - -.list-group-item.active { - z-index: 2; - color: #fff; - background-color: #007bff; - border-color: #007bff; -} - -.list-group-flush .list-group-item { - border-right: 0; - border-left: 0; - border-radius: 0; -} - -.list-group-flush:first-child .list-group-item:first-child { - border-top: 0; -} - -.list-group-flush:last-child .list-group-item:last-child { - border-bottom: 0; -} - -.list-group-item-primary { - color: #004085; - background-color: #b8daff; -} - -.list-group-item-primary.list-group-item-action:hover, .list-group-item-primary.list-group-item-action:focus { - color: #004085; - background-color: #9fcdff; -} - -.list-group-item-primary.list-group-item-action.active { - color: #fff; - background-color: #004085; - border-color: #004085; -} - -.list-group-item-secondary { - color: #383d41; - background-color: #d6d8db; -} - -.list-group-item-secondary.list-group-item-action:hover, .list-group-item-secondary.list-group-item-action:focus { - color: #383d41; - background-color: #c8cbcf; -} - -.list-group-item-secondary.list-group-item-action.active { - color: #fff; - background-color: #383d41; - border-color: #383d41; -} - -.list-group-item-success { - color: #155724; - background-color: #c3e6cb; -} - -.list-group-item-success.list-group-item-action:hover, .list-group-item-success.list-group-item-action:focus { - color: #155724; - background-color: #b1dfbb; -} - -.list-group-item-success.list-group-item-action.active { - color: #fff; - background-color: #155724; - border-color: #155724; -} - -.list-group-item-info { - color: #0c5460; - background-color: #bee5eb; -} - -.list-group-item-info.list-group-item-action:hover, .list-group-item-info.list-group-item-action:focus { - color: #0c5460; - background-color: #abdde5; -} - -.list-group-item-info.list-group-item-action.active { - color: #fff; - background-color: #0c5460; - border-color: #0c5460; -} - -.list-group-item-warning { - color: #856404; - background-color: #ffeeba; -} - -.list-group-item-warning.list-group-item-action:hover, .list-group-item-warning.list-group-item-action:focus { - color: #856404; - background-color: #ffe8a1; -} - -.list-group-item-warning.list-group-item-action.active { - color: #fff; - background-color: #856404; - border-color: #856404; -} - -.list-group-item-danger { - color: #721c24; - background-color: #f5c6cb; -} - -.list-group-item-danger.list-group-item-action:hover, .list-group-item-danger.list-group-item-action:focus { - color: #721c24; - background-color: #f1b0b7; -} - -.list-group-item-danger.list-group-item-action.active { - color: #fff; - background-color: #721c24; - border-color: #721c24; -} - -.list-group-item-light { - color: #818182; - background-color: #fdfdfe; -} - -.list-group-item-light.list-group-item-action:hover, .list-group-item-light.list-group-item-action:focus { - color: #818182; - background-color: #ececf6; -} - -.list-group-item-light.list-group-item-action.active { - color: #fff; - background-color: #818182; - border-color: #818182; -} - -.list-group-item-dark { - color: #1b1e21; - background-color: #c6c8ca; -} - -.list-group-item-dark.list-group-item-action:hover, .list-group-item-dark.list-group-item-action:focus { - color: #1b1e21; - background-color: #b9bbbe; -} - -.list-group-item-dark.list-group-item-action.active { - color: #fff; - background-color: #1b1e21; - border-color: #1b1e21; -} - -.close { - float: right; - font-size: 1.5rem; - font-weight: 700; - line-height: 1; - color: #000; - text-shadow: 0 1px 0 #fff; - opacity: .5; -} - -.close:hover, .close:focus { - color: #000; - text-decoration: none; - opacity: .75; -} - -.close:not(:disabled):not(.disabled) { - cursor: pointer; -} - -button.close { - padding: 0; - background-color: transparent; - border: 0; - -webkit-appearance: none; -} - -.modal-open { - overflow: hidden; -} - -.modal { - position: fixed; - top: 0; - right: 0; - bottom: 0; - left: 0; - z-index: 1050; - display: none; - overflow: hidden; - outline: 0; -} - -.modal-open .modal { - overflow-x: hidden; - overflow-y: auto; -} - -.modal-dialog { - position: relative; - width: auto; - margin: 0.5rem; - pointer-events: none; -} - -.modal.fade .modal-dialog { - transition: -webkit-transform 0.3s ease-out; - transition: transform 0.3s ease-out; - transition: transform 0.3s ease-out, -webkit-transform 0.3s ease-out; - -webkit-transform: translate(0, -25%); - transform: translate(0, -25%); -} - -.modal.show .modal-dialog { - -webkit-transform: translate(0, 0); - transform: translate(0, 0); -} - -.modal-dialog-centered { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - min-height: calc(100% - (0.5rem * 2)); -} - -.modal-content { - position: relative; - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-orient: vertical; - -webkit-box-direction: normal; - -ms-flex-direction: column; - flex-direction: column; - width: 100%; - pointer-events: auto; - background-color: #fff; - background-clip: padding-box; - border: 1px solid rgba(0, 0, 0, 0.2); - border-radius: 0.3rem; - outline: 0; -} - -.modal-backdrop { - position: fixed; - top: 0; - right: 0; - bottom: 0; - left: 0; - z-index: 1040; - background-color: #000; -} - -.modal-backdrop.fade { - opacity: 0; -} - -.modal-backdrop.show { - opacity: 0.5; -} - -.modal-header { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: start; - -ms-flex-align: start; - align-items: flex-start; - -webkit-box-pack: justify; - -ms-flex-pack: justify; - justify-content: space-between; - padding: 1rem; - border-bottom: 1px solid #e9ecef; - border-top-left-radius: 0.3rem; - border-top-right-radius: 0.3rem; -} - -.modal-header .close { - padding: 1rem; - margin: -1rem -1rem -1rem auto; -} - -.modal-title { - margin-bottom: 0; - line-height: 1.5; -} - -.modal-body { - position: relative; - -webkit-box-flex: 1; - -ms-flex: 1 1 auto; - flex: 1 1 auto; - padding: 1rem; -} - -.modal-footer { - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: end; - -ms-flex-pack: end; - justify-content: flex-end; - padding: 1rem; - border-top: 1px solid #e9ecef; -} - -.modal-footer > :not(:first-child) { - margin-left: .25rem; -} - -.modal-footer > :not(:last-child) { - margin-right: .25rem; -} - -.modal-scrollbar-measure { - position: absolute; - top: -9999px; - width: 50px; - height: 50px; - overflow: scroll; -} - -@media (min-width: 576px) { - .modal-dialog { - max-width: 500px; - margin: 1.75rem auto; - } - .modal-dialog-centered { - min-height: calc(100% - (1.75rem * 2)); - } - .modal-sm { - max-width: 300px; - } -} - -@media (min-width: 992px) { - .modal-lg { - max-width: 800px; - } -} - -.tooltip { - position: absolute; - z-index: 1070; - display: block; - margin: 0; - font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; - font-style: normal; - font-weight: 400; - line-height: 1.5; - text-align: left; - text-align: start; - text-decoration: none; - text-shadow: none; - text-transform: none; - letter-spacing: normal; - word-break: normal; - word-spacing: normal; - white-space: normal; - line-break: auto; - font-size: 0.875rem; - word-wrap: break-word; - opacity: 0; -} - -.tooltip.show { - opacity: 0.9; -} - -.tooltip .arrow { - position: absolute; - display: block; - width: 0.8rem; - height: 0.4rem; -} - -.tooltip .arrow::before { - position: absolute; - content: ""; - border-color: transparent; - border-style: solid; -} - -.bs-tooltip-top, .bs-tooltip-auto[x-placement^="top"] { - padding: 0.4rem 0; -} - -.bs-tooltip-top .arrow, .bs-tooltip-auto[x-placement^="top"] .arrow { - bottom: 0; -} - -.bs-tooltip-top .arrow::before, .bs-tooltip-auto[x-placement^="top"] .arrow::before { - top: 0; - border-width: 0.4rem 0.4rem 0; - border-top-color: #000; -} - -.bs-tooltip-right, .bs-tooltip-auto[x-placement^="right"] { - padding: 0 0.4rem; -} - -.bs-tooltip-right .arrow, .bs-tooltip-auto[x-placement^="right"] .arrow { - left: 0; - width: 0.4rem; - height: 0.8rem; -} - -.bs-tooltip-right .arrow::before, .bs-tooltip-auto[x-placement^="right"] .arrow::before { - right: 0; - border-width: 0.4rem 0.4rem 0.4rem 0; - border-right-color: #000; -} - -.bs-tooltip-bottom, .bs-tooltip-auto[x-placement^="bottom"] { - padding: 0.4rem 0; -} - -.bs-tooltip-bottom .arrow, .bs-tooltip-auto[x-placement^="bottom"] .arrow { - top: 0; -} - -.bs-tooltip-bottom .arrow::before, .bs-tooltip-auto[x-placement^="bottom"] .arrow::before { - bottom: 0; - border-width: 0 0.4rem 0.4rem; - border-bottom-color: #000; -} - -.bs-tooltip-left, .bs-tooltip-auto[x-placement^="left"] { - padding: 0 0.4rem; -} - -.bs-tooltip-left .arrow, .bs-tooltip-auto[x-placement^="left"] .arrow { - right: 0; - width: 0.4rem; - height: 0.8rem; -} - -.bs-tooltip-left .arrow::before, .bs-tooltip-auto[x-placement^="left"] .arrow::before { - left: 0; - border-width: 0.4rem 0 0.4rem 0.4rem; - border-left-color: #000; -} - -.tooltip-inner { - max-width: 200px; - padding: 0.25rem 0.5rem; - color: #fff; - text-align: center; - background-color: #000; - border-radius: 0.25rem; -} - -.popover { - position: absolute; - top: 0; - left: 0; - z-index: 1060; - display: block; - max-width: 276px; - font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; - font-style: normal; - font-weight: 400; - line-height: 1.5; - text-align: left; - text-align: start; - text-decoration: none; - text-shadow: none; - text-transform: none; - letter-spacing: normal; - word-break: normal; - word-spacing: normal; - white-space: normal; - line-break: auto; - font-size: 0.875rem; - word-wrap: break-word; - background-color: #fff; - background-clip: padding-box; - border: 1px solid rgba(0, 0, 0, 0.2); - border-radius: 0.3rem; -} - -.popover .arrow { - position: absolute; - display: block; - width: 1rem; - height: 0.5rem; - margin: 0 0.3rem; -} - -.popover .arrow::before, .popover .arrow::after { - position: absolute; - display: block; - content: ""; - border-color: transparent; - border-style: solid; -} - -.bs-popover-top, .bs-popover-auto[x-placement^="top"] { - margin-bottom: 0.5rem; -} - -.bs-popover-top .arrow, .bs-popover-auto[x-placement^="top"] .arrow { - bottom: calc((0.5rem + 1px) * -1); -} - -.bs-popover-top .arrow::before, .bs-popover-auto[x-placement^="top"] .arrow::before, -.bs-popover-top .arrow::after, .bs-popover-auto[x-placement^="top"] .arrow::after { - border-width: 0.5rem 0.5rem 0; -} - -.bs-popover-top .arrow::before, .bs-popover-auto[x-placement^="top"] .arrow::before { - bottom: 0; - border-top-color: rgba(0, 0, 0, 0.25); -} - -.bs-popover-top .arrow::after, .bs-popover-auto[x-placement^="top"] .arrow::after { - bottom: 1px; - border-top-color: #fff; -} - -.bs-popover-right, .bs-popover-auto[x-placement^="right"] { - margin-left: 0.5rem; -} - -.bs-popover-right .arrow, .bs-popover-auto[x-placement^="right"] .arrow { - left: calc((0.5rem + 1px) * -1); - width: 0.5rem; - height: 1rem; - margin: 0.3rem 0; -} - -.bs-popover-right .arrow::before, .bs-popover-auto[x-placement^="right"] .arrow::before, -.bs-popover-right .arrow::after, .bs-popover-auto[x-placement^="right"] .arrow::after { - border-width: 0.5rem 0.5rem 0.5rem 0; -} - -.bs-popover-right .arrow::before, .bs-popover-auto[x-placement^="right"] .arrow::before { - left: 0; - border-right-color: rgba(0, 0, 0, 0.25); -} - -.bs-popover-right .arrow::after, .bs-popover-auto[x-placement^="right"] .arrow::after { - left: 1px; - border-right-color: #fff; -} - -.bs-popover-bottom, .bs-popover-auto[x-placement^="bottom"] { - margin-top: 0.5rem; -} - -.bs-popover-bottom .arrow, .bs-popover-auto[x-placement^="bottom"] .arrow { - top: calc((0.5rem + 1px) * -1); -} - -.bs-popover-bottom .arrow::before, .bs-popover-auto[x-placement^="bottom"] .arrow::before, -.bs-popover-bottom .arrow::after, .bs-popover-auto[x-placement^="bottom"] .arrow::after { - border-width: 0 0.5rem 0.5rem 0.5rem; -} - -.bs-popover-bottom .arrow::before, .bs-popover-auto[x-placement^="bottom"] .arrow::before { - top: 0; - border-bottom-color: rgba(0, 0, 0, 0.25); -} - -.bs-popover-bottom .arrow::after, .bs-popover-auto[x-placement^="bottom"] .arrow::after { - top: 1px; - border-bottom-color: #fff; -} - -.bs-popover-bottom .popover-header::before, .bs-popover-auto[x-placement^="bottom"] .popover-header::before { - position: absolute; - top: 0; - left: 50%; - display: block; - width: 1rem; - margin-left: -0.5rem; - content: ""; - border-bottom: 1px solid #f7f7f7; -} - -.bs-popover-left, .bs-popover-auto[x-placement^="left"] { - margin-right: 0.5rem; -} - -.bs-popover-left .arrow, .bs-popover-auto[x-placement^="left"] .arrow { - right: calc((0.5rem + 1px) * -1); - width: 0.5rem; - height: 1rem; - margin: 0.3rem 0; -} - -.bs-popover-left .arrow::before, .bs-popover-auto[x-placement^="left"] .arrow::before, -.bs-popover-left .arrow::after, .bs-popover-auto[x-placement^="left"] .arrow::after { - border-width: 0.5rem 0 0.5rem 0.5rem; -} - -.bs-popover-left .arrow::before, .bs-popover-auto[x-placement^="left"] .arrow::before { - right: 0; - border-left-color: rgba(0, 0, 0, 0.25); -} - -.bs-popover-left .arrow::after, .bs-popover-auto[x-placement^="left"] .arrow::after { - right: 1px; - border-left-color: #fff; -} - -.popover-header { - padding: 0.5rem 0.75rem; - margin-bottom: 0; - font-size: 1rem; - color: inherit; - background-color: #f7f7f7; - border-bottom: 1px solid #ebebeb; - border-top-left-radius: calc(0.3rem - 1px); - border-top-right-radius: calc(0.3rem - 1px); -} - -.popover-header:empty { - display: none; -} - -.popover-body { - padding: 0.5rem 0.75rem; - color: #212529; -} - -.carousel { - position: relative; -} - -.carousel-inner { - position: relative; - width: 100%; - overflow: hidden; -} - -.carousel-item { - position: relative; - display: none; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - width: 100%; - transition: -webkit-transform 0.6s ease; - transition: transform 0.6s ease; - transition: transform 0.6s ease, -webkit-transform 0.6s ease; - -webkit-backface-visibility: hidden; - backface-visibility: hidden; - -webkit-perspective: 1000px; - perspective: 1000px; -} - -.carousel-item.active, -.carousel-item-next, -.carousel-item-prev { - display: block; -} - -.carousel-item-next, -.carousel-item-prev { - position: absolute; - top: 0; -} - -.carousel-item-next.carousel-item-left, -.carousel-item-prev.carousel-item-right { - -webkit-transform: translateX(0); - transform: translateX(0); -} - -@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) { - .carousel-item-next.carousel-item-left, - .carousel-item-prev.carousel-item-right { - -webkit-transform: translate3d(0, 0, 0); - transform: translate3d(0, 0, 0); - } -} - -.carousel-item-next, -.active.carousel-item-right { - -webkit-transform: translateX(100%); - transform: translateX(100%); -} - -@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) { - .carousel-item-next, - .active.carousel-item-right { - -webkit-transform: translate3d(100%, 0, 0); - transform: translate3d(100%, 0, 0); - } -} - -.carousel-item-prev, -.active.carousel-item-left { - -webkit-transform: translateX(-100%); - transform: translateX(-100%); -} - -@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) { - .carousel-item-prev, - .active.carousel-item-left { - -webkit-transform: translate3d(-100%, 0, 0); - transform: translate3d(-100%, 0, 0); - } -} - -.carousel-control-prev, -.carousel-control-next { - position: absolute; - top: 0; - bottom: 0; - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-align: center; - -ms-flex-align: center; - align-items: center; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; - width: 15%; - color: #fff; - text-align: center; - opacity: 0.5; -} - -.carousel-control-prev:hover, .carousel-control-prev:focus, -.carousel-control-next:hover, -.carousel-control-next:focus { - color: #fff; - text-decoration: none; - outline: 0; - opacity: .9; -} - -.carousel-control-prev { - left: 0; -} - -.carousel-control-next { - right: 0; -} - -.carousel-control-prev-icon, -.carousel-control-next-icon { - display: inline-block; - width: 20px; - height: 20px; - background: transparent no-repeat center center; - background-size: 100% 100%; -} - -.carousel-control-prev-icon { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"); -} - -.carousel-control-next-icon { - background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"); -} - -.carousel-indicators { - position: absolute; - right: 0; - bottom: 10px; - left: 0; - z-index: 15; - display: -webkit-box; - display: -ms-flexbox; - display: flex; - -webkit-box-pack: center; - -ms-flex-pack: center; - justify-content: center; - padding-left: 0; - margin-right: 15%; - margin-left: 15%; - list-style: none; -} - -.carousel-indicators li { - position: relative; - -webkit-box-flex: 0; - -ms-flex: 0 1 auto; - flex: 0 1 auto; - width: 30px; - height: 3px; - margin-right: 3px; - margin-left: 3px; - text-indent: -999px; - background-color: rgba(255, 255, 255, 0.5); -} - -.carousel-indicators li::before { - position: absolute; - top: -10px; - left: 0; - display: inline-block; - width: 100%; - height: 10px; - content: ""; -} - -.carousel-indicators li::after { - position: absolute; - bottom: -10px; - left: 0; - display: inline-block; - width: 100%; - height: 10px; - content: ""; -} - -.carousel-indicators .active { - background-color: #fff; -} - -.carousel-caption { - position: absolute; - right: 15%; - bottom: 20px; - left: 15%; - z-index: 10; - padding-top: 20px; - padding-bottom: 20px; - color: #fff; - text-align: center; -} - -.align-baseline { - vertical-align: baseline !important; -} - -.align-top { - vertical-align: top !important; -} - -.align-middle { - vertical-align: middle !important; -} - -.align-bottom { - vertical-align: bottom !important; -} - -.align-text-bottom { - vertical-align: text-bottom !important; -} - -.align-text-top { - vertical-align: text-top !important; -} - -.bg-primary { - background-color: #007bff !important; -} - -a.bg-primary:hover, a.bg-primary:focus, -button.bg-primary:hover, -button.bg-primary:focus { - background-color: #0062cc !important; -} - -.bg-secondary { - background-color: #6c757d !important; -} - -a.bg-secondary:hover, a.bg-secondary:focus, -button.bg-secondary:hover, -button.bg-secondary:focus { - background-color: #545b62 !important; -} - -.bg-success { - background-color: #28a745 !important; -} - -a.bg-success:hover, a.bg-success:focus, -button.bg-success:hover, -button.bg-success:focus { - background-color: #1e7e34 !important; -} - -.bg-info { - background-color: #17a2b8 !important; -} - -a.bg-info:hover, a.bg-info:focus, -button.bg-info:hover, -button.bg-info:focus { - background-color: #117a8b !important; -} - -.bg-warning { - background-color: #ffc107 !important; -} - -a.bg-warning:hover, a.bg-warning:focus, -button.bg-warning:hover, -button.bg-warning:focus { - background-color: #d39e00 !important; -} - -.bg-danger { - background-color: #dc3545 !important; -} - -a.bg-danger:hover, a.bg-danger:focus, -button.bg-danger:hover, -button.bg-danger:focus { - background-color: #bd2130 !important; -} - -.bg-light { - background-color: #f8f9fa !important; -} - -a.bg-light:hover, a.bg-light:focus, -button.bg-light:hover, -button.bg-light:focus { - background-color: #dae0e5 !important; -} - -.bg-dark { - background-color: #343a40 !important; -} - -a.bg-dark:hover, a.bg-dark:focus, -button.bg-dark:hover, -button.bg-dark:focus { - background-color: #1d2124 !important; -} - -.bg-white { - background-color: #fff !important; -} - -.bg-transparent { - background-color: transparent !important; -} - -.border { - border: 1px solid #dee2e6 !important; -} - -.border-top { - border-top: 1px solid #dee2e6 !important; -} - -.border-right { - border-right: 1px solid #dee2e6 !important; -} - -.border-bottom { - border-bottom: 1px solid #dee2e6 !important; -} - -.border-left { - border-left: 1px solid #dee2e6 !important; -} - -.border-0 { - border: 0 !important; -} - -.border-top-0 { - border-top: 0 !important; -} - -.border-right-0 { - border-right: 0 !important; -} - -.border-bottom-0 { - border-bottom: 0 !important; -} - -.border-left-0 { - border-left: 0 !important; -} - -.border-primary { - border-color: #007bff !important; -} - -.border-secondary { - border-color: #6c757d !important; -} - -.border-success { - border-color: #28a745 !important; -} - -.border-info { - border-color: #17a2b8 !important; -} - -.border-warning { - border-color: #ffc107 !important; -} - -.border-danger { - border-color: #dc3545 !important; -} - -.border-light { - border-color: #f8f9fa !important; -} - -.border-dark { - border-color: #343a40 !important; -} - -.border-white { - border-color: #fff !important; -} - -.rounded { - border-radius: 0.25rem !important; -} - -.rounded-top { - border-top-left-radius: 0.25rem !important; - border-top-right-radius: 0.25rem !important; -} - -.rounded-right { - border-top-right-radius: 0.25rem !important; - border-bottom-right-radius: 0.25rem !important; -} - -.rounded-bottom { - border-bottom-right-radius: 0.25rem !important; - border-bottom-left-radius: 0.25rem !important; -} - -.rounded-left { - border-top-left-radius: 0.25rem !important; - border-bottom-left-radius: 0.25rem !important; -} - -.rounded-circle { - border-radius: 50% !important; -} - -.rounded-0 { - border-radius: 0 !important; -} - -.clearfix::after { - display: block; - clear: both; - content: ""; -} - -.d-none { - display: none !important; -} - -.d-inline { - display: inline !important; -} - -.d-inline-block { - display: inline-block !important; -} - -.d-block { - display: block !important; -} - -.d-table { - display: table !important; -} - -.d-table-row { - display: table-row !important; -} - -.d-table-cell { - display: table-cell !important; -} - -.d-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; -} - -.d-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; -} - -@media (min-width: 576px) { - .d-sm-none { - display: none !important; - } - .d-sm-inline { - display: inline !important; - } - .d-sm-inline-block { - display: inline-block !important; - } - .d-sm-block { - display: block !important; - } - .d-sm-table { - display: table !important; - } - .d-sm-table-row { - display: table-row !important; - } - .d-sm-table-cell { - display: table-cell !important; - } - .d-sm-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-sm-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media (min-width: 768px) { - .d-md-none { - display: none !important; - } - .d-md-inline { - display: inline !important; - } - .d-md-inline-block { - display: inline-block !important; - } - .d-md-block { - display: block !important; - } - .d-md-table { - display: table !important; - } - .d-md-table-row { - display: table-row !important; - } - .d-md-table-cell { - display: table-cell !important; - } - .d-md-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-md-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media (min-width: 992px) { - .d-lg-none { - display: none !important; - } - .d-lg-inline { - display: inline !important; - } - .d-lg-inline-block { - display: inline-block !important; - } - .d-lg-block { - display: block !important; - } - .d-lg-table { - display: table !important; - } - .d-lg-table-row { - display: table-row !important; - } - .d-lg-table-cell { - display: table-cell !important; - } - .d-lg-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-lg-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media (min-width: 1200px) { - .d-xl-none { - display: none !important; - } - .d-xl-inline { - display: inline !important; - } - .d-xl-inline-block { - display: inline-block !important; - } - .d-xl-block { - display: block !important; - } - .d-xl-table { - display: table !important; - } - .d-xl-table-row { - display: table-row !important; - } - .d-xl-table-cell { - display: table-cell !important; - } - .d-xl-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-xl-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -@media print { - .d-print-none { - display: none !important; - } - .d-print-inline { - display: inline !important; - } - .d-print-inline-block { - display: inline-block !important; - } - .d-print-block { - display: block !important; - } - .d-print-table { - display: table !important; - } - .d-print-table-row { - display: table-row !important; - } - .d-print-table-cell { - display: table-cell !important; - } - .d-print-flex { - display: -webkit-box !important; - display: -ms-flexbox !important; - display: flex !important; - } - .d-print-inline-flex { - display: -webkit-inline-box !important; - display: -ms-inline-flexbox !important; - display: inline-flex !important; - } -} - -.embed-responsive { - position: relative; - display: block; - width: 100%; - padding: 0; - overflow: hidden; -} - -.embed-responsive::before { - display: block; - content: ""; -} - -.embed-responsive .embed-responsive-item, -.embed-responsive iframe, -.embed-responsive embed, -.embed-responsive object, -.embed-responsive video { - position: absolute; - top: 0; - bottom: 0; - left: 0; - width: 100%; - height: 100%; - border: 0; -} - -.embed-responsive-21by9::before { - padding-top: 42.857143%; -} - -.embed-responsive-16by9::before { - padding-top: 56.25%; -} - -.embed-responsive-4by3::before { - padding-top: 75%; -} - -.embed-responsive-1by1::before { - padding-top: 100%; -} - -.flex-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; -} - -.flex-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; -} - -.flex-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; -} - -.flex-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; -} - -.flex-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; -} - -.flex-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; -} - -.flex-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; -} - -.justify-content-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; -} - -.justify-content-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; -} - -.justify-content-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; -} - -.justify-content-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; -} - -.justify-content-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; -} - -.align-items-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; -} - -.align-items-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; -} - -.align-items-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; -} - -.align-items-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; -} - -.align-items-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; -} - -.align-content-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; -} - -.align-content-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; -} - -.align-content-center { - -ms-flex-line-pack: center !important; - align-content: center !important; -} - -.align-content-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; -} - -.align-content-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; -} - -.align-content-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; -} - -.align-self-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; -} - -.align-self-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; -} - -.align-self-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; -} - -.align-self-center { - -ms-flex-item-align: center !important; - align-self: center !important; -} - -.align-self-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; -} - -.align-self-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; -} - -@media (min-width: 576px) { - .flex-sm-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-sm-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-sm-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-sm-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-sm-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-sm-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - .flex-sm-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; - } - .justify-content-sm-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; - } - .justify-content-sm-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; - } - .justify-content-sm-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; - } - .justify-content-sm-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; - } - .justify-content-sm-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; - } - .align-items-sm-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; - } - .align-items-sm-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; - } - .align-items-sm-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; - } - .align-items-sm-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; - } - .align-items-sm-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; - } - .align-content-sm-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; - } - .align-content-sm-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; - } - .align-content-sm-center { - -ms-flex-line-pack: center !important; - align-content: center !important; - } - .align-content-sm-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; - } - .align-content-sm-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; - } - .align-content-sm-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; - } - .align-self-sm-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; - } - .align-self-sm-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; - } - .align-self-sm-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; - } - .align-self-sm-center { - -ms-flex-item-align: center !important; - align-self: center !important; - } - .align-self-sm-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; - } - .align-self-sm-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; - } -} - -@media (min-width: 768px) { - .flex-md-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-md-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-md-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-md-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-md-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-md-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - .flex-md-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; - } - .justify-content-md-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; - } - .justify-content-md-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; - } - .justify-content-md-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; - } - .justify-content-md-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; - } - .justify-content-md-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; - } - .align-items-md-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; - } - .align-items-md-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; - } - .align-items-md-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; - } - .align-items-md-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; - } - .align-items-md-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; - } - .align-content-md-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; - } - .align-content-md-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; - } - .align-content-md-center { - -ms-flex-line-pack: center !important; - align-content: center !important; - } - .align-content-md-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; - } - .align-content-md-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; - } - .align-content-md-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; - } - .align-self-md-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; - } - .align-self-md-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; - } - .align-self-md-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; - } - .align-self-md-center { - -ms-flex-item-align: center !important; - align-self: center !important; - } - .align-self-md-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; - } - .align-self-md-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; - } -} - -@media (min-width: 992px) { - .flex-lg-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-lg-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-lg-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-lg-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-lg-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-lg-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - .flex-lg-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; - } - .justify-content-lg-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; - } - .justify-content-lg-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; - } - .justify-content-lg-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; - } - .justify-content-lg-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; - } - .justify-content-lg-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; - } - .align-items-lg-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; - } - .align-items-lg-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; - } - .align-items-lg-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; - } - .align-items-lg-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; - } - .align-items-lg-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; - } - .align-content-lg-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; - } - .align-content-lg-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; - } - .align-content-lg-center { - -ms-flex-line-pack: center !important; - align-content: center !important; - } - .align-content-lg-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; - } - .align-content-lg-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; - } - .align-content-lg-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; - } - .align-self-lg-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; - } - .align-self-lg-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; - } - .align-self-lg-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; - } - .align-self-lg-center { - -ms-flex-item-align: center !important; - align-self: center !important; - } - .align-self-lg-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; - } - .align-self-lg-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; - } -} - -@media (min-width: 1200px) { - .flex-xl-row { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: row !important; - flex-direction: row !important; - } - .flex-xl-column { - -webkit-box-orient: vertical !important; - -webkit-box-direction: normal !important; - -ms-flex-direction: column !important; - flex-direction: column !important; - } - .flex-xl-row-reverse { - -webkit-box-orient: horizontal !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: row-reverse !important; - flex-direction: row-reverse !important; - } - .flex-xl-column-reverse { - -webkit-box-orient: vertical !important; - -webkit-box-direction: reverse !important; - -ms-flex-direction: column-reverse !important; - flex-direction: column-reverse !important; - } - .flex-xl-wrap { - -ms-flex-wrap: wrap !important; - flex-wrap: wrap !important; - } - .flex-xl-nowrap { - -ms-flex-wrap: nowrap !important; - flex-wrap: nowrap !important; - } - .flex-xl-wrap-reverse { - -ms-flex-wrap: wrap-reverse !important; - flex-wrap: wrap-reverse !important; - } - .justify-content-xl-start { - -webkit-box-pack: start !important; - -ms-flex-pack: start !important; - justify-content: flex-start !important; - } - .justify-content-xl-end { - -webkit-box-pack: end !important; - -ms-flex-pack: end !important; - justify-content: flex-end !important; - } - .justify-content-xl-center { - -webkit-box-pack: center !important; - -ms-flex-pack: center !important; - justify-content: center !important; - } - .justify-content-xl-between { - -webkit-box-pack: justify !important; - -ms-flex-pack: justify !important; - justify-content: space-between !important; - } - .justify-content-xl-around { - -ms-flex-pack: distribute !important; - justify-content: space-around !important; - } - .align-items-xl-start { - -webkit-box-align: start !important; - -ms-flex-align: start !important; - align-items: flex-start !important; - } - .align-items-xl-end { - -webkit-box-align: end !important; - -ms-flex-align: end !important; - align-items: flex-end !important; - } - .align-items-xl-center { - -webkit-box-align: center !important; - -ms-flex-align: center !important; - align-items: center !important; - } - .align-items-xl-baseline { - -webkit-box-align: baseline !important; - -ms-flex-align: baseline !important; - align-items: baseline !important; - } - .align-items-xl-stretch { - -webkit-box-align: stretch !important; - -ms-flex-align: stretch !important; - align-items: stretch !important; - } - .align-content-xl-start { - -ms-flex-line-pack: start !important; - align-content: flex-start !important; - } - .align-content-xl-end { - -ms-flex-line-pack: end !important; - align-content: flex-end !important; - } - .align-content-xl-center { - -ms-flex-line-pack: center !important; - align-content: center !important; - } - .align-content-xl-between { - -ms-flex-line-pack: justify !important; - align-content: space-between !important; - } - .align-content-xl-around { - -ms-flex-line-pack: distribute !important; - align-content: space-around !important; - } - .align-content-xl-stretch { - -ms-flex-line-pack: stretch !important; - align-content: stretch !important; - } - .align-self-xl-auto { - -ms-flex-item-align: auto !important; - align-self: auto !important; - } - .align-self-xl-start { - -ms-flex-item-align: start !important; - align-self: flex-start !important; - } - .align-self-xl-end { - -ms-flex-item-align: end !important; - align-self: flex-end !important; - } - .align-self-xl-center { - -ms-flex-item-align: center !important; - align-self: center !important; - } - .align-self-xl-baseline { - -ms-flex-item-align: baseline !important; - align-self: baseline !important; - } - .align-self-xl-stretch { - -ms-flex-item-align: stretch !important; - align-self: stretch !important; - } -} - -.float-left { - float: left !important; -} - -.float-right { - float: right !important; -} - -.float-none { - float: none !important; -} - -@media (min-width: 576px) { - .float-sm-left { - float: left !important; - } - .float-sm-right { - float: right !important; - } - .float-sm-none { - float: none !important; - } -} - -@media (min-width: 768px) { - .float-md-left { - float: left !important; - } - .float-md-right { - float: right !important; - } - .float-md-none { - float: none !important; - } -} - -@media (min-width: 992px) { - .float-lg-left { - float: left !important; - } - .float-lg-right { - float: right !important; - } - .float-lg-none { - float: none !important; - } -} - -@media (min-width: 1200px) { - .float-xl-left { - float: left !important; - } - .float-xl-right { - float: right !important; - } - .float-xl-none { - float: none !important; - } -} - -.position-static { - position: static !important; -} - -.position-relative { - position: relative !important; -} - -.position-absolute { - position: absolute !important; -} - -.position-fixed { - position: fixed !important; -} - -.position-sticky { - position: -webkit-sticky !important; - position: sticky !important; -} - -.fixed-top { - position: fixed; - top: 0; - right: 0; - left: 0; - z-index: 1030; -} - -.fixed-bottom { - position: fixed; - right: 0; - bottom: 0; - left: 0; - z-index: 1030; -} - -@supports ((position: -webkit-sticky) or (position: sticky)) { - .sticky-top { - position: -webkit-sticky; - position: sticky; - top: 0; - z-index: 1020; - } -} - -.sr-only { - position: absolute; - width: 1px; - height: 1px; - padding: 0; - overflow: hidden; - clip: rect(0, 0, 0, 0); - white-space: nowrap; - -webkit-clip-path: inset(50%); - clip-path: inset(50%); - border: 0; -} - -.sr-only-focusable:active, .sr-only-focusable:focus { - position: static; - width: auto; - height: auto; - overflow: visible; - clip: auto; - white-space: normal; - -webkit-clip-path: none; - clip-path: none; -} - -.w-25 { - width: 25% !important; -} - -.w-50 { - width: 50% !important; -} - -.w-75 { - width: 75% !important; -} - -.w-100 { - width: 100% !important; -} - -.h-25 { - height: 25% !important; -} - -.h-50 { - height: 50% !important; -} - -.h-75 { - height: 75% !important; -} - -.h-100 { - height: 100% !important; -} - -.mw-100 { - max-width: 100% !important; -} - -.mh-100 { - max-height: 100% !important; -} - -.m-0 { - margin: 0 !important; -} - -.mt-0, -.my-0 { - margin-top: 0 !important; -} - -.mr-0, -.mx-0 { - margin-right: 0 !important; -} - -.mb-0, -.my-0 { - margin-bottom: 0 !important; -} - -.ml-0, -.mx-0 { - margin-left: 0 !important; -} - -.m-1 { - margin: 0.25rem !important; -} - -.mt-1, -.my-1 { - margin-top: 0.25rem !important; -} - -.mr-1, -.mx-1 { - margin-right: 0.25rem !important; -} - -.mb-1, -.my-1 { - margin-bottom: 0.25rem !important; -} - -.ml-1, -.mx-1 { - margin-left: 0.25rem !important; -} - -.m-2 { - margin: 0.5rem !important; -} - -.mt-2, -.my-2 { - margin-top: 0.5rem !important; -} - -.mr-2, -.mx-2 { - margin-right: 0.5rem !important; -} - -.mb-2, -.my-2 { - margin-bottom: 0.5rem !important; -} - -.ml-2, -.mx-2 { - margin-left: 0.5rem !important; -} - -.m-3 { - margin: 1rem !important; -} - -.mt-3, -.my-3 { - margin-top: 1rem !important; -} - -.mr-3, -.mx-3 { - margin-right: 1rem !important; -} - -.mb-3, -.my-3 { - margin-bottom: 1rem !important; -} - -.ml-3, -.mx-3 { - margin-left: 1rem !important; -} - -.m-4 { - margin: 1.5rem !important; -} - -.mt-4, -.my-4 { - margin-top: 1.5rem !important; -} - -.mr-4, -.mx-4 { - margin-right: 1.5rem !important; -} - -.mb-4, -.my-4 { - margin-bottom: 1.5rem !important; -} - -.ml-4, -.mx-4 { - margin-left: 1.5rem !important; -} - -.m-5 { - margin: 3rem !important; -} - -.mt-5, -.my-5 { - margin-top: 3rem !important; -} - -.mr-5, -.mx-5 { - margin-right: 3rem !important; -} - -.mb-5, -.my-5 { - margin-bottom: 3rem !important; -} - -.ml-5, -.mx-5 { - margin-left: 3rem !important; -} - -.p-0 { - padding: 0 !important; -} - -.pt-0, -.py-0 { - padding-top: 0 !important; -} - -.pr-0, -.px-0 { - padding-right: 0 !important; -} - -.pb-0, -.py-0 { - padding-bottom: 0 !important; -} - -.pl-0, -.px-0 { - padding-left: 0 !important; -} - -.p-1 { - padding: 0.25rem !important; -} - -.pt-1, -.py-1 { - padding-top: 0.25rem !important; -} - -.pr-1, -.px-1 { - padding-right: 0.25rem !important; -} - -.pb-1, -.py-1 { - padding-bottom: 0.25rem !important; -} - -.pl-1, -.px-1 { - padding-left: 0.25rem !important; -} - -.p-2 { - padding: 0.5rem !important; -} - -.pt-2, -.py-2 { - padding-top: 0.5rem !important; -} - -.pr-2, -.px-2 { - padding-right: 0.5rem !important; -} - -.pb-2, -.py-2 { - padding-bottom: 0.5rem !important; -} - -.pl-2, -.px-2 { - padding-left: 0.5rem !important; -} - -.p-3 { - padding: 1rem !important; -} - -.pt-3, -.py-3 { - padding-top: 1rem !important; -} - -.pr-3, -.px-3 { - padding-right: 1rem !important; -} - -.pb-3, -.py-3 { - padding-bottom: 1rem !important; -} - -.pl-3, -.px-3 { - padding-left: 1rem !important; -} - -.p-4 { - padding: 1.5rem !important; -} - -.pt-4, -.py-4 { - padding-top: 1.5rem !important; -} - -.pr-4, -.px-4 { - padding-right: 1.5rem !important; -} - -.pb-4, -.py-4 { - padding-bottom: 1.5rem !important; -} - -.pl-4, -.px-4 { - padding-left: 1.5rem !important; -} - -.p-5 { - padding: 3rem !important; -} - -.pt-5, -.py-5 { - padding-top: 3rem !important; -} - -.pr-5, -.px-5 { - padding-right: 3rem !important; -} - -.pb-5, -.py-5 { - padding-bottom: 3rem !important; -} - -.pl-5, -.px-5 { - padding-left: 3rem !important; -} - -.m-auto { - margin: auto !important; -} - -.mt-auto, -.my-auto { - margin-top: auto !important; -} - -.mr-auto, -.mx-auto { - margin-right: auto !important; -} - -.mb-auto, -.my-auto { - margin-bottom: auto !important; -} - -.ml-auto, -.mx-auto { - margin-left: auto !important; -} - -@media (min-width: 576px) { - .m-sm-0 { - margin: 0 !important; - } - .mt-sm-0, - .my-sm-0 { - margin-top: 0 !important; - } - .mr-sm-0, - .mx-sm-0 { - margin-right: 0 !important; - } - .mb-sm-0, - .my-sm-0 { - margin-bottom: 0 !important; - } - .ml-sm-0, - .mx-sm-0 { - margin-left: 0 !important; - } - .m-sm-1 { - margin: 0.25rem !important; - } - .mt-sm-1, - .my-sm-1 { - margin-top: 0.25rem !important; - } - .mr-sm-1, - .mx-sm-1 { - margin-right: 0.25rem !important; - } - .mb-sm-1, - .my-sm-1 { - margin-bottom: 0.25rem !important; - } - .ml-sm-1, - .mx-sm-1 { - margin-left: 0.25rem !important; - } - .m-sm-2 { - margin: 0.5rem !important; - } - .mt-sm-2, - .my-sm-2 { - margin-top: 0.5rem !important; - } - .mr-sm-2, - .mx-sm-2 { - margin-right: 0.5rem !important; - } - .mb-sm-2, - .my-sm-2 { - margin-bottom: 0.5rem !important; - } - .ml-sm-2, - .mx-sm-2 { - margin-left: 0.5rem !important; - } - .m-sm-3 { - margin: 1rem !important; - } - .mt-sm-3, - .my-sm-3 { - margin-top: 1rem !important; - } - .mr-sm-3, - .mx-sm-3 { - margin-right: 1rem !important; - } - .mb-sm-3, - .my-sm-3 { - margin-bottom: 1rem !important; - } - .ml-sm-3, - .mx-sm-3 { - margin-left: 1rem !important; - } - .m-sm-4 { - margin: 1.5rem !important; - } - .mt-sm-4, - .my-sm-4 { - margin-top: 1.5rem !important; - } - .mr-sm-4, - .mx-sm-4 { - margin-right: 1.5rem !important; - } - .mb-sm-4, - .my-sm-4 { - margin-bottom: 1.5rem !important; - } - .ml-sm-4, - .mx-sm-4 { - margin-left: 1.5rem !important; - } - .m-sm-5 { - margin: 3rem !important; - } - .mt-sm-5, - .my-sm-5 { - margin-top: 3rem !important; - } - .mr-sm-5, - .mx-sm-5 { - margin-right: 3rem !important; - } - .mb-sm-5, - .my-sm-5 { - margin-bottom: 3rem !important; - } - .ml-sm-5, - .mx-sm-5 { - margin-left: 3rem !important; - } - .p-sm-0 { - padding: 0 !important; - } - .pt-sm-0, - .py-sm-0 { - padding-top: 0 !important; - } - .pr-sm-0, - .px-sm-0 { - padding-right: 0 !important; - } - .pb-sm-0, - .py-sm-0 { - padding-bottom: 0 !important; - } - .pl-sm-0, - .px-sm-0 { - padding-left: 0 !important; - } - .p-sm-1 { - padding: 0.25rem !important; - } - .pt-sm-1, - .py-sm-1 { - padding-top: 0.25rem !important; - } - .pr-sm-1, - .px-sm-1 { - padding-right: 0.25rem !important; - } - .pb-sm-1, - .py-sm-1 { - padding-bottom: 0.25rem !important; - } - .pl-sm-1, - .px-sm-1 { - padding-left: 0.25rem !important; - } - .p-sm-2 { - padding: 0.5rem !important; - } - .pt-sm-2, - .py-sm-2 { - padding-top: 0.5rem !important; - } - .pr-sm-2, - .px-sm-2 { - padding-right: 0.5rem !important; - } - .pb-sm-2, - .py-sm-2 { - padding-bottom: 0.5rem !important; - } - .pl-sm-2, - .px-sm-2 { - padding-left: 0.5rem !important; - } - .p-sm-3 { - padding: 1rem !important; - } - .pt-sm-3, - .py-sm-3 { - padding-top: 1rem !important; - } - .pr-sm-3, - .px-sm-3 { - padding-right: 1rem !important; - } - .pb-sm-3, - .py-sm-3 { - padding-bottom: 1rem !important; - } - .pl-sm-3, - .px-sm-3 { - padding-left: 1rem !important; - } - .p-sm-4 { - padding: 1.5rem !important; - } - .pt-sm-4, - .py-sm-4 { - padding-top: 1.5rem !important; - } - .pr-sm-4, - .px-sm-4 { - padding-right: 1.5rem !important; - } - .pb-sm-4, - .py-sm-4 { - padding-bottom: 1.5rem !important; - } - .pl-sm-4, - .px-sm-4 { - padding-left: 1.5rem !important; - } - .p-sm-5 { - padding: 3rem !important; - } - .pt-sm-5, - .py-sm-5 { - padding-top: 3rem !important; - } - .pr-sm-5, - .px-sm-5 { - padding-right: 3rem !important; - } - .pb-sm-5, - .py-sm-5 { - padding-bottom: 3rem !important; - } - .pl-sm-5, - .px-sm-5 { - padding-left: 3rem !important; - } - .m-sm-auto { - margin: auto !important; - } - .mt-sm-auto, - .my-sm-auto { - margin-top: auto !important; - } - .mr-sm-auto, - .mx-sm-auto { - margin-right: auto !important; - } - .mb-sm-auto, - .my-sm-auto { - margin-bottom: auto !important; - } - .ml-sm-auto, - .mx-sm-auto { - margin-left: auto !important; - } -} - -@media (min-width: 768px) { - .m-md-0 { - margin: 0 !important; - } - .mt-md-0, - .my-md-0 { - margin-top: 0 !important; - } - .mr-md-0, - .mx-md-0 { - margin-right: 0 !important; - } - .mb-md-0, - .my-md-0 { - margin-bottom: 0 !important; - } - .ml-md-0, - .mx-md-0 { - margin-left: 0 !important; - } - .m-md-1 { - margin: 0.25rem !important; - } - .mt-md-1, - .my-md-1 { - margin-top: 0.25rem !important; - } - .mr-md-1, - .mx-md-1 { - margin-right: 0.25rem !important; - } - .mb-md-1, - .my-md-1 { - margin-bottom: 0.25rem !important; - } - .ml-md-1, - .mx-md-1 { - margin-left: 0.25rem 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0px; - -} - - -input[type="button"] { - background-color: #600; - color: #fff; - font-weight: bold; - border: 3px solid #000; - font-size: 140%; - border-radius: 8px; - margin: 8px auto; -} \ No newline at end of file diff --git a/chall/src/form.php b/chall/src/form.php deleted file mode 100644 index b3cc3da..0000000 --- a/chall/src/form.php +++ /dev/null @@ -1,24 +0,0 @@ -
    -
    -

    LOLPython

    -

    You finally landed on the mainframe and are soooo close to hack the world! But what is this? A LOLPython interpreter in production? - Googling quickly reveals: Thats one of many esolangs with hacker and l33t speak. Sounds cool, right?

    -

    Though, to solve this challenge, you have to take it to the next level: Not only code a program in this weird language, but escape the interpreter and execute the final payload. Go exploit it!

    -
    -
    -
    -
    -
    -

    Type your LOLPython code here. We'll execute your file and you'll get the result

    - - - -
    -

    Output:

    - -
    -
    - -
    -

    \ No newline at end of file diff --git a/chall/src/index.php b/chall/src/index.php deleted file mode 100644 index c0ead91..0000000 --- a/chall/src/index.php +++ /dev/null @@ -1,58 +0,0 @@ - - - - - - - - - - - - - LOLPython Transpiler Service - - - - - - - - - - - -
    -

    © LOLPython Transpiler Service 2024

    -
    - - - - - - - - - - \ No newline at end of file diff --git a/chall/src/js/bootstrap.bundle.js b/chall/src/js/bootstrap.bundle.js deleted file mode 100644 index 45b357d..0000000 --- a/chall/src/js/bootstrap.bundle.js +++ /dev/null @@ -1,6328 +0,0 @@ -/*! - * Bootstrap v4.0.0 (https://getbootstrap.com) - * Copyright 2011-2018 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors) - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - */ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('jquery')) : - typeof define === 'function' && define.amd ? define(['exports', 'jquery'], factory) : - (factory((global.bootstrap = {}),global.jQuery)); -}(this, (function (exports,$) { 'use strict'; - -$ = $ && $.hasOwnProperty('default') ? $['default'] : $; - -function _defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); - } -} - -function _createClass(Constructor, protoProps, staticProps) { - if (protoProps) _defineProperties(Constructor.prototype, protoProps); - if (staticProps) _defineProperties(Constructor, staticProps); - return Constructor; -} - -function _extends() { - _extends = Object.assign || function (target) { - for (var i = 1; i < arguments.length; i++) { - var source = arguments[i]; - - for (var key in source) { - if (Object.prototype.hasOwnProperty.call(source, key)) { - target[key] = source[key]; - } - } - } - - return target; - }; - - return _extends.apply(this, arguments); -} - -function _inheritsLoose(subClass, superClass) { - subClass.prototype = Object.create(superClass.prototype); - subClass.prototype.constructor = subClass; - subClass.__proto__ = superClass; -} - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): util.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Util = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Private TransitionEnd Helpers - * ------------------------------------------------------------------------ - */ - var transition = false; - var MAX_UID = 1000000; // Shoutout AngusCroll (https://goo.gl/pxwQGp) - - function toType(obj) { - return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase(); - } - - function getSpecialTransitionEndEvent() { - return { - bindType: transition.end, - delegateType: transition.end, - handle: function handle(event) { - if ($$$1(event.target).is(this)) { - return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params - } - - return undefined; // eslint-disable-line no-undefined - } - }; - } - - function transitionEndTest() { - if (typeof window !== 'undefined' && window.QUnit) { - return false; - } - - return { - end: 'transitionend' - }; - } - - function transitionEndEmulator(duration) { - var _this = this; - - var called = false; - $$$1(this).one(Util.TRANSITION_END, function () { - called = true; - }); - setTimeout(function () { - if (!called) { - Util.triggerTransitionEnd(_this); - } - }, duration); - return this; - } - - function setTransitionEndSupport() { - transition = transitionEndTest(); - $$$1.fn.emulateTransitionEnd = transitionEndEmulator; - - if (Util.supportsTransitionEnd()) { - $$$1.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent(); - } - } - - function escapeId(selector) { - // We escape IDs in case of special selectors (selector = '#myId:something') - // $.escapeSelector does not exist in jQuery < 3 - selector = typeof $$$1.escapeSelector === 'function' ? $$$1.escapeSelector(selector).substr(1) : selector.replace(/(:|\.|\[|\]|,|=|@)/g, '\\$1'); - return selector; - } - /** - * -------------------------------------------------------------------------- - * Public Util Api - * -------------------------------------------------------------------------- - */ - - - var Util = { - TRANSITION_END: 'bsTransitionEnd', - getUID: function getUID(prefix) { - do { - // eslint-disable-next-line no-bitwise - prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here - } while (document.getElementById(prefix)); - - return prefix; - }, - getSelectorFromElement: function getSelectorFromElement(element) { - var selector = element.getAttribute('data-target'); - - if (!selector || selector === '#') { - selector = element.getAttribute('href') || ''; - } // If it's an ID - - - if (selector.charAt(0) === '#') { - selector = escapeId(selector); - } - - try { - var $selector = $$$1(document).find(selector); - return $selector.length > 0 ? selector : null; - } catch (err) { - return null; - } - }, - reflow: function reflow(element) { - return element.offsetHeight; - }, - triggerTransitionEnd: function triggerTransitionEnd(element) { - $$$1(element).trigger(transition.end); - }, - supportsTransitionEnd: function supportsTransitionEnd() { - return Boolean(transition); - }, - isElement: function isElement(obj) { - return (obj[0] || obj).nodeType; - }, - typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) { - for (var property in configTypes) { - if (Object.prototype.hasOwnProperty.call(configTypes, property)) { - var expectedTypes = configTypes[property]; - var value = config[property]; - var valueType = value && Util.isElement(value) ? 'element' : toType(value); - - if (!new RegExp(expectedTypes).test(valueType)) { - throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\".")); - } - } - } - } - }; - setTransitionEndSupport(); - return Util; -}($); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): alert.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Alert = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'alert'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.alert'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var TRANSITION_DURATION = 150; - var Selector = { - DISMISS: '[data-dismiss="alert"]' - }; - var Event = { - CLOSE: "close" + EVENT_KEY, - CLOSED: "closed" + EVENT_KEY, - CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY - }; - var ClassName = { - ALERT: 'alert', - FADE: 'fade', - SHOW: 'show' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Alert = - /*#__PURE__*/ - function () { - function Alert(element) { - this._element = element; - } // Getters - - - var _proto = Alert.prototype; - - // Public - _proto.close = function close(element) { - element = element || this._element; - - var rootElement = this._getRootElement(element); - - var customEvent = this._triggerCloseEvent(rootElement); - - if (customEvent.isDefaultPrevented()) { - return; - } - - this._removeElement(rootElement); - }; - - _proto.dispose = function dispose() { - $$$1.removeData(this._element, DATA_KEY); - this._element = null; - }; // Private - - - _proto._getRootElement = function _getRootElement(element) { - var selector = Util.getSelectorFromElement(element); - var parent = false; - - if (selector) { - parent = $$$1(selector)[0]; - } - - if (!parent) { - parent = $$$1(element).closest("." + ClassName.ALERT)[0]; - } - - return parent; - }; - - _proto._triggerCloseEvent = function _triggerCloseEvent(element) { - var closeEvent = $$$1.Event(Event.CLOSE); - $$$1(element).trigger(closeEvent); - return closeEvent; - }; - - _proto._removeElement = function _removeElement(element) { - var _this = this; - - $$$1(element).removeClass(ClassName.SHOW); - - if (!Util.supportsTransitionEnd() || !$$$1(element).hasClass(ClassName.FADE)) { - this._destroyElement(element); - - return; - } - - $$$1(element).one(Util.TRANSITION_END, function (event) { - return _this._destroyElement(element, event); - }).emulateTransitionEnd(TRANSITION_DURATION); - }; - - _proto._destroyElement = function _destroyElement(element) { - $$$1(element).detach().trigger(Event.CLOSED).remove(); - }; // Static - - - Alert._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var $element = $$$1(this); - var data = $element.data(DATA_KEY); - - if (!data) { - data = new Alert(this); - $element.data(DATA_KEY, data); - } - - if (config === 'close') { - data[config](this); - } - }); - }; - - Alert._handleDismiss = function _handleDismiss(alertInstance) { - return function (event) { - if (event) { - event.preventDefault(); - } - - alertInstance.close(this); - }; - }; - - _createClass(Alert, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }]); - return Alert; - }(); - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - - $$$1(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert())); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $$$1.fn[NAME] = Alert._jQueryInterface; - $$$1.fn[NAME].Constructor = Alert; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Alert._jQueryInterface; - }; - - return Alert; -}($); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): button.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Button = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'button'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.button'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var ClassName = { - ACTIVE: 'active', - BUTTON: 'btn', - FOCUS: 'focus' - }; - var Selector = { - DATA_TOGGLE_CARROT: '[data-toggle^="button"]', - DATA_TOGGLE: '[data-toggle="buttons"]', - INPUT: 'input', - ACTIVE: '.active', - BUTTON: '.btn' - }; - var Event = { - CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY, - FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY) - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Button = - /*#__PURE__*/ - function () { - function Button(element) { - this._element = element; - } // Getters - - - var _proto = Button.prototype; - - // Public - _proto.toggle = function toggle() { - var triggerChangeEvent = true; - var addAriaPressed = true; - var rootElement = $$$1(this._element).closest(Selector.DATA_TOGGLE)[0]; - - if (rootElement) { - var input = $$$1(this._element).find(Selector.INPUT)[0]; - - if (input) { - if (input.type === 'radio') { - if (input.checked && $$$1(this._element).hasClass(ClassName.ACTIVE)) { - triggerChangeEvent = false; - } else { - var activeElement = $$$1(rootElement).find(Selector.ACTIVE)[0]; - - if (activeElement) { - $$$1(activeElement).removeClass(ClassName.ACTIVE); - } - } - } - - if (triggerChangeEvent) { - if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) { - return; - } - - input.checked = !$$$1(this._element).hasClass(ClassName.ACTIVE); - $$$1(input).trigger('change'); - } - - input.focus(); - addAriaPressed = false; - } - } - - if (addAriaPressed) { - this._element.setAttribute('aria-pressed', !$$$1(this._element).hasClass(ClassName.ACTIVE)); - } - - if (triggerChangeEvent) { - $$$1(this._element).toggleClass(ClassName.ACTIVE); - } - }; - - _proto.dispose = function dispose() { - $$$1.removeData(this._element, DATA_KEY); - this._element = null; - }; // Static - - - Button._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var data = $$$1(this).data(DATA_KEY); - - if (!data) { - data = new Button(this); - $$$1(this).data(DATA_KEY, data); - } - - if (config === 'toggle') { - data[config](); - } - }); - }; - - _createClass(Button, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }]); - return Button; - }(); - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - - $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) { - event.preventDefault(); - var button = event.target; - - if (!$$$1(button).hasClass(ClassName.BUTTON)) { - button = $$$1(button).closest(Selector.BUTTON); - } - - Button._jQueryInterface.call($$$1(button), 'toggle'); - }).on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) { - var button = $$$1(event.target).closest(Selector.BUTTON)[0]; - $$$1(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type)); - }); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $$$1.fn[NAME] = Button._jQueryInterface; - $$$1.fn[NAME].Constructor = Button; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Button._jQueryInterface; - }; - - return Button; -}($); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): carousel.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Carousel = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'carousel'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.carousel'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var TRANSITION_DURATION = 600; - var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key - - var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key - - var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch - - var Default = { - interval: 5000, - keyboard: true, - slide: false, - pause: 'hover', - wrap: true - }; - var DefaultType = { - interval: '(number|boolean)', - keyboard: 'boolean', - slide: '(boolean|string)', - pause: '(string|boolean)', - wrap: 'boolean' - }; - var Direction = { - NEXT: 'next', - PREV: 'prev', - LEFT: 'left', - RIGHT: 'right' - }; - var Event = { - SLIDE: "slide" + EVENT_KEY, - SLID: "slid" + EVENT_KEY, - KEYDOWN: "keydown" + EVENT_KEY, - MOUSEENTER: "mouseenter" + EVENT_KEY, - MOUSELEAVE: "mouseleave" + EVENT_KEY, - TOUCHEND: "touchend" + EVENT_KEY, - LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY, - CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY - }; - var ClassName = { - CAROUSEL: 'carousel', - ACTIVE: 'active', - SLIDE: 'slide', - RIGHT: 'carousel-item-right', - LEFT: 'carousel-item-left', - NEXT: 'carousel-item-next', - PREV: 'carousel-item-prev', - ITEM: 'carousel-item' - }; - var Selector = { - ACTIVE: '.active', - ACTIVE_ITEM: '.active.carousel-item', - ITEM: '.carousel-item', - NEXT_PREV: '.carousel-item-next, .carousel-item-prev', - INDICATORS: '.carousel-indicators', - DATA_SLIDE: '[data-slide], [data-slide-to]', - DATA_RIDE: '[data-ride="carousel"]' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Carousel = - /*#__PURE__*/ - function () { - function Carousel(element, config) { - this._items = null; - this._interval = null; - this._activeElement = null; - this._isPaused = false; - this._isSliding = false; - this.touchTimeout = null; - this._config = this._getConfig(config); - this._element = $$$1(element)[0]; - this._indicatorsElement = $$$1(this._element).find(Selector.INDICATORS)[0]; - - this._addEventListeners(); - } // Getters - - - var _proto = Carousel.prototype; - - // Public - _proto.next = function next() { - if (!this._isSliding) { - this._slide(Direction.NEXT); - } - }; - - _proto.nextWhenVisible = function nextWhenVisible() { - // Don't call next when the page isn't visible - // or the carousel or its parent isn't visible - if (!document.hidden && $$$1(this._element).is(':visible') && $$$1(this._element).css('visibility') !== 'hidden') { - this.next(); - } - }; - - _proto.prev = function prev() { - if (!this._isSliding) { - this._slide(Direction.PREV); - } - }; - - _proto.pause = function pause(event) { - if (!event) { - this._isPaused = true; - } - - if ($$$1(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) { - Util.triggerTransitionEnd(this._element); - this.cycle(true); - } - - clearInterval(this._interval); - this._interval = null; - }; - - _proto.cycle = function cycle(event) { - if (!event) { - this._isPaused = false; - } - - if (this._interval) { - clearInterval(this._interval); - this._interval = null; - } - - if (this._config.interval && !this._isPaused) { - this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval); - } - }; - - _proto.to = function to(index) { - var _this = this; - - this._activeElement = $$$1(this._element).find(Selector.ACTIVE_ITEM)[0]; - - var activeIndex = this._getItemIndex(this._activeElement); - - if (index > this._items.length - 1 || index < 0) { - return; - } - - if (this._isSliding) { - $$$1(this._element).one(Event.SLID, function () { - return _this.to(index); - }); - return; - } - - if (activeIndex === index) { - this.pause(); - this.cycle(); - return; - } - - var direction = index > activeIndex ? Direction.NEXT : Direction.PREV; - - this._slide(direction, this._items[index]); - }; - - _proto.dispose = function dispose() { - $$$1(this._element).off(EVENT_KEY); - $$$1.removeData(this._element, DATA_KEY); - this._items = null; - this._config = null; - this._element = null; - this._interval = null; - this._isPaused = null; - this._isSliding = null; - this._activeElement = null; - this._indicatorsElement = null; - }; // Private - - - _proto._getConfig = function _getConfig(config) { - config = _extends({}, Default, config); - Util.typeCheckConfig(NAME, config, DefaultType); - return config; - }; - - _proto._addEventListeners = function _addEventListeners() { - var _this2 = this; - - if (this._config.keyboard) { - $$$1(this._element).on(Event.KEYDOWN, function (event) { - return _this2._keydown(event); - }); - } - - if (this._config.pause === 'hover') { - $$$1(this._element).on(Event.MOUSEENTER, function (event) { - return _this2.pause(event); - }).on(Event.MOUSELEAVE, function (event) { - return _this2.cycle(event); - }); - - if ('ontouchstart' in document.documentElement) { - // If it's a touch-enabled device, mouseenter/leave are fired as - // part of the mouse compatibility events on first tap - the carousel - // would stop cycling until user tapped out of it; - // here, we listen for touchend, explicitly pause the carousel - // (as if it's the second time we tap on it, mouseenter compat event - // is NOT fired) and after a timeout (to allow for mouse compatibility - // events to fire) we explicitly restart cycling - $$$1(this._element).on(Event.TOUCHEND, function () { - _this2.pause(); - - if (_this2.touchTimeout) { - clearTimeout(_this2.touchTimeout); - } - - _this2.touchTimeout = setTimeout(function (event) { - return _this2.cycle(event); - }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval); - }); - } - } - }; - - _proto._keydown = function _keydown(event) { - if (/input|textarea/i.test(event.target.tagName)) { - return; - } - - switch (event.which) { - case ARROW_LEFT_KEYCODE: - event.preventDefault(); - this.prev(); - break; - - case ARROW_RIGHT_KEYCODE: - event.preventDefault(); - this.next(); - break; - - default: - } - }; - - _proto._getItemIndex = function _getItemIndex(element) { - this._items = $$$1.makeArray($$$1(element).parent().find(Selector.ITEM)); - return this._items.indexOf(element); - }; - - _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) { - var isNextDirection = direction === Direction.NEXT; - var isPrevDirection = direction === Direction.PREV; - - var activeIndex = this._getItemIndex(activeElement); - - var lastItemIndex = this._items.length - 1; - var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex; - - if (isGoingToWrap && !this._config.wrap) { - return activeElement; - } - - var delta = direction === Direction.PREV ? -1 : 1; - var itemIndex = (activeIndex + delta) % this._items.length; - return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex]; - }; - - _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) { - var targetIndex = this._getItemIndex(relatedTarget); - - var fromIndex = this._getItemIndex($$$1(this._element).find(Selector.ACTIVE_ITEM)[0]); - - var slideEvent = $$$1.Event(Event.SLIDE, { - relatedTarget: relatedTarget, - direction: eventDirectionName, - from: fromIndex, - to: targetIndex - }); - $$$1(this._element).trigger(slideEvent); - return slideEvent; - }; - - _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) { - if (this._indicatorsElement) { - $$$1(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE); - - var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)]; - - if (nextIndicator) { - $$$1(nextIndicator).addClass(ClassName.ACTIVE); - } - } - }; - - _proto._slide = function _slide(direction, element) { - var _this3 = this; - - var activeElement = $$$1(this._element).find(Selector.ACTIVE_ITEM)[0]; - - var activeElementIndex = this._getItemIndex(activeElement); - - var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement); - - var nextElementIndex = this._getItemIndex(nextElement); - - var isCycling = Boolean(this._interval); - var directionalClassName; - var orderClassName; - var eventDirectionName; - - if (direction === Direction.NEXT) { - directionalClassName = ClassName.LEFT; - orderClassName = ClassName.NEXT; - eventDirectionName = Direction.LEFT; - } else { - directionalClassName = ClassName.RIGHT; - orderClassName = ClassName.PREV; - eventDirectionName = Direction.RIGHT; - } - - if (nextElement && $$$1(nextElement).hasClass(ClassName.ACTIVE)) { - this._isSliding = false; - return; - } - - var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName); - - if (slideEvent.isDefaultPrevented()) { - return; - } - - if (!activeElement || !nextElement) { - // Some weirdness is happening, so we bail - return; - } - - this._isSliding = true; - - if (isCycling) { - this.pause(); - } - - this._setActiveIndicatorElement(nextElement); - - var slidEvent = $$$1.Event(Event.SLID, { - relatedTarget: nextElement, - direction: eventDirectionName, - from: activeElementIndex, - to: nextElementIndex - }); - - if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.SLIDE)) { - $$$1(nextElement).addClass(orderClassName); - Util.reflow(nextElement); - $$$1(activeElement).addClass(directionalClassName); - $$$1(nextElement).addClass(directionalClassName); - $$$1(activeElement).one(Util.TRANSITION_END, function () { - $$$1(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE); - $$$1(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName); - _this3._isSliding = false; - setTimeout(function () { - return $$$1(_this3._element).trigger(slidEvent); - }, 0); - }).emulateTransitionEnd(TRANSITION_DURATION); - } else { - $$$1(activeElement).removeClass(ClassName.ACTIVE); - $$$1(nextElement).addClass(ClassName.ACTIVE); - this._isSliding = false; - $$$1(this._element).trigger(slidEvent); - } - - if (isCycling) { - this.cycle(); - } - }; // Static - - - Carousel._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var data = $$$1(this).data(DATA_KEY); - - var _config = _extends({}, Default, $$$1(this).data()); - - if (typeof config === 'object') { - _config = _extends({}, _config, config); - } - - var action = typeof config === 'string' ? config : _config.slide; - - if (!data) { - data = new Carousel(this, _config); - $$$1(this).data(DATA_KEY, data); - } - - if (typeof config === 'number') { - data.to(config); - } else if (typeof action === 'string') { - if (typeof data[action] === 'undefined') { - throw new TypeError("No method named \"" + action + "\""); - } - - data[action](); - } else if (_config.interval) { - data.pause(); - data.cycle(); - } - }); - }; - - Carousel._dataApiClickHandler = function _dataApiClickHandler(event) { - var selector = Util.getSelectorFromElement(this); - - if (!selector) { - return; - } - - var target = $$$1(selector)[0]; - - if (!target || !$$$1(target).hasClass(ClassName.CAROUSEL)) { - return; - } - - var config = _extends({}, $$$1(target).data(), $$$1(this).data()); - var slideIndex = this.getAttribute('data-slide-to'); - - if (slideIndex) { - config.interval = false; - } - - Carousel._jQueryInterface.call($$$1(target), config); - - if (slideIndex) { - $$$1(target).data(DATA_KEY).to(slideIndex); - } - - event.preventDefault(); - }; - - _createClass(Carousel, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }, { - key: "Default", - get: function get() { - return Default; - } - }]); - return Carousel; - }(); - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - - $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler); - $$$1(window).on(Event.LOAD_DATA_API, function () { - $$$1(Selector.DATA_RIDE).each(function () { - var $carousel = $$$1(this); - - Carousel._jQueryInterface.call($carousel, $carousel.data()); - }); - }); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $$$1.fn[NAME] = Carousel._jQueryInterface; - $$$1.fn[NAME].Constructor = Carousel; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Carousel._jQueryInterface; - }; - - return Carousel; -}($); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): collapse.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Collapse = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'collapse'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.collapse'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var TRANSITION_DURATION = 600; - var Default = { - toggle: true, - parent: '' - }; - var DefaultType = { - toggle: 'boolean', - parent: '(string|element)' - }; - var Event = { - SHOW: "show" + EVENT_KEY, - SHOWN: "shown" + EVENT_KEY, - HIDE: "hide" + EVENT_KEY, - HIDDEN: "hidden" + EVENT_KEY, - CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY - }; - var ClassName = { - SHOW: 'show', - COLLAPSE: 'collapse', - COLLAPSING: 'collapsing', - COLLAPSED: 'collapsed' - }; - var Dimension = { - WIDTH: 'width', - HEIGHT: 'height' - }; - var Selector = { - ACTIVES: '.show, .collapsing', - DATA_TOGGLE: '[data-toggle="collapse"]' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Collapse = - /*#__PURE__*/ - function () { - function Collapse(element, config) { - this._isTransitioning = false; - this._element = element; - this._config = this._getConfig(config); - this._triggerArray = $$$1.makeArray($$$1("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]"))); - var tabToggles = $$$1(Selector.DATA_TOGGLE); - - for (var i = 0; i < tabToggles.length; i++) { - var elem = tabToggles[i]; - var selector = Util.getSelectorFromElement(elem); - - if (selector !== null && $$$1(selector).filter(element).length > 0) { - this._selector = selector; - - this._triggerArray.push(elem); - } - } - - this._parent = this._config.parent ? this._getParent() : null; - - if (!this._config.parent) { - this._addAriaAndCollapsedClass(this._element, this._triggerArray); - } - - if (this._config.toggle) { - this.toggle(); - } - } // Getters - - - var _proto = Collapse.prototype; - - // Public - _proto.toggle = function toggle() { - if ($$$1(this._element).hasClass(ClassName.SHOW)) { - this.hide(); - } else { - this.show(); - } - }; - - _proto.show = function show() { - var _this = this; - - if (this._isTransitioning || $$$1(this._element).hasClass(ClassName.SHOW)) { - return; - } - - var actives; - var activesData; - - if (this._parent) { - actives = $$$1.makeArray($$$1(this._parent).find(Selector.ACTIVES).filter("[data-parent=\"" + this._config.parent + "\"]")); - - if (actives.length === 0) { - actives = null; - } - } - - if (actives) { - activesData = $$$1(actives).not(this._selector).data(DATA_KEY); - - if (activesData && activesData._isTransitioning) { - return; - } - } - - var startEvent = $$$1.Event(Event.SHOW); - $$$1(this._element).trigger(startEvent); - - if (startEvent.isDefaultPrevented()) { - return; - } - - if (actives) { - Collapse._jQueryInterface.call($$$1(actives).not(this._selector), 'hide'); - - if (!activesData) { - $$$1(actives).data(DATA_KEY, null); - } - } - - var dimension = this._getDimension(); - - $$$1(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING); - this._element.style[dimension] = 0; - - if (this._triggerArray.length > 0) { - $$$1(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true); - } - - this.setTransitioning(true); - - var complete = function complete() { - $$$1(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW); - _this._element.style[dimension] = ''; - - _this.setTransitioning(false); - - $$$1(_this._element).trigger(Event.SHOWN); - }; - - if (!Util.supportsTransitionEnd()) { - complete(); - return; - } - - var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1); - var scrollSize = "scroll" + capitalizedDimension; - $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION); - this._element.style[dimension] = this._element[scrollSize] + "px"; - }; - - _proto.hide = function hide() { - var _this2 = this; - - if (this._isTransitioning || !$$$1(this._element).hasClass(ClassName.SHOW)) { - return; - } - - var startEvent = $$$1.Event(Event.HIDE); - $$$1(this._element).trigger(startEvent); - - if (startEvent.isDefaultPrevented()) { - return; - } - - var dimension = this._getDimension(); - - this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px"; - Util.reflow(this._element); - $$$1(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW); - - if (this._triggerArray.length > 0) { - for (var i = 0; i < this._triggerArray.length; i++) { - var trigger = this._triggerArray[i]; - var selector = Util.getSelectorFromElement(trigger); - - if (selector !== null) { - var $elem = $$$1(selector); - - if (!$elem.hasClass(ClassName.SHOW)) { - $$$1(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false); - } - } - } - } - - this.setTransitioning(true); - - var complete = function complete() { - _this2.setTransitioning(false); - - $$$1(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN); - }; - - this._element.style[dimension] = ''; - - if (!Util.supportsTransitionEnd()) { - complete(); - return; - } - - $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION); - }; - - _proto.setTransitioning = function setTransitioning(isTransitioning) { - this._isTransitioning = isTransitioning; - }; - - _proto.dispose = function dispose() { - $$$1.removeData(this._element, DATA_KEY); - this._config = null; - this._parent = null; - this._element = null; - this._triggerArray = null; - this._isTransitioning = null; - }; // Private - - - _proto._getConfig = function _getConfig(config) { - config = _extends({}, Default, config); - config.toggle = Boolean(config.toggle); // Coerce string values - - Util.typeCheckConfig(NAME, config, DefaultType); - return config; - }; - - _proto._getDimension = function _getDimension() { - var hasWidth = $$$1(this._element).hasClass(Dimension.WIDTH); - return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT; - }; - - _proto._getParent = function _getParent() { - var _this3 = this; - - var parent = null; - - if (Util.isElement(this._config.parent)) { - parent = this._config.parent; // It's a jQuery object - - if (typeof this._config.parent.jquery !== 'undefined') { - parent = this._config.parent[0]; - } - } else { - parent = $$$1(this._config.parent)[0]; - } - - var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]"; - $$$1(parent).find(selector).each(function (i, element) { - _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]); - }); - return parent; - }; - - _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) { - if (element) { - var isOpen = $$$1(element).hasClass(ClassName.SHOW); - - if (triggerArray.length > 0) { - $$$1(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen); - } - } - }; // Static - - - Collapse._getTargetFromElement = function _getTargetFromElement(element) { - var selector = Util.getSelectorFromElement(element); - return selector ? $$$1(selector)[0] : null; - }; - - Collapse._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var $this = $$$1(this); - var data = $this.data(DATA_KEY); - - var _config = _extends({}, Default, $this.data(), typeof config === 'object' && config); - - if (!data && _config.toggle && /show|hide/.test(config)) { - _config.toggle = false; - } - - if (!data) { - data = new Collapse(this, _config); - $this.data(DATA_KEY, data); - } - - if (typeof config === 'string') { - if (typeof data[config] === 'undefined') { - throw new TypeError("No method named \"" + config + "\""); - } - - data[config](); - } - }); - }; - - _createClass(Collapse, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }, { - key: "Default", - get: function get() { - return Default; - } - }]); - return Collapse; - }(); - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - - $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { - // preventDefault only for elements (which change the URL) not inside the collapsible element - if (event.currentTarget.tagName === 'A') { - event.preventDefault(); - } - - var $trigger = $$$1(this); - var selector = Util.getSelectorFromElement(this); - $$$1(selector).each(function () { - var $target = $$$1(this); - var data = $target.data(DATA_KEY); - var config = data ? 'toggle' : $trigger.data(); - - Collapse._jQueryInterface.call($target, config); - }); - }); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $$$1.fn[NAME] = Collapse._jQueryInterface; - $$$1.fn[NAME].Constructor = Collapse; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Collapse._jQueryInterface; - }; - - return Collapse; -}($); - -/**! - * @fileOverview Kickass library to create and place poppers near their reference elements. - * @version 1.12.9 - * @license - * Copyright (c) 2016 Federico Zivolo and contributors - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined'; -var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox']; -var timeoutDuration = 0; -for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) { - if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) { - timeoutDuration = 1; - break; - } -} - -function microtaskDebounce(fn) { - var called = false; - return function () { - if (called) { - return; - } - called = true; - window.Promise.resolve().then(function () { - called = false; - fn(); - }); - }; -} - -function taskDebounce(fn) { - var scheduled = false; - return function () { - if (!scheduled) { - scheduled = true; - setTimeout(function () { - scheduled = false; - fn(); - }, timeoutDuration); - } - }; -} - -var supportsMicroTasks = isBrowser && window.Promise; - -/** -* Create a debounced version of a method, that's asynchronously deferred -* but called in the minimum time possible. -* -* @method -* @memberof Popper.Utils -* @argument {Function} fn -* @returns {Function} -*/ -var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce; - -/** - * Check if the given variable is a function - * @method - * @memberof Popper.Utils - * @argument {Any} functionToCheck - variable to check - * @returns {Boolean} answer to: is a function? - */ -function isFunction(functionToCheck) { - var getType = {}; - return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]'; -} - -/** - * Get CSS computed property of the given element - * @method - * @memberof Popper.Utils - * @argument {Eement} element - * @argument {String} property - */ -function getStyleComputedProperty(element, property) { - if (element.nodeType !== 1) { - return []; - } - // NOTE: 1 DOM access here - var css = getComputedStyle(element, null); - return property ? css[property] : css; -} - -/** - * Returns the parentNode or the host of the element - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} parent - */ -function getParentNode(element) { - if (element.nodeName === 'HTML') { - return element; - } - return element.parentNode || element.host; -} - -/** - * Returns the scrolling parent of the given element - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} scroll parent - */ -function getScrollParent(element) { - // Return body, `getScroll` will take care to get the correct `scrollTop` from it - if (!element) { - return document.body; - } - - switch (element.nodeName) { - case 'HTML': - case 'BODY': - return element.ownerDocument.body; - case '#document': - return element.body; - } - - // Firefox want us to check `-x` and `-y` variations as well - - var _getStyleComputedProp = getStyleComputedProperty(element), - overflow = _getStyleComputedProp.overflow, - overflowX = _getStyleComputedProp.overflowX, - overflowY = _getStyleComputedProp.overflowY; - - if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) { - return element; - } - - return getScrollParent(getParentNode(element)); -} - -/** - * Returns the offset parent of the given element - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} offset parent - */ -function getOffsetParent(element) { - // NOTE: 1 DOM access here - var offsetParent = element && element.offsetParent; - var nodeName = offsetParent && offsetParent.nodeName; - - if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') { - if (element) { - return element.ownerDocument.documentElement; - } - - return document.documentElement; - } - - // .offsetParent will return the closest TD or TABLE in case - // no offsetParent is present, I hate this job... - if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') { - return getOffsetParent(offsetParent); - } - - return offsetParent; -} - -function isOffsetContainer(element) { - var nodeName = element.nodeName; - - if (nodeName === 'BODY') { - return false; - } - return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element; -} - -/** - * Finds the root node (document, shadowDOM root) of the given element - * @method - * @memberof Popper.Utils - * @argument {Element} node - * @returns {Element} root node - */ -function getRoot(node) { - if (node.parentNode !== null) { - return getRoot(node.parentNode); - } - - return node; -} - -/** - * Finds the offset parent common to the two provided nodes - * @method - * @memberof Popper.Utils - * @argument {Element} element1 - * @argument {Element} element2 - * @returns {Element} common offset parent - */ -function findCommonOffsetParent(element1, element2) { - // This check is needed to avoid errors in case one of the elements isn't defined for any reason - if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) { - return document.documentElement; - } - - // Here we make sure to give as "start" the element that comes first in the DOM - var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING; - var start = order ? element1 : element2; - var end = order ? element2 : element1; - - // Get common ancestor container - var range = document.createRange(); - range.setStart(start, 0); - range.setEnd(end, 0); - var commonAncestorContainer = range.commonAncestorContainer; - - // Both nodes are inside #document - - if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) { - if (isOffsetContainer(commonAncestorContainer)) { - return commonAncestorContainer; - } - - return getOffsetParent(commonAncestorContainer); - } - - // one of the nodes is inside shadowDOM, find which one - var element1root = getRoot(element1); - if (element1root.host) { - return findCommonOffsetParent(element1root.host, element2); - } else { - return findCommonOffsetParent(element1, getRoot(element2).host); - } -} - -/** - * Gets the scroll value of the given element in the given side (top and left) - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @argument {String} side `top` or `left` - * @returns {number} amount of scrolled pixels - */ -function getScroll(element) { - var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top'; - - var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft'; - var nodeName = element.nodeName; - - if (nodeName === 'BODY' || nodeName === 'HTML') { - var html = element.ownerDocument.documentElement; - var scrollingElement = element.ownerDocument.scrollingElement || html; - return scrollingElement[upperSide]; - } - - return element[upperSide]; -} - -/* - * Sum or subtract the element scroll values (left and top) from a given rect object - * @method - * @memberof Popper.Utils - * @param {Object} rect - Rect object you want to change - * @param {HTMLElement} element - The element from the function reads the scroll values - * @param {Boolean} subtract - set to true if you want to subtract the scroll values - * @return {Object} rect - The modifier rect object - */ -function includeScroll(rect, element) { - var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; - - var scrollTop = getScroll(element, 'top'); - var scrollLeft = getScroll(element, 'left'); - var modifier = subtract ? -1 : 1; - rect.top += scrollTop * modifier; - rect.bottom += scrollTop * modifier; - rect.left += scrollLeft * modifier; - rect.right += scrollLeft * modifier; - return rect; -} - -/* - * Helper to detect borders of a given element - * @method - * @memberof Popper.Utils - * @param {CSSStyleDeclaration} styles - * Result of `getStyleComputedProperty` on the given element - * @param {String} axis - `x` or `y` - * @return {number} borders - The borders size of the given axis - */ - -function getBordersSize(styles, axis) { - var sideA = axis === 'x' ? 'Left' : 'Top'; - var sideB = sideA === 'Left' ? 'Right' : 'Bottom'; - - return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10); -} - -/** - * Tells if you are running Internet Explorer 10 - * @method - * @memberof Popper.Utils - * @returns {Boolean} isIE10 - */ -var isIE10 = undefined; - -var isIE10$1 = function () { - if (isIE10 === undefined) { - isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1; - } - return isIE10; -}; - -function getSize(axis, body, html, computedStyle) { - return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0); -} - -function getWindowSizes() { - var body = document.body; - var html = document.documentElement; - var computedStyle = isIE10$1() && getComputedStyle(html); - - return { - height: getSize('Height', body, html, computedStyle), - width: getSize('Width', body, html, computedStyle) - }; -} - -var classCallCheck = function (instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); - } -}; - -var createClass = function () { - function defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); - } - } - - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); - return Constructor; - }; -}(); - - - - - -var defineProperty = function (obj, key, value) { - if (key in obj) { - Object.defineProperty(obj, key, { - value: value, - enumerable: true, - configurable: true, - writable: true - }); - } else { - obj[key] = value; - } - - return obj; -}; - -var _extends$1 = Object.assign || function (target) { - for (var i = 1; i < arguments.length; i++) { - var source = arguments[i]; - - for (var key in source) { - if (Object.prototype.hasOwnProperty.call(source, key)) { - target[key] = source[key]; - } - } - } - - return target; -}; - -/** - * Given element offsets, generate an output similar to getBoundingClientRect - * @method - * @memberof Popper.Utils - * @argument {Object} offsets - * @returns {Object} ClientRect like output - */ -function getClientRect(offsets) { - return _extends$1({}, offsets, { - right: offsets.left + offsets.width, - bottom: offsets.top + offsets.height - }); -} - -/** - * Get bounding client rect of given element - * @method - * @memberof Popper.Utils - * @param {HTMLElement} element - * @return {Object} client rect - */ -function getBoundingClientRect(element) { - var rect = {}; - - // IE10 10 FIX: Please, don't ask, the element isn't - // considered in DOM in some circumstances... - // This isn't reproducible in IE10 compatibility mode of IE11 - if (isIE10$1()) { - try { - rect = element.getBoundingClientRect(); - var scrollTop = getScroll(element, 'top'); - var scrollLeft = getScroll(element, 'left'); - rect.top += scrollTop; - rect.left += scrollLeft; - rect.bottom += scrollTop; - rect.right += scrollLeft; - } catch (err) {} - } else { - rect = element.getBoundingClientRect(); - } - - var result = { - left: rect.left, - top: rect.top, - width: rect.right - rect.left, - height: rect.bottom - rect.top - }; - - // subtract scrollbar size from sizes - var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {}; - var width = sizes.width || element.clientWidth || result.right - result.left; - var height = sizes.height || element.clientHeight || result.bottom - result.top; - - var horizScrollbar = element.offsetWidth - width; - var vertScrollbar = element.offsetHeight - height; - - // if an hypothetical scrollbar is detected, we must be sure it's not a `border` - // we make this check conditional for performance reasons - if (horizScrollbar || vertScrollbar) { - var styles = getStyleComputedProperty(element); - horizScrollbar -= getBordersSize(styles, 'x'); - vertScrollbar -= getBordersSize(styles, 'y'); - - result.width -= horizScrollbar; - result.height -= vertScrollbar; - } - - return getClientRect(result); -} - -function getOffsetRectRelativeToArbitraryNode(children, parent) { - var isIE10 = isIE10$1(); - var isHTML = parent.nodeName === 'HTML'; - var childrenRect = getBoundingClientRect(children); - var parentRect = getBoundingClientRect(parent); - var scrollParent = getScrollParent(children); - - var styles = getStyleComputedProperty(parent); - var borderTopWidth = parseFloat(styles.borderTopWidth, 10); - var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10); - - var offsets = getClientRect({ - top: childrenRect.top - parentRect.top - borderTopWidth, - left: childrenRect.left - parentRect.left - borderLeftWidth, - width: childrenRect.width, - height: childrenRect.height - }); - offsets.marginTop = 0; - offsets.marginLeft = 0; - - // Subtract margins of documentElement in case it's being used as parent - // we do this only on HTML because it's the only element that behaves - // differently when margins are applied to it. The margins are included in - // the box of the documentElement, in the other cases not. - if (!isIE10 && isHTML) { - var marginTop = parseFloat(styles.marginTop, 10); - var marginLeft = parseFloat(styles.marginLeft, 10); - - offsets.top -= borderTopWidth - marginTop; - offsets.bottom -= borderTopWidth - marginTop; - offsets.left -= borderLeftWidth - marginLeft; - offsets.right -= borderLeftWidth - marginLeft; - - // Attach marginTop and marginLeft because in some circumstances we may need them - offsets.marginTop = marginTop; - offsets.marginLeft = marginLeft; - } - - if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') { - offsets = includeScroll(offsets, parent); - } - - return offsets; -} - -function getViewportOffsetRectRelativeToArtbitraryNode(element) { - var html = element.ownerDocument.documentElement; - var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html); - var width = Math.max(html.clientWidth, window.innerWidth || 0); - var height = Math.max(html.clientHeight, window.innerHeight || 0); - - var scrollTop = getScroll(html); - var scrollLeft = getScroll(html, 'left'); - - var offset = { - top: scrollTop - relativeOffset.top + relativeOffset.marginTop, - left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft, - width: width, - height: height - }; - - return getClientRect(offset); -} - -/** - * Check if the given element is fixed or is inside a fixed parent - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @argument {Element} customContainer - * @returns {Boolean} answer to "isFixed?" - */ -function isFixed(element) { - var nodeName = element.nodeName; - if (nodeName === 'BODY' || nodeName === 'HTML') { - return false; - } - if (getStyleComputedProperty(element, 'position') === 'fixed') { - return true; - } - return isFixed(getParentNode(element)); -} - -/** - * Computed the boundaries limits and return them - * @method - * @memberof Popper.Utils - * @param {HTMLElement} popper - * @param {HTMLElement} reference - * @param {number} padding - * @param {HTMLElement} boundariesElement - Element used to define the boundaries - * @returns {Object} Coordinates of the boundaries - */ -function getBoundaries(popper, reference, padding, boundariesElement) { - // NOTE: 1 DOM access here - var boundaries = { top: 0, left: 0 }; - var offsetParent = findCommonOffsetParent(popper, reference); - - // Handle viewport case - if (boundariesElement === 'viewport') { - boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent); - } else { - // Handle other cases based on DOM element used as boundaries - var boundariesNode = void 0; - if (boundariesElement === 'scrollParent') { - boundariesNode = getScrollParent(getParentNode(reference)); - if (boundariesNode.nodeName === 'BODY') { - boundariesNode = popper.ownerDocument.documentElement; - } - } else if (boundariesElement === 'window') { - boundariesNode = popper.ownerDocument.documentElement; - } else { - boundariesNode = boundariesElement; - } - - var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent); - - // In case of HTML, we need a different computation - if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) { - var _getWindowSizes = getWindowSizes(), - height = _getWindowSizes.height, - width = _getWindowSizes.width; - - boundaries.top += offsets.top - offsets.marginTop; - boundaries.bottom = height + offsets.top; - boundaries.left += offsets.left - offsets.marginLeft; - boundaries.right = width + offsets.left; - } else { - // for all the other DOM elements, this one is good - boundaries = offsets; - } - } - - // Add paddings - boundaries.left += padding; - boundaries.top += padding; - boundaries.right -= padding; - boundaries.bottom -= padding; - - return boundaries; -} - -function getArea(_ref) { - var width = _ref.width, - height = _ref.height; - - return width * height; -} - -/** - * Utility used to transform the `auto` placement to the placement with more - * available space. - * @method - * @memberof Popper.Utils - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) { - var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0; - - if (placement.indexOf('auto') === -1) { - return placement; - } - - var boundaries = getBoundaries(popper, reference, padding, boundariesElement); - - var rects = { - top: { - width: boundaries.width, - height: refRect.top - boundaries.top - }, - right: { - width: boundaries.right - refRect.right, - height: boundaries.height - }, - bottom: { - width: boundaries.width, - height: boundaries.bottom - refRect.bottom - }, - left: { - width: refRect.left - boundaries.left, - height: boundaries.height - } - }; - - var sortedAreas = Object.keys(rects).map(function (key) { - return _extends$1({ - key: key - }, rects[key], { - area: getArea(rects[key]) - }); - }).sort(function (a, b) { - return b.area - a.area; - }); - - var filteredAreas = sortedAreas.filter(function (_ref2) { - var width = _ref2.width, - height = _ref2.height; - return width >= popper.clientWidth && height >= popper.clientHeight; - }); - - var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key; - - var variation = placement.split('-')[1]; - - return computedPlacement + (variation ? '-' + variation : ''); -} - -/** - * Get offsets to the reference element - * @method - * @memberof Popper.Utils - * @param {Object} state - * @param {Element} popper - the popper element - * @param {Element} reference - the reference element (the popper will be relative to this) - * @returns {Object} An object containing the offsets which will be applied to the popper - */ -function getReferenceOffsets(state, popper, reference) { - var commonOffsetParent = findCommonOffsetParent(popper, reference); - return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent); -} - -/** - * Get the outer sizes of the given element (offset size + margins) - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Object} object containing width and height properties - */ -function getOuterSizes(element) { - var styles = getComputedStyle(element); - var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom); - var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight); - var result = { - width: element.offsetWidth + y, - height: element.offsetHeight + x - }; - return result; -} - -/** - * Get the opposite placement of the given one - * @method - * @memberof Popper.Utils - * @argument {String} placement - * @returns {String} flipped placement - */ -function getOppositePlacement(placement) { - var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' }; - return placement.replace(/left|right|bottom|top/g, function (matched) { - return hash[matched]; - }); -} - -/** - * Get offsets to the popper - * @method - * @memberof Popper.Utils - * @param {Object} position - CSS position the Popper will get applied - * @param {HTMLElement} popper - the popper element - * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this) - * @param {String} placement - one of the valid placement options - * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper - */ -function getPopperOffsets(popper, referenceOffsets, placement) { - placement = placement.split('-')[0]; - - // Get popper node sizes - var popperRect = getOuterSizes(popper); - - // Add position, width and height to our offsets object - var popperOffsets = { - width: popperRect.width, - height: popperRect.height - }; - - // depending by the popper placement we have to compute its offsets slightly differently - var isHoriz = ['right', 'left'].indexOf(placement) !== -1; - var mainSide = isHoriz ? 'top' : 'left'; - var secondarySide = isHoriz ? 'left' : 'top'; - var measurement = isHoriz ? 'height' : 'width'; - var secondaryMeasurement = !isHoriz ? 'height' : 'width'; - - popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2; - if (placement === secondarySide) { - popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement]; - } else { - popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)]; - } - - return popperOffsets; -} - -/** - * Mimics the `find` method of Array - * @method - * @memberof Popper.Utils - * @argument {Array} arr - * @argument prop - * @argument value - * @returns index or -1 - */ -function find(arr, check) { - // use native find if supported - if (Array.prototype.find) { - return arr.find(check); - } - - // use `filter` to obtain the same behavior of `find` - return arr.filter(check)[0]; -} - -/** - * Return the index of the matching object - * @method - * @memberof Popper.Utils - * @argument {Array} arr - * @argument prop - * @argument value - * @returns index or -1 - */ -function findIndex(arr, prop, value) { - // use native findIndex if supported - if (Array.prototype.findIndex) { - return arr.findIndex(function (cur) { - return cur[prop] === value; - }); - } - - // use `find` + `indexOf` if `findIndex` isn't supported - var match = find(arr, function (obj) { - return obj[prop] === value; - }); - return arr.indexOf(match); -} - -/** - * Loop trough the list of modifiers and run them in order, - * each of them will then edit the data object. - * @method - * @memberof Popper.Utils - * @param {dataObject} data - * @param {Array} modifiers - * @param {String} ends - Optional modifier name used as stopper - * @returns {dataObject} - */ -function runModifiers(modifiers, data, ends) { - var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends)); - - modifiersToRun.forEach(function (modifier) { - if (modifier['function']) { - // eslint-disable-line dot-notation - console.warn('`modifier.function` is deprecated, use `modifier.fn`!'); - } - var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation - if (modifier.enabled && isFunction(fn)) { - // Add properties to offsets to make them a complete clientRect object - // we do this before each modifier to make sure the previous one doesn't - // mess with these values - data.offsets.popper = getClientRect(data.offsets.popper); - data.offsets.reference = getClientRect(data.offsets.reference); - - data = fn(data, modifier); - } - }); - - return data; -} - -/** - * Updates the position of the popper, computing the new offsets and applying - * the new style.
    - * Prefer `scheduleUpdate` over `update` because of performance reasons. - * @method - * @memberof Popper - */ -function update() { - // if popper is destroyed, don't perform any further update - if (this.state.isDestroyed) { - return; - } - - var data = { - instance: this, - styles: {}, - arrowStyles: {}, - attributes: {}, - flipped: false, - offsets: {} - }; - - // compute reference element offsets - data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference); - - // compute auto placement, store placement inside the data object, - // modifiers will be able to edit `placement` if needed - // and refer to originalPlacement to know the original value - data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding); - - // store the computed placement inside `originalPlacement` - data.originalPlacement = data.placement; - - // compute the popper offsets - data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement); - data.offsets.popper.position = 'absolute'; - - // run the modifiers - data = runModifiers(this.modifiers, data); - - // the first `update` will call `onCreate` callback - // the other ones will call `onUpdate` callback - if (!this.state.isCreated) { - this.state.isCreated = true; - this.options.onCreate(data); - } else { - this.options.onUpdate(data); - } -} - -/** - * Helper used to know if the given modifier is enabled. - * @method - * @memberof Popper.Utils - * @returns {Boolean} - */ -function isModifierEnabled(modifiers, modifierName) { - return modifiers.some(function (_ref) { - var name = _ref.name, - enabled = _ref.enabled; - return enabled && name === modifierName; - }); -} - -/** - * Get the prefixed supported property name - * @method - * @memberof Popper.Utils - * @argument {String} property (camelCase) - * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix) - */ -function getSupportedPropertyName(property) { - var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O']; - var upperProp = property.charAt(0).toUpperCase() + property.slice(1); - - for (var i = 0; i < prefixes.length - 1; i++) { - var prefix = prefixes[i]; - var toCheck = prefix ? '' + prefix + upperProp : property; - if (typeof document.body.style[toCheck] !== 'undefined') { - return toCheck; - } - } - return null; -} - -/** - * Destroy the popper - * @method - * @memberof Popper - */ -function destroy() { - this.state.isDestroyed = true; - - // touch DOM only if `applyStyle` modifier is enabled - if (isModifierEnabled(this.modifiers, 'applyStyle')) { - this.popper.removeAttribute('x-placement'); - this.popper.style.left = ''; - this.popper.style.position = ''; - this.popper.style.top = ''; - this.popper.style[getSupportedPropertyName('transform')] = ''; - } - - this.disableEventListeners(); - - // remove the popper if user explicity asked for the deletion on destroy - // do not use `remove` because IE11 doesn't support it - if (this.options.removeOnDestroy) { - this.popper.parentNode.removeChild(this.popper); - } - return this; -} - -/** - * Get the window associated with the element - * @argument {Element} element - * @returns {Window} - */ -function getWindow(element) { - var ownerDocument = element.ownerDocument; - return ownerDocument ? ownerDocument.defaultView : window; -} - -function attachToScrollParents(scrollParent, event, callback, scrollParents) { - var isBody = scrollParent.nodeName === 'BODY'; - var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent; - target.addEventListener(event, callback, { passive: true }); - - if (!isBody) { - attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents); - } - scrollParents.push(target); -} - -/** - * Setup needed event listeners used to update the popper position - * @method - * @memberof Popper.Utils - * @private - */ -function setupEventListeners(reference, options, state, updateBound) { - // Resize event listener on window - state.updateBound = updateBound; - getWindow(reference).addEventListener('resize', state.updateBound, { passive: true }); - - // Scroll event listener on scroll parents - var scrollElement = getScrollParent(reference); - attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents); - state.scrollElement = scrollElement; - state.eventsEnabled = true; - - return state; -} - -/** - * It will add resize/scroll events and start recalculating - * position of the popper element when they are triggered. - * @method - * @memberof Popper - */ -function enableEventListeners() { - if (!this.state.eventsEnabled) { - this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate); - } -} - -/** - * Remove event listeners used to update the popper position - * @method - * @memberof Popper.Utils - * @private - */ -function removeEventListeners(reference, state) { - // Remove resize event listener on window - getWindow(reference).removeEventListener('resize', state.updateBound); - - // Remove scroll event listener on scroll parents - state.scrollParents.forEach(function (target) { - target.removeEventListener('scroll', state.updateBound); - }); - - // Reset state - state.updateBound = null; - state.scrollParents = []; - state.scrollElement = null; - state.eventsEnabled = false; - return state; -} - -/** - * It will remove resize/scroll events and won't recalculate popper position - * when they are triggered. It also won't trigger onUpdate callback anymore, - * unless you call `update` method manually. - * @method - * @memberof Popper - */ -function disableEventListeners() { - if (this.state.eventsEnabled) { - cancelAnimationFrame(this.scheduleUpdate); - this.state = removeEventListeners(this.reference, this.state); - } -} - -/** - * Tells if a given input is a number - * @method - * @memberof Popper.Utils - * @param {*} input to check - * @return {Boolean} - */ -function isNumeric(n) { - return n !== '' && !isNaN(parseFloat(n)) && isFinite(n); -} - -/** - * Set the style to the given popper - * @method - * @memberof Popper.Utils - * @argument {Element} element - Element to apply the style to - * @argument {Object} styles - * Object with a list of properties and values which will be applied to the element - */ -function setStyles(element, styles) { - Object.keys(styles).forEach(function (prop) { - var unit = ''; - // add unit if the value is numeric and is one of the following - if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) { - unit = 'px'; - } - element.style[prop] = styles[prop] + unit; - }); -} - -/** - * Set the attributes to the given popper - * @method - * @memberof Popper.Utils - * @argument {Element} element - Element to apply the attributes to - * @argument {Object} styles - * Object with a list of properties and values which will be applied to the element - */ -function setAttributes(element, attributes) { - Object.keys(attributes).forEach(function (prop) { - var value = attributes[prop]; - if (value !== false) { - element.setAttribute(prop, attributes[prop]); - } else { - element.removeAttribute(prop); - } - }); -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} data.styles - List of style properties - values to apply to popper element - * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The same data object - */ -function applyStyle(data) { - // any property present in `data.styles` will be applied to the popper, - // in this way we can make the 3rd party modifiers add custom styles to it - // Be aware, modifiers could override the properties defined in the previous - // lines of this modifier! - setStyles(data.instance.popper, data.styles); - - // any property present in `data.attributes` will be applied to the popper, - // they will be set as HTML attributes of the element - setAttributes(data.instance.popper, data.attributes); - - // if arrowElement is defined and arrowStyles has some properties - if (data.arrowElement && Object.keys(data.arrowStyles).length) { - setStyles(data.arrowElement, data.arrowStyles); - } - - return data; -} - -/** - * Set the x-placement attribute before everything else because it could be used - * to add margins to the popper margins needs to be calculated to get the - * correct popper offsets. - * @method - * @memberof Popper.modifiers - * @param {HTMLElement} reference - The reference element used to position the popper - * @param {HTMLElement} popper - The HTML element used as popper. - * @param {Object} options - Popper.js options - */ -function applyStyleOnLoad(reference, popper, options, modifierOptions, state) { - // compute reference element offsets - var referenceOffsets = getReferenceOffsets(state, popper, reference); - - // compute auto placement, store placement inside the data object, - // modifiers will be able to edit `placement` if needed - // and refer to originalPlacement to know the original value - var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding); - - popper.setAttribute('x-placement', placement); - - // Apply `position` to popper before anything else because - // without the position applied we can't guarantee correct computations - setStyles(popper, { position: 'absolute' }); - - return options; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function computeStyle(data, options) { - var x = options.x, - y = options.y; - var popper = data.offsets.popper; - - // Remove this legacy support in Popper.js v2 - - var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) { - return modifier.name === 'applyStyle'; - }).gpuAcceleration; - if (legacyGpuAccelerationOption !== undefined) { - console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!'); - } - var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration; - - var offsetParent = getOffsetParent(data.instance.popper); - var offsetParentRect = getBoundingClientRect(offsetParent); - - // Styles - var styles = { - position: popper.position - }; - - // floor sides to avoid blurry text - var offsets = { - left: Math.floor(popper.left), - top: Math.floor(popper.top), - bottom: Math.floor(popper.bottom), - right: Math.floor(popper.right) - }; - - var sideA = x === 'bottom' ? 'top' : 'bottom'; - var sideB = y === 'right' ? 'left' : 'right'; - - // if gpuAcceleration is set to `true` and transform is supported, - // we use `translate3d` to apply the position to the popper we - // automatically use the supported prefixed version if needed - var prefixedProperty = getSupportedPropertyName('transform'); - - // now, let's make a step back and look at this code closely (wtf?) - // If the content of the popper grows once it's been positioned, it - // may happen that the popper gets misplaced because of the new content - // overflowing its reference element - // To avoid this problem, we provide two options (x and y), which allow - // the consumer to define the offset origin. - // If we position a popper on top of a reference element, we can set - // `x` to `top` to make the popper grow towards its top instead of - // its bottom. - var left = void 0, - top = void 0; - if (sideA === 'bottom') { - top = -offsetParentRect.height + offsets.bottom; - } else { - top = offsets.top; - } - if (sideB === 'right') { - left = -offsetParentRect.width + offsets.right; - } else { - left = offsets.left; - } - if (gpuAcceleration && prefixedProperty) { - styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)'; - styles[sideA] = 0; - styles[sideB] = 0; - styles.willChange = 'transform'; - } else { - // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties - var invertTop = sideA === 'bottom' ? -1 : 1; - var invertLeft = sideB === 'right' ? -1 : 1; - styles[sideA] = top * invertTop; - styles[sideB] = left * invertLeft; - styles.willChange = sideA + ', ' + sideB; - } - - // Attributes - var attributes = { - 'x-placement': data.placement - }; - - // Update `data` attributes, styles and arrowStyles - data.attributes = _extends$1({}, attributes, data.attributes); - data.styles = _extends$1({}, styles, data.styles); - data.arrowStyles = _extends$1({}, data.offsets.arrow, data.arrowStyles); - - return data; -} - -/** - * Helper used to know if the given modifier depends from another one.
    - * It checks if the needed modifier is listed and enabled. - * @method - * @memberof Popper.Utils - * @param {Array} modifiers - list of modifiers - * @param {String} requestingName - name of requesting modifier - * @param {String} requestedName - name of requested modifier - * @returns {Boolean} - */ -function isModifierRequired(modifiers, requestingName, requestedName) { - var requesting = find(modifiers, function (_ref) { - var name = _ref.name; - return name === requestingName; - }); - - var isRequired = !!requesting && modifiers.some(function (modifier) { - return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order; - }); - - if (!isRequired) { - var _requesting = '`' + requestingName + '`'; - var requested = '`' + requestedName + '`'; - console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!'); - } - return isRequired; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function arrow(data, options) { - var _data$offsets$arrow; - - // arrow depends on keepTogether in order to work - if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) { - return data; - } - - var arrowElement = options.element; - - // if arrowElement is a string, suppose it's a CSS selector - if (typeof arrowElement === 'string') { - arrowElement = data.instance.popper.querySelector(arrowElement); - - // if arrowElement is not found, don't run the modifier - if (!arrowElement) { - return data; - } - } else { - // if the arrowElement isn't a query selector we must check that the - // provided DOM node is child of its popper node - if (!data.instance.popper.contains(arrowElement)) { - console.warn('WARNING: `arrow.element` must be child of its popper element!'); - return data; - } - } - - var placement = data.placement.split('-')[0]; - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var isVertical = ['left', 'right'].indexOf(placement) !== -1; - - var len = isVertical ? 'height' : 'width'; - var sideCapitalized = isVertical ? 'Top' : 'Left'; - var side = sideCapitalized.toLowerCase(); - var altSide = isVertical ? 'left' : 'top'; - var opSide = isVertical ? 'bottom' : 'right'; - var arrowElementSize = getOuterSizes(arrowElement)[len]; - - // - // extends keepTogether behavior making sure the popper and its - // reference have enough pixels in conjuction - // - - // top/left side - if (reference[opSide] - arrowElementSize < popper[side]) { - data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize); - } - // bottom/right side - if (reference[side] + arrowElementSize > popper[opSide]) { - data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide]; - } - data.offsets.popper = getClientRect(data.offsets.popper); - - // compute center of the popper - var center = reference[side] + reference[len] / 2 - arrowElementSize / 2; - - // Compute the sideValue using the updated popper offsets - // take popper margin in account because we don't have this info available - var css = getStyleComputedProperty(data.instance.popper); - var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10); - var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10); - var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide; - - // prevent arrowElement from being placed not contiguously to its popper - sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0); - - data.arrowElement = arrowElement; - data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow); - - return data; -} - -/** - * Get the opposite placement variation of the given one - * @method - * @memberof Popper.Utils - * @argument {String} placement variation - * @returns {String} flipped placement variation - */ -function getOppositeVariation(variation) { - if (variation === 'end') { - return 'start'; - } else if (variation === 'start') { - return 'end'; - } - return variation; -} - -/** - * List of accepted placements to use as values of the `placement` option.
    - * Valid placements are: - * - `auto` - * - `top` - * - `right` - * - `bottom` - * - `left` - * - * Each placement can have a variation from this list: - * - `-start` - * - `-end` - * - * Variations are interpreted easily if you think of them as the left to right - * written languages. Horizontally (`top` and `bottom`), `start` is left and `end` - * is right.
    - * Vertically (`left` and `right`), `start` is top and `end` is bottom. - * - * Some valid examples are: - * - `top-end` (on top of reference, right aligned) - * - `right-start` (on right of reference, top aligned) - * - `bottom` (on bottom, centered) - * - `auto-right` (on the side with more space available, alignment depends by placement) - * - * @static - * @type {Array} - * @enum {String} - * @readonly - * @method placements - * @memberof Popper - */ -var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start']; - -// Get rid of `auto` `auto-start` and `auto-end` -var validPlacements = placements.slice(3); - -/** - * Given an initial placement, returns all the subsequent placements - * clockwise (or counter-clockwise). - * - * @method - * @memberof Popper.Utils - * @argument {String} placement - A valid placement (it accepts variations) - * @argument {Boolean} counter - Set to true to walk the placements counterclockwise - * @returns {Array} placements including their variations - */ -function clockwise(placement) { - var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; - - var index = validPlacements.indexOf(placement); - var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index)); - return counter ? arr.reverse() : arr; -} - -var BEHAVIORS = { - FLIP: 'flip', - CLOCKWISE: 'clockwise', - COUNTERCLOCKWISE: 'counterclockwise' -}; - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function flip(data, options) { - // if `inner` modifier is enabled, we can't use the `flip` modifier - if (isModifierEnabled(data.instance.modifiers, 'inner')) { - return data; - } - - if (data.flipped && data.placement === data.originalPlacement) { - // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides - return data; - } - - var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement); - - var placement = data.placement.split('-')[0]; - var placementOpposite = getOppositePlacement(placement); - var variation = data.placement.split('-')[1] || ''; - - var flipOrder = []; - - switch (options.behavior) { - case BEHAVIORS.FLIP: - flipOrder = [placement, placementOpposite]; - break; - case BEHAVIORS.CLOCKWISE: - flipOrder = clockwise(placement); - break; - case BEHAVIORS.COUNTERCLOCKWISE: - flipOrder = clockwise(placement, true); - break; - default: - flipOrder = options.behavior; - } - - flipOrder.forEach(function (step, index) { - if (placement !== step || flipOrder.length === index + 1) { - return data; - } - - placement = data.placement.split('-')[0]; - placementOpposite = getOppositePlacement(placement); - - var popperOffsets = data.offsets.popper; - var refOffsets = data.offsets.reference; - - // using floor because the reference offsets may contain decimals we are not going to consider here - var floor = Math.floor; - var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom); - - var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left); - var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right); - var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top); - var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom); - - var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom; - - // flip the variation if required - var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; - var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom); - - if (overlapsRef || overflowsBoundaries || flippedVariation) { - // this boolean to detect any flip loop - data.flipped = true; - - if (overlapsRef || overflowsBoundaries) { - placement = flipOrder[index + 1]; - } - - if (flippedVariation) { - variation = getOppositeVariation(variation); - } - - data.placement = placement + (variation ? '-' + variation : ''); - - // this object contains `position`, we want to preserve it along with - // any additional property we may add in the future - data.offsets.popper = _extends$1({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement)); - - data = runModifiers(data.instance.modifiers, data, 'flip'); - } - }); - return data; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function keepTogether(data) { - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var placement = data.placement.split('-')[0]; - var floor = Math.floor; - var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; - var side = isVertical ? 'right' : 'bottom'; - var opSide = isVertical ? 'left' : 'top'; - var measurement = isVertical ? 'width' : 'height'; - - if (popper[side] < floor(reference[opSide])) { - data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement]; - } - if (popper[opSide] > floor(reference[side])) { - data.offsets.popper[opSide] = floor(reference[side]); - } - - return data; -} - -/** - * Converts a string containing value + unit into a px value number - * @function - * @memberof {modifiers~offset} - * @private - * @argument {String} str - Value + unit string - * @argument {String} measurement - `height` or `width` - * @argument {Object} popperOffsets - * @argument {Object} referenceOffsets - * @returns {Number|String} - * Value in pixels, or original string if no values were extracted - */ -function toValue(str, measurement, popperOffsets, referenceOffsets) { - // separate value from unit - var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/); - var value = +split[1]; - var unit = split[2]; - - // If it's not a number it's an operator, I guess - if (!value) { - return str; - } - - if (unit.indexOf('%') === 0) { - var element = void 0; - switch (unit) { - case '%p': - element = popperOffsets; - break; - case '%': - case '%r': - default: - element = referenceOffsets; - } - - var rect = getClientRect(element); - return rect[measurement] / 100 * value; - } else if (unit === 'vh' || unit === 'vw') { - // if is a vh or vw, we calculate the size based on the viewport - var size = void 0; - if (unit === 'vh') { - size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0); - } else { - size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0); - } - return size / 100 * value; - } else { - // if is an explicit pixel unit, we get rid of the unit and keep the value - // if is an implicit unit, it's px, and we return just the value - return value; - } -} - -/** - * Parse an `offset` string to extrapolate `x` and `y` numeric offsets. - * @function - * @memberof {modifiers~offset} - * @private - * @argument {String} offset - * @argument {Object} popperOffsets - * @argument {Object} referenceOffsets - * @argument {String} basePlacement - * @returns {Array} a two cells array with x and y offsets in numbers - */ -function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) { - var offsets = [0, 0]; - - // Use height if placement is left or right and index is 0 otherwise use width - // in this way the first offset will use an axis and the second one - // will use the other one - var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1; - - // Split the offset string to obtain a list of values and operands - // The regex addresses values with the plus or minus sign in front (+10, -20, etc) - var fragments = offset.split(/(\+|\-)/).map(function (frag) { - return frag.trim(); - }); - - // Detect if the offset string contains a pair of values or a single one - // they could be separated by comma or space - var divider = fragments.indexOf(find(fragments, function (frag) { - return frag.search(/,|\s/) !== -1; - })); - - if (fragments[divider] && fragments[divider].indexOf(',') === -1) { - console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.'); - } - - // If divider is found, we divide the list of values and operands to divide - // them by ofset X and Y. - var splitRegex = /\s*,\s*|\s+/; - var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments]; - - // Convert the values with units to absolute pixels to allow our computations - ops = ops.map(function (op, index) { - // Most of the units rely on the orientation of the popper - var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width'; - var mergeWithPrevious = false; - return op - // This aggregates any `+` or `-` sign that aren't considered operators - // e.g.: 10 + +5 => [10, +, +5] - .reduce(function (a, b) { - if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) { - a[a.length - 1] = b; - mergeWithPrevious = true; - return a; - } else if (mergeWithPrevious) { - a[a.length - 1] += b; - mergeWithPrevious = false; - return a; - } else { - return a.concat(b); - } - }, []) - // Here we convert the string values into number values (in px) - .map(function (str) { - return toValue(str, measurement, popperOffsets, referenceOffsets); - }); - }); - - // Loop trough the offsets arrays and execute the operations - ops.forEach(function (op, index) { - op.forEach(function (frag, index2) { - if (isNumeric(frag)) { - offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1); - } - }); - }); - return offsets; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @argument {Number|String} options.offset=0 - * The offset value as described in the modifier description - * @returns {Object} The data object, properly modified - */ -function offset(data, _ref) { - var offset = _ref.offset; - var placement = data.placement, - _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var basePlacement = placement.split('-')[0]; - - var offsets = void 0; - if (isNumeric(+offset)) { - offsets = [+offset, 0]; - } else { - offsets = parseOffset(offset, popper, reference, basePlacement); - } - - if (basePlacement === 'left') { - popper.top += offsets[0]; - popper.left -= offsets[1]; - } else if (basePlacement === 'right') { - popper.top += offsets[0]; - popper.left += offsets[1]; - } else if (basePlacement === 'top') { - popper.left += offsets[0]; - popper.top -= offsets[1]; - } else if (basePlacement === 'bottom') { - popper.left += offsets[0]; - popper.top += offsets[1]; - } - - data.popper = popper; - return data; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function preventOverflow(data, options) { - var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper); - - // If offsetParent is the reference element, we really want to - // go one step up and use the next offsetParent as reference to - // avoid to make this modifier completely useless and look like broken - if (data.instance.reference === boundariesElement) { - boundariesElement = getOffsetParent(boundariesElement); - } - - var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement); - options.boundaries = boundaries; - - var order = options.priority; - var popper = data.offsets.popper; - - var check = { - primary: function primary(placement) { - var value = popper[placement]; - if (popper[placement] < boundaries[placement] && !options.escapeWithReference) { - value = Math.max(popper[placement], boundaries[placement]); - } - return defineProperty({}, placement, value); - }, - secondary: function secondary(placement) { - var mainSide = placement === 'right' ? 'left' : 'top'; - var value = popper[mainSide]; - if (popper[placement] > boundaries[placement] && !options.escapeWithReference) { - value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height)); - } - return defineProperty({}, mainSide, value); - } - }; - - order.forEach(function (placement) { - var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary'; - popper = _extends$1({}, popper, check[side](placement)); - }); - - data.offsets.popper = popper; - - return data; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function shift(data) { - var placement = data.placement; - var basePlacement = placement.split('-')[0]; - var shiftvariation = placement.split('-')[1]; - - // if shift shiftvariation is specified, run the modifier - if (shiftvariation) { - var _data$offsets = data.offsets, - reference = _data$offsets.reference, - popper = _data$offsets.popper; - - var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1; - var side = isVertical ? 'left' : 'top'; - var measurement = isVertical ? 'width' : 'height'; - - var shiftOffsets = { - start: defineProperty({}, side, reference[side]), - end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement]) - }; - - data.offsets.popper = _extends$1({}, popper, shiftOffsets[shiftvariation]); - } - - return data; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function hide(data) { - if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) { - return data; - } - - var refRect = data.offsets.reference; - var bound = find(data.instance.modifiers, function (modifier) { - return modifier.name === 'preventOverflow'; - }).boundaries; - - if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) { - // Avoid unnecessary DOM access if visibility hasn't changed - if (data.hide === true) { - return data; - } - - data.hide = true; - data.attributes['x-out-of-boundaries'] = ''; - } else { - // Avoid unnecessary DOM access if visibility hasn't changed - if (data.hide === false) { - return data; - } - - data.hide = false; - data.attributes['x-out-of-boundaries'] = false; - } - - return data; -} - -/** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ -function inner(data) { - var placement = data.placement; - var basePlacement = placement.split('-')[0]; - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1; - - var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1; - - popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0); - - data.placement = getOppositePlacement(placement); - data.offsets.popper = getClientRect(popper); - - return data; -} - -/** - * Modifier function, each modifier can have a function of this type assigned - * to its `fn` property.
    - * These functions will be called on each update, this means that you must - * make sure they are performant enough to avoid performance bottlenecks. - * - * @function ModifierFn - * @argument {dataObject} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {dataObject} The data object, properly modified - */ - -/** - * Modifiers are plugins used to alter the behavior of your poppers.
    - * Popper.js uses a set of 9 modifiers to provide all the basic functionalities - * needed by the library. - * - * Usually you don't want to override the `order`, `fn` and `onLoad` props. - * All the other properties are configurations that could be tweaked. - * @namespace modifiers - */ -var modifiers = { - /** - * Modifier used to shift the popper on the start or end of its reference - * element.
    - * It will read the variation of the `placement` property.
    - * It can be one either `-end` or `-start`. - * @memberof modifiers - * @inner - */ - shift: { - /** @prop {number} order=100 - Index used to define the order of execution */ - order: 100, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: shift - }, - - /** - * The `offset` modifier can shift your popper on both its axis. - * - * It accepts the following units: - * - `px` or unitless, interpreted as pixels - * - `%` or `%r`, percentage relative to the length of the reference element - * - `%p`, percentage relative to the length of the popper element - * - `vw`, CSS viewport width unit - * - `vh`, CSS viewport height unit - * - * For length is intended the main axis relative to the placement of the popper.
    - * This means that if the placement is `top` or `bottom`, the length will be the - * `width`. In case of `left` or `right`, it will be the height. - * - * You can provide a single value (as `Number` or `String`), or a pair of values - * as `String` divided by a comma or one (or more) white spaces.
    - * The latter is a deprecated method because it leads to confusion and will be - * removed in v2.
    - * Additionally, it accepts additions and subtractions between different units. - * Note that multiplications and divisions aren't supported. - * - * Valid examples are: - * ``` - * 10 - * '10%' - * '10, 10' - * '10%, 10' - * '10 + 10%' - * '10 - 5vh + 3%' - * '-10px + 5vh, 5px - 6%' - * ``` - * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap - * > with their reference element, unfortunately, you will have to disable the `flip` modifier. - * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373) - * - * @memberof modifiers - * @inner - */ - offset: { - /** @prop {number} order=200 - Index used to define the order of execution */ - order: 200, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: offset, - /** @prop {Number|String} offset=0 - * The offset value as described in the modifier description - */ - offset: 0 - }, - - /** - * Modifier used to prevent the popper from being positioned outside the boundary. - * - * An scenario exists where the reference itself is not within the boundaries.
    - * We can say it has "escaped the boundaries" — or just "escaped".
    - * In this case we need to decide whether the popper should either: - * - * - detach from the reference and remain "trapped" in the boundaries, or - * - if it should ignore the boundary and "escape with its reference" - * - * When `escapeWithReference` is set to`true` and reference is completely - * outside its boundaries, the popper will overflow (or completely leave) - * the boundaries in order to remain attached to the edge of the reference. - * - * @memberof modifiers - * @inner - */ - preventOverflow: { - /** @prop {number} order=300 - Index used to define the order of execution */ - order: 300, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: preventOverflow, - /** - * @prop {Array} [priority=['left','right','top','bottom']] - * Popper will try to prevent overflow following these priorities by default, - * then, it could overflow on the left and on top of the `boundariesElement` - */ - priority: ['left', 'right', 'top', 'bottom'], - /** - * @prop {number} padding=5 - * Amount of pixel used to define a minimum distance between the boundaries - * and the popper this makes sure the popper has always a little padding - * between the edges of its container - */ - padding: 5, - /** - * @prop {String|HTMLElement} boundariesElement='scrollParent' - * Boundaries used by the modifier, can be `scrollParent`, `window`, - * `viewport` or any DOM element. - */ - boundariesElement: 'scrollParent' - }, - - /** - * Modifier used to make sure the reference and its popper stay near eachothers - * without leaving any gap between the two. Expecially useful when the arrow is - * enabled and you want to assure it to point to its reference element. - * It cares only about the first axis, you can still have poppers with margin - * between the popper and its reference element. - * @memberof modifiers - * @inner - */ - keepTogether: { - /** @prop {number} order=400 - Index used to define the order of execution */ - order: 400, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: keepTogether - }, - - /** - * This modifier is used to move the `arrowElement` of the popper to make - * sure it is positioned between the reference element and its popper element. - * It will read the outer size of the `arrowElement` node to detect how many - * pixels of conjuction are needed. - * - * It has no effect if no `arrowElement` is provided. - * @memberof modifiers - * @inner - */ - arrow: { - /** @prop {number} order=500 - Index used to define the order of execution */ - order: 500, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: arrow, - /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */ - element: '[x-arrow]' - }, - - /** - * Modifier used to flip the popper's placement when it starts to overlap its - * reference element. - * - * Requires the `preventOverflow` modifier before it in order to work. - * - * **NOTE:** this modifier will interrupt the current update cycle and will - * restart it if it detects the need to flip the placement. - * @memberof modifiers - * @inner - */ - flip: { - /** @prop {number} order=600 - Index used to define the order of execution */ - order: 600, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: flip, - /** - * @prop {String|Array} behavior='flip' - * The behavior used to change the popper's placement. It can be one of - * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid - * placements (with optional variations). - */ - behavior: 'flip', - /** - * @prop {number} padding=5 - * The popper will flip if it hits the edges of the `boundariesElement` - */ - padding: 5, - /** - * @prop {String|HTMLElement} boundariesElement='viewport' - * The element which will define the boundaries of the popper position, - * the popper will never be placed outside of the defined boundaries - * (except if keepTogether is enabled) - */ - boundariesElement: 'viewport' - }, - - /** - * Modifier used to make the popper flow toward the inner of the reference element. - * By default, when this modifier is disabled, the popper will be placed outside - * the reference element. - * @memberof modifiers - * @inner - */ - inner: { - /** @prop {number} order=700 - Index used to define the order of execution */ - order: 700, - /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */ - enabled: false, - /** @prop {ModifierFn} */ - fn: inner - }, - - /** - * Modifier used to hide the popper when its reference element is outside of the - * popper boundaries. It will set a `x-out-of-boundaries` attribute which can - * be used to hide with a CSS selector the popper when its reference is - * out of boundaries. - * - * Requires the `preventOverflow` modifier before it in order to work. - * @memberof modifiers - * @inner - */ - hide: { - /** @prop {number} order=800 - Index used to define the order of execution */ - order: 800, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: hide - }, - - /** - * Computes the style that will be applied to the popper element to gets - * properly positioned. - * - * Note that this modifier will not touch the DOM, it just prepares the styles - * so that `applyStyle` modifier can apply it. This separation is useful - * in case you need to replace `applyStyle` with a custom implementation. - * - * This modifier has `850` as `order` value to maintain backward compatibility - * with previous versions of Popper.js. Expect the modifiers ordering method - * to change in future major versions of the library. - * - * @memberof modifiers - * @inner - */ - computeStyle: { - /** @prop {number} order=850 - Index used to define the order of execution */ - order: 850, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: computeStyle, - /** - * @prop {Boolean} gpuAcceleration=true - * If true, it uses the CSS 3d transformation to position the popper. - * Otherwise, it will use the `top` and `left` properties. - */ - gpuAcceleration: true, - /** - * @prop {string} [x='bottom'] - * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin. - * Change this if your popper should grow in a direction different from `bottom` - */ - x: 'bottom', - /** - * @prop {string} [x='left'] - * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin. - * Change this if your popper should grow in a direction different from `right` - */ - y: 'right' - }, - - /** - * Applies the computed styles to the popper element. - * - * All the DOM manipulations are limited to this modifier. This is useful in case - * you want to integrate Popper.js inside a framework or view library and you - * want to delegate all the DOM manipulations to it. - * - * Note that if you disable this modifier, you must make sure the popper element - * has its position set to `absolute` before Popper.js can do its work! - * - * Just disable this modifier and define you own to achieve the desired effect. - * - * @memberof modifiers - * @inner - */ - applyStyle: { - /** @prop {number} order=900 - Index used to define the order of execution */ - order: 900, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: applyStyle, - /** @prop {Function} */ - onLoad: applyStyleOnLoad, - /** - * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier - * @prop {Boolean} gpuAcceleration=true - * If true, it uses the CSS 3d transformation to position the popper. - * Otherwise, it will use the `top` and `left` properties. - */ - gpuAcceleration: undefined - } -}; - -/** - * The `dataObject` is an object containing all the informations used by Popper.js - * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks. - * @name dataObject - * @property {Object} data.instance The Popper.js instance - * @property {String} data.placement Placement applied to popper - * @property {String} data.originalPlacement Placement originally defined on init - * @property {Boolean} data.flipped True if popper has been flipped by flip modifier - * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper. - * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier - * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`) - * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`) - * @property {Object} data.boundaries Offsets of the popper boundaries - * @property {Object} data.offsets The measurements of popper, reference and arrow elements. - * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values - * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values - * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0 - */ - -/** - * Default options provided to Popper.js constructor.
    - * These can be overriden using the `options` argument of Popper.js.
    - * To override an option, simply pass as 3rd argument an object with the same - * structure of this object, example: - * ``` - * new Popper(ref, pop, { - * modifiers: { - * preventOverflow: { enabled: false } - * } - * }) - * ``` - * @type {Object} - * @static - * @memberof Popper - */ -var Defaults = { - /** - * Popper's placement - * @prop {Popper.placements} placement='bottom' - */ - placement: 'bottom', - - /** - * Whether events (resize, scroll) are initially enabled - * @prop {Boolean} eventsEnabled=true - */ - eventsEnabled: true, - - /** - * Set to true if you want to automatically remove the popper when - * you call the `destroy` method. - * @prop {Boolean} removeOnDestroy=false - */ - removeOnDestroy: false, - - /** - * Callback called when the popper is created.
    - * By default, is set to no-op.
    - * Access Popper.js instance with `data.instance`. - * @prop {onCreate} - */ - onCreate: function onCreate() {}, - - /** - * Callback called when the popper is updated, this callback is not called - * on the initialization/creation of the popper, but only on subsequent - * updates.
    - * By default, is set to no-op.
    - * Access Popper.js instance with `data.instance`. - * @prop {onUpdate} - */ - onUpdate: function onUpdate() {}, - - /** - * List of modifiers used to modify the offsets before they are applied to the popper. - * They provide most of the functionalities of Popper.js - * @prop {modifiers} - */ - modifiers: modifiers -}; - -/** - * @callback onCreate - * @param {dataObject} data - */ - -/** - * @callback onUpdate - * @param {dataObject} data - */ - -// Utils -// Methods -var Popper = function () { - /** - * Create a new Popper.js instance - * @class Popper - * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper - * @param {HTMLElement} popper - The HTML element used as popper. - * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults) - * @return {Object} instance - The generated Popper.js instance - */ - function Popper(reference, popper) { - var _this = this; - - var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; - classCallCheck(this, Popper); - - this.scheduleUpdate = function () { - return requestAnimationFrame(_this.update); - }; - - // make update() debounced, so that it only runs at most once-per-tick - this.update = debounce(this.update.bind(this)); - - // with {} we create a new object with the options inside it - this.options = _extends$1({}, Popper.Defaults, options); - - // init state - this.state = { - isDestroyed: false, - isCreated: false, - scrollParents: [] - }; - - // get reference and popper elements (allow jQuery wrappers) - this.reference = reference && reference.jquery ? reference[0] : reference; - this.popper = popper && popper.jquery ? popper[0] : popper; - - // Deep merge modifiers options - this.options.modifiers = {}; - Object.keys(_extends$1({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) { - _this.options.modifiers[name] = _extends$1({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {}); - }); - - // Refactoring modifiers' list (Object => Array) - this.modifiers = Object.keys(this.options.modifiers).map(function (name) { - return _extends$1({ - name: name - }, _this.options.modifiers[name]); - }) - // sort the modifiers by order - .sort(function (a, b) { - return a.order - b.order; - }); - - // modifiers have the ability to execute arbitrary code when Popper.js get inited - // such code is executed in the same order of its modifier - // they could add new properties to their options configuration - // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`! - this.modifiers.forEach(function (modifierOptions) { - if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) { - modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state); - } - }); - - // fire the first update to position the popper in the right place - this.update(); - - var eventsEnabled = this.options.eventsEnabled; - if (eventsEnabled) { - // setup event listeners, they will take care of update the position in specific situations - this.enableEventListeners(); - } - - this.state.eventsEnabled = eventsEnabled; - } - - // We can't use class properties because they don't get listed in the - // class prototype and break stuff like Sinon stubs - - - createClass(Popper, [{ - key: 'update', - value: function update$$1() { - return update.call(this); - } - }, { - key: 'destroy', - value: function destroy$$1() { - return destroy.call(this); - } - }, { - key: 'enableEventListeners', - value: function enableEventListeners$$1() { - return enableEventListeners.call(this); - } - }, { - key: 'disableEventListeners', - value: function disableEventListeners$$1() { - return disableEventListeners.call(this); - } - - /** - * Schedule an update, it will run on the next UI update available - * @method scheduleUpdate - * @memberof Popper - */ - - - /** - * Collection of utilities useful when writing custom modifiers. - * Starting from version 1.7, this method is available only if you - * include `popper-utils.js` before `popper.js`. - * - * **DEPRECATION**: This way to access PopperUtils is deprecated - * and will be removed in v2! Use the PopperUtils module directly instead. - * Due to the high instability of the methods contained in Utils, we can't - * guarantee them to follow semver. Use them at your own risk! - * @static - * @private - * @type {Object} - * @deprecated since version 1.8 - * @member Utils - * @memberof Popper - */ - - }]); - return Popper; -}(); - -/** - * The `referenceObject` is an object that provides an interface compatible with Popper.js - * and lets you use it as replacement of a real DOM node.
    - * You can use this method to position a popper relatively to a set of coordinates - * in case you don't have a DOM node to use as reference. - * - * ``` - * new Popper(referenceObject, popperNode); - * ``` - * - * NB: This feature isn't supported in Internet Explorer 10 - * @name referenceObject - * @property {Function} data.getBoundingClientRect - * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method. - * @property {number} data.clientWidth - * An ES6 getter that will return the width of the virtual reference element. - * @property {number} data.clientHeight - * An ES6 getter that will return the height of the virtual reference element. - */ - - -Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils; -Popper.placements = placements; -Popper.Defaults = Defaults; - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): dropdown.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Dropdown = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'dropdown'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.dropdown'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key - - var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key - - var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key - - var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key - - var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key - - var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse) - - var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE); - var Event = { - HIDE: "hide" + EVENT_KEY, - HIDDEN: "hidden" + EVENT_KEY, - SHOW: "show" + EVENT_KEY, - SHOWN: "shown" + EVENT_KEY, - CLICK: "click" + EVENT_KEY, - CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY, - KEYDOWN_DATA_API: "keydown" + EVENT_KEY + DATA_API_KEY, - KEYUP_DATA_API: "keyup" + EVENT_KEY + DATA_API_KEY - }; - var ClassName = { - DISABLED: 'disabled', - SHOW: 'show', - DROPUP: 'dropup', - DROPRIGHT: 'dropright', - DROPLEFT: 'dropleft', - MENURIGHT: 'dropdown-menu-right', - MENULEFT: 'dropdown-menu-left', - POSITION_STATIC: 'position-static' - }; - var Selector = { - DATA_TOGGLE: '[data-toggle="dropdown"]', - FORM_CHILD: '.dropdown form', - MENU: '.dropdown-menu', - NAVBAR_NAV: '.navbar-nav', - VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)' - }; - var AttachmentMap = { - TOP: 'top-start', - TOPEND: 'top-end', - BOTTOM: 'bottom-start', - BOTTOMEND: 'bottom-end', - RIGHT: 'right-start', - RIGHTEND: 'right-end', - LEFT: 'left-start', - LEFTEND: 'left-end' - }; - var Default = { - offset: 0, - flip: true, - boundary: 'scrollParent' - }; - var DefaultType = { - offset: '(number|string|function)', - flip: 'boolean', - boundary: '(string|element)' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Dropdown = - /*#__PURE__*/ - function () { - function Dropdown(element, config) { - this._element = element; - this._popper = null; - this._config = this._getConfig(config); - this._menu = this._getMenuElement(); - this._inNavbar = this._detectNavbar(); - - this._addEventListeners(); - } // Getters - - - var _proto = Dropdown.prototype; - - // Public - _proto.toggle = function toggle() { - if (this._element.disabled || $$$1(this._element).hasClass(ClassName.DISABLED)) { - return; - } - - var parent = Dropdown._getParentFromElement(this._element); - - var isActive = $$$1(this._menu).hasClass(ClassName.SHOW); - - Dropdown._clearMenus(); - - if (isActive) { - return; - } - - var relatedTarget = { - relatedTarget: this._element - }; - var showEvent = $$$1.Event(Event.SHOW, relatedTarget); - $$$1(parent).trigger(showEvent); - - if (showEvent.isDefaultPrevented()) { - return; - } // Disable totally Popper.js for Dropdown in Navbar - - - if (!this._inNavbar) { - /** - * Check for Popper dependency - * Popper - https://popper.js.org - */ - if (typeof Popper === 'undefined') { - throw new TypeError('Bootstrap dropdown require Popper.js (https://popper.js.org)'); - } - - var element = this._element; // For dropup with alignment we use the parent as popper container - - if ($$$1(parent).hasClass(ClassName.DROPUP)) { - if ($$$1(this._menu).hasClass(ClassName.MENULEFT) || $$$1(this._menu).hasClass(ClassName.MENURIGHT)) { - element = parent; - } - } // If boundary is not `scrollParent`, then set position to `static` - // to allow the menu to "escape" the scroll parent's boundaries - // https://github.com/twbs/bootstrap/issues/24251 - - - if (this._config.boundary !== 'scrollParent') { - $$$1(parent).addClass(ClassName.POSITION_STATIC); - } - - this._popper = new Popper(element, this._menu, this._getPopperConfig()); - } // If this is a touch-enabled device we add extra - // empty mouseover listeners to the body's immediate children; - // only needed because of broken event delegation on iOS - // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html - - - if ('ontouchstart' in document.documentElement && $$$1(parent).closest(Selector.NAVBAR_NAV).length === 0) { - $$$1('body').children().on('mouseover', null, $$$1.noop); - } - - this._element.focus(); - - this._element.setAttribute('aria-expanded', true); - - $$$1(this._menu).toggleClass(ClassName.SHOW); - $$$1(parent).toggleClass(ClassName.SHOW).trigger($$$1.Event(Event.SHOWN, relatedTarget)); - }; - - _proto.dispose = function dispose() { - $$$1.removeData(this._element, DATA_KEY); - $$$1(this._element).off(EVENT_KEY); - this._element = null; - this._menu = null; - - if (this._popper !== null) { - this._popper.destroy(); - - this._popper = null; - } - }; - - _proto.update = function update() { - this._inNavbar = this._detectNavbar(); - - if (this._popper !== null) { - this._popper.scheduleUpdate(); - } - }; // Private - - - _proto._addEventListeners = function _addEventListeners() { - var _this = this; - - $$$1(this._element).on(Event.CLICK, function (event) { - event.preventDefault(); - event.stopPropagation(); - - _this.toggle(); - }); - }; - - _proto._getConfig = function _getConfig(config) { - config = _extends({}, this.constructor.Default, $$$1(this._element).data(), config); - Util.typeCheckConfig(NAME, config, this.constructor.DefaultType); - return config; - }; - - _proto._getMenuElement = function _getMenuElement() { - if (!this._menu) { - var parent = Dropdown._getParentFromElement(this._element); - - this._menu = $$$1(parent).find(Selector.MENU)[0]; - } - - return this._menu; - }; - - _proto._getPlacement = function _getPlacement() { - var $parentDropdown = $$$1(this._element).parent(); - var placement = AttachmentMap.BOTTOM; // Handle dropup - - if ($parentDropdown.hasClass(ClassName.DROPUP)) { - placement = AttachmentMap.TOP; - - if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) { - placement = AttachmentMap.TOPEND; - } - } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) { - placement = AttachmentMap.RIGHT; - } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) { - placement = AttachmentMap.LEFT; - } else if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) { - placement = AttachmentMap.BOTTOMEND; - } - - return placement; - }; - - _proto._detectNavbar = function _detectNavbar() { - return $$$1(this._element).closest('.navbar').length > 0; - }; - - _proto._getPopperConfig = function _getPopperConfig() { - var _this2 = this; - - var offsetConf = {}; - - if (typeof this._config.offset === 'function') { - offsetConf.fn = function (data) { - data.offsets = _extends({}, data.offsets, _this2._config.offset(data.offsets) || {}); - return data; - }; - } else { - offsetConf.offset = this._config.offset; - } - - var popperConfig = { - placement: this._getPlacement(), - modifiers: { - offset: offsetConf, - flip: { - enabled: this._config.flip - }, - preventOverflow: { - boundariesElement: this._config.boundary - } - } - }; - return popperConfig; - }; // Static - - - Dropdown._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var data = $$$1(this).data(DATA_KEY); - - var _config = typeof config === 'object' ? config : null; - - if (!data) { - data = new Dropdown(this, _config); - $$$1(this).data(DATA_KEY, data); - } - - if (typeof config === 'string') { - if (typeof data[config] === 'undefined') { - throw new TypeError("No method named \"" + config + "\""); - } - - data[config](); - } - }); - }; - - Dropdown._clearMenus = function _clearMenus(event) { - if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) { - return; - } - - var toggles = $$$1.makeArray($$$1(Selector.DATA_TOGGLE)); - - for (var i = 0; i < toggles.length; i++) { - var parent = Dropdown._getParentFromElement(toggles[i]); - - var context = $$$1(toggles[i]).data(DATA_KEY); - var relatedTarget = { - relatedTarget: toggles[i] - }; - - if (!context) { - continue; - } - - var dropdownMenu = context._menu; - - if (!$$$1(parent).hasClass(ClassName.SHOW)) { - continue; - } - - if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $$$1.contains(parent, event.target)) { - continue; - } - - var hideEvent = $$$1.Event(Event.HIDE, relatedTarget); - $$$1(parent).trigger(hideEvent); - - if (hideEvent.isDefaultPrevented()) { - continue; - } // If this is a touch-enabled device we remove the extra - // empty mouseover listeners we added for iOS support - - - if ('ontouchstart' in document.documentElement) { - $$$1('body').children().off('mouseover', null, $$$1.noop); - } - - toggles[i].setAttribute('aria-expanded', 'false'); - $$$1(dropdownMenu).removeClass(ClassName.SHOW); - $$$1(parent).removeClass(ClassName.SHOW).trigger($$$1.Event(Event.HIDDEN, relatedTarget)); - } - }; - - Dropdown._getParentFromElement = function _getParentFromElement(element) { - var parent; - var selector = Util.getSelectorFromElement(element); - - if (selector) { - parent = $$$1(selector)[0]; - } - - return parent || element.parentNode; - }; // eslint-disable-next-line complexity - - - Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) { - // If not input/textarea: - // - And not a key in REGEXP_KEYDOWN => not a dropdown command - // If input/textarea: - // - If space key => not a dropdown command - // - If key is other than escape - // - If key is not up or down => not a dropdown command - // - If trigger inside the menu => not a dropdown command - if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $$$1(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) { - return; - } - - event.preventDefault(); - event.stopPropagation(); - - if (this.disabled || $$$1(this).hasClass(ClassName.DISABLED)) { - return; - } - - var parent = Dropdown._getParentFromElement(this); - - var isActive = $$$1(parent).hasClass(ClassName.SHOW); - - if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) { - if (event.which === ESCAPE_KEYCODE) { - var toggle = $$$1(parent).find(Selector.DATA_TOGGLE)[0]; - $$$1(toggle).trigger('focus'); - } - - $$$1(this).trigger('click'); - return; - } - - var items = $$$1(parent).find(Selector.VISIBLE_ITEMS).get(); - - if (items.length === 0) { - return; - } - - var index = items.indexOf(event.target); - - if (event.which === ARROW_UP_KEYCODE && index > 0) { - // Up - index--; - } - - if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { - // Down - index++; - } - - if (index < 0) { - index = 0; - } - - items[index].focus(); - }; - - _createClass(Dropdown, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }, { - key: "Default", - get: function get() { - return Default; - } - }, { - key: "DefaultType", - get: function get() { - return DefaultType; - } - }]); - return Dropdown; - }(); - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - - $$$1(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + " " + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { - event.preventDefault(); - event.stopPropagation(); - - Dropdown._jQueryInterface.call($$$1(this), 'toggle'); - }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) { - e.stopPropagation(); - }); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $$$1.fn[NAME] = Dropdown._jQueryInterface; - $$$1.fn[NAME].Constructor = Dropdown; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Dropdown._jQueryInterface; - }; - - return Dropdown; -}($, Popper); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): modal.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Modal = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'modal'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.modal'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var TRANSITION_DURATION = 300; - var BACKDROP_TRANSITION_DURATION = 150; - var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key - - var Default = { - backdrop: true, - keyboard: true, - focus: true, - show: true - }; - var DefaultType = { - backdrop: '(boolean|string)', - keyboard: 'boolean', - focus: 'boolean', - show: 'boolean' - }; - var Event = { - HIDE: "hide" + EVENT_KEY, - HIDDEN: "hidden" + EVENT_KEY, - SHOW: "show" + EVENT_KEY, - SHOWN: "shown" + EVENT_KEY, - FOCUSIN: "focusin" + EVENT_KEY, - RESIZE: "resize" + EVENT_KEY, - CLICK_DISMISS: "click.dismiss" + EVENT_KEY, - KEYDOWN_DISMISS: "keydown.dismiss" + EVENT_KEY, - MOUSEUP_DISMISS: "mouseup.dismiss" + EVENT_KEY, - MOUSEDOWN_DISMISS: "mousedown.dismiss" + EVENT_KEY, - CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY - }; - var ClassName = { - SCROLLBAR_MEASURER: 'modal-scrollbar-measure', - BACKDROP: 'modal-backdrop', - OPEN: 'modal-open', - FADE: 'fade', - SHOW: 'show' - }; - var Selector = { - DIALOG: '.modal-dialog', - DATA_TOGGLE: '[data-toggle="modal"]', - DATA_DISMISS: '[data-dismiss="modal"]', - FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top', - STICKY_CONTENT: '.sticky-top', - NAVBAR_TOGGLER: '.navbar-toggler' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Modal = - /*#__PURE__*/ - function () { - function Modal(element, config) { - this._config = this._getConfig(config); - this._element = element; - this._dialog = $$$1(element).find(Selector.DIALOG)[0]; - this._backdrop = null; - this._isShown = false; - this._isBodyOverflowing = false; - this._ignoreBackdropClick = false; - this._originalBodyPadding = 0; - this._scrollbarWidth = 0; - } // Getters - - - var _proto = Modal.prototype; - - // Public - _proto.toggle = function toggle(relatedTarget) { - return this._isShown ? this.hide() : this.show(relatedTarget); - }; - - _proto.show = function show(relatedTarget) { - var _this = this; - - if (this._isTransitioning || this._isShown) { - return; - } - - if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE)) { - this._isTransitioning = true; - } - - var showEvent = $$$1.Event(Event.SHOW, { - relatedTarget: relatedTarget - }); - $$$1(this._element).trigger(showEvent); - - if (this._isShown || showEvent.isDefaultPrevented()) { - return; - } - - this._isShown = true; - - this._checkScrollbar(); - - this._setScrollbar(); - - this._adjustDialog(); - - $$$1(document.body).addClass(ClassName.OPEN); - - this._setEscapeEvent(); - - this._setResizeEvent(); - - $$$1(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) { - return _this.hide(event); - }); - $$$1(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () { - $$$1(_this._element).one(Event.MOUSEUP_DISMISS, function (event) { - if ($$$1(event.target).is(_this._element)) { - _this._ignoreBackdropClick = true; - } - }); - }); - - this._showBackdrop(function () { - return _this._showElement(relatedTarget); - }); - }; - - _proto.hide = function hide(event) { - var _this2 = this; - - if (event) { - event.preventDefault(); - } - - if (this._isTransitioning || !this._isShown) { - return; - } - - var hideEvent = $$$1.Event(Event.HIDE); - $$$1(this._element).trigger(hideEvent); - - if (!this._isShown || hideEvent.isDefaultPrevented()) { - return; - } - - this._isShown = false; - var transition = Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE); - - if (transition) { - this._isTransitioning = true; - } - - this._setEscapeEvent(); - - this._setResizeEvent(); - - $$$1(document).off(Event.FOCUSIN); - $$$1(this._element).removeClass(ClassName.SHOW); - $$$1(this._element).off(Event.CLICK_DISMISS); - $$$1(this._dialog).off(Event.MOUSEDOWN_DISMISS); - - if (transition) { - $$$1(this._element).one(Util.TRANSITION_END, function (event) { - return _this2._hideModal(event); - }).emulateTransitionEnd(TRANSITION_DURATION); - } else { - this._hideModal(); - } - }; - - _proto.dispose = function dispose() { - $$$1.removeData(this._element, DATA_KEY); - $$$1(window, document, this._element, this._backdrop).off(EVENT_KEY); - this._config = null; - this._element = null; - this._dialog = null; - this._backdrop = null; - this._isShown = null; - this._isBodyOverflowing = null; - this._ignoreBackdropClick = null; - this._scrollbarWidth = null; - }; - - _proto.handleUpdate = function handleUpdate() { - this._adjustDialog(); - }; // Private - - - _proto._getConfig = function _getConfig(config) { - config = _extends({}, Default, config); - Util.typeCheckConfig(NAME, config, DefaultType); - return config; - }; - - _proto._showElement = function _showElement(relatedTarget) { - var _this3 = this; - - var transition = Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE); - - if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) { - // Don't move modal's DOM position - document.body.appendChild(this._element); - } - - this._element.style.display = 'block'; - - this._element.removeAttribute('aria-hidden'); - - this._element.scrollTop = 0; - - if (transition) { - Util.reflow(this._element); - } - - $$$1(this._element).addClass(ClassName.SHOW); - - if (this._config.focus) { - this._enforceFocus(); - } - - var shownEvent = $$$1.Event(Event.SHOWN, { - relatedTarget: relatedTarget - }); - - var transitionComplete = function transitionComplete() { - if (_this3._config.focus) { - _this3._element.focus(); - } - - _this3._isTransitioning = false; - $$$1(_this3._element).trigger(shownEvent); - }; - - if (transition) { - $$$1(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(TRANSITION_DURATION); - } else { - transitionComplete(); - } - }; - - _proto._enforceFocus = function _enforceFocus() { - var _this4 = this; - - $$$1(document).off(Event.FOCUSIN) // Guard against infinite focus loop - .on(Event.FOCUSIN, function (event) { - if (document !== event.target && _this4._element !== event.target && $$$1(_this4._element).has(event.target).length === 0) { - _this4._element.focus(); - } - }); - }; - - _proto._setEscapeEvent = function _setEscapeEvent() { - var _this5 = this; - - if (this._isShown && this._config.keyboard) { - $$$1(this._element).on(Event.KEYDOWN_DISMISS, function (event) { - if (event.which === ESCAPE_KEYCODE) { - event.preventDefault(); - - _this5.hide(); - } - }); - } else if (!this._isShown) { - $$$1(this._element).off(Event.KEYDOWN_DISMISS); - } - }; - - _proto._setResizeEvent = function _setResizeEvent() { - var _this6 = this; - - if (this._isShown) { - $$$1(window).on(Event.RESIZE, function (event) { - return _this6.handleUpdate(event); - }); - } else { - $$$1(window).off(Event.RESIZE); - } - }; - - _proto._hideModal = function _hideModal() { - var _this7 = this; - - this._element.style.display = 'none'; - - this._element.setAttribute('aria-hidden', true); - - this._isTransitioning = false; - - this._showBackdrop(function () { - $$$1(document.body).removeClass(ClassName.OPEN); - - _this7._resetAdjustments(); - - _this7._resetScrollbar(); - - $$$1(_this7._element).trigger(Event.HIDDEN); - }); - }; - - _proto._removeBackdrop = function _removeBackdrop() { - if (this._backdrop) { - $$$1(this._backdrop).remove(); - this._backdrop = null; - } - }; - - _proto._showBackdrop = function _showBackdrop(callback) { - var _this8 = this; - - var animate = $$$1(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : ''; - - if (this._isShown && this._config.backdrop) { - var doAnimate = Util.supportsTransitionEnd() && animate; - this._backdrop = document.createElement('div'); - this._backdrop.className = ClassName.BACKDROP; - - if (animate) { - $$$1(this._backdrop).addClass(animate); - } - - $$$1(this._backdrop).appendTo(document.body); - $$$1(this._element).on(Event.CLICK_DISMISS, function (event) { - if (_this8._ignoreBackdropClick) { - _this8._ignoreBackdropClick = false; - return; - } - - if (event.target !== event.currentTarget) { - return; - } - - if (_this8._config.backdrop === 'static') { - _this8._element.focus(); - } else { - _this8.hide(); - } - }); - - if (doAnimate) { - Util.reflow(this._backdrop); - } - - $$$1(this._backdrop).addClass(ClassName.SHOW); - - if (!callback) { - return; - } - - if (!doAnimate) { - callback(); - return; - } - - $$$1(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION); - } else if (!this._isShown && this._backdrop) { - $$$1(this._backdrop).removeClass(ClassName.SHOW); - - var callbackRemove = function callbackRemove() { - _this8._removeBackdrop(); - - if (callback) { - callback(); - } - }; - - if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE)) { - $$$1(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION); - } else { - callbackRemove(); - } - } else if (callback) { - callback(); - } - }; // ---------------------------------------------------------------------- - // the following methods are used to handle overflowing modals - // todo (fat): these should probably be refactored out of modal.js - // ---------------------------------------------------------------------- - - - _proto._adjustDialog = function _adjustDialog() { - var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight; - - if (!this._isBodyOverflowing && isModalOverflowing) { - this._element.style.paddingLeft = this._scrollbarWidth + "px"; - } - - if (this._isBodyOverflowing && !isModalOverflowing) { - this._element.style.paddingRight = this._scrollbarWidth + "px"; - } - }; - - _proto._resetAdjustments = function _resetAdjustments() { - this._element.style.paddingLeft = ''; - this._element.style.paddingRight = ''; - }; - - _proto._checkScrollbar = function _checkScrollbar() { - var rect = document.body.getBoundingClientRect(); - this._isBodyOverflowing = rect.left + rect.right < window.innerWidth; - this._scrollbarWidth = this._getScrollbarWidth(); - }; - - _proto._setScrollbar = function _setScrollbar() { - var _this9 = this; - - if (this._isBodyOverflowing) { - // Note: DOMNode.style.paddingRight returns the actual value or '' if not set - // while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set - // Adjust fixed content padding - $$$1(Selector.FIXED_CONTENT).each(function (index, element) { - var actualPadding = $$$1(element)[0].style.paddingRight; - var calculatedPadding = $$$1(element).css('padding-right'); - $$$1(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px"); - }); // Adjust sticky content margin - - $$$1(Selector.STICKY_CONTENT).each(function (index, element) { - var actualMargin = $$$1(element)[0].style.marginRight; - var calculatedMargin = $$$1(element).css('margin-right'); - $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px"); - }); // Adjust navbar-toggler margin - - $$$1(Selector.NAVBAR_TOGGLER).each(function (index, element) { - var actualMargin = $$$1(element)[0].style.marginRight; - var calculatedMargin = $$$1(element).css('margin-right'); - $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + "px"); - }); // Adjust body padding - - var actualPadding = document.body.style.paddingRight; - var calculatedPadding = $$$1('body').css('padding-right'); - $$$1('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px"); - } - }; - - _proto._resetScrollbar = function _resetScrollbar() { - // Restore fixed content padding - $$$1(Selector.FIXED_CONTENT).each(function (index, element) { - var padding = $$$1(element).data('padding-right'); - - if (typeof padding !== 'undefined') { - $$$1(element).css('padding-right', padding).removeData('padding-right'); - } - }); // Restore sticky content and navbar-toggler margin - - $$$1(Selector.STICKY_CONTENT + ", " + Selector.NAVBAR_TOGGLER).each(function (index, element) { - var margin = $$$1(element).data('margin-right'); - - if (typeof margin !== 'undefined') { - $$$1(element).css('margin-right', margin).removeData('margin-right'); - } - }); // Restore body padding - - var padding = $$$1('body').data('padding-right'); - - if (typeof padding !== 'undefined') { - $$$1('body').css('padding-right', padding).removeData('padding-right'); - } - }; - - _proto._getScrollbarWidth = function _getScrollbarWidth() { - // thx d.walsh - var scrollDiv = document.createElement('div'); - scrollDiv.className = ClassName.SCROLLBAR_MEASURER; - document.body.appendChild(scrollDiv); - var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth; - document.body.removeChild(scrollDiv); - return scrollbarWidth; - }; // Static - - - Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) { - return this.each(function () { - var data = $$$1(this).data(DATA_KEY); - - var _config = _extends({}, Modal.Default, $$$1(this).data(), typeof config === 'object' && config); - - if (!data) { - data = new Modal(this, _config); - $$$1(this).data(DATA_KEY, data); - } - - if (typeof config === 'string') { - if (typeof data[config] === 'undefined') { - throw new TypeError("No method named \"" + config + "\""); - } - - data[config](relatedTarget); - } else if (_config.show) { - data.show(relatedTarget); - } - }); - }; - - _createClass(Modal, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }, { - key: "Default", - get: function get() { - return Default; - } - }]); - return Modal; - }(); - /** - * ------------------------------------------------------------------------ - * Data Api implementation - * ------------------------------------------------------------------------ - */ - - - $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { - var _this10 = this; - - var target; - var selector = Util.getSelectorFromElement(this); - - if (selector) { - target = $$$1(selector)[0]; - } - - var config = $$$1(target).data(DATA_KEY) ? 'toggle' : _extends({}, $$$1(target).data(), $$$1(this).data()); - - if (this.tagName === 'A' || this.tagName === 'AREA') { - event.preventDefault(); - } - - var $target = $$$1(target).one(Event.SHOW, function (showEvent) { - if (showEvent.isDefaultPrevented()) { - // Only register focus restorer if modal will actually get shown - return; - } - - $target.one(Event.HIDDEN, function () { - if ($$$1(_this10).is(':visible')) { - _this10.focus(); - } - }); - }); - - Modal._jQueryInterface.call($$$1(target), config, this); - }); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - $$$1.fn[NAME] = Modal._jQueryInterface; - $$$1.fn[NAME].Constructor = Modal; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Modal._jQueryInterface; - }; - - return Modal; -}($); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): tooltip.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Tooltip = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'tooltip'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.tooltip'; - var EVENT_KEY = "." + DATA_KEY; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var TRANSITION_DURATION = 150; - var CLASS_PREFIX = 'bs-tooltip'; - var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g'); - var DefaultType = { - animation: 'boolean', - template: 'string', - title: '(string|element|function)', - trigger: 'string', - delay: '(number|object)', - html: 'boolean', - selector: '(string|boolean)', - placement: '(string|function)', - offset: '(number|string)', - container: '(string|element|boolean)', - fallbackPlacement: '(string|array)', - boundary: '(string|element)' - }; - var AttachmentMap = { - AUTO: 'auto', - TOP: 'top', - RIGHT: 'right', - BOTTOM: 'bottom', - LEFT: 'left' - }; - var Default = { - animation: true, - template: '', - trigger: 'hover focus', - title: '', - delay: 0, - html: false, - selector: false, - placement: 'top', - offset: 0, - container: false, - fallbackPlacement: 'flip', - boundary: 'scrollParent' - }; - var HoverState = { - SHOW: 'show', - OUT: 'out' - }; - var Event = { - HIDE: "hide" + EVENT_KEY, - HIDDEN: "hidden" + EVENT_KEY, - SHOW: "show" + EVENT_KEY, - SHOWN: "shown" + EVENT_KEY, - INSERTED: "inserted" + EVENT_KEY, - CLICK: "click" + EVENT_KEY, - FOCUSIN: "focusin" + EVENT_KEY, - FOCUSOUT: "focusout" + EVENT_KEY, - MOUSEENTER: "mouseenter" + EVENT_KEY, - MOUSELEAVE: "mouseleave" + EVENT_KEY - }; - var ClassName = { - FADE: 'fade', - SHOW: 'show' - }; - var Selector = { - TOOLTIP: '.tooltip', - TOOLTIP_INNER: '.tooltip-inner', - ARROW: '.arrow' - }; - var Trigger = { - HOVER: 'hover', - FOCUS: 'focus', - CLICK: 'click', - MANUAL: 'manual' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Tooltip = - /*#__PURE__*/ - function () { - function Tooltip(element, config) { - /** - * Check for Popper dependency - * Popper - https://popper.js.org - */ - if (typeof Popper === 'undefined') { - throw new TypeError('Bootstrap tooltips require Popper.js (https://popper.js.org)'); - } // private - - - this._isEnabled = true; - this._timeout = 0; - this._hoverState = ''; - this._activeTrigger = {}; - this._popper = null; // Protected - - this.element = element; - this.config = this._getConfig(config); - this.tip = null; - - this._setListeners(); - } // Getters - - - var _proto = Tooltip.prototype; - - // Public - _proto.enable = function enable() { - this._isEnabled = true; - }; - - _proto.disable = function disable() { - this._isEnabled = false; - }; - - _proto.toggleEnabled = function toggleEnabled() { - this._isEnabled = !this._isEnabled; - }; - - _proto.toggle = function toggle(event) { - if (!this._isEnabled) { - return; - } - - if (event) { - var dataKey = this.constructor.DATA_KEY; - var context = $$$1(event.currentTarget).data(dataKey); - - if (!context) { - context = new this.constructor(event.currentTarget, this._getDelegateConfig()); - $$$1(event.currentTarget).data(dataKey, context); - } - - context._activeTrigger.click = !context._activeTrigger.click; - - if (context._isWithActiveTrigger()) { - context._enter(null, context); - } else { - context._leave(null, context); - } - } else { - if ($$$1(this.getTipElement()).hasClass(ClassName.SHOW)) { - this._leave(null, this); - - return; - } - - this._enter(null, this); - } - }; - - _proto.dispose = function dispose() { - clearTimeout(this._timeout); - $$$1.removeData(this.element, this.constructor.DATA_KEY); - $$$1(this.element).off(this.constructor.EVENT_KEY); - $$$1(this.element).closest('.modal').off('hide.bs.modal'); - - if (this.tip) { - $$$1(this.tip).remove(); - } - - this._isEnabled = null; - this._timeout = null; - this._hoverState = null; - this._activeTrigger = null; - - if (this._popper !== null) { - this._popper.destroy(); - } - - this._popper = null; - this.element = null; - this.config = null; - this.tip = null; - }; - - _proto.show = function show() { - var _this = this; - - if ($$$1(this.element).css('display') === 'none') { - throw new Error('Please use show on visible elements'); - } - - var showEvent = $$$1.Event(this.constructor.Event.SHOW); - - if (this.isWithContent() && this._isEnabled) { - $$$1(this.element).trigger(showEvent); - var isInTheDom = $$$1.contains(this.element.ownerDocument.documentElement, this.element); - - if (showEvent.isDefaultPrevented() || !isInTheDom) { - return; - } - - var tip = this.getTipElement(); - var tipId = Util.getUID(this.constructor.NAME); - tip.setAttribute('id', tipId); - this.element.setAttribute('aria-describedby', tipId); - this.setContent(); - - if (this.config.animation) { - $$$1(tip).addClass(ClassName.FADE); - } - - var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement; - - var attachment = this._getAttachment(placement); - - this.addAttachmentClass(attachment); - var container = this.config.container === false ? document.body : $$$1(this.config.container); - $$$1(tip).data(this.constructor.DATA_KEY, this); - - if (!$$$1.contains(this.element.ownerDocument.documentElement, this.tip)) { - $$$1(tip).appendTo(container); - } - - $$$1(this.element).trigger(this.constructor.Event.INSERTED); - this._popper = new Popper(this.element, tip, { - placement: attachment, - modifiers: { - offset: { - offset: this.config.offset - }, - flip: { - behavior: this.config.fallbackPlacement - }, - arrow: { - element: Selector.ARROW - }, - preventOverflow: { - boundariesElement: this.config.boundary - } - }, - onCreate: function onCreate(data) { - if (data.originalPlacement !== data.placement) { - _this._handlePopperPlacementChange(data); - } - }, - onUpdate: function onUpdate(data) { - _this._handlePopperPlacementChange(data); - } - }); - $$$1(tip).addClass(ClassName.SHOW); // If this is a touch-enabled device we add extra - // empty mouseover listeners to the body's immediate children; - // only needed because of broken event delegation on iOS - // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html - - if ('ontouchstart' in document.documentElement) { - $$$1('body').children().on('mouseover', null, $$$1.noop); - } - - var complete = function complete() { - if (_this.config.animation) { - _this._fixTransition(); - } - - var prevHoverState = _this._hoverState; - _this._hoverState = null; - $$$1(_this.element).trigger(_this.constructor.Event.SHOWN); - - if (prevHoverState === HoverState.OUT) { - _this._leave(null, _this); - } - }; - - if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) { - $$$1(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION); - } else { - complete(); - } - } - }; - - _proto.hide = function hide(callback) { - var _this2 = this; - - var tip = this.getTipElement(); - var hideEvent = $$$1.Event(this.constructor.Event.HIDE); - - var complete = function complete() { - if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) { - tip.parentNode.removeChild(tip); - } - - _this2._cleanTipClass(); - - _this2.element.removeAttribute('aria-describedby'); - - $$$1(_this2.element).trigger(_this2.constructor.Event.HIDDEN); - - if (_this2._popper !== null) { - _this2._popper.destroy(); - } - - if (callback) { - callback(); - } - }; - - $$$1(this.element).trigger(hideEvent); - - if (hideEvent.isDefaultPrevented()) { - return; - } - - $$$1(tip).removeClass(ClassName.SHOW); // If this is a touch-enabled device we remove the extra - // empty mouseover listeners we added for iOS support - - if ('ontouchstart' in document.documentElement) { - $$$1('body').children().off('mouseover', null, $$$1.noop); - } - - this._activeTrigger[Trigger.CLICK] = false; - this._activeTrigger[Trigger.FOCUS] = false; - this._activeTrigger[Trigger.HOVER] = false; - - if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) { - $$$1(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION); - } else { - complete(); - } - - this._hoverState = ''; - }; - - _proto.update = function update() { - if (this._popper !== null) { - this._popper.scheduleUpdate(); - } - }; // Protected - - - _proto.isWithContent = function isWithContent() { - return Boolean(this.getTitle()); - }; - - _proto.addAttachmentClass = function addAttachmentClass(attachment) { - $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment); - }; - - _proto.getTipElement = function getTipElement() { - this.tip = this.tip || $$$1(this.config.template)[0]; - return this.tip; - }; - - _proto.setContent = function setContent() { - var $tip = $$$1(this.getTipElement()); - this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle()); - $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW); - }; - - _proto.setElementContent = function setElementContent($element, content) { - var html = this.config.html; - - if (typeof content === 'object' && (content.nodeType || content.jquery)) { - // Content is a DOM node or a jQuery - if (html) { - if (!$$$1(content).parent().is($element)) { - $element.empty().append(content); - } - } else { - $element.text($$$1(content).text()); - } - } else { - $element[html ? 'html' : 'text'](content); - } - }; - - _proto.getTitle = function getTitle() { - var title = this.element.getAttribute('data-original-title'); - - if (!title) { - title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title; - } - - return title; - }; // Private - - - _proto._getAttachment = function _getAttachment(placement) { - return AttachmentMap[placement.toUpperCase()]; - }; - - _proto._setListeners = function _setListeners() { - var _this3 = this; - - var triggers = this.config.trigger.split(' '); - triggers.forEach(function (trigger) { - if (trigger === 'click') { - $$$1(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) { - return _this3.toggle(event); - }); - } else if (trigger !== Trigger.MANUAL) { - var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN; - var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT; - $$$1(_this3.element).on(eventIn, _this3.config.selector, function (event) { - return _this3._enter(event); - }).on(eventOut, _this3.config.selector, function (event) { - return _this3._leave(event); - }); - } - - $$$1(_this3.element).closest('.modal').on('hide.bs.modal', function () { - return _this3.hide(); - }); - }); - - if (this.config.selector) { - this.config = _extends({}, this.config, { - trigger: 'manual', - selector: '' - }); - } else { - this._fixTitle(); - } - }; - - _proto._fixTitle = function _fixTitle() { - var titleType = typeof this.element.getAttribute('data-original-title'); - - if (this.element.getAttribute('title') || titleType !== 'string') { - this.element.setAttribute('data-original-title', this.element.getAttribute('title') || ''); - this.element.setAttribute('title', ''); - } - }; - - _proto._enter = function _enter(event, context) { - var dataKey = this.constructor.DATA_KEY; - context = context || $$$1(event.currentTarget).data(dataKey); - - if (!context) { - context = new this.constructor(event.currentTarget, this._getDelegateConfig()); - $$$1(event.currentTarget).data(dataKey, context); - } - - if (event) { - context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true; - } - - if ($$$1(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) { - context._hoverState = HoverState.SHOW; - return; - } - - clearTimeout(context._timeout); - context._hoverState = HoverState.SHOW; - - if (!context.config.delay || !context.config.delay.show) { - context.show(); - return; - } - - context._timeout = setTimeout(function () { - if (context._hoverState === HoverState.SHOW) { - context.show(); - } - }, context.config.delay.show); - }; - - _proto._leave = function _leave(event, context) { - var dataKey = this.constructor.DATA_KEY; - context = context || $$$1(event.currentTarget).data(dataKey); - - if (!context) { - context = new this.constructor(event.currentTarget, this._getDelegateConfig()); - $$$1(event.currentTarget).data(dataKey, context); - } - - if (event) { - context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false; - } - - if (context._isWithActiveTrigger()) { - return; - } - - clearTimeout(context._timeout); - context._hoverState = HoverState.OUT; - - if (!context.config.delay || !context.config.delay.hide) { - context.hide(); - return; - } - - context._timeout = setTimeout(function () { - if (context._hoverState === HoverState.OUT) { - context.hide(); - } - }, context.config.delay.hide); - }; - - _proto._isWithActiveTrigger = function _isWithActiveTrigger() { - for (var trigger in this._activeTrigger) { - if (this._activeTrigger[trigger]) { - return true; - } - } - - return false; - }; - - _proto._getConfig = function _getConfig(config) { - config = _extends({}, this.constructor.Default, $$$1(this.element).data(), config); - - if (typeof config.delay === 'number') { - config.delay = { - show: config.delay, - hide: config.delay - }; - } - - if (typeof config.title === 'number') { - config.title = config.title.toString(); - } - - if (typeof config.content === 'number') { - config.content = config.content.toString(); - } - - Util.typeCheckConfig(NAME, config, this.constructor.DefaultType); - return config; - }; - - _proto._getDelegateConfig = function _getDelegateConfig() { - var config = {}; - - if (this.config) { - for (var key in this.config) { - if (this.constructor.Default[key] !== this.config[key]) { - config[key] = this.config[key]; - } - } - } - - return config; - }; - - _proto._cleanTipClass = function _cleanTipClass() { - var $tip = $$$1(this.getTipElement()); - var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX); - - if (tabClass !== null && tabClass.length > 0) { - $tip.removeClass(tabClass.join('')); - } - }; - - _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(data) { - this._cleanTipClass(); - - this.addAttachmentClass(this._getAttachment(data.placement)); - }; - - _proto._fixTransition = function _fixTransition() { - var tip = this.getTipElement(); - var initConfigAnimation = this.config.animation; - - if (tip.getAttribute('x-placement') !== null) { - return; - } - - $$$1(tip).removeClass(ClassName.FADE); - this.config.animation = false; - this.hide(); - this.show(); - this.config.animation = initConfigAnimation; - }; // Static - - - Tooltip._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var data = $$$1(this).data(DATA_KEY); - - var _config = typeof config === 'object' && config; - - if (!data && /dispose|hide/.test(config)) { - return; - } - - if (!data) { - data = new Tooltip(this, _config); - $$$1(this).data(DATA_KEY, data); - } - - if (typeof config === 'string') { - if (typeof data[config] === 'undefined') { - throw new TypeError("No method named \"" + config + "\""); - } - - data[config](); - } - }); - }; - - _createClass(Tooltip, null, [{ - key: "VERSION", - get: function get() { - return VERSION; - } - }, { - key: "Default", - get: function get() { - return Default; - } - }, { - key: "NAME", - get: function get() { - return NAME; - } - }, { - key: "DATA_KEY", - get: function get() { - return DATA_KEY; - } - }, { - key: "Event", - get: function get() { - return Event; - } - }, { - key: "EVENT_KEY", - get: function get() { - return EVENT_KEY; - } - }, { - key: "DefaultType", - get: function get() { - return DefaultType; - } - }]); - return Tooltip; - }(); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - - $$$1.fn[NAME] = Tooltip._jQueryInterface; - $$$1.fn[NAME].Constructor = Tooltip; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Tooltip._jQueryInterface; - }; - - return Tooltip; -}($, Popper); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): popover.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var Popover = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'popover'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.popover'; - var EVENT_KEY = "." + DATA_KEY; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var CLASS_PREFIX = 'bs-popover'; - var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g'); - var Default = _extends({}, Tooltip.Default, { - placement: 'right', - trigger: 'click', - content: '', - template: '' - }); - var DefaultType = _extends({}, Tooltip.DefaultType, { - content: '(string|element|function)' - }); - var ClassName = { - FADE: 'fade', - SHOW: 'show' - }; - var Selector = { - TITLE: '.popover-header', - CONTENT: '.popover-body' - }; - var Event = { - HIDE: "hide" + EVENT_KEY, - HIDDEN: "hidden" + EVENT_KEY, - SHOW: "show" + EVENT_KEY, - SHOWN: "shown" + EVENT_KEY, - INSERTED: "inserted" + EVENT_KEY, - CLICK: "click" + EVENT_KEY, - FOCUSIN: "focusin" + EVENT_KEY, - FOCUSOUT: "focusout" + EVENT_KEY, - MOUSEENTER: "mouseenter" + EVENT_KEY, - MOUSELEAVE: "mouseleave" + EVENT_KEY - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var Popover = - /*#__PURE__*/ - function (_Tooltip) { - _inheritsLoose(Popover, _Tooltip); - - function Popover() { - return _Tooltip.apply(this, arguments) || this; - } - - var _proto = Popover.prototype; - - // Overrides - _proto.isWithContent = function isWithContent() { - return this.getTitle() || this._getContent(); - }; - - _proto.addAttachmentClass = function addAttachmentClass(attachment) { - $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment); - }; - - _proto.getTipElement = function getTipElement() { - this.tip = this.tip || $$$1(this.config.template)[0]; - return this.tip; - }; - - _proto.setContent = function setContent() { - var $tip = $$$1(this.getTipElement()); // We use append for html objects to maintain js events - - this.setElementContent($tip.find(Selector.TITLE), this.getTitle()); - - var content = this._getContent(); - - if (typeof content === 'function') { - content = content.call(this.element); - } - - this.setElementContent($tip.find(Selector.CONTENT), content); - $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW); - }; // Private - - - _proto._getContent = function _getContent() { - return this.element.getAttribute('data-content') || this.config.content; - }; - - _proto._cleanTipClass = function _cleanTipClass() { - var $tip = $$$1(this.getTipElement()); - var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX); - - if (tabClass !== null && tabClass.length > 0) { - $tip.removeClass(tabClass.join('')); - } - }; // Static - - - Popover._jQueryInterface = function _jQueryInterface(config) { - return this.each(function () { - var data = $$$1(this).data(DATA_KEY); - - var _config = typeof config === 'object' ? config : null; - - if (!data && /destroy|hide/.test(config)) { - return; - } - - if (!data) { - data = new Popover(this, _config); - $$$1(this).data(DATA_KEY, data); - } - - if (typeof config === 'string') { - if (typeof data[config] === 'undefined') { - throw new TypeError("No method named \"" + config + "\""); - } - - data[config](); - } - }); - }; - - _createClass(Popover, null, [{ - key: "VERSION", - // Getters - get: function get() { - return VERSION; - } - }, { - key: "Default", - get: function get() { - return Default; - } - }, { - key: "NAME", - get: function get() { - return NAME; - } - }, { - key: "DATA_KEY", - get: function get() { - return DATA_KEY; - } - }, { - key: "Event", - get: function get() { - return Event; - } - }, { - key: "EVENT_KEY", - get: function get() { - return EVENT_KEY; - } - }, { - key: "DefaultType", - get: function get() { - return DefaultType; - } - }]); - return Popover; - }(Tooltip); - /** - * ------------------------------------------------------------------------ - * jQuery - * ------------------------------------------------------------------------ - */ - - - $$$1.fn[NAME] = Popover._jQueryInterface; - $$$1.fn[NAME].Constructor = Popover; - - $$$1.fn[NAME].noConflict = function () { - $$$1.fn[NAME] = JQUERY_NO_CONFLICT; - return Popover._jQueryInterface; - }; - - return Popover; -}($); - -/** - * -------------------------------------------------------------------------- - * Bootstrap (v4.0.0): scrollspy.js - * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) - * -------------------------------------------------------------------------- - */ - -var ScrollSpy = function ($$$1) { - /** - * ------------------------------------------------------------------------ - * Constants - * ------------------------------------------------------------------------ - */ - var NAME = 'scrollspy'; - var VERSION = '4.0.0'; - var DATA_KEY = 'bs.scrollspy'; - var EVENT_KEY = "." + DATA_KEY; - var DATA_API_KEY = '.data-api'; - var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; - var Default = { - offset: 10, - method: 'auto', - target: '' - }; - var DefaultType = { - offset: 'number', - method: 'string', - target: '(string|element)' - }; - var Event = { - ACTIVATE: "activate" + EVENT_KEY, - SCROLL: "scroll" + EVENT_KEY, - LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY - }; - var ClassName = { - DROPDOWN_ITEM: 'dropdown-item', - DROPDOWN_MENU: 'dropdown-menu', - ACTIVE: 'active' - }; - var Selector = { - DATA_SPY: '[data-spy="scroll"]', - ACTIVE: '.active', - NAV_LIST_GROUP: '.nav, .list-group', - NAV_LINKS: '.nav-link', - NAV_ITEMS: '.nav-item', - LIST_ITEMS: '.list-group-item', - DROPDOWN: '.dropdown', - DROPDOWN_ITEMS: '.dropdown-item', - DROPDOWN_TOGGLE: '.dropdown-toggle' - }; - var OffsetMethod = { - OFFSET: 'offset', - POSITION: 'position' - /** - * ------------------------------------------------------------------------ - * Class Definition - * ------------------------------------------------------------------------ - */ - - }; - - var ScrollSpy = - /*#__PURE__*/ - function () { - function ScrollSpy(element, config) { - var _this = this; - - this._element = element; - this._scrollElement = element.tagName === 'BODY' ? window : element; - this._config = this._getConfig(config); - this._selector = this._config.target + " " + Selector.NAV_LINKS + "," + (this._config.target + " " + Selector.LIST_ITEMS + ",") + (this._config.target + " " + Selector.DROPDOWN_ITEMS); - this._offsets = []; - this._targets = []; - this._activeTarget = null; - this._scrollHeight = 0; - $$$1(this._scrollElement).on(Event.SCROLL, function (event) { - return _this._process(event); - }); - this.refresh(); - - this._process(); - } // Getters - - - var _proto = ScrollSpy.prototype; - - // Public - _proto.refresh = function refresh() { - var _this2 = this; - - var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION; - var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method; - var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0; - this._offsets = []; - this._targets = []; - this._scrollHeight = this._getScrollHeight(); - var targets = $$$1.makeArray($$$1(this._selector)); - targets.map(function (element) { - var target; - var targetSelector = Util.getSelectorFromElement(element); - - if (targetSelector) { - target = $$$1(targetSelector)[0]; - } - - if (target) { - var targetBCR = target.getBoundingClientRect(); - - if (targetBCR.width || targetBCR.height) { - // TODO (fat): remove sketch reliance on jQuery position/offset - return [$$$1(target)[offsetMethod]().top + offsetBase, targetSelector]; - } - } - - return null; - }).filter(function (item) { - return item; - }).sort(function (a, b) { - return a[0] - b[0]; - }).forEach(function (item) { - _this2._offsets.push(item[0]); - - _this2._targets.push(item[1]); - }); - }; - - _proto.dispose = function dispose() { - $$$1.removeData(this._element, DATA_KEY); - $$$1(this._scrollElement).off(EVENT_KEY); - this._element = null; - this._scrollElement = null; - this._config = null; - this._selector = null; - this._offsets = null; - this._targets = null; - this._activeTarget = null; - this._scrollHeight = null; - }; // Private - - - _proto._getConfig = function _getConfig(config) { - config = _extends({}, Default, config); - - if (typeof config.target !== 'string') { - var id = $$$1(config.target).attr('id'); - - if (!id) { - id = Util.getUID(NAME); - $$$1(config.target).attr('id', id); - } - - config.target = "#" + id; - } - - Util.typeCheckConfig(NAME, config, DefaultType); - return config; - }; - - _proto._getScrollTop = function _getScrollTop() { - return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop; - }; - - _proto._getScrollHeight = function _getScrollHeight() { - return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight); - }; - - _proto._getOffsetHeight = function _getOffsetHeight() { - return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height; - }; - - _proto._process = function _process() { - var scrollTop = this._getScrollTop() + this._config.offset; - - var scrollHeight = this._getScrollHeight(); - - var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight(); - - if (this._scrollHeight !== scrollHeight) { - this.refresh(); - } - - if (scrollTop >= maxScroll) { - var target = this._targets[this._targets.length - 1]; - - if (this._activeTarget !== target) { - this._activate(target); - } - - return; - } - - if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) { - this._activeTarget = null; - - this._clear(); - - return; - } - - for (var i = this._offsets.length; i--;) { - var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]); - - if (isActiveTarget) { - this._activate(this._targets[i]); - } - } - }; - - _proto._activate = function _activate(target) { - this._activeTarget = target; - - this._clear(); - - var queries = this._selector.split(','); // eslint-disable-next-line arrow-body-style - - - queries = queries.map(function (selector) { - return selector + "[data-target=\"" + target + "\"]," + (selector + "[href=\"" + target + "\"]"); - }); - var $link = $$$1(queries.join(',')); - - if ($link.hasClass(ClassName.DROPDOWN_ITEM)) { - $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE); - $link.addClass(ClassName.ACTIVE); - } else { - // Set triggered link as active - $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active - // With both     \n" + if subsection: + index += "\n" + if section == 1: + index += "
      \n" + + index += """
    • %s\n""" % (headingname,prevheadingtext) + subsection = 0 + subsubsection = 0 + subsubsubsection = 0 + skipspace = 1 + continue + m = h3.match(s) + if m: + prevheadingtext = m.group(2) + nameindex += 1 + subsection += 1 + headingname = getheadingname(m) + result.append("""

      %d.%d %s

      """ % (headingname,section, subsection, prevheadingtext)) + + if subsubsubsection: + index += "
    \n" + if subsubsection: + index += "\n" + if subsection == 1: + index += "
      \n" + + index += """
    • %s\n""" % (headingname,prevheadingtext) + subsubsection = 0 + skipspace = 1 + continue + m = h4.match(s) + if m: + prevheadingtext = m.group(2) + nameindex += 1 + subsubsection += 1 + subsubsubsection = 0 + headingname = getheadingname(m) + result.append("""

      %d.%d.%d %s

      """ % (headingname,section, subsection, subsubsection, prevheadingtext)) + + if subsubsubsection: + index += "
    \n" + if subsubsection == 1: + index += "
      \n" + + index += """
    • %s\n""" % (headingname,prevheadingtext) + skipspace = 1 + continue + m = h5.match(s) + if m: + prevheadingtext = m.group(2) + nameindex += 1 + subsubsubsection += 1 + headingname = getheadingname(m) + result.append("""
      %d.%d.%d.%d %s
      """ % (headingname,section, subsection, subsubsection, subsubsubsection, prevheadingtext)) + + if subsubsubsection == 1: + index += "
        \n" + + index += """
      • %s\n""" % (headingname,prevheadingtext) + skipspace = 1 + continue + + result.append(s) + +if subsubsubsection: + index += "
      \n" + +if subsubsection: + index += "
    \n" + +if subsection: + index += "\n" + +if section: + index += "\n" + +index += "\n\n" + +data = "\n".join(result) + +data = data.replace("@INDEX@",index) + "\n"; + +# Write the file back out +open(filename,"w").write(data) + + diff --git a/solve/ply-2.2/doc/ply.html b/solve/ply-2.2/doc/ply.html new file mode 100644 index 0000000..b3219ea --- /dev/null +++ b/solve/ply-2.2/doc/ply.html @@ -0,0 +1,2874 @@ + + +PLY (Python Lex-Yacc) + + + +

    PLY (Python Lex-Yacc)

    + + +David M. Beazley
    +dave@dabeaz.com
    +     + +

    +PLY Version: 2.2 +

    + + +

    + +
    + + + + + + + +

    1. Introduction

    + + +PLY is a pure-Python implementation of the popular compiler +construction tools lex and yacc. The main goal of PLY is to stay +fairly faithful to the way in which traditional lex/yacc tools work. +This includes supporting LALR(1) parsing as well as providing +extensive input validation, error reporting, and diagnostics. Thus, +if you've used yacc in another programming language, it should be +relatively straightforward to use PLY. + +

    +Early versions of PLY were developed to support an Introduction to +Compilers Course I taught in 2001 at the University of Chicago. In this course, +students built a fully functional compiler for a simple Pascal-like +language. Their compiler, implemented entirely in Python, had to +include lexical analysis, parsing, type checking, type inference, +nested scoping, and code generation for the SPARC processor. +Approximately 30 different compiler implementations were completed in +this course. Most of PLY's interface and operation has been influenced by common +usability problems encountered by students. + +

    +Since PLY was primarily developed as an instructional tool, you will +find it to be fairly picky about token and grammar rule +specification. In part, this +added formality is meant to catch common programming mistakes made by +novice users. However, advanced users will also find such features to +be useful when building complicated grammars for real programming +languages. It should also be noted that PLY does not provide much in +the way of bells and whistles (e.g., automatic construction of +abstract syntax trees, tree traversal, etc.). Nor would I consider it +to be a parsing framework. Instead, you will find a bare-bones, yet +fully capable lex/yacc implementation written entirely in Python. + +

    +The rest of this document assumes that you are somewhat familar with +parsing theory, syntax directed translation, and the use of compiler +construction tools such as lex and yacc in other programming +languages. If you are unfamilar with these topics, you will probably +want to consult an introductory text such as "Compilers: Principles, +Techniques, and Tools", by Aho, Sethi, and Ullman. O'Reilly's "Lex +and Yacc" by John Levine may also be handy. In fact, the O'Reilly book can be +used as a reference for PLY as the concepts are virtually identical. + +

    2. PLY Overview

    + + +PLY consists of two separate modules; lex.py and +yacc.py, both of which are found in a Python package +called ply. The lex.py module is used to break input text into a +collection of tokens specified by a collection of regular expression +rules. yacc.py is used to recognize language syntax that has +been specified in the form of a context free grammar. yacc.py uses LR parsing and generates its parsing tables +using either the LALR(1) (the default) or SLR table generation algorithms. + +

    +The two tools are meant to work together. Specifically, +lex.py provides an external interface in the form of a +token() function that returns the next valid token on the +input stream. yacc.py calls this repeatedly to retrieve +tokens and invoke grammar rules. The output of yacc.py is +often an Abstract Syntax Tree (AST). However, this is entirely up to +the user. If desired, yacc.py can also be used to implement +simple one-pass compilers. + +

    +Like its Unix counterpart, yacc.py provides most of the +features you expect including extensive error checking, grammar +validation, support for empty productions, error tokens, and ambiguity +resolution via precedence rules. In fact, everything that is possible in traditional yacc +should be supported in PLY. + +

    +The primary difference between +yacc.py and Unix yacc is that yacc.py +doesn't involve a separate code-generation process. +Instead, PLY relies on reflection (introspection) +to build its lexers and parsers. Unlike traditional lex/yacc which +require a special input file that is converted into a separate source +file, the specifications given to PLY are valid Python +programs. This means that there are no extra source files nor is +there a special compiler construction step (e.g., running yacc to +generate Python code for the compiler). Since the generation of the +parsing tables is relatively expensive, PLY caches the results and +saves them to a file. If no changes are detected in the input source, +the tables are read from the cache. Otherwise, they are regenerated. + +

    3. Lex

    + + +lex.py is used to tokenize an input string. For example, suppose +you're writing a programming language and a user supplied the following input string: + +
    +
    +x = 3 + 42 * (s - t)
+
    +
    + +A tokenizer splits the string into individual tokens + +
    +
    +'x','=', '3', '+', '42', '*', '(', 's', '-', 't', ')'
+
    +
    + +Tokens are usually given names to indicate what they are. For example: + +
    +
    +'ID','EQUALS','NUMBER','PLUS','NUMBER','TIMES',
+'LPAREN','ID','MINUS','ID','RPAREN'
+
    +
    + +More specifically, the input is broken into pairs of token types and values. For example: + +
    +
    +('ID','x'), ('EQUALS','='), ('NUMBER','3'), 
+('PLUS','+'), ('NUMBER','42), ('TIMES','*'),
+('LPAREN','('), ('ID','s'), ('MINUS','-'),
+('ID','t'), ('RPAREN',')'
+
    +
    + +The identification of tokens is typically done by writing a series of regular expression +rules. The next section shows how this is done using lex.py. + +

    3.1 Lex Example

    + + +The following example shows how lex.py is used to write a simple tokenizer. + +
    +
    +# ------------------------------------------------------------
+# calclex.py
+#
+# tokenizer for a simple expression evaluator for
+# numbers and +,-,*,/
+# ------------------------------------------------------------
+import ply.lex as lex
+
+# List of token names.   This is always required
+tokens = (
+   'NUMBER',
+   'PLUS',
+   'MINUS',
+   'TIMES',
+   'DIVIDE',
+   'LPAREN',
+   'RPAREN',
+)
+
+# Regular expression rules for simple tokens
+t_PLUS    = r'\+'
+t_MINUS   = r'-'
+t_TIMES   = r'\*'
+t_DIVIDE  = r'/'
+t_LPAREN  = r'\('
+t_RPAREN  = r'\)'
+
+# A regular expression rule with some action code
+def t_NUMBER(t):
+    r'\d+'
+    try:
+         t.value = int(t.value)    
+    except ValueError:
+         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
+	 t.value = 0
+    return t
+
+# Define a rule so we can track line numbers
+def t_newline(t):
+    r'\n+'
+    t.lexer.lineno += len(t.value)
+
+# A string containing ignored characters (spaces and tabs)
+t_ignore  = ' \t'
+
+# Error handling rule
+def t_error(t):
+    print "Illegal character '%s'" % t.value[0]
+    t.lexer.skip(1)
+
+# Build the lexer
+lex.lex()
+
+
    +
    +To use the lexer, you first need to feed it some input text using its input() method. After that, repeated calls to token() produce tokens. The following code shows how this works: + +
    +
    +
+# Test it out
+data = '''
+3 + 4 * 10
+  + -20 *2
+'''
+
+# Give the lexer some input
+lex.input(data)
+
+# Tokenize
+while 1:
+    tok = lex.token()
+    if not tok: break      # No more input
+    print tok
+
    +
    + +When executed, the example will produce the following output: + +
    +
    +$ python example.py
+LexToken(NUMBER,3,2,1)
+LexToken(PLUS,'+',2,3)
+LexToken(NUMBER,4,2,5)
+LexToken(TIMES,'*',2,7)
+LexToken(NUMBER,10,2,10)
+LexToken(PLUS,'+',3,14)
+LexToken(MINUS,'-',3,16)
+LexToken(NUMBER,20,3,18)
+LexToken(TIMES,'*',3,20)
+LexToken(NUMBER,2,3,21)
+
    +
    + +The tokens returned by lex.token() are instances +of LexToken. This object has +attributes tok.type, tok.value, +tok.lineno, and tok.lexpos. The following code shows an example of +accessing these attributes: + +
    +
    +# Tokenize
+while 1:
+    tok = lex.token()
+    if not tok: break      # No more input
+    print tok.type, tok.value, tok.line, tok.lexpos
+
    +
    + +The tok.type and tok.value attributes contain the +type and value of the token itself. +tok.line and tok.lexpos contain information about +the location of the token. tok.lexpos is the index of the +token relative to the start of the input text. + +

    3.2 The tokens list

    + + +All lexers must provide a list tokens that defines all of the possible token +names that can be produced by the lexer. This list is always required +and is used to perform a variety of validation checks. The tokens list is also used by the +yacc.py module to identify terminals. + +

    +In the example, the following code specified the token names: + +

    +
    +tokens = (
+   'NUMBER',
+   'PLUS',
+   'MINUS',
+   'TIMES',
+   'DIVIDE',
+   'LPAREN',
+   'RPAREN',
+)
+
    +
    + +

    3.3 Specification of tokens

    + + +Each token is specified by writing a regular expression rule. Each of these rules are +are defined by making declarations with a special prefix t_ to indicate that it +defines a token. For simple tokens, the regular expression can +be specified as strings such as this (note: Python raw strings are used since they are the +most convenient way to write regular expression strings): + +
    +
    +t_PLUS = r'\+'
+
    +
    + +In this case, the name following the t_ must exactly match one of the +names supplied in tokens. If some kind of action needs to be performed, +a token rule can be specified as a function. For example, this rule matches numbers and +converts the string into a Python integer. + +
    +
    +def t_NUMBER(t):
+    r'\d+'
+    try:
+         t.value = int(t.value)
+    except ValueError:
+         print "Number %s is too large!" % t.value
+	 t.value = 0
+    return t
+
    +
    + +When a function is used, the regular expression rule is specified in the function documentation string. +The function always takes a single argument which is an instance of +LexToken. This object has attributes of t.type which is the token type (as a string), +t.value which is the lexeme (the actual text matched), t.lineno which is the current line number, and t.lexpos which +is the position of the token relative to the beginning of the input text. +By default, t.type is set to the name following the t_ prefix. The action +function can modify the contents of the LexToken object as appropriate. However, +when it is done, the resulting token should be returned. If no value is returned by the action +function, the token is simply discarded and the next token read. + +

    +Internally, lex.py uses the re module to do its patten matching. When building the master regular expression, +rules are added in the following order: +

    +

      +
    1. All tokens defined by functions are added in the same order as they appear in the lexer file. +
    2. Tokens defined by strings are added next by sorting them in order of decreasing regular expression length (longer expressions +are added first). +
    +

    +Without this ordering, it can be difficult to correctly match certain types of tokens. For example, if you +wanted to have separate tokens for "=" and "==", you need to make sure that "==" is checked first. By sorting regular +expressions in order of decreasing length, this problem is solved for rules defined as strings. For functions, +the order can be explicitly controlled since rules appearing first are checked first. + +

    +To handle reserved words, it is usually easier to just match an identifier and do a special name lookup in a function +like this: + +

    +
    +reserved = {
+   'if' : 'IF',
+   'then' : 'THEN',
+   'else' : 'ELSE',
+   'while' : 'WHILE',
+   ...
+}
+
+def t_ID(t):
+    r'[a-zA-Z_][a-zA-Z_0-9]*'
+    t.type = reserved.get(t.value,'ID')    # Check for reserved words
+    return t
+
    +
    + +This approach greatly reduces the number of regular expression rules and is likely to make things a little faster. + +

    +Note: You should avoid writing individual rules for reserved words. For example, if you write rules like this, + +

    +
    +t_FOR   = r'for'
+t_PRINT = r'print'
+
    +
    + +those rules will be triggered for identifiers that include those words as a prefix such as "forget" or "printed". This is probably not +what you want. + +

    3.4 Token values

    + + +When tokens are returned by lex, they have a value that is stored in the value attribute. Normally, the value is the text +that was matched. However, the value can be assigned to any Python object. For instance, when lexing identifiers, you may +want to return both the identifier name and information from some sort of symbol table. To do this, you might write a rule like this: + +
    +
    +def t_ID(t):
+    ...
+    # Look up symbol table information and return a tuple
+    t.value = (t.value, symbol_lookup(t.value))
+    ...
+    return t
+
    +
    + +It is important to note that storing data in other attribute names is not recommended. The yacc.py module only exposes the +contents of the value attribute. Thus, accessing other attributes may be unnecessarily awkward. + +

    3.5 Discarded tokens

    + + +To discard a token, such as a comment, simply define a token rule that returns no value. For example: + +
    +
    +def t_COMMENT(t):
+    r'\#.*'
+    pass
+    # No return value. Token discarded
+
    +
    + +Alternatively, you can include the prefix "ignore_" in the token declaration to force a token to be ignored. For example: + +
    +
    +t_ignore_COMMENT = r'\#.*'
+
    +
    + +Be advised that if you are ignoring many different kinds of text, you may still want to use functions since these provide more precise +control over the order in which regular expressions are matched (i.e., functions are matched in order of specification whereas strings are +sorted by regular expression length). + +

    3.6 Line numbers and positional information

    + + +

    By default, lex.py knows nothing about line numbers. This is because lex.py doesn't know anything +about what constitutes a "line" of input (e.g., the newline character or even if the input is textual data). +To update this information, you need to write a special rule. In the example, the t_newline() rule shows how to do this. + +

    +
    +# Define a rule so we can track line numbers
+def t_newline(t):
+    r'\n+'
+    t.lexer.lineno += len(t.value)
+
    +
    +Within the rule, the lineno attribute of the underlying lexer t.lexer is updated. +After the line number is updated, the token is simply discarded since nothing is returned. + +

    +lex.py does not perform and kind of automatic column tracking. However, it does record positional +information related to each token in the lexpos attribute. Using this, it is usually possible to compute +column information as a separate step. For instance, just count backwards until you reach a newline. + +

    +
    +# Compute column. 
+#     input is the input text string
+#     token is a token instance
+def find_column(input,token):
+    i = token.lexpos
+    while i > 0:
+        if input[i] == '\n': break
+        i -= 1
+    column = (token.lexpos - i)+1
+    return column
+
    +
    + +Since column information is often only useful in the context of error handling, calculating the column +position can be performed when needed as opposed to doing it for each token. + +

    3.7 Ignored characters

    + + +

    +The special t_ignore rule is reserved by lex.py for characters +that should be completely ignored in the input stream. +Usually this is used to skip over whitespace and other non-essential characters. +Although it is possible to define a regular expression rule for whitespace in a manner +similar to t_newline(), the use of t_ignore provides substantially better +lexing performance because it is handled as a special case and is checked in a much +more efficient manner than the normal regular expression rules. + +

    3.8 Literal characters

    + + +

    +Literal characters can be specified by defining a variable literals in your lexing module. For example: + +

    +
    +literals = [ '+','-','*','/' ]
+
    +
    + +or alternatively + +
    +
    +literals = "+-*/"
+
    +
    + +A literal character is simply a single character that is returned "as is" when encountered by the lexer. Literals are checked +after all of the defined regular expression rules. Thus, if a rule starts with one of the literal characters, it will always +take precedence. +

    +When a literal token is returned, both its type and value attributes are set to the character itself. For example, '+'. + +

    3.9 Error handling

    + + +

    +Finally, the t_error() +function is used to handle lexing errors that occur when illegal +characters are detected. In this case, the t.value attribute contains the +rest of the input string that has not been tokenized. In the example, the error function +was defined as follows: + +

    +
    +# Error handling rule
+def t_error(t):
+    print "Illegal character '%s'" % t.value[0]
+    t.lexer.skip(1)
+
    +
    + +In this case, we simply print the offending character and skip ahead one character by calling t.lexer.skip(1). + +

    3.10 Building and using the lexer

    + + +

    +To build the lexer, the function lex.lex() is used. This function +uses Python reflection (or introspection) to read the the regular expression rules +out of the calling context and build the lexer. Once the lexer has been built, two functions can +be used to control the lexer. + +

      +
    • lex.input(data). Reset the lexer and store a new input string. +
    • lex.token(). Return the next token. Returns a special LexToken instance on success or +None if the end of the input text has been reached. +
    + +If desired, the lexer can also be used as an object. The lex() returns a Lexer object that +can be used for this purpose. For example: + +
    +
    +lexer = lex.lex()
+lexer.input(sometext)
+while 1:
+    tok = lexer.token()
+    if not tok: break
+    print tok
+
    +
    + +

    +This latter technique should be used if you intend to use multiple lexers in your application. Simply define each +lexer in its own module and use the object returned by lex() as appropriate. + +

    +Note: The global functions lex.input() and lex.token() are bound to the input() +and token() methods of the last lexer created by the lex module. + +

    3.11 The @TOKEN decorator

    + + +In some applications, you may want to define build tokens from as a series of +more complex regular expression rules. For example: + +
    +
    +digit            = r'([0-9])'
+nondigit         = r'([_A-Za-z])'
+identifier       = r'(' + nondigit + r'(' + digit + r'|' + nondigit + r')*)'        
+
+def t_ID(t):
+    # want docstring to be identifier above. ?????
+    ...
+
    +
    + +In this case, we want the regular expression rule for ID to be one of the variables above. However, there is no +way to directly specify this using a normal documentation string. To solve this problem, you can use the @TOKEN +decorator. For example: + +
    +
    +from ply.lex import TOKEN
+
+@TOKEN(identifier)
+def t_ID(t):
+    ...
+
    +
    + +This will attach identifier to the docstring for t_ID() allowing lex.py to work normally. An alternative +approach this problem is to set the docstring directly like this: + +
    +
    +def t_ID(t):
+    ...
+
+t_ID.__doc__ = identifier
+
    +
    + +NOTE: Use of @TOKEN requires Python-2.4 or newer. If you're concerned about backwards compatibility with older +versions of Python, use the alternative approach of setting the docstring directly. + +

    3.12 Optimized mode

    + + +For improved performance, it may be desirable to use Python's +optimized mode (e.g., running Python with the -O +option). However, doing so causes Python to ignore documentation +strings. This presents special problems for lex.py. To +handle this case, you can create your lexer using +the optimize option as follows: + +
    +
    +lexer = lex.lex(optimize=1)
+
    +
    + +Next, run Python in its normal operating mode. When you do +this, lex.py will write a file called lextab.py to +the current directory. This file contains all of the regular +expression rules and tables used during lexing. On subsequent +executions, +lextab.py will simply be imported to build the lexer. This +approach substantially improves the startup time of the lexer and it +works in Python's optimized mode. + +

    +To change the name of the lexer-generated file, use the lextab keyword argument. For example: + +

    +
    +lexer = lex.lex(optimize=1,lextab="footab")
+
    +
    + +When running in optimized mode, it is important to note that lex disables most error checking. Thus, this is really only recommended +if you're sure everything is working correctly and you're ready to start releasing production code. + +

    3.13 Debugging

    + + +For the purpose of debugging, you can run lex() in a debugging mode as follows: + +
    +
    +lexer = lex.lex(debug=1)
+
    +
    + +This will result in a large amount of debugging information to be printed including all of the added rules and the master +regular expressions. + +In addition, lex.py comes with a simple main function which +will either tokenize input read from standard input or from a file specified +on the command line. To use it, simply put this in your lexer: + +
    +
    +if __name__ == '__main__':
+     lex.runmain()
+
    +
    + +

    3.14 Alternative specification of lexers

    + + +As shown in the example, lexers are specified all within one Python module. If you want to +put token rules in a different module from the one in which you invoke lex(), use the +module keyword argument. + +

    +For example, you might have a dedicated module that just contains +the token rules: + +

    +
    +# module: tokrules.py
+# This module just contains the lexing rules
+
+# List of token names.   This is always required
+tokens = (
+   'NUMBER',
+   'PLUS',
+   'MINUS',
+   'TIMES',
+   'DIVIDE',
+   'LPAREN',
+   'RPAREN',
+)
+
+# Regular expression rules for simple tokens
+t_PLUS    = r'\+'
+t_MINUS   = r'-'
+t_TIMES   = r'\*'
+t_DIVIDE  = r'/'
+t_LPAREN  = r'\('
+t_RPAREN  = r'\)'
+
+# A regular expression rule with some action code
+def t_NUMBER(t):
+    r'\d+'
+    try:
+         t.value = int(t.value)    
+    except ValueError:
+         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
+	 t.value = 0
+    return t
+
+# Define a rule so we can track line numbers
+def t_newline(t):
+    r'\n+'
+    t.lexer.lineno += len(t.value)
+
+# A string containing ignored characters (spaces and tabs)
+t_ignore  = ' \t'
+
+# Error handling rule
+def t_error(t):
+    print "Illegal character '%s'" % t.value[0]
+    t.lexer.skip(1)
+
    +
    + +Now, if you wanted to build a tokenizer from these rules from within a different module, you would do the following (shown for Python interactive mode): + +
    +
    +>>> import tokrules
+>>> lexer = lex.lex(module=tokrules)
+>>> lexer.input("3 + 4")
+>>> lexer.token()
+LexToken(NUMBER,3,1,1,0)
+>>> lexer.token()
+LexToken(PLUS,'+',1,2)
+>>> lexer.token()
+LexToken(NUMBER,4,1,4)
+>>> lexer.token()
+None
+>>>
+
    +
    + +The object option can be used to define lexers as a class instead of a module. For example: + +
    +
    +import ply.lex as lex
+
+class MyLexer:
+    # List of token names.   This is always required
+    tokens = (
+       'NUMBER',
+       'PLUS',
+       'MINUS',
+       'TIMES',
+       'DIVIDE',
+       'LPAREN',
+       'RPAREN',
+    )
+
+    # Regular expression rules for simple tokens
+    t_PLUS    = r'\+'
+    t_MINUS   = r'-'
+    t_TIMES   = r'\*'
+    t_DIVIDE  = r'/'
+    t_LPAREN  = r'\('
+    t_RPAREN  = r'\)'
+
+    # A regular expression rule with some action code
+    # Note addition of self parameter since we're in a class
+    def t_NUMBER(self,t):
+        r'\d+'
+        try:
+             t.value = int(t.value)    
+        except ValueError:
+             print "Line %d: Number %s is too large!" % (t.lineno,t.value)
+             t.value = 0
+        return t
+
+    # Define a rule so we can track line numbers
+    def t_newline(self,t):
+        r'\n+'
+        t.lexer.lineno += len(t.value)
+
+    # A string containing ignored characters (spaces and tabs)
+    t_ignore  = ' \t'
+
+    # Error handling rule
+    def t_error(self,t):
+        print "Illegal character '%s'" % t.value[0]
+        t.lexer.skip(1)
+
+    # Build the lexer
+    def build(self,**kwargs):
+        self.lexer = lex.lex(object=self, **kwargs)
+    
+    # Test it output
+    def test(self,data):
+        self.lexer.input(data)
+        while 1:
+             tok = lexer.token()
+             if not tok: break
+             print tok
+
+# Build the lexer and try it out
+m = MyLexer()
+m.build()           # Build the lexer
+m.test("3 + 4")     # Test it
+
    +
    + +For reasons that are subtle, you should NOT invoke lex.lex() inside the __init__() method of your class. If you +do, it may cause bizarre behavior if someone tries to duplicate a lexer object. Keep reading. + +

    3.15 Maintaining state

    + + +In your lexer, you may want to maintain a variety of state information. This might include mode settings, symbol tables, and other details. There are a few +different ways to handle this situation. First, you could just keep some global variables: + +
    +
    +num_count = 0
+def t_NUMBER(t):
+    r'\d+'
+    global num_count
+    num_count += 1
+    try:
+         t.value = int(t.value)    
+    except ValueError:
+         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
+	 t.value = 0
+    return t
+
    +
    + +Alternatively, you can store this information inside the Lexer object created by lex(). To this, you can use the lexer attribute +of tokens passed to the various rules. For example: + +
    +
    +def t_NUMBER(t):
+    r'\d+'
+    t.lexer.num_count += 1     # Note use of lexer attribute
+    try:
+         t.value = int(t.value)    
+    except ValueError:
+         print "Line %d: Number %s is too large!" % (t.lineno,t.value)
+	 t.value = 0
+    return t
+
+lexer = lex.lex()
+lexer.num_count = 0            # Set the initial count
+
    +
    + +This latter approach has the advantage of storing information inside +the lexer itself---something that may be useful if multiple instances +of the same lexer have been created. However, it may also feel kind +of "hacky" to the purists. Just to put their mind at some ease, all +internal attributes of the lexer (with the exception of lineno) have names that are prefixed +by lex (e.g., lexdata,lexpos, etc.). Thus, +it should be perfectly safe to store attributes in the lexer that +don't have names starting with that prefix. + +

    +A third approach is to define the lexer as a class as shown in the previous example: + +

    +
    +class MyLexer:
+    ...
+    def t_NUMBER(self,t):
+        r'\d+'
+        self.num_count += 1
+        try:
+             t.value = int(t.value)    
+        except ValueError:
+             print "Line %d: Number %s is too large!" % (t.lineno,t.value)
+             t.value = 0
+        return t
+
+    def build(self, **kwargs):
+        self.lexer = lex.lex(object=self,**kwargs)
+
+    def __init__(self):
+        self.num_count = 0
+
+# Create a lexer 
+m = MyLexer()
+lexer = lex.lex(object=m)
+
    +
    + +The class approach may be the easiest to manage if your application is going to be creating multiple instances of the same lexer and +you need to manage a lot of state. + +

    3.16 Duplicating lexers

    + + +NOTE: I am thinking about deprecating this feature. Post comments on ply-hack@googlegroups.com or send me a private email at dave@dabeaz.com. + +

    +If necessary, a lexer object can be quickly duplicated by invoking its clone() method. For example: + +

    +
    +lexer = lex.lex()
+...
+newlexer = lexer.clone()
+
    +
    + +When a lexer is cloned, the copy is identical to the original lexer, +including any input text. However, once created, different text can be +fed to the clone which can be used independently. This capability may +be useful in situations when you are writing a parser/compiler that +involves recursive or reentrant processing. For instance, if you +needed to scan ahead in the input for some reason, you could create a +clone and use it to look ahead. + +

    +The advantage of using clone() instead of reinvoking lex() is +that it is significantly faster. Namely, it is not necessary to re-examine all of the +token rules, build a regular expression, and construct internal tables. All of this +information can simply be reused in the new lexer. + +

    +Special considerations need to be made when cloning a lexer that is defined as a class. Previous sections +showed an example of a class MyLexer. If you have the following code: + +

    +
    +m = MyLexer()
+a = lex.lex(object=m)      # Create a lexer
+
+b = a.clone()              # Clone the lexer
+
    +
    + +Then both a and b are going to be bound to the same +object m. If the object m contains internal state +related to lexing, this sharing may lead to quite a bit of confusion. To fix this, +the clone() method accepts an optional argument that can be used to supply a new object. This +can be used to clone the lexer and bind it to a new instance. For example: + +
    +
    +m = MyLexer()              # Create a lexer
+a = lex.lex(object=m)
+
+# Create a clone 
+n = MyLexer()              # New instance of MyLexer
+b = a.clone(n)             # New lexer bound to n
+
    +
    + +It may make sense to encapsulate all of this inside a method: + +
    +
    +class MyLexer:
+     ...
+     def clone(self):
+         c = MyLexer()        # Create a new instance of myself
+         # Copy attributes from self to c as appropriate
+         ...
+         # Clone the lexer
+         c.lexer = self.lexer.clone(c)
+         return c
+
    +
    + +The fact that a new instance of MyLexer may be created while cloning a lexer is the reason why you should never +invoke lex.lex() inside __init__(). If you do, the lexer will be rebuilt from scratch and you lose +all of the performance benefits of using clone() in the first place. + +

    3.17 Internal lexer state

    + + +A Lexer object lexer has a number of internal attributes that may be useful in certain +situations. + +

    +lexer.lexpos +

    +This attribute is an integer that contains the current position within the input text. If you modify +the value, it will change the result of the next call to token(). Within token rule functions, this points +to the first character after the matched text. If the value is modified within a rule, the next returned token will be +matched at the new position. +
    + +

    +lexer.lineno +

    +The current value of the line number attribute stored in the lexer. This can be modified as needed to +change the line number. +
    + +

    +lexer.lexdata +

    +The current input text stored in the lexer. This is the string passed with the input() method. It +would probably be a bad idea to modify this unless you really know what you're doing. +
    + +

    +lexer.lexmatch +

    +This is the raw Match object returned by the Python re.match() function (used internally by PLY) for the +current token. If you have written a regular expression that contains named groups, you can use this to retrieve those values. +
    + +

    3.18 Conditional lexing and start conditions

    + + +In advanced parsing applications, it may be useful to have different +lexing states. For instance, you may want the occurrence of a certain +token or syntactic construct to trigger a different kind of lexing. +PLY supports a feature that allows the underlying lexer to be put into +a series of different states. Each state can have its own tokens, +lexing rules, and so forth. The implementation is based largely on +the "start condition" feature of GNU flex. Details of this can be found +at http://www.gnu.org/software/flex/manual/html_chapter/flex_11.html.. + +

    +To define a new lexing state, it must first be declared. This is done by including a "states" declaration in your +lex file. For example: + +

    +
    +states = (
+   ('foo','exclusive'),
+   ('bar','inclusive'),
+)
+
    +
    + +This declaration declares two states, 'foo' +and 'bar'. States may be of two types; 'exclusive' +and 'inclusive'. An exclusive state completely overrides the +default behavior of the lexer. That is, lex will only return tokens +and apply rules defined specifically for that state. An inclusive +state adds additional tokens and rules to the default set of rules. +Thus, lex will return both the tokens defined by default in addition +to those defined for the inclusive state. + +

    +Once a state has been declared, tokens and rules are declared by including the +state name in token/rule declaration. For example: + +

    +
    +t_foo_NUMBER = r'\d+'                      # Token 'NUMBER' in state 'foo'        
+t_bar_ID     = r'[a-zA-Z_][a-zA-Z0-9_]*'   # Token 'ID' in state 'bar'
+
+def t_foo_newline(t):
+    r'\n'
+    t.lexer.lineno += 1
+
    +
    + +A token can be declared in multiple states by including multiple state names in the declaration. For example: + +
    +
    +t_foo_bar_NUMBER = r'\d+'         # Defines token 'NUMBER' in both state 'foo' and 'bar'
+
    +
    + +Alternative, a token can be declared in all states using the 'ANY' in the name. + +
    +
    +t_ANY_NUMBER = r'\d+'         # Defines a token 'NUMBER' in all states
+
    +
    + +If no state name is supplied, as is normally the case, the token is associated with a special state 'INITIAL'. For example, +these two declarations are identical: + +
    +
    +t_NUMBER = r'\d+'
+t_INITIAL_NUMBER = r'\d+'
+
    +
    + +

    +States are also associated with the special t_ignore and t_error() declarations. For example, if a state treats +these differently, you can declare: + +

    +
    +t_foo_ignore = " \t\n"       # Ignored characters for state 'foo'
+
+def t_bar_error(t):          # Special error handler for state 'bar'
+    pass 
+
    +
    + +By default, lexing operates in the 'INITIAL' state. This state includes all of the normally defined tokens. +For users who aren't using different states, this fact is completely transparent. If, during lexing or parsing, you want to change +the lexing state, use the begin() method. For example: + +
    +
    +def t_begin_foo(t):
+    r'start_foo'
+    t.lexer.begin('foo')             # Starts 'foo' state
+
    +
    + +To get out of a state, you use begin() to switch back to the initial state. For example: + +
    +
    +def t_foo_end(t):
+    r'end_foo'
+    t.lexer.begin('INITIAL')        # Back to the initial state
+
    +
    + +The management of states can also be done with a stack. For example: + +
    +
    +def t_begin_foo(t):
+    r'start_foo'
+    t.lexer.push_state('foo')             # Starts 'foo' state
+
+def t_foo_end(t):
+    r'end_foo'
+    t.lexer.pop_state()                   # Back to the previous state
+
    +
    + +

    +The use of a stack would be useful in situations where there are many ways of entering a new lexing state and you merely want to go back +to the previous state afterwards. + +

    +An example might help clarify. Suppose you were writing a parser and you wanted to grab sections of arbitrary C code enclosed by +curly braces. That is, whenever you encounter a starting brace '{', you want to read all of the enclosed code up to the ending brace '}' +and return it as a string. Doing this with a normal regular expression rule is nearly (if not actually) impossible. This is because braces can +be nested and can be included in comments and strings. Thus, simply matching up to the first matching '}' character isn't good enough. Here is how +you might use lexer states to do this: + +

    +
    +# Declare the state
+states = (
+  ('ccode','exclusive'),
+)
+
+# Match the first {. Enter ccode state.
+def t_ccode(t):
+    r'\{'
+    t.lexer.code_start = t.lexer.lexpos        # Record the starting position
+    t.lexer.level = 1                          # Initial brace level
+    t.lexer.begin('ccode')                     # Enter 'ccode' state
+
+# Rules for the ccode state
+def t_ccode_lbrace(t):     
+    r'\{'
+    t.lexer.level +=1                
+
+def t_ccode_rbrace(t):
+    r'\}'
+    t.lexer.level -=1
+
+    # If closing brace, return the code fragment
+    if t.lexer.level == 0:
+         t.value = t.lexer.lexdata[t.lexer.code_start:t.lexer.lexpos+1]
+         t.type = "CCODE"
+         t.lexer.lineno += t.value.count('\n')
+         t.lexer.begin('INITIAL')           
+         return t
+
+# C or C++ comment (ignore)    
+def t_ccode_comment(t):
+    r'(/\*(.|\n)*?*/)|(//.*)'
+    pass
+
+# C string
+def t_ccode_string(t):
+   r'\"([^\\\n]|(\\.))*?\"'
+
+# C character literal
+def t_ccode_char(t):
+   r'\'([^\\\n]|(\\.))*?\''
+
+# Any sequence of non-whitespace characters (not braces, strings)
+def t_ccode_nonspace(t):
+   r'[^\s\{\}\'\"]+'
+
+# Ignored characters (whitespace)
+t_ccode_ignore = " \t\n"
+
+# For bad characters, we just skip over it
+def t_ccode_error(t):
+    t.lexer.skip(1)
+
    +
    + +In this example, the occurrence of the first '{' causes the lexer to record the starting position and enter a new state 'ccode'. A collection of rules then match +various parts of the input that follow (comments, strings, etc.). All of these rules merely discard the token (by not returning a value). +However, if the closing right brace is encountered, the rule t_ccode_rbrace collects all of the code (using the earlier recorded starting +position), stores it, and returns a token 'CCODE' containing all of that text. When returning the token, the lexing state is restored back to its +initial state. + +

    3.19 Miscellaneous Issues

    + + +

    +

  • The lexer requires input to be supplied as a single input string. Since most machines have more than enough memory, this +rarely presents a performance concern. However, it means that the lexer currently can't be used with streaming data +such as open files or sockets. This limitation is primarily a side-effect of using the re module. + +

    +

  • The lexer should work properly with both Unicode strings given as token and pattern matching rules as +well as for input text. + +

    +

  • If you need to supply optional flags to the re.compile() function, use the reflags option to lex. For example: + +
    +
    +lex.lex(reflags=re.UNICODE)
+
    +
    + +

    +

  • Since the lexer is written entirely in Python, its performance is +largely determined by that of the Python re module. Although +the lexer has been written to be as efficient as possible, it's not +blazingly fast when used on very large input files. If +performance is concern, you might consider upgrading to the most +recent version of Python, creating a hand-written lexer, or offloading +the lexer into a C extension module. + +

    +If you are going to create a hand-written lexer and you plan to use it with yacc.py, +it only needs to conform to the following requirements: + +

      +
    • It must provide a token() method that returns the next token or None if no more +tokens are available. +
    • The token() method must return an object tok that has type and value attributes. +
    + +

    4. Parsing basics

    + + +yacc.py is used to parse language syntax. Before showing an +example, there are a few important bits of background that must be +mentioned. First, syntax is usually specified in terms of a BNF grammar. +For example, if you wanted to parse +simple arithmetic expressions, you might first write an unambiguous +grammar specification like this: + +
    +
     
+expression : expression + term
+           | expression - term
+           | term
+
+term       : term * factor
+           | term / factor
+           | factor
+
+factor     : NUMBER
+           | ( expression )
+
    +
    + +In the grammar, symbols such as NUMBER, +, -, *, and / are known +as terminals and correspond to raw input tokens. Identifiers such as term and factor refer to more +complex rules, typically comprised of a collection of tokens. These identifiers are known as non-terminals. +

    +The semantic behavior of a language is often specified using a +technique known as syntax directed translation. In syntax directed +translation, attributes are attached to each symbol in a given grammar +rule along with an action. Whenever a particular grammar rule is +recognized, the action describes what to do. For example, given the +expression grammar above, you might write the specification for a +simple calculator like this: + +

    +
     
+Grammar                             Action
+--------------------------------    -------------------------------------------- 
+expression0 : expression1 + term    expression0.val = expression1.val + term.val
+            | expression1 - term    expression0.val = expression1.val - term.val
+            | term                  expression0.val = term.val
+
+term0       : term1 * factor        term0.val = term1.val * factor.val
+            | term1 / factor        term0.val = term1.val / factor.val
+            | factor                term0.val = factor.val
+
+factor      : NUMBER                factor.val = int(NUMBER.lexval)
+            | ( expression )        factor.val = expression.val
+
    +
    + +A good way to think about syntax directed translation is to simply think of each symbol in the grammar as some +kind of object. The semantics of the language are then expressed as a collection of methods/operations on these +objects. + +

    +Yacc uses a parsing technique known as LR-parsing or shift-reduce parsing. LR parsing is a +bottom up technique that tries to recognize the right-hand-side of various grammar rules. +Whenever a valid right-hand-side is found in the input, the appropriate action code is triggered and the +grammar symbols are replaced by the grammar symbol on the left-hand-side. + +

    +LR parsing is commonly implemented by shifting grammar symbols onto a stack and looking at the stack and the next +input token for patterns. The details of the algorithm can be found in a compiler text, but the +following example illustrates the steps that are performed if you wanted to parse the expression +3 + 5 * (10 - 20) using the grammar defined above: + +

    +
    +Step Symbol Stack           Input Tokens            Action
+---- ---------------------  ---------------------   -------------------------------
+1    $                      3 + 5 * ( 10 - 20 )$    Shift 3
+2    $ 3                      + 5 * ( 10 - 20 )$    Reduce factor : NUMBER
+3    $ factor                 + 5 * ( 10 - 20 )$    Reduce term   : factor
+4    $ term                   + 5 * ( 10 - 20 )$    Reduce expr : term
+5    $ expr                   + 5 * ( 10 - 20 )$    Shift +
+6    $ expr +                   5 * ( 10 - 20 )$    Shift 5
+7    $ expr + 5                   * ( 10 - 20 )$    Reduce factor : NUMBER
+8    $ expr + factor              * ( 10 - 20 )$    Reduce term   : factor
+9    $ expr + term                * ( 10 - 20 )$    Shift *
+10   $ expr + term *                ( 10 - 20 )$    Shift (
+11   $ expr + term * (                10 - 20 )$    Shift 10
+12   $ expr + term * ( 10                - 20 )$    Reduce factor : NUMBER
+13   $ expr + term * ( factor            - 20 )$    Reduce term : factor
+14   $ expr + term * ( term              - 20 )$    Reduce expr : term
+15   $ expr + term * ( expr              - 20 )$    Shift -
+16   $ expr + term * ( expr -              20 )$    Shift 20
+17   $ expr + term * ( expr - 20              )$    Reduce factor : NUMBER
+18   $ expr + term * ( expr - factor          )$    Reduce term : factor
+19   $ expr + term * ( expr - term            )$    Reduce expr : expr - term
+20   $ expr + term * ( expr                   )$    Shift )
+21   $ expr + term * ( expr )                  $    Reduce factor : (expr)
+22   $ expr + term * factor                    $    Reduce term : term * factor
+23   $ expr + term                             $    Reduce expr : expr + term
+24   $ expr                                    $    Reduce expr
+25   $                                         $    Success!
+
    +
    + +When parsing the expression, an underlying state machine and the current input token determine what to do next. +If the next token looks like part of a valid grammar rule (based on other items on the stack), it is generally shifted +onto the stack. If the top of the stack contains a valid right-hand-side of a grammar rule, it is +usually "reduced" and the symbols replaced with the symbol on the left-hand-side. When this reduction occurs, the +appropriate action is triggered (if defined). If the input token can't be shifted and the top of stack doesn't match +any grammar rules, a syntax error has occurred and the parser must take some kind of recovery step (or bail out). + +

    +It is important to note that the underlying implementation is built around a large finite-state machine that is encoded +in a collection of tables. The construction of these tables is quite complicated and beyond the scope of this discussion. +However, subtle details of this process explain why, in the example above, the parser chooses to shift a token +onto the stack in step 9 rather than reducing the rule expr : expr + term. + +

    5. Yacc reference

    + + +This section describes how to use write parsers in PLY. + +

    5.1 An example

    + + +Suppose you wanted to make a grammar for simple arithmetic expressions as previously described. Here is +how you would do it with yacc.py: + +
    +
    +# Yacc example
+
+import ply.yacc as yacc
+
+# Get the token map from the lexer.  This is required.
+from calclex import tokens
+
+def p_expression_plus(p):
+    'expression : expression PLUS term'
+    p[0] = p[1] + p[3]
+
+def p_expression_minus(p):
+    'expression : expression MINUS term'
+    p[0] = p[1] - p[3]
+
+def p_expression_term(p):
+    'expression : term'
+    p[0] = p[1]
+
+def p_term_times(p):
+    'term : term TIMES factor'
+    p[0] = p[1] * p[3]
+
+def p_term_div(p):
+    'term : term DIVIDE factor'
+    p[0] = p[1] / p[3]
+
+def p_term_factor(p):
+    'term : factor'
+    p[0] = p[1]
+
+def p_factor_num(p):
+    'factor : NUMBER'
+    p[0] = p[1]
+
+def p_factor_expr(p):
+    'factor : LPAREN expression RPAREN'
+    p[0] = p[2]
+
+# Error rule for syntax errors
+def p_error(p):
+    print "Syntax error in input!"
+
+# Build the parser
+yacc.yacc()
+
+# Use this if you want to build the parser using SLR instead of LALR
+# yacc.yacc(method="SLR")
+
+while 1:
+   try:
+       s = raw_input('calc > ')
+   except EOFError:
+       break
+   if not s: continue
+   result = yacc.parse(s)
+   print result
+
    +
    + +In this example, each grammar rule is defined by a Python function where the docstring to that function contains the +appropriate context-free grammar specification. Each function accepts a single +argument p that is a sequence containing the values of each grammar symbol in the corresponding rule. The values of +p[i] are mapped to grammar symbols as shown here: + +
    +
    +def p_expression_plus(p):
+    'expression : expression PLUS term'
+    #   ^            ^        ^    ^
+    #  p[0]         p[1]     p[2] p[3]
+
+    p[0] = p[1] + p[3]
+
    +
    + +For tokens, the "value" of the corresponding p[i] is the +same as the p.value attribute assigned +in the lexer module. For non-terminals, the value is determined by +whatever is placed in p[0] when rules are reduced. This +value can be anything at all. However, it probably most common for +the value to be a simple Python type, a tuple, or an instance. In this example, we +are relying on the fact that the NUMBER token stores an integer value in its value +field. All of the other rules simply perform various types of integer operations and store +the result. + +

    +Note: The use of negative indices have a special meaning in yacc---specially p[-1] does +not have the same value as p[3] in this example. Please see the section on "Embedded Actions" for further +details. + +

    +The first rule defined in the yacc specification determines the starting grammar +symbol (in this case, a rule for expression appears first). Whenever +the starting rule is reduced by the parser and no more input is available, parsing +stops and the final value is returned (this value will be whatever the top-most rule +placed in p[0]). Note: an alternative starting symbol can be specified using the start keyword argument to +yacc(). + +

    The p_error(p) rule is defined to catch syntax errors. See the error handling section +below for more detail. + +

    +To build the parser, call the yacc.yacc() function. This function +looks at the module and attempts to construct all of the LR parsing tables for the grammar +you have specified. The first time yacc.yacc() is invoked, you will get a message +such as this: + +

    +
    +$ python calcparse.py
+yacc: Generating LALR parsing table...  
+calc > 
+
    +
    + +Since table construction is relatively expensive (especially for large +grammars), the resulting parsing table is written to the current +directory in a file called parsetab.py. In addition, a +debugging file called parser.out is created. On subsequent +executions, yacc will reload the table from +parsetab.py unless it has detected a change in the underlying +grammar (in which case the tables and parsetab.py file are +regenerated). Note: The names of parser output files can be changed if necessary. See the notes that follow later. + +

    +If any errors are detected in your grammar specification, yacc.py will produce +diagnostic messages and possibly raise an exception. Some of the errors that can be detected include: + +

      +
    • Duplicated function names (if more than one rule function have the same name in the grammar file). +
    • Shift/reduce and reduce/reduce conflicts generated by ambiguous grammars. +
    • Badly specified grammar rules. +
    • Infinite recursion (rules that can never terminate). +
    • Unused rules and tokens +
    • Undefined rules and tokens +
    + +The next few sections now discuss a few finer points of grammar construction. + +

    5.2 Combining Grammar Rule Functions

    + + +When grammar rules are similar, they can be combined into a single function. +For example, consider the two rules in our earlier example: + +
    +
    +def p_expression_plus(p):
+    'expression : expression PLUS term'
+    p[0] = p[1] + p[3]
+
+def p_expression_minus(t):
+    'expression : expression MINUS term'
+    p[0] = p[1] - p[3]
+
    +
    + +Instead of writing two functions, you might write a single function like this: + +
    +
    +def p_expression(p):
+    '''expression : expression PLUS term
+                  | expression MINUS term'''
+    if p[2] == '+':
+        p[0] = p[1] + p[3]
+    elif p[2] == '-':
+        p[0] = p[1] - p[3]
+
    +
    + +In general, the doc string for any given function can contain multiple grammar rules. So, it would +have also been legal (although possibly confusing) to write this: + +
    +
    +def p_binary_operators(p):
+    '''expression : expression PLUS term
+                  | expression MINUS term
+       term       : term TIMES factor
+                  | term DIVIDE factor'''
+    if p[2] == '+':
+        p[0] = p[1] + p[3]
+    elif p[2] == '-':
+        p[0] = p[1] - p[3]
+    elif p[2] == '*':
+        p[0] = p[1] * p[3]
+    elif p[2] == '/':
+        p[0] = p[1] / p[3]
+
    +
    + +When combining grammar rules into a single function, it is usually a good idea for all of the rules to have +a similar structure (e.g., the same number of terms). Otherwise, the corresponding action code may be more +complicated than necessary. However, it is possible to handle simple cases using len(). For example: + +
    +
    +def p_expressions(p):
+    '''expression : expression MINUS expression
+                  | MINUS expression'''
+    if (len(p) == 4):
+        p[0] = p[1] - p[3]
+    elif (len(p) == 3):
+        p[0] = -p[2]
+
    +
    + +

    5.3 Character Literals

    + + +If desired, a grammar may contain tokens defined as single character literals. For example: + +
    +
    +def p_binary_operators(p):
+    '''expression : expression '+' term
+                  | expression '-' term
+       term       : term '*' factor
+                  | term '/' factor'''
+    if p[2] == '+':
+        p[0] = p[1] + p[3]
+    elif p[2] == '-':
+        p[0] = p[1] - p[3]
+    elif p[2] == '*':
+        p[0] = p[1] * p[3]
+    elif p[2] == '/':
+        p[0] = p[1] / p[3]
+
    +
    + +A character literal must be enclosed in quotes such as '+'. In addition, if literals are used, they must be declared in the +corresponding lex file through the use of a special literals declaration. + +
    +
    +# Literals.  Should be placed in module given to lex()
+literals = ['+','-','*','/' ]
+
    +
    + +Character literals are limited to a single character. Thus, it is not legal to specify literals such as '<=' or '=='. For this, use +the normal lexing rules (e.g., define a rule such as t_EQ = r'=='). + +

    5.4 Empty Productions

    + + +yacc.py can handle empty productions by defining a rule like this: + +
    +
    +def p_empty(p):
+    'empty :'
+    pass
+
    +
    + +Now to use the empty production, simply use 'empty' as a symbol. For example: + +
    +
    +def p_optitem(p):
+    'optitem : item'
+    '        | empty'
+    ...
+
    +
    + +Note: You can write empty rules anywhere by simply specifying an empty right hand side. However, I personally find that +writing an "empty" rule and using "empty" to denote an empty production is easier to read. + +

    5.5 Changing the starting symbol

    + + +Normally, the first rule found in a yacc specification defines the starting grammar rule (top level rule). To change this, simply +supply a start specifier in your file. For example: + +
    +
    +start = 'foo'
+
+def p_bar(p):
+    'bar : A B'
+
+# This is the starting rule due to the start specifier above
+def p_foo(p):
+    'foo : bar X'
+...
+
    +
    + +The use of a start specifier may be useful during debugging since you can use it to have yacc build a subset of +a larger grammar. For this purpose, it is also possible to specify a starting symbol as an argument to yacc(). For example: + +
    +
    +yacc.yacc(start='foo')
+
    +
    + +

    5.6 Dealing With Ambiguous Grammars

    + + +The expression grammar given in the earlier example has been written in a special format to eliminate ambiguity. +However, in many situations, it is extremely difficult or awkward to write grammars in this format. A +much more natural way to express the grammar is in a more compact form like this: + +
    +
    +expression : expression PLUS expression
+           | expression MINUS expression
+           | expression TIMES expression
+           | expression DIVIDE expression
+           | LPAREN expression RPAREN
+           | NUMBER
+
    +
    + +Unfortunately, this grammar specification is ambiguous. For example, if you are parsing the string +"3 * 4 + 5", there is no way to tell how the operators are supposed to be grouped. +For example, does the expression mean "(3 * 4) + 5" or is it "3 * (4+5)"? + +

    +When an ambiguous grammar is given to yacc.py it will print messages about "shift/reduce conflicts" +or a "reduce/reduce conflicts". A shift/reduce conflict is caused when the parser generator can't decide +whether or not to reduce a rule or shift a symbol on the parsing stack. For example, consider +the string "3 * 4 + 5" and the internal parsing stack: + +

    +
    +Step Symbol Stack           Input Tokens            Action
+---- ---------------------  ---------------------   -------------------------------
+1    $                                3 * 4 + 5$    Shift 3
+2    $ 3                                * 4 + 5$    Reduce : expression : NUMBER
+3    $ expr                             * 4 + 5$    Shift *
+4    $ expr *                             4 + 5$    Shift 4
+5    $ expr * 4                             + 5$    Reduce: expression : NUMBER
+6    $ expr * expr                          + 5$    SHIFT/REDUCE CONFLICT ????
+
    +
    + +In this case, when the parser reaches step 6, it has two options. One is to reduce the +rule expr : expr * expr on the stack. The other option is to shift the +token + on the stack. Both options are perfectly legal from the rules +of the context-free-grammar. + +

    +By default, all shift/reduce conflicts are resolved in favor of shifting. Therefore, in the above +example, the parser will always shift the + instead of reducing. Although this +strategy works in many cases (including the ambiguous if-then-else), it is not enough for arithmetic +expressions. In fact, in the above example, the decision to shift + is completely wrong---we should have +reduced expr * expr since multiplication has higher mathematical precedence than addition. + +

    To resolve ambiguity, especially in expression grammars, yacc.py allows individual +tokens to be assigned a precedence level and associativity. This is done by adding a variable +precedence to the grammar file like this: + +

    +
    +precedence = (
+    ('left', 'PLUS', 'MINUS'),
+    ('left', 'TIMES', 'DIVIDE'),
+)
+
    +
    + +This declaration specifies that PLUS/MINUS have +the same precedence level and are left-associative and that +TIMES/DIVIDE have the same precedence and are left-associative. +Within the precedence declaration, tokens are ordered from lowest to highest precedence. Thus, +this declaration specifies that TIMES/DIVIDE have higher +precedence than PLUS/MINUS (since they appear later in the +precedence specification). + +

    +The precedence specification works by associating a numerical precedence level value and associativity direction to +the listed tokens. For example, in the above example you get: + +

    +
    +PLUS      : level = 1,  assoc = 'left'
+MINUS     : level = 1,  assoc = 'left'
+TIMES     : level = 2,  assoc = 'left'
+DIVIDE    : level = 2,  assoc = 'left'
+
    +
    + +These values are then used to attach a numerical precedence value and associativity direction +to each grammar rule. This is always determined by looking at the precedence of the right-most terminal symbol. +For example: + +
    +
    +expression : expression PLUS expression                 # level = 1, left
+           | expression MINUS expression                # level = 1, left
+           | expression TIMES expression                # level = 2, left
+           | expression DIVIDE expression               # level = 2, left
+           | LPAREN expression RPAREN                   # level = None (not specified)
+           | NUMBER                                     # level = None (not specified)
+
    +
    + +When shift/reduce conflicts are encountered, the parser generator resolves the conflict by +looking at the precedence rules and associativity specifiers. + +

    +

      +
    1. If the current token has higher precedence, it is shifted. +
    2. If the grammar rule on the stack has higher precedence, the rule is reduced. +
    3. If the current token and the grammar rule have the same precedence, the +rule is reduced for left associativity, whereas the token is shifted for right associativity. +
    4. If nothing is known about the precedence, shift/reduce conflicts are resolved in +favor of shifting (the default). +
    + +For example, if "expression PLUS expression" has been parsed and the next token +is "TIMES", the action is going to be a shift because "TIMES" has a higher precedence level than "PLUS". On the other +hand, if "expression TIMES expression" has been parsed and the next token is "PLUS", the action +is going to be reduce because "PLUS" has a lower precedence than "TIMES." + +

    +When shift/reduce conflicts are resolved using the first three techniques (with the help of +precedence rules), yacc.py will report no errors or conflicts in the grammar. + +

    +One problem with the precedence specifier technique is that it is sometimes necessary to +change the precedence of an operator in certain contents. For example, consider a unary-minus operator +in "3 + 4 * -5". Normally, unary minus has a very high precedence--being evaluated before the multiply. +However, in our precedence specifier, MINUS has a lower precedence than TIMES. To deal with this, +precedence rules can be given for fictitious tokens like this: + +

    +
    +precedence = (
+    ('left', 'PLUS', 'MINUS'),
+    ('left', 'TIMES', 'DIVIDE'),
+    ('right', 'UMINUS'),            # Unary minus operator
+)
+
    +
    + +Now, in the grammar file, we can write our unary minus rule like this: + +
    +
    +def p_expr_uminus(p):
+    'expression : MINUS expression %prec UMINUS'
+    p[0] = -p[2]
+
    +
    + +In this case, %prec UMINUS overrides the default rule precedence--setting it to that +of UMINUS in the precedence specifier. + +

    +At first, the use of UMINUS in this example may appear very confusing. +UMINUS is not an input token or a grammer rule. Instead, you should +think of it as the name of a special marker in the precedence table. When you use the %prec qualifier, you're simply +telling yacc that you want the precedence of the expression to be the same as for this special marker instead of the usual precedence. + +

    +It is also possible to specify non-associativity in the precedence table. This would +be used when you don't want operations to chain together. For example, suppose +you wanted to support comparison operators like < and > but you didn't want to allow +combinations like a < b < c. To do this, simply specify a rule like this: + +

    +
    +precedence = (
+    ('nonassoc', 'LESSTHAN', 'GREATERTHAN'),  # Nonassociative operators
+    ('left', 'PLUS', 'MINUS'),
+    ('left', 'TIMES', 'DIVIDE'),
+    ('right', 'UMINUS'),            # Unary minus operator
+)
+
    +
    + +

    +If you do this, the occurrence of input text such as a < b < c will result in a syntax error. However, simple +expressions such as a < b will still be fine. + +

    +Reduce/reduce conflicts are caused when there are multiple grammar +rules that can be applied to a given set of symbols. This kind of +conflict is almost always bad and is always resolved by picking the +rule that appears first in the grammar file. Reduce/reduce conflicts +are almost always caused when different sets of grammar rules somehow +generate the same set of symbols. For example: + +

    +
    +assignment :  ID EQUALS NUMBER
+           |  ID EQUALS expression
+           
+expression : expression PLUS expression
+           | expression MINUS expression
+           | expression TIMES expression
+           | expression DIVIDE expression
+           | LPAREN expression RPAREN
+           | NUMBER
+
    +
    + +In this case, a reduce/reduce conflict exists between these two rules: + +
    +
    +assignment  : ID EQUALS NUMBER
+expression  : NUMBER
+
    +
    + +For example, if you wrote "a = 5", the parser can't figure out if this +is supposed to be reduced as assignment : ID EQUALS NUMBER or +whether it's supposed to reduce the 5 as an expression and then reduce +the rule assignment : ID EQUALS expression. + +

    +It should be noted that reduce/reduce conflicts are notoriously difficult to spot +simply looking at the input grammer. To locate these, it is usually easier to look at the +parser.out debugging file with an appropriately high level of caffeination. + +

    5.7 The parser.out file

    + + +Tracking down shift/reduce and reduce/reduce conflicts is one of the finer pleasures of using an LR +parsing algorithm. To assist in debugging, yacc.py creates a debugging file called +'parser.out' when it generates the parsing table. The contents of this file look like the following: + +
    +
    +Unused terminals:
+
+
+Grammar
+
+Rule 1     expression -> expression PLUS expression
+Rule 2     expression -> expression MINUS expression
+Rule 3     expression -> expression TIMES expression
+Rule 4     expression -> expression DIVIDE expression
+Rule 5     expression -> NUMBER
+Rule 6     expression -> LPAREN expression RPAREN
+
+Terminals, with rules where they appear
+
+TIMES                : 3
+error                : 
+MINUS                : 2
+RPAREN               : 6
+LPAREN               : 6
+DIVIDE               : 4
+PLUS                 : 1
+NUMBER               : 5
+
+Nonterminals, with rules where they appear
+
+expression           : 1 1 2 2 3 3 4 4 6 0
+
+
+Parsing method: LALR
+
+
+state 0
+
+    S' -> . expression
+    expression -> . expression PLUS expression
+    expression -> . expression MINUS expression
+    expression -> . expression TIMES expression
+    expression -> . expression DIVIDE expression
+    expression -> . NUMBER
+    expression -> . LPAREN expression RPAREN
+
+    NUMBER          shift and go to state 3
+    LPAREN          shift and go to state 2
+
+
+state 1
+
+    S' -> expression .
+    expression -> expression . PLUS expression
+    expression -> expression . MINUS expression
+    expression -> expression . TIMES expression
+    expression -> expression . DIVIDE expression
+
+    PLUS            shift and go to state 6
+    MINUS           shift and go to state 5
+    TIMES           shift and go to state 4
+    DIVIDE          shift and go to state 7
+
+
+state 2
+
+    expression -> LPAREN . expression RPAREN
+    expression -> . expression PLUS expression
+    expression -> . expression MINUS expression
+    expression -> . expression TIMES expression
+    expression -> . expression DIVIDE expression
+    expression -> . NUMBER
+    expression -> . LPAREN expression RPAREN
+
+    NUMBER          shift and go to state 3
+    LPAREN          shift and go to state 2
+
+
+state 3
+
+    expression -> NUMBER .
+
+    $               reduce using rule 5
+    PLUS            reduce using rule 5
+    MINUS           reduce using rule 5
+    TIMES           reduce using rule 5
+    DIVIDE          reduce using rule 5
+    RPAREN          reduce using rule 5
+
+
+state 4
+
+    expression -> expression TIMES . expression
+    expression -> . expression PLUS expression
+    expression -> . expression MINUS expression
+    expression -> . expression TIMES expression
+    expression -> . expression DIVIDE expression
+    expression -> . NUMBER
+    expression -> . LPAREN expression RPAREN
+
+    NUMBER          shift and go to state 3
+    LPAREN          shift and go to state 2
+
+
+state 5
+
+    expression -> expression MINUS . expression
+    expression -> . expression PLUS expression
+    expression -> . expression MINUS expression
+    expression -> . expression TIMES expression
+    expression -> . expression DIVIDE expression
+    expression -> . NUMBER
+    expression -> . LPAREN expression RPAREN
+
+    NUMBER          shift and go to state 3
+    LPAREN          shift and go to state 2
+
+
+state 6
+
+    expression -> expression PLUS . expression
+    expression -> . expression PLUS expression
+    expression -> . expression MINUS expression
+    expression -> . expression TIMES expression
+    expression -> . expression DIVIDE expression
+    expression -> . NUMBER
+    expression -> . LPAREN expression RPAREN
+
+    NUMBER          shift and go to state 3
+    LPAREN          shift and go to state 2
+
+
+state 7
+
+    expression -> expression DIVIDE . expression
+    expression -> . expression PLUS expression
+    expression -> . expression MINUS expression
+    expression -> . expression TIMES expression
+    expression -> . expression DIVIDE expression
+    expression -> . NUMBER
+    expression -> . LPAREN expression RPAREN
+
+    NUMBER          shift and go to state 3
+    LPAREN          shift and go to state 2
+
+
+state 8
+
+    expression -> LPAREN expression . RPAREN
+    expression -> expression . PLUS expression
+    expression -> expression . MINUS expression
+    expression -> expression . TIMES expression
+    expression -> expression . DIVIDE expression
+
+    RPAREN          shift and go to state 13
+    PLUS            shift and go to state 6
+    MINUS           shift and go to state 5
+    TIMES           shift and go to state 4
+    DIVIDE          shift and go to state 7
+
+
+state 9
+
+    expression -> expression TIMES expression .
+    expression -> expression . PLUS expression
+    expression -> expression . MINUS expression
+    expression -> expression . TIMES expression
+    expression -> expression . DIVIDE expression
+
+    $               reduce using rule 3
+    PLUS            reduce using rule 3
+    MINUS           reduce using rule 3
+    TIMES           reduce using rule 3
+    DIVIDE          reduce using rule 3
+    RPAREN          reduce using rule 3
+
+  ! PLUS            [ shift and go to state 6 ]
+  ! MINUS           [ shift and go to state 5 ]
+  ! TIMES           [ shift and go to state 4 ]
+  ! DIVIDE          [ shift and go to state 7 ]
+
+state 10
+
+    expression -> expression MINUS expression .
+    expression -> expression . PLUS expression
+    expression -> expression . MINUS expression
+    expression -> expression . TIMES expression
+    expression -> expression . DIVIDE expression
+
+    $               reduce using rule 2
+    PLUS            reduce using rule 2
+    MINUS           reduce using rule 2
+    RPAREN          reduce using rule 2
+    TIMES           shift and go to state 4
+    DIVIDE          shift and go to state 7
+
+  ! TIMES           [ reduce using rule 2 ]
+  ! DIVIDE          [ reduce using rule 2 ]
+  ! PLUS            [ shift and go to state 6 ]
+  ! MINUS           [ shift and go to state 5 ]
+
+state 11
+
+    expression -> expression PLUS expression .
+    expression -> expression . PLUS expression
+    expression -> expression . MINUS expression
+    expression -> expression . TIMES expression
+    expression -> expression . DIVIDE expression
+
+    $               reduce using rule 1
+    PLUS            reduce using rule 1
+    MINUS           reduce using rule 1
+    RPAREN          reduce using rule 1
+    TIMES           shift and go to state 4
+    DIVIDE          shift and go to state 7
+
+  ! TIMES           [ reduce using rule 1 ]
+  ! DIVIDE          [ reduce using rule 1 ]
+  ! PLUS            [ shift and go to state 6 ]
+  ! MINUS           [ shift and go to state 5 ]
+
+state 12
+
+    expression -> expression DIVIDE expression .
+    expression -> expression . PLUS expression
+    expression -> expression . MINUS expression
+    expression -> expression . TIMES expression
+    expression -> expression . DIVIDE expression
+
+    $               reduce using rule 4
+    PLUS            reduce using rule 4
+    MINUS           reduce using rule 4
+    TIMES           reduce using rule 4
+    DIVIDE          reduce using rule 4
+    RPAREN          reduce using rule 4
+
+  ! PLUS            [ shift and go to state 6 ]
+  ! MINUS           [ shift and go to state 5 ]
+  ! TIMES           [ shift and go to state 4 ]
+  ! DIVIDE          [ shift and go to state 7 ]
+
+state 13
+
+    expression -> LPAREN expression RPAREN .
+
+    $               reduce using rule 6
+    PLUS            reduce using rule 6
+    MINUS           reduce using rule 6
+    TIMES           reduce using rule 6
+    DIVIDE          reduce using rule 6
+    RPAREN          reduce using rule 6
+
    +
    + +In the file, each state of the grammar is described. Within each state the "." indicates the current +location of the parse within any applicable grammar rules. In addition, the actions for each valid +input token are listed. When a shift/reduce or reduce/reduce conflict arises, rules not selected +are prefixed with an !. For example: + +
    +
    +  ! TIMES           [ reduce using rule 2 ]
+  ! DIVIDE          [ reduce using rule 2 ]
+  ! PLUS            [ shift and go to state 6 ]
+  ! MINUS           [ shift and go to state 5 ]
+
    +
    + +By looking at these rules (and with a little practice), you can usually track down the source +of most parsing conflicts. It should also be stressed that not all shift-reduce conflicts are +bad. However, the only way to be sure that they are resolved correctly is to look at parser.out. + +

    5.8 Syntax Error Handling

    + + +When a syntax error occurs during parsing, the error is immediately +detected (i.e., the parser does not read any more tokens beyond the +source of the error). Error recovery in LR parsers is a delicate +topic that involves ancient rituals and black-magic. The recovery mechanism +provided by yacc.py is comparable to Unix yacc so you may want +consult a book like O'Reilly's "Lex and Yacc" for some of the finer details. + +

    +When a syntax error occurs, yacc.py performs the following steps: + +

      +
    1. On the first occurrence of an error, the user-defined p_error() function +is called with the offending token as an argument. Afterwards, the parser enters +an "error-recovery" mode in which it will not make future calls to p_error() until it +has successfully shifted at least 3 tokens onto the parsing stack. + +

      +

    2. If no recovery action is taken in p_error(), the offending lookahead token is replaced +with a special error token. + +

      +

    3. If the offending lookahead token is already set to error, the top item of the parsing stack is +deleted. + +

      +

    4. If the entire parsing stack is unwound, the parser enters a restart state and attempts to start +parsing from its initial state. + +

      +

    5. If a grammar rule accepts error as a token, it will be +shifted onto the parsing stack. + +

      +

    6. If the top item of the parsing stack is error, lookahead tokens will be discarded until the +parser can successfully shift a new symbol or reduce a rule involving error. +
    + +

    5.8.1 Recovery and resynchronization with error rules

    + + +The most well-behaved approach for handling syntax errors is to write grammar rules that include the error +token. For example, suppose your language had a grammar rule for a print statement like this: + +
    +
    +def p_statement_print(p):
+     'statement : PRINT expr SEMI'
+     ...
+
    +
    + +To account for the possibility of a bad expression, you might write an additional grammar rule like this: + +
    +
    +def p_statement_print_error(p):
+     'statement : PRINT error SEMI'
+     print "Syntax error in print statement. Bad expression"
+
+
    +
    + +In this case, the error token will match any sequence of +tokens that might appear up to the first semicolon that is +encountered. Once the semicolon is reached, the rule will be +invoked and the error token will go away. + +

    +This type of recovery is sometimes known as parser resynchronization. +The error token acts as a wildcard for any bad input text and +the token immediately following error acts as a +synchronization token. + +

    +It is important to note that the error token usually does not appear as the last token +on the right in an error rule. For example: + +

    +
    +def p_statement_print_error(p):
+    'statement : PRINT error'
+    print "Syntax error in print statement. Bad expression"
+
    +
    + +This is because the first bad token encountered will cause the rule to +be reduced--which may make it difficult to recover if more bad tokens +immediately follow. + +

    5.8.2 Panic mode recovery

    + + +An alternative error recovery scheme is to enter a panic mode recovery in which tokens are +discarded to a point where the parser might be able to recover in some sensible manner. + +

    +Panic mode recovery is implemented entirely in the p_error() function. For example, this +function starts discarding tokens until it reaches a closing '}'. Then, it restarts the +parser in its initial state. + +

    +
    +def p_error(p):
+    print "Whoa. You are seriously hosed."
+    # Read ahead looking for a closing '}'
+    while 1:
+        tok = yacc.token()             # Get the next token
+        if not tok or tok.type == 'RBRACE': break
+    yacc.restart()
+
    +
    + +

    +This function simply discards the bad token and tells the parser that the error was ok. + +

    +
    +def p_error(p):
+    print "Syntax error at token", p.type
+    # Just discard the token and tell the parser it's okay.
+    yacc.errok()
+
    +
    + +

    +Within the p_error() function, three functions are available to control the behavior +of the parser: +

    +

      +
    • yacc.errok(). This resets the parser state so it doesn't think it's in error-recovery +mode. This will prevent an error token from being generated and will reset the internal +error counters so that the next syntax error will call p_error() again. + +

      +

    • yacc.token(). This returns the next token on the input stream. + +

      +

    • yacc.restart(). This discards the entire parsing stack and resets the parser +to its initial state. +
    + +Note: these functions are only available when invoking p_error() and are not available +at any other time. + +

    +To supply the next lookahead token to the parser, p_error() can return a token. This might be +useful if trying to synchronize on special characters. For example: + +

    +
    +def p_error(p):
+    # Read ahead looking for a terminating ";"
+    while 1:
+        tok = yacc.token()             # Get the next token
+        if not tok or tok.type == 'SEMI': break
+    yacc.errok()
+
+    # Return SEMI to the parser as the next lookahead token
+    return tok  
+
    +
    + +

    5.8.3 General comments on error handling

    + + +For normal types of languages, error recovery with error rules and resynchronization characters is probably the most reliable +technique. This is because you can instrument the grammar to catch errors at selected places where it is relatively easy +to recover and continue parsing. Panic mode recovery is really only useful in certain specialized applications where you might want +to discard huge portions of the input text to find a valid restart point. + +

    5.9 Line Number and Position Tracking

    + + +yacc.py automatically tracks line numbers and positions for all of the grammar symbols and tokens it processes. To retrieve the line +numbers, two functions are used in grammar rules: + +
      +
    • p.lineno(num). Return the starting line number for symbol num +
    • p.linespan(num). Return a tuple (startline,endline) with the starting and ending line number for symbol num. +
    + +For example: + +
    +
    +def p_expression(p):
+    'expression : expression PLUS expression'
+    p.lineno(1)        # Line number of the left expression
+    p.lineno(2)        # line number of the PLUS operator
+    p.lineno(3)        # line number of the right expression
+    ...
+    start,end = p.linespan(3)    # Start,end lines of the right expression
+
+
    +
    + +Since line numbers are managed internally by the parser, there is usually no need to modify the line +numbers. However, if you want to save the line numbers in a parse-tree node, you will need to make your own +private copy. + +

    +To get positional information about where tokens were lexed, the following two functions are used: + +

      +
    • p.lexpos(num). Return the starting lexing position for symbol num +
    • p.lexspan(num). Return a tuple (start,end) with the starting and ending positions for symbol num. +
    + +For example: + +
    +
    +def p_expression(p):
+    'expression : expression PLUS expression'
+    p.lexpos(1)        # Lexing position of the left expression
+    p.lexpos(2)        # Lexing position of the PLUS operator
+    p.lexpos(3)        # Lexing position of the right expression
+    ...
+    start,end = p.lexspan(3)    # Start,end positions of the right expression
+
    +
    + +Note: The lexspan() function only returns the range of values up the start of the last grammar symbol. + +

    5.10 AST Construction

    + + +yacc.py provides no special functions for constructing an abstract syntax tree. However, such +construction is easy enough to do on your own. Simply create a data structure for abstract syntax tree nodes +and assign nodes to p[0] in each rule. + +For example: + +
    +
    +class Expr: pass
+
+class BinOp(Expr):
+    def __init__(self,left,op,right):
+        self.type = "binop"
+        self.left = left
+        self.right = right
+        self.op = op
+
+class Number(Expr):
+    def __init__(self,value):
+        self.type = "number"
+        self.value = value
+
+def p_expression_binop(p):
+    '''expression : expression PLUS expression
+                  | expression MINUS expression
+                  | expression TIMES expression
+                  | expression DIVIDE expression'''
+
+    p[0] = BinOp(p[1],p[2],p[3])
+
+def p_expression_group(p):
+    'expression : LPAREN expression RPAREN'
+    p[0] = p[2]
+
+def p_expression_number(p):
+    'expression : NUMBER'
+    p[0] = Number(p[1])
+
    +
    + +To simplify tree traversal, it may make sense to pick a very generic tree structure for your parse tree nodes. +For example: + +
    +
    +class Node:
+    def __init__(self,type,children=None,leaf=None):
+         self.type = type
+         if children:
+              self.children = children
+         else:
+              self.children = [ ]
+         self.leaf = leaf
+	 
+def p_expression_binop(p):
+    '''expression : expression PLUS expression
+                  | expression MINUS expression
+                  | expression TIMES expression
+                  | expression DIVIDE expression'''
+
+    p[0] = Node("binop", [p[1],p[3]], p[2])
+
    +
    + +

    5.11 Embedded Actions

    + + +The parsing technique used by yacc only allows actions to be executed at the end of a rule. For example, +suppose you have a rule like this: + +
    +
    +def p_foo(p):
+    "foo : A B C D"
+    print "Parsed a foo", p[1],p[2],p[3],p[4]
+
    +
    + +

    +In this case, the supplied action code only executes after all of the +symbols A, B, C, and D have been +parsed. Sometimes, however, it is useful to execute small code +fragments during intermediate stages of parsing. For example, suppose +you wanted to perform some action immediately after A has +been parsed. To do this, you can write a empty rule like this: + +

    +
    +def p_foo(p):
+    "foo : A seen_A B C D"
+    print "Parsed a foo", p[1],p[3],p[4],p[5]
+    print "seen_A returned", p[2]
+
+def p_seen_A(p):
+    "seen_A :"
+    print "Saw an A = ", p[-1]   # Access grammar symbol to left
+    p[0] = some_value            # Assign value to seen_A
+
+
    +
    + +

    +In this example, the empty seen_A rule executes immediately +after A is shifted onto the parsing stack. Within this +rule, p[-1] refers to the symbol on the stack that appears +immediately to the left of the seen_A symbol. In this case, +it would be the value of A in the foo rule +immediately above. Like other rules, a value can be returned from an +embedded action by simply assigning it to p[0] + +

    +The use of embedded actions can sometimes introduce extra shift/reduce conflicts. For example, +this grammar has no conflicts: + +

    +
    +def p_foo(p):
+    """foo : abcd
+           | abcx"""
+
+def p_abcd(p):
+    "abcd : A B C D"
+
+def p_abcx(p):
+    "abcx : A B C X"
+
    +
    + +However, if you insert an embedded action into one of the rules like this, + +
    +
    +def p_foo(p):
+    """foo : abcd
+           | abcx"""
+
+def p_abcd(p):
+    "abcd : A B C D"
+
+def p_abcx(p):
+    "abcx : A B seen_AB C X"
+
+def p_seen_AB(p):
+    "seen_AB :"
+
    +
    + +an extra shift-reduce conflict will be introduced. This conflict is caused by the fact that the same symbol C appears next in +both the abcd and abcx rules. The parser can either shift the symbol (abcd rule) or reduce the empty rule seen_AB (abcx rule). + +

    +A common use of embedded rules is to control other aspects of parsing +such as scoping of local variables. For example, if you were parsing C code, you might +write code like this: + +

    +
    +def p_statements_block(p):
+    "statements: LBRACE new_scope statements RBRACE"""
+    # Action code
+    ...
+    pop_scope()        # Return to previous scope
+
+def p_new_scope(p):
+    "new_scope :"
+    # Create a new scope for local variables
+    s = new_scope()
+    push_scope(s)
+    ...
+
    +
    + +In this case, the embedded action new_scope executes immediately after a LBRACE ({) symbol is parsed. This might +adjust internal symbol tables and other aspects of the parser. Upon completion of the rule statements_block, code might undo the operations performed in the embedded action (e.g., pop_scope()). + +

    5.12 Yacc implementation notes

    + + +
      +
    • The default parsing method is LALR. To use SLR instead, run yacc() as follows: + +
      +
      +yacc.yacc(method="SLR")
+
      +
      +Note: LALR table generation takes approximately twice as long as SLR table generation. There is no +difference in actual parsing performance---the same code is used in both cases. LALR is preferred when working +with more complicated grammars since it is more powerful. + +

      + +

    • By default, yacc.py relies on lex.py for tokenizing. However, an alternative tokenizer +can be supplied as follows: + +
      +
      +yacc.parse(lexer=x)
+
      +
      +in this case, x must be a Lexer object that minimally has a x.token() method for retrieving the next +token. If an input string is given to yacc.parse(), the lexer must also have an x.input() method. + +

      +

    • By default, the yacc generates tables in debugging mode (which produces the parser.out file and other output). +To disable this, use + +
      +
      +yacc.yacc(debug=0)
+
      +
      + +

      +

    • To change the name of the parsetab.py file, use: + +
      +
      +yacc.yacc(tabmodule="foo")
+
      +
      + +

      +

    • To change the directory in which the parsetab.py file (and other output files) are written, use: +
      +
      +yacc.yacc(tabmodule="foo",outputdir="somedirectory")
+
      +
      + +

      +

    • To prevent yacc from generating any kind of parser table file, use: +
      +
      +yacc.yacc(write_tables=0)
+
      +
      + +Note: If you disable table generation, yacc() will regenerate the parsing tables +each time it runs (which may take awhile depending on how large your grammar is). + +

      +

    • To print copious amounts of debugging during parsing, use: + +
      +
      +yacc.parse(debug=1)
+
      +
      + +

      +

    • To redirect the debugging output to a filename of your choosing, use: + +
      +
      +yacc.parse(debug=1, debugfile="debugging.out")
+
      +
      + +

      +

    • The yacc.yacc() function really returns a parser object. If you want to support multiple +parsers in the same application, do this: + +
      +
      +p = yacc.yacc()
+...
+p.parse()
+
      +
      + +Note: The function yacc.parse() is bound to the last parser that was generated. + +

      +

    • Since the generation of the LALR tables is relatively expensive, previously generated tables are +cached and reused if possible. The decision to regenerate the tables is determined by taking an MD5 +checksum of all grammar rules and precedence rules. Only in the event of a mismatch are the tables regenerated. + +

      +It should be noted that table generation is reasonably efficient, even for grammars that involve around a 100 rules +and several hundred states. For more complex languages such as C, table generation may take 30-60 seconds on a slow +machine. Please be patient. + +

      +

    • Since LR parsing is driven by tables, the performance of the parser is largely independent of the +size of the grammar. The biggest bottlenecks will be the lexer and the complexity of the code in your grammar rules. +
    + +

    6. Parser and Lexer State Management

    + + +In advanced parsing applications, you may want to have multiple +parsers and lexers. Furthermore, the parser may want to control the +behavior of the lexer in some way. + +

    +To do this, it is important to note that both the lexer and parser are +actually implemented as objects. These objects are returned by the +lex() and yacc() functions respectively. For example: + +

    +
    +lexer  = lex.lex()       # Return lexer object
+parser = yacc.yacc()     # Return parser object
+
    +
    + +To attach the lexer and parser together, make sure you use the lexer argumemnt to parse. For example: + +
    +
    +parser.parse(text,lexer=lexer)
+
    +
    + +Within lexer and parser rules, these objects are also available. In the lexer, +the "lexer" attribute of a token refers to the lexer object in use. For example: + +
    +
    +def t_NUMBER(t):
+   r'\d+'
+   ...
+   print t.lexer           # Show lexer object
+
    +
    + +In the parser, the "lexer" and "parser" attributes refer to the lexer +and parser objects respectively. + +
    +
    +def p_expr_plus(p):
+   'expr : expr PLUS expr'
+   ...
+   print p.parser          # Show parser object
+   print p.lexer           # Show lexer object
+
    +
    + +If necessary, arbitrary attributes can be attached to the lexer or parser object. +For example, if you wanted to have different parsing modes, you could attach a mode +attribute to the parser object and look at it later. + +

    7. Using Python's Optimized Mode

    + + +Because PLY uses information from doc-strings, parsing and lexing +information must be gathered while running the Python interpreter in +normal mode (i.e., not with the -O or -OO options). However, if you +specify optimized mode like this: + +
    +
    +lex.lex(optimize=1)
+yacc.yacc(optimize=1)
+
    +
    + +then PLY can later be used when Python runs in optimized mode. To make this work, +make sure you first run Python in normal mode. Once the lexing and parsing tables +have been generated the first time, run Python in optimized mode. PLY will use +the tables without the need for doc strings. + +

    +Beware: running PLY in optimized mode disables a lot of error +checking. You should only do this when your project has stabilized +and you don't need to do any debugging. + +

    8. Where to go from here?

    + + +The examples directory of the PLY distribution contains several simple examples. Please consult a +compilers textbook for the theory and underlying implementation details or LR parsing. + + + + + + + + + + diff --git a/solve/ply-2.2/example/BASIC/README b/solve/ply-2.2/example/BASIC/README new file mode 100644 index 0000000..be24a30 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/README @@ -0,0 +1,79 @@ +Inspired by a September 14, 2006 Salon article "Why Johnny Can't Code" by +David Brin (http://www.salon.com/tech/feature/2006/09/14/basic/index.html), +I thought that a fully working BASIC interpreter might be an interesting, +if not questionable, PLY example. Uh, okay, so maybe it's just a bad idea, +but in any case, here it is. + +In this example, you'll find a rough implementation of 1964 Dartmouth BASIC +as described in the manual at: + + http://www.bitsavers.org/pdf/dartmouth/BASIC_Oct64.pdf + +See also: + + http://en.wikipedia.org/wiki/Dartmouth_BASIC + +This dialect is downright primitive---there are no string variables +and no facilities for interactive input. Moreover, subroutines and functions +are brain-dead even more than they usually are for BASIC. Of course, +the GOTO statement is provided. + +Nevertheless, there are a few interesting aspects of this example: + + - It illustrates a fully working interpreter including lexing, parsing, + and interpretation of instructions. + + - The parser shows how to catch and report various kinds of parsing + errors in a more graceful way. + + - The example both parses files (supplied on command line) and + interactive input entered line by line. + + - It shows how you might represent parsed information. In this case, + each BASIC statement is encoded into a Python tuple containing the + statement type and parameters. These tuples are then stored in + a dictionary indexed by program line numbers. + + - Even though it's just BASIC, the parser contains more than 80 + rules and 150 parsing states. Thus, it's a little more meaty than + the calculator example. + +To use the example, run it as follows: + + % python basic.py hello.bas + HELLO WORLD + % + +or use it interactively: + + % python basic.py + [BASIC] 10 PRINT "HELLO WORLD" + [BASIC] 20 END + [BASIC] RUN + HELLO WORLD + [BASIC] + +The following files are defined: + + basic.py - High level script that controls everything + basiclex.py - BASIC tokenizer + basparse.py - BASIC parser + basinterp.py - BASIC interpreter that runs parsed programs. + +In addition, a number of sample BASIC programs (.bas suffix) are +provided. These were taken out of the Dartmouth manual. + +Disclaimer: I haven't spent a ton of time testing this and it's likely that +I've skimped here and there on a few finer details (e.g., strictly enforcing +variable naming rules). However, the interpreter seems to be able to run +the examples in the BASIC manual. + +Have fun! + +-Dave + + + + + + diff --git a/solve/ply-2.2/example/BASIC/basic.py b/solve/ply-2.2/example/BASIC/basic.py new file mode 100644 index 0000000..6a2f489 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/basic.py @@ -0,0 +1,68 @@ +# An implementation of Dartmouth BASIC (1964) +# + +import sys +sys.path.insert(0,"../..") + +import basiclex +import basparse +import basinterp + +# If a filename has been specified, we try to run it. +# If a runtime error occurs, we bail out and enter +# interactive mode below +if len(sys.argv) == 2: + data = open(sys.argv[1]).read() + prog = basparse.parse(data) + if not prog: raise SystemExit + b = basinterp.BasicInterpreter(prog) + try: + b.run() + raise SystemExit + except RuntimeError: + pass + +else: + b = basinterp.BasicInterpreter({}) + +# Interactive mode. This incrementally adds/deletes statements +# from the program stored in the BasicInterpreter object. In +# addition, special commands 'NEW','LIST',and 'RUN' are added. +# Specifying a line number with no code deletes that line from +# the program. + +while 1: + try: + line = raw_input("[BASIC] ") + except EOFError: + raise SystemExit + if not line: continue + line += "\n" + prog = basparse.parse(line) + if not prog: continue + + keys = prog.keys() + if keys[0] > 0: + b.add_statements(prog) + else: + stat = prog[keys[0]] + if stat[0] == 'RUN': + try: + b.run() + except RuntimeError: + pass + elif stat[0] == 'LIST': + b.list() + elif stat[0] == 'BLANK': + b.del_line(stat[1]) + elif stat[0] == 'NEW': + b.new() + + + + + + + + + diff --git a/solve/ply-2.2/example/BASIC/basiclex.py b/solve/ply-2.2/example/BASIC/basiclex.py new file mode 100644 index 0000000..463ef9b --- /dev/null +++ b/solve/ply-2.2/example/BASIC/basiclex.py @@ -0,0 +1,74 @@ +# An implementation of Dartmouth BASIC (1964) + +from ply import * + +keywords = ( + 'LET','READ','DATA','PRINT','GOTO','IF','THEN','FOR','NEXT','TO','STEP', + 'END','STOP','DEF','GOSUB','DIM','REM','RETURN','RUN','LIST','NEW', +) + +tokens = keywords + ( + 'EQUALS','PLUS','MINUS','TIMES','DIVIDE','POWER', + 'LPAREN','RPAREN','LT','LE','GT','GE','NE', + 'COMMA','SEMI', 'INTEGER','FLOAT', 'STRING', + 'ID','NEWLINE' +) + +t_ignore = ' \t' + +def t_REM(t): + r'REM .*' + return t + +def t_ID(t): + r'[A-Z][A-Z0-9]*' + if t.value in keywords: + t.type = t.value + return t + +t_EQUALS = r'=' +t_PLUS = r'\+' +t_MINUS = r'-' +t_TIMES = r'\*' +t_POWER = r'\^' +t_DIVIDE = r'/' +t_LPAREN = r'\(' +t_RPAREN = r'\)' +t_LT = r'<' +t_LE = r'<=' +t_GT = r'>' +t_GE = r'>=' +t_NE = r'<>' +t_COMMA = r'\,' +t_SEMI = r';' +t_INTEGER = r'\d+' +t_FLOAT = r'((\d*\.\d+)(E[\+-]?\d+)?|([1-9]\d*E[\+-]?\d+))' +t_STRING = r'\".*?\"' + +def t_NEWLINE(t): + r'\n' + t.lexer.lineno += 1 + return t + +def t_error(t): + print "Illegal character", t.value[0] + t.lexer.skip(1) + +lex.lex() + + + + + + + + + + + + + + + + + diff --git a/solve/ply-2.2/example/BASIC/basinterp.py b/solve/ply-2.2/example/BASIC/basinterp.py new file mode 100644 index 0000000..0252aa3 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/basinterp.py @@ -0,0 +1,440 @@ +# This file provides the runtime support for running a basic program +# Assumes the program has been parsed using basparse.py + +import sys +import math +import random + +class BasicInterpreter: + + # Initialize the interpreter. prog is a dictionary + # containing (line,statement) mappings + def __init__(self,prog): + self.prog = prog + + self.functions = { # Built-in function table + 'SIN' : lambda z: math.sin(self.eval(z)), + 'COS' : lambda z: math.cos(self.eval(z)), + 'TAN' : lambda z: math.tan(self.eval(z)), + 'ATN' : lambda z: math.atan(self.eval(z)), + 'EXP' : lambda z: math.exp(self.eval(z)), + 'ABS' : lambda z: abs(self.eval(z)), + 'LOG' : lambda z: math.log(self.eval(z)), + 'SQR' : lambda z: math.sqrt(self.eval(z)), + 'INT' : lambda z: int(self.eval(z)), + 'RND' : lambda z: random.random() + } + + # Collect all data statements + def collect_data(self): + self.data = [] + for lineno in self.stat: + if self.prog[lineno][0] == 'DATA': + self.data = self.data + self.prog[lineno][1] + self.dc = 0 # Initialize the data counter + + # Check for end statements + def check_end(self): + has_end = 0 + for lineno in self.stat: + if self.prog[lineno][0] == 'END' and not has_end: + has_end = lineno + if not has_end: + print "NO END INSTRUCTION" + self.error = 1 + if has_end != lineno: + print "END IS NOT LAST" + self.error = 1 + + # Check loops + def check_loops(self): + for pc in range(len(self.stat)): + lineno = self.stat[pc] + if self.prog[lineno][0] == 'FOR': + forinst = self.prog[lineno] + loopvar = forinst[1] + for i in range(pc+1,len(self.stat)): + if self.prog[self.stat[i]][0] == 'NEXT': + nextvar = self.prog[self.stat[i]][1] + if nextvar != loopvar: continue + self.loopend[pc] = i + break + else: + print "FOR WITHOUT NEXT AT LINE" % self.stat[pc] + self.error = 1 + + # Evaluate an expression + def eval(self,expr): + etype = expr[0] + if etype == 'NUM': return expr[1] + elif etype == 'GROUP': return self.eval(expr[1]) + elif etype == 'UNARY': + if expr[1] == '-': return -self.eval(expr[2]) + elif etype == 'BINOP': + if expr[1] == '+': return self.eval(expr[2])+self.eval(expr[3]) + elif expr[1] == '-': return self.eval(expr[2])-self.eval(expr[3]) + elif expr[1] == '*': return self.eval(expr[2])*self.eval(expr[3]) + elif expr[1] == '/': return float(self.eval(expr[2]))/self.eval(expr[3]) + elif expr[1] == '^': return abs(self.eval(expr[2]))**self.eval(expr[3]) + elif etype == 'VAR': + var,dim1,dim2 = expr[1] + if not dim1 and not dim2: + if self.vars.has_key(var): + return self.vars[var] + else: + print "UNDEFINED VARIABLE", var, "AT LINE", self.stat[self.pc] + raise RuntimeError + # May be a list lookup or a function evaluation + if dim1 and not dim2: + if self.functions.has_key(var): + # A function + return self.functions[var](dim1) + else: + # A list evaluation + if self.lists.has_key(var): + dim1val = self.eval(dim1) + if dim1val < 1 or dim1val > len(self.lists[var]): + print "LIST INDEX OUT OF BOUNDS AT LINE", self.stat[self.pc] + raise RuntimeError + return self.lists[var][dim1val-1] + if dim1 and dim2: + if self.tables.has_key(var): + dim1val = self.eval(dim1) + dim2val = self.eval(dim2) + if dim1val < 1 or dim1val > len(self.tables[var]) or dim2val < 1 or dim2val > len(self.tables[var][0]): + print "TABLE INDEX OUT OUT BOUNDS AT LINE", self.stat[self.pc] + raise RuntimeError + return self.tables[var][dim1val-1][dim2val-1] + print "UNDEFINED VARIABLE", var, "AT LINE", self.stat[self.pc] + raise RuntimeError + + # Evaluate a relational expression + def releval(self,expr): + etype = expr[1] + lhs = self.eval(expr[2]) + rhs = self.eval(expr[3]) + if etype == '<': + if lhs < rhs: return 1 + else: return 0 + + elif etype == '<=': + if lhs <= rhs: return 1 + else: return 0 + + elif etype == '>': + if lhs > rhs: return 1 + else: return 0 + + elif etype == '>=': + if lhs >= rhs: return 1 + else: return 0 + + elif etype == '=': + if lhs == rhs: return 1 + else: return 0 + + elif etype == '<>': + if lhs != rhs: return 1 + else: return 0 + + # Assignment + def assign(self,target,value): + var, dim1, dim2 = target + if not dim1 and not dim2: + self.vars[var] = self.eval(value) + elif dim1 and not dim2: + # List assignment + dim1val = self.eval(dim1) + if not self.lists.has_key(var): + self.lists[var] = [0]*10 + + if dim1val > len(self.lists[var]): + print "DIMENSION TOO LARGE AT LINE", self.stat[self.pc] + raise RuntimeError + self.lists[var][dim1val-1] = self.eval(value) + elif dim1 and dim2: + dim1val = self.eval(dim1) + dim2val = self.eval(dim2) + if not self.tables.has_key(var): + temp = [0]*10 + v = [] + for i in range(10): v.append(temp[:]) + self.tables[var] = v + # Variable already exists + if dim1val > len(self.tables[var]) or dim2val > len(self.tables[var][0]): + print "DIMENSION TOO LARGE AT LINE", self.stat[self.pc] + raise RuntimeError + self.tables[var][dim1val-1][dim2val-1] = self.eval(value) + + # Change the current line number + def goto(self,linenum): + if not self.prog.has_key(linenum): + print "UNDEFINED LINE NUMBER %d AT LINE %d" % (linenum, self.stat[self.pc]) + raise RuntimeError + self.pc = self.stat.index(linenum) + + # Run it + def run(self): + self.vars = { } # All variables + self.lists = { } # List variables + self.tables = { } # Tables + self.loops = [ ] # Currently active loops + self.loopend= { } # Mapping saying where loops end + self.gosub = None # Gosub return point (if any) + self.error = 0 # Indicates program error + + self.stat = self.prog.keys() # Ordered list of all line numbers + self.stat.sort() + self.pc = 0 # Current program counter + + # Processing prior to running + + self.collect_data() # Collect all of the data statements + self.check_end() + self.check_loops() + + if self.error: raise RuntimeError + + while 1: + line = self.stat[self.pc] + instr = self.prog[line] + + op = instr[0] + + # END and STOP statements + if op == 'END' or op == 'STOP': + break # We're done + + # GOTO statement + elif op == 'GOTO': + newline = instr[1] + self.goto(newline) + continue + + # PRINT statement + elif op == 'PRINT': + plist = instr[1] + out = "" + for label,val in plist: + if out: + out += ' '*(15 - (len(out) % 15)) + out += label + if val: + if label: out += " " + eval = self.eval(val) + out += str(eval) + sys.stdout.write(out) + end = instr[2] + if not (end == ',' or end == ';'): + sys.stdout.write("\n") + if end == ',': sys.stdout.write(" "*(15-(len(out) % 15))) + if end == ';': sys.stdout.write(" "*(3-(len(out) % 3))) + + # LET statement + elif op == 'LET': + target = instr[1] + value = instr[2] + self.assign(target,value) + + # READ statement + elif op == 'READ': + for target in instr[1]: + if self.dc < len(self.data): + value = ('NUM',self.data[self.dc]) + self.assign(target,value) + self.dc += 1 + else: + # No more data. Program ends + return + elif op == 'IF': + relop = instr[1] + newline = instr[2] + if (self.releval(relop)): + self.goto(newline) + continue + + elif op == 'FOR': + loopvar = instr[1] + initval = instr[2] + finval = instr[3] + stepval = instr[4] + + # Check to see if this is a new loop + if not self.loops or self.loops[-1][0] != self.pc: + # Looks like a new loop. Make the initial assignment + newvalue = initval + self.assign((loopvar,None,None),initval) + if not stepval: stepval = ('NUM',1) + stepval = self.eval(stepval) # Evaluate step here + self.loops.append((self.pc,stepval)) + else: + # It's a repeat of the previous loop + # Update the value of the loop variable according to the step + stepval = ('NUM',self.loops[-1][1]) + newvalue = ('BINOP','+',('VAR',(loopvar,None,None)),stepval) + + if self.loops[-1][1] < 0: relop = '>=' + else: relop = '<=' + if not self.releval(('RELOP',relop,newvalue,finval)): + # Loop is done. Jump to the NEXT + self.pc = self.loopend[self.pc] + self.loops.pop() + else: + self.assign((loopvar,None,None),newvalue) + + elif op == 'NEXT': + if not self.loops: + print "NEXT WITHOUT FOR AT LINE",line + return + + nextvar = instr[1] + self.pc = self.loops[-1][0] + loopinst = self.prog[self.stat[self.pc]] + forvar = loopinst[1] + if nextvar != forvar: + print "NEXT DOESN'T MATCH FOR AT LINE", line + return + continue + elif op == 'GOSUB': + newline = instr[1] + if self.gosub: + print "ALREADY IN A SUBROUTINE AT LINE", line + return + self.gosub = self.stat[self.pc] + self.goto(newline) + continue + + elif op == 'RETURN': + if not self.gosub: + print "RETURN WITHOUT A GOSUB AT LINE",line + return + self.goto(self.gosub) + self.gosub = None + + elif op == 'FUNC': + fname = instr[1] + pname = instr[2] + expr = instr[3] + def eval_func(pvalue,name=pname,self=self,expr=expr): + self.assign((pname,None,None),pvalue) + return self.eval(expr) + self.functions[fname] = eval_func + + elif op == 'DIM': + for vname,x,y in instr[1]: + if y == 0: + # Single dimension variable + self.lists[vname] = [0]*x + else: + # Double dimension variable + temp = [0]*y + v = [] + for i in range(x): + v.append(temp[:]) + self.tables[vname] = v + + self.pc += 1 + + # Utility functions for program listing + def expr_str(self,expr): + etype = expr[0] + if etype == 'NUM': return str(expr[1]) + elif etype == 'GROUP': return "(%s)" % self.expr_str(expr[1]) + elif etype == 'UNARY': + if expr[1] == '-': return "-"+str(expr[2]) + elif etype == 'BINOP': + return "%s %s %s" % (self.expr_str(expr[2]),expr[1],self.expr_str(expr[3])) + elif etype == 'VAR': + return self.var_str(expr[1]) + + def relexpr_str(self,expr): + return "%s %s %s" % (self.expr_str(expr[2]),expr[1],self.expr_str(expr[3])) + + def var_str(self,var): + varname,dim1,dim2 = var + if not dim1 and not dim2: return varname + if dim1 and not dim2: return "%s(%s)" % (varname, self.expr_str(dim1)) + return "%s(%s,%s)" % (varname, self.expr_str(dim1),self.expr_str(dim2)) + + # Create a program listing + def list(self): + stat = self.prog.keys() # Ordered list of all line numbers + stat.sort() + for line in stat: + instr = self.prog[line] + op = instr[0] + if op in ['END','STOP','RETURN']: + print line, op + continue + elif op == 'REM': + print line, instr[1] + elif op == 'PRINT': + print line, op, + first = 1 + for p in instr[1]: + if not first: print ",", + if p[0] and p[1]: print '"%s"%s' % (p[0],self.expr_str(p[1])), + elif p[1]: print self.expr_str(p[1]), + else: print '"%s"' % (p[0],), + first = 0 + if instr[2]: print instr[2] + else: print + elif op == 'LET': + print line,"LET",self.var_str(instr[1]),"=",self.expr_str(instr[2]) + elif op == 'READ': + print line,"READ", + first = 1 + for r in instr[1]: + if not first: print ",", + print self.var_str(r), + first = 0 + print "" + elif op == 'IF': + print line,"IF %s THEN %d" % (self.relexpr_str(instr[1]),instr[2]) + elif op == 'GOTO' or op == 'GOSUB': + print line, op, instr[1] + elif op == 'FOR': + print line,"FOR %s = %s TO %s" % (instr[1],self.expr_str(instr[2]),self.expr_str(instr[3])), + if instr[4]: print "STEP %s" % (self.expr_str(instr[4])), + print + elif op == 'NEXT': + print line,"NEXT", instr[1] + elif op == 'FUNC': + print line,"DEF %s(%s) = %s" % (instr[1],instr[2],self.expr_str(instr[3])) + elif op == 'DIM': + print line,"DIM", + first = 1 + for vname,x,y in instr[1]: + if not first: print ",", + first = 0 + if y == 0: + print "%s(%d)" % (vname,x), + else: + print "%s(%d,%d)" % (vname,x,y), + + print + elif op == 'DATA': + print line,"DATA", + first = 1 + for v in instr[1]: + if not first: print ",", + first = 0 + print v, + print + + # Erase the current program + def new(self): + self.prog = {} + + # Insert statements + def add_statements(self,prog): + for line,stat in prog.items(): + self.prog[line] = stat + + # Delete a statement + def del_line(self,lineno): + try: + del self.prog[lineno] + except KeyError: + pass + diff --git a/solve/ply-2.2/example/BASIC/basparse.py b/solve/ply-2.2/example/BASIC/basparse.py new file mode 100644 index 0000000..79210ad --- /dev/null +++ b/solve/ply-2.2/example/BASIC/basparse.py @@ -0,0 +1,424 @@ +# An implementation of Dartmouth BASIC (1964) +# + +from ply import * +import basiclex + +tokens = basiclex.tokens + +precedence = ( + ('left', 'PLUS','MINUS'), + ('left', 'TIMES','DIVIDE'), + ('left', 'POWER'), + ('right','UMINUS') +) + +#### A BASIC program is a series of statements. We represent the program as a +#### dictionary of tuples indexed by line number. + +def p_program(p): + '''program : program statement + | statement''' + + if len(p) == 2 and p[1]: + p[0] = { } + line,stat = p[1] + p[0][line] = stat + elif len(p) ==3: + p[0] = p[1] + if not p[0]: p[0] = { } + if p[2]: + line,stat = p[2] + p[0][line] = stat + +#### This catch-all rule is used for any catastrophic errors. In this case, +#### we simply return nothing + +def p_program_error(p): + '''program : error''' + p[0] = None + p.parser.error = 1 + +#### Format of all BASIC statements. + +def p_statement(p): + '''statement : INTEGER command NEWLINE''' + if isinstance(p[2],str): + print p[2],"AT LINE", p[1] + p[0] = None + p.parser.error = 1 + else: + lineno = int(p[1]) + p[0] = (lineno,p[2]) + +#### Interactive statements. + +def p_statement_interactive(p): + '''statement : RUN NEWLINE + | LIST NEWLINE + | NEW NEWLINE''' + p[0] = (0, (p[1],0)) + +#### Blank line number +def p_statement_blank(p): + '''statement : INTEGER NEWLINE''' + p[0] = (0,('BLANK',int(p[1]))) + +#### Error handling for malformed statements + +def p_statement_bad(p): + '''statement : INTEGER error NEWLINE''' + print "MALFORMED STATEMENT AT LINE", p[1] + p[0] = None + p.parser.error = 1 + +#### Blank line + +def p_statement_newline(p): + '''statement : NEWLINE''' + p[0] = None + +#### LET statement + +def p_command_let(p): + '''command : LET variable EQUALS expr''' + p[0] = ('LET',p[2],p[4]) + +def p_command_let_bad(p): + '''command : LET variable EQUALS error''' + p[0] = "BAD EXPRESSION IN LET" + +#### READ statement + +def p_command_read(p): + '''command : READ varlist''' + p[0] = ('READ',p[2]) + +def p_command_read_bad(p): + '''command : READ error''' + p[0] = "MALFORMED VARIABLE LIST IN READ" + +#### DATA statement + +def p_command_data(p): + '''command : DATA numlist''' + p[0] = ('DATA',p[2]) + +def p_command_data_bad(p): + '''command : DATA error''' + p[0] = "MALFORMED NUMBER LIST IN DATA" + +#### PRINT statement + +def p_command_print(p): + '''command : PRINT plist optend''' + p[0] = ('PRINT',p[2],p[3]) + +def p_command_print_bad(p): + '''command : PRINT error''' + p[0] = "MALFORMED PRINT STATEMENT" + +#### Optional ending on PRINT. Either a comma (,) or semicolon (;) + +def p_optend(p): + '''optend : COMMA + | SEMI + |''' + if len(p) == 2: + p[0] = p[1] + else: + p[0] = None + +#### PRINT statement with no arguments + +def p_command_print_empty(p): + '''command : PRINT''' + p[0] = ('PRINT',[],None) + +#### GOTO statement + +def p_command_goto(p): + '''command : GOTO INTEGER''' + p[0] = ('GOTO',int(p[2])) + +def p_command_goto_bad(p): + '''command : GOTO error''' + p[0] = "INVALID LINE NUMBER IN GOTO" + +#### IF-THEN statement + +def p_command_if(p): + '''command : IF relexpr THEN INTEGER''' + p[0] = ('IF',p[2],int(p[4])) + +def p_command_if_bad(p): + '''command : IF error THEN INTEGER''' + p[0] = "BAD RELATIONAL EXPRESSION" + +def p_command_if_bad2(p): + '''command : IF relexpr THEN error''' + p[0] = "INVALID LINE NUMBER IN THEN" + +#### FOR statement + +def p_command_for(p): + '''command : FOR ID EQUALS expr TO expr optstep''' + p[0] = ('FOR',p[2],p[4],p[6],p[7]) + +def p_command_for_bad_initial(p): + '''command : FOR ID EQUALS error TO expr optstep''' + p[0] = "BAD INITIAL VALUE IN FOR STATEMENT" + +def p_command_for_bad_final(p): + '''command : FOR ID EQUALS expr TO error optstep''' + p[0] = "BAD FINAL VALUE IN FOR STATEMENT" + +def p_command_for_bad_step(p): + '''command : FOR ID EQUALS expr TO expr STEP error''' + p[0] = "MALFORMED STEP IN FOR STATEMENT" + +#### Optional STEP qualifier on FOR statement + +def p_optstep(p): + '''optstep : STEP expr + | empty''' + if len(p) == 3: + p[0] = p[2] + else: + p[0] = None + +#### NEXT statement + +def p_command_next(p): + '''command : NEXT ID''' + + p[0] = ('NEXT',p[2]) + +def p_command_next_bad(p): + '''command : NEXT error''' + p[0] = "MALFORMED NEXT" + +#### END statement + +def p_command_end(p): + '''command : END''' + p[0] = ('END',) + +#### REM statement + +def p_command_rem(p): + '''command : REM''' + p[0] = ('REM',p[1]) + +#### STOP statement + +def p_command_stop(p): + '''command : STOP''' + p[0] = ('STOP',) + +#### DEF statement + +def p_command_def(p): + '''command : DEF ID LPAREN ID RPAREN EQUALS expr''' + p[0] = ('FUNC',p[2],p[4],p[7]) + +def p_command_def_bad_rhs(p): + '''command : DEF ID LPAREN ID RPAREN EQUALS error''' + p[0] = "BAD EXPRESSION IN DEF STATEMENT" + +def p_command_def_bad_arg(p): + '''command : DEF ID LPAREN error RPAREN EQUALS expr''' + p[0] = "BAD ARGUMENT IN DEF STATEMENT" + +#### GOSUB statement + +def p_command_gosub(p): + '''command : GOSUB INTEGER''' + p[0] = ('GOSUB',int(p[2])) + +def p_command_gosub_bad(p): + '''command : GOSUB error''' + p[0] = "INVALID LINE NUMBER IN GOSUB" + +#### RETURN statement + +def p_command_return(p): + '''command : RETURN''' + p[0] = ('RETURN',) + +#### DIM statement + +def p_command_dim(p): + '''command : DIM dimlist''' + p[0] = ('DIM',p[2]) + +def p_command_dim_bad(p): + '''command : DIM error''' + p[0] = "MALFORMED VARIABLE LIST IN DIM" + +#### List of variables supplied to DIM statement + +def p_dimlist(p): + '''dimlist : dimlist COMMA dimitem + | dimitem''' + if len(p) == 4: + p[0] = p[1] + p[0].append(p[3]) + else: + p[0] = [p[1]] + +#### DIM items + +def p_dimitem_single(p): + '''dimitem : ID LPAREN INTEGER RPAREN''' + p[0] = (p[1],eval(p[3]),0) + +def p_dimitem_double(p): + '''dimitem : ID LPAREN INTEGER COMMA INTEGER RPAREN''' + p[0] = (p[1],eval(p[3]),eval(p[5])) + +#### Arithmetic expressions + +def p_expr_binary(p): + '''expr : expr PLUS expr + | expr MINUS expr + | expr TIMES expr + | expr DIVIDE expr + | expr POWER expr''' + + p[0] = ('BINOP',p[2],p[1],p[3]) + +def p_expr_number(p): + '''expr : INTEGER + | FLOAT''' + p[0] = ('NUM',eval(p[1])) + +def p_expr_variable(p): + '''expr : variable''' + p[0] = ('VAR',p[1]) + +def p_expr_group(p): + '''expr : LPAREN expr RPAREN''' + p[0] = ('GROUP',p[2]) + +def p_expr_unary(p): + '''expr : MINUS expr %prec UMINUS''' + p[0] = ('UNARY','-',p[2]) + +#### Relational expressions + +def p_relexpr(p): + '''relexpr : expr LT expr + | expr LE expr + | expr GT expr + | expr GE expr + | expr EQUALS expr + | expr NE expr''' + p[0] = ('RELOP',p[2],p[1],p[3]) + +#### Variables + +def p_variable(p): + '''variable : ID + | ID LPAREN expr RPAREN + | ID LPAREN expr COMMA expr RPAREN''' + if len(p) == 2: + p[0] = (p[1],None,None) + elif len(p) == 5: + p[0] = (p[1],p[3],None) + else: + p[0] = (p[1],p[3],p[5]) + +#### Builds a list of variable targets as a Python list + +def p_varlist(p): + '''varlist : varlist COMMA variable + | variable''' + if len(p) > 2: + p[0] = p[1] + p[0].append(p[3]) + else: + p[0] = [p[1]] + + +#### Builds a list of numbers as a Python list + +def p_numlist(p): + '''numlist : numlist COMMA number + | number''' + + if len(p) > 2: + p[0] = p[1] + p[0].append(p[3]) + else: + p[0] = [p[1]] + +#### A number. May be an integer or a float + +def p_number(p): + '''number : INTEGER + | FLOAT''' + p[0] = eval(p[1]) + +#### A signed number. + +def p_number_signed(p): + '''number : MINUS INTEGER + | MINUS FLOAT''' + p[0] = eval("-"+p[2]) + +#### List of targets for a print statement +#### Returns a list of tuples (label,expr) + +def p_plist(p): + '''plist : plist COMMA pitem + | pitem''' + if len(p) > 3: + p[0] = p[1] + p[0].append(p[3]) + else: + p[0] = [p[1]] + +def p_item_string(p): + '''pitem : STRING''' + p[0] = (p[1][1:-1],None) + +def p_item_string_expr(p): + '''pitem : STRING expr''' + p[0] = (p[1][1:-1],p[2]) + +def p_item_expr(p): + '''pitem : expr''' + p[0] = ("",p[1]) + +#### Empty + +def p_empty(p): + '''empty : ''' + +#### Catastrophic error handler +def p_error(p): + if not p: + print "SYNTAX ERROR AT EOF" + +bparser = yacc.yacc() + +def parse(data): + bparser.error = 0 + p = bparser.parse(data) + if bparser.error: return None + return p + + + + + + + + + + + + + + diff --git a/solve/ply-2.2/example/BASIC/dim.bas b/solve/ply-2.2/example/BASIC/dim.bas new file mode 100644 index 0000000..87bd95b --- /dev/null +++ b/solve/ply-2.2/example/BASIC/dim.bas @@ -0,0 +1,14 @@ +5 DIM A(50,15) +10 FOR I = 1 TO 50 +20 FOR J = 1 TO 15 +30 LET A(I,J) = I + J +35 REM PRINT I,J, A(I,J) +40 NEXT J +50 NEXT I +100 FOR I = 1 TO 50 +110 FOR J = 1 TO 15 +120 PRINT A(I,J), +130 NEXT J +140 PRINT +150 NEXT I +999 END diff --git a/solve/ply-2.2/example/BASIC/func.bas b/solve/ply-2.2/example/BASIC/func.bas new file mode 100644 index 0000000..447ee16 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/func.bas @@ -0,0 +1,5 @@ +10 DEF FDX(X) = 2*X +20 FOR I = 0 TO 100 +30 PRINT FDX(I) +40 NEXT I +50 END diff --git a/solve/ply-2.2/example/BASIC/gcd.bas b/solve/ply-2.2/example/BASIC/gcd.bas new file mode 100644 index 0000000..d0b7746 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/gcd.bas @@ -0,0 +1,22 @@ +10 PRINT "A","B","C","GCD" +20 READ A,B,C +30 LET X = A +40 LET Y = B +50 GOSUB 200 +60 LET X = G +70 LET Y = C +80 GOSUB 200 +90 PRINT A, B, C, G +100 GOTO 20 +110 DATA 60, 90, 120 +120 DATA 38456, 64872, 98765 +130 DATA 32, 384, 72 +200 LET Q = INT(X/Y) +210 LET R = X - Q*Y +220 IF R = 0 THEN 300 +230 LET X = Y +240 LET Y = R +250 GOTO 200 +300 LET G = Y +310 RETURN +999 END diff --git a/solve/ply-2.2/example/BASIC/gosub.bas b/solve/ply-2.2/example/BASIC/gosub.bas new file mode 100644 index 0000000..99737b1 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/gosub.bas @@ -0,0 +1,13 @@ +100 LET X = 3 +110 GOSUB 400 +120 PRINT U, V, W +200 LET X = 5 +210 GOSUB 400 +220 LET Z = U + 2*V + 3*W +230 PRINT Z +240 GOTO 999 +400 LET U = X*X +410 LET V = X*X*X +420 LET W = X*X*X*X + X*X*X + X*X + X +430 RETURN +999 END diff --git a/solve/ply-2.2/example/BASIC/hello.bas b/solve/ply-2.2/example/BASIC/hello.bas new file mode 100644 index 0000000..cc6f0b0 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/hello.bas @@ -0,0 +1,4 @@ +5 REM HELLO WORLD PROGAM +10 PRINT "HELLO WORLD" +99 END + diff --git a/solve/ply-2.2/example/BASIC/linear.bas b/solve/ply-2.2/example/BASIC/linear.bas new file mode 100644 index 0000000..56c0822 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/linear.bas @@ -0,0 +1,17 @@ +1 REM ::: SOLVE A SYSTEM OF LINEAR EQUATIONS +2 REM ::: A1*X1 + A2*X2 = B1 +3 REM ::: A3*X1 + A4*X2 = B2 +4 REM -------------------------------------- +10 READ A1, A2, A3, A4 +15 LET D = A1 * A4 - A3 * A2 +20 IF D = 0 THEN 65 +30 READ B1, B2 +37 LET X1 = (B1*A4 - B2*A2) / D +42 LET X2 = (A1*B2 - A3*B1) / D +55 PRINT X1, X2 +60 GOTO 30 +65 PRINT "NO UNIQUE SOLUTION" +70 DATA 1, 2, 4 +80 DATA 2, -7, 5 +85 DATA 1, 3, 4, -7 +90 END diff --git a/solve/ply-2.2/example/BASIC/maxsin.bas b/solve/ply-2.2/example/BASIC/maxsin.bas new file mode 100644 index 0000000..b969015 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/maxsin.bas @@ -0,0 +1,12 @@ +5 PRINT "X VALUE", "SINE", "RESOLUTION" +10 READ D +20 LET M = -1 +30 FOR X = 0 TO 3 STEP D +40 IF SIN(X) <= M THEN 80 +50 LET X0 = X +60 LET M = SIN(X) +80 NEXT X +85 PRINT X0, M, D +90 GOTO 10 +100 DATA .1, .01, .001 +110 END diff --git a/solve/ply-2.2/example/BASIC/powers.bas b/solve/ply-2.2/example/BASIC/powers.bas new file mode 100644 index 0000000..a454dc3 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/powers.bas @@ -0,0 +1,13 @@ +5 PRINT "THIS PROGRAM COMPUTES AND PRINTS THE NTH POWERS" +6 PRINT "OF THE NUMBERS LESS THAN OR EQUAL TO N FOR VARIOUS" +7 PRINT "N FROM 1 THROUGH 7" +8 PRINT +10 FOR N = 1 TO 7 +15 PRINT "N = "N +20 FOR I = 1 TO N +30 PRINT I^N, +40 NEXT I +50 PRINT +60 PRINT +70 NEXT N +80 END diff --git a/solve/ply-2.2/example/BASIC/rand.bas b/solve/ply-2.2/example/BASIC/rand.bas new file mode 100644 index 0000000..4ff7a14 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/rand.bas @@ -0,0 +1,4 @@ +10 FOR I = 1 TO 20 +20 PRINT INT(10*RND(0)) +30 NEXT I +40 END diff --git a/solve/ply-2.2/example/BASIC/sales.bas b/solve/ply-2.2/example/BASIC/sales.bas new file mode 100644 index 0000000..a39aefb --- /dev/null +++ b/solve/ply-2.2/example/BASIC/sales.bas @@ -0,0 +1,20 @@ +10 FOR I = 1 TO 3 +20 READ P(I) +30 NEXT I +40 FOR I = 1 TO 3 +50 FOR J = 1 TO 5 +60 READ S(I,J) +70 NEXT J +80 NEXT I +90 FOR J = 1 TO 5 +100 LET S = 0 +110 FOR I = 1 TO 3 +120 LET S = S + P(I) * S(I,J) +130 NEXT I +140 PRINT "TOTAL SALES FOR SALESMAN"J, "$"S +150 NEXT J +200 DATA 1.25, 4.30, 2.50 +210 DATA 40, 20, 37, 29, 42 +220 DATA 10, 16, 3, 21, 8 +230 DATA 35, 47, 29, 16, 33 +300 END diff --git a/solve/ply-2.2/example/BASIC/sears.bas b/solve/ply-2.2/example/BASIC/sears.bas new file mode 100644 index 0000000..5ced397 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/sears.bas @@ -0,0 +1,18 @@ +1 REM :: THIS PROGRAM COMPUTES HOW MANY TIMES YOU HAVE TO FOLD +2 REM :: A PIECE OF PAPER SO THAT IT IS TALLER THAN THE +3 REM :: SEARS TOWER. +4 REM :: S = HEIGHT OF TOWER (METERS) +5 REM :: T = THICKNESS OF PAPER (MILLIMETERS) +10 LET S = 442 +20 LET T = 0.1 +30 REM CONVERT T TO METERS +40 LET T = T * .001 +50 LET F = 1 +60 LET H = T +100 IF H > S THEN 200 +120 LET H = 2 * H +125 LET F = F + 1 +130 GOTO 100 +200 PRINT "NUMBER OF FOLDS ="F +220 PRINT "FINAL HEIGHT ="H +999 END diff --git a/solve/ply-2.2/example/BASIC/sqrt1.bas b/solve/ply-2.2/example/BASIC/sqrt1.bas new file mode 100644 index 0000000..6673a91 --- /dev/null +++ b/solve/ply-2.2/example/BASIC/sqrt1.bas @@ -0,0 +1,5 @@ +10 LET X = 0 +20 LET X = X + 1 +30 PRINT X, SQR(X) +40 IF X < 100 THEN 20 +50 END diff --git a/solve/ply-2.2/example/BASIC/sqrt2.bas b/solve/ply-2.2/example/BASIC/sqrt2.bas new file mode 100644 index 0000000..862d85e --- /dev/null +++ b/solve/ply-2.2/example/BASIC/sqrt2.bas @@ -0,0 +1,4 @@ +10 FOR X = 1 TO 100 +20 PRINT X, SQR(X) +30 NEXT X +40 END diff --git a/solve/ply-2.2/example/GardenSnake/GardenSnake.py b/solve/ply-2.2/example/GardenSnake/GardenSnake.py new file mode 100644 index 0000000..2a7f45e --- /dev/null +++ b/solve/ply-2.2/example/GardenSnake/GardenSnake.py @@ -0,0 +1,709 @@ +# GardenSnake - a parser generator demonstration program +# +# This implements a modified version of a subset of Python: +# - only 'def', 'return' and 'if' statements +# - 'if' only has 'then' clause (no elif nor else) +# - single-quoted strings only, content in raw format +# - numbers are decimal.Decimal instances (not integers or floats) +# - no print statment; use the built-in 'print' function +# - only < > == + - / * implemented (and unary + -) +# - assignment and tuple assignment work +# - no generators of any sort +# - no ... well, no quite a lot + +# Why? I'm thinking about a new indentation-based configuration +# language for a project and wanted to figure out how to do it. Once +# I got that working I needed a way to test it out. My original AST +# was dumb so I decided to target Python's AST and compile it into +# Python code. Plus, it's pretty cool that it only took a day or so +# from sitting down with Ply to having working code. + +# This uses David Beazley's Ply from http://www.dabeaz.com/ply/ + +# This work is hereby released into the Public Domain. To view a copy of +# the public domain dedication, visit +# http://creativecommons.org/licenses/publicdomain/ or send a letter to +# Creative Commons, 543 Howard Street, 5th Floor, San Francisco, +# California, 94105, USA. +# +# Portions of this work are derived from Python's Grammar definition +# and may be covered under the Python copyright and license +# +# Andrew Dalke / Dalke Scientific Software, LLC +# 30 August 2006 / Cape Town, South Africa + +# Changelog: +# 30 August - added link to CC license; removed the "swapcase" encoding + +# Modifications for inclusion in PLY distribution +import sys +sys.path.insert(0,"../..") +from ply import * + +##### Lexer ###### +#import lex +import decimal + +tokens = ( + 'DEF', + 'IF', + 'NAME', + 'NUMBER', # Python decimals + 'STRING', # single quoted strings only; syntax of raw strings + 'LPAR', + 'RPAR', + 'COLON', + 'EQ', + 'ASSIGN', + 'LT', + 'GT', + 'PLUS', + 'MINUS', + 'MULT', + 'DIV', + 'RETURN', + 'WS', + 'NEWLINE', + 'COMMA', + 'SEMICOLON', + 'INDENT', + 'DEDENT', + 'ENDMARKER', + ) + +#t_NUMBER = r'\d+' +# taken from decmial.py but without the leading sign +def t_NUMBER(t): + r"""(\d+(\.\d*)?|\.\d+)([eE][-+]? \d+)?""" + t.value = decimal.Decimal(t.value) + return t + +def t_STRING(t): + r"'([^\\']+|\\'|\\\\)*'" # I think this is right ... + t.value=t.value[1:-1].decode("string-escape") # .swapcase() # for fun + return t + +t_COLON = r':' +t_EQ = r'==' +t_ASSIGN = r'=' +t_LT = r'<' +t_GT = r'>' +t_PLUS = r'\+' +t_MINUS = r'-' +t_MULT = r'\*' +t_DIV = r'/' +t_COMMA = r',' +t_SEMICOLON = r';' + +# Ply nicely documented how to do this. + +RESERVED = { + "def": "DEF", + "if": "IF", + "return": "RETURN", + } + +def t_NAME(t): + r'[a-zA-Z_][a-zA-Z0-9_]*' + t.type = RESERVED.get(t.value, "NAME") + return t + +# Putting this before t_WS let it consume lines with only comments in +# them so the latter code never sees the WS part. Not consuming the +# newline. Needed for "if 1: #comment" +def t_comment(t): + r"[ ]*\043[^\n]*" # \043 is '#' + pass + + +# Whitespace +def t_WS(t): + r' [ ]+ ' + if t.lexer.at_line_start and t.lexer.paren_count == 0: + return t + +# Don't generate newline tokens when inside of parenthesis, eg +# a = (1, +# 2, 3) +def t_newline(t): + r'\n+' + t.lexer.lineno += len(t.value) + t.type = "NEWLINE" + if t.lexer.paren_count == 0: + return t + +def t_LPAR(t): + r'\(' + t.lexer.paren_count += 1 + return t + +def t_RPAR(t): + r'\)' + # check for underflow? should be the job of the parser + t.lexer.paren_count -= 1 + return t + + +def t_error(t): + raise SyntaxError("Unknown symbol %r" % (t.value[0],)) + print "Skipping", repr(t.value[0]) + t.lexer.skip(1) + +## I implemented INDENT / DEDENT generation as a post-processing filter + +# The original lex token stream contains WS and NEWLINE characters. +# WS will only occur before any other tokens on a line. + +# I have three filters. One tags tokens by adding two attributes. +# "must_indent" is True if the token must be indented from the +# previous code. The other is "at_line_start" which is True for WS +# and the first non-WS/non-NEWLINE on a line. It flags the check so +# see if the new line has changed indication level. + +# Python's syntax has three INDENT states +# 0) no colon hence no need to indent +# 1) "if 1: go()" - simple statements have a COLON but no need for an indent +# 2) "if 1:\n go()" - complex statements have a COLON NEWLINE and must indent +NO_INDENT = 0 +MAY_INDENT = 1 +MUST_INDENT = 2 + +# only care about whitespace at the start of a line +def track_tokens_filter(lexer, tokens): + lexer.at_line_start = at_line_start = True + indent = NO_INDENT + saw_colon = False + for token in tokens: + token.at_line_start = at_line_start + + if token.type == "COLON": + at_line_start = False + indent = MAY_INDENT + token.must_indent = False + + elif token.type == "NEWLINE": + at_line_start = True + if indent == MAY_INDENT: + indent = MUST_INDENT + token.must_indent = False + + elif token.type == "WS": + assert token.at_line_start == True + at_line_start = True + token.must_indent = False + + else: + # A real token; only indent after COLON NEWLINE + if indent == MUST_INDENT: + token.must_indent = True + else: + token.must_indent = False + at_line_start = False + indent = NO_INDENT + + yield token + lexer.at_line_start = at_line_start + +def _new_token(type, lineno): + tok = lex.LexToken() + tok.type = type + tok.value = None + tok.lineno = lineno + return tok + +# Synthesize a DEDENT tag +def DEDENT(lineno): + return _new_token("DEDENT", lineno) + +# Synthesize an INDENT tag +def INDENT(lineno): + return _new_token("INDENT", lineno) + + +# Track the indentation level and emit the right INDENT / DEDENT events. +def indentation_filter(tokens): + # A stack of indentation levels; will never pop item 0 + levels = [0] + token = None + depth = 0 + prev_was_ws = False + for token in tokens: +## if 1: +## print "Process", token, +## if token.at_line_start: +## print "at_line_start", +## if token.must_indent: +## print "must_indent", +## print + + # WS only occurs at the start of the line + # There may be WS followed by NEWLINE so + # only track the depth here. Don't indent/dedent + # until there's something real. + if token.type == "WS": + assert depth == 0 + depth = len(token.value) + prev_was_ws = True + # WS tokens are never passed to the parser + continue + + if token.type == "NEWLINE": + depth = 0 + if prev_was_ws or token.at_line_start: + # ignore blank lines + continue + # pass the other cases on through + yield token + continue + + # then it must be a real token (not WS, not NEWLINE) + # which can affect the indentation level + + prev_was_ws = False + if token.must_indent: + # The current depth must be larger than the previous level + if not (depth > levels[-1]): + raise IndentationError("expected an indented block") + + levels.append(depth) + yield INDENT(token.lineno) + + elif token.at_line_start: + # Must be on the same level or one of the previous levels + if depth == levels[-1]: + # At the same level + pass + elif depth > levels[-1]: + raise IndentationError("indentation increase but not in new block") + else: + # Back up; but only if it matches a previous level + try: + i = levels.index(depth) + except ValueError: + raise IndentationError("inconsistent indentation") + for _ in range(i+1, len(levels)): + yield DEDENT(token.lineno) + levels.pop() + + yield token + + ### Finished processing ### + + # Must dedent any remaining levels + if len(levels) > 1: + assert token is not None + for _ in range(1, len(levels)): + yield DEDENT(token.lineno) + + +# The top-level filter adds an ENDMARKER, if requested. +# Python's grammar uses it. +def filter(lexer, add_endmarker = True): + token = None + tokens = iter(lexer.token, None) + tokens = track_tokens_filter(lexer, tokens) + for token in indentation_filter(tokens): + yield token + + if add_endmarker: + lineno = 1 + if token is not None: + lineno = token.lineno + yield _new_token("ENDMARKER", lineno) + +# Combine Ply and my filters into a new lexer + +class IndentLexer(object): + def __init__(self, debug=0, optimize=0, lextab='lextab', reflags=0): + self.lexer = lex.lex(debug=debug, optimize=optimize, lextab=lextab, reflags=reflags) + self.token_stream = None + def input(self, s, add_endmarker=True): + self.lexer.paren_count = 0 + self.lexer.input(s) + self.token_stream = filter(self.lexer, add_endmarker) + def token(self): + try: + return self.token_stream.next() + except StopIteration: + return None + +########## Parser (tokens -> AST) ###### + +# also part of Ply +#import yacc + +# I use the Python AST +from compiler import ast + +# Helper function +def Assign(left, right): + names = [] + if isinstance(left, ast.Name): + # Single assignment on left + return ast.Assign([ast.AssName(left.name, 'OP_ASSIGN')], right) + elif isinstance(left, ast.Tuple): + # List of things - make sure they are Name nodes + names = [] + for child in left.getChildren(): + if not isinstance(child, ast.Name): + raise SyntaxError("that assignment not supported") + names.append(child.name) + ass_list = [ast.AssName(name, 'OP_ASSIGN') for name in names] + return ast.Assign([ast.AssTuple(ass_list)], right) + else: + raise SyntaxError("Can't do that yet") + + +# The grammar comments come from Python's Grammar/Grammar file + +## NB: compound_stmt in single_input is followed by extra NEWLINE! +# file_input: (NEWLINE | stmt)* ENDMARKER +def p_file_input_end(p): + """file_input_end : file_input ENDMARKER""" + p[0] = ast.Stmt(p[1]) +def p_file_input(p): + """file_input : file_input NEWLINE + | file_input stmt + | NEWLINE + | stmt""" + if isinstance(p[len(p)-1], basestring): + if len(p) == 3: + p[0] = p[1] + else: + p[0] = [] # p == 2 --> only a blank line + else: + if len(p) == 3: + p[0] = p[1] + p[2] + else: + p[0] = p[1] + + +# funcdef: [decorators] 'def' NAME parameters ':' suite +# ignoring decorators +def p_funcdef(p): + "funcdef : DEF NAME parameters COLON suite" + p[0] = ast.Function(None, p[2], tuple(p[3]), (), 0, None, p[5]) + +# parameters: '(' [varargslist] ')' +def p_parameters(p): + """parameters : LPAR RPAR + | LPAR varargslist RPAR""" + if len(p) == 3: + p[0] = [] + else: + p[0] = p[2] + + +# varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' '**' NAME] | '**' NAME) | +# highly simplified +def p_varargslist(p): + """varargslist : varargslist COMMA NAME + | NAME""" + if len(p) == 4: + p[0] = p[1] + p[3] + else: + p[0] = [p[1]] + +# stmt: simple_stmt | compound_stmt +def p_stmt_simple(p): + """stmt : simple_stmt""" + # simple_stmt is a list + p[0] = p[1] + +def p_stmt_compound(p): + """stmt : compound_stmt""" + p[0] = [p[1]] + +# simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE +def p_simple_stmt(p): + """simple_stmt : small_stmts NEWLINE + | small_stmts SEMICOLON NEWLINE""" + p[0] = p[1] + +def p_small_stmts(p): + """small_stmts : small_stmts SEMICOLON small_stmt + | small_stmt""" + if len(p) == 4: + p[0] = p[1] + [p[3]] + else: + p[0] = [p[1]] + +# small_stmt: expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt | +# import_stmt | global_stmt | exec_stmt | assert_stmt +def p_small_stmt(p): + """small_stmt : flow_stmt + | expr_stmt""" + p[0] = p[1] + +# expr_stmt: testlist (augassign (yield_expr|testlist) | +# ('=' (yield_expr|testlist))*) +# augassign: ('+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' | +# '<<=' | '>>=' | '**=' | '//=') +def p_expr_stmt(p): + """expr_stmt : testlist ASSIGN testlist + | testlist """ + if len(p) == 2: + # a list of expressions + p[0] = ast.Discard(p[1]) + else: + p[0] = Assign(p[1], p[3]) + +def p_flow_stmt(p): + "flow_stmt : return_stmt" + p[0] = p[1] + +# return_stmt: 'return' [testlist] +def p_return_stmt(p): + "return_stmt : RETURN testlist" + p[0] = ast.Return(p[2]) + + +def p_compound_stmt(p): + """compound_stmt : if_stmt + | funcdef""" + p[0] = p[1] + +def p_if_stmt(p): + 'if_stmt : IF test COLON suite' + p[0] = ast.If([(p[2], p[4])], None) + +def p_suite(p): + """suite : simple_stmt + | NEWLINE INDENT stmts DEDENT""" + if len(p) == 2: + p[0] = ast.Stmt(p[1]) + else: + p[0] = ast.Stmt(p[3]) + + +def p_stmts(p): + """stmts : stmts stmt + | stmt""" + if len(p) == 3: + p[0] = p[1] + p[2] + else: + p[0] = p[1] + +## No using Python's approach because Ply supports precedence + +# comparison: expr (comp_op expr)* +# arith_expr: term (('+'|'-') term)* +# term: factor (('*'|'/'|'%'|'//') factor)* +# factor: ('+'|'-'|'~') factor | power +# comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not' + +def make_lt_compare((left, right)): + return ast.Compare(left, [('<', right),]) +def make_gt_compare((left, right)): + return ast.Compare(left, [('>', right),]) +def make_eq_compare((left, right)): + return ast.Compare(left, [('==', right),]) + + +binary_ops = { + "+": ast.Add, + "-": ast.Sub, + "*": ast.Mul, + "/": ast.Div, + "<": make_lt_compare, + ">": make_gt_compare, + "==": make_eq_compare, +} +unary_ops = { + "+": ast.UnaryAdd, + "-": ast.UnarySub, + } +precedence = ( + ("left", "EQ", "GT", "LT"), + ("left", "PLUS", "MINUS"), + ("left", "MULT", "DIV"), + ) + +def p_comparison(p): + """comparison : comparison PLUS comparison + | comparison MINUS comparison + | comparison MULT comparison + | comparison DIV comparison + | comparison LT comparison + | comparison EQ comparison + | comparison GT comparison + | PLUS comparison + | MINUS comparison + | power""" + if len(p) == 4: + p[0] = binary_ops[p[2]]((p[1], p[3])) + elif len(p) == 3: + p[0] = unary_ops[p[1]](p[2]) + else: + p[0] = p[1] + +# power: atom trailer* ['**' factor] +# trailers enables function calls. I only allow one level of calls +# so this is 'trailer' +def p_power(p): + """power : atom + | atom trailer""" + if len(p) == 2: + p[0] = p[1] + else: + if p[2][0] == "CALL": + p[0] = ast.CallFunc(p[1], p[2][1], None, None) + else: + raise AssertionError("not implemented") + +def p_atom_name(p): + """atom : NAME""" + p[0] = ast.Name(p[1]) + +def p_atom_number(p): + """atom : NUMBER + | STRING""" + p[0] = ast.Const(p[1]) + +def p_atom_tuple(p): + """atom : LPAR testlist RPAR""" + p[0] = p[2] + +# trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME +def p_trailer(p): + "trailer : LPAR arglist RPAR" + p[0] = ("CALL", p[2]) + +# testlist: test (',' test)* [','] +# Contains shift/reduce error +def p_testlist(p): + """testlist : testlist_multi COMMA + | testlist_multi """ + if len(p) == 2: + p[0] = p[1] + else: + # May need to promote singleton to tuple + if isinstance(p[1], list): + p[0] = p[1] + else: + p[0] = [p[1]] + # Convert into a tuple? + if isinstance(p[0], list): + p[0] = ast.Tuple(p[0]) + +def p_testlist_multi(p): + """testlist_multi : testlist_multi COMMA test + | test""" + if len(p) == 2: + # singleton + p[0] = p[1] + else: + if isinstance(p[1], list): + p[0] = p[1] + [p[3]] + else: + # singleton -> tuple + p[0] = [p[1], p[3]] + + +# test: or_test ['if' or_test 'else' test] | lambdef +# as I don't support 'and', 'or', and 'not' this works down to 'comparison' +def p_test(p): + "test : comparison" + p[0] = p[1] + + + +# arglist: (argument ',')* (argument [',']| '*' test [',' '**' test] | '**' test) +# XXX INCOMPLETE: this doesn't allow the trailing comma +def p_arglist(p): + """arglist : arglist COMMA argument + | argument""" + if len(p) == 4: + p[0] = p[1] + [p[3]] + else: + p[0] = [p[1]] + +# argument: test [gen_for] | test '=' test # Really [keyword '='] test +def p_argument(p): + "argument : test" + p[0] = p[1] + +def p_error(p): + #print "Error!", repr(p) + raise SyntaxError(p) + + +class GardenSnakeParser(object): + def __init__(self, lexer = None): + if lexer is None: + lexer = IndentLexer() + self.lexer = lexer + self.parser = yacc.yacc(start="file_input_end") + + def parse(self, code): + self.lexer.input(code) + result = self.parser.parse(lexer = self.lexer) + return ast.Module(None, result) + + +###### Code generation ###### + +from compiler import misc, syntax, pycodegen + +class GardenSnakeCompiler(object): + def __init__(self): + self.parser = GardenSnakeParser() + def compile(self, code, filename=""): + tree = self.parser.parse(code) + #print tree + misc.set_filename(filename, tree) + syntax.check(tree) + gen = pycodegen.ModuleCodeGenerator(tree) + code = gen.getCode() + return code + +####### Test code ####### + +compile = GardenSnakeCompiler().compile + +code = r""" + +print('LET\'S TRY THIS \\OUT') + +#Comment here +def x(a): + print('called with',a) + if a == 1: + return 2 + if a*2 > 10: return 999 / 4 + # Another comment here + + return a+2*3 + +ints = (1, 2, + 3, 4, +5) +print('mutiline-expression', ints) + +t = 4+1/3*2+6*(9-5+1) +print('predence test; should be 34+2/3:', t, t==(34+2/3)) + +print('numbers', 1,2,3,4,5) +if 1: + 8 + a=9 + print(x(a)) + +print(x(1)) +print(x(2)) +print(x(8),'3') +print('this is decimal', 1/5) +print('BIG DECIMAL', 1.234567891234567e12345) + +""" + +# Set up the GardenSnake run-time environment +def print_(*args): + print "-->", " ".join(map(str,args)) + +globals()["print"] = print_ + +compiled_code = compile(code) + +exec compiled_code in globals() +print "Done" diff --git a/solve/ply-2.2/example/GardenSnake/README b/solve/ply-2.2/example/GardenSnake/README new file mode 100644 index 0000000..4d8be2d --- /dev/null +++ b/solve/ply-2.2/example/GardenSnake/README @@ -0,0 +1,5 @@ +This example is Andrew Dalke's GardenSnake language. It shows how to process an +indentation-like language like Python. Further details can be found here: + +http://dalkescientific.com/writings/diary/archive/2006/08/30/gardensnake_language.html + diff --git a/solve/ply-2.2/example/README b/solve/ply-2.2/example/README new file mode 100644 index 0000000..63519b5 --- /dev/null +++ b/solve/ply-2.2/example/README @@ -0,0 +1,10 @@ +Simple examples: + calc - Simple calculator + classcalc - Simple calculate defined as a class + +Complex examples + ansic - ANSI C grammar from K&R + BASIC - A small BASIC interpreter + GardenSnake - A simple python-like language + yply - Converts Unix yacc files to PLY programs. + diff --git a/solve/ply-2.2/example/ansic/README b/solve/ply-2.2/example/ansic/README new file mode 100644 index 0000000..e049d3b --- /dev/null +++ b/solve/ply-2.2/example/ansic/README @@ -0,0 +1,2 @@ +This example is incomplete. Was going to specify an ANSI C parser. +This is part of it. diff --git a/solve/ply-2.2/example/ansic/clex.py b/solve/ply-2.2/example/ansic/clex.py new file mode 100644 index 0000000..6b9d7e7 --- /dev/null +++ b/solve/ply-2.2/example/ansic/clex.py @@ -0,0 +1,164 @@ +# ---------------------------------------------------------------------- +# clex.py +# +# A lexer for ANSI C. +# ---------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + +import ply.lex as lex + +# Reserved words +reserved = ( + 'AUTO', 'BREAK', 'CASE', 'CHAR', 'CONST', 'CONTINUE', 'DEFAULT', 'DO', 'DOUBLE', + 'ELSE', 'ENUM', 'EXTERN', 'FLOAT', 'FOR', 'GOTO', 'IF', 'INT', 'LONG', 'REGISTER', + 'RETURN', 'SHORT', 'SIGNED', 'SIZEOF', 'STATIC', 'STRUCT', 'SWITCH', 'TYPEDEF', + 'UNION', 'UNSIGNED', 'VOID', 'VOLATILE', 'WHILE', + ) + +tokens = reserved + ( + # Literals (identifier, integer constant, float constant, string constant, char const) + 'ID', 'TYPEID', 'ICONST', 'FCONST', 'SCONST', 'CCONST', + + # Operators (+,-,*,/,%,|,&,~,^,<<,>>, ||, &&, !, <, <=, >, >=, ==, !=) + 'PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MOD', + 'OR', 'AND', 'NOT', 'XOR', 'LSHIFT', 'RSHIFT', + 'LOR', 'LAND', 'LNOT', + 'LT', 'LE', 'GT', 'GE', 'EQ', 'NE', + + # Assignment (=, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=) + 'EQUALS', 'TIMESEQUAL', 'DIVEQUAL', 'MODEQUAL', 'PLUSEQUAL', 'MINUSEQUAL', + 'LSHIFTEQUAL','RSHIFTEQUAL', 'ANDEQUAL', 'XOREQUAL', 'OREQUAL', + + # Increment/decrement (++,--) + 'PLUSPLUS', 'MINUSMINUS', + + # Structure dereference (->) + 'ARROW', + + # Conditional operator (?) + 'CONDOP', + + # Delimeters ( ) [ ] { } , . ; : + 'LPAREN', 'RPAREN', + 'LBRACKET', 'RBRACKET', + 'LBRACE', 'RBRACE', + 'COMMA', 'PERIOD', 'SEMI', 'COLON', + + # Ellipsis (...) + 'ELLIPSIS', + ) + +# Completely ignored characters +t_ignore = ' \t\x0c' + +# Newlines +def t_NEWLINE(t): + r'\n+' + t.lexer.lineno += t.value.count("\n") + +# Operators +t_PLUS = r'\+' +t_MINUS = r'-' +t_TIMES = r'\*' +t_DIVIDE = r'/' +t_MOD = r'%' +t_OR = r'\|' +t_AND = r'&' +t_NOT = r'~' +t_XOR = r'\^' +t_LSHIFT = r'<<' +t_RSHIFT = r'>>' +t_LOR = r'\|\|' +t_LAND = r'&&' +t_LNOT = r'!' +t_LT = r'<' +t_GT = r'>' +t_LE = r'<=' +t_GE = r'>=' +t_EQ = r'==' +t_NE = r'!=' + +# Assignment operators + +t_EQUALS = r'=' +t_TIMESEQUAL = r'\*=' +t_DIVEQUAL = r'/=' +t_MODEQUAL = r'%=' +t_PLUSEQUAL = r'\+=' +t_MINUSEQUAL = r'-=' +t_LSHIFTEQUAL = r'<<=' +t_RSHIFTEQUAL = r'>>=' +t_ANDEQUAL = r'&=' +t_OREQUAL = r'\|=' +t_XOREQUAL = r'^=' + +# Increment/decrement +t_PLUSPLUS = r'\+\+' +t_MINUSMINUS = r'--' + +# -> +t_ARROW = r'->' + +# ? +t_CONDOP = r'\?' + +# Delimeters +t_LPAREN = r'\(' +t_RPAREN = r'\)' +t_LBRACKET = r'\[' +t_RBRACKET = r'\]' +t_LBRACE = r'\{' +t_RBRACE = r'\}' +t_COMMA = r',' +t_PERIOD = r'\.' +t_SEMI = r';' +t_COLON = r':' +t_ELLIPSIS = r'\.\.\.' + +# Identifiers and reserved words + +reserved_map = { } +for r in reserved: + reserved_map[r.lower()] = r + +def t_ID(t): + r'[A-Za-z_][\w_]*' + t.type = reserved_map.get(t.value,"ID") + return t + +# Integer literal +t_ICONST = r'\d+([uU]|[lL]|[uU][lL]|[lL][uU])?' + +# Floating literal +t_FCONST = r'((\d+)(\.\d+)(e(\+|-)?(\d+))? | (\d+)e(\+|-)?(\d+))([lL]|[fF])?' + +# String literal +t_SCONST = r'\"([^\\\n]|(\\.))*?\"' + +# Character constant 'c' or L'c' +t_CCONST = r'(L)?\'([^\\\n]|(\\.))*?\'' + +# Comments +def t_comment(t): + r' /\*(.|\n)*?\*/' + t.lineno += t.value.count('\n') + +# Preprocessor directive (ignored) +def t_preprocessor(t): + r'\#(.)*?\n' + t.lineno += 1 + +def t_error(t): + print "Illegal character %s" % repr(t.value[0]) + t.lexer.skip(1) + +lexer = lex.lex(optimize=1) +if __name__ == "__main__": + lex.runmain(lexer) + + + + + diff --git a/solve/ply-2.2/example/ansic/cparse.py b/solve/ply-2.2/example/ansic/cparse.py new file mode 100644 index 0000000..b6a0c42 --- /dev/null +++ b/solve/ply-2.2/example/ansic/cparse.py @@ -0,0 +1,863 @@ +# ----------------------------------------------------------------------------- +# cparse.py +# +# Simple parser for ANSI C. Based on the grammar in K&R, 2nd Ed. +# ----------------------------------------------------------------------------- + +import sys +import clex +import ply.yacc as yacc + +# Get the token map +tokens = clex.tokens + +# translation-unit: + +def p_translation_unit_1(t): + 'translation_unit : external_declaration' + pass + +def p_translation_unit_2(t): + 'translation_unit : translation_unit external_declaration' + pass + +# external-declaration: + +def p_external_declaration_1(t): + 'external_declaration : function_definition' + pass + +def p_external_declaration_2(t): + 'external_declaration : declaration' + pass + +# function-definition: + +def p_function_definition_1(t): + 'function_definition : declaration_specifiers declarator declaration_list compound_statement' + pass + +def p_function_definition_2(t): + 'function_definition : declarator declaration_list compound_statement' + pass + +def p_function_definition_3(t): + 'function_definition : declarator compound_statement' + pass + +def p_function_definition_4(t): + 'function_definition : declaration_specifiers declarator compound_statement' + pass + +# declaration: + +def p_declaration_1(t): + 'declaration : declaration_specifiers init_declarator_list SEMI' + pass + +def p_declaration_2(t): + 'declaration : declaration_specifiers SEMI' + pass + +# declaration-list: + +def p_declaration_list_1(t): + 'declaration_list : declaration' + pass + +def p_declaration_list_2(t): + 'declaration_list : declaration_list declaration ' + pass + +# declaration-specifiers +def p_declaration_specifiers_1(t): + 'declaration_specifiers : storage_class_specifier declaration_specifiers' + pass + +def p_declaration_specifiers_2(t): + 'declaration_specifiers : type_specifier declaration_specifiers' + pass + +def p_declaration_specifiers_3(t): + 'declaration_specifiers : type_qualifier declaration_specifiers' + pass + +def p_declaration_specifiers_4(t): + 'declaration_specifiers : storage_class_specifier' + pass + +def p_declaration_specifiers_5(t): + 'declaration_specifiers : type_specifier' + pass + +def p_declaration_specifiers_6(t): + 'declaration_specifiers : type_qualifier' + pass + +# storage-class-specifier +def p_storage_class_specifier(t): + '''storage_class_specifier : AUTO + | REGISTER + | STATIC + | EXTERN + | TYPEDEF + ''' + pass + +# type-specifier: +def p_type_specifier(t): + '''type_specifier : VOID + | CHAR + | SHORT + | INT + | LONG + | FLOAT + | DOUBLE + | SIGNED + | UNSIGNED + | struct_or_union_specifier + | enum_specifier + | TYPEID + ''' + pass + +# type-qualifier: +def p_type_qualifier(t): + '''type_qualifier : CONST + | VOLATILE''' + pass + +# struct-or-union-specifier + +def p_struct_or_union_specifier_1(t): + 'struct_or_union_specifier : struct_or_union ID LBRACE struct_declaration_list RBRACE' + pass + +def p_struct_or_union_specifier_2(t): + 'struct_or_union_specifier : struct_or_union LBRACE struct_declaration_list RBRACE' + pass + +def p_struct_or_union_specifier_3(t): + 'struct_or_union_specifier : struct_or_union ID' + pass + +# struct-or-union: +def p_struct_or_union(t): + '''struct_or_union : STRUCT + | UNION + ''' + pass + +# struct-declaration-list: + +def p_struct_declaration_list_1(t): + 'struct_declaration_list : struct_declaration' + pass + +def p_struct_declaration_list_2(t): + 'struct_declaration_list : struct_declarator_list struct_declaration' + pass + +# init-declarator-list: + +def p_init_declarator_list_1(t): + 'init_declarator_list : init_declarator' + pass + +def p_init_declarator_list_2(t): + 'init_declarator_list : init_declarator_list COMMA init_declarator' + pass + +# init-declarator + +def p_init_declarator_1(t): + 'init_declarator : declarator' + pass + +def p_init_declarator_2(t): + 'init_declarator : declarator EQUALS initializer' + pass + +# struct-declaration: + +def p_struct_declaration(t): + 'struct_declaration : specifier_qualifier_list struct_declarator_list SEMI' + pass + +# specifier-qualifier-list: + +def p_specifier_qualifier_list_1(t): + 'specifier_qualifier_list : type_specifier specifier_qualifier_list' + pass + +def p_specifier_qualifier_list_2(t): + 'specifier_qualifier_list : type_specifier' + pass + +def p_specifier_qualifier_list_3(t): + 'specifier_qualifier_list : type_qualifier specifier_qualifier_list' + pass + +def p_specifier_qualifier_list_4(t): + 'specifier_qualifier_list : type_qualifier' + pass + +# struct-declarator-list: + +def p_struct_declarator_list_1(t): + 'struct_declarator_list : struct_declarator' + pass + +def p_struct_declarator_list_2(t): + 'struct_declarator_list : struct_declarator_list COMMA struct_declarator' + pass + +# struct-declarator: + +def p_struct_declarator_1(t): + 'struct_declarator : declarator' + pass + +def p_struct_declarator_2(t): + 'struct_declarator : declarator COLON constant_expression' + pass + +def p_struct_declarator_3(t): + 'struct_declarator : COLON constant_expression' + pass + +# enum-specifier: + +def p_enum_specifier_1(t): + 'enum_specifier : ENUM ID LBRACE enumerator_list RBRACE' + pass + +def p_enum_specifier_2(t): + 'enum_specifier : ENUM LBRACE enumerator_list RBRACE' + pass + +def p_enum_specifier_3(t): + 'enum_specifier : ENUM ID' + pass + +# enumerator_list: +def p_enumerator_list_1(t): + 'enumerator_list : enumerator' + pass + +def p_enumerator_list_2(t): + 'enumerator_list : enumerator_list COMMA enumerator' + pass + +# enumerator: +def p_enumerator_1(t): + 'enumerator : ID' + pass + +def p_enumerator_2(t): + 'enumerator : ID EQUALS constant_expression' + pass + +# declarator: + +def p_declarator_1(t): + 'declarator : pointer direct_declarator' + pass + +def p_declarator_2(t): + 'declarator : direct_declarator' + pass + +# direct-declarator: + +def p_direct_declarator_1(t): + 'direct_declarator : ID' + pass + +def p_direct_declarator_2(t): + 'direct_declarator : LPAREN declarator RPAREN' + pass + +def p_direct_declarator_3(t): + 'direct_declarator : direct_declarator LBRACKET constant_expression_opt RBRACKET' + pass + +def p_direct_declarator_4(t): + 'direct_declarator : direct_declarator LPAREN parameter_type_list RPAREN ' + pass + +def p_direct_declarator_5(t): + 'direct_declarator : direct_declarator LPAREN identifier_list RPAREN ' + pass + +def p_direct_declarator_6(t): + 'direct_declarator : direct_declarator LPAREN RPAREN ' + pass + +# pointer: +def p_pointer_1(t): + 'pointer : TIMES type_qualifier_list' + pass + +def p_pointer_2(t): + 'pointer : TIMES' + pass + +def p_pointer_3(t): + 'pointer : TIMES type_qualifier_list pointer' + pass + +def p_pointer_4(t): + 'pointer : TIMES pointer' + pass + +# type-qualifier-list: + +def p_type_qualifier_list_1(t): + 'type_qualifier_list : type_qualifier' + pass + +def p_type_qualifier_list_2(t): + 'type_qualifier_list : type_qualifier_list type_qualifier' + pass + +# parameter-type-list: + +def p_parameter_type_list_1(t): + 'parameter_type_list : parameter_list' + pass + +def p_parameter_type_list_2(t): + 'parameter_type_list : parameter_list COMMA ELLIPSIS' + pass + +# parameter-list: + +def p_parameter_list_1(t): + 'parameter_list : parameter_declaration' + pass + +def p_parameter_list_2(t): + 'parameter_list : parameter_list COMMA parameter_declaration' + pass + +# parameter-declaration: +def p_parameter_declaration_1(t): + 'parameter_declaration : declaration_specifiers declarator' + pass + +def p_parameter_declaration_2(t): + 'parameter_declaration : declaration_specifiers abstract_declarator_opt' + pass + +# identifier-list: +def p_identifier_list_1(t): + 'identifier_list : ID' + pass + +def p_identifier_list_2(t): + 'identifier_list : identifier_list COMMA ID' + pass + +# initializer: + +def p_initializer_1(t): + 'initializer : assignment_expression' + pass + +def p_initializer_2(t): + '''initializer : LBRACE initializer_list RBRACE + | LBRACE initializer_list COMMA RBRACE''' + pass + +# initializer-list: + +def p_initializer_list_1(t): + 'initializer_list : initializer' + pass + +def p_initializer_list_2(t): + 'initializer_list : initializer_list COMMA initializer' + pass + +# type-name: + +def p_type_name(t): + 'type_name : specifier_qualifier_list abstract_declarator_opt' + pass + +def p_abstract_declarator_opt_1(t): + 'abstract_declarator_opt : empty' + pass + +def p_abstract_declarator_opt_2(t): + 'abstract_declarator_opt : abstract_declarator' + pass + +# abstract-declarator: + +def p_abstract_declarator_1(t): + 'abstract_declarator : pointer ' + pass + +def p_abstract_declarator_2(t): + 'abstract_declarator : pointer direct_abstract_declarator' + pass + +def p_abstract_declarator_3(t): + 'abstract_declarator : direct_abstract_declarator' + pass + +# direct-abstract-declarator: + +def p_direct_abstract_declarator_1(t): + 'direct_abstract_declarator : LPAREN abstract_declarator RPAREN' + pass + +def p_direct_abstract_declarator_2(t): + 'direct_abstract_declarator : direct_abstract_declarator LBRACKET constant_expression_opt RBRACKET' + pass + +def p_direct_abstract_declarator_3(t): + 'direct_abstract_declarator : LBRACKET constant_expression_opt RBRACKET' + pass + +def p_direct_abstract_declarator_4(t): + 'direct_abstract_declarator : direct_abstract_declarator LPAREN parameter_type_list_opt RPAREN' + pass + +def p_direct_abstract_declarator_5(t): + 'direct_abstract_declarator : LPAREN parameter_type_list_opt RPAREN' + pass + +# Optional fields in abstract declarators + +def p_constant_expression_opt_1(t): + 'constant_expression_opt : empty' + pass + +def p_constant_expression_opt_2(t): + 'constant_expression_opt : constant_expression' + pass + +def p_parameter_type_list_opt_1(t): + 'parameter_type_list_opt : empty' + pass + +def p_parameter_type_list_opt_2(t): + 'parameter_type_list_opt : parameter_type_list' + pass + +# statement: + +def p_statement(t): + ''' + statement : labeled_statement + | expression_statement + | compound_statement + | selection_statement + | iteration_statement + | jump_statement + ''' + pass + +# labeled-statement: + +def p_labeled_statement_1(t): + 'labeled_statement : ID COLON statement' + pass + +def p_labeled_statement_2(t): + 'labeled_statement : CASE constant_expression COLON statement' + pass + +def p_labeled_statement_3(t): + 'labeled_statement : DEFAULT COLON statement' + pass + +# expression-statement: +def p_expression_statement(t): + 'expression_statement : expression_opt SEMI' + pass + +# compound-statement: + +def p_compound_statement_1(t): + 'compound_statement : LBRACE declaration_list statement_list RBRACE' + pass + +def p_compound_statement_2(t): + 'compound_statement : LBRACE statement_list RBRACE' + pass + +def p_compound_statement_3(t): + 'compound_statement : LBRACE declaration_list RBRACE' + pass + +def p_compound_statement_4(t): + 'compound_statement : LBRACE RBRACE' + pass + +# statement-list: + +def p_statement_list_1(t): + 'statement_list : statement' + pass + +def p_statement_list_2(t): + 'statement_list : statement_list statement' + pass + +# selection-statement + +def p_selection_statement_1(t): + 'selection_statement : IF LPAREN expression RPAREN statement' + pass + +def p_selection_statement_2(t): + 'selection_statement : IF LPAREN expression RPAREN statement ELSE statement ' + pass + +def p_selection_statement_3(t): + 'selection_statement : SWITCH LPAREN expression RPAREN statement ' + pass + +# iteration_statement: + +def p_iteration_statement_1(t): + 'iteration_statement : WHILE LPAREN expression RPAREN statement' + pass + +def p_iteration_statement_2(t): + 'iteration_statement : FOR LPAREN expression_opt SEMI expression_opt SEMI expression_opt RPAREN statement ' + pass + +def p_iteration_statement_3(t): + 'iteration_statement : DO statement WHILE LPAREN expression RPAREN SEMI' + pass + +# jump_statement: + +def p_jump_statement_1(t): + 'jump_statement : GOTO ID SEMI' + pass + +def p_jump_statement_2(t): + 'jump_statement : CONTINUE SEMI' + pass + +def p_jump_statement_3(t): + 'jump_statement : BREAK SEMI' + pass + +def p_jump_statement_4(t): + 'jump_statement : RETURN expression_opt SEMI' + pass + +def p_expression_opt_1(t): + 'expression_opt : empty' + pass + +def p_expression_opt_2(t): + 'expression_opt : expression' + pass + +# expression: +def p_expression_1(t): + 'expression : assignment_expression' + pass + +def p_expression_2(t): + 'expression : expression COMMA assignment_expression' + pass + +# assigment_expression: +def p_assignment_expression_1(t): + 'assignment_expression : conditional_expression' + pass + +def p_assignment_expression_2(t): + 'assignment_expression : unary_expression assignment_operator assignment_expression' + pass + +# assignment_operator: +def p_assignment_operator(t): + ''' + assignment_operator : EQUALS + | TIMESEQUAL + | DIVEQUAL + | MODEQUAL + | PLUSEQUAL + | MINUSEQUAL + | LSHIFTEQUAL + | RSHIFTEQUAL + | ANDEQUAL + | OREQUAL + | XOREQUAL + ''' + pass + +# conditional-expression +def p_conditional_expression_1(t): + 'conditional_expression : logical_or_expression' + pass + +def p_conditional_expression_2(t): + 'conditional_expression : logical_or_expression CONDOP expression COLON conditional_expression ' + pass + +# constant-expression + +def p_constant_expression(t): + 'constant_expression : conditional_expression' + pass + +# logical-or-expression + +def p_logical_or_expression_1(t): + 'logical_or_expression : logical_and_expression' + pass + +def p_logical_or_expression_2(t): + 'logical_or_expression : logical_or_expression LOR logical_and_expression' + pass + +# logical-and-expression + +def p_logical_and_expression_1(t): + 'logical_and_expression : inclusive_or_expression' + pass + +def p_logical_and_expression_2(t): + 'logical_and_expression : logical_and_expression LAND inclusive_or_expression' + pass + +# inclusive-or-expression: + +def p_inclusive_or_expression_1(t): + 'inclusive_or_expression : exclusive_or_expression' + pass + +def p_inclusive_or_expression_2(t): + 'inclusive_or_expression : inclusive_or_expression OR exclusive_or_expression' + pass + +# exclusive-or-expression: + +def p_exclusive_or_expression_1(t): + 'exclusive_or_expression : and_expression' + pass + +def p_exclusive_or_expression_2(t): + 'exclusive_or_expression : exclusive_or_expression XOR and_expression' + pass + +# AND-expression + +def p_and_expression_1(t): + 'and_expression : equality_expression' + pass + +def p_and_expression_2(t): + 'and_expression : and_expression AND equality_expression' + pass + + +# equality-expression: +def p_equality_expression_1(t): + 'equality_expression : relational_expression' + pass + +def p_equality_expression_2(t): + 'equality_expression : equality_expression EQ relational_expression' + pass + +def p_equality_expression_3(t): + 'equality_expression : equality_expression NE relational_expression' + pass + + +# relational-expression: +def p_relational_expression_1(t): + 'relational_expression : shift_expression' + pass + +def p_relational_expression_2(t): + 'relational_expression : relational_expression LT shift_expression' + pass + +def p_relational_expression_3(t): + 'relational_expression : relational_expression GT shift_expression' + pass + +def p_relational_expression_4(t): + 'relational_expression : relational_expression LE shift_expression' + pass + +def p_relational_expression_5(t): + 'relational_expression : relational_expression GE shift_expression' + pass + +# shift-expression + +def p_shift_expression_1(t): + 'shift_expression : additive_expression' + pass + +def p_shift_expression_2(t): + 'shift_expression : shift_expression LSHIFT additive_expression' + pass + +def p_shift_expression_3(t): + 'shift_expression : shift_expression RSHIFT additive_expression' + pass + +# additive-expression + +def p_additive_expression_1(t): + 'additive_expression : multiplicative_expression' + pass + +def p_additive_expression_2(t): + 'additive_expression : additive_expression PLUS multiplicative_expression' + pass + +def p_additive_expression_3(t): + 'additive_expression : additive_expression MINUS multiplicative_expression' + pass + +# multiplicative-expression + +def p_multiplicative_expression_1(t): + 'multiplicative_expression : cast_expression' + pass + +def p_multiplicative_expression_2(t): + 'multiplicative_expression : multiplicative_expression TIMES cast_expression' + pass + +def p_multiplicative_expression_3(t): + 'multiplicative_expression : multiplicative_expression DIVIDE cast_expression' + pass + +def p_multiplicative_expression_4(t): + 'multiplicative_expression : multiplicative_expression MOD cast_expression' + pass + +# cast-expression: + +def p_cast_expression_1(t): + 'cast_expression : unary_expression' + pass + +def p_cast_expression_2(t): + 'cast_expression : LPAREN type_name RPAREN cast_expression' + pass + +# unary-expression: +def p_unary_expression_1(t): + 'unary_expression : postfix_expression' + pass + +def p_unary_expression_2(t): + 'unary_expression : PLUSPLUS unary_expression' + pass + +def p_unary_expression_3(t): + 'unary_expression : MINUSMINUS unary_expression' + pass + +def p_unary_expression_4(t): + 'unary_expression : unary_operator cast_expression' + pass + +def p_unary_expression_5(t): + 'unary_expression : SIZEOF unary_expression' + pass + +def p_unary_expression_6(t): + 'unary_expression : SIZEOF LPAREN type_name RPAREN' + pass + +#unary-operator +def p_unary_operator(t): + '''unary_operator : AND + | TIMES + | PLUS + | MINUS + | NOT + | LNOT ''' + pass + +# postfix-expression: +def p_postfix_expression_1(t): + 'postfix_expression : primary_expression' + pass + +def p_postfix_expression_2(t): + 'postfix_expression : postfix_expression LBRACKET expression RBRACKET' + pass + +def p_postfix_expression_3(t): + 'postfix_expression : postfix_expression LPAREN argument_expression_list RPAREN' + pass + +def p_postfix_expression_4(t): + 'postfix_expression : postfix_expression LPAREN RPAREN' + pass + +def p_postfix_expression_5(t): + 'postfix_expression : postfix_expression PERIOD ID' + pass + +def p_postfix_expression_6(t): + 'postfix_expression : postfix_expression ARROW ID' + pass + +def p_postfix_expression_7(t): + 'postfix_expression : postfix_expression PLUSPLUS' + pass + +def p_postfix_expression_8(t): + 'postfix_expression : postfix_expression MINUSMINUS' + pass + +# primary-expression: +def p_primary_expression(t): + '''primary_expression : ID + | constant + | SCONST + | LPAREN expression RPAREN''' + pass + +# argument-expression-list: +def p_argument_expression_list(t): + '''argument_expression_list : assignment_expression + | argument_expression_list COMMA assignment_expression''' + pass + +# constant: +def p_constant(t): + '''constant : ICONST + | FCONST + | CCONST''' + pass + + +def p_empty(t): + 'empty : ' + pass + +def p_error(t): + print "Whoa. We're hosed" + +import profile +# Build the grammar + +yacc.yacc(method='LALR') + +#profile.run("yacc.yacc(method='LALR')") + + + + diff --git a/solve/ply-2.2/example/ansic/lextab.py b/solve/ply-2.2/example/ansic/lextab.py new file mode 100644 index 0000000..ce9804b --- /dev/null +++ b/solve/ply-2.2/example/ansic/lextab.py @@ -0,0 +1,8 @@ +# lextab.py. This file automatically created by PLY (version 2.2). Don't edit! +_lextokens = {'SHORT': None, 'SIGNED': None, 'TIMES': None, 'TYPEID': None, 'GT': None, 'ARROW': None, 'FCONST': None, 'CONST': None, 'GE': None, 'PERIOD': None, 'SEMI': None, 'REGISTER': None, 'ENUM': None, 'SIZEOF': None, 'COMMA': None, 'RBRACE': None, 'RPAREN': None, 'RSHIFTEQUAL': None, 'LT': None, 'OREQUAL': None, 'XOREQUAL': None, 'DOUBLE': None, 'LBRACE': None, 'STRUCT': None, 'LPAREN': None, 'PLUSEQUAL': None, 'LNOT': None, 'NOT': None, 'CONDOP': None, 'LE': None, 'FLOAT': None, 'GOTO': None, 'LOR': None, 'EQ': None, 'MOD': None, 'ICONST': None, 'LONG': None, 'PLUS': None, 'DIVIDE': None, 'WHILE': None, 'UNION': None, 'CHAR': None, 'SWITCH': None, 'DO': None, 'FOR': None, 'VOID': None, 'EXTERN': None, 'RETURN': None, 'MINUSEQUAL': None, 'ELSE': None, 'ANDEQUAL': None, 'BREAK': None, 'CCONST': None, 'INT': None, 'DIVEQUAL': None, 'DEFAULT': None, 'TIMESEQUAL': None, 'MINUS': None, 'OR': None, 'CONTINUE': None, 'IF': None, 'UNSIGNED': None, 'ID': None, 'MINUSMINUS': None, 'COLON': None, 'LSHIFTEQUAL': None, 'RBRACKET': None, 'VOLATILE': None, 'CASE': None, 'PLUSPLUS': None, 'RSHIFT': None, 'MODEQUAL': None, 'LAND': None, 'AND': None, 'ELLIPSIS': None, 'STATIC': None, 'LBRACKET': None, 'LSHIFT': None, 'NE': None, 'TYPEDEF': None, 'AUTO': None, 'XOR': None, 'EQUALS': None, 'SCONST': None} +_lexreflags = 0 +_lexliterals = '' +_lexstateinfo = {'INITIAL': 'inclusive'} +_lexstatere = {'INITIAL': [('(?P\\n+)|(?P[A-Za-z_][\\w_]*)|(?P /\\*(.|\\n)*?\\*/)|(?P\\#(.)*?\\n)|(?P((\\d+)(\\.\\d+)(e(\\+|-)?(\\d+))? | (\\d+)e(\\+|-)?(\\d+))([lL]|[fF])?)|(?P\\d+([uU]|[lL]|[uU][lL]|[lL][uU])?)|(?P(L)?\\\'([^\\\\\\n]|(\\\\.))*?\\\')|(?P\\"([^\\\\\\n]|(\\\\.))*?\\")|(?P\\.\\.\\.)|(?P\\|\\|)|(?P\\+\\+)|(?P\\*=)|(?P>>=)|(?P\\|=)|(?P\\+=)|(?P<<=)|(?P\\])|(?P%=)|(?P^=)|(?P<<)|(?P\\*)|(?P&&)|(?P--)|(?P!=)|(?P\\()|(?P&=)|(?P>>)|(?P\\[)|(?P\\{)|(?P\\|)|(?P\\})|(?P->)|(?P\\+)|(?P\\?)|(?P<=)|(?P-=)|(?P\\.)|(?P/=)|(?P==)|(?P>=)|(?P\\))|(?P\\^)|(?P;)|(?P&)|(?P~)|(?P=)|(?P%)|(?P<)|(?P-)|(?P!)|(?P/)|(?P,)|(?P>)|(?P:)', [None, ('t_NEWLINE', 'NEWLINE'), ('t_ID', 'ID'), ('t_comment', 'comment'), None, ('t_preprocessor', 'preprocessor'), None, (None, 'FCONST'), None, None, None, None, None, None, None, None, None, None, (None, 'ICONST'), None, (None, 'CCONST'), None, None, None, (None, 'SCONST'), None, None, (None, 'ELLIPSIS'), (None, 'LOR'), (None, 'PLUSPLUS'), (None, 'TIMESEQUAL'), (None, 'RSHIFTEQUAL'), (None, 'OREQUAL'), (None, 'PLUSEQUAL'), (None, 'LSHIFTEQUAL'), (None, 'RBRACKET'), (None, 'MODEQUAL'), (None, 'XOREQUAL'), (None, 'LSHIFT'), (None, 'TIMES'), (None, 'LAND'), (None, 'MINUSMINUS'), (None, 'NE'), (None, 'LPAREN'), (None, 'ANDEQUAL'), (None, 'RSHIFT'), (None, 'LBRACKET'), (None, 'LBRACE'), (None, 'OR'), (None, 'RBRACE'), (None, 'ARROW'), (None, 'PLUS'), (None, 'CONDOP'), (None, 'LE'), (None, 'MINUSEQUAL'), (None, 'PERIOD'), (None, 'DIVEQUAL'), (None, 'EQ'), (None, 'GE'), (None, 'RPAREN'), (None, 'XOR'), (None, 'SEMI'), (None, 'AND'), (None, 'NOT'), (None, 'EQUALS'), (None, 'MOD'), (None, 'LT'), (None, 'MINUS'), (None, 'LNOT'), (None, 'DIVIDE'), (None, 'COMMA'), (None, 'GT'), (None, 'COLON')])]} +_lexstateignore = {'INITIAL': ' \t\f'} +_lexstateerrorf = {'INITIAL': 't_error'} diff --git a/solve/ply-2.2/example/calc/calc.py b/solve/ply-2.2/example/calc/calc.py new file mode 100644 index 0000000..5bf5d5d --- /dev/null +++ b/solve/ply-2.2/example/calc/calc.py @@ -0,0 +1,105 @@ +# ----------------------------------------------------------------------------- +# calc.py +# +# A simple calculator with variables. This is from O'Reilly's +# "Lex and Yacc", p. 63. +# ----------------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + +tokens = ( + 'NAME','NUMBER', + ) + +literals = ['=','+','-','*','/', '(',')'] + +# Tokens + +t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' + +def t_NUMBER(t): + r'\d+' + try: + t.value = int(t.value) + except ValueError: + print "Integer value too large", t.value + t.value = 0 + return t + +t_ignore = " \t" + +def t_newline(t): + r'\n+' + t.lexer.lineno += t.value.count("\n") + +def t_error(t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + +# Build the lexer +import ply.lex as lex +lex.lex() + +# Parsing rules + +precedence = ( + ('left','+','-'), + ('left','*','/'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(p): + 'statement : NAME "=" expression' + names[p[1]] = p[3] + +def p_statement_expr(p): + 'statement : expression' + print p[1] + +def p_expression_binop(p): + '''expression : expression '+' expression + | expression '-' expression + | expression '*' expression + | expression '/' expression''' + if p[2] == '+' : p[0] = p[1] + p[3] + elif p[2] == '-': p[0] = p[1] - p[3] + elif p[2] == '*': p[0] = p[1] * p[3] + elif p[2] == '/': p[0] = p[1] / p[3] + +def p_expression_uminus(p): + "expression : '-' expression %prec UMINUS" + p[0] = -p[2] + +def p_expression_group(p): + "expression : '(' expression ')'" + p[0] = p[2] + +def p_expression_number(p): + "expression : NUMBER" + p[0] = p[1] + +def p_expression_name(p): + "expression : NAME" + try: + p[0] = names[p[1]] + except LookupError: + print "Undefined name '%s'" % p[1] + p[0] = 0 + +def p_error(p): + print "Syntax error at '%s'" % p.value + +import ply.yacc as yacc +yacc.yacc() + +while 1: + try: + s = raw_input('calc > ') + except EOFError: + break + if not s: continue + yacc.parse(s) diff --git a/solve/ply-2.2/example/classcalc/calc.py b/solve/ply-2.2/example/classcalc/calc.py new file mode 100755 index 0000000..7ec09a6 --- /dev/null +++ b/solve/ply-2.2/example/classcalc/calc.py @@ -0,0 +1,152 @@ +#!/usr/bin/env python + +# ----------------------------------------------------------------------------- +# calc.py +# +# A simple calculator with variables. This is from O'Reilly's +# "Lex and Yacc", p. 63. +# +# Class-based example contributed to PLY by David McNab +# ----------------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + +import readline +import ply.lex as lex +import ply.yacc as yacc +import os + +class Parser: + """ + Base class for a lexer/parser that has the rules defined as methods + """ + tokens = () + precedence = () + + def __init__(self, **kw): + self.debug = kw.get('debug', 0) + self.names = { } + try: + modname = os.path.split(os.path.splitext(__file__)[0])[1] + "_" + self.__class__.__name__ + except: + modname = "parser"+"_"+self.__class__.__name__ + self.debugfile = modname + ".dbg" + self.tabmodule = modname + "_" + "parsetab" + #print self.debugfile, self.tabmodule + + # Build the lexer and parser + lex.lex(module=self, debug=self.debug) + yacc.yacc(module=self, + debug=self.debug, + debugfile=self.debugfile, + tabmodule=self.tabmodule) + + def run(self): + while 1: + try: + s = raw_input('calc > ') + except EOFError: + break + if not s: continue + yacc.parse(s) + + +class Calc(Parser): + + tokens = ( + 'NAME','NUMBER', + 'PLUS','MINUS','EXP', 'TIMES','DIVIDE','EQUALS', + 'LPAREN','RPAREN', + ) + + # Tokens + + t_PLUS = r'\+' + t_MINUS = r'-' + t_EXP = r'\*\*' + t_TIMES = r'\*' + t_DIVIDE = r'/' + t_EQUALS = r'=' + t_LPAREN = r'\(' + t_RPAREN = r'\)' + t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' + + def t_NUMBER(self, t): + r'\d+' + try: + t.value = int(t.value) + except ValueError: + print "Integer value too large", t.value + t.value = 0 + #print "parsed number %s" % repr(t.value) + return t + + t_ignore = " \t" + + def t_newline(self, t): + r'\n+' + t.lexer.lineno += t.value.count("\n") + + def t_error(self, t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + + # Parsing rules + + precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('left', 'EXP'), + ('right','UMINUS'), + ) + + def p_statement_assign(self, p): + 'statement : NAME EQUALS expression' + self.names[p[1]] = p[3] + + def p_statement_expr(self, p): + 'statement : expression' + print p[1] + + def p_expression_binop(self, p): + """ + expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression + | expression EXP expression + """ + #print [repr(p[i]) for i in range(0,4)] + if p[2] == '+' : p[0] = p[1] + p[3] + elif p[2] == '-': p[0] = p[1] - p[3] + elif p[2] == '*': p[0] = p[1] * p[3] + elif p[2] == '/': p[0] = p[1] / p[3] + elif p[2] == '**': p[0] = p[1] ** p[3] + + def p_expression_uminus(self, p): + 'expression : MINUS expression %prec UMINUS' + p[0] = -p[2] + + def p_expression_group(self, p): + 'expression : LPAREN expression RPAREN' + p[0] = p[2] + + def p_expression_number(self, p): + 'expression : NUMBER' + p[0] = p[1] + + def p_expression_name(self, p): + 'expression : NAME' + try: + p[0] = self.names[p[1]] + except LookupError: + print "Undefined name '%s'" % p[1] + p[0] = 0 + + def p_error(self, p): + print "Syntax error at '%s'" % p.value + +if __name__ == '__main__': + calc = Calc() + calc.run() diff --git a/solve/ply-2.2/example/cleanup.sh b/solve/ply-2.2/example/cleanup.sh new file mode 100755 index 0000000..3e115f4 --- /dev/null +++ b/solve/ply-2.2/example/cleanup.sh @@ -0,0 +1,2 @@ +#!/bin/sh +rm -f */*.pyc */parsetab.py */parser.out */*~ */*.class diff --git a/solve/ply-2.2/example/hedit/hedit.py b/solve/ply-2.2/example/hedit/hedit.py new file mode 100644 index 0000000..a3c58c7 --- /dev/null +++ b/solve/ply-2.2/example/hedit/hedit.py @@ -0,0 +1,48 @@ +# ----------------------------------------------------------------------------- +# hedit.py +# +# Paring of Fortran H Edit descriptions (Contributed by Pearu Peterson) +# +# These tokens can't be easily tokenized because they are of the following +# form: +# +# nHc1...cn +# +# where n is a positive integer and c1 ... cn are characters. +# +# This example shows how to modify the state of the lexer to parse +# such tokens +# ----------------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + + +tokens = ( + 'H_EDIT_DESCRIPTOR', + ) + +# Tokens +t_ignore = " \t\n" + +def t_H_EDIT_DESCRIPTOR(t): + r"\d+H.*" # This grabs all of the remaining text + i = t.value.index('H') + n = eval(t.value[:i]) + + # Adjust the tokenizing position + t.lexer.lexpos -= len(t.value) - (i+1+n) + + t.value = t.value[i+1:i+1+n] + return t + +def t_error(t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + +# Build the lexer +import ply.lex as lex +lex.lex() +lex.runmain() + + diff --git a/solve/ply-2.2/example/newclasscalc/calc.py b/solve/ply-2.2/example/newclasscalc/calc.py new file mode 100755 index 0000000..b021b6b --- /dev/null +++ b/solve/ply-2.2/example/newclasscalc/calc.py @@ -0,0 +1,155 @@ +#!/usr/bin/env python + +# ----------------------------------------------------------------------------- +# calc.py +# +# A simple calculator with variables. This is from O'Reilly's +# "Lex and Yacc", p. 63. +# +# Class-based example contributed to PLY by David McNab. +# +# Modified to use new-style classes. Test case. +# ----------------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + +import readline +import ply.lex as lex +import ply.yacc as yacc +import os + +class Parser(object): + """ + Base class for a lexer/parser that has the rules defined as methods + """ + tokens = () + precedence = () + + + def __init__(self, **kw): + self.debug = kw.get('debug', 0) + self.names = { } + try: + modname = os.path.split(os.path.splitext(__file__)[0])[1] + "_" + self.__class__.__name__ + except: + modname = "parser"+"_"+self.__class__.__name__ + self.debugfile = modname + ".dbg" + self.tabmodule = modname + "_" + "parsetab" + #print self.debugfile, self.tabmodule + + # Build the lexer and parser + lex.lex(module=self, debug=self.debug) + yacc.yacc(module=self, + debug=self.debug, + debugfile=self.debugfile, + tabmodule=self.tabmodule) + + def run(self): + while 1: + try: + s = raw_input('calc > ') + except EOFError: + break + if not s: continue + yacc.parse(s) + + +class Calc(Parser): + + tokens = ( + 'NAME','NUMBER', + 'PLUS','MINUS','EXP', 'TIMES','DIVIDE','EQUALS', + 'LPAREN','RPAREN', + ) + + # Tokens + + t_PLUS = r'\+' + t_MINUS = r'-' + t_EXP = r'\*\*' + t_TIMES = r'\*' + t_DIVIDE = r'/' + t_EQUALS = r'=' + t_LPAREN = r'\(' + t_RPAREN = r'\)' + t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' + + def t_NUMBER(self, t): + r'\d+' + try: + t.value = int(t.value) + except ValueError: + print "Integer value too large", t.value + t.value = 0 + #print "parsed number %s" % repr(t.value) + return t + + t_ignore = " \t" + + def t_newline(self, t): + r'\n+' + t.lexer.lineno += t.value.count("\n") + + def t_error(self, t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + + # Parsing rules + + precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('left', 'EXP'), + ('right','UMINUS'), + ) + + def p_statement_assign(self, p): + 'statement : NAME EQUALS expression' + self.names[p[1]] = p[3] + + def p_statement_expr(self, p): + 'statement : expression' + print p[1] + + def p_expression_binop(self, p): + """ + expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression + | expression EXP expression + """ + #print [repr(p[i]) for i in range(0,4)] + if p[2] == '+' : p[0] = p[1] + p[3] + elif p[2] == '-': p[0] = p[1] - p[3] + elif p[2] == '*': p[0] = p[1] * p[3] + elif p[2] == '/': p[0] = p[1] / p[3] + elif p[2] == '**': p[0] = p[1] ** p[3] + + def p_expression_uminus(self, p): + 'expression : MINUS expression %prec UMINUS' + p[0] = -p[2] + + def p_expression_group(self, p): + 'expression : LPAREN expression RPAREN' + p[0] = p[2] + + def p_expression_number(self, p): + 'expression : NUMBER' + p[0] = p[1] + + def p_expression_name(self, p): + 'expression : NAME' + try: + p[0] = self.names[p[1]] + except LookupError: + print "Undefined name '%s'" % p[1] + p[0] = 0 + + def p_error(self, p): + print "Syntax error at '%s'" % p.value + +if __name__ == '__main__': + calc = Calc() + calc.run() diff --git a/solve/ply-2.2/example/optcalc/README b/solve/ply-2.2/example/optcalc/README new file mode 100644 index 0000000..6d196f0 --- /dev/null +++ b/solve/ply-2.2/example/optcalc/README @@ -0,0 +1,9 @@ +An example showing how to use Python optimized mode. +To run: + + - First run 'python calc.py' + + - Then run 'python -OO calc.py' + +If working corretly, the second version should run the +same way. diff --git a/solve/ply-2.2/example/optcalc/calc.py b/solve/ply-2.2/example/optcalc/calc.py new file mode 100644 index 0000000..325f67c --- /dev/null +++ b/solve/ply-2.2/example/optcalc/calc.py @@ -0,0 +1,113 @@ +# ----------------------------------------------------------------------------- +# calc.py +# +# A simple calculator with variables. This is from O'Reilly's +# "Lex and Yacc", p. 63. +# ----------------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + +tokens = ( + 'NAME','NUMBER', + 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', + 'LPAREN','RPAREN', + ) + +# Tokens + +t_PLUS = r'\+' +t_MINUS = r'-' +t_TIMES = r'\*' +t_DIVIDE = r'/' +t_EQUALS = r'=' +t_LPAREN = r'\(' +t_RPAREN = r'\)' +t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' + +def t_NUMBER(t): + r'\d+' + try: + t.value = int(t.value) + except ValueError: + print "Integer value too large", t.value + t.value = 0 + return t + +t_ignore = " \t" + +def t_newline(t): + r'\n+' + t.lexer.lineno += t.value.count("\n") + +def t_error(t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + +# Build the lexer +import ply.lex as lex +lex.lex(optimize=1) + +# Parsing rules + +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[2] == '/': t[0] = t[1] / t[3] + elif t[2] == '<': t[0] = t[1] < t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +import ply.yacc as yacc +yacc.yacc(optimize=1) + +while 1: + try: + s = raw_input('calc > ') + except EOFError: + break + yacc.parse(s) + diff --git a/solve/ply-2.2/example/unicalc/calc.py b/solve/ply-2.2/example/unicalc/calc.py new file mode 100644 index 0000000..7e60433 --- /dev/null +++ b/solve/ply-2.2/example/unicalc/calc.py @@ -0,0 +1,114 @@ +# ----------------------------------------------------------------------------- +# calc.py +# +# A simple calculator with variables. This is from O'Reilly's +# "Lex and Yacc", p. 63. +# +# This example uses unicode strings for tokens, docstrings, and input. +# ----------------------------------------------------------------------------- + +import sys +sys.path.insert(0,"../..") + +tokens = ( + 'NAME','NUMBER', + 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', + 'LPAREN','RPAREN', + ) + +# Tokens + +t_PLUS = ur'\+' +t_MINUS = ur'-' +t_TIMES = ur'\*' +t_DIVIDE = ur'/' +t_EQUALS = ur'=' +t_LPAREN = ur'\(' +t_RPAREN = ur'\)' +t_NAME = ur'[a-zA-Z_][a-zA-Z0-9_]*' + +def t_NUMBER(t): + ur'\d+' + try: + t.value = int(t.value) + except ValueError: + print "Integer value too large", t.value + t.value = 0 + return t + +t_ignore = u" \t" + +def t_newline(t): + ur'\n+' + t.lexer.lineno += t.value.count("\n") + +def t_error(t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + +# Build the lexer +import ply.lex as lex +lex.lex() + +# Parsing rules + +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(p): + 'statement : NAME EQUALS expression' + names[p[1]] = p[3] + +def p_statement_expr(p): + 'statement : expression' + print p[1] + +def p_expression_binop(p): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if p[2] == u'+' : p[0] = p[1] + p[3] + elif p[2] == u'-': p[0] = p[1] - p[3] + elif p[2] == u'*': p[0] = p[1] * p[3] + elif p[2] == u'/': p[0] = p[1] / p[3] + +def p_expression_uminus(p): + 'expression : MINUS expression %prec UMINUS' + p[0] = -p[2] + +def p_expression_group(p): + 'expression : LPAREN expression RPAREN' + p[0] = p[2] + +def p_expression_number(p): + 'expression : NUMBER' + p[0] = p[1] + +def p_expression_name(p): + 'expression : NAME' + try: + p[0] = names[p[1]] + except LookupError: + print "Undefined name '%s'" % p[1] + p[0] = 0 + +def p_error(p): + print "Syntax error at '%s'" % p.value + +import ply.yacc as yacc +yacc.yacc() + +while 1: + try: + s = raw_input('calc > ') + except EOFError: + break + if not s: continue + yacc.parse(unicode(s)) diff --git a/solve/ply-2.2/example/yply/README b/solve/ply-2.2/example/yply/README new file mode 100644 index 0000000..bfadf36 --- /dev/null +++ b/solve/ply-2.2/example/yply/README @@ -0,0 +1,41 @@ +yply.py + +This example implements a program yply.py that converts a UNIX-yacc +specification file into a PLY-compatible program. To use, simply +run it like this: + + % python yply.py [-nocode] inputfile.y >myparser.py + +The output of this program is Python code. In the output, +any C code in the original file is included, but is commented out. +If you use the -nocode option, then all of the C code in the +original file is just discarded. + +To use the resulting grammer with PLY, you'll need to edit the +myparser.py file. Within this file, some stub code is included that +can be used to test the construction of the parsing tables. However, +you'll need to do more editing to make a workable parser. + +Disclaimer: This just an example I threw together in an afternoon. +It might have some bugs. However, it worked when I tried it on +a yacc-specified C++ parser containing 442 rules and 855 parsing +states. + +Comments: + +1. This example does not parse specification files meant for lex/flex. + You'll need to specify the tokenizer on your own. + +2. This example shows a number of interesting PLY features including + + - Parsing of literal text delimited by nested parentheses + - Some interaction between the parser and the lexer. + - Use of literals in the grammar specification + - One pass compilation. The program just emits the result, + there is no intermediate parse tree. + +3. This program could probably be cleaned up and enhanced a lot. + It would be great if someone wanted to work on this (hint). + +-Dave + diff --git a/solve/ply-2.2/example/yply/ylex.py b/solve/ply-2.2/example/yply/ylex.py new file mode 100644 index 0000000..67d2354 --- /dev/null +++ b/solve/ply-2.2/example/yply/ylex.py @@ -0,0 +1,112 @@ +# lexer for yacc-grammars +# +# Author: David Beazley (dave@dabeaz.com) +# Date : October 2, 2006 + +import sys +sys.path.append("../..") + +from ply import * + +tokens = ( + 'LITERAL','SECTION','TOKEN','LEFT','RIGHT','PREC','START','TYPE','NONASSOC','UNION','CODE', + 'ID','QLITERAL','NUMBER', +) + +states = (('code','exclusive'),) + +literals = [ ';', ',', '<', '>', '|',':' ] +t_ignore = ' \t' + +t_TOKEN = r'%token' +t_LEFT = r'%left' +t_RIGHT = r'%right' +t_NONASSOC = r'%nonassoc' +t_PREC = r'%prec' +t_START = r'%start' +t_TYPE = r'%type' +t_UNION = r'%union' +t_ID = r'[a-zA-Z_][a-zA-Z_0-9]*' +t_QLITERAL = r'''(?P['"]).*?(?P=quote)''' +t_NUMBER = r'\d+' + +def t_SECTION(t): + r'%%' + if getattr(t.lexer,"lastsection",0): + t.value = t.lexer.lexdata[t.lexpos+2:] + t.lexer.lexpos = len(t.lexer.lexdata) + else: + t.lexer.lastsection = 0 + return t + +# Comments +def t_ccomment(t): + r'/\*(.|\n)*?\*/' + t.lineno += t.value.count('\n') + +t_ignore_cppcomment = r'//.*' + +def t_LITERAL(t): + r'%\{(.|\n)*?%\}' + t.lexer.lineno += t.value.count("\n") + return t + +def t_NEWLINE(t): + r'\n' + t.lexer.lineno += 1 + +def t_code(t): + r'\{' + t.lexer.codestart = t.lexpos + t.lexer.level = 1 + t.lexer.begin('code') + +def t_code_ignore_string(t): + r'\"([^\\\n]|(\\.))*?\"' + +def t_code_ignore_char(t): + r'\'([^\\\n]|(\\.))*?\'' + +def t_code_ignore_comment(t): + r'/\*(.|\n)*?\*/' + +def t_code_ignore_cppcom(t): + r'//.*' + +def t_code_lbrace(t): + r'\{' + t.lexer.level += 1 + +def t_code_rbrace(t): + r'\}' + t.lexer.level -= 1 + if t.lexer.level == 0: + t.type = 'CODE' + t.value = t.lexer.lexdata[t.lexer.codestart:t.lexpos+1] + t.lexer.begin('INITIAL') + t.lexer.lineno += t.value.count('\n') + return t + +t_code_ignore_nonspace = r'[^\s\}\'\"\{]+' +t_code_ignore_whitespace = r'\s+' +t_code_ignore = "" + +def t_code_error(t): + raise RuntimeError + +def t_error(t): + print "%d: Illegal character '%s'" % (t.lineno, t.value[0]) + print t.value + t.lexer.skip(1) + +lex.lex() + +if __name__ == '__main__': + lex.runmain() + + + + + + + diff --git a/solve/ply-2.2/example/yply/yparse.py b/solve/ply-2.2/example/yply/yparse.py new file mode 100644 index 0000000..ab5b884 --- /dev/null +++ b/solve/ply-2.2/example/yply/yparse.py @@ -0,0 +1,217 @@ +# parser for Unix yacc-based grammars +# +# Author: David Beazley (dave@dabeaz.com) +# Date : October 2, 2006 + +import ylex +tokens = ylex.tokens + +from ply import * + +tokenlist = [] +preclist = [] + +emit_code = 1 + +def p_yacc(p): + '''yacc : defsection rulesection''' + +def p_defsection(p): + '''defsection : definitions SECTION + | SECTION''' + p.lexer.lastsection = 1 + print "tokens = ", repr(tokenlist) + print + print "precedence = ", repr(preclist) + print + print "# -------------- RULES ----------------" + print + +def p_rulesection(p): + '''rulesection : rules SECTION''' + + print "# -------------- RULES END ----------------" + print_code(p[2],0) + +def p_definitions(p): + '''definitions : definitions definition + | definition''' + +def p_definition_literal(p): + '''definition : LITERAL''' + print_code(p[1],0) + +def p_definition_start(p): + '''definition : START ID''' + print "start = '%s'" % p[2] + +def p_definition_token(p): + '''definition : toktype opttype idlist optsemi ''' + for i in p[3]: + if i[0] not in "'\"": + tokenlist.append(i) + if p[1] == '%left': + preclist.append(('left',) + tuple(p[3])) + elif p[1] == '%right': + preclist.append(('right',) + tuple(p[3])) + elif p[1] == '%nonassoc': + preclist.append(('nonassoc',)+ tuple(p[3])) + +def p_toktype(p): + '''toktype : TOKEN + | LEFT + | RIGHT + | NONASSOC''' + p[0] = p[1] + +def p_opttype(p): + '''opttype : '<' ID '>' + | empty''' + +def p_idlist(p): + '''idlist : idlist optcomma tokenid + | tokenid''' + if len(p) == 2: + p[0] = [p[1]] + else: + p[0] = p[1] + p[1].append(p[3]) + +def p_tokenid(p): + '''tokenid : ID + | ID NUMBER + | QLITERAL + | QLITERAL NUMBER''' + p[0] = p[1] + +def p_optsemi(p): + '''optsemi : ';' + | empty''' + +def p_optcomma(p): + '''optcomma : ',' + | empty''' + +def p_definition_type(p): + '''definition : TYPE '<' ID '>' namelist optsemi''' + # type declarations are ignored + +def p_namelist(p): + '''namelist : namelist optcomma ID + | ID''' + +def p_definition_union(p): + '''definition : UNION CODE optsemi''' + # Union declarations are ignored + +def p_rules(p): + '''rules : rules rule + | rule''' + if len(p) == 2: + rule = p[1] + else: + rule = p[2] + + # Print out a Python equivalent of this rule + + embedded = [ ] # Embedded actions (a mess) + embed_count = 0 + + rulename = rule[0] + rulecount = 1 + for r in rule[1]: + # r contains one of the rule possibilities + print "def p_%s_%d(p):" % (rulename,rulecount) + prod = [] + prodcode = "" + for i in range(len(r)): + item = r[i] + if item[0] == '{': # A code block + if i == len(r) - 1: + prodcode = item + break + else: + # an embedded action + embed_name = "_embed%d_%s" % (embed_count,rulename) + prod.append(embed_name) + embedded.append((embed_name,item)) + embed_count += 1 + else: + prod.append(item) + print " '''%s : %s'''" % (rulename, " ".join(prod)) + # Emit code + print_code(prodcode,4) + print + rulecount += 1 + + for e,code in embedded: + print "def p_%s(p):" % e + print " '''%s : '''" % e + print_code(code,4) + print + +def p_rule(p): + '''rule : ID ':' rulelist ';' ''' + p[0] = (p[1],[p[3]]) + +def p_rule2(p): + '''rule : ID ':' rulelist morerules ';' ''' + p[4].insert(0,p[3]) + p[0] = (p[1],p[4]) + +def p_rule_empty(p): + '''rule : ID ':' ';' ''' + p[0] = (p[1],[[]]) + +def p_rule_empty2(p): + '''rule : ID ':' morerules ';' ''' + + p[3].insert(0,[]) + p[0] = (p[1],p[3]) + +def p_morerules(p): + '''morerules : morerules '|' rulelist + | '|' rulelist + | '|' ''' + + if len(p) == 2: + p[0] = [[]] + elif len(p) == 3: + p[0] = [p[2]] + else: + p[0] = p[1] + p[0].append(p[3]) + +# print "morerules", len(p), p[0] + +def p_rulelist(p): + '''rulelist : rulelist ruleitem + | ruleitem''' + + if len(p) == 2: + p[0] = [p[1]] + else: + p[0] = p[1] + p[1].append(p[2]) + +def p_ruleitem(p): + '''ruleitem : ID + | QLITERAL + | CODE + | PREC''' + p[0] = p[1] + +def p_empty(p): + '''empty : ''' + +def p_error(p): + pass + +yacc.yacc(debug=0) + +def print_code(code,indent): + if not emit_code: return + codelines = code.splitlines() + for c in codelines: + print "%s# %s" % (" "*indent,c) + diff --git a/solve/ply-2.2/example/yply/yply.py b/solve/ply-2.2/example/yply/yply.py new file mode 100755 index 0000000..a439817 --- /dev/null +++ b/solve/ply-2.2/example/yply/yply.py @@ -0,0 +1,53 @@ +#!/usr/local/bin/python +# yply.py +# +# Author: David Beazley (dave@dabeaz.com) +# Date : October 2, 2006 +# +# Converts a UNIX-yacc specification file into a PLY-compatible +# specification. To use, simply do this: +# +# % python yply.py [-nocode] inputfile.y >myparser.py +# +# The output of this program is Python code. In the output, +# any C code in the original file is included, but is commented. +# If you use the -nocode option, then all of the C code in the +# original file is discarded. +# +# Disclaimer: This just an example I threw together in an afternoon. +# It might have some bugs. However, it worked when I tried it on +# a yacc-specified C++ parser containing 442 rules and 855 parsing +# states. +# + +import sys +sys.path.insert(0,"../..") + +import ylex +import yparse + +from ply import * + +if len(sys.argv) == 1: + print "usage : yply.py [-nocode] inputfile" + raise SystemExit + +if len(sys.argv) == 3: + if sys.argv[1] == '-nocode': + yparse.emit_code = 0 + else: + print "Unknown option '%s'" % sys.argv[1] + raise SystemExit + filename = sys.argv[2] +else: + filename = sys.argv[1] + +yacc.parse(open(filename).read()) + +print """ +if __name__ == '__main__': + from ply import * + yacc.yacc() +""" + + diff --git a/solve/ply-2.2/ply/__init__.py b/solve/ply-2.2/ply/__init__.py new file mode 100644 index 0000000..853a985 --- /dev/null +++ b/solve/ply-2.2/ply/__init__.py @@ -0,0 +1,4 @@ +# PLY package +# Author: David Beazley (dave@dabeaz.com) + +__all__ = ['lex','yacc'] diff --git a/solve/ply-2.2/ply/__init__.pyc b/solve/ply-2.2/ply/__init__.pyc new file mode 100644 index 0000000..99d3089 Binary files /dev/null and b/solve/ply-2.2/ply/__init__.pyc differ diff --git a/solve/ply-2.2/ply/lex.py b/solve/ply-2.2/ply/lex.py new file mode 100644 index 0000000..c149366 --- /dev/null +++ b/solve/ply-2.2/ply/lex.py @@ -0,0 +1,866 @@ +#----------------------------------------------------------------------------- +# ply: lex.py +# +# Author: David M. Beazley (dave@dabeaz.com) +# +# Copyright (C) 2001-2006, David M. Beazley +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# See the file COPYING for a complete copy of the LGPL. +#----------------------------------------------------------------------------- + +__version__ = "2.2" + +import re, sys, types + +# Regular expression used to match valid token names +_is_identifier = re.compile(r'^[a-zA-Z0-9_]+$') + +# Available instance types. This is used when lexers are defined by a class. +# It's a little funky because I want to preserve backwards compatibility +# with Python 2.0 where types.ObjectType is undefined. + +try: + _INSTANCETYPE = (types.InstanceType, types.ObjectType) +except AttributeError: + _INSTANCETYPE = types.InstanceType + class object: pass # Note: needed if no new-style classes present + +# Exception thrown when invalid token encountered and no default error +# handler is defined. +class LexError(Exception): + def __init__(self,message,s): + self.args = (message,) + self.text = s + +# Token class +class LexToken(object): + def __str__(self): + return "LexToken(%s,%r,%d,%d)" % (self.type,self.value,self.lineno,self.lexpos) + def __repr__(self): + return str(self) + def skip(self,n): + self.lexer.skip(n) + +# ----------------------------------------------------------------------------- +# Lexer class +# +# This class encapsulates all of the methods and data associated with a lexer. +# +# input() - Store a new string in the lexer +# token() - Get the next token +# ----------------------------------------------------------------------------- + +class Lexer: + def __init__(self): + self.lexre = None # Master regular expression. This is a list of + # tuples (re,findex) where re is a compiled + # regular expression and findex is a list + # mapping regex group numbers to rules + self.lexretext = None # Current regular expression strings + self.lexstatere = {} # Dictionary mapping lexer states to master regexs + self.lexstateretext = {} # Dictionary mapping lexer states to regex strings + self.lexstate = "INITIAL" # Current lexer state + self.lexstatestack = [] # Stack of lexer states + self.lexstateinfo = None # State information + self.lexstateignore = {} # Dictionary of ignored characters for each state + self.lexstateerrorf = {} # Dictionary of error functions for each state + self.lexreflags = 0 # Optional re compile flags + self.lexdata = None # Actual input data (as a string) + self.lexpos = 0 # Current position in input text + self.lexlen = 0 # Length of the input text + self.lexerrorf = None # Error rule (if any) + self.lextokens = None # List of valid tokens + self.lexignore = "" # Ignored characters + self.lexliterals = "" # Literal characters that can be passed through + self.lexmodule = None # Module + self.lineno = 1 # Current line number + self.lexdebug = 0 # Debugging mode + self.lexoptimize = 0 # Optimized mode + + def clone(self,object=None): + c = Lexer() + c.lexstatere = self.lexstatere + c.lexstateinfo = self.lexstateinfo + c.lexstateretext = self.lexstateretext + c.lexstate = self.lexstate + c.lexstatestack = self.lexstatestack + c.lexstateignore = self.lexstateignore + c.lexstateerrorf = self.lexstateerrorf + c.lexreflags = self.lexreflags + c.lexdata = self.lexdata + c.lexpos = self.lexpos + c.lexlen = self.lexlen + c.lextokens = self.lextokens + c.lexdebug = self.lexdebug + c.lineno = self.lineno + c.lexoptimize = self.lexoptimize + c.lexliterals = self.lexliterals + c.lexmodule = self.lexmodule + + # If the object parameter has been supplied, it means we are attaching the + # lexer to a new object. In this case, we have to rebind all methods in + # the lexstatere and lexstateerrorf tables. + + if object: + newtab = { } + for key, ritem in self.lexstatere.items(): + newre = [] + for cre, findex in ritem: + newfindex = [] + for f in findex: + if not f or not f[0]: + newfindex.append(f) + continue + newfindex.append((getattr(object,f[0].__name__),f[1])) + newre.append((cre,newfindex)) + newtab[key] = newre + c.lexstatere = newtab + c.lexstateerrorf = { } + for key, ef in self.lexstateerrorf.items(): + c.lexstateerrorf[key] = getattr(object,ef.__name__) + c.lexmodule = object + + # Set up other attributes + c.begin(c.lexstate) + return c + + # ------------------------------------------------------------ + # writetab() - Write lexer information to a table file + # ------------------------------------------------------------ + def writetab(self,tabfile): + tf = open(tabfile+".py","w") + tf.write("# %s.py. This file automatically created by PLY (version %s). Don't edit!\n" % (tabfile,__version__)) + tf.write("_lextokens = %s\n" % repr(self.lextokens)) + tf.write("_lexreflags = %s\n" % repr(self.lexreflags)) + tf.write("_lexliterals = %s\n" % repr(self.lexliterals)) + tf.write("_lexstateinfo = %s\n" % repr(self.lexstateinfo)) + + tabre = { } + for key, lre in self.lexstatere.items(): + titem = [] + for i in range(len(lre)): + titem.append((self.lexstateretext[key][i],_funcs_to_names(lre[i][1]))) + tabre[key] = titem + + tf.write("_lexstatere = %s\n" % repr(tabre)) + tf.write("_lexstateignore = %s\n" % repr(self.lexstateignore)) + + taberr = { } + for key, ef in self.lexstateerrorf.items(): + if ef: + taberr[key] = ef.__name__ + else: + taberr[key] = None + tf.write("_lexstateerrorf = %s\n" % repr(taberr)) + tf.close() + + # ------------------------------------------------------------ + # readtab() - Read lexer information from a tab file + # ------------------------------------------------------------ + def readtab(self,tabfile,fdict): + exec "import %s as lextab" % tabfile + self.lextokens = lextab._lextokens + self.lexreflags = lextab._lexreflags + self.lexliterals = lextab._lexliterals + self.lexstateinfo = lextab._lexstateinfo + self.lexstateignore = lextab._lexstateignore + self.lexstatere = { } + self.lexstateretext = { } + for key,lre in lextab._lexstatere.items(): + titem = [] + txtitem = [] + for i in range(len(lre)): + titem.append((re.compile(lre[i][0],lextab._lexreflags),_names_to_funcs(lre[i][1],fdict))) + txtitem.append(lre[i][0]) + self.lexstatere[key] = titem + self.lexstateretext[key] = txtitem + self.lexstateerrorf = { } + for key,ef in lextab._lexstateerrorf.items(): + self.lexstateerrorf[key] = fdict[ef] + self.begin('INITIAL') + + # ------------------------------------------------------------ + # input() - Push a new string into the lexer + # ------------------------------------------------------------ + def input(self,s): + if not (isinstance(s,types.StringType) or isinstance(s,types.UnicodeType)): + raise ValueError, "Expected a string" + self.lexdata = s + self.lexpos = 0 + self.lexlen = len(s) + + # ------------------------------------------------------------ + # begin() - Changes the lexing state + # ------------------------------------------------------------ + def begin(self,state): + if not self.lexstatere.has_key(state): + raise ValueError, "Undefined state" + self.lexre = self.lexstatere[state] + self.lexretext = self.lexstateretext[state] + self.lexignore = self.lexstateignore.get(state,"") + self.lexerrorf = self.lexstateerrorf.get(state,None) + self.lexstate = state + + # ------------------------------------------------------------ + # push_state() - Changes the lexing state and saves old on stack + # ------------------------------------------------------------ + def push_state(self,state): + self.lexstatestack.append(self.lexstate) + self.begin(state) + + # ------------------------------------------------------------ + # pop_state() - Restores the previous state + # ------------------------------------------------------------ + def pop_state(self): + self.begin(self.lexstatestack.pop()) + + # ------------------------------------------------------------ + # current_state() - Returns the current lexing state + # ------------------------------------------------------------ + def current_state(self): + return self.lexstate + + # ------------------------------------------------------------ + # skip() - Skip ahead n characters + # ------------------------------------------------------------ + def skip(self,n): + self.lexpos += n + + # ------------------------------------------------------------ + # token() - Return the next token from the Lexer + # + # Note: This function has been carefully implemented to be as fast + # as possible. Don't make changes unless you really know what + # you are doing + # ------------------------------------------------------------ + def token(self): + # Make local copies of frequently referenced attributes + lexpos = self.lexpos + lexlen = self.lexlen + lexignore = self.lexignore + lexdata = self.lexdata + + while lexpos < lexlen: + # This code provides some short-circuit code for whitespace, tabs, and other ignored characters + if lexdata[lexpos] in lexignore: + lexpos += 1 + continue + + # Look for a regular expression match + for lexre,lexindexfunc in self.lexre: + m = lexre.match(lexdata,lexpos) + if not m: continue + + # Set last match in lexer so that rules can access it if they want + self.lexmatch = m + + # Create a token for return + tok = LexToken() + tok.value = m.group() + tok.lineno = self.lineno + tok.lexpos = lexpos + tok.lexer = self + + lexpos = m.end() + i = m.lastindex + func,tok.type = lexindexfunc[i] + self.lexpos = lexpos + + if not func: + # If no token type was set, it's an ignored token + if tok.type: return tok + break + + # if func not callable, it means it's an ignored token + if not callable(func): + break + + # If token is processed by a function, call it + newtok = func(tok) + + # Every function must return a token, if nothing, we just move to next token + if not newtok: + lexpos = self.lexpos # This is here in case user has updated lexpos. + break + + # Verify type of the token. If not in the token map, raise an error + if not self.lexoptimize: + if not self.lextokens.has_key(newtok.type): + raise LexError, ("%s:%d: Rule '%s' returned an unknown token type '%s'" % ( + func.func_code.co_filename, func.func_code.co_firstlineno, + func.__name__, newtok.type),lexdata[lexpos:]) + + return newtok + else: + # No match, see if in literals + if lexdata[lexpos] in self.lexliterals: + tok = LexToken() + tok.value = lexdata[lexpos] + tok.lineno = self.lineno + tok.lexer = self + tok.type = tok.value + tok.lexpos = lexpos + self.lexpos = lexpos + 1 + return tok + + # No match. Call t_error() if defined. + if self.lexerrorf: + tok = LexToken() + tok.value = self.lexdata[lexpos:] + tok.lineno = self.lineno + tok.type = "error" + tok.lexer = self + tok.lexpos = lexpos + self.lexpos = lexpos + newtok = self.lexerrorf(tok) + if lexpos == self.lexpos: + # Error method didn't change text position at all. This is an error. + raise LexError, ("Scanning error. Illegal character '%s'" % (lexdata[lexpos]), lexdata[lexpos:]) + lexpos = self.lexpos + if not newtok: continue + return newtok + + self.lexpos = lexpos + raise LexError, ("Illegal character '%s' at index %d" % (lexdata[lexpos],lexpos), lexdata[lexpos:]) + + self.lexpos = lexpos + 1 + if self.lexdata is None: + raise RuntimeError, "No input string given with input()" + return None + +# ----------------------------------------------------------------------------- +# _validate_file() +# +# This checks to see if there are duplicated t_rulename() functions or strings +# in the parser input file. This is done using a simple regular expression +# match on each line in the filename. +# ----------------------------------------------------------------------------- + +def _validate_file(filename): + import os.path + base,ext = os.path.splitext(filename) + if ext != '.py': return 1 # No idea what the file is. Return OK + + try: + f = open(filename) + lines = f.readlines() + f.close() + except IOError: + return 1 # Oh well + + fre = re.compile(r'\s*def\s+(t_[a-zA-Z_0-9]*)\(') + sre = re.compile(r'\s*(t_[a-zA-Z_0-9]*)\s*=') + counthash = { } + linen = 1 + noerror = 1 + for l in lines: + m = fre.match(l) + if not m: + m = sre.match(l) + if m: + name = m.group(1) + prev = counthash.get(name) + if not prev: + counthash[name] = linen + else: + print "%s:%d: Rule %s redefined. Previously defined on line %d" % (filename,linen,name,prev) + noerror = 0 + linen += 1 + return noerror + +# ----------------------------------------------------------------------------- +# _funcs_to_names() +# +# Given a list of regular expression functions, this converts it to a list +# suitable for output to a table file +# ----------------------------------------------------------------------------- + +def _funcs_to_names(funclist): + result = [] + for f in funclist: + if f and f[0]: + result.append((f[0].__name__,f[1])) + else: + result.append(f) + return result + +# ----------------------------------------------------------------------------- +# _names_to_funcs() +# +# Given a list of regular expression function names, this converts it back to +# functions. +# ----------------------------------------------------------------------------- + +def _names_to_funcs(namelist,fdict): + result = [] + for n in namelist: + if n and n[0]: + result.append((fdict[n[0]],n[1])) + else: + result.append(n) + return result + +# ----------------------------------------------------------------------------- +# _form_master_re() +# +# This function takes a list of all of the regex components and attempts to +# form the master regular expression. Given limitations in the Python re +# module, it may be necessary to break the master regex into separate expressions. +# ----------------------------------------------------------------------------- + +def _form_master_re(relist,reflags,ldict): + if not relist: return [] + regex = "|".join(relist) + try: + lexre = re.compile(regex,re.VERBOSE | reflags) + + # Build the index to function map for the matching engine + lexindexfunc = [ None ] * (max(lexre.groupindex.values())+1) + for f,i in lexre.groupindex.items(): + handle = ldict.get(f,None) + if type(handle) in (types.FunctionType, types.MethodType): + lexindexfunc[i] = (handle,handle.__name__[2:]) + elif handle is not None: + # If rule was specified as a string, we build an anonymous + # callback function to carry out the action + if f.find("ignore_") > 0: + lexindexfunc[i] = (None,None) + print "IGNORE", f + else: + lexindexfunc[i] = (None, f[2:]) + + return [(lexre,lexindexfunc)],[regex] + except Exception,e: + m = int(len(relist)/2) + if m == 0: m = 1 + llist, lre = _form_master_re(relist[:m],reflags,ldict) + rlist, rre = _form_master_re(relist[m:],reflags,ldict) + return llist+rlist, lre+rre + +# ----------------------------------------------------------------------------- +# def _statetoken(s,names) +# +# Given a declaration name s of the form "t_" and a dictionary whose keys are +# state names, this function returns a tuple (states,tokenname) where states +# is a tuple of state names and tokenname is the name of the token. For example, +# calling this with s = "t_foo_bar_SPAM" might return (('foo','bar'),'SPAM') +# ----------------------------------------------------------------------------- + +def _statetoken(s,names): + nonstate = 1 + parts = s.split("_") + for i in range(1,len(parts)): + if not names.has_key(parts[i]) and parts[i] != 'ANY': break + if i > 1: + states = tuple(parts[1:i]) + else: + states = ('INITIAL',) + + if 'ANY' in states: + states = tuple(names.keys()) + + tokenname = "_".join(parts[i:]) + return (states,tokenname) + +# ----------------------------------------------------------------------------- +# lex(module) +# +# Build all of the regular expression rules from definitions in the supplied module +# ----------------------------------------------------------------------------- +def lex(module=None,object=None,debug=0,optimize=0,lextab="lextab",reflags=0,nowarn=0): + global lexer + ldict = None + stateinfo = { 'INITIAL' : 'inclusive'} + error = 0 + files = { } + lexobj = Lexer() + lexobj.lexdebug = debug + lexobj.lexoptimize = optimize + global token,input + + if nowarn: warn = 0 + else: warn = 1 + + if object: module = object + + if module: + # User supplied a module object. + if isinstance(module, types.ModuleType): + ldict = module.__dict__ + elif isinstance(module, _INSTANCETYPE): + _items = [(k,getattr(module,k)) for k in dir(module)] + ldict = { } + for (i,v) in _items: + ldict[i] = v + else: + raise ValueError,"Expected a module or instance" + lexobj.lexmodule = module + + else: + # No module given. We might be able to get information from the caller. + try: + raise RuntimeError + except RuntimeError: + e,b,t = sys.exc_info() + f = t.tb_frame + f = f.f_back # Walk out to our calling function + ldict = f.f_globals # Grab its globals dictionary + + if optimize and lextab: + try: + lexobj.readtab(lextab,ldict) + token = lexobj.token + input = lexobj.input + lexer = lexobj + return lexobj + + except ImportError: + pass + + # Get the tokens, states, and literals variables (if any) + if (module and isinstance(module,_INSTANCETYPE)): + tokens = getattr(module,"tokens",None) + states = getattr(module,"states",None) + literals = getattr(module,"literals","") + else: + tokens = ldict.get("tokens",None) + states = ldict.get("states",None) + literals = ldict.get("literals","") + + if not tokens: + raise SyntaxError,"lex: module does not define 'tokens'" + if not (isinstance(tokens,types.ListType) or isinstance(tokens,types.TupleType)): + raise SyntaxError,"lex: tokens must be a list or tuple." + + # Build a dictionary of valid token names + lexobj.lextokens = { } + if not optimize: + for n in tokens: + if not _is_identifier.match(n): + print "lex: Bad token name '%s'" % n + error = 1 + if warn and lexobj.lextokens.has_key(n): + print "lex: Warning. Token '%s' multiply defined." % n + lexobj.lextokens[n] = None + else: + for n in tokens: lexobj.lextokens[n] = None + + if debug: + print "lex: tokens = '%s'" % lexobj.lextokens.keys() + + try: + for c in literals: + if not (isinstance(c,types.StringType) or isinstance(c,types.UnicodeType)) or len(c) > 1: + print "lex: Invalid literal %s. Must be a single character" % repr(c) + error = 1 + continue + + except TypeError: + print "lex: Invalid literals specification. literals must be a sequence of characters." + error = 1 + + lexobj.lexliterals = literals + + # Build statemap + if states: + if not (isinstance(states,types.TupleType) or isinstance(states,types.ListType)): + print "lex: states must be defined as a tuple or list." + error = 1 + else: + for s in states: + if not isinstance(s,types.TupleType) or len(s) != 2: + print "lex: invalid state specifier %s. Must be a tuple (statename,'exclusive|inclusive')" % repr(s) + error = 1 + continue + name, statetype = s + if not isinstance(name,types.StringType): + print "lex: state name %s must be a string" % repr(name) + error = 1 + continue + if not (statetype == 'inclusive' or statetype == 'exclusive'): + print "lex: state type for state %s must be 'inclusive' or 'exclusive'" % name + error = 1 + continue + if stateinfo.has_key(name): + print "lex: state '%s' already defined." % name + error = 1 + continue + stateinfo[name] = statetype + + # Get a list of symbols with the t_ or s_ prefix + tsymbols = [f for f in ldict.keys() if f[:2] == 't_' ] + + # Now build up a list of functions and a list of strings + + funcsym = { } # Symbols defined as functions + strsym = { } # Symbols defined as strings + toknames = { } # Mapping of symbols to token names + + for s in stateinfo.keys(): + funcsym[s] = [] + strsym[s] = [] + + ignore = { } # Ignore strings by state + errorf = { } # Error functions by state + + if len(tsymbols) == 0: + raise SyntaxError,"lex: no rules of the form t_rulename are defined." + + for f in tsymbols: + t = ldict[f] + states, tokname = _statetoken(f,stateinfo) + toknames[f] = tokname + + if callable(t): + for s in states: funcsym[s].append((f,t)) + elif (isinstance(t, types.StringType) or isinstance(t,types.UnicodeType)): + for s in states: strsym[s].append((f,t)) + else: + print "lex: %s not defined as a function or string" % f + error = 1 + + # Sort the functions by line number + for f in funcsym.values(): + f.sort(lambda x,y: cmp(x[1].func_code.co_firstlineno,y[1].func_code.co_firstlineno)) + + # Sort the strings by regular expression length + for s in strsym.values(): + s.sort(lambda x,y: (len(x[1]) < len(y[1])) - (len(x[1]) > len(y[1]))) + + regexs = { } + + # Build the master regular expressions + for state in stateinfo.keys(): + regex_list = [] + + # Add rules defined by functions first + for fname, f in funcsym[state]: + line = f.func_code.co_firstlineno + file = f.func_code.co_filename + files[file] = None + tokname = toknames[fname] + + ismethod = isinstance(f, types.MethodType) + + if not optimize: + nargs = f.func_code.co_argcount + if ismethod: + reqargs = 2 + else: + reqargs = 1 + if nargs > reqargs: + print "%s:%d: Rule '%s' has too many arguments." % (file,line,f.__name__) + error = 1 + continue + + if nargs < reqargs: + print "%s:%d: Rule '%s' requires an argument." % (file,line,f.__name__) + error = 1 + continue + + if tokname == 'ignore': + print "%s:%d: Rule '%s' must be defined as a string." % (file,line,f.__name__) + error = 1 + continue + + if tokname == 'error': + errorf[state] = f + continue + + if f.__doc__: + if not optimize: + try: + c = re.compile("(?P<%s>%s)" % (f.__name__,f.__doc__), re.VERBOSE | reflags) + if c.match(""): + print "%s:%d: Regular expression for rule '%s' matches empty string." % (file,line,f.__name__) + error = 1 + continue + except re.error,e: + print "%s:%d: Invalid regular expression for rule '%s'. %s" % (file,line,f.__name__,e) + if '#' in f.__doc__: + print "%s:%d. Make sure '#' in rule '%s' is escaped with '\\#'." % (file,line, f.__name__) + error = 1 + continue + + if debug: + print "lex: Adding rule %s -> '%s' (state '%s')" % (f.__name__,f.__doc__, state) + + # Okay. The regular expression seemed okay. Let's append it to the master regular + # expression we're building + + regex_list.append("(?P<%s>%s)" % (f.__name__,f.__doc__)) + else: + print "%s:%d: No regular expression defined for rule '%s'" % (file,line,f.__name__) + + # Now add all of the simple rules + for name,r in strsym[state]: + tokname = toknames[name] + + if tokname == 'ignore': + ignore[state] = r + continue + + if not optimize: + if tokname == 'error': + raise SyntaxError,"lex: Rule '%s' must be defined as a function" % name + error = 1 + continue + + if not lexobj.lextokens.has_key(tokname) and tokname.find("ignore_") < 0: + print "lex: Rule '%s' defined for an unspecified token %s." % (name,tokname) + error = 1 + continue + try: + c = re.compile("(?P<%s>%s)" % (name,r),re.VERBOSE | reflags) + if (c.match("")): + print "lex: Regular expression for rule '%s' matches empty string." % name + error = 1 + continue + except re.error,e: + print "lex: Invalid regular expression for rule '%s'. %s" % (name,e) + if '#' in r: + print "lex: Make sure '#' in rule '%s' is escaped with '\\#'." % name + + error = 1 + continue + if debug: + print "lex: Adding rule %s -> '%s' (state '%s')" % (name,r,state) + + regex_list.append("(?P<%s>%s)" % (name,r)) + + if not regex_list: + print "lex: No rules defined for state '%s'" % state + error = 1 + + regexs[state] = regex_list + + + if not optimize: + for f in files.keys(): + if not _validate_file(f): + error = 1 + + if error: + raise SyntaxError,"lex: Unable to build lexer." + + # From this point forward, we're reasonably confident that we can build the lexer. + # No more errors will be generated, but there might be some warning messages. + + # Build the master regular expressions + + for state in regexs.keys(): + lexre, re_text = _form_master_re(regexs[state],reflags,ldict) + lexobj.lexstatere[state] = lexre + lexobj.lexstateretext[state] = re_text + if debug: + for i in range(len(re_text)): + print "lex: state '%s'. regex[%d] = '%s'" % (state, i, re_text[i]) + + # For inclusive states, we need to add the INITIAL state + for state,type in stateinfo.items(): + if state != "INITIAL" and type == 'inclusive': + lexobj.lexstatere[state].extend(lexobj.lexstatere['INITIAL']) + lexobj.lexstateretext[state].extend(lexobj.lexstateretext['INITIAL']) + + lexobj.lexstateinfo = stateinfo + lexobj.lexre = lexobj.lexstatere["INITIAL"] + lexobj.lexretext = lexobj.lexstateretext["INITIAL"] + + # Set up ignore variables + lexobj.lexstateignore = ignore + lexobj.lexignore = lexobj.lexstateignore.get("INITIAL","") + + # Set up error functions + lexobj.lexstateerrorf = errorf + lexobj.lexerrorf = errorf.get("INITIAL",None) + if warn and not lexobj.lexerrorf: + print "lex: Warning. no t_error rule is defined." + + # Check state information for ignore and error rules + for s,stype in stateinfo.items(): + if stype == 'exclusive': + if warn and not errorf.has_key(s): + print "lex: Warning. no error rule is defined for exclusive state '%s'" % s + if warn and not ignore.has_key(s) and lexobj.lexignore: + print "lex: Warning. no ignore rule is defined for exclusive state '%s'" % s + elif stype == 'inclusive': + if not errorf.has_key(s): + errorf[s] = errorf.get("INITIAL",None) + if not ignore.has_key(s): + ignore[s] = ignore.get("INITIAL","") + + + # Create global versions of the token() and input() functions + token = lexobj.token + input = lexobj.input + lexer = lexobj + + # If in optimize mode, we write the lextab + if lextab and optimize: + lexobj.writetab(lextab) + + return lexobj + +# ----------------------------------------------------------------------------- +# runmain() +# +# This runs the lexer as a main program +# ----------------------------------------------------------------------------- + +def runmain(lexer=None,data=None): + if not data: + try: + filename = sys.argv[1] + f = open(filename) + data = f.read() + f.close() + except IndexError: + print "Reading from standard input (type EOF to end):" + data = sys.stdin.read() + + if lexer: + _input = lexer.input + else: + _input = input + _input(data) + if lexer: + _token = lexer.token + else: + _token = token + + while 1: + tok = _token() + if not tok: break + print "(%s,%r,%d,%d)" % (tok.type, tok.value, tok.lineno,tok.lexpos) + + +# ----------------------------------------------------------------------------- +# @TOKEN(regex) +# +# This decorator function can be used to set the regex expression on a function +# when its docstring might need to be set in an alternative way +# ----------------------------------------------------------------------------- + +def TOKEN(r): + def set_doc(f): + f.__doc__ = r + return f + return set_doc + +# Alternative spelling of the TOKEN decorator +Token = TOKEN + diff --git a/solve/ply-2.2/ply/lex.pyc b/solve/ply-2.2/ply/lex.pyc new file mode 100644 index 0000000..19af7ed Binary files /dev/null and b/solve/ply-2.2/ply/lex.pyc differ diff --git a/solve/ply-2.2/ply/yacc.py b/solve/ply-2.2/ply/yacc.py new file mode 100644 index 0000000..caf98af --- /dev/null +++ b/solve/ply-2.2/ply/yacc.py @@ -0,0 +1,2209 @@ +#----------------------------------------------------------------------------- +# ply: yacc.py +# +# Author(s): David M. Beazley (dave@dabeaz.com) +# +# Copyright (C) 2001-2006, David M. Beazley +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# See the file COPYING for a complete copy of the LGPL. +# +# +# This implements an LR parser that is constructed from grammar rules defined +# as Python functions. The grammer is specified by supplying the BNF inside +# Python documentation strings. The inspiration for this technique was borrowed +# from John Aycock's Spark parsing system. PLY might be viewed as cross between +# Spark and the GNU bison utility. +# +# The current implementation is only somewhat object-oriented. The +# LR parser itself is defined in terms of an object (which allows multiple +# parsers to co-exist). However, most of the variables used during table +# construction are defined in terms of global variables. Users shouldn't +# notice unless they are trying to define multiple parsers at the same +# time using threads (in which case they should have their head examined). +# +# This implementation supports both SLR and LALR(1) parsing. LALR(1) +# support was originally implemented by Elias Ioup (ezioup@alumni.uchicago.edu), +# using the algorithm found in Aho, Sethi, and Ullman "Compilers: Principles, +# Techniques, and Tools" (The Dragon Book). LALR(1) has since been replaced +# by the more efficient DeRemer and Pennello algorithm. +# +# :::::::: WARNING ::::::: +# +# Construction of LR parsing tables is fairly complicated and expensive. +# To make this module run fast, a *LOT* of work has been put into +# optimization---often at the expensive of readability and what might +# consider to be good Python "coding style." Modify the code at your +# own risk! +# ---------------------------------------------------------------------------- + +__version__ = "2.2" + +#----------------------------------------------------------------------------- +# === User configurable parameters === +# +# Change these to modify the default behavior of yacc (if you wish) +#----------------------------------------------------------------------------- + +yaccdebug = 1 # Debugging mode. If set, yacc generates a + # a 'parser.out' file in the current directory + +debug_file = 'parser.out' # Default name of the debugging file +tab_module = 'parsetab' # Default name of the table module +default_lr = 'LALR' # Default LR table generation method + +error_count = 3 # Number of symbols that must be shifted to leave recovery mode + +import re, types, sys, cStringIO, md5, os.path + +# Exception raised for yacc-related errors +class YaccError(Exception): pass + +#----------------------------------------------------------------------------- +# === LR Parsing Engine === +# +# The following classes are used for the LR parser itself. These are not +# used during table construction and are independent of the actual LR +# table generation algorithm +#----------------------------------------------------------------------------- + +# This class is used to hold non-terminal grammar symbols during parsing. +# It normally has the following attributes set: +# .type = Grammar symbol type +# .value = Symbol value +# .lineno = Starting line number +# .endlineno = Ending line number (optional, set automatically) +# .lexpos = Starting lex position +# .endlexpos = Ending lex position (optional, set automatically) + +class YaccSymbol: + def __str__(self): return self.type + def __repr__(self): return str(self) + +# This class is a wrapper around the objects actually passed to each +# grammar rule. Index lookup and assignment actually assign the +# .value attribute of the underlying YaccSymbol object. +# The lineno() method returns the line number of a given +# item (or 0 if not defined). The linespan() method returns +# a tuple of (startline,endline) representing the range of lines +# for a symbol. The lexspan() method returns a tuple (lexpos,endlexpos) +# representing the range of positional information for a symbol. + +class YaccProduction: + def __init__(self,s,stack=None): + self.slice = s + self.pbstack = [] + self.stack = stack + + def __getitem__(self,n): + if type(n) == types.IntType: + if n >= 0: return self.slice[n].value + else: return self.stack[n].value + else: + return [s.value for s in self.slice[n.start:n.stop:n.step]] + + def __setitem__(self,n,v): + self.slice[n].value = v + + def __len__(self): + return len(self.slice) + + def lineno(self,n): + return getattr(self.slice[n],"lineno",0) + + def linespan(self,n): + startline = getattr(self.slice[n],"lineno",0) + endline = getattr(self.slice[n],"endlineno",startline) + return startline,endline + + def lexpos(self,n): + return getattr(self.slice[n],"lexpos",0) + + def lexspan(self,n): + startpos = getattr(self.slice[n],"lexpos",0) + endpos = getattr(self.slice[n],"endlexpos",startpos) + return startpos,endpos + + def pushback(self,n): + if n <= 0: + raise ValueError, "Expected a positive value" + if n > (len(self.slice)-1): + raise ValueError, "Can't push %d tokens. Only %d are available." % (n,len(self.slice)-1) + for i in range(0,n): + self.pbstack.append(self.slice[-i-1]) + +# The LR Parsing engine. This is defined as a class so that multiple parsers +# can exist in the same process. A user never instantiates this directly. +# Instead, the global yacc() function should be used to create a suitable Parser +# object. + +class Parser: + def __init__(self,magic=None): + + # This is a hack to keep users from trying to instantiate a Parser + # object directly. + + if magic != "xyzzy": + raise YaccError, "Can't instantiate Parser. Use yacc() instead." + + # Reset internal state + self.productions = None # List of productions + self.errorfunc = None # Error handling function + self.action = { } # LR Action table + self.goto = { } # LR goto table + self.require = { } # Attribute require table + self.method = "Unknown LR" # Table construction method used + + def errok(self): + self.errorcount = 0 + + def restart(self): + del self.statestack[:] + del self.symstack[:] + sym = YaccSymbol() + sym.type = '$end' + self.symstack.append(sym) + self.statestack.append(0) + + def parse(self,input=None,lexer=None,debug=0): + lookahead = None # Current lookahead symbol + lookaheadstack = [ ] # Stack of lookahead symbols + actions = self.action # Local reference to action table + goto = self.goto # Local reference to goto table + prod = self.productions # Local reference to production list + pslice = YaccProduction(None) # Production object passed to grammar rules + pslice.parser = self # Parser object + self.errorcount = 0 # Used during error recovery + + # If no lexer was given, we will try to use the lex module + if not lexer: + import lex + lexer = lex.lexer + + pslice.lexer = lexer + + # If input was supplied, pass to lexer + if input: + lexer.input(input) + + # Tokenize function + get_token = lexer.token + + statestack = [ ] # Stack of parsing states + self.statestack = statestack + symstack = [ ] # Stack of grammar symbols + self.symstack = symstack + + pslice.stack = symstack # Put in the production + errtoken = None # Err token + + # The start state is assumed to be (0,$end) + statestack.append(0) + sym = YaccSymbol() + sym.type = '$end' + symstack.append(sym) + + while 1: + # Get the next symbol on the input. If a lookahead symbol + # is already set, we just use that. Otherwise, we'll pull + # the next token off of the lookaheadstack or from the lexer + if debug > 1: + print 'state', statestack[-1] + if not lookahead: + if not lookaheadstack: + lookahead = get_token() # Get the next token + else: + lookahead = lookaheadstack.pop() + if not lookahead: + lookahead = YaccSymbol() + lookahead.type = '$end' + if debug: + errorlead = ("%s . %s" % (" ".join([xx.type for xx in symstack][1:]), str(lookahead))).lstrip() + + # Check the action table + s = statestack[-1] + ltype = lookahead.type + t = actions.get((s,ltype),None) + + if debug > 1: + print 'action', t + if t is not None: + if t > 0: + # shift a symbol on the stack + if ltype == '$end': + # Error, end of input + sys.stderr.write("yacc: Parse error. EOF\n") + return + statestack.append(t) + if debug > 1: + sys.stderr.write("%-60s shift state %s\n" % (errorlead, t)) + symstack.append(lookahead) + lookahead = None + + # Decrease error count on successful shift + if self.errorcount > 0: + self.errorcount -= 1 + + continue + + if t < 0: + # reduce a symbol on the stack, emit a production + p = prod[-t] + pname = p.name + plen = p.len + + # Get production function + sym = YaccSymbol() + sym.type = pname # Production name + sym.value = None + if debug > 1: + sys.stderr.write("%-60s reduce %d\n" % (errorlead, -t)) + + if plen: + targ = symstack[-plen-1:] + targ[0] = sym + try: + sym.lineno = targ[1].lineno + sym.endlineno = getattr(targ[-1],"endlineno",targ[-1].lineno) + sym.lexpos = targ[1].lexpos + sym.endlexpos = getattr(targ[-1],"endlexpos",targ[-1].lexpos) + except AttributeError: + sym.lineno = 0 + del symstack[-plen:] + del statestack[-plen:] + else: + sym.lineno = 0 + targ = [ sym ] + pslice.slice = targ + pslice.pbstack = [] + # Call the grammar rule with our special slice object + p.func(pslice) + + # If there was a pushback, put that on the stack + if pslice.pbstack: + lookaheadstack.append(lookahead) + for _t in pslice.pbstack: + lookaheadstack.append(_t) + lookahead = None + + symstack.append(sym) + statestack.append(goto[statestack[-1],pname]) + continue + + if t == 0: + n = symstack[-1] + return getattr(n,"value",None) + sys.stderr.write(errorlead, "\n") + + if t == None: + if debug: + sys.stderr.write(errorlead + "\n") + # We have some kind of parsing error here. To handle + # this, we are going to push the current token onto + # the tokenstack and replace it with an 'error' token. + # If there are any synchronization rules, they may + # catch it. + # + # In addition to pushing the error token, we call call + # the user defined p_error() function if this is the + # first syntax error. This function is only called if + # errorcount == 0. + if not self.errorcount: + self.errorcount = error_count + errtoken = lookahead + if errtoken.type == '$end': + errtoken = None # End of file! + if self.errorfunc: + global errok,token,restart + errok = self.errok # Set some special functions available in error recovery + token = get_token + restart = self.restart + tok = self.errorfunc(errtoken) + del errok, token, restart # Delete special functions + + if not self.errorcount: + # User must have done some kind of panic + # mode recovery on their own. The + # returned token is the next lookahead + lookahead = tok + errtoken = None + continue + else: + if errtoken: + if hasattr(errtoken,"lineno"): lineno = lookahead.lineno + else: lineno = 0 + if lineno: + sys.stderr.write("yacc: Syntax error at line %d, token=%s\n" % (lineno, errtoken.type)) + else: + sys.stderr.write("yacc: Syntax error, token=%s" % errtoken.type) + else: + sys.stderr.write("yacc: Parse error in input. EOF\n") + return + + else: + self.errorcount = error_count + + # case 1: the statestack only has 1 entry on it. If we're in this state, the + # entire parse has been rolled back and we're completely hosed. The token is + # discarded and we just keep going. + + if len(statestack) <= 1 and lookahead.type != '$end': + lookahead = None + errtoken = None + # Nuke the pushback stack + del lookaheadstack[:] + continue + + # case 2: the statestack has a couple of entries on it, but we're + # at the end of the file. nuke the top entry and generate an error token + + # Start nuking entries on the stack + if lookahead.type == '$end': + # Whoa. We're really hosed here. Bail out + return + + if lookahead.type != 'error': + sym = symstack[-1] + if sym.type == 'error': + # Hmmm. Error is on top of stack, we'll just nuke input + # symbol and continue + lookahead = None + continue + t = YaccSymbol() + t.type = 'error' + if hasattr(lookahead,"lineno"): + t.lineno = lookahead.lineno + t.value = lookahead + lookaheadstack.append(lookahead) + lookahead = t + else: + symstack.pop() + statestack.pop() + + continue + + # Call an error function here + raise RuntimeError, "yacc: internal parser error!!!\n" + +# ----------------------------------------------------------------------------- +# === Parser Construction === +# +# The following functions and variables are used to implement the yacc() function +# itself. This is pretty hairy stuff involving lots of error checking, +# construction of LR items, kernels, and so forth. Although a lot of +# this work is done using global variables, the resulting Parser object +# is completely self contained--meaning that it is safe to repeatedly +# call yacc() with different grammars in the same application. +# ----------------------------------------------------------------------------- + +# ----------------------------------------------------------------------------- +# validate_file() +# +# This function checks to see if there are duplicated p_rulename() functions +# in the parser module file. Without this function, it is really easy for +# users to make mistakes by cutting and pasting code fragments (and it's a real +# bugger to try and figure out why the resulting parser doesn't work). Therefore, +# we just do a little regular expression pattern matching of def statements +# to try and detect duplicates. +# ----------------------------------------------------------------------------- + +def validate_file(filename): + base,ext = os.path.splitext(filename) + if ext != '.py': return 1 # No idea. Assume it's okay. + + try: + f = open(filename) + lines = f.readlines() + f.close() + except IOError: + return 1 # Oh well + + # Match def p_funcname( + fre = re.compile(r'\s*def\s+(p_[a-zA-Z_0-9]*)\(') + counthash = { } + linen = 1 + noerror = 1 + for l in lines: + m = fre.match(l) + if m: + name = m.group(1) + prev = counthash.get(name) + if not prev: + counthash[name] = linen + else: + sys.stderr.write("%s:%d: Function %s redefined. Previously defined on line %d\n" % (filename,linen,name,prev)) + noerror = 0 + linen += 1 + return noerror + +# This function looks for functions that might be grammar rules, but which don't have the proper p_suffix. +def validate_dict(d): + for n,v in d.items(): + if n[0:2] == 'p_' and type(v) in (types.FunctionType, types.MethodType): continue + if n[0:2] == 't_': continue + + if n[0:2] == 'p_': + sys.stderr.write("yacc: Warning. '%s' not defined as a function\n" % n) + if 1 and isinstance(v,types.FunctionType) and v.func_code.co_argcount == 1: + try: + doc = v.__doc__.split(" ") + if doc[1] == ':': + sys.stderr.write("%s:%d: Warning. Possible grammar rule '%s' defined without p_ prefix.\n" % (v.func_code.co_filename, v.func_code.co_firstlineno,n)) + except StandardError: + pass + +# ----------------------------------------------------------------------------- +# === GRAMMAR FUNCTIONS === +# +# The following global variables and functions are used to store, manipulate, +# and verify the grammar rules specified by the user. +# ----------------------------------------------------------------------------- + +# Initialize all of the global variables used during grammar construction +def initialize_vars(): + global Productions, Prodnames, Prodmap, Terminals + global Nonterminals, First, Follow, Precedence, LRitems + global Errorfunc, Signature, Requires + + Productions = [None] # A list of all of the productions. The first + # entry is always reserved for the purpose of + # building an augmented grammar + + Prodnames = { } # A dictionary mapping the names of nonterminals to a list of all + # productions of that nonterminal. + + Prodmap = { } # A dictionary that is only used to detect duplicate + # productions. + + Terminals = { } # A dictionary mapping the names of terminal symbols to a + # list of the rules where they are used. + + Nonterminals = { } # A dictionary mapping names of nonterminals to a list + # of rule numbers where they are used. + + First = { } # A dictionary of precomputed FIRST(x) symbols + + Follow = { } # A dictionary of precomputed FOLLOW(x) symbols + + Precedence = { } # Precedence rules for each terminal. Contains tuples of the + # form ('right',level) or ('nonassoc', level) or ('left',level) + + LRitems = [ ] # A list of all LR items for the grammar. These are the + # productions with the "dot" like E -> E . PLUS E + + Errorfunc = None # User defined error handler + + Signature = md5.new() # Digital signature of the grammar rules, precedence + # and other information. Used to determined when a + # parsing table needs to be regenerated. + + Requires = { } # Requires list + + # File objects used when creating the parser.out debugging file + global _vf, _vfc + _vf = cStringIO.StringIO() + _vfc = cStringIO.StringIO() + +# ----------------------------------------------------------------------------- +# class Production: +# +# This class stores the raw information about a single production or grammar rule. +# It has a few required attributes: +# +# name - Name of the production (nonterminal) +# prod - A list of symbols making up its production +# number - Production number. +# +# In addition, a few additional attributes are used to help with debugging or +# optimization of table generation. +# +# file - File where production action is defined. +# lineno - Line number where action is defined +# func - Action function +# prec - Precedence level +# lr_next - Next LR item. Example, if we are ' E -> E . PLUS E' +# then lr_next refers to 'E -> E PLUS . E' +# lr_index - LR item index (location of the ".") in the prod list. +# lookaheads - LALR lookahead symbols for this item +# len - Length of the production (number of symbols on right hand side) +# ----------------------------------------------------------------------------- + +class Production: + def __init__(self,**kw): + for k,v in kw.items(): + setattr(self,k,v) + self.lr_index = -1 + self.lr0_added = 0 # Flag indicating whether or not added to LR0 closure + self.lr1_added = 0 # Flag indicating whether or not added to LR1 + self.usyms = [ ] + self.lookaheads = { } + self.lk_added = { } + self.setnumbers = [ ] + + def __str__(self): + if self.prod: + s = "%s -> %s" % (self.name," ".join(self.prod)) + else: + s = "%s -> " % self.name + return s + + def __repr__(self): + return str(self) + + # Compute lr_items from the production + def lr_item(self,n): + if n > len(self.prod): return None + p = Production() + p.name = self.name + p.prod = list(self.prod) + p.number = self.number + p.lr_index = n + p.lookaheads = { } + p.setnumbers = self.setnumbers + p.prod.insert(n,".") + p.prod = tuple(p.prod) + p.len = len(p.prod) + p.usyms = self.usyms + + # Precompute list of productions immediately following + try: + p.lrafter = Prodnames[p.prod[n+1]] + except (IndexError,KeyError),e: + p.lrafter = [] + try: + p.lrbefore = p.prod[n-1] + except IndexError: + p.lrbefore = None + + return p + +class MiniProduction: + pass + +# regex matching identifiers +_is_identifier = re.compile(r'^[a-zA-Z0-9_-]+$') + +# ----------------------------------------------------------------------------- +# add_production() +# +# Given an action function, this function assembles a production rule. +# The production rule is assumed to be found in the function's docstring. +# This rule has the general syntax: +# +# name1 ::= production1 +# | production2 +# | production3 +# ... +# | productionn +# name2 ::= production1 +# | production2 +# ... +# ----------------------------------------------------------------------------- + +def add_production(f,file,line,prodname,syms): + + if Terminals.has_key(prodname): + sys.stderr.write("%s:%d: Illegal rule name '%s'. Already defined as a token.\n" % (file,line,prodname)) + return -1 + if prodname == 'error': + sys.stderr.write("%s:%d: Illegal rule name '%s'. error is a reserved word.\n" % (file,line,prodname)) + return -1 + + if not _is_identifier.match(prodname): + sys.stderr.write("%s:%d: Illegal rule name '%s'\n" % (file,line,prodname)) + return -1 + + for x in range(len(syms)): + s = syms[x] + if s[0] in "'\"": + try: + c = eval(s) + if (len(c) > 1): + sys.stderr.write("%s:%d: Literal token %s in rule '%s' may only be a single character\n" % (file,line,s, prodname)) + return -1 + if not Terminals.has_key(c): + Terminals[c] = [] + syms[x] = c + continue + except SyntaxError: + pass + if not _is_identifier.match(s) and s != '%prec': + sys.stderr.write("%s:%d: Illegal name '%s' in rule '%s'\n" % (file,line,s, prodname)) + return -1 + + # See if the rule is already in the rulemap + map = "%s -> %s" % (prodname,syms) + if Prodmap.has_key(map): + m = Prodmap[map] + sys.stderr.write("%s:%d: Duplicate rule %s.\n" % (file,line, m)) + sys.stderr.write("%s:%d: Previous definition at %s:%d\n" % (file,line, m.file, m.line)) + return -1 + + p = Production() + p.name = prodname + p.prod = syms + p.file = file + p.line = line + p.func = f + p.number = len(Productions) + + + Productions.append(p) + Prodmap[map] = p + if not Nonterminals.has_key(prodname): + Nonterminals[prodname] = [ ] + + # Add all terminals to Terminals + i = 0 + while i < len(p.prod): + t = p.prod[i] + if t == '%prec': + try: + precname = p.prod[i+1] + except IndexError: + sys.stderr.write("%s:%d: Syntax error. Nothing follows %%prec.\n" % (p.file,p.line)) + return -1 + + prec = Precedence.get(precname,None) + if not prec: + sys.stderr.write("%s:%d: Nothing known about the precedence of '%s'\n" % (p.file,p.line,precname)) + return -1 + else: + p.prec = prec + del p.prod[i] + del p.prod[i] + continue + + if Terminals.has_key(t): + Terminals[t].append(p.number) + # Is a terminal. We'll assign a precedence to p based on this + if not hasattr(p,"prec"): + p.prec = Precedence.get(t,('right',0)) + else: + if not Nonterminals.has_key(t): + Nonterminals[t] = [ ] + Nonterminals[t].append(p.number) + i += 1 + + if not hasattr(p,"prec"): + p.prec = ('right',0) + + # Set final length of productions + p.len = len(p.prod) + p.prod = tuple(p.prod) + + # Calculate unique syms in the production + p.usyms = [ ] + for s in p.prod: + if s not in p.usyms: + p.usyms.append(s) + + # Add to the global productions list + try: + Prodnames[p.name].append(p) + except KeyError: + Prodnames[p.name] = [ p ] + return 0 + +# Given a raw rule function, this function rips out its doc string +# and adds rules to the grammar + +def add_function(f): + line = f.func_code.co_firstlineno + file = f.func_code.co_filename + error = 0 + + if isinstance(f,types.MethodType): + reqdargs = 2 + else: + reqdargs = 1 + + if f.func_code.co_argcount > reqdargs: + sys.stderr.write("%s:%d: Rule '%s' has too many arguments.\n" % (file,line,f.__name__)) + return -1 + + if f.func_code.co_argcount < reqdargs: + sys.stderr.write("%s:%d: Rule '%s' requires an argument.\n" % (file,line,f.__name__)) + return -1 + + if f.__doc__: + # Split the doc string into lines + pstrings = f.__doc__.splitlines() + lastp = None + dline = line + for ps in pstrings: + dline += 1 + p = ps.split() + if not p: continue + try: + if p[0] == '|': + # This is a continuation of a previous rule + if not lastp: + sys.stderr.write("%s:%d: Misplaced '|'.\n" % (file,dline)) + return -1 + prodname = lastp + if len(p) > 1: + syms = p[1:] + else: + syms = [ ] + else: + prodname = p[0] + lastp = prodname + assign = p[1] + if len(p) > 2: + syms = p[2:] + else: + syms = [ ] + if assign != ':' and assign != '::=': + sys.stderr.write("%s:%d: Syntax error. Expected ':'\n" % (file,dline)) + return -1 + + + e = add_production(f,file,dline,prodname,syms) + error += e + + + except StandardError: + sys.stderr.write("%s:%d: Syntax error in rule '%s'\n" % (file,dline,ps)) + error -= 1 + else: + sys.stderr.write("%s:%d: No documentation string specified in function '%s'\n" % (file,line,f.__name__)) + return error + + +# Cycle checking code (Michael Dyck) + +def compute_reachable(): + ''' + Find each symbol that can be reached from the start symbol. + Print a warning for any nonterminals that can't be reached. + (Unused terminals have already had their warning.) + ''' + Reachable = { } + for s in Terminals.keys() + Nonterminals.keys(): + Reachable[s] = 0 + + mark_reachable_from( Productions[0].prod[0], Reachable ) + + for s in Nonterminals.keys(): + if not Reachable[s]: + sys.stderr.write("yacc: Symbol '%s' is unreachable.\n" % s) + +def mark_reachable_from(s, Reachable): + ''' + Mark all symbols that are reachable from symbol s. + ''' + if Reachable[s]: + # We've already reached symbol s. + return + Reachable[s] = 1 + for p in Prodnames.get(s,[]): + for r in p.prod: + mark_reachable_from(r, Reachable) + +# ----------------------------------------------------------------------------- +# compute_terminates() +# +# This function looks at the various parsing rules and tries to detect +# infinite recursion cycles (grammar rules where there is no possible way +# to derive a string of only terminals). +# ----------------------------------------------------------------------------- +def compute_terminates(): + ''' + Raise an error for any symbols that don't terminate. + ''' + Terminates = {} + + # Terminals: + for t in Terminals.keys(): + Terminates[t] = 1 + + Terminates['$end'] = 1 + + # Nonterminals: + + # Initialize to false: + for n in Nonterminals.keys(): + Terminates[n] = 0 + + # Then propagate termination until no change: + while 1: + some_change = 0 + for (n,pl) in Prodnames.items(): + # Nonterminal n terminates iff any of its productions terminates. + for p in pl: + # Production p terminates iff all of its rhs symbols terminate. + for s in p.prod: + if not Terminates[s]: + # The symbol s does not terminate, + # so production p does not terminate. + p_terminates = 0 + break + else: + # didn't break from the loop, + # so every symbol s terminates + # so production p terminates. + p_terminates = 1 + + if p_terminates: + # symbol n terminates! + if not Terminates[n]: + Terminates[n] = 1 + some_change = 1 + # Don't need to consider any more productions for this n. + break + + if not some_change: + break + + some_error = 0 + for (s,terminates) in Terminates.items(): + if not terminates: + if not Prodnames.has_key(s) and not Terminals.has_key(s) and s != 'error': + # s is used-but-not-defined, and we've already warned of that, + # so it would be overkill to say that it's also non-terminating. + pass + else: + sys.stderr.write("yacc: Infinite recursion detected for symbol '%s'.\n" % s) + some_error = 1 + + return some_error + +# ----------------------------------------------------------------------------- +# verify_productions() +# +# This function examines all of the supplied rules to see if they seem valid. +# ----------------------------------------------------------------------------- +def verify_productions(cycle_check=1): + error = 0 + for p in Productions: + if not p: continue + + for s in p.prod: + if not Prodnames.has_key(s) and not Terminals.has_key(s) and s != 'error': + sys.stderr.write("%s:%d: Symbol '%s' used, but not defined as a token or a rule.\n" % (p.file,p.line,s)) + error = 1 + continue + + unused_tok = 0 + # Now verify all of the tokens + if yaccdebug: + _vf.write("Unused terminals:\n\n") + for s,v in Terminals.items(): + if s != 'error' and not v: + sys.stderr.write("yacc: Warning. Token '%s' defined, but not used.\n" % s) + if yaccdebug: _vf.write(" %s\n"% s) + unused_tok += 1 + + # Print out all of the productions + if yaccdebug: + _vf.write("\nGrammar\n\n") + for i in range(1,len(Productions)): + _vf.write("Rule %-5d %s\n" % (i, Productions[i])) + + unused_prod = 0 + # Verify the use of all productions + for s,v in Nonterminals.items(): + if not v: + p = Prodnames[s][0] + sys.stderr.write("%s:%d: Warning. Rule '%s' defined, but not used.\n" % (p.file,p.line, s)) + unused_prod += 1 + + + if unused_tok == 1: + sys.stderr.write("yacc: Warning. There is 1 unused token.\n") + if unused_tok > 1: + sys.stderr.write("yacc: Warning. There are %d unused tokens.\n" % unused_tok) + + if unused_prod == 1: + sys.stderr.write("yacc: Warning. There is 1 unused rule.\n") + if unused_prod > 1: + sys.stderr.write("yacc: Warning. There are %d unused rules.\n" % unused_prod) + + if yaccdebug: + _vf.write("\nTerminals, with rules where they appear\n\n") + ks = Terminals.keys() + ks.sort() + for k in ks: + _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Terminals[k]]))) + _vf.write("\nNonterminals, with rules where they appear\n\n") + ks = Nonterminals.keys() + ks.sort() + for k in ks: + _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Nonterminals[k]]))) + + if (cycle_check): + compute_reachable() + error += compute_terminates() +# error += check_cycles() + return error + +# ----------------------------------------------------------------------------- +# build_lritems() +# +# This function walks the list of productions and builds a complete set of the +# LR items. The LR items are stored in two ways: First, they are uniquely +# numbered and placed in the list _lritems. Second, a linked list of LR items +# is built for each production. For example: +# +# E -> E PLUS E +# +# Creates the list +# +# [E -> . E PLUS E, E -> E . PLUS E, E -> E PLUS . E, E -> E PLUS E . ] +# ----------------------------------------------------------------------------- + +def build_lritems(): + for p in Productions: + lastlri = p + lri = p.lr_item(0) + i = 0 + while 1: + lri = p.lr_item(i) + lastlri.lr_next = lri + if not lri: break + lri.lr_num = len(LRitems) + LRitems.append(lri) + lastlri = lri + i += 1 + + # In order for the rest of the parser generator to work, we need to + # guarantee that no more lritems are generated. Therefore, we nuke + # the p.lr_item method. (Only used in debugging) + # Production.lr_item = None + +# ----------------------------------------------------------------------------- +# add_precedence() +# +# Given a list of precedence rules, add to the precedence table. +# ----------------------------------------------------------------------------- + +def add_precedence(plist): + plevel = 0 + error = 0 + for p in plist: + plevel += 1 + try: + prec = p[0] + terms = p[1:] + if prec != 'left' and prec != 'right' and prec != 'nonassoc': + sys.stderr.write("yacc: Invalid precedence '%s'\n" % prec) + return -1 + for t in terms: + if Precedence.has_key(t): + sys.stderr.write("yacc: Precedence already specified for terminal '%s'\n" % t) + error += 1 + continue + Precedence[t] = (prec,plevel) + except: + sys.stderr.write("yacc: Invalid precedence table.\n") + error += 1 + + return error + +# ----------------------------------------------------------------------------- +# augment_grammar() +# +# Compute the augmented grammar. This is just a rule S' -> start where start +# is the starting symbol. +# ----------------------------------------------------------------------------- + +def augment_grammar(start=None): + if not start: + start = Productions[1].name + Productions[0] = Production(name="S'",prod=[start],number=0,len=1,prec=('right',0),func=None) + Productions[0].usyms = [ start ] + Nonterminals[start].append(0) + + +# ------------------------------------------------------------------------- +# first() +# +# Compute the value of FIRST1(beta) where beta is a tuple of symbols. +# +# During execution of compute_first1, the result may be incomplete. +# Afterward (e.g., when called from compute_follow()), it will be complete. +# ------------------------------------------------------------------------- +def first(beta): + + # We are computing First(x1,x2,x3,...,xn) + result = [ ] + for x in beta: + x_produces_empty = 0 + + # Add all the non- symbols of First[x] to the result. + for f in First[x]: + if f == '': + x_produces_empty = 1 + else: + if f not in result: result.append(f) + + if x_produces_empty: + # We have to consider the next x in beta, + # i.e. stay in the loop. + pass + else: + # We don't have to consider any further symbols in beta. + break + else: + # There was no 'break' from the loop, + # so x_produces_empty was true for all x in beta, + # so beta produces empty as well. + result.append('') + + return result + + +# FOLLOW(x) +# Given a non-terminal. This function computes the set of all symbols +# that might follow it. Dragon book, p. 189. + +def compute_follow(start=None): + # Add '$end' to the follow list of the start symbol + for k in Nonterminals.keys(): + Follow[k] = [ ] + + if not start: + start = Productions[1].name + + Follow[start] = [ '$end' ] + + while 1: + didadd = 0 + for p in Productions[1:]: + # Here is the production set + for i in range(len(p.prod)): + B = p.prod[i] + if Nonterminals.has_key(B): + # Okay. We got a non-terminal in a production + fst = first(p.prod[i+1:]) + hasempty = 0 + for f in fst: + if f != '' and f not in Follow[B]: + Follow[B].append(f) + didadd = 1 + if f == '': + hasempty = 1 + if hasempty or i == (len(p.prod)-1): + # Add elements of follow(a) to follow(b) + for f in Follow[p.name]: + if f not in Follow[B]: + Follow[B].append(f) + didadd = 1 + if not didadd: break + + if 0 and yaccdebug: + _vf.write('\nFollow:\n') + for k in Nonterminals.keys(): + _vf.write("%-20s : %s\n" % (k, " ".join([str(s) for s in Follow[k]]))) + +# ------------------------------------------------------------------------- +# compute_first1() +# +# Compute the value of FIRST1(X) for all symbols +# ------------------------------------------------------------------------- +def compute_first1(): + + # Terminals: + for t in Terminals.keys(): + First[t] = [t] + + First['$end'] = ['$end'] + First['#'] = ['#'] # what's this for? + + # Nonterminals: + + # Initialize to the empty set: + for n in Nonterminals.keys(): + First[n] = [] + + # Then propagate symbols until no change: + while 1: + some_change = 0 + for n in Nonterminals.keys(): + for p in Prodnames[n]: + for f in first(p.prod): + if f not in First[n]: + First[n].append( f ) + some_change = 1 + if not some_change: + break + + if 0 and yaccdebug: + _vf.write('\nFirst:\n') + for k in Nonterminals.keys(): + _vf.write("%-20s : %s\n" % + (k, " ".join([str(s) for s in First[k]]))) + +# ----------------------------------------------------------------------------- +# === SLR Generation === +# +# The following functions are used to construct SLR (Simple LR) parsing tables +# as described on p.221-229 of the dragon book. +# ----------------------------------------------------------------------------- + +# Global variables for the LR parsing engine +def lr_init_vars(): + global _lr_action, _lr_goto, _lr_method + global _lr_goto_cache, _lr0_cidhash + + _lr_action = { } # Action table + _lr_goto = { } # Goto table + _lr_method = "Unknown" # LR method used + _lr_goto_cache = { } + _lr0_cidhash = { } + + +# Compute the LR(0) closure operation on I, where I is a set of LR(0) items. +# prodlist is a list of productions. + +_add_count = 0 # Counter used to detect cycles + +def lr0_closure(I): + global _add_count + + _add_count += 1 + prodlist = Productions + + # Add everything in I to J + J = I[:] + didadd = 1 + while didadd: + didadd = 0 + for j in J: + for x in j.lrafter: + if x.lr0_added == _add_count: continue + # Add B --> .G to J + J.append(x.lr_next) + x.lr0_added = _add_count + didadd = 1 + + return J + +# Compute the LR(0) goto function goto(I,X) where I is a set +# of LR(0) items and X is a grammar symbol. This function is written +# in a way that guarantees uniqueness of the generated goto sets +# (i.e. the same goto set will never be returned as two different Python +# objects). With uniqueness, we can later do fast set comparisons using +# id(obj) instead of element-wise comparison. + +def lr0_goto(I,x): + # First we look for a previously cached entry + g = _lr_goto_cache.get((id(I),x),None) + if g: return g + + # Now we generate the goto set in a way that guarantees uniqueness + # of the result + + s = _lr_goto_cache.get(x,None) + if not s: + s = { } + _lr_goto_cache[x] = s + + gs = [ ] + for p in I: + n = p.lr_next + if n and n.lrbefore == x: + s1 = s.get(id(n),None) + if not s1: + s1 = { } + s[id(n)] = s1 + gs.append(n) + s = s1 + g = s.get('$end',None) + if not g: + if gs: + g = lr0_closure(gs) + s['$end'] = g + else: + s['$end'] = gs + _lr_goto_cache[(id(I),x)] = g + return g + +_lr0_cidhash = { } + +# Compute the LR(0) sets of item function +def lr0_items(): + + C = [ lr0_closure([Productions[0].lr_next]) ] + i = 0 + for I in C: + _lr0_cidhash[id(I)] = i + i += 1 + + # Loop over the items in C and each grammar symbols + i = 0 + while i < len(C): + I = C[i] + i += 1 + + # Collect all of the symbols that could possibly be in the goto(I,X) sets + asyms = { } + for ii in I: + for s in ii.usyms: + asyms[s] = None + + for x in asyms.keys(): + g = lr0_goto(I,x) + if not g: continue + if _lr0_cidhash.has_key(id(g)): continue + _lr0_cidhash[id(g)] = len(C) + C.append(g) + + return C + +# ----------------------------------------------------------------------------- +# ==== LALR(1) Parsing ==== +# +# LALR(1) parsing is almost exactly the same as SLR except that instead of +# relying upon Follow() sets when performing reductions, a more selective +# lookahead set that incorporates the state of the LR(0) machine is utilized. +# Thus, we mainly just have to focus on calculating the lookahead sets. +# +# The method used here is due to DeRemer and Pennelo (1982). +# +# DeRemer, F. L., and T. J. Pennelo: "Efficient Computation of LALR(1) +# Lookahead Sets", ACM Transactions on Programming Languages and Systems, +# Vol. 4, No. 4, Oct. 1982, pp. 615-649 +# +# Further details can also be found in: +# +# J. Tremblay and P. Sorenson, "The Theory and Practice of Compiler Writing", +# McGraw-Hill Book Company, (1985). +# +# Note: This implementation is a complete replacement of the LALR(1) +# implementation in PLY-1.x releases. That version was based on +# a less efficient algorithm and it had bugs in its implementation. +# ----------------------------------------------------------------------------- + +# ----------------------------------------------------------------------------- +# compute_nullable_nonterminals() +# +# Creates a dictionary containing all of the non-terminals that might produce +# an empty production. +# ----------------------------------------------------------------------------- + +def compute_nullable_nonterminals(): + nullable = {} + num_nullable = 0 + while 1: + for p in Productions[1:]: + if p.len == 0: + nullable[p.name] = 1 + continue + for t in p.prod: + if not nullable.has_key(t): break + else: + nullable[p.name] = 1 + if len(nullable) == num_nullable: break + num_nullable = len(nullable) + return nullable + +# ----------------------------------------------------------------------------- +# find_nonterminal_trans(C) +# +# Given a set of LR(0) items, this functions finds all of the non-terminal +# transitions. These are transitions in which a dot appears immediately before +# a non-terminal. Returns a list of tuples of the form (state,N) where state +# is the state number and N is the nonterminal symbol. +# +# The input C is the set of LR(0) items. +# ----------------------------------------------------------------------------- + +def find_nonterminal_transitions(C): + trans = [] + for state in range(len(C)): + for p in C[state]: + if p.lr_index < p.len - 1: + t = (state,p.prod[p.lr_index+1]) + if Nonterminals.has_key(t[1]): + if t not in trans: trans.append(t) + state = state + 1 + return trans + +# ----------------------------------------------------------------------------- +# dr_relation() +# +# Computes the DR(p,A) relationships for non-terminal transitions. The input +# is a tuple (state,N) where state is a number and N is a nonterminal symbol. +# +# Returns a list of terminals. +# ----------------------------------------------------------------------------- + +def dr_relation(C,trans,nullable): + dr_set = { } + state,N = trans + terms = [] + + g = lr0_goto(C[state],N) + for p in g: + if p.lr_index < p.len - 1: + a = p.prod[p.lr_index+1] + if Terminals.has_key(a): + if a not in terms: terms.append(a) + + # This extra bit is to handle the start state + if state == 0 and N == Productions[0].prod[0]: + terms.append('$end') + + return terms + +# ----------------------------------------------------------------------------- +# reads_relation() +# +# Computes the READS() relation (p,A) READS (t,C). +# ----------------------------------------------------------------------------- + +def reads_relation(C, trans, empty): + # Look for empty transitions + rel = [] + state, N = trans + + g = lr0_goto(C[state],N) + j = _lr0_cidhash.get(id(g),-1) + for p in g: + if p.lr_index < p.len - 1: + a = p.prod[p.lr_index + 1] + if empty.has_key(a): + rel.append((j,a)) + + return rel + +# ----------------------------------------------------------------------------- +# compute_lookback_includes() +# +# Determines the lookback and includes relations +# +# LOOKBACK: +# +# This relation is determined by running the LR(0) state machine forward. +# For example, starting with a production "N : . A B C", we run it forward +# to obtain "N : A B C ." We then build a relationship between this final +# state and the starting state. These relationships are stored in a dictionary +# lookdict. +# +# INCLUDES: +# +# Computes the INCLUDE() relation (p,A) INCLUDES (p',B). +# +# This relation is used to determine non-terminal transitions that occur +# inside of other non-terminal transition states. (p,A) INCLUDES (p', B) +# if the following holds: +# +# B -> LAT, where T -> epsilon and p' -L-> p +# +# L is essentially a prefix (which may be empty), T is a suffix that must be +# able to derive an empty string. State p' must lead to state p with the string L. +# +# ----------------------------------------------------------------------------- + +def compute_lookback_includes(C,trans,nullable): + + lookdict = {} # Dictionary of lookback relations + includedict = {} # Dictionary of include relations + + # Make a dictionary of non-terminal transitions + dtrans = {} + for t in trans: + dtrans[t] = 1 + + # Loop over all transitions and compute lookbacks and includes + for state,N in trans: + lookb = [] + includes = [] + for p in C[state]: + if p.name != N: continue + + # Okay, we have a name match. We now follow the production all the way + # through the state machine until we get the . on the right hand side + + lr_index = p.lr_index + j = state + while lr_index < p.len - 1: + lr_index = lr_index + 1 + t = p.prod[lr_index] + + # Check to see if this symbol and state are a non-terminal transition + if dtrans.has_key((j,t)): + # Yes. Okay, there is some chance that this is an includes relation + # the only way to know for certain is whether the rest of the + # production derives empty + + li = lr_index + 1 + while li < p.len: + if Terminals.has_key(p.prod[li]): break # No forget it + if not nullable.has_key(p.prod[li]): break + li = li + 1 + else: + # Appears to be a relation between (j,t) and (state,N) + includes.append((j,t)) + + g = lr0_goto(C[j],t) # Go to next set + j = _lr0_cidhash.get(id(g),-1) # Go to next state + + # When we get here, j is the final state, now we have to locate the production + for r in C[j]: + if r.name != p.name: continue + if r.len != p.len: continue + i = 0 + # This look is comparing a production ". A B C" with "A B C ." + while i < r.lr_index: + if r.prod[i] != p.prod[i+1]: break + i = i + 1 + else: + lookb.append((j,r)) + for i in includes: + if not includedict.has_key(i): includedict[i] = [] + includedict[i].append((state,N)) + lookdict[(state,N)] = lookb + + return lookdict,includedict + +# ----------------------------------------------------------------------------- +# digraph() +# traverse() +# +# The following two functions are used to compute set valued functions +# of the form: +# +# F(x) = F'(x) U U{F(y) | x R y} +# +# This is used to compute the values of Read() sets as well as FOLLOW sets +# in LALR(1) generation. +# +# Inputs: X - An input set +# R - A relation +# FP - Set-valued function +# ------------------------------------------------------------------------------ + +def digraph(X,R,FP): + N = { } + for x in X: + N[x] = 0 + stack = [] + F = { } + for x in X: + if N[x] == 0: traverse(x,N,stack,F,X,R,FP) + return F + +def traverse(x,N,stack,F,X,R,FP): + stack.append(x) + d = len(stack) + N[x] = d + F[x] = FP(x) # F(X) <- F'(x) + + rel = R(x) # Get y's related to x + for y in rel: + if N[y] == 0: + traverse(y,N,stack,F,X,R,FP) + N[x] = min(N[x],N[y]) + for a in F.get(y,[]): + if a not in F[x]: F[x].append(a) + if N[x] == d: + N[stack[-1]] = sys.maxint + F[stack[-1]] = F[x] + element = stack.pop() + while element != x: + N[stack[-1]] = sys.maxint + F[stack[-1]] = F[x] + element = stack.pop() + +# ----------------------------------------------------------------------------- +# compute_read_sets() +# +# Given a set of LR(0) items, this function computes the read sets. +# +# Inputs: C = Set of LR(0) items +# ntrans = Set of nonterminal transitions +# nullable = Set of empty transitions +# +# Returns a set containing the read sets +# ----------------------------------------------------------------------------- + +def compute_read_sets(C, ntrans, nullable): + FP = lambda x: dr_relation(C,x,nullable) + R = lambda x: reads_relation(C,x,nullable) + F = digraph(ntrans,R,FP) + return F + +# ----------------------------------------------------------------------------- +# compute_follow_sets() +# +# Given a set of LR(0) items, a set of non-terminal transitions, a readset, +# and an include set, this function computes the follow sets +# +# Follow(p,A) = Read(p,A) U U {Follow(p',B) | (p,A) INCLUDES (p',B)} +# +# Inputs: +# ntrans = Set of nonterminal transitions +# readsets = Readset (previously computed) +# inclsets = Include sets (previously computed) +# +# Returns a set containing the follow sets +# ----------------------------------------------------------------------------- + +def compute_follow_sets(ntrans,readsets,inclsets): + FP = lambda x: readsets[x] + R = lambda x: inclsets.get(x,[]) + F = digraph(ntrans,R,FP) + return F + +# ----------------------------------------------------------------------------- +# add_lookaheads() +# +# Attaches the lookahead symbols to grammar rules. +# +# Inputs: lookbacks - Set of lookback relations +# followset - Computed follow set +# +# This function directly attaches the lookaheads to productions contained +# in the lookbacks set +# ----------------------------------------------------------------------------- + +def add_lookaheads(lookbacks,followset): + for trans,lb in lookbacks.items(): + # Loop over productions in lookback + for state,p in lb: + if not p.lookaheads.has_key(state): + p.lookaheads[state] = [] + f = followset.get(trans,[]) + for a in f: + if a not in p.lookaheads[state]: p.lookaheads[state].append(a) + +# ----------------------------------------------------------------------------- +# add_lalr_lookaheads() +# +# This function does all of the work of adding lookahead information for use +# with LALR parsing +# ----------------------------------------------------------------------------- + +def add_lalr_lookaheads(C): + # Determine all of the nullable nonterminals + nullable = compute_nullable_nonterminals() + + # Find all non-terminal transitions + trans = find_nonterminal_transitions(C) + + # Compute read sets + readsets = compute_read_sets(C,trans,nullable) + + # Compute lookback/includes relations + lookd, included = compute_lookback_includes(C,trans,nullable) + + # Compute LALR FOLLOW sets + followsets = compute_follow_sets(trans,readsets,included) + + # Add all of the lookaheads + add_lookaheads(lookd,followsets) + +# ----------------------------------------------------------------------------- +# lr_parse_table() +# +# This function constructs the parse tables for SLR or LALR +# ----------------------------------------------------------------------------- +def lr_parse_table(method): + global _lr_method + goto = _lr_goto # Goto array + action = _lr_action # Action array + actionp = { } # Action production array (temporary) + + _lr_method = method + + n_srconflict = 0 + n_rrconflict = 0 + + if yaccdebug: + sys.stderr.write("yacc: Generating %s parsing table...\n" % method) + _vf.write("\n\nParsing method: %s\n\n" % method) + + # Step 1: Construct C = { I0, I1, ... IN}, collection of LR(0) items + # This determines the number of states + + C = lr0_items() + + if method == 'LALR': + add_lalr_lookaheads(C) + + # Build the parser table, state by state + st = 0 + for I in C: + # Loop over each production in I + actlist = [ ] # List of actions + + if yaccdebug: + _vf.write("\nstate %d\n\n" % st) + for p in I: + _vf.write(" (%d) %s\n" % (p.number, str(p))) + _vf.write("\n") + + for p in I: + try: + if p.prod[-1] == ".": + if p.name == "S'": + # Start symbol. Accept! + action[st,"$end"] = 0 + actionp[st,"$end"] = p + else: + # We are at the end of a production. Reduce! + if method == 'LALR': + laheads = p.lookaheads[st] + else: + laheads = Follow[p.name] + for a in laheads: + actlist.append((a,p,"reduce using rule %d (%s)" % (p.number,p))) + r = action.get((st,a),None) + if r is not None: + # Whoa. Have a shift/reduce or reduce/reduce conflict + if r > 0: + # Need to decide on shift or reduce here + # By default we favor shifting. Need to add + # some precedence rules here. + sprec,slevel = Productions[actionp[st,a].number].prec + rprec,rlevel = Precedence.get(a,('right',0)) + if (slevel < rlevel) or ((slevel == rlevel) and (rprec == 'left')): + # We really need to reduce here. + action[st,a] = -p.number + actionp[st,a] = p + if not slevel and not rlevel: + _vfc.write("shift/reduce conflict in state %d resolved as reduce.\n" % st) + _vf.write(" ! shift/reduce conflict for %s resolved as reduce.\n" % a) + n_srconflict += 1 + elif (slevel == rlevel) and (rprec == 'nonassoc'): + action[st,a] = None + else: + # Hmmm. Guess we'll keep the shift + if not rlevel: + _vfc.write("shift/reduce conflict in state %d resolved as shift.\n" % st) + _vf.write(" ! shift/reduce conflict for %s resolved as shift.\n" % a) + n_srconflict +=1 + elif r < 0: + # Reduce/reduce conflict. In this case, we favor the rule + # that was defined first in the grammar file + oldp = Productions[-r] + pp = Productions[p.number] + if oldp.line > pp.line: + action[st,a] = -p.number + actionp[st,a] = p + # sys.stderr.write("Reduce/reduce conflict in state %d\n" % st) + n_rrconflict += 1 + _vfc.write("reduce/reduce conflict in state %d resolved using rule %d (%s).\n" % (st, actionp[st,a].number, actionp[st,a])) + _vf.write(" ! reduce/reduce conflict for %s resolved using rule %d (%s).\n" % (a,actionp[st,a].number, actionp[st,a])) + else: + sys.stderr.write("Unknown conflict in state %d\n" % st) + else: + action[st,a] = -p.number + actionp[st,a] = p + else: + i = p.lr_index + a = p.prod[i+1] # Get symbol right after the "." + if Terminals.has_key(a): + g = lr0_goto(I,a) + j = _lr0_cidhash.get(id(g),-1) + if j >= 0: + # We are in a shift state + actlist.append((a,p,"shift and go to state %d" % j)) + r = action.get((st,a),None) + if r is not None: + # Whoa have a shift/reduce or shift/shift conflict + if r > 0: + if r != j: + sys.stderr.write("Shift/shift conflict in state %d\n" % st) + elif r < 0: + # Do a precedence check. + # - if precedence of reduce rule is higher, we reduce. + # - if precedence of reduce is same and left assoc, we reduce. + # - otherwise we shift + rprec,rlevel = Productions[actionp[st,a].number].prec + sprec,slevel = Precedence.get(a,('right',0)) + if (slevel > rlevel) or ((slevel == rlevel) and (rprec != 'left')): + # We decide to shift here... highest precedence to shift + action[st,a] = j + actionp[st,a] = p + if not rlevel: + n_srconflict += 1 + _vfc.write("shift/reduce conflict in state %d resolved as shift.\n" % st) + _vf.write(" ! shift/reduce conflict for %s resolved as shift.\n" % a) + elif (slevel == rlevel) and (rprec == 'nonassoc'): + action[st,a] = None + else: + # Hmmm. Guess we'll keep the reduce + if not slevel and not rlevel: + n_srconflict +=1 + _vfc.write("shift/reduce conflict in state %d resolved as reduce.\n" % st) + _vf.write(" ! shift/reduce conflict for %s resolved as reduce.\n" % a) + + else: + sys.stderr.write("Unknown conflict in state %d\n" % st) + else: + action[st,a] = j + actionp[st,a] = p + + except StandardError,e: + raise YaccError, "Hosed in lr_parse_table", e + + # Print the actions associated with each terminal + if yaccdebug: + _actprint = { } + for a,p,m in actlist: + if action.has_key((st,a)): + if p is actionp[st,a]: + _vf.write(" %-15s %s\n" % (a,m)) + _actprint[(a,m)] = 1 + _vf.write("\n") + for a,p,m in actlist: + if action.has_key((st,a)): + if p is not actionp[st,a]: + if not _actprint.has_key((a,m)): + _vf.write(" ! %-15s [ %s ]\n" % (a,m)) + _actprint[(a,m)] = 1 + + # Construct the goto table for this state + if yaccdebug: + _vf.write("\n") + nkeys = { } + for ii in I: + for s in ii.usyms: + if Nonterminals.has_key(s): + nkeys[s] = None + for n in nkeys.keys(): + g = lr0_goto(I,n) + j = _lr0_cidhash.get(id(g),-1) + if j >= 0: + goto[st,n] = j + if yaccdebug: + _vf.write(" %-30s shift and go to state %d\n" % (n,j)) + + st += 1 + + if yaccdebug: + if n_srconflict == 1: + sys.stderr.write("yacc: %d shift/reduce conflict\n" % n_srconflict) + if n_srconflict > 1: + sys.stderr.write("yacc: %d shift/reduce conflicts\n" % n_srconflict) + if n_rrconflict == 1: + sys.stderr.write("yacc: %d reduce/reduce conflict\n" % n_rrconflict) + if n_rrconflict > 1: + sys.stderr.write("yacc: %d reduce/reduce conflicts\n" % n_rrconflict) + +# ----------------------------------------------------------------------------- +# ==== LR Utility functions ==== +# ----------------------------------------------------------------------------- + +# ----------------------------------------------------------------------------- +# _lr_write_tables() +# +# This function writes the LR parsing tables to a file +# ----------------------------------------------------------------------------- + +def lr_write_tables(modulename=tab_module,outputdir=''): + filename = os.path.join(outputdir,modulename) + ".py" + try: + f = open(filename,"w") + + f.write(""" +# %s +# This file is automatically generated. Do not edit. + +_lr_method = %s + +_lr_signature = %s +""" % (filename, repr(_lr_method), repr(Signature.digest()))) + + # Change smaller to 0 to go back to original tables + smaller = 1 + + # Factor out names to try and make smaller + if smaller: + items = { } + + for k,v in _lr_action.items(): + i = items.get(k[1]) + if not i: + i = ([],[]) + items[k[1]] = i + i[0].append(k[0]) + i[1].append(v) + + f.write("\n_lr_action_items = {") + for k,v in items.items(): + f.write("%r:([" % k) + for i in v[0]: + f.write("%r," % i) + f.write("],[") + for i in v[1]: + f.write("%r," % i) + + f.write("]),") + f.write("}\n") + + f.write(""" +_lr_action = { } +for _k, _v in _lr_action_items.items(): + for _x,_y in zip(_v[0],_v[1]): + _lr_action[(_x,_k)] = _y +del _lr_action_items +""") + + else: + f.write("\n_lr_action = { "); + for k,v in _lr_action.items(): + f.write("(%r,%r):%r," % (k[0],k[1],v)) + f.write("}\n"); + + if smaller: + # Factor out names to try and make smaller + items = { } + + for k,v in _lr_goto.items(): + i = items.get(k[1]) + if not i: + i = ([],[]) + items[k[1]] = i + i[0].append(k[0]) + i[1].append(v) + + f.write("\n_lr_goto_items = {") + for k,v in items.items(): + f.write("%r:([" % k) + for i in v[0]: + f.write("%r," % i) + f.write("],[") + for i in v[1]: + f.write("%r," % i) + + f.write("]),") + f.write("}\n") + + f.write(""" +_lr_goto = { } +for _k, _v in _lr_goto_items.items(): + for _x,_y in zip(_v[0],_v[1]): + _lr_goto[(_x,_k)] = _y +del _lr_goto_items +""") + else: + f.write("\n_lr_goto = { "); + for k,v in _lr_goto.items(): + f.write("(%r,%r):%r," % (k[0],k[1],v)) + f.write("}\n"); + + # Write production table + f.write("_lr_productions = [\n") + for p in Productions: + if p: + if (p.func): + f.write(" (%r,%d,%r,%r,%d),\n" % (p.name, p.len, p.func.__name__,p.file,p.line)) + else: + f.write(" (%r,%d,None,None,None),\n" % (p.name, p.len)) + else: + f.write(" None,\n") + f.write("]\n") + + f.close() + + except IOError,e: + print "Unable to create '%s'" % filename + print e + return + +def lr_read_tables(module=tab_module,optimize=0): + global _lr_action, _lr_goto, _lr_productions, _lr_method + try: + exec "import %s as parsetab" % module + + if (optimize) or (Signature.digest() == parsetab._lr_signature): + _lr_action = parsetab._lr_action + _lr_goto = parsetab._lr_goto + _lr_productions = parsetab._lr_productions + _lr_method = parsetab._lr_method + return 1 + else: + return 0 + + except (ImportError,AttributeError): + return 0 + + +# Available instance types. This is used when parsers are defined by a class. +# it's a little funky because I want to preserve backwards compatibility +# with Python 2.0 where types.ObjectType is undefined. + +try: + _INSTANCETYPE = (types.InstanceType, types.ObjectType) +except AttributeError: + _INSTANCETYPE = types.InstanceType + +# ----------------------------------------------------------------------------- +# yacc(module) +# +# Build the parser module +# ----------------------------------------------------------------------------- + +def yacc(method=default_lr, debug=yaccdebug, module=None, tabmodule=tab_module, start=None, check_recursion=1, optimize=0,write_tables=1,debugfile=debug_file,outputdir=''): + global yaccdebug + yaccdebug = debug + + initialize_vars() + files = { } + error = 0 + + + # Add parsing method to signature + Signature.update(method) + + # If a "module" parameter was supplied, extract its dictionary. + # Note: a module may in fact be an instance as well. + + if module: + # User supplied a module object. + if isinstance(module, types.ModuleType): + ldict = module.__dict__ + elif isinstance(module, _INSTANCETYPE): + _items = [(k,getattr(module,k)) for k in dir(module)] + ldict = { } + for i in _items: + ldict[i[0]] = i[1] + else: + raise ValueError,"Expected a module" + + else: + # No module given. We might be able to get information from the caller. + # Throw an exception and unwind the traceback to get the globals + + try: + raise RuntimeError + except RuntimeError: + e,b,t = sys.exc_info() + f = t.tb_frame + f = f.f_back # Walk out to our calling function + ldict = f.f_globals # Grab its globals dictionary + + # Add starting symbol to signature + if not start: + start = ldict.get("start",None) + if start: + Signature.update(start) + + # If running in optimized mode. We're going to + + if (optimize and lr_read_tables(tabmodule,1)): + # Read parse table + del Productions[:] + for p in _lr_productions: + if not p: + Productions.append(None) + else: + m = MiniProduction() + m.name = p[0] + m.len = p[1] + m.file = p[3] + m.line = p[4] + if p[2]: + m.func = ldict[p[2]] + Productions.append(m) + + else: + # Get the tokens map + if (module and isinstance(module,_INSTANCETYPE)): + tokens = getattr(module,"tokens",None) + else: + tokens = ldict.get("tokens",None) + + if not tokens: + raise YaccError,"module does not define a list 'tokens'" + if not (isinstance(tokens,types.ListType) or isinstance(tokens,types.TupleType)): + raise YaccError,"tokens must be a list or tuple." + + # Check to see if a requires dictionary is defined. + requires = ldict.get("require",None) + if requires: + if not (isinstance(requires,types.DictType)): + raise YaccError,"require must be a dictionary." + + for r,v in requires.items(): + try: + if not (isinstance(v,types.ListType)): + raise TypeError + v1 = [x.split(".") for x in v] + Requires[r] = v1 + except StandardError: + print "Invalid specification for rule '%s' in require. Expected a list of strings" % r + + + # Build the dictionary of terminals. We a record a 0 in the + # dictionary to track whether or not a terminal is actually + # used in the grammar + + if 'error' in tokens: + print "yacc: Illegal token 'error'. Is a reserved word." + raise YaccError,"Illegal token name" + + for n in tokens: + if Terminals.has_key(n): + print "yacc: Warning. Token '%s' multiply defined." % n + Terminals[n] = [ ] + + Terminals['error'] = [ ] + + # Get the precedence map (if any) + prec = ldict.get("precedence",None) + if prec: + if not (isinstance(prec,types.ListType) or isinstance(prec,types.TupleType)): + raise YaccError,"precedence must be a list or tuple." + add_precedence(prec) + Signature.update(repr(prec)) + + for n in tokens: + if not Precedence.has_key(n): + Precedence[n] = ('right',0) # Default, right associative, 0 precedence + + # Look for error handler + ef = ldict.get('p_error',None) + if ef: + if isinstance(ef,types.FunctionType): + ismethod = 0 + elif isinstance(ef, types.MethodType): + ismethod = 1 + else: + raise YaccError,"'p_error' defined, but is not a function or method." + eline = ef.func_code.co_firstlineno + efile = ef.func_code.co_filename + files[efile] = None + + if (ef.func_code.co_argcount != 1+ismethod): + raise YaccError,"%s:%d: p_error() requires 1 argument." % (efile,eline) + global Errorfunc + Errorfunc = ef + else: + print "yacc: Warning. no p_error() function is defined." + + # Get the list of built-in functions with p_ prefix + symbols = [ldict[f] for f in ldict.keys() + if (type(ldict[f]) in (types.FunctionType, types.MethodType) and ldict[f].__name__[:2] == 'p_' + and ldict[f].__name__ != 'p_error')] + + # Check for non-empty symbols + if len(symbols) == 0: + raise YaccError,"no rules of the form p_rulename are defined." + + # Sort the symbols by line number + symbols.sort(lambda x,y: cmp(x.func_code.co_firstlineno,y.func_code.co_firstlineno)) + + # Add all of the symbols to the grammar + for f in symbols: + if (add_function(f)) < 0: + error += 1 + else: + files[f.func_code.co_filename] = None + + # Make a signature of the docstrings + for f in symbols: + if f.__doc__: + Signature.update(f.__doc__) + + lr_init_vars() + + if error: + raise YaccError,"Unable to construct parser." + + if not lr_read_tables(tabmodule): + + # Validate files + for filename in files.keys(): + if not validate_file(filename): + error = 1 + + # Validate dictionary + validate_dict(ldict) + + if start and not Prodnames.has_key(start): + raise YaccError,"Bad starting symbol '%s'" % start + + augment_grammar(start) + error = verify_productions(cycle_check=check_recursion) + otherfunc = [ldict[f] for f in ldict.keys() + if (type(f) in (types.FunctionType,types.MethodType) and ldict[f].__name__[:2] != 'p_')] + + if error: + raise YaccError,"Unable to construct parser." + + build_lritems() + compute_first1() + compute_follow(start) + + if method in ['SLR','LALR']: + lr_parse_table(method) + else: + raise YaccError, "Unknown parsing method '%s'" % method + + if write_tables: + lr_write_tables(tabmodule,outputdir) + + if yaccdebug: + try: + f = open(os.path.join(outputdir,debugfile),"w") + f.write(_vfc.getvalue()) + f.write("\n\n") + f.write(_vf.getvalue()) + f.close() + except IOError,e: + print "yacc: can't create '%s'" % debugfile,e + + # Made it here. Create a parser object and set up its internal state. + # Set global parse() method to bound method of parser object. + + p = Parser("xyzzy") + p.productions = Productions + p.errorfunc = Errorfunc + p.action = _lr_action + p.goto = _lr_goto + p.method = _lr_method + p.require = Requires + + global parse + parse = p.parse + + global parser + parser = p + + # Clean up all of the globals we created + if (not optimize): + yacc_cleanup() + return p + +# yacc_cleanup function. Delete all of the global variables +# used during table construction + +def yacc_cleanup(): + global _lr_action, _lr_goto, _lr_method, _lr_goto_cache + del _lr_action, _lr_goto, _lr_method, _lr_goto_cache + + global Productions, Prodnames, Prodmap, Terminals + global Nonterminals, First, Follow, Precedence, LRitems + global Errorfunc, Signature, Requires + + del Productions, Prodnames, Prodmap, Terminals + del Nonterminals, First, Follow, Precedence, LRitems + del Errorfunc, Signature, Requires + + global _vf, _vfc + del _vf, _vfc + + +# Stub that raises an error if parsing is attempted without first calling yacc() +def parse(*args,**kwargs): + raise YaccError, "yacc: No parser built with yacc()" + diff --git a/solve/ply-2.2/ply/yacc.pyc b/solve/ply-2.2/ply/yacc.pyc new file mode 100644 index 0000000..4b1adf7 Binary files /dev/null and b/solve/ply-2.2/ply/yacc.pyc differ diff --git a/solve/ply-2.2/setup.py b/solve/ply-2.2/setup.py new file mode 100644 index 0000000..0e74964 --- /dev/null +++ b/solve/ply-2.2/setup.py @@ -0,0 +1,27 @@ +from distutils.core import setup + +setup(name = "ply", + description="Python Lex & Yacc", + long_description = """ +PLY is yet another implementation of lex and yacc for Python. Although several other +parsing tools are available for Python, there are several reasons why you might +want to take a look at PLY: + +It's implemented entirely in Python. + +It uses LR-parsing which is reasonably efficient and well suited for larger grammars. + +PLY provides most of the standard lex/yacc features including support for empty +productions, precedence rules, error recovery, and support for ambiguous grammars. + +PLY is extremely easy to use and provides very extensive error checking. +""", + license="""Lesser GPL (LGPL)""", + version = "2.2", + author = "David Beazley", + author_email = "dave@dabeaz.com", + maintainer = "David Beazley", + maintainer_email = "dave@dabeaz.com", + url = "http://www.dabeaz.com/ply/", + packages = ['ply'], + ) diff --git a/solve/ply-2.2/test/README b/solve/ply-2.2/test/README new file mode 100644 index 0000000..aac12b0 --- /dev/null +++ b/solve/ply-2.2/test/README @@ -0,0 +1,11 @@ +This directory mostly contains tests for various types of error +conditions. To run: + + $ python testlex.py . + $ python testyacc.py . + +The tests can also be run using the Python unittest module. + + $ python rununit.py + +The script 'cleanup.sh' cleans up this directory to its original state. diff --git a/solve/ply-2.2/test/calclex.py b/solve/ply-2.2/test/calclex.py new file mode 100644 index 0000000..2550734 --- /dev/null +++ b/solve/ply-2.2/test/calclex.py @@ -0,0 +1,49 @@ +# ----------------------------------------------------------------------------- +# calclex.py +# ----------------------------------------------------------------------------- +import sys + +sys.path.append("..") +import ply.lex as lex + +tokens = ( + 'NAME','NUMBER', + 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', + 'LPAREN','RPAREN', + ) + +# Tokens + +t_PLUS = r'\+' +t_MINUS = r'-' +t_TIMES = r'\*' +t_DIVIDE = r'/' +t_EQUALS = r'=' +t_LPAREN = r'\(' +t_RPAREN = r'\)' +t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' + +def t_NUMBER(t): + r'\d+' + try: + t.value = int(t.value) + except ValueError: + print "Integer value too large", t.value + t.value = 0 + return t + +t_ignore = " \t" + +def t_newline(t): + r'\n+' + t.lineno += t.value.count("\n") + +def t_error(t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + +# Build the lexer +lex.lex() + + + diff --git a/solve/ply-2.2/test/cleanup.sh b/solve/ply-2.2/test/cleanup.sh new file mode 100755 index 0000000..d7d99b6 --- /dev/null +++ b/solve/ply-2.2/test/cleanup.sh @@ -0,0 +1,4 @@ +#!/bin/sh + +rm -f *~ *.pyc *.dif *.out + diff --git a/solve/ply-2.2/test/lex_doc1.exp b/solve/ply-2.2/test/lex_doc1.exp new file mode 100644 index 0000000..5b63c1e --- /dev/null +++ b/solve/ply-2.2/test/lex_doc1.exp @@ -0,0 +1 @@ +./lex_doc1.py:18: No regular expression defined for rule 't_NUMBER' diff --git a/solve/ply-2.2/test/lex_doc1.py b/solve/ply-2.2/test/lex_doc1.py new file mode 100644 index 0000000..3951b5c --- /dev/null +++ b/solve/ply-2.2/test/lex_doc1.py @@ -0,0 +1,30 @@ +# lex_token.py +# +# Missing documentation string + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +def t_NUMBER(t): + pass + +def t_error(t): + pass + + +import sys +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_dup1.exp b/solve/ply-2.2/test/lex_dup1.exp new file mode 100644 index 0000000..2098a40 --- /dev/null +++ b/solve/ply-2.2/test/lex_dup1.exp @@ -0,0 +1,2 @@ +./lex_dup1.py:20: Rule t_NUMBER redefined. Previously defined on line 18 +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_dup1.py b/solve/ply-2.2/test/lex_dup1.py new file mode 100644 index 0000000..68f8092 --- /dev/null +++ b/solve/ply-2.2/test/lex_dup1.py @@ -0,0 +1,29 @@ +# lex_token.py +# +# Duplicated rule specifiers + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +t_NUMBER = r'\d+' + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_dup2.exp b/solve/ply-2.2/test/lex_dup2.exp new file mode 100644 index 0000000..d327cfe --- /dev/null +++ b/solve/ply-2.2/test/lex_dup2.exp @@ -0,0 +1,2 @@ +./lex_dup2.py:22: Rule t_NUMBER redefined. Previously defined on line 18 +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_dup2.py b/solve/ply-2.2/test/lex_dup2.py new file mode 100644 index 0000000..f4d346e --- /dev/null +++ b/solve/ply-2.2/test/lex_dup2.py @@ -0,0 +1,33 @@ +# lex_token.py +# +# Duplicated rule specifiers + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +def t_NUMBER(t): + r'\d+' + pass + +def t_NUMBER(t): + r'\d+' + pass + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_dup3.exp b/solve/ply-2.2/test/lex_dup3.exp new file mode 100644 index 0000000..ec0680c --- /dev/null +++ b/solve/ply-2.2/test/lex_dup3.exp @@ -0,0 +1,2 @@ +./lex_dup3.py:20: Rule t_NUMBER redefined. Previously defined on line 18 +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_dup3.py b/solve/ply-2.2/test/lex_dup3.py new file mode 100644 index 0000000..e17b520 --- /dev/null +++ b/solve/ply-2.2/test/lex_dup3.py @@ -0,0 +1,31 @@ +# lex_token.py +# +# Duplicated rule specifiers + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_NUMBER(t): + r'\d+' + pass + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_empty.exp b/solve/ply-2.2/test/lex_empty.exp new file mode 100644 index 0000000..af38602 --- /dev/null +++ b/solve/ply-2.2/test/lex_empty.exp @@ -0,0 +1 @@ +SyntaxError: lex: no rules of the form t_rulename are defined. diff --git a/solve/ply-2.2/test/lex_empty.py b/solve/ply-2.2/test/lex_empty.py new file mode 100644 index 0000000..96625f7 --- /dev/null +++ b/solve/ply-2.2/test/lex_empty.py @@ -0,0 +1,20 @@ +# lex_token.py +# +# No rules defined + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_error1.exp b/solve/ply-2.2/test/lex_error1.exp new file mode 100644 index 0000000..baa19e5 --- /dev/null +++ b/solve/ply-2.2/test/lex_error1.exp @@ -0,0 +1 @@ +lex: Warning. no t_error rule is defined. diff --git a/solve/ply-2.2/test/lex_error1.py b/solve/ply-2.2/test/lex_error1.py new file mode 100644 index 0000000..a99d9be --- /dev/null +++ b/solve/ply-2.2/test/lex_error1.py @@ -0,0 +1,24 @@ +# lex_token.py +# +# Missing t_error() rule + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_error2.exp b/solve/ply-2.2/test/lex_error2.exp new file mode 100644 index 0000000..fb1b55c --- /dev/null +++ b/solve/ply-2.2/test/lex_error2.exp @@ -0,0 +1 @@ +SyntaxError: lex: Rule 't_error' must be defined as a function diff --git a/solve/ply-2.2/test/lex_error2.py b/solve/ply-2.2/test/lex_error2.py new file mode 100644 index 0000000..a59c8d4 --- /dev/null +++ b/solve/ply-2.2/test/lex_error2.py @@ -0,0 +1,26 @@ +# lex_token.py +# +# t_error defined, but not function + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +t_error = "foo" + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_error3.exp b/solve/ply-2.2/test/lex_error3.exp new file mode 100644 index 0000000..1b482bf --- /dev/null +++ b/solve/ply-2.2/test/lex_error3.exp @@ -0,0 +1,2 @@ +./lex_error3.py:20: Rule 't_error' requires an argument. +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_error3.py b/solve/ply-2.2/test/lex_error3.py new file mode 100644 index 0000000..584600f --- /dev/null +++ b/solve/ply-2.2/test/lex_error3.py @@ -0,0 +1,27 @@ +# lex_token.py +# +# t_error defined as function, but with wrong # args + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_error(): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_error4.exp b/solve/ply-2.2/test/lex_error4.exp new file mode 100644 index 0000000..98505a2 --- /dev/null +++ b/solve/ply-2.2/test/lex_error4.exp @@ -0,0 +1,2 @@ +./lex_error4.py:20: Rule 't_error' has too many arguments. +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_error4.py b/solve/ply-2.2/test/lex_error4.py new file mode 100644 index 0000000..d05de74 --- /dev/null +++ b/solve/ply-2.2/test/lex_error4.py @@ -0,0 +1,27 @@ +# lex_token.py +# +# t_error defined as function, but too many args + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_error(t,s): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_hedit.exp b/solve/ply-2.2/test/lex_hedit.exp new file mode 100644 index 0000000..7b27dcb --- /dev/null +++ b/solve/ply-2.2/test/lex_hedit.exp @@ -0,0 +1,3 @@ +(H_EDIT_DESCRIPTOR,'abc',1,0) +(H_EDIT_DESCRIPTOR,'abcdefghij',1,6) +(H_EDIT_DESCRIPTOR,'xy',1,20) diff --git a/solve/ply-2.2/test/lex_hedit.py b/solve/ply-2.2/test/lex_hedit.py new file mode 100644 index 0000000..0f87423 --- /dev/null +++ b/solve/ply-2.2/test/lex_hedit.py @@ -0,0 +1,47 @@ +# ----------------------------------------------------------------------------- +# hedit.py +# +# Paring of Fortran H Edit descriptions (Contributed by Pearu Peterson) +# +# These tokens can't be easily tokenized because they are of the following +# form: +# +# nHc1...cn +# +# where n is a positive integer and c1 ... cn are characters. +# +# This example shows how to modify the state of the lexer to parse +# such tokens +# ----------------------------------------------------------------------------- +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = ( + 'H_EDIT_DESCRIPTOR', + ) + +# Tokens +t_ignore = " \t\n" + +def t_H_EDIT_DESCRIPTOR(t): + r"\d+H.*" # This grabs all of the remaining text + i = t.value.index('H') + n = eval(t.value[:i]) + + # Adjust the tokenizing position + t.lexer.lexpos -= len(t.value) - (i+1+n) + t.value = t.value[i+1:i+1+n] + return t + +def t_error(t): + print "Illegal character '%s'" % t.value[0] + t.lexer.skip(1) + +# Build the lexer +lex.lex() +lex.runmain(data="3Habc 10Habcdefghij 2Hxy") + + + diff --git a/solve/ply-2.2/test/lex_ignore.exp b/solve/ply-2.2/test/lex_ignore.exp new file mode 100644 index 0000000..85e2961 --- /dev/null +++ b/solve/ply-2.2/test/lex_ignore.exp @@ -0,0 +1,7 @@ +./lex_ignore.py:20: Rule 't_ignore' must be defined as a string. +Traceback (most recent call last): + File "./lex_ignore.py", line 29, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_ignore.py b/solve/ply-2.2/test/lex_ignore.py new file mode 100644 index 0000000..94b0266 --- /dev/null +++ b/solve/ply-2.2/test/lex_ignore.py @@ -0,0 +1,31 @@ +# lex_token.py +# +# Improperly specific ignore declaration + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_ignore(t): + ' \t' + pass + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_nowarn.exp b/solve/ply-2.2/test/lex_nowarn.exp new file mode 100644 index 0000000..e69de29 diff --git a/solve/ply-2.2/test/lex_nowarn.py b/solve/ply-2.2/test/lex_nowarn.py new file mode 100644 index 0000000..d60d31c --- /dev/null +++ b/solve/ply-2.2/test/lex_nowarn.py @@ -0,0 +1,30 @@ +# lex_token.py +# +# Missing t_error() rule + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + "NUMBER", + ] + +states = (('foo','exclusive'),) + +t_ignore = ' \t' +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +t_foo_NUMBER = r'\d+' + +sys.tracebacklimit = 0 + +lex.lex(nowarn=1) + + diff --git a/solve/ply-2.2/test/lex_re1.exp b/solve/ply-2.2/test/lex_re1.exp new file mode 100644 index 0000000..b9e621c --- /dev/null +++ b/solve/ply-2.2/test/lex_re1.exp @@ -0,0 +1,7 @@ +lex: Invalid regular expression for rule 't_NUMBER'. unbalanced parenthesis +Traceback (most recent call last): + File "./lex_re1.py", line 25, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_re1.py b/solve/ply-2.2/test/lex_re1.py new file mode 100644 index 0000000..9e544fe --- /dev/null +++ b/solve/ply-2.2/test/lex_re1.py @@ -0,0 +1,27 @@ +# lex_token.py +# +# Bad regular expression in a string + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'(\d+' + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_re2.exp b/solve/ply-2.2/test/lex_re2.exp new file mode 100644 index 0000000..7ba89b4 --- /dev/null +++ b/solve/ply-2.2/test/lex_re2.exp @@ -0,0 +1,7 @@ +lex: Regular expression for rule 't_PLUS' matches empty string. +Traceback (most recent call last): + File "./lex_re2.py", line 25, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_re2.py b/solve/ply-2.2/test/lex_re2.py new file mode 100644 index 0000000..522b415 --- /dev/null +++ b/solve/ply-2.2/test/lex_re2.py @@ -0,0 +1,27 @@ +# lex_token.py +# +# Regular expression rule matches empty string + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+?' +t_MINUS = r'-' +t_NUMBER = r'(\d+)' + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_re3.exp b/solve/ply-2.2/test/lex_re3.exp new file mode 100644 index 0000000..7cdcae4 --- /dev/null +++ b/solve/ply-2.2/test/lex_re3.exp @@ -0,0 +1,8 @@ +lex: Invalid regular expression for rule 't_POUND'. unbalanced parenthesis +lex: Make sure '#' in rule 't_POUND' is escaped with '\#'. +Traceback (most recent call last): + File "./lex_re3.py", line 27, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_re3.py b/solve/ply-2.2/test/lex_re3.py new file mode 100644 index 0000000..099e156 --- /dev/null +++ b/solve/ply-2.2/test/lex_re3.py @@ -0,0 +1,29 @@ +# lex_token.py +# +# Regular expression rule matches empty string + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + "POUND", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'(\d+)' +t_POUND = r'#' + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_rule1.exp b/solve/ply-2.2/test/lex_rule1.exp new file mode 100644 index 0000000..0c23ca2 --- /dev/null +++ b/solve/ply-2.2/test/lex_rule1.exp @@ -0,0 +1,2 @@ +lex: t_NUMBER not defined as a function or string +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_rule1.py b/solve/ply-2.2/test/lex_rule1.py new file mode 100644 index 0000000..e49a15b --- /dev/null +++ b/solve/ply-2.2/test/lex_rule1.py @@ -0,0 +1,27 @@ +# lex_token.py +# +# Rule defined as some other type + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = 1 + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state1.exp b/solve/ply-2.2/test/lex_state1.exp new file mode 100644 index 0000000..8b58050 --- /dev/null +++ b/solve/ply-2.2/test/lex_state1.exp @@ -0,0 +1,7 @@ +lex: states must be defined as a tuple or list. +Traceback (most recent call last): + File "./lex_state1.py", line 38, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_state1.py b/solve/ply-2.2/test/lex_state1.py new file mode 100644 index 0000000..7eb2976 --- /dev/null +++ b/solve/ply-2.2/test/lex_state1.py @@ -0,0 +1,40 @@ +# lex_state1.py +# +# Bad state declaration + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +states = 'comment' + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state2.exp b/solve/ply-2.2/test/lex_state2.exp new file mode 100644 index 0000000..11c33a7 --- /dev/null +++ b/solve/ply-2.2/test/lex_state2.exp @@ -0,0 +1,8 @@ +lex: invalid state specifier 'comment'. Must be a tuple (statename,'exclusive|inclusive') +lex: invalid state specifier 'example'. Must be a tuple (statename,'exclusive|inclusive') +Traceback (most recent call last): + File "./lex_state2.py", line 38, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_state2.py b/solve/ply-2.2/test/lex_state2.py new file mode 100644 index 0000000..b76b0db --- /dev/null +++ b/solve/ply-2.2/test/lex_state2.py @@ -0,0 +1,40 @@ +# lex_state2.py +# +# Bad state declaration + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +states = ('comment','example') + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state3.exp b/solve/ply-2.2/test/lex_state3.exp new file mode 100644 index 0000000..2c3442c --- /dev/null +++ b/solve/ply-2.2/test/lex_state3.exp @@ -0,0 +1,8 @@ +lex: state name 1 must be a string +lex: No rules defined for state 'example' +Traceback (most recent call last): + File "./lex_state3.py", line 40, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_state3.py b/solve/ply-2.2/test/lex_state3.py new file mode 100644 index 0000000..fb4ce6c --- /dev/null +++ b/solve/ply-2.2/test/lex_state3.py @@ -0,0 +1,42 @@ +# lex_state2.py +# +# Bad state declaration + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +comment = 1 +states = ((comment, 'inclusive'), + ('example', 'exclusive')) + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state4.exp b/solve/ply-2.2/test/lex_state4.exp new file mode 100644 index 0000000..7497a47 --- /dev/null +++ b/solve/ply-2.2/test/lex_state4.exp @@ -0,0 +1,7 @@ +lex: state type for state comment must be 'inclusive' or 'exclusive' +Traceback (most recent call last): + File "./lex_state4.py", line 39, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_state4.py b/solve/ply-2.2/test/lex_state4.py new file mode 100644 index 0000000..0993aa9 --- /dev/null +++ b/solve/ply-2.2/test/lex_state4.py @@ -0,0 +1,41 @@ +# lex_state2.py +# +# Bad state declaration + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +comment = 1 +states = (('comment', 'exclsive'),) + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state5.exp b/solve/ply-2.2/test/lex_state5.exp new file mode 100644 index 0000000..e9e43e8 --- /dev/null +++ b/solve/ply-2.2/test/lex_state5.exp @@ -0,0 +1,7 @@ +lex: state 'comment' already defined. +Traceback (most recent call last): + File "./lex_state5.py", line 40, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_state5.py b/solve/ply-2.2/test/lex_state5.py new file mode 100644 index 0000000..c3c1cbf --- /dev/null +++ b/solve/ply-2.2/test/lex_state5.py @@ -0,0 +1,42 @@ +# lex_state2.py +# +# Bad state declaration + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +comment = 1 +states = (('comment', 'exclusive'), + ('comment', 'exclusive')) + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state_noerror.exp b/solve/ply-2.2/test/lex_state_noerror.exp new file mode 100644 index 0000000..e14149f --- /dev/null +++ b/solve/ply-2.2/test/lex_state_noerror.exp @@ -0,0 +1 @@ +lex: Warning. no error rule is defined for exclusive state 'comment' diff --git a/solve/ply-2.2/test/lex_state_noerror.py b/solve/ply-2.2/test/lex_state_noerror.py new file mode 100644 index 0000000..853b157 --- /dev/null +++ b/solve/ply-2.2/test/lex_state_noerror.py @@ -0,0 +1,41 @@ +# lex_state2.py +# +# Declaration of a state for which no rules are defined + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +comment = 1 +states = (('comment', 'exclusive'),) + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state_norule.exp b/solve/ply-2.2/test/lex_state_norule.exp new file mode 100644 index 0000000..a8ff4ca --- /dev/null +++ b/solve/ply-2.2/test/lex_state_norule.exp @@ -0,0 +1,7 @@ +lex: No rules defined for state 'example' +Traceback (most recent call last): + File "./lex_state_norule.py", line 40, in ? + lex.lex() + File "../ply/lex.py", line 758, in lex + raise SyntaxError,"lex: Unable to build lexer." +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_state_norule.py b/solve/ply-2.2/test/lex_state_norule.py new file mode 100644 index 0000000..e48a319 --- /dev/null +++ b/solve/ply-2.2/test/lex_state_norule.py @@ -0,0 +1,42 @@ +# lex_state2.py +# +# Declaration of a state for which no rules are defined + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +comment = 1 +states = (('comment', 'exclusive'), + ('example', 'exclusive')) + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +import sys + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_state_try.exp b/solve/ply-2.2/test/lex_state_try.exp new file mode 100644 index 0000000..65f2e38 --- /dev/null +++ b/solve/ply-2.2/test/lex_state_try.exp @@ -0,0 +1,7 @@ +(NUMBER,'3',1,0) +(PLUS,'+',1,2) +(NUMBER,'4',1,4) +Entering comment state +comment body LexToken(comment_body_part,'This is a comment */',1,9) +(PLUS,'+',1,30) +(NUMBER,'10',1,32) diff --git a/solve/ply-2.2/test/lex_state_try.py b/solve/ply-2.2/test/lex_state_try.py new file mode 100644 index 0000000..a16403e --- /dev/null +++ b/solve/ply-2.2/test/lex_state_try.py @@ -0,0 +1,48 @@ +# lex_state2.py +# +# Declaration of a state for which no rules are defined + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +comment = 1 +states = (('comment', 'exclusive'),) + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +t_ignore = " \t" + +# Comments +def t_comment(t): + r'/\*' + t.lexer.begin('comment') + print "Entering comment state" + +def t_comment_body_part(t): + r'(.|\n)*\*/' + print "comment body", t + t.lexer.begin('INITIAL') + +def t_error(t): + pass + +t_comment_error = t_error +t_comment_ignore = t_ignore + +import sys + +lex.lex() + +data = "3 + 4 /* This is a comment */ + 10" + +lex.runmain(data=data) diff --git a/solve/ply-2.2/test/lex_token1.exp b/solve/ply-2.2/test/lex_token1.exp new file mode 100644 index 0000000..3792831 --- /dev/null +++ b/solve/ply-2.2/test/lex_token1.exp @@ -0,0 +1 @@ +SyntaxError: lex: module does not define 'tokens' diff --git a/solve/ply-2.2/test/lex_token1.py b/solve/ply-2.2/test/lex_token1.py new file mode 100644 index 0000000..380c31c --- /dev/null +++ b/solve/ply-2.2/test/lex_token1.py @@ -0,0 +1,21 @@ +# lex_token.py +# +# Tests for absence of tokens variable + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_token2.exp b/solve/ply-2.2/test/lex_token2.exp new file mode 100644 index 0000000..3f98fe5 --- /dev/null +++ b/solve/ply-2.2/test/lex_token2.exp @@ -0,0 +1 @@ +SyntaxError: lex: tokens must be a list or tuple. diff --git a/solve/ply-2.2/test/lex_token2.py b/solve/ply-2.2/test/lex_token2.py new file mode 100644 index 0000000..87db8a0 --- /dev/null +++ b/solve/ply-2.2/test/lex_token2.py @@ -0,0 +1,23 @@ +# lex_token.py +# +# Tests for tokens of wrong type + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = "PLUS MINUS NUMBER" + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_token3.exp b/solve/ply-2.2/test/lex_token3.exp new file mode 100644 index 0000000..d991d3c --- /dev/null +++ b/solve/ply-2.2/test/lex_token3.exp @@ -0,0 +1,2 @@ +lex: Rule 't_MINUS' defined for an unspecified token MINUS. +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_token3.py b/solve/ply-2.2/test/lex_token3.py new file mode 100644 index 0000000..27ce947 --- /dev/null +++ b/solve/ply-2.2/test/lex_token3.py @@ -0,0 +1,27 @@ +# lex_token.py +# +# tokens is right type, but is missing a token for one rule + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_error(t): + pass + + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_token4.exp b/solve/ply-2.2/test/lex_token4.exp new file mode 100644 index 0000000..3dd88e0 --- /dev/null +++ b/solve/ply-2.2/test/lex_token4.exp @@ -0,0 +1,2 @@ +lex: Bad token name '-' +SyntaxError: lex: Unable to build lexer. diff --git a/solve/ply-2.2/test/lex_token4.py b/solve/ply-2.2/test/lex_token4.py new file mode 100644 index 0000000..612ff13 --- /dev/null +++ b/solve/ply-2.2/test/lex_token4.py @@ -0,0 +1,28 @@ +# lex_token.py +# +# Bad token name + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "-", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' +t_NUMBER = r'\d+' + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() + + diff --git a/solve/ply-2.2/test/lex_token5.exp b/solve/ply-2.2/test/lex_token5.exp new file mode 100644 index 0000000..2f03889 --- /dev/null +++ b/solve/ply-2.2/test/lex_token5.exp @@ -0,0 +1 @@ +ply.lex.LexError: ./lex_token5.py:19: Rule 't_NUMBER' returned an unknown token type 'NUM' diff --git a/solve/ply-2.2/test/lex_token5.py b/solve/ply-2.2/test/lex_token5.py new file mode 100644 index 0000000..77fabde --- /dev/null +++ b/solve/ply-2.2/test/lex_token5.py @@ -0,0 +1,33 @@ +# lex_token.py +# +# Return a bad token name + +import sys +sys.path.insert(0,"..") + +import ply.lex as lex + +tokens = [ + "PLUS", + "MINUS", + "NUMBER", + ] + +t_PLUS = r'\+' +t_MINUS = r'-' + +def t_NUMBER(t): + r'\d+' + t.type = "NUM" + return t + +def t_error(t): + pass + +sys.tracebacklimit = 0 + +lex.lex() +lex.input("1234") +t = lex.token() + + diff --git a/solve/ply-2.2/test/rununit.py b/solve/ply-2.2/test/rununit.py new file mode 100644 index 0000000..d6b36fd --- /dev/null +++ b/solve/ply-2.2/test/rununit.py @@ -0,0 +1,62 @@ +#!/usr/bin/env python +'''Script to run all tests using python "unittest" module''' + +__author__ = "Miki Tebeka " + +from unittest import TestCase, main, makeSuite, TestSuite +from os import popen, environ, remove +from glob import glob +from sys import executable, argv +from os.path import isfile, basename, splitext + +# Add path to lex.py and yacc.py +environ["PYTHONPATH"] = ".." + +class PLYTest(TestCase): + '''General test case for PLY test''' + def _runtest(self, filename): + '''Run a single test file an compare result''' + exp_file = filename.replace(".py", ".exp") + self.failUnless(isfile(exp_file), "can't find %s" % exp_file) + pipe = popen("%s %s 2>&1" % (executable, filename)) + out = pipe.read().strip() + self.failUnlessEqual(out, open(exp_file).read().strip()) + + +class LexText(PLYTest): + '''Testing Lex''' + pass + +class YaccTest(PLYTest): + '''Testing Yacc''' + + def tearDown(self): + '''Cleanup parsetab.py[c] file''' + for ext in (".py", ".pyc"): + fname = "parsetab%s" % ext + if isfile(fname): + remove(fname) + +def add_test(klass, filename): + '''Add a test to TestCase class''' + def t(self): + self._runtest(filename) + # Test name is test_FILENAME without the ./ and without the .py + setattr(klass, "test_%s" % (splitext(basename(filename))[0]), t) + +# Add lex tests +for file in glob("./lex_*.py"): + add_test(LexText, file) +lex_suite = makeSuite(LexText, "test_") + +# Add yacc tests +for file in glob("./yacc_*.py"): + add_test(YaccTest, file) +yacc_suite = makeSuite(YaccTest, "test_") + +# All tests suite +test_suite = TestSuite((lex_suite, yacc_suite)) + +if __name__ == "__main__": + main() + diff --git a/solve/ply-2.2/test/testlex.py b/solve/ply-2.2/test/testlex.py new file mode 100755 index 0000000..2dae47a --- /dev/null +++ b/solve/ply-2.2/test/testlex.py @@ -0,0 +1,57 @@ +#!/usr/local/bin +# ---------------------------------------------------------------------- +# testlex.py +# +# Run tests for the lexing module +# ---------------------------------------------------------------------- + +import sys,os,glob + +if len(sys.argv) < 2: + print "Usage: python testlex.py directory" + raise SystemExit + +dirname = None +make = 0 + +for o in sys.argv[1:]: + if o == '-make': + make = 1 + else: + dirname = o + break + +if not dirname: + print "Usage: python testlex.py [-make] directory" + raise SystemExit + +f = glob.glob("%s/%s" % (dirname,"lex_*.py")) + +print "**** Running tests for lex ****" + +for t in f: + name = t[:-3] + print "Testing %-32s" % name, + if make: + if not os.path.exists("%s.exp" % name): + os.system("python %s.py >%s.exp 2>&1" % (name,name)) + passed = 1 + else: + os.system("python %s.py >%s.out 2>&1" % (name,name)) + a = os.system("diff %s.out %s.exp >%s.dif" % (name,name,name)) + if a == 0: + passed = 1 + else: + passed = 0 + + if passed: + print "Passed" + else: + print "Failed. See %s.dif" % name + + + + + + + diff --git a/solve/ply-2.2/test/testyacc.py b/solve/ply-2.2/test/testyacc.py new file mode 100644 index 0000000..f976ff5 --- /dev/null +++ b/solve/ply-2.2/test/testyacc.py @@ -0,0 +1,58 @@ +#!/usr/local/bin +# ---------------------------------------------------------------------- +# testyacc.py +# +# Run tests for the yacc module +# ---------------------------------------------------------------------- + +import sys,os,glob + +if len(sys.argv) < 2: + print "Usage: python testyacc.py directory" + raise SystemExit + +dirname = None +make = 0 + +for o in sys.argv[1:]: + if o == '-make': + make = 1 + else: + dirname = o + break + +if not dirname: + print "Usage: python testyacc.py [-make] directory" + raise SystemExit + +f = glob.glob("%s/%s" % (dirname,"yacc_*.py")) + +print "**** Running tests for yacc ****" + +for t in f: + name = t[:-3] + print "Testing %-32s" % name, + os.system("rm -f %s/parsetab.*" % dirname) + if make: + if not os.path.exists("%s.exp" % name): + os.system("python %s.py >%s.exp 2>&1" % (name,name)) + passed = 1 + else: + os.system("python %s.py >%s.out 2>&1" % (name,name)) + a = os.system("diff %s.out %s.exp >%s.dif" % (name,name,name)) + if a == 0: + passed = 1 + else: + passed = 0 + + if passed: + print "Passed" + else: + print "Failed. See %s.dif" % name + + + + + + + diff --git a/solve/ply-2.2/test/yacc_badargs.exp b/solve/ply-2.2/test/yacc_badargs.exp new file mode 100644 index 0000000..e994676 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badargs.exp @@ -0,0 +1,3 @@ +./yacc_badargs.py:23: Rule 'p_statement_assign' has too many arguments. +./yacc_badargs.py:27: Rule 'p_statement_expr' requires an argument. +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_badargs.py b/solve/ply-2.2/test/yacc_badargs.py new file mode 100644 index 0000000..810e529 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badargs.py @@ -0,0 +1,68 @@ +# ----------------------------------------------------------------------------- +# yacc_badargs.py +# +# Rules with wrong # args +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t,s): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_badprec.exp b/solve/ply-2.2/test/yacc_badprec.exp new file mode 100644 index 0000000..f4f574b --- /dev/null +++ b/solve/ply-2.2/test/yacc_badprec.exp @@ -0,0 +1 @@ +ply.yacc.YaccError: precedence must be a list or tuple. diff --git a/solve/ply-2.2/test/yacc_badprec.py b/solve/ply-2.2/test/yacc_badprec.py new file mode 100644 index 0000000..8f64652 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badprec.py @@ -0,0 +1,65 @@ +# ----------------------------------------------------------------------------- +# yacc_badprec.py +# +# Bad precedence specifier +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = "blah" + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_badprec2.exp b/solve/ply-2.2/test/yacc_badprec2.exp new file mode 100644 index 0000000..8fac075 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badprec2.exp @@ -0,0 +1,3 @@ +yacc: Invalid precedence table. +yacc: Generating LALR parsing table... +yacc: 8 shift/reduce conflicts diff --git a/solve/ply-2.2/test/yacc_badprec2.py b/solve/ply-2.2/test/yacc_badprec2.py new file mode 100644 index 0000000..206bda7 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badprec2.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_badprec2.py +# +# Bad precedence +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + 42, + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_badrule.exp b/solve/ply-2.2/test/yacc_badrule.exp new file mode 100644 index 0000000..a87bf7d --- /dev/null +++ b/solve/ply-2.2/test/yacc_badrule.exp @@ -0,0 +1,5 @@ +./yacc_badrule.py:25: Syntax error. Expected ':' +./yacc_badrule.py:29: Syntax error in rule 'statement' +./yacc_badrule.py:34: Syntax error. Expected ':' +./yacc_badrule.py:43: Syntax error. Expected ':' +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_badrule.py b/solve/ply-2.2/test/yacc_badrule.py new file mode 100644 index 0000000..f5fef8a --- /dev/null +++ b/solve/ply-2.2/test/yacc_badrule.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_badrule.py +# +# Syntax problems in the rule strings +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression: MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_badtok.exp b/solve/ply-2.2/test/yacc_badtok.exp new file mode 100644 index 0000000..ccdc0e7 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badtok.exp @@ -0,0 +1 @@ +ply.yacc.YaccError: tokens must be a list or tuple. diff --git a/solve/ply-2.2/test/yacc_badtok.py b/solve/ply-2.2/test/yacc_badtok.py new file mode 100644 index 0000000..4f2af51 --- /dev/null +++ b/solve/ply-2.2/test/yacc_badtok.py @@ -0,0 +1,70 @@ +# ----------------------------------------------------------------------------- +# yacc_badtok.py +# +# A grammar, but tokens is a bad datatype +# ----------------------------------------------------------------------------- + +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +tokens = "Hello" + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_dup.exp b/solve/ply-2.2/test/yacc_dup.exp new file mode 100644 index 0000000..fdfb210 --- /dev/null +++ b/solve/ply-2.2/test/yacc_dup.exp @@ -0,0 +1,4 @@ +./yacc_dup.py:28: Function p_statement redefined. Previously defined on line 24 +yacc: Warning. Token 'EQUALS' defined, but not used. +yacc: Warning. There is 1 unused token. +yacc: Generating LALR parsing table... diff --git a/solve/ply-2.2/test/yacc_dup.py b/solve/ply-2.2/test/yacc_dup.py new file mode 100644 index 0000000..e0b683d --- /dev/null +++ b/solve/ply-2.2/test/yacc_dup.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_dup.py +# +# Duplicated rule name +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_error1.exp b/solve/ply-2.2/test/yacc_error1.exp new file mode 100644 index 0000000..13bed04 --- /dev/null +++ b/solve/ply-2.2/test/yacc_error1.exp @@ -0,0 +1 @@ +ply.yacc.YaccError: ./yacc_error1.py:62: p_error() requires 1 argument. diff --git a/solve/ply-2.2/test/yacc_error1.py b/solve/ply-2.2/test/yacc_error1.py new file mode 100644 index 0000000..2768fc1 --- /dev/null +++ b/solve/ply-2.2/test/yacc_error1.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_error1.py +# +# Bad p_error() function +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t,s): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_error2.exp b/solve/ply-2.2/test/yacc_error2.exp new file mode 100644 index 0000000..4a7628d --- /dev/null +++ b/solve/ply-2.2/test/yacc_error2.exp @@ -0,0 +1 @@ +ply.yacc.YaccError: ./yacc_error2.py:62: p_error() requires 1 argument. diff --git a/solve/ply-2.2/test/yacc_error2.py b/solve/ply-2.2/test/yacc_error2.py new file mode 100644 index 0000000..8f3a052 --- /dev/null +++ b/solve/ply-2.2/test/yacc_error2.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_error1.py +# +# Bad p_error() function +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_error3.exp b/solve/ply-2.2/test/yacc_error3.exp new file mode 100644 index 0000000..7fca2fe --- /dev/null +++ b/solve/ply-2.2/test/yacc_error3.exp @@ -0,0 +1 @@ +ply.yacc.YaccError: 'p_error' defined, but is not a function or method. diff --git a/solve/ply-2.2/test/yacc_error3.py b/solve/ply-2.2/test/yacc_error3.py new file mode 100644 index 0000000..b387de5 --- /dev/null +++ b/solve/ply-2.2/test/yacc_error3.py @@ -0,0 +1,68 @@ +# ----------------------------------------------------------------------------- +# yacc_error1.py +# +# Bad p_error() function +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +p_error = "blah" + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_inf.exp b/solve/ply-2.2/test/yacc_inf.exp new file mode 100644 index 0000000..88cfa4a --- /dev/null +++ b/solve/ply-2.2/test/yacc_inf.exp @@ -0,0 +1,5 @@ +yacc: Warning. Token 'NUMBER' defined, but not used. +yacc: Warning. There is 1 unused token. +yacc: Infinite recursion detected for symbol 'statement'. +yacc: Infinite recursion detected for symbol 'expression'. +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_inf.py b/solve/ply-2.2/test/yacc_inf.py new file mode 100644 index 0000000..9b9aef7 --- /dev/null +++ b/solve/ply-2.2/test/yacc_inf.py @@ -0,0 +1,57 @@ +# ----------------------------------------------------------------------------- +# yacc_inf.py +# +# Infinite recursion +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_missing1.exp b/solve/ply-2.2/test/yacc_missing1.exp new file mode 100644 index 0000000..de63d4f --- /dev/null +++ b/solve/ply-2.2/test/yacc_missing1.exp @@ -0,0 +1,2 @@ +./yacc_missing1.py:25: Symbol 'location' used, but not defined as a token or a rule. +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_missing1.py b/solve/ply-2.2/test/yacc_missing1.py new file mode 100644 index 0000000..fbc54d8 --- /dev/null +++ b/solve/ply-2.2/test/yacc_missing1.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_missing1.py +# +# Grammar with a missing rule +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : location EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_nodoc.exp b/solve/ply-2.2/test/yacc_nodoc.exp new file mode 100644 index 0000000..889ccfc --- /dev/null +++ b/solve/ply-2.2/test/yacc_nodoc.exp @@ -0,0 +1,2 @@ +./yacc_nodoc.py:28: No documentation string specified in function 'p_statement_expr' +yacc: Generating LALR parsing table... diff --git a/solve/ply-2.2/test/yacc_nodoc.py b/solve/ply-2.2/test/yacc_nodoc.py new file mode 100644 index 0000000..4c5ab20 --- /dev/null +++ b/solve/ply-2.2/test/yacc_nodoc.py @@ -0,0 +1,68 @@ +# ----------------------------------------------------------------------------- +# yacc_nodoc.py +# +# Rule with a missing doc-string +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_noerror.exp b/solve/ply-2.2/test/yacc_noerror.exp new file mode 100644 index 0000000..658f907 --- /dev/null +++ b/solve/ply-2.2/test/yacc_noerror.exp @@ -0,0 +1,2 @@ +yacc: Generating LALR parsing table... +yacc: Warning. no p_error() function is defined. diff --git a/solve/ply-2.2/test/yacc_noerror.py b/solve/ply-2.2/test/yacc_noerror.py new file mode 100644 index 0000000..9c11838 --- /dev/null +++ b/solve/ply-2.2/test/yacc_noerror.py @@ -0,0 +1,67 @@ +# ----------------------------------------------------------------------------- +# yacc_noerror.py +# +# No p_error() rule defined. +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_nop.exp b/solve/ply-2.2/test/yacc_nop.exp new file mode 100644 index 0000000..515fff7 --- /dev/null +++ b/solve/ply-2.2/test/yacc_nop.exp @@ -0,0 +1,2 @@ +./yacc_nop.py:28: Warning. Possible grammar rule 'statement_expr' defined without p_ prefix. +yacc: Generating LALR parsing table... diff --git a/solve/ply-2.2/test/yacc_nop.py b/solve/ply-2.2/test/yacc_nop.py new file mode 100644 index 0000000..c0b431d --- /dev/null +++ b/solve/ply-2.2/test/yacc_nop.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_nop.py +# +# Possible grammar rule defined without p_ prefix +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_notfunc.exp b/solve/ply-2.2/test/yacc_notfunc.exp new file mode 100644 index 0000000..f73bc93 --- /dev/null +++ b/solve/ply-2.2/test/yacc_notfunc.exp @@ -0,0 +1,4 @@ +yacc: Warning. 'p_statement_assign' not defined as a function +yacc: Warning. Token 'EQUALS' defined, but not used. +yacc: Warning. There is 1 unused token. +yacc: Generating LALR parsing table... diff --git a/solve/ply-2.2/test/yacc_notfunc.py b/solve/ply-2.2/test/yacc_notfunc.py new file mode 100644 index 0000000..8389355 --- /dev/null +++ b/solve/ply-2.2/test/yacc_notfunc.py @@ -0,0 +1,67 @@ +# ----------------------------------------------------------------------------- +# yacc_notfunc.py +# +# p_rule not defined as a function +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +p_statement_assign = "Blah" + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_notok.exp b/solve/ply-2.2/test/yacc_notok.exp new file mode 100644 index 0000000..d2399fe --- /dev/null +++ b/solve/ply-2.2/test/yacc_notok.exp @@ -0,0 +1 @@ +ply.yacc.YaccError: module does not define a list 'tokens' diff --git a/solve/ply-2.2/test/yacc_notok.py b/solve/ply-2.2/test/yacc_notok.py new file mode 100644 index 0000000..e566a1b --- /dev/null +++ b/solve/ply-2.2/test/yacc_notok.py @@ -0,0 +1,68 @@ +# ----------------------------------------------------------------------------- +# yacc_notok.py +# +# A grammar, but we forgot to import the tokens list +# ----------------------------------------------------------------------------- + +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_rr.exp b/solve/ply-2.2/test/yacc_rr.exp new file mode 100644 index 0000000..f73cefd --- /dev/null +++ b/solve/ply-2.2/test/yacc_rr.exp @@ -0,0 +1,2 @@ +yacc: Generating LALR parsing table... +yacc: 1 reduce/reduce conflict diff --git a/solve/ply-2.2/test/yacc_rr.py b/solve/ply-2.2/test/yacc_rr.py new file mode 100644 index 0000000..bb8cba2 --- /dev/null +++ b/solve/ply-2.2/test/yacc_rr.py @@ -0,0 +1,73 @@ +# ----------------------------------------------------------------------------- +# yacc_rr.py +# +# A grammar with a reduce/reduce conflict +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_assign_2(t): + 'statement : NAME EQUALS NUMBER' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_simple.exp b/solve/ply-2.2/test/yacc_simple.exp new file mode 100644 index 0000000..3836031 --- /dev/null +++ b/solve/ply-2.2/test/yacc_simple.exp @@ -0,0 +1 @@ +yacc: Generating LALR parsing table... diff --git a/solve/ply-2.2/test/yacc_simple.py b/solve/ply-2.2/test/yacc_simple.py new file mode 100644 index 0000000..b5dc9f3 --- /dev/null +++ b/solve/ply-2.2/test/yacc_simple.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_simple.py +# +# A simple, properly specifier grammar +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_sr.exp b/solve/ply-2.2/test/yacc_sr.exp new file mode 100644 index 0000000..1b76450 --- /dev/null +++ b/solve/ply-2.2/test/yacc_sr.exp @@ -0,0 +1,2 @@ +yacc: Generating LALR parsing table... +yacc: 20 shift/reduce conflicts diff --git a/solve/ply-2.2/test/yacc_sr.py b/solve/ply-2.2/test/yacc_sr.py new file mode 100644 index 0000000..e2f03ec --- /dev/null +++ b/solve/ply-2.2/test/yacc_sr.py @@ -0,0 +1,64 @@ +# ----------------------------------------------------------------------------- +# yacc_sr.py +# +# A grammar with shift-reduce conflicts +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_term1.exp b/solve/ply-2.2/test/yacc_term1.exp new file mode 100644 index 0000000..40f9bdf --- /dev/null +++ b/solve/ply-2.2/test/yacc_term1.exp @@ -0,0 +1,2 @@ +./yacc_term1.py:25: Illegal rule name 'NUMBER'. Already defined as a token. +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_term1.py b/solve/ply-2.2/test/yacc_term1.py new file mode 100644 index 0000000..bbc52da --- /dev/null +++ b/solve/ply-2.2/test/yacc_term1.py @@ -0,0 +1,69 @@ +# ----------------------------------------------------------------------------- +# yacc_term1.py +# +# Terminal used on the left-hand-side +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'NUMBER : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_unused.exp b/solve/ply-2.2/test/yacc_unused.exp new file mode 100644 index 0000000..6caafd2 --- /dev/null +++ b/solve/ply-2.2/test/yacc_unused.exp @@ -0,0 +1,4 @@ +./yacc_unused.py:63: Symbol 'COMMA' used, but not defined as a token or a rule. +yacc: Symbol 'COMMA' is unreachable. +yacc: Symbol 'exprlist' is unreachable. +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_unused.py b/solve/ply-2.2/test/yacc_unused.py new file mode 100644 index 0000000..3a61f99 --- /dev/null +++ b/solve/ply-2.2/test/yacc_unused.py @@ -0,0 +1,78 @@ +# ----------------------------------------------------------------------------- +# yacc_unused.py +# +# A grammar with an unused rule +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules +precedence = ( + ('left','PLUS','MINUS'), + ('left','TIMES','DIVIDE'), + ('right','UMINUS'), + ) + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_expr_list(t): + 'exprlist : exprlist COMMA expression' + pass + +def p_expr_list_2(t): + 'exprlist : expression' + pass + + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/ply-2.2/test/yacc_uprec.exp b/solve/ply-2.2/test/yacc_uprec.exp new file mode 100644 index 0000000..eb9a398 --- /dev/null +++ b/solve/ply-2.2/test/yacc_uprec.exp @@ -0,0 +1,2 @@ +./yacc_uprec.py:38: Nothing known about the precedence of 'UMINUS' +ply.yacc.YaccError: Unable to construct parser. diff --git a/solve/ply-2.2/test/yacc_uprec.py b/solve/ply-2.2/test/yacc_uprec.py new file mode 100644 index 0000000..0e8711e --- /dev/null +++ b/solve/ply-2.2/test/yacc_uprec.py @@ -0,0 +1,64 @@ +# ----------------------------------------------------------------------------- +# yacc_uprec.py +# +# A grammar with a bad %prec specifier +# ----------------------------------------------------------------------------- +import sys +sys.tracebacklimit = 0 + +sys.path.insert(0,"..") +import ply.yacc as yacc + +from calclex import tokens + +# Parsing rules + +# dictionary of names +names = { } + +def p_statement_assign(t): + 'statement : NAME EQUALS expression' + names[t[1]] = t[3] + +def p_statement_expr(t): + 'statement : expression' + print t[1] + +def p_expression_binop(t): + '''expression : expression PLUS expression + | expression MINUS expression + | expression TIMES expression + | expression DIVIDE expression''' + if t[2] == '+' : t[0] = t[1] + t[3] + elif t[2] == '-': t[0] = t[1] - t[3] + elif t[2] == '*': t[0] = t[1] * t[3] + elif t[3] == '/': t[0] = t[1] / t[3] + +def p_expression_uminus(t): + 'expression : MINUS expression %prec UMINUS' + t[0] = -t[2] + +def p_expression_group(t): + 'expression : LPAREN expression RPAREN' + t[0] = t[2] + +def p_expression_number(t): + 'expression : NUMBER' + t[0] = t[1] + +def p_expression_name(t): + 'expression : NAME' + try: + t[0] = names[t[1]] + except LookupError: + print "Undefined name '%s'" % t[1] + t[0] = 0 + +def p_error(t): + print "Syntax error at '%s'" % t.value + +yacc.yacc() + + + + diff --git a/solve/src/css/bootstrap-grid.css b/solve/src/css/bootstrap-grid.css new file mode 100644 index 0000000..5a71a41 --- /dev/null +++ b/solve/src/css/bootstrap-grid.css @@ -0,0 +1,2050 @@ +/*! + * Bootstrap Grid v4.0.0 (https://getbootstrap.com) + * Copyright 2011-2018 The Bootstrap Authors + * Copyright 2011-2018 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + */ +@-ms-viewport { + width: device-width; +} + +html { + box-sizing: border-box; + -ms-overflow-style: scrollbar; +} + +*, +*::before, +*::after { + box-sizing: inherit; +} + +.container { + width: 100%; + padding-right: 15px; + padding-left: 15px; + margin-right: auto; + margin-left: auto; +} + +@media (min-width: 576px) { + .container { + max-width: 540px; + } +} + +@media (min-width: 768px) { + .container { + max-width: 720px; + } +} + +@media (min-width: 992px) { + .container { + max-width: 960px; + } +} + +@media (min-width: 1200px) { + .container { + max-width: 1140px; + } +} + +.container-fluid { + width: 100%; + padding-right: 15px; + padding-left: 15px; + margin-right: auto; + margin-left: auto; +} + +.row { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + margin-right: -15px; + margin-left: -15px; +} + +.no-gutters { + margin-right: 0; + margin-left: 0; +} + +.no-gutters > .col, +.no-gutters > [class*="col-"] { + padding-right: 0; + padding-left: 0; +} + +.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col, +.col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm, +.col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md, +.col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg, +.col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl, +.col-xl-auto { + position: relative; + width: 100%; + min-height: 1px; + padding-right: 15px; + padding-left: 15px; +} + +.col { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; +} + +.col-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; +} + +.col-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; +} + +.col-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; +} + +.col-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; +} + +.col-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; +} + +.col-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; +} + +.col-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; +} + +.col-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; +} + +.col-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; +} + +.col-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; +} + +.col-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; +} + +.col-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; +} + +.col-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; +} + +.order-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; +} + +.order-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; +} + +.order-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; +} + +.order-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; +} + +.order-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; +} + +.order-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; +} + +.order-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; +} + +.order-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; +} + +.order-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; +} + +.order-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; +} + +.order-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; +} + +.order-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; +} + +.order-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; +} + +.order-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; +} + +.order-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; +} + +.offset-1 { + margin-left: 8.333333%; +} + +.offset-2 { + margin-left: 16.666667%; +} + +.offset-3 { + margin-left: 25%; +} + +.offset-4 { + margin-left: 33.333333%; +} + +.offset-5 { + margin-left: 41.666667%; +} + +.offset-6 { + margin-left: 50%; +} + +.offset-7 { + margin-left: 58.333333%; +} + +.offset-8 { + margin-left: 66.666667%; +} + +.offset-9 { + margin-left: 75%; +} + +.offset-10 { + margin-left: 83.333333%; +} + +.offset-11 { + margin-left: 91.666667%; +} + +@media (min-width: 576px) { + .col-sm { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-sm-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-sm-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-sm-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-sm-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-sm-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-sm-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-sm-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-sm-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-sm-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-sm-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-sm-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-sm-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-sm-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-sm-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-sm-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-sm-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-sm-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-sm-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-sm-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-sm-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-sm-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-sm-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-sm-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-sm-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-sm-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-sm-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-sm-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-sm-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-sm-0 { + margin-left: 0; + } + .offset-sm-1 { + margin-left: 8.333333%; + } + .offset-sm-2 { + margin-left: 16.666667%; + } + .offset-sm-3 { + margin-left: 25%; + } + .offset-sm-4 { + margin-left: 33.333333%; + } + .offset-sm-5 { + margin-left: 41.666667%; + } + .offset-sm-6 { + margin-left: 50%; + } + .offset-sm-7 { + margin-left: 58.333333%; + } + .offset-sm-8 { + margin-left: 66.666667%; + } + .offset-sm-9 { + margin-left: 75%; + } + .offset-sm-10 { + margin-left: 83.333333%; + } + .offset-sm-11 { + margin-left: 91.666667%; + } +} + +@media (min-width: 768px) { + .col-md { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-md-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-md-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-md-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-md-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-md-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-md-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-md-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-md-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-md-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-md-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-md-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-md-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-md-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-md-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-md-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-md-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-md-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-md-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-md-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-md-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-md-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-md-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-md-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-md-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-md-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-md-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-md-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-md-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-md-0 { + margin-left: 0; + } + .offset-md-1 { + margin-left: 8.333333%; + } + .offset-md-2 { + margin-left: 16.666667%; + } + .offset-md-3 { + margin-left: 25%; + } + .offset-md-4 { + margin-left: 33.333333%; + } + .offset-md-5 { + margin-left: 41.666667%; + } + .offset-md-6 { + margin-left: 50%; + } + .offset-md-7 { + margin-left: 58.333333%; + } + .offset-md-8 { + margin-left: 66.666667%; + } + .offset-md-9 { + margin-left: 75%; + } + .offset-md-10 { + margin-left: 83.333333%; + } + .offset-md-11 { + margin-left: 91.666667%; + } +} + +@media (min-width: 992px) { + .col-lg { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-lg-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-lg-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-lg-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-lg-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-lg-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-lg-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-lg-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-lg-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-lg-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-lg-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-lg-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-lg-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-lg-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-lg-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-lg-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-lg-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-lg-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-lg-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-lg-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-lg-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-lg-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-lg-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-lg-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-lg-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-lg-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-lg-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-lg-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-lg-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-lg-0 { + margin-left: 0; + } + .offset-lg-1 { + margin-left: 8.333333%; + } + .offset-lg-2 { + margin-left: 16.666667%; + } + .offset-lg-3 { + margin-left: 25%; + } + .offset-lg-4 { + margin-left: 33.333333%; + } + .offset-lg-5 { + margin-left: 41.666667%; + } + .offset-lg-6 { + margin-left: 50%; + } + .offset-lg-7 { + margin-left: 58.333333%; + } + .offset-lg-8 { + margin-left: 66.666667%; + } + .offset-lg-9 { + margin-left: 75%; + } + .offset-lg-10 { + margin-left: 83.333333%; + } + .offset-lg-11 { + margin-left: 91.666667%; + } +} + +@media (min-width: 1200px) { + .col-xl { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-xl-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-xl-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-xl-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-xl-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-xl-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-xl-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-xl-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-xl-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-xl-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-xl-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-xl-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-xl-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-xl-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-xl-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-xl-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-xl-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-xl-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-xl-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-xl-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-xl-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-xl-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-xl-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-xl-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-xl-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-xl-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-xl-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-xl-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-xl-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-xl-0 { + margin-left: 0; + } + .offset-xl-1 { + margin-left: 8.333333%; + } + .offset-xl-2 { + margin-left: 16.666667%; + } + .offset-xl-3 { + margin-left: 25%; + } + .offset-xl-4 { + margin-left: 33.333333%; + } + .offset-xl-5 { + margin-left: 41.666667%; + } + .offset-xl-6 { + margin-left: 50%; + } + .offset-xl-7 { + margin-left: 58.333333%; + } + .offset-xl-8 { + margin-left: 66.666667%; + } + .offset-xl-9 { + margin-left: 75%; + } + .offset-xl-10 { + margin-left: 83.333333%; + } + .offset-xl-11 { + margin-left: 91.666667%; + } +} + +.d-none { + display: none !important; +} + +.d-inline { + display: inline !important; +} + +.d-inline-block { + display: inline-block !important; +} + +.d-block { + display: block !important; +} + +.d-table { + display: table !important; +} + +.d-table-row { + display: table-row !important; +} + +.d-table-cell { + display: table-cell !important; +} + +.d-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; +} + +.d-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; +} + +@media (min-width: 576px) { + .d-sm-none { + display: none !important; + } + .d-sm-inline { + display: inline !important; + } + .d-sm-inline-block { + display: inline-block !important; + } + .d-sm-block { + display: block !important; + } + .d-sm-table { + display: table !important; + } + .d-sm-table-row { + display: table-row !important; + } + .d-sm-table-cell { + display: table-cell !important; + } + .d-sm-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-sm-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media (min-width: 768px) { + .d-md-none { + display: none !important; + } + .d-md-inline { + display: inline !important; + } + .d-md-inline-block { + display: inline-block !important; + } + .d-md-block { + display: block !important; + } + .d-md-table { + display: table !important; + } + .d-md-table-row { + display: table-row !important; + } + .d-md-table-cell { + display: table-cell !important; + } + .d-md-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-md-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media (min-width: 992px) { + .d-lg-none { + display: none !important; + } + .d-lg-inline { + display: inline !important; + } + .d-lg-inline-block { + display: inline-block !important; + } + .d-lg-block { + display: block !important; + } + .d-lg-table { + display: table !important; + } + .d-lg-table-row { + display: table-row !important; + } + .d-lg-table-cell { + display: table-cell !important; + } + .d-lg-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-lg-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media (min-width: 1200px) { + .d-xl-none { + display: none !important; + } + .d-xl-inline { + display: inline !important; + } + .d-xl-inline-block { + display: inline-block !important; + } + .d-xl-block { + display: block !important; + } + .d-xl-table { + display: table !important; + } + .d-xl-table-row { + display: table-row !important; + } + .d-xl-table-cell { + display: table-cell !important; + } + .d-xl-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-xl-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media print { + .d-print-none { + display: none !important; + } + .d-print-inline { + display: inline !important; + } + .d-print-inline-block { + display: inline-block !important; + } + .d-print-block { + display: block !important; + } + .d-print-table { + display: table !important; + } + .d-print-table-row { + display: table-row !important; + } + .d-print-table-cell { + display: table-cell !important; + } + .d-print-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-print-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +.flex-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; +} + +.flex-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; +} + +.flex-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; +} + +.flex-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; +} + +.flex-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; +} + +.flex-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; +} + +.flex-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; +} + +.justify-content-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; +} + +.justify-content-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; +} + +.justify-content-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; +} + +.justify-content-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; +} + +.justify-content-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; +} + +.align-items-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; +} + +.align-items-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; +} + +.align-items-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; +} + +.align-items-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; +} + +.align-items-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; +} + +.align-content-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; +} + +.align-content-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; +} + +.align-content-center { + -ms-flex-line-pack: center !important; + align-content: center !important; +} + +.align-content-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; +} + +.align-content-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; +} + +.align-content-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; +} + +.align-self-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; +} + +.align-self-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; +} + +.align-self-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; +} + +.align-self-center { + -ms-flex-item-align: center !important; + align-self: center !important; +} + +.align-self-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; +} + +.align-self-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; +} + +@media (min-width: 576px) { + .flex-sm-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-sm-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-sm-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-sm-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-sm-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-sm-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-sm-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-sm-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-sm-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-sm-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-sm-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-sm-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-sm-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-sm-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-sm-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-sm-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-sm-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-sm-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-sm-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-sm-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-sm-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-sm-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-sm-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-sm-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-sm-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-sm-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-sm-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-sm-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-sm-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +@media (min-width: 768px) { + .flex-md-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-md-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-md-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-md-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-md-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-md-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-md-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-md-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-md-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-md-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-md-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-md-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-md-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-md-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-md-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-md-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-md-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-md-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-md-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-md-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-md-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-md-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-md-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-md-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-md-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-md-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-md-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-md-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-md-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +@media 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.flex-lg-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-lg-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-lg-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-lg-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-lg-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-lg-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-lg-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-lg-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-lg-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-lg-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-lg-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-lg-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-lg-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-lg-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-lg-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-lg-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-lg-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-lg-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-lg-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-lg-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-lg-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-lg-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-lg-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +@media (min-width: 1200px) { + .flex-xl-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-xl-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-xl-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-xl-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-xl-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-xl-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-xl-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-xl-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-xl-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-xl-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-xl-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-xl-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-xl-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-xl-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-xl-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-xl-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-xl-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-xl-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-xl-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-xl-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-xl-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-xl-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + 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+::-webkit-file-upload-button { + font: inherit; + -webkit-appearance: button; +} + +output { + display: inline-block; +} + +summary { + display: list-item; + cursor: pointer; +} + +template { + display: none; +} + +[hidden] { + display: none !important; +} +/*# sourceMappingURL=bootstrap-reboot.css.map */ \ No newline at end of file diff --git a/solve/src/css/bootstrap-reboot.min.css b/solve/src/css/bootstrap-reboot.min.css new file mode 100644 index 0000000..ced0468 --- /dev/null +++ b/solve/src/css/bootstrap-reboot.min.css @@ -0,0 +1,8 @@ +/*! + * Bootstrap Reboot v4.0.0 (https://getbootstrap.com) + * Copyright 2011-2018 The Bootstrap Authors + * Copyright 2011-2018 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) + 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line-height: 1.5; + color: #212529; + text-align: left; + background-color: #fff; +} + +[tabindex="-1"]:focus { + outline: 0 !important; +} + +hr { + box-sizing: content-box; + height: 0; + overflow: visible; +} + +h1, h2, h3, h4, h5, h6 { + margin-top: 0; + margin-bottom: 0.5rem; +} + +p { + margin-top: 0; + margin-bottom: 1rem; +} + +abbr[title], +abbr[data-original-title] { + text-decoration: underline; + -webkit-text-decoration: underline dotted; + text-decoration: underline dotted; + cursor: help; + border-bottom: 0; +} + +address { + margin-bottom: 1rem; + font-style: normal; + line-height: inherit; +} + +ol, +ul, +dl { + margin-top: 0; + margin-bottom: 1rem; +} + +ol ol, +ul ul, +ol ul, +ul ol { + margin-bottom: 0; +} + +dt { + font-weight: 700; +} + +dd { + margin-bottom: .5rem; + margin-left: 0; +} + +blockquote { + margin: 0 0 1rem; +} + +dfn { + font-style: italic; +} + +b, +strong { + font-weight: bolder; +} + +small { + font-size: 80%; +} + +sub, +sup { + position: relative; + font-size: 75%; + line-height: 0; + vertical-align: baseline; +} + +sub { + bottom: -.25em; +} + +sup { + top: -.5em; +} + +a { + color: #007bff; + text-decoration: none; + background-color: transparent; + -webkit-text-decoration-skip: objects; +} + +a:hover { + color: #0056b3; + text-decoration: underline; +} + +a:not([href]):not([tabindex]) { + color: inherit; + text-decoration: none; +} + +a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus { + color: inherit; + text-decoration: none; +} + +a:not([href]):not([tabindex]):focus { + outline: 0; +} + +pre, +code, +kbd, +samp { + font-family: monospace, monospace; + font-size: 1em; +} + +pre { + margin-top: 0; + margin-bottom: 1rem; + overflow: auto; + -ms-overflow-style: scrollbar; +} + +figure { + margin: 0 0 1rem; +} + +img { + vertical-align: middle; + border-style: none; +} + +svg:not(:root) { + overflow: hidden; +} + +table { + border-collapse: collapse; +} + +caption { + padding-top: 0.75rem; + padding-bottom: 0.75rem; + color: #6c757d; + text-align: left; + caption-side: bottom; +} + +th { + text-align: inherit; +} + +label { + display: inline-block; + margin-bottom: .5rem; +} + +button { + border-radius: 0; +} + +button:focus { + outline: 1px dotted; + outline: 5px auto -webkit-focus-ring-color; +} + +input, +button, +select, +optgroup, +textarea { + margin: 0; + font-family: inherit; + font-size: inherit; + line-height: inherit; +} + +button, +input { + overflow: visible; +} + +button, +select { + text-transform: none; +} + +button, +html [type="button"], +[type="reset"], +[type="submit"] { + -webkit-appearance: button; +} + +button::-moz-focus-inner, +[type="button"]::-moz-focus-inner, +[type="reset"]::-moz-focus-inner, +[type="submit"]::-moz-focus-inner { + padding: 0; + border-style: none; +} + +input[type="radio"], +input[type="checkbox"] { + box-sizing: border-box; + padding: 0; +} + +input[type="date"], +input[type="time"], +input[type="datetime-local"], 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100%; + padding-right: 15px; + padding-left: 15px; + margin-right: auto; + margin-left: auto; +} + +.row { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + margin-right: -15px; + margin-left: -15px; +} + +.no-gutters { + margin-right: 0; + margin-left: 0; +} + +.no-gutters > .col, +.no-gutters > [class*="col-"] { + padding-right: 0; + padding-left: 0; +} + +.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col, +.col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm, +.col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md, +.col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg, 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83.333333%; + } + .col-sm-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-sm-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-sm-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-sm-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-sm-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-sm-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-sm-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-sm-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-sm-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-sm-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-sm-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-sm-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-sm-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-sm-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-sm-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-sm-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-sm-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-sm-0 { + margin-left: 0; + } + .offset-sm-1 { + margin-left: 8.333333%; + } + .offset-sm-2 { + margin-left: 16.666667%; + } + .offset-sm-3 { + margin-left: 25%; + } + .offset-sm-4 { + margin-left: 33.333333%; + } + .offset-sm-5 { + margin-left: 41.666667%; + } + .offset-sm-6 { + margin-left: 50%; + } + .offset-sm-7 { + margin-left: 58.333333%; + } + .offset-sm-8 { + margin-left: 66.666667%; + } + .offset-sm-9 { + margin-left: 75%; + } + .offset-sm-10 { + margin-left: 83.333333%; + } + .offset-sm-11 { + margin-left: 91.666667%; + } +} + +@media (min-width: 768px) { + .col-md { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-md-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-md-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-md-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-md-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-md-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-md-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-md-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-md-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-md-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-md-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-md-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-md-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-md-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-md-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-md-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-md-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-md-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-md-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-md-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-md-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-md-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-md-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-md-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-md-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-md-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-md-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-md-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-md-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-md-0 { + margin-left: 0; + } + .offset-md-1 { + margin-left: 8.333333%; + } + .offset-md-2 { + margin-left: 16.666667%; + } + .offset-md-3 { + margin-left: 25%; + } + .offset-md-4 { + margin-left: 33.333333%; + } + .offset-md-5 { + margin-left: 41.666667%; + } + .offset-md-6 { + margin-left: 50%; + } + .offset-md-7 { + margin-left: 58.333333%; + } + .offset-md-8 { + margin-left: 66.666667%; + } + .offset-md-9 { + margin-left: 75%; + } + .offset-md-10 { + margin-left: 83.333333%; + } + .offset-md-11 { + margin-left: 91.666667%; + } +} + +@media (min-width: 992px) { + .col-lg { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-lg-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-lg-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-lg-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-lg-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-lg-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-lg-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-lg-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-lg-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-lg-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-lg-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-lg-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-lg-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-lg-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-lg-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-lg-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-lg-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-lg-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-lg-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-lg-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-lg-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-lg-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-lg-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-lg-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-lg-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-lg-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-lg-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-lg-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-lg-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-lg-0 { + margin-left: 0; + } + .offset-lg-1 { + margin-left: 8.333333%; + } + .offset-lg-2 { + margin-left: 16.666667%; + } + .offset-lg-3 { + margin-left: 25%; + } + .offset-lg-4 { + margin-left: 33.333333%; + } + .offset-lg-5 { + margin-left: 41.666667%; + } + .offset-lg-6 { + margin-left: 50%; + } + .offset-lg-7 { + margin-left: 58.333333%; + } + .offset-lg-8 { + margin-left: 66.666667%; + } + .offset-lg-9 { + margin-left: 75%; + } + .offset-lg-10 { + margin-left: 83.333333%; + } + .offset-lg-11 { + margin-left: 91.666667%; + } +} + +@media (min-width: 1200px) { + .col-xl { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + max-width: 100%; + } + .col-xl-auto { + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + width: auto; + max-width: none; + } + .col-xl-1 { + -webkit-box-flex: 0; + -ms-flex: 0 0 8.333333%; + flex: 0 0 8.333333%; + max-width: 8.333333%; + } + .col-xl-2 { + -webkit-box-flex: 0; + -ms-flex: 0 0 16.666667%; + flex: 0 0 16.666667%; + max-width: 16.666667%; + } + .col-xl-3 { + -webkit-box-flex: 0; + -ms-flex: 0 0 25%; + flex: 0 0 25%; + max-width: 25%; + } + .col-xl-4 { + -webkit-box-flex: 0; + -ms-flex: 0 0 33.333333%; + flex: 0 0 33.333333%; + max-width: 33.333333%; + } + .col-xl-5 { + -webkit-box-flex: 0; + -ms-flex: 0 0 41.666667%; + flex: 0 0 41.666667%; + max-width: 41.666667%; + } + .col-xl-6 { + -webkit-box-flex: 0; + -ms-flex: 0 0 50%; + flex: 0 0 50%; + max-width: 50%; + } + .col-xl-7 { + -webkit-box-flex: 0; + -ms-flex: 0 0 58.333333%; + flex: 0 0 58.333333%; + max-width: 58.333333%; + } + .col-xl-8 { + -webkit-box-flex: 0; + -ms-flex: 0 0 66.666667%; + flex: 0 0 66.666667%; + max-width: 66.666667%; + } + .col-xl-9 { + -webkit-box-flex: 0; + -ms-flex: 0 0 75%; + flex: 0 0 75%; + max-width: 75%; + } + .col-xl-10 { + -webkit-box-flex: 0; + -ms-flex: 0 0 83.333333%; + flex: 0 0 83.333333%; + max-width: 83.333333%; + } + .col-xl-11 { + -webkit-box-flex: 0; + -ms-flex: 0 0 91.666667%; + flex: 0 0 91.666667%; + max-width: 91.666667%; + } + .col-xl-12 { + -webkit-box-flex: 0; + -ms-flex: 0 0 100%; + flex: 0 0 100%; + max-width: 100%; + } + .order-xl-first { + -webkit-box-ordinal-group: 0; + -ms-flex-order: -1; + order: -1; + } + .order-xl-last { + -webkit-box-ordinal-group: 14; + -ms-flex-order: 13; + order: 13; + } + .order-xl-0 { + -webkit-box-ordinal-group: 1; + -ms-flex-order: 0; + order: 0; + } + .order-xl-1 { + -webkit-box-ordinal-group: 2; + -ms-flex-order: 1; + order: 1; + } + .order-xl-2 { + -webkit-box-ordinal-group: 3; + -ms-flex-order: 2; + order: 2; + } + .order-xl-3 { + -webkit-box-ordinal-group: 4; + -ms-flex-order: 3; + order: 3; + } + .order-xl-4 { + -webkit-box-ordinal-group: 5; + -ms-flex-order: 4; + order: 4; + } + .order-xl-5 { + -webkit-box-ordinal-group: 6; + -ms-flex-order: 5; + order: 5; + } + .order-xl-6 { + -webkit-box-ordinal-group: 7; + -ms-flex-order: 6; + order: 6; + } + .order-xl-7 { + -webkit-box-ordinal-group: 8; + -ms-flex-order: 7; + order: 7; + } + .order-xl-8 { + -webkit-box-ordinal-group: 9; + -ms-flex-order: 8; + order: 8; + } + .order-xl-9 { + -webkit-box-ordinal-group: 10; + -ms-flex-order: 9; + order: 9; + } + .order-xl-10 { + -webkit-box-ordinal-group: 11; + -ms-flex-order: 10; + order: 10; + } + .order-xl-11 { + -webkit-box-ordinal-group: 12; + -ms-flex-order: 11; + order: 11; + } + .order-xl-12 { + -webkit-box-ordinal-group: 13; + -ms-flex-order: 12; + order: 12; + } + .offset-xl-0 { + margin-left: 0; + } + .offset-xl-1 { + margin-left: 8.333333%; + } + .offset-xl-2 { + margin-left: 16.666667%; + } + .offset-xl-3 { + margin-left: 25%; + } + .offset-xl-4 { + margin-left: 33.333333%; + } + .offset-xl-5 { + margin-left: 41.666667%; + } + .offset-xl-6 { + margin-left: 50%; + } + .offset-xl-7 { + margin-left: 58.333333%; + } + .offset-xl-8 { + margin-left: 66.666667%; + } + .offset-xl-9 { + margin-left: 75%; + } + .offset-xl-10 { + margin-left: 83.333333%; + } + .offset-xl-11 { + margin-left: 91.666667%; + } +} + +.table { + width: 100%; + max-width: 100%; + margin-bottom: 1rem; + background-color: transparent; +} + +.table th, +.table td { + padding: 0.75rem; + vertical-align: top; + border-top: 1px solid #dee2e6; +} + +.table thead th { + vertical-align: bottom; + border-bottom: 2px solid #dee2e6; +} + +.table tbody + tbody { + border-top: 2px solid #dee2e6; +} + +.table .table { + background-color: #fff; +} + +.table-sm th, +.table-sm td { + padding: 0.3rem; +} + +.table-bordered { + border: 1px solid #dee2e6; +} + +.table-bordered th, +.table-bordered td { + border: 1px solid #dee2e6; +} + +.table-bordered thead th, +.table-bordered thead td { + border-bottom-width: 2px; +} + +.table-striped tbody tr:nth-of-type(odd) { + background-color: rgba(0, 0, 0, 0.05); +} + +.table-hover tbody tr:hover { + background-color: rgba(0, 0, 0, 0.075); +} + +.table-primary, +.table-primary > th, +.table-primary > td { + background-color: #b8daff; +} + +.table-hover .table-primary:hover { + background-color: #9fcdff; +} + +.table-hover .table-primary:hover > td, +.table-hover .table-primary:hover > th { + background-color: #9fcdff; +} + +.table-secondary, +.table-secondary > th, +.table-secondary > td { + background-color: #d6d8db; +} + +.table-hover .table-secondary:hover { + background-color: #c8cbcf; +} + +.table-hover .table-secondary:hover > td, +.table-hover .table-secondary:hover > th { + background-color: #c8cbcf; +} + +.table-success, +.table-success > th, +.table-success > td { + background-color: #c3e6cb; +} + +.table-hover .table-success:hover { + background-color: #b1dfbb; +} + +.table-hover .table-success:hover > td, +.table-hover .table-success:hover > th { + background-color: #b1dfbb; +} + +.table-info, +.table-info > th, +.table-info > td { + background-color: #bee5eb; +} + +.table-hover .table-info:hover { + background-color: #abdde5; +} + +.table-hover .table-info:hover > td, +.table-hover .table-info:hover > th { + background-color: #abdde5; +} + +.table-warning, +.table-warning > th, +.table-warning > td { + background-color: #ffeeba; +} + +.table-hover .table-warning:hover { + background-color: #ffe8a1; +} + +.table-hover .table-warning:hover > td, +.table-hover .table-warning:hover > th { + background-color: #ffe8a1; +} + +.table-danger, +.table-danger > th, +.table-danger > td { + background-color: #f5c6cb; +} + +.table-hover .table-danger:hover { + background-color: #f1b0b7; +} + +.table-hover .table-danger:hover > td, +.table-hover .table-danger:hover > th { + background-color: #f1b0b7; +} + +.table-light, +.table-light > th, +.table-light > td { + background-color: #fdfdfe; +} + +.table-hover .table-light:hover { + background-color: #ececf6; +} + +.table-hover .table-light:hover > td, +.table-hover .table-light:hover > th { + background-color: #ececf6; +} + +.table-dark, +.table-dark > th, +.table-dark > td { + background-color: #c6c8ca; +} + +.table-hover .table-dark:hover { + background-color: #b9bbbe; +} + +.table-hover .table-dark:hover > td, +.table-hover .table-dark:hover > th { + background-color: #b9bbbe; +} + +.table-active, +.table-active > th, +.table-active > td { + background-color: rgba(0, 0, 0, 0.075); +} + +.table-hover .table-active:hover { + background-color: rgba(0, 0, 0, 0.075); +} + +.table-hover .table-active:hover > td, +.table-hover .table-active:hover > th { + background-color: rgba(0, 0, 0, 0.075); +} + +.table .thead-dark th { + color: #fff; + background-color: #212529; + border-color: #32383e; +} + +.table .thead-light th { + color: #495057; + background-color: #e9ecef; + border-color: #dee2e6; +} + +.table-dark { + color: #fff; + background-color: #212529; +} + +.table-dark th, +.table-dark td, +.table-dark thead th { + border-color: #32383e; +} + +.table-dark.table-bordered { + border: 0; +} + +.table-dark.table-striped tbody tr:nth-of-type(odd) { + background-color: rgba(255, 255, 255, 0.05); +} + +.table-dark.table-hover tbody tr:hover { + background-color: rgba(255, 255, 255, 0.075); +} + +@media (max-width: 575.98px) { + .table-responsive-sm { + display: block; + width: 100%; + overflow-x: auto; + -webkit-overflow-scrolling: touch; + -ms-overflow-style: -ms-autohiding-scrollbar; + } + .table-responsive-sm > .table-bordered { + border: 0; + } +} + +@media (max-width: 767.98px) { + .table-responsive-md { + display: block; + width: 100%; + overflow-x: auto; + -webkit-overflow-scrolling: touch; + -ms-overflow-style: -ms-autohiding-scrollbar; + } + .table-responsive-md > .table-bordered { + border: 0; + } +} + +@media (max-width: 991.98px) { + .table-responsive-lg { + display: block; + width: 100%; + overflow-x: auto; + -webkit-overflow-scrolling: touch; + -ms-overflow-style: -ms-autohiding-scrollbar; + } + .table-responsive-lg > .table-bordered { + border: 0; + } +} + +@media (max-width: 1199.98px) { + .table-responsive-xl { + display: block; + width: 100%; + overflow-x: auto; + -webkit-overflow-scrolling: touch; + -ms-overflow-style: -ms-autohiding-scrollbar; + } + .table-responsive-xl > .table-bordered { + border: 0; + } +} + +.table-responsive { + display: block; + width: 100%; + overflow-x: auto; + -webkit-overflow-scrolling: touch; + -ms-overflow-style: -ms-autohiding-scrollbar; +} + +.table-responsive > .table-bordered { + border: 0; +} + +.form-control { + display: block; + width: 100%; + padding: 0.375rem 0.75rem; + font-size: 1rem; + line-height: 1.5; + color: #495057; + background-color: #fff; + background-clip: padding-box; + border: 1px solid #ced4da; + border-radius: 0.25rem; + transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out; +} + +.form-control::-ms-expand { + background-color: transparent; + border: 0; +} + +.form-control:focus { + color: #495057; + background-color: #fff; + border-color: #80bdff; + outline: 0; + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); +} + +.form-control::-webkit-input-placeholder { + color: #6c757d; + opacity: 1; +} + +.form-control::-moz-placeholder { + color: #6c757d; + opacity: 1; +} + +.form-control:-ms-input-placeholder { + color: #6c757d; + opacity: 1; +} + +.form-control::-ms-input-placeholder { + color: #6c757d; + opacity: 1; +} + +.form-control::placeholder { + color: #6c757d; + opacity: 1; +} + +.form-control:disabled, .form-control[readonly] { + background-color: #e9ecef; + opacity: 1; +} + +select.form-control:not([size]):not([multiple]) { + height: calc(2.25rem + 2px); +} + +select.form-control:focus::-ms-value { + color: #495057; + background-color: #fff; +} + +.form-control-file, +.form-control-range { + display: block; + width: 100%; +} + +.col-form-label { + padding-top: calc(0.375rem + 1px); + padding-bottom: calc(0.375rem + 1px); + margin-bottom: 0; + font-size: inherit; + line-height: 1.5; +} + +.col-form-label-lg { + padding-top: calc(0.5rem + 1px); + padding-bottom: calc(0.5rem + 1px); + font-size: 1.25rem; + line-height: 1.5; +} + +.col-form-label-sm { + padding-top: calc(0.25rem + 1px); + padding-bottom: calc(0.25rem + 1px); + font-size: 0.875rem; + line-height: 1.5; +} + +.form-control-plaintext { + display: block; + width: 100%; + padding-top: 0.375rem; + padding-bottom: 0.375rem; + margin-bottom: 0; + line-height: 1.5; + background-color: transparent; + border: solid transparent; + border-width: 1px 0; +} + +.form-control-plaintext.form-control-sm, .input-group-sm > .form-control-plaintext.form-control, +.input-group-sm > .input-group-prepend > .form-control-plaintext.input-group-text, +.input-group-sm > .input-group-append > .form-control-plaintext.input-group-text, +.input-group-sm > .input-group-prepend > .form-control-plaintext.btn, +.input-group-sm > .input-group-append > .form-control-plaintext.btn, .form-control-plaintext.form-control-lg, .input-group-lg > .form-control-plaintext.form-control, +.input-group-lg > .input-group-prepend > .form-control-plaintext.input-group-text, +.input-group-lg > .input-group-append > .form-control-plaintext.input-group-text, +.input-group-lg > .input-group-prepend > .form-control-plaintext.btn, +.input-group-lg > .input-group-append > .form-control-plaintext.btn { + padding-right: 0; + padding-left: 0; +} + +.form-control-sm, .input-group-sm > .form-control, +.input-group-sm > .input-group-prepend > .input-group-text, +.input-group-sm > .input-group-append > .input-group-text, +.input-group-sm > .input-group-prepend > .btn, +.input-group-sm > .input-group-append > .btn { + padding: 0.25rem 0.5rem; + font-size: 0.875rem; + line-height: 1.5; + border-radius: 0.2rem; +} + +select.form-control-sm:not([size]):not([multiple]), .input-group-sm > select.form-control:not([size]):not([multiple]), +.input-group-sm > .input-group-prepend > select.input-group-text:not([size]):not([multiple]), +.input-group-sm > .input-group-append > select.input-group-text:not([size]):not([multiple]), +.input-group-sm > .input-group-prepend > select.btn:not([size]):not([multiple]), +.input-group-sm > .input-group-append > select.btn:not([size]):not([multiple]) { + height: calc(1.8125rem + 2px); +} + +.form-control-lg, .input-group-lg > .form-control, +.input-group-lg > .input-group-prepend > .input-group-text, +.input-group-lg > .input-group-append > .input-group-text, +.input-group-lg > .input-group-prepend > .btn, +.input-group-lg > .input-group-append > .btn { + padding: 0.5rem 1rem; + font-size: 1.25rem; + line-height: 1.5; + border-radius: 0.3rem; +} + +select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.form-control:not([size]):not([multiple]), +.input-group-lg > .input-group-prepend > select.input-group-text:not([size]):not([multiple]), +.input-group-lg > .input-group-append > select.input-group-text:not([size]):not([multiple]), +.input-group-lg > .input-group-prepend > select.btn:not([size]):not([multiple]), +.input-group-lg > .input-group-append > select.btn:not([size]):not([multiple]) { + height: calc(2.875rem + 2px); +} + +.form-group { + margin-bottom: 1rem; +} + +.form-text { + display: block; + margin-top: 0.25rem; +} + +.form-row { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + margin-right: -5px; + margin-left: -5px; +} + +.form-row > .col, +.form-row > [class*="col-"] { + padding-right: 5px; + padding-left: 5px; +} + +.form-check { + position: relative; + display: block; + padding-left: 1.25rem; +} + +.form-check-input { + position: absolute; + margin-top: 0.3rem; + margin-left: -1.25rem; +} + +.form-check-input:disabled ~ .form-check-label { + color: #6c757d; +} + +.form-check-label { + margin-bottom: 0; +} + +.form-check-inline { + display: -webkit-inline-box; + display: -ms-inline-flexbox; + display: inline-flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + padding-left: 0; + margin-right: 0.75rem; +} + +.form-check-inline .form-check-input { + position: static; + margin-top: 0; + margin-right: 0.3125rem; + margin-left: 0; +} + +.valid-feedback { + display: none; + width: 100%; + margin-top: 0.25rem; + font-size: 80%; + color: #28a745; +} + +.valid-tooltip { + position: absolute; + top: 100%; + z-index: 5; + display: none; + max-width: 100%; + padding: .5rem; + margin-top: .1rem; + font-size: .875rem; + line-height: 1; + color: #fff; + background-color: rgba(40, 167, 69, 0.8); + border-radius: .2rem; +} + +.was-validated .form-control:valid, .form-control.is-valid, .was-validated +.custom-select:valid, +.custom-select.is-valid { + border-color: #28a745; +} + +.was-validated .form-control:valid:focus, .form-control.is-valid:focus, .was-validated +.custom-select:valid:focus, +.custom-select.is-valid:focus { + border-color: #28a745; + box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25); +} + +.was-validated .form-control:valid ~ .valid-feedback, +.was-validated .form-control:valid ~ .valid-tooltip, .form-control.is-valid ~ .valid-feedback, +.form-control.is-valid ~ .valid-tooltip, .was-validated +.custom-select:valid ~ .valid-feedback, +.was-validated +.custom-select:valid ~ .valid-tooltip, +.custom-select.is-valid ~ .valid-feedback, +.custom-select.is-valid ~ .valid-tooltip { + display: block; +} + +.was-validated .form-check-input:valid ~ .form-check-label, .form-check-input.is-valid ~ .form-check-label { + color: #28a745; +} + +.was-validated .form-check-input:valid ~ .valid-feedback, +.was-validated .form-check-input:valid ~ .valid-tooltip, .form-check-input.is-valid ~ .valid-feedback, +.form-check-input.is-valid ~ .valid-tooltip { + display: block; +} + +.was-validated .custom-control-input:valid ~ .custom-control-label, .custom-control-input.is-valid ~ .custom-control-label { + color: #28a745; +} + +.was-validated .custom-control-input:valid ~ .custom-control-label::before, .custom-control-input.is-valid ~ .custom-control-label::before { + background-color: #71dd8a; +} + +.was-validated .custom-control-input:valid ~ .valid-feedback, +.was-validated .custom-control-input:valid ~ .valid-tooltip, .custom-control-input.is-valid ~ .valid-feedback, +.custom-control-input.is-valid ~ .valid-tooltip { + display: block; +} + +.was-validated .custom-control-input:valid:checked ~ .custom-control-label::before, .custom-control-input.is-valid:checked ~ .custom-control-label::before { + background-color: #34ce57; +} + +.was-validated .custom-control-input:valid:focus ~ .custom-control-label::before, .custom-control-input.is-valid:focus ~ .custom-control-label::before { + box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(40, 167, 69, 0.25); +} + +.was-validated .custom-file-input:valid ~ .custom-file-label, .custom-file-input.is-valid ~ .custom-file-label { + border-color: #28a745; +} + +.was-validated .custom-file-input:valid ~ .custom-file-label::before, .custom-file-input.is-valid ~ .custom-file-label::before { + border-color: inherit; +} + +.was-validated .custom-file-input:valid ~ .valid-feedback, +.was-validated .custom-file-input:valid ~ .valid-tooltip, .custom-file-input.is-valid ~ .valid-feedback, +.custom-file-input.is-valid ~ .valid-tooltip { + display: block; +} + +.was-validated .custom-file-input:valid:focus ~ .custom-file-label, .custom-file-input.is-valid:focus ~ .custom-file-label { + box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25); +} + +.invalid-feedback { + display: none; + width: 100%; + margin-top: 0.25rem; + font-size: 80%; + color: #dc3545; +} + +.invalid-tooltip { + position: absolute; + top: 100%; + z-index: 5; + display: none; + max-width: 100%; + padding: .5rem; + margin-top: .1rem; + font-size: .875rem; + line-height: 1; + color: #fff; + background-color: rgba(220, 53, 69, 0.8); + border-radius: .2rem; +} + +.was-validated .form-control:invalid, .form-control.is-invalid, .was-validated +.custom-select:invalid, +.custom-select.is-invalid { + border-color: #dc3545; +} + +.was-validated .form-control:invalid:focus, .form-control.is-invalid:focus, .was-validated +.custom-select:invalid:focus, +.custom-select.is-invalid:focus { + border-color: #dc3545; + box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25); +} + +.was-validated .form-control:invalid ~ .invalid-feedback, +.was-validated .form-control:invalid ~ .invalid-tooltip, .form-control.is-invalid ~ .invalid-feedback, +.form-control.is-invalid ~ .invalid-tooltip, .was-validated +.custom-select:invalid ~ .invalid-feedback, +.was-validated +.custom-select:invalid ~ .invalid-tooltip, +.custom-select.is-invalid ~ .invalid-feedback, +.custom-select.is-invalid ~ .invalid-tooltip { + display: block; +} + +.was-validated .form-check-input:invalid ~ .form-check-label, .form-check-input.is-invalid ~ .form-check-label { + color: #dc3545; +} + +.was-validated .form-check-input:invalid ~ .invalid-feedback, +.was-validated .form-check-input:invalid ~ .invalid-tooltip, .form-check-input.is-invalid ~ .invalid-feedback, +.form-check-input.is-invalid ~ .invalid-tooltip { + display: block; +} + +.was-validated .custom-control-input:invalid ~ .custom-control-label, .custom-control-input.is-invalid ~ .custom-control-label { + color: #dc3545; +} + +.was-validated .custom-control-input:invalid ~ .custom-control-label::before, .custom-control-input.is-invalid ~ .custom-control-label::before { + background-color: #efa2a9; +} + +.was-validated .custom-control-input:invalid ~ .invalid-feedback, +.was-validated .custom-control-input:invalid ~ .invalid-tooltip, .custom-control-input.is-invalid ~ .invalid-feedback, +.custom-control-input.is-invalid ~ .invalid-tooltip { + display: block; +} + +.was-validated .custom-control-input:invalid:checked ~ .custom-control-label::before, .custom-control-input.is-invalid:checked ~ .custom-control-label::before { + background-color: #e4606d; +} + +.was-validated .custom-control-input:invalid:focus ~ .custom-control-label::before, .custom-control-input.is-invalid:focus ~ .custom-control-label::before { + box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(220, 53, 69, 0.25); +} + +.was-validated .custom-file-input:invalid ~ .custom-file-label, .custom-file-input.is-invalid ~ .custom-file-label { + border-color: #dc3545; +} + +.was-validated .custom-file-input:invalid ~ .custom-file-label::before, .custom-file-input.is-invalid ~ .custom-file-label::before { + border-color: inherit; +} + +.was-validated .custom-file-input:invalid ~ .invalid-feedback, +.was-validated .custom-file-input:invalid ~ .invalid-tooltip, .custom-file-input.is-invalid ~ .invalid-feedback, +.custom-file-input.is-invalid ~ .invalid-tooltip { + display: block; +} + +.was-validated .custom-file-input:invalid:focus ~ .custom-file-label, .custom-file-input.is-invalid:focus ~ .custom-file-label { + box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25); +} + +.form-inline { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row wrap; + flex-flow: row wrap; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; +} + +.form-inline .form-check { + width: 100%; +} + +@media (min-width: 576px) { + .form-inline label { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; + margin-bottom: 0; + } + .form-inline .form-group { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-flex: 0; + -ms-flex: 0 0 auto; + flex: 0 0 auto; + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row wrap; + flex-flow: row wrap; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + margin-bottom: 0; + } + .form-inline .form-control { + display: inline-block; + width: auto; + vertical-align: middle; + } + .form-inline .form-control-plaintext { + display: inline-block; + } + .form-inline .input-group { + width: auto; + } + .form-inline .form-check { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; + width: auto; + padding-left: 0; + } + .form-inline .form-check-input { + position: relative; + margin-top: 0; + margin-right: 0.25rem; + margin-left: 0; + } + .form-inline .custom-control { + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; + } + .form-inline .custom-control-label { + margin-bottom: 0; + } +} + +.btn { + display: inline-block; + font-weight: 400; + text-align: center; + white-space: nowrap; + vertical-align: middle; + -webkit-user-select: none; + -moz-user-select: none; + -ms-user-select: none; + user-select: none; + border: 1px solid transparent; + padding: 0.375rem 0.75rem; + font-size: 1rem; + line-height: 1.5; + border-radius: 0.25rem; + transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out; +} + +.btn:hover, .btn:focus { + text-decoration: none; +} + +.btn:focus, .btn.focus { + outline: 0; + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); +} + +.btn.disabled, .btn:disabled { + opacity: 0.65; +} + +.btn:not(:disabled):not(.disabled) { + cursor: pointer; +} + +.btn:not(:disabled):not(.disabled):active, .btn:not(:disabled):not(.disabled).active { + background-image: none; +} + +a.btn.disabled, +fieldset:disabled a.btn { + pointer-events: none; +} + +.btn-primary { + color: #fff; + background-color: #007bff; + border-color: #007bff; +} + +.btn-primary:hover { + color: #fff; + background-color: #0069d9; + border-color: #0062cc; +} + +.btn-primary:focus, .btn-primary.focus { + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); +} + +.btn-primary.disabled, .btn-primary:disabled { + color: #fff; + background-color: #007bff; + border-color: #007bff; +} + +.btn-primary:not(:disabled):not(.disabled):active, .btn-primary:not(:disabled):not(.disabled).active, +.show > .btn-primary.dropdown-toggle { + color: #fff; + background-color: #0062cc; + border-color: #005cbf; +} + +.btn-primary:not(:disabled):not(.disabled):active:focus, .btn-primary:not(:disabled):not(.disabled).active:focus, +.show > .btn-primary.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); +} + +.btn-secondary { + color: #fff; + background-color: #6c757d; + border-color: #6c757d; +} + +.btn-secondary:hover { + color: #fff; + background-color: #5a6268; + border-color: #545b62; +} + +.btn-secondary:focus, .btn-secondary.focus { + box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); +} + +.btn-secondary.disabled, .btn-secondary:disabled { + color: #fff; + background-color: #6c757d; + border-color: #6c757d; +} + +.btn-secondary:not(:disabled):not(.disabled):active, .btn-secondary:not(:disabled):not(.disabled).active, +.show > .btn-secondary.dropdown-toggle { + color: #fff; + background-color: #545b62; + border-color: #4e555b; +} + +.btn-secondary:not(:disabled):not(.disabled):active:focus, .btn-secondary:not(:disabled):not(.disabled).active:focus, +.show > .btn-secondary.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); +} + +.btn-success { + color: #fff; + background-color: #28a745; + border-color: #28a745; +} + +.btn-success:hover { + color: #fff; + background-color: #218838; + border-color: #1e7e34; +} + +.btn-success:focus, .btn-success.focus { + box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); +} + +.btn-success.disabled, .btn-success:disabled { + color: #fff; + background-color: #28a745; + border-color: #28a745; +} + +.btn-success:not(:disabled):not(.disabled):active, .btn-success:not(:disabled):not(.disabled).active, +.show > .btn-success.dropdown-toggle { + color: #fff; + background-color: #1e7e34; + border-color: #1c7430; +} + +.btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus, +.show > .btn-success.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); +} + +.btn-info { + color: #fff; + background-color: #17a2b8; + border-color: #17a2b8; +} + +.btn-info:hover { + color: #fff; + background-color: #138496; + border-color: #117a8b; +} + +.btn-info:focus, .btn-info.focus { + box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); +} + +.btn-info.disabled, .btn-info:disabled { + color: #fff; + background-color: #17a2b8; + border-color: #17a2b8; +} + +.btn-info:not(:disabled):not(.disabled):active, .btn-info:not(:disabled):not(.disabled).active, +.show > .btn-info.dropdown-toggle { + color: #fff; + background-color: #117a8b; + border-color: #10707f; +} + +.btn-info:not(:disabled):not(.disabled):active:focus, .btn-info:not(:disabled):not(.disabled).active:focus, +.show > .btn-info.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); +} + +.btn-warning { + color: #212529; + background-color: #ffc107; + border-color: #ffc107; +} + +.btn-warning:hover { + color: #212529; + background-color: #e0a800; + border-color: #d39e00; +} + +.btn-warning:focus, .btn-warning.focus { + box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); +} + +.btn-warning.disabled, .btn-warning:disabled { + color: #212529; + background-color: #ffc107; + border-color: #ffc107; +} + +.btn-warning:not(:disabled):not(.disabled):active, .btn-warning:not(:disabled):not(.disabled).active, +.show > .btn-warning.dropdown-toggle { + color: #212529; + background-color: #d39e00; + border-color: #c69500; +} + +.btn-warning:not(:disabled):not(.disabled):active:focus, .btn-warning:not(:disabled):not(.disabled).active:focus, +.show > .btn-warning.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); +} + +.btn-danger { + color: #fff; + background-color: #dc3545; + border-color: #dc3545; +} + +.btn-danger:hover { + color: #fff; + background-color: #c82333; + border-color: #bd2130; +} + +.btn-danger:focus, .btn-danger.focus { + box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); +} + +.btn-danger.disabled, .btn-danger:disabled { + color: #fff; + background-color: #dc3545; + border-color: #dc3545; +} + +.btn-danger:not(:disabled):not(.disabled):active, .btn-danger:not(:disabled):not(.disabled).active, +.show > .btn-danger.dropdown-toggle { + color: #fff; + background-color: #bd2130; + border-color: #b21f2d; +} + +.btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus, +.show > .btn-danger.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); +} + +.btn-light { + color: #212529; + background-color: #f8f9fa; + border-color: #f8f9fa; +} + +.btn-light:hover { + color: #212529; + background-color: #e2e6ea; + border-color: #dae0e5; +} + +.btn-light:focus, .btn-light.focus { + box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); +} + +.btn-light.disabled, .btn-light:disabled { + color: #212529; + background-color: #f8f9fa; + border-color: #f8f9fa; +} + +.btn-light:not(:disabled):not(.disabled):active, .btn-light:not(:disabled):not(.disabled).active, +.show > .btn-light.dropdown-toggle { + color: #212529; + background-color: #dae0e5; + border-color: #d3d9df; +} + +.btn-light:not(:disabled):not(.disabled):active:focus, .btn-light:not(:disabled):not(.disabled).active:focus, +.show > .btn-light.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); +} + +.btn-dark { + color: #fff; + background-color: #343a40; + border-color: #343a40; +} + +.btn-dark:hover { + color: #fff; + background-color: #23272b; + border-color: #1d2124; +} + +.btn-dark:focus, .btn-dark.focus { + box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); +} + +.btn-dark.disabled, .btn-dark:disabled { + color: #fff; + background-color: #343a40; + border-color: #343a40; +} + +.btn-dark:not(:disabled):not(.disabled):active, .btn-dark:not(:disabled):not(.disabled).active, +.show > .btn-dark.dropdown-toggle { + color: #fff; + background-color: #1d2124; + border-color: #171a1d; +} + +.btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus, +.show > .btn-dark.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); +} + +.btn-outline-primary { + color: #007bff; + background-color: transparent; + background-image: none; + border-color: #007bff; +} + +.btn-outline-primary:hover { + color: #fff; + background-color: #007bff; + border-color: #007bff; +} + +.btn-outline-primary:focus, .btn-outline-primary.focus { + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); +} + +.btn-outline-primary.disabled, .btn-outline-primary:disabled { + color: #007bff; + background-color: transparent; +} + +.btn-outline-primary:not(:disabled):not(.disabled):active, .btn-outline-primary:not(:disabled):not(.disabled).active, +.show > .btn-outline-primary.dropdown-toggle { + color: #fff; + background-color: #007bff; + border-color: #007bff; +} + +.btn-outline-primary:not(:disabled):not(.disabled):active:focus, .btn-outline-primary:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-primary.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5); +} + +.btn-outline-secondary { + color: #6c757d; + background-color: transparent; + background-image: none; + border-color: #6c757d; +} + +.btn-outline-secondary:hover { + color: #fff; + background-color: #6c757d; + border-color: #6c757d; +} + +.btn-outline-secondary:focus, .btn-outline-secondary.focus { + box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); +} + +.btn-outline-secondary.disabled, .btn-outline-secondary:disabled { + color: #6c757d; + background-color: transparent; +} + +.btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active, +.show > .btn-outline-secondary.dropdown-toggle { + color: #fff; + background-color: #6c757d; + border-color: #6c757d; +} + +.btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-secondary.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); +} + +.btn-outline-success { + color: #28a745; + background-color: transparent; + background-image: none; + border-color: #28a745; +} + +.btn-outline-success:hover { + color: #fff; + background-color: #28a745; + border-color: #28a745; +} + +.btn-outline-success:focus, .btn-outline-success.focus { + box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); +} + +.btn-outline-success.disabled, .btn-outline-success:disabled { + color: #28a745; + background-color: transparent; +} + +.btn-outline-success:not(:disabled):not(.disabled):active, .btn-outline-success:not(:disabled):not(.disabled).active, +.show > .btn-outline-success.dropdown-toggle { + color: #fff; + background-color: #28a745; + border-color: #28a745; +} + +.btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-success.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5); +} + +.btn-outline-info { + color: #17a2b8; + background-color: transparent; + background-image: none; + border-color: #17a2b8; +} + +.btn-outline-info:hover { + color: #fff; + background-color: #17a2b8; + border-color: #17a2b8; +} + +.btn-outline-info:focus, .btn-outline-info.focus { + box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); +} + +.btn-outline-info.disabled, .btn-outline-info:disabled { + color: #17a2b8; + background-color: transparent; +} + +.btn-outline-info:not(:disabled):not(.disabled):active, .btn-outline-info:not(:disabled):not(.disabled).active, +.show > .btn-outline-info.dropdown-toggle { + color: #fff; + background-color: #17a2b8; + border-color: #17a2b8; +} + +.btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-info.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5); +} + +.btn-outline-warning { + color: #ffc107; + background-color: transparent; + background-image: none; + border-color: #ffc107; +} + +.btn-outline-warning:hover { + color: #212529; + background-color: #ffc107; + border-color: #ffc107; +} + +.btn-outline-warning:focus, .btn-outline-warning.focus { + box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); +} + +.btn-outline-warning.disabled, .btn-outline-warning:disabled { + color: #ffc107; + background-color: transparent; +} + +.btn-outline-warning:not(:disabled):not(.disabled):active, .btn-outline-warning:not(:disabled):not(.disabled).active, +.show > .btn-outline-warning.dropdown-toggle { + color: #212529; + background-color: #ffc107; + border-color: #ffc107; +} + +.btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-warning.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5); +} + +.btn-outline-danger { + color: #dc3545; + background-color: transparent; + background-image: none; + border-color: #dc3545; +} + +.btn-outline-danger:hover { + color: #fff; + background-color: #dc3545; + border-color: #dc3545; +} + +.btn-outline-danger:focus, .btn-outline-danger.focus { + box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); +} + +.btn-outline-danger.disabled, .btn-outline-danger:disabled { + color: #dc3545; + background-color: transparent; +} + +.btn-outline-danger:not(:disabled):not(.disabled):active, .btn-outline-danger:not(:disabled):not(.disabled).active, +.show > .btn-outline-danger.dropdown-toggle { + color: #fff; + background-color: #dc3545; + border-color: #dc3545; +} + +.btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-danger.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5); +} + +.btn-outline-light { + color: #f8f9fa; + background-color: transparent; + background-image: none; + border-color: #f8f9fa; +} + +.btn-outline-light:hover { + color: #212529; + background-color: #f8f9fa; + border-color: #f8f9fa; +} + +.btn-outline-light:focus, .btn-outline-light.focus { + box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); +} + +.btn-outline-light.disabled, .btn-outline-light:disabled { + color: #f8f9fa; + background-color: transparent; +} + +.btn-outline-light:not(:disabled):not(.disabled):active, .btn-outline-light:not(:disabled):not(.disabled).active, +.show > .btn-outline-light.dropdown-toggle { + color: #212529; + background-color: #f8f9fa; + border-color: #f8f9fa; +} + +.btn-outline-light:not(:disabled):not(.disabled):active:focus, .btn-outline-light:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-light.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); +} + +.btn-outline-dark { + color: #343a40; + background-color: transparent; + background-image: none; + border-color: #343a40; +} + +.btn-outline-dark:hover { + color: #fff; + background-color: #343a40; + border-color: #343a40; +} + +.btn-outline-dark:focus, .btn-outline-dark.focus { + box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); +} + +.btn-outline-dark.disabled, .btn-outline-dark:disabled { + color: #343a40; + background-color: transparent; +} + +.btn-outline-dark:not(:disabled):not(.disabled):active, .btn-outline-dark:not(:disabled):not(.disabled).active, +.show > .btn-outline-dark.dropdown-toggle { + color: #fff; + background-color: #343a40; + border-color: #343a40; +} + +.btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus, +.show > .btn-outline-dark.dropdown-toggle:focus { + box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); +} + +.btn-link { + font-weight: 400; + color: #007bff; + background-color: transparent; +} + +.btn-link:hover { + color: #0056b3; + text-decoration: underline; + background-color: transparent; + border-color: transparent; +} + +.btn-link:focus, .btn-link.focus { + text-decoration: underline; + border-color: transparent; + box-shadow: none; +} + +.btn-link:disabled, .btn-link.disabled { + color: #6c757d; +} + +.btn-lg, .btn-group-lg > .btn { + padding: 0.5rem 1rem; + font-size: 1.25rem; + line-height: 1.5; + border-radius: 0.3rem; +} + +.btn-sm, .btn-group-sm > .btn { + padding: 0.25rem 0.5rem; + font-size: 0.875rem; + line-height: 1.5; + border-radius: 0.2rem; +} + +.btn-block { + display: block; + width: 100%; +} + +.btn-block + .btn-block { + margin-top: 0.5rem; +} + +input[type="submit"].btn-block, +input[type="reset"].btn-block, +input[type="button"].btn-block { + width: 100%; +} + +.fade { + opacity: 0; + transition: opacity 0.15s linear; +} + +.fade.show { + opacity: 1; +} + +.collapse { + display: none; +} + +.collapse.show { + display: block; +} + +tr.collapse.show { + display: table-row; +} + +tbody.collapse.show { + display: table-row-group; +} + +.collapsing { + position: relative; + height: 0; + overflow: hidden; + transition: height 0.35s ease; +} + +.dropup, +.dropdown { + position: relative; +} + +.dropdown-toggle::after { + display: inline-block; + width: 0; + height: 0; + margin-left: 0.255em; + vertical-align: 0.255em; + content: ""; + border-top: 0.3em solid; + border-right: 0.3em solid transparent; + border-bottom: 0; + border-left: 0.3em solid transparent; +} + +.dropdown-toggle:empty::after { + margin-left: 0; +} + +.dropdown-menu { + position: absolute; + top: 100%; + left: 0; + z-index: 1000; + display: none; + float: left; + min-width: 10rem; + padding: 0.5rem 0; + margin: 0.125rem 0 0; + font-size: 1rem; + color: #212529; + text-align: left; + list-style: none; + background-color: #fff; + background-clip: padding-box; + border: 1px solid rgba(0, 0, 0, 0.15); + border-radius: 0.25rem; +} + +.dropup .dropdown-menu { + margin-top: 0; + margin-bottom: 0.125rem; +} + +.dropup .dropdown-toggle::after { + display: inline-block; + width: 0; + height: 0; + margin-left: 0.255em; + vertical-align: 0.255em; + content: ""; + border-top: 0; + border-right: 0.3em solid transparent; + border-bottom: 0.3em solid; + border-left: 0.3em solid transparent; +} + +.dropup .dropdown-toggle:empty::after { + margin-left: 0; +} + +.dropright .dropdown-menu { + margin-top: 0; + margin-left: 0.125rem; +} + +.dropright .dropdown-toggle::after { + display: inline-block; + width: 0; + height: 0; + margin-left: 0.255em; + vertical-align: 0.255em; + content: ""; + border-top: 0.3em solid transparent; + border-bottom: 0.3em solid transparent; + border-left: 0.3em solid; +} + +.dropright .dropdown-toggle:empty::after { + margin-left: 0; +} + +.dropright .dropdown-toggle::after { + vertical-align: 0; +} + +.dropleft .dropdown-menu { + margin-top: 0; + margin-right: 0.125rem; +} + +.dropleft .dropdown-toggle::after { + display: inline-block; + width: 0; + height: 0; + margin-left: 0.255em; + vertical-align: 0.255em; + content: ""; +} + +.dropleft .dropdown-toggle::after { + display: none; +} + +.dropleft .dropdown-toggle::before { + display: inline-block; + width: 0; + height: 0; + margin-right: 0.255em; + vertical-align: 0.255em; + content: ""; + border-top: 0.3em solid transparent; + border-right: 0.3em solid; + border-bottom: 0.3em solid transparent; +} + +.dropleft .dropdown-toggle:empty::after { + margin-left: 0; +} + +.dropleft .dropdown-toggle::before { + vertical-align: 0; +} + +.dropdown-divider { + height: 0; + margin: 0.5rem 0; + overflow: hidden; + border-top: 1px solid #e9ecef; +} + +.dropdown-item { + display: block; + width: 100%; + padding: 0.25rem 1.5rem; + clear: both; + font-weight: 400; + color: #212529; + text-align: inherit; + white-space: nowrap; + background-color: transparent; + border: 0; +} + +.dropdown-item:hover, .dropdown-item:focus { + color: #16181b; + text-decoration: none; + background-color: #f8f9fa; +} + +.dropdown-item.active, .dropdown-item:active { + color: #fff; + text-decoration: none; + background-color: #007bff; +} + +.dropdown-item.disabled, .dropdown-item:disabled { + color: #6c757d; + background-color: transparent; +} + +.dropdown-menu.show { + display: block; +} + +.dropdown-header { + display: block; + padding: 0.5rem 1.5rem; + margin-bottom: 0; + font-size: 0.875rem; + color: #6c757d; + white-space: nowrap; +} + +.btn-group, +.btn-group-vertical { + position: relative; + display: -webkit-inline-box; + display: -ms-inline-flexbox; + display: inline-flex; + vertical-align: middle; +} + +.btn-group > .btn, +.btn-group-vertical > .btn { + position: relative; + -webkit-box-flex: 0; + -ms-flex: 0 1 auto; + flex: 0 1 auto; +} + +.btn-group > .btn:hover, +.btn-group-vertical > .btn:hover { + z-index: 1; +} + +.btn-group > .btn:focus, .btn-group > .btn:active, .btn-group > .btn.active, +.btn-group-vertical > .btn:focus, +.btn-group-vertical > .btn:active, +.btn-group-vertical > .btn.active { + z-index: 1; +} + +.btn-group .btn + .btn, +.btn-group .btn + .btn-group, +.btn-group .btn-group + .btn, +.btn-group .btn-group + .btn-group, +.btn-group-vertical .btn + .btn, +.btn-group-vertical .btn + .btn-group, +.btn-group-vertical .btn-group + .btn, +.btn-group-vertical .btn-group + .btn-group { + margin-left: -1px; +} + +.btn-toolbar { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + -webkit-box-pack: start; + -ms-flex-pack: start; + justify-content: flex-start; +} + +.btn-toolbar .input-group { + width: auto; +} + +.btn-group > .btn:first-child { + margin-left: 0; +} + +.btn-group > .btn:not(:last-child):not(.dropdown-toggle), +.btn-group > .btn-group:not(:last-child) > .btn { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} + +.btn-group > .btn:not(:first-child), +.btn-group > .btn-group:not(:first-child) > .btn { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} + +.dropdown-toggle-split { + padding-right: 0.5625rem; + padding-left: 0.5625rem; +} + +.dropdown-toggle-split::after { + margin-left: 0; +} + +.btn-sm + .dropdown-toggle-split, .btn-group-sm > .btn + .dropdown-toggle-split { + padding-right: 0.375rem; + padding-left: 0.375rem; +} + +.btn-lg + .dropdown-toggle-split, .btn-group-lg > .btn + .dropdown-toggle-split { + padding-right: 0.75rem; + padding-left: 0.75rem; +} + +.btn-group-vertical { + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + -webkit-box-align: start; + -ms-flex-align: start; + align-items: flex-start; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; +} + +.btn-group-vertical .btn, +.btn-group-vertical .btn-group { + width: 100%; +} + +.btn-group-vertical > .btn + .btn, +.btn-group-vertical > .btn + .btn-group, +.btn-group-vertical > .btn-group + .btn, +.btn-group-vertical > .btn-group + .btn-group { + margin-top: -1px; + margin-left: 0; +} + +.btn-group-vertical > .btn:not(:last-child):not(.dropdown-toggle), +.btn-group-vertical > .btn-group:not(:last-child) > .btn { + border-bottom-right-radius: 0; + border-bottom-left-radius: 0; +} + +.btn-group-vertical > .btn:not(:first-child), +.btn-group-vertical > .btn-group:not(:first-child) > .btn { + border-top-left-radius: 0; + border-top-right-radius: 0; +} + +.btn-group-toggle > .btn, +.btn-group-toggle > .btn-group > .btn { + margin-bottom: 0; +} + +.btn-group-toggle > .btn input[type="radio"], +.btn-group-toggle > .btn input[type="checkbox"], +.btn-group-toggle > .btn-group > .btn input[type="radio"], +.btn-group-toggle > .btn-group > .btn input[type="checkbox"] { + position: absolute; + clip: rect(0, 0, 0, 0); + pointer-events: none; +} + +.input-group { + position: relative; + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + -webkit-box-align: stretch; + -ms-flex-align: stretch; + align-items: stretch; + width: 100%; +} + +.input-group > .form-control, +.input-group > .custom-select, +.input-group > .custom-file { + position: relative; + -webkit-box-flex: 1; + -ms-flex: 1 1 auto; + flex: 1 1 auto; + width: 1%; + margin-bottom: 0; +} + +.input-group > .form-control:focus, +.input-group > .custom-select:focus, +.input-group > .custom-file:focus { + z-index: 3; +} + +.input-group > .form-control + .form-control, +.input-group > .form-control + .custom-select, +.input-group > .form-control + .custom-file, +.input-group > .custom-select + .form-control, +.input-group > .custom-select + .custom-select, +.input-group > .custom-select + .custom-file, +.input-group > .custom-file + .form-control, +.input-group > .custom-file + .custom-select, +.input-group > .custom-file + .custom-file { + margin-left: -1px; +} + +.input-group > .form-control:not(:last-child), +.input-group > .custom-select:not(:last-child) { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} + +.input-group > .form-control:not(:first-child), +.input-group > .custom-select:not(:first-child) { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} + +.input-group > .custom-file { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; +} + +.input-group > .custom-file:not(:last-child) .custom-file-label, +.input-group > .custom-file:not(:last-child) .custom-file-label::before { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} + +.input-group > .custom-file:not(:first-child) .custom-file-label, +.input-group > .custom-file:not(:first-child) .custom-file-label::before { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} + +.input-group-prepend, +.input-group-append { + display: -webkit-box; + display: -ms-flexbox; + display: flex; +} + +.input-group-prepend .btn, +.input-group-append .btn { + position: relative; + z-index: 2; +} + +.input-group-prepend .btn + .btn, +.input-group-prepend .btn + .input-group-text, +.input-group-prepend .input-group-text + .input-group-text, +.input-group-prepend .input-group-text + .btn, +.input-group-append .btn + .btn, +.input-group-append .btn + .input-group-text, +.input-group-append .input-group-text + .input-group-text, +.input-group-append .input-group-text + .btn { + margin-left: -1px; +} + +.input-group-prepend { + margin-right: -1px; +} + +.input-group-append { + margin-left: -1px; +} + +.input-group-text { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + padding: 0.375rem 0.75rem; + margin-bottom: 0; + font-size: 1rem; + font-weight: 400; + line-height: 1.5; + color: #495057; + text-align: center; + white-space: nowrap; + background-color: #e9ecef; + border: 1px solid #ced4da; + border-radius: 0.25rem; +} + +.input-group-text input[type="radio"], +.input-group-text input[type="checkbox"] { + margin-top: 0; +} + +.input-group > .input-group-prepend > .btn, +.input-group > .input-group-prepend > .input-group-text, +.input-group > .input-group-append:not(:last-child) > .btn, +.input-group > .input-group-append:not(:last-child) > .input-group-text, +.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle), +.input-group > .input-group-append:last-child > .input-group-text:not(:last-child) { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} + +.input-group > .input-group-append > .btn, +.input-group > .input-group-append > .input-group-text, +.input-group > .input-group-prepend:not(:first-child) > .btn, +.input-group > .input-group-prepend:not(:first-child) > .input-group-text, +.input-group > .input-group-prepend:first-child > .btn:not(:first-child), +.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} + +.custom-control { + position: relative; + display: block; + min-height: 1.5rem; + padding-left: 1.5rem; +} + +.custom-control-inline { + display: -webkit-inline-box; + display: -ms-inline-flexbox; + display: inline-flex; + margin-right: 1rem; +} + +.custom-control-input { + position: absolute; + z-index: -1; + opacity: 0; +} + +.custom-control-input:checked ~ .custom-control-label::before { + color: #fff; + background-color: #007bff; +} + +.custom-control-input:focus ~ .custom-control-label::before { + box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25); +} + +.custom-control-input:active ~ .custom-control-label::before { + color: #fff; + background-color: #b3d7ff; +} + +.custom-control-input:disabled ~ .custom-control-label { + color: #6c757d; +} + +.custom-control-input:disabled ~ .custom-control-label::before { + background-color: #e9ecef; +} + +.custom-control-label { + margin-bottom: 0; +} + +.custom-control-label::before { + position: absolute; + top: 0.25rem; + left: 0; + display: block; + width: 1rem; + height: 1rem; + pointer-events: none; + content: ""; + -webkit-user-select: none; + -moz-user-select: none; + -ms-user-select: none; + user-select: none; + background-color: #dee2e6; +} + +.custom-control-label::after { + position: absolute; + top: 0.25rem; + left: 0; + display: block; + width: 1rem; + height: 1rem; + content: ""; + background-repeat: no-repeat; + background-position: center center; + background-size: 50% 50%; +} + +.custom-checkbox .custom-control-label::before { + border-radius: 0.25rem; +} + +.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before { + background-color: #007bff; +} + +.custom-checkbox .custom-control-input:checked ~ .custom-control-label::after { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"); +} + +.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::before { + background-color: #007bff; +} + +.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::after { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='%23fff' d='M0 2h4'/%3E%3C/svg%3E"); +} + +.custom-checkbox .custom-control-input:disabled:checked ~ .custom-control-label::before { + background-color: rgba(0, 123, 255, 0.5); +} + +.custom-checkbox .custom-control-input:disabled:indeterminate ~ .custom-control-label::before { + background-color: rgba(0, 123, 255, 0.5); +} + +.custom-radio .custom-control-label::before { + border-radius: 50%; +} + +.custom-radio .custom-control-input:checked ~ .custom-control-label::before { + background-color: #007bff; +} + +.custom-radio .custom-control-input:checked ~ .custom-control-label::after { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23fff'/%3E%3C/svg%3E"); +} + +.custom-radio .custom-control-input:disabled:checked ~ .custom-control-label::before { + background-color: rgba(0, 123, 255, 0.5); +} + +.custom-select { + display: inline-block; + width: 100%; + height: calc(2.25rem + 2px); + padding: 0.375rem 1.75rem 0.375rem 0.75rem; + line-height: 1.5; + color: #495057; + vertical-align: middle; + background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center; + background-size: 8px 10px; + border: 1px solid #ced4da; + border-radius: 0.25rem; + -webkit-appearance: none; + -moz-appearance: none; + appearance: none; +} + +.custom-select:focus { + border-color: #80bdff; + outline: 0; + box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075), 0 0 5px rgba(128, 189, 255, 0.5); +} + +.custom-select:focus::-ms-value { + color: #495057; + background-color: #fff; +} + +.custom-select[multiple], .custom-select[size]:not([size="1"]) { + height: auto; + padding-right: 0.75rem; + background-image: none; +} + +.custom-select:disabled { + color: #6c757d; + background-color: #e9ecef; +} + +.custom-select::-ms-expand { + opacity: 0; +} + +.custom-select-sm { + height: calc(1.8125rem + 2px); + padding-top: 0.375rem; + padding-bottom: 0.375rem; + font-size: 75%; +} + +.custom-select-lg { + height: calc(2.875rem + 2px); + padding-top: 0.375rem; + padding-bottom: 0.375rem; + font-size: 125%; +} + +.custom-file { + position: relative; + display: inline-block; + width: 100%; + height: calc(2.25rem + 2px); + margin-bottom: 0; +} + +.custom-file-input { + position: relative; + z-index: 2; + width: 100%; + height: calc(2.25rem + 2px); + margin: 0; + opacity: 0; +} + +.custom-file-input:focus ~ .custom-file-control { + border-color: #80bdff; + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); +} + +.custom-file-input:focus ~ .custom-file-control::before { + border-color: #80bdff; +} + +.custom-file-input:lang(en) ~ .custom-file-label::after { + content: "Browse"; +} + +.custom-file-label { + position: absolute; + top: 0; + right: 0; + left: 0; + z-index: 1; + height: calc(2.25rem + 2px); + padding: 0.375rem 0.75rem; + line-height: 1.5; + color: #495057; + background-color: #fff; + border: 1px solid #ced4da; + border-radius: 0.25rem; +} + +.custom-file-label::after { + position: absolute; + top: 0; + right: 0; + bottom: 0; + z-index: 3; + display: block; + height: calc(calc(2.25rem + 2px) - 1px * 2); + padding: 0.375rem 0.75rem; + line-height: 1.5; + color: #495057; + content: "Browse"; + background-color: #e9ecef; + border-left: 1px solid #ced4da; + border-radius: 0 0.25rem 0.25rem 0; +} + +.nav { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + padding-left: 0; + margin-bottom: 0; + list-style: none; +} + +.nav-link { + display: block; + padding: 0.5rem 1rem; +} + +.nav-link:hover, .nav-link:focus { + text-decoration: none; +} + +.nav-link.disabled { + color: #6c757d; +} + +.nav-tabs { + border-bottom: 1px solid #dee2e6; +} + +.nav-tabs .nav-item { + margin-bottom: -1px; +} + +.nav-tabs .nav-link { + border: 1px solid transparent; + border-top-left-radius: 0.25rem; + border-top-right-radius: 0.25rem; +} + +.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus { + border-color: #e9ecef #e9ecef #dee2e6; +} + +.nav-tabs .nav-link.disabled { + color: #6c757d; + background-color: transparent; + border-color: transparent; +} + +.nav-tabs .nav-link.active, +.nav-tabs .nav-item.show .nav-link { + color: #495057; + background-color: #fff; + border-color: #dee2e6 #dee2e6 #fff; +} + +.nav-tabs .dropdown-menu { + margin-top: -1px; + border-top-left-radius: 0; + border-top-right-radius: 0; +} + +.nav-pills .nav-link { + border-radius: 0.25rem; +} + +.nav-pills .nav-link.active, +.nav-pills .show > .nav-link { + color: #fff; + background-color: #007bff; +} + +.nav-fill .nav-item { + -webkit-box-flex: 1; + -ms-flex: 1 1 auto; + flex: 1 1 auto; + text-align: center; +} + +.nav-justified .nav-item { + -ms-flex-preferred-size: 0; + flex-basis: 0; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + text-align: center; +} + +.tab-content > .tab-pane { + display: none; +} + +.tab-content > .active { + display: block; +} + +.navbar { + position: relative; + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: justify; + -ms-flex-pack: justify; + justify-content: space-between; + padding: 0.5rem 1rem; +} + +.navbar > .container, +.navbar > .container-fluid { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: justify; + -ms-flex-pack: justify; + justify-content: space-between; +} + +.navbar-brand { + display: inline-block; + padding-top: 0.3125rem; + padding-bottom: 0.3125rem; + margin-right: 1rem; + font-size: 1.25rem; + line-height: inherit; + white-space: nowrap; +} + +.navbar-brand:hover, .navbar-brand:focus { + text-decoration: none; +} + +.navbar-nav { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + padding-left: 0; + margin-bottom: 0; + list-style: none; +} + +.navbar-nav .nav-link { + padding-right: 0; + padding-left: 0; +} + +.navbar-nav .dropdown-menu { + position: static; + float: none; +} + +.navbar-text { + display: inline-block; + padding-top: 0.5rem; + padding-bottom: 0.5rem; +} + +.navbar-collapse { + -ms-flex-preferred-size: 100%; + flex-basis: 100%; + -webkit-box-flex: 1; + -ms-flex-positive: 1; + flex-grow: 1; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; +} + +.navbar-toggler { + padding: 0.25rem 0.75rem; + font-size: 1.25rem; + line-height: 1; + background-color: transparent; + border: 1px solid transparent; + border-radius: 0.25rem; +} + +.navbar-toggler:hover, .navbar-toggler:focus { + text-decoration: none; +} + +.navbar-toggler:not(:disabled):not(.disabled) { + cursor: pointer; +} + +.navbar-toggler-icon { + display: inline-block; + width: 1.5em; + height: 1.5em; + vertical-align: middle; + content: ""; + background: no-repeat center center; + background-size: 100% 100%; +} + +@media (max-width: 575.98px) { + .navbar-expand-sm > .container, + .navbar-expand-sm > .container-fluid { + padding-right: 0; + padding-left: 0; + } +} + +@media (min-width: 576px) { + .navbar-expand-sm { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row nowrap; + flex-flow: row nowrap; + -webkit-box-pack: start; + -ms-flex-pack: start; + justify-content: flex-start; + } + .navbar-expand-sm .navbar-nav { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-direction: row; + flex-direction: row; + } + .navbar-expand-sm .navbar-nav .dropdown-menu { + position: absolute; + } + .navbar-expand-sm .navbar-nav .dropdown-menu-right { + right: 0; + left: auto; + } + .navbar-expand-sm .navbar-nav .nav-link { + padding-right: 0.5rem; + padding-left: 0.5rem; + } + .navbar-expand-sm > .container, + .navbar-expand-sm > .container-fluid { + -ms-flex-wrap: nowrap; + flex-wrap: nowrap; + } + .navbar-expand-sm .navbar-collapse { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + -ms-flex-preferred-size: auto; + flex-basis: auto; + } + .navbar-expand-sm .navbar-toggler { + display: none; + } + .navbar-expand-sm .dropup .dropdown-menu { + top: auto; + bottom: 100%; + } +} + +@media (max-width: 767.98px) { + .navbar-expand-md > .container, + .navbar-expand-md > .container-fluid { + padding-right: 0; + padding-left: 0; + } +} + +@media (min-width: 768px) { + .navbar-expand-md { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row nowrap; + flex-flow: row nowrap; + -webkit-box-pack: start; + -ms-flex-pack: start; + justify-content: flex-start; + } + .navbar-expand-md .navbar-nav { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-direction: row; + flex-direction: row; + } + .navbar-expand-md .navbar-nav .dropdown-menu { + position: absolute; + } + .navbar-expand-md .navbar-nav .dropdown-menu-right { + right: 0; + left: auto; + } + .navbar-expand-md .navbar-nav .nav-link { + padding-right: 0.5rem; + padding-left: 0.5rem; + } + .navbar-expand-md > .container, + .navbar-expand-md > .container-fluid { + -ms-flex-wrap: nowrap; + flex-wrap: nowrap; + } + .navbar-expand-md .navbar-collapse { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + -ms-flex-preferred-size: auto; + flex-basis: auto; + } + .navbar-expand-md .navbar-toggler { + display: none; + } + .navbar-expand-md .dropup .dropdown-menu { + top: auto; + bottom: 100%; + } +} + +@media (max-width: 991.98px) { + .navbar-expand-lg > .container, + .navbar-expand-lg > .container-fluid { + padding-right: 0; + padding-left: 0; + } +} + +@media (min-width: 992px) { + .navbar-expand-lg { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row nowrap; + flex-flow: row nowrap; + -webkit-box-pack: start; + -ms-flex-pack: start; + justify-content: flex-start; + } + .navbar-expand-lg .navbar-nav { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-direction: row; + flex-direction: row; + } + .navbar-expand-lg .navbar-nav .dropdown-menu { + position: absolute; + } + .navbar-expand-lg .navbar-nav .dropdown-menu-right { + right: 0; + left: auto; + } + .navbar-expand-lg .navbar-nav .nav-link { + padding-right: 0.5rem; + padding-left: 0.5rem; + } + .navbar-expand-lg > .container, + .navbar-expand-lg > .container-fluid { + -ms-flex-wrap: nowrap; + flex-wrap: nowrap; + } + .navbar-expand-lg .navbar-collapse { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + -ms-flex-preferred-size: auto; + flex-basis: auto; + } + .navbar-expand-lg .navbar-toggler { + display: none; + } + .navbar-expand-lg .dropup .dropdown-menu { + top: auto; + bottom: 100%; + } +} + +@media (max-width: 1199.98px) { + .navbar-expand-xl > .container, + .navbar-expand-xl > .container-fluid { + padding-right: 0; + padding-left: 0; + } +} + +@media (min-width: 1200px) { + .navbar-expand-xl { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row nowrap; + flex-flow: row nowrap; + -webkit-box-pack: start; + -ms-flex-pack: start; + justify-content: flex-start; + } + .navbar-expand-xl .navbar-nav { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-direction: row; + flex-direction: row; + } + .navbar-expand-xl .navbar-nav .dropdown-menu { + position: absolute; + } + .navbar-expand-xl .navbar-nav .dropdown-menu-right { + right: 0; + left: auto; + } + .navbar-expand-xl .navbar-nav .nav-link { + padding-right: 0.5rem; + padding-left: 0.5rem; + } + .navbar-expand-xl > .container, + .navbar-expand-xl > .container-fluid { + -ms-flex-wrap: nowrap; + flex-wrap: nowrap; + } + .navbar-expand-xl .navbar-collapse { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + -ms-flex-preferred-size: auto; + flex-basis: auto; + } + .navbar-expand-xl .navbar-toggler { + display: none; + } + .navbar-expand-xl .dropup .dropdown-menu { + top: auto; + bottom: 100%; + } +} + +.navbar-expand { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row nowrap; + flex-flow: row nowrap; + -webkit-box-pack: start; + -ms-flex-pack: start; + justify-content: flex-start; +} + +.navbar-expand > .container, +.navbar-expand > .container-fluid { + padding-right: 0; + padding-left: 0; +} + +.navbar-expand .navbar-nav { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-direction: row; + flex-direction: row; +} + +.navbar-expand .navbar-nav .dropdown-menu { + position: absolute; +} + +.navbar-expand .navbar-nav .dropdown-menu-right { + right: 0; + left: auto; +} + +.navbar-expand .navbar-nav .nav-link { + padding-right: 0.5rem; + padding-left: 0.5rem; +} + +.navbar-expand > .container, +.navbar-expand > .container-fluid { + -ms-flex-wrap: nowrap; + flex-wrap: nowrap; +} + +.navbar-expand .navbar-collapse { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + -ms-flex-preferred-size: auto; + flex-basis: auto; +} + +.navbar-expand .navbar-toggler { + display: none; +} + +.navbar-expand .dropup .dropdown-menu { + top: auto; + bottom: 100%; +} + +.navbar-light .navbar-brand { + color: rgba(0, 0, 0, 0.9); +} + +.navbar-light .navbar-brand:hover, .navbar-light .navbar-brand:focus { + color: rgba(0, 0, 0, 0.9); +} + +.navbar-light .navbar-nav .nav-link { + color: rgba(0, 0, 0, 0.5); +} + +.navbar-light .navbar-nav .nav-link:hover, .navbar-light .navbar-nav .nav-link:focus { + color: rgba(0, 0, 0, 0.7); +} + +.navbar-light .navbar-nav .nav-link.disabled { + color: rgba(0, 0, 0, 0.3); +} + +.navbar-light .navbar-nav .show > .nav-link, +.navbar-light .navbar-nav .active > .nav-link, +.navbar-light .navbar-nav .nav-link.show, +.navbar-light .navbar-nav .nav-link.active { + color: rgba(0, 0, 0, 0.9); +} + +.navbar-light .navbar-toggler { + color: rgba(0, 0, 0, 0.5); + border-color: rgba(0, 0, 0, 0.1); +} + +.navbar-light .navbar-toggler-icon { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0, 0, 0, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"); +} + +.navbar-light .navbar-text { + color: rgba(0, 0, 0, 0.5); +} + +.navbar-light .navbar-text a { + color: rgba(0, 0, 0, 0.9); +} + +.navbar-light .navbar-text a:hover, .navbar-light .navbar-text a:focus { + color: rgba(0, 0, 0, 0.9); +} + +.navbar-dark .navbar-brand { + color: #fff; +} + +.navbar-dark .navbar-brand:hover, .navbar-dark .navbar-brand:focus { + color: #fff; +} + +.navbar-dark .navbar-nav .nav-link { + color: rgba(255, 255, 255, 0.5); +} + +.navbar-dark .navbar-nav .nav-link:hover, .navbar-dark .navbar-nav .nav-link:focus { + color: rgba(255, 255, 255, 0.75); +} + +.navbar-dark .navbar-nav .nav-link.disabled { + color: rgba(255, 255, 255, 0.25); +} + +.navbar-dark .navbar-nav .show > .nav-link, +.navbar-dark .navbar-nav .active > .nav-link, +.navbar-dark .navbar-nav .nav-link.show, +.navbar-dark .navbar-nav .nav-link.active { + color: #fff; +} + +.navbar-dark .navbar-toggler { + color: rgba(255, 255, 255, 0.5); + border-color: rgba(255, 255, 255, 0.1); +} + +.navbar-dark .navbar-toggler-icon { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"); +} + +.navbar-dark .navbar-text { + color: rgba(255, 255, 255, 0.5); +} + +.navbar-dark .navbar-text a { + color: #fff; +} + +.navbar-dark .navbar-text a:hover, .navbar-dark .navbar-text a:focus { + color: #fff; +} + +.card { + position: relative; + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + min-width: 0; + word-wrap: break-word; + background-color: #fff; + background-clip: border-box; + border: 1px solid rgba(0, 0, 0, 0.125); + border-radius: 0.25rem; +} + +.card > hr { + margin-right: 0; + margin-left: 0; +} + +.card > .list-group:first-child .list-group-item:first-child { + border-top-left-radius: 0.25rem; + border-top-right-radius: 0.25rem; +} + +.card > .list-group:last-child .list-group-item:last-child { + border-bottom-right-radius: 0.25rem; + border-bottom-left-radius: 0.25rem; +} + +.card-body { + -webkit-box-flex: 1; + -ms-flex: 1 1 auto; + flex: 1 1 auto; + padding: 1.25rem; +} + +.card-title { + margin-bottom: 0.75rem; +} + +.card-subtitle { + margin-top: -0.375rem; + margin-bottom: 0; +} + +.card-text:last-child { + margin-bottom: 0; +} + +.card-link:hover { + text-decoration: none; +} + +.card-link + .card-link { + margin-left: 1.25rem; +} + +.card-header { + padding: 0.75rem 1.25rem; + margin-bottom: 0; + background-color: rgba(0, 0, 0, 0.03); + border-bottom: 1px solid rgba(0, 0, 0, 0.125); +} + +.card-header:first-child { + border-radius: calc(0.25rem - 1px) calc(0.25rem - 1px) 0 0; +} + +.card-header + .list-group .list-group-item:first-child { + border-top: 0; +} + +.card-footer { + padding: 0.75rem 1.25rem; + background-color: rgba(0, 0, 0, 0.03); + border-top: 1px solid rgba(0, 0, 0, 0.125); +} + +.card-footer:last-child { + border-radius: 0 0 calc(0.25rem - 1px) calc(0.25rem - 1px); +} + +.card-header-tabs { + margin-right: -0.625rem; + margin-bottom: -0.75rem; + margin-left: -0.625rem; + border-bottom: 0; +} + +.card-header-pills { + margin-right: -0.625rem; + margin-left: -0.625rem; +} + +.card-img-overlay { + position: absolute; + top: 0; + right: 0; + bottom: 0; + left: 0; + padding: 1.25rem; +} + +.card-img { + width: 100%; + border-radius: calc(0.25rem - 1px); +} + +.card-img-top { + width: 100%; + border-top-left-radius: calc(0.25rem - 1px); + border-top-right-radius: calc(0.25rem - 1px); +} + +.card-img-bottom { + width: 100%; + border-bottom-right-radius: calc(0.25rem - 1px); + border-bottom-left-radius: calc(0.25rem - 1px); +} + +.card-deck { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; +} + +.card-deck .card { + margin-bottom: 15px; +} + +@media (min-width: 576px) { + .card-deck { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row wrap; + flex-flow: row wrap; + margin-right: -15px; + margin-left: -15px; + } + .card-deck .card { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-flex: 1; + -ms-flex: 1 0 0%; + flex: 1 0 0%; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + margin-right: 15px; + margin-bottom: 0; + margin-left: 15px; + } +} + +.card-group { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; +} + +.card-group > .card { + margin-bottom: 15px; +} + +@media (min-width: 576px) { + .card-group { + -webkit-box-orient: horizontal; + -webkit-box-direction: normal; + -ms-flex-flow: row wrap; + flex-flow: row wrap; + } + .card-group > .card { + -webkit-box-flex: 1; + -ms-flex: 1 0 0%; + flex: 1 0 0%; + margin-bottom: 0; + } + .card-group > .card + .card { + margin-left: 0; + border-left: 0; + } + .card-group > .card:first-child { + border-top-right-radius: 0; + border-bottom-right-radius: 0; + } + .card-group > .card:first-child .card-img-top, + .card-group > .card:first-child .card-header { + border-top-right-radius: 0; + } + .card-group > .card:first-child .card-img-bottom, + .card-group > .card:first-child .card-footer { + border-bottom-right-radius: 0; + } + .card-group > .card:last-child { + border-top-left-radius: 0; + border-bottom-left-radius: 0; + } + .card-group > .card:last-child .card-img-top, + .card-group > .card:last-child .card-header { + border-top-left-radius: 0; + } + .card-group > .card:last-child .card-img-bottom, + .card-group > .card:last-child .card-footer { + border-bottom-left-radius: 0; + } + .card-group > .card:only-child { + border-radius: 0.25rem; + } + .card-group > .card:only-child .card-img-top, + .card-group > .card:only-child .card-header { + border-top-left-radius: 0.25rem; + border-top-right-radius: 0.25rem; + } + .card-group > .card:only-child .card-img-bottom, + .card-group > .card:only-child .card-footer { + border-bottom-right-radius: 0.25rem; + border-bottom-left-radius: 0.25rem; + } + .card-group > .card:not(:first-child):not(:last-child):not(:only-child) { + border-radius: 0; + } + .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-img-top, + .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-img-bottom, + .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-header, + .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-footer { + border-radius: 0; + } +} + +.card-columns .card { + margin-bottom: 0.75rem; +} + +@media (min-width: 576px) { + .card-columns { + -webkit-column-count: 3; + -moz-column-count: 3; + column-count: 3; + -webkit-column-gap: 1.25rem; + -moz-column-gap: 1.25rem; + column-gap: 1.25rem; + } + .card-columns .card { + display: inline-block; + width: 100%; + } +} + +.breadcrumb { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -ms-flex-wrap: wrap; + flex-wrap: wrap; + padding: 0.75rem 1rem; + margin-bottom: 1rem; + list-style: none; + background-color: #e9ecef; + border-radius: 0.25rem; +} + +.breadcrumb-item + .breadcrumb-item::before { + display: inline-block; + padding-right: 0.5rem; + padding-left: 0.5rem; + color: #6c757d; + content: "/"; +} + +.breadcrumb-item + .breadcrumb-item:hover::before { + text-decoration: underline; +} + +.breadcrumb-item + .breadcrumb-item:hover::before { + text-decoration: none; +} + +.breadcrumb-item.active { + color: #6c757d; +} + +.pagination { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + padding-left: 0; + list-style: none; + border-radius: 0.25rem; +} + +.page-link { + position: relative; + display: block; + padding: 0.5rem 0.75rem; + margin-left: -1px; + line-height: 1.25; + color: #007bff; + background-color: #fff; + border: 1px solid #dee2e6; +} + +.page-link:hover { + color: #0056b3; + text-decoration: none; + background-color: #e9ecef; + border-color: #dee2e6; +} + +.page-link:focus { + z-index: 2; + outline: 0; + box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); +} + +.page-link:not(:disabled):not(.disabled) { + cursor: pointer; +} + +.page-item:first-child .page-link { + margin-left: 0; + border-top-left-radius: 0.25rem; + border-bottom-left-radius: 0.25rem; +} + +.page-item:last-child .page-link { + border-top-right-radius: 0.25rem; + border-bottom-right-radius: 0.25rem; +} + +.page-item.active .page-link { + z-index: 1; + color: #fff; + background-color: #007bff; + border-color: #007bff; +} + +.page-item.disabled .page-link { + color: #6c757d; + pointer-events: none; + cursor: auto; + background-color: #fff; + border-color: #dee2e6; +} + +.pagination-lg .page-link { + padding: 0.75rem 1.5rem; + font-size: 1.25rem; + line-height: 1.5; +} + +.pagination-lg .page-item:first-child .page-link { + border-top-left-radius: 0.3rem; + border-bottom-left-radius: 0.3rem; +} + +.pagination-lg .page-item:last-child .page-link { + border-top-right-radius: 0.3rem; + border-bottom-right-radius: 0.3rem; +} + +.pagination-sm .page-link { + padding: 0.25rem 0.5rem; + font-size: 0.875rem; + line-height: 1.5; +} + +.pagination-sm .page-item:first-child .page-link { + border-top-left-radius: 0.2rem; + border-bottom-left-radius: 0.2rem; +} + +.pagination-sm .page-item:last-child .page-link { + border-top-right-radius: 0.2rem; + border-bottom-right-radius: 0.2rem; +} + +.badge { + display: inline-block; + padding: 0.25em 0.4em; + font-size: 75%; + font-weight: 700; + line-height: 1; + text-align: center; + white-space: nowrap; + vertical-align: baseline; + border-radius: 0.25rem; +} + +.badge:empty { + display: none; +} + +.btn .badge { + position: relative; + top: -1px; +} + +.badge-pill { + padding-right: 0.6em; + padding-left: 0.6em; + border-radius: 10rem; +} + +.badge-primary { + color: #fff; + background-color: #007bff; +} + +.badge-primary[href]:hover, .badge-primary[href]:focus { + color: #fff; + text-decoration: none; + background-color: #0062cc; +} + +.badge-secondary { + color: #fff; + background-color: #6c757d; +} + +.badge-secondary[href]:hover, .badge-secondary[href]:focus { + color: #fff; + text-decoration: none; + background-color: #545b62; +} + +.badge-success { + color: #fff; + background-color: #28a745; +} + +.badge-success[href]:hover, .badge-success[href]:focus { + color: #fff; + text-decoration: none; + background-color: #1e7e34; +} + +.badge-info { + color: #fff; + background-color: #17a2b8; +} + +.badge-info[href]:hover, .badge-info[href]:focus { + color: #fff; + text-decoration: none; + background-color: #117a8b; +} + +.badge-warning { + color: #212529; + background-color: #ffc107; +} + +.badge-warning[href]:hover, .badge-warning[href]:focus { + color: #212529; + text-decoration: none; + background-color: #d39e00; +} + +.badge-danger { + color: #fff; + background-color: #dc3545; +} + +.badge-danger[href]:hover, .badge-danger[href]:focus { + color: #fff; + text-decoration: none; + background-color: #bd2130; +} + +.badge-light { + color: #212529; + background-color: #f8f9fa; +} + +.badge-light[href]:hover, .badge-light[href]:focus { + color: #212529; + text-decoration: none; + background-color: #dae0e5; +} + +.badge-dark { + color: #fff; + background-color: #343a40; +} + +.badge-dark[href]:hover, .badge-dark[href]:focus { + color: #fff; + text-decoration: none; + background-color: #1d2124; +} + +.jumbotron { + padding: 2rem 1rem; + margin-bottom: 2rem; + background-color: #e9ecef; + border-radius: 0.3rem; +} + +@media (min-width: 576px) { + .jumbotron { + padding: 4rem 2rem; + } +} + +.jumbotron-fluid { + padding-right: 0; + padding-left: 0; + border-radius: 0; +} + +.alert { + position: relative; + padding: 0.75rem 1.25rem; + margin-bottom: 1rem; + border: 1px solid transparent; + border-radius: 0.25rem; +} + +.alert-heading { + color: inherit; +} + +.alert-link { + font-weight: 700; +} + +.alert-dismissible { + padding-right: 4rem; +} + +.alert-dismissible .close { + position: absolute; + top: 0; + right: 0; + padding: 0.75rem 1.25rem; + color: inherit; +} + +.alert-primary { + color: #004085; + background-color: #cce5ff; + border-color: #b8daff; +} + +.alert-primary hr { + border-top-color: #9fcdff; +} + +.alert-primary .alert-link { + color: #002752; +} + +.alert-secondary { + color: #383d41; + background-color: #e2e3e5; + border-color: #d6d8db; +} + +.alert-secondary hr { + border-top-color: #c8cbcf; +} + +.alert-secondary .alert-link { + color: #202326; +} + +.alert-success { + color: #155724; + background-color: #d4edda; + border-color: #c3e6cb; +} + +.alert-success hr { + border-top-color: #b1dfbb; +} + +.alert-success .alert-link { + color: #0b2e13; +} + +.alert-info { + color: #0c5460; + background-color: #d1ecf1; + border-color: #bee5eb; +} + +.alert-info hr { + border-top-color: #abdde5; +} + +.alert-info .alert-link { + color: #062c33; +} + +.alert-warning { + color: #856404; + background-color: #fff3cd; + border-color: #ffeeba; +} + +.alert-warning hr { + border-top-color: #ffe8a1; +} + +.alert-warning .alert-link { + color: #533f03; +} + +.alert-danger { + color: #721c24; + background-color: #f8d7da; + border-color: #f5c6cb; +} + +.alert-danger hr { + border-top-color: #f1b0b7; +} + +.alert-danger .alert-link { + color: #491217; +} + +.alert-light { + color: #818182; + background-color: #fefefe; + border-color: #fdfdfe; +} + +.alert-light hr { + border-top-color: #ececf6; +} + +.alert-light .alert-link { + color: #686868; +} + +.alert-dark { + color: #1b1e21; + background-color: #d6d8d9; + border-color: #c6c8ca; +} + +.alert-dark hr { + border-top-color: #b9bbbe; +} + +.alert-dark .alert-link { + color: #040505; +} + +@-webkit-keyframes progress-bar-stripes { + from { + background-position: 1rem 0; + } + to { + background-position: 0 0; + } +} + +@keyframes progress-bar-stripes { + from { + background-position: 1rem 0; + } + to { + background-position: 0 0; + } +} + +.progress { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + height: 1rem; + overflow: hidden; + font-size: 0.75rem; + background-color: #e9ecef; + border-radius: 0.25rem; +} + +.progress-bar { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; + color: #fff; + text-align: center; + background-color: #007bff; + transition: width 0.6s ease; +} + +.progress-bar-striped { + background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent); + background-size: 1rem 1rem; +} + +.progress-bar-animated { + -webkit-animation: progress-bar-stripes 1s linear infinite; + animation: progress-bar-stripes 1s linear infinite; +} + +.media { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: start; + -ms-flex-align: start; + align-items: flex-start; +} + +.media-body { + -webkit-box-flex: 1; + -ms-flex: 1; + flex: 1; +} + +.list-group { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + padding-left: 0; + margin-bottom: 0; +} + +.list-group-item-action { + width: 100%; + color: #495057; + text-align: inherit; +} + +.list-group-item-action:hover, .list-group-item-action:focus { + color: #495057; + text-decoration: none; + background-color: #f8f9fa; +} + +.list-group-item-action:active { + color: #212529; + background-color: #e9ecef; +} + +.list-group-item { + position: relative; + display: block; + padding: 0.75rem 1.25rem; + margin-bottom: -1px; + background-color: #fff; + border: 1px solid rgba(0, 0, 0, 0.125); +} + +.list-group-item:first-child { + border-top-left-radius: 0.25rem; + border-top-right-radius: 0.25rem; +} + +.list-group-item:last-child { + margin-bottom: 0; + border-bottom-right-radius: 0.25rem; + border-bottom-left-radius: 0.25rem; +} + +.list-group-item:hover, .list-group-item:focus { + z-index: 1; + text-decoration: none; +} + +.list-group-item.disabled, .list-group-item:disabled { + color: #6c757d; + background-color: #fff; +} + +.list-group-item.active { + z-index: 2; + color: #fff; + background-color: #007bff; + border-color: #007bff; +} + +.list-group-flush .list-group-item { + border-right: 0; + border-left: 0; + border-radius: 0; +} + +.list-group-flush:first-child .list-group-item:first-child { + border-top: 0; +} + +.list-group-flush:last-child .list-group-item:last-child { + border-bottom: 0; +} + +.list-group-item-primary { + color: #004085; + background-color: #b8daff; +} + +.list-group-item-primary.list-group-item-action:hover, .list-group-item-primary.list-group-item-action:focus { + color: #004085; + background-color: #9fcdff; +} + +.list-group-item-primary.list-group-item-action.active { + color: #fff; + background-color: #004085; + border-color: #004085; +} + +.list-group-item-secondary { + color: #383d41; + background-color: #d6d8db; +} + +.list-group-item-secondary.list-group-item-action:hover, .list-group-item-secondary.list-group-item-action:focus { + color: #383d41; + background-color: #c8cbcf; +} + +.list-group-item-secondary.list-group-item-action.active { + color: #fff; + background-color: #383d41; + border-color: #383d41; +} + +.list-group-item-success { + color: #155724; + background-color: #c3e6cb; +} + +.list-group-item-success.list-group-item-action:hover, .list-group-item-success.list-group-item-action:focus { + color: #155724; + background-color: #b1dfbb; +} + +.list-group-item-success.list-group-item-action.active { + color: #fff; + background-color: #155724; + border-color: #155724; +} + +.list-group-item-info { + color: #0c5460; + background-color: #bee5eb; +} + +.list-group-item-info.list-group-item-action:hover, .list-group-item-info.list-group-item-action:focus { + color: #0c5460; + background-color: #abdde5; +} + +.list-group-item-info.list-group-item-action.active { + color: #fff; + background-color: #0c5460; + border-color: #0c5460; +} + +.list-group-item-warning { + color: #856404; + background-color: #ffeeba; +} + +.list-group-item-warning.list-group-item-action:hover, .list-group-item-warning.list-group-item-action:focus { + color: #856404; + background-color: #ffe8a1; +} + +.list-group-item-warning.list-group-item-action.active { + color: #fff; + background-color: #856404; + border-color: #856404; +} + +.list-group-item-danger { + color: #721c24; + background-color: #f5c6cb; +} + +.list-group-item-danger.list-group-item-action:hover, .list-group-item-danger.list-group-item-action:focus { + color: #721c24; + background-color: #f1b0b7; +} + +.list-group-item-danger.list-group-item-action.active { + color: #fff; + background-color: #721c24; + border-color: #721c24; +} + +.list-group-item-light { + color: #818182; + background-color: #fdfdfe; +} + +.list-group-item-light.list-group-item-action:hover, .list-group-item-light.list-group-item-action:focus { + color: #818182; + background-color: #ececf6; +} + +.list-group-item-light.list-group-item-action.active { + color: #fff; + background-color: #818182; + border-color: #818182; +} + +.list-group-item-dark { + color: #1b1e21; + background-color: #c6c8ca; +} + +.list-group-item-dark.list-group-item-action:hover, .list-group-item-dark.list-group-item-action:focus { + color: #1b1e21; + background-color: #b9bbbe; +} + +.list-group-item-dark.list-group-item-action.active { + color: #fff; + background-color: #1b1e21; + border-color: #1b1e21; +} + +.close { + float: right; + font-size: 1.5rem; + font-weight: 700; + line-height: 1; + color: #000; + text-shadow: 0 1px 0 #fff; + opacity: .5; +} + +.close:hover, .close:focus { + color: #000; + text-decoration: none; + opacity: .75; +} + +.close:not(:disabled):not(.disabled) { + cursor: pointer; +} + +button.close { + padding: 0; + background-color: transparent; + border: 0; + -webkit-appearance: none; +} + +.modal-open { + overflow: hidden; +} + +.modal { + position: fixed; + top: 0; + right: 0; + bottom: 0; + left: 0; + z-index: 1050; + display: none; + overflow: hidden; + outline: 0; +} + +.modal-open .modal { + overflow-x: hidden; + overflow-y: auto; +} + +.modal-dialog { + position: relative; + width: auto; + margin: 0.5rem; + pointer-events: none; +} + +.modal.fade .modal-dialog { + transition: -webkit-transform 0.3s ease-out; + transition: transform 0.3s ease-out; + transition: transform 0.3s ease-out, -webkit-transform 0.3s ease-out; + -webkit-transform: translate(0, -25%); + transform: translate(0, -25%); +} + +.modal.show .modal-dialog { + -webkit-transform: translate(0, 0); + transform: translate(0, 0); +} + +.modal-dialog-centered { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + min-height: calc(100% - (0.5rem * 2)); +} + +.modal-content { + position: relative; + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-orient: vertical; + -webkit-box-direction: normal; + -ms-flex-direction: column; + flex-direction: column; + width: 100%; + pointer-events: auto; + background-color: #fff; + background-clip: padding-box; + border: 1px solid rgba(0, 0, 0, 0.2); + border-radius: 0.3rem; + outline: 0; +} + +.modal-backdrop { + position: fixed; + top: 0; + right: 0; + bottom: 0; + left: 0; + z-index: 1040; + background-color: #000; +} + +.modal-backdrop.fade { + opacity: 0; +} + +.modal-backdrop.show { + opacity: 0.5; +} + +.modal-header { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: start; + -ms-flex-align: start; + align-items: flex-start; + -webkit-box-pack: justify; + -ms-flex-pack: justify; + justify-content: space-between; + padding: 1rem; + border-bottom: 1px solid #e9ecef; + border-top-left-radius: 0.3rem; + border-top-right-radius: 0.3rem; +} + +.modal-header .close { + padding: 1rem; + margin: -1rem -1rem -1rem auto; +} + +.modal-title { + margin-bottom: 0; + line-height: 1.5; +} + +.modal-body { + position: relative; + -webkit-box-flex: 1; + -ms-flex: 1 1 auto; + flex: 1 1 auto; + padding: 1rem; +} + +.modal-footer { + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: end; + -ms-flex-pack: end; + justify-content: flex-end; + padding: 1rem; + border-top: 1px solid #e9ecef; +} + +.modal-footer > :not(:first-child) { + margin-left: .25rem; +} + +.modal-footer > :not(:last-child) { + margin-right: .25rem; +} + +.modal-scrollbar-measure { + position: absolute; + top: -9999px; + width: 50px; + height: 50px; + overflow: scroll; +} + +@media (min-width: 576px) { + .modal-dialog { + max-width: 500px; + margin: 1.75rem auto; + } + .modal-dialog-centered { + min-height: calc(100% - (1.75rem * 2)); + } + .modal-sm { + max-width: 300px; + } +} + +@media (min-width: 992px) { + .modal-lg { + max-width: 800px; + } +} + +.tooltip { + position: absolute; + z-index: 1070; + display: block; + margin: 0; + font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; + font-style: normal; + font-weight: 400; + line-height: 1.5; + text-align: left; + text-align: start; + text-decoration: none; + text-shadow: none; + text-transform: none; + letter-spacing: normal; + word-break: normal; + word-spacing: normal; + white-space: normal; + line-break: auto; + font-size: 0.875rem; + word-wrap: break-word; + opacity: 0; +} + +.tooltip.show { + opacity: 0.9; +} + +.tooltip .arrow { + position: absolute; + display: block; + width: 0.8rem; + height: 0.4rem; +} + +.tooltip .arrow::before { + position: absolute; + content: ""; + border-color: transparent; + border-style: solid; +} + +.bs-tooltip-top, .bs-tooltip-auto[x-placement^="top"] { + padding: 0.4rem 0; +} + +.bs-tooltip-top .arrow, .bs-tooltip-auto[x-placement^="top"] .arrow { + bottom: 0; +} + +.bs-tooltip-top .arrow::before, .bs-tooltip-auto[x-placement^="top"] .arrow::before { + top: 0; + border-width: 0.4rem 0.4rem 0; + border-top-color: #000; +} + +.bs-tooltip-right, .bs-tooltip-auto[x-placement^="right"] { + padding: 0 0.4rem; +} + +.bs-tooltip-right .arrow, .bs-tooltip-auto[x-placement^="right"] .arrow { + left: 0; + width: 0.4rem; + height: 0.8rem; +} + +.bs-tooltip-right .arrow::before, .bs-tooltip-auto[x-placement^="right"] .arrow::before { + right: 0; + border-width: 0.4rem 0.4rem 0.4rem 0; + border-right-color: #000; +} + +.bs-tooltip-bottom, .bs-tooltip-auto[x-placement^="bottom"] { + padding: 0.4rem 0; +} + +.bs-tooltip-bottom .arrow, .bs-tooltip-auto[x-placement^="bottom"] .arrow { + top: 0; +} + +.bs-tooltip-bottom .arrow::before, .bs-tooltip-auto[x-placement^="bottom"] .arrow::before { + bottom: 0; + border-width: 0 0.4rem 0.4rem; + border-bottom-color: #000; +} + +.bs-tooltip-left, .bs-tooltip-auto[x-placement^="left"] { + padding: 0 0.4rem; +} + +.bs-tooltip-left .arrow, .bs-tooltip-auto[x-placement^="left"] .arrow { + right: 0; + width: 0.4rem; + height: 0.8rem; +} + +.bs-tooltip-left .arrow::before, .bs-tooltip-auto[x-placement^="left"] .arrow::before { + left: 0; + border-width: 0.4rem 0 0.4rem 0.4rem; + border-left-color: #000; +} + +.tooltip-inner { + max-width: 200px; + padding: 0.25rem 0.5rem; + color: #fff; + text-align: center; + background-color: #000; + border-radius: 0.25rem; +} + +.popover { + position: absolute; + top: 0; + left: 0; + z-index: 1060; + display: block; + max-width: 276px; + font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; + font-style: normal; + font-weight: 400; + line-height: 1.5; + text-align: left; + text-align: start; + text-decoration: none; + text-shadow: none; + text-transform: none; + letter-spacing: normal; + word-break: normal; + word-spacing: normal; + white-space: normal; + line-break: auto; + font-size: 0.875rem; + word-wrap: break-word; + background-color: #fff; + background-clip: padding-box; + border: 1px solid rgba(0, 0, 0, 0.2); + border-radius: 0.3rem; +} + +.popover .arrow { + position: absolute; + display: block; + width: 1rem; + height: 0.5rem; + margin: 0 0.3rem; +} + +.popover .arrow::before, .popover .arrow::after { + position: absolute; + display: block; + content: ""; + border-color: transparent; + border-style: solid; +} + +.bs-popover-top, .bs-popover-auto[x-placement^="top"] { + margin-bottom: 0.5rem; +} + +.bs-popover-top .arrow, .bs-popover-auto[x-placement^="top"] .arrow { + bottom: calc((0.5rem + 1px) * -1); +} + +.bs-popover-top .arrow::before, .bs-popover-auto[x-placement^="top"] .arrow::before, +.bs-popover-top .arrow::after, .bs-popover-auto[x-placement^="top"] .arrow::after { + border-width: 0.5rem 0.5rem 0; +} + +.bs-popover-top .arrow::before, .bs-popover-auto[x-placement^="top"] .arrow::before { + bottom: 0; + border-top-color: rgba(0, 0, 0, 0.25); +} + +.bs-popover-top .arrow::after, .bs-popover-auto[x-placement^="top"] .arrow::after { + bottom: 1px; + border-top-color: #fff; +} + +.bs-popover-right, .bs-popover-auto[x-placement^="right"] { + margin-left: 0.5rem; +} + +.bs-popover-right .arrow, .bs-popover-auto[x-placement^="right"] .arrow { + left: calc((0.5rem + 1px) * -1); + width: 0.5rem; + height: 1rem; + margin: 0.3rem 0; +} + +.bs-popover-right .arrow::before, .bs-popover-auto[x-placement^="right"] .arrow::before, +.bs-popover-right .arrow::after, .bs-popover-auto[x-placement^="right"] .arrow::after { + border-width: 0.5rem 0.5rem 0.5rem 0; +} + +.bs-popover-right .arrow::before, .bs-popover-auto[x-placement^="right"] .arrow::before { + left: 0; + border-right-color: rgba(0, 0, 0, 0.25); +} + +.bs-popover-right .arrow::after, .bs-popover-auto[x-placement^="right"] .arrow::after { + left: 1px; + border-right-color: #fff; +} + +.bs-popover-bottom, .bs-popover-auto[x-placement^="bottom"] { + margin-top: 0.5rem; +} + +.bs-popover-bottom .arrow, .bs-popover-auto[x-placement^="bottom"] .arrow { + top: calc((0.5rem + 1px) * -1); +} + +.bs-popover-bottom .arrow::before, .bs-popover-auto[x-placement^="bottom"] .arrow::before, +.bs-popover-bottom .arrow::after, .bs-popover-auto[x-placement^="bottom"] .arrow::after { + border-width: 0 0.5rem 0.5rem 0.5rem; +} + +.bs-popover-bottom .arrow::before, .bs-popover-auto[x-placement^="bottom"] .arrow::before { + top: 0; + border-bottom-color: rgba(0, 0, 0, 0.25); +} + +.bs-popover-bottom .arrow::after, .bs-popover-auto[x-placement^="bottom"] .arrow::after { + top: 1px; + border-bottom-color: #fff; +} + +.bs-popover-bottom .popover-header::before, .bs-popover-auto[x-placement^="bottom"] .popover-header::before { + position: absolute; + top: 0; + left: 50%; + display: block; + width: 1rem; + margin-left: -0.5rem; + content: ""; + border-bottom: 1px solid #f7f7f7; +} + +.bs-popover-left, .bs-popover-auto[x-placement^="left"] { + margin-right: 0.5rem; +} + +.bs-popover-left .arrow, .bs-popover-auto[x-placement^="left"] .arrow { + right: calc((0.5rem + 1px) * -1); + width: 0.5rem; + height: 1rem; + margin: 0.3rem 0; +} + +.bs-popover-left .arrow::before, .bs-popover-auto[x-placement^="left"] .arrow::before, +.bs-popover-left .arrow::after, .bs-popover-auto[x-placement^="left"] .arrow::after { + border-width: 0.5rem 0 0.5rem 0.5rem; +} + +.bs-popover-left .arrow::before, .bs-popover-auto[x-placement^="left"] .arrow::before { + right: 0; + border-left-color: rgba(0, 0, 0, 0.25); +} + +.bs-popover-left .arrow::after, .bs-popover-auto[x-placement^="left"] .arrow::after { + right: 1px; + border-left-color: #fff; +} + +.popover-header { + padding: 0.5rem 0.75rem; + margin-bottom: 0; + font-size: 1rem; + color: inherit; + background-color: #f7f7f7; + border-bottom: 1px solid #ebebeb; + border-top-left-radius: calc(0.3rem - 1px); + border-top-right-radius: calc(0.3rem - 1px); +} + +.popover-header:empty { + display: none; +} + +.popover-body { + padding: 0.5rem 0.75rem; + color: #212529; +} + +.carousel { + position: relative; +} + +.carousel-inner { + position: relative; + width: 100%; + overflow: hidden; +} + +.carousel-item { + position: relative; + display: none; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + width: 100%; + transition: -webkit-transform 0.6s ease; + transition: transform 0.6s ease; + transition: transform 0.6s ease, -webkit-transform 0.6s ease; + -webkit-backface-visibility: hidden; + backface-visibility: hidden; + -webkit-perspective: 1000px; + perspective: 1000px; +} + +.carousel-item.active, +.carousel-item-next, +.carousel-item-prev { + display: block; +} + +.carousel-item-next, +.carousel-item-prev { + position: absolute; + top: 0; +} + +.carousel-item-next.carousel-item-left, +.carousel-item-prev.carousel-item-right { + -webkit-transform: translateX(0); + transform: translateX(0); +} + +@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) { + .carousel-item-next.carousel-item-left, + .carousel-item-prev.carousel-item-right { + -webkit-transform: translate3d(0, 0, 0); + transform: translate3d(0, 0, 0); + } +} + +.carousel-item-next, +.active.carousel-item-right { + -webkit-transform: translateX(100%); + transform: translateX(100%); +} + +@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) { + .carousel-item-next, + .active.carousel-item-right { + -webkit-transform: translate3d(100%, 0, 0); + transform: translate3d(100%, 0, 0); + } +} + +.carousel-item-prev, +.active.carousel-item-left { + -webkit-transform: translateX(-100%); + transform: translateX(-100%); +} + +@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) { + .carousel-item-prev, + .active.carousel-item-left { + -webkit-transform: translate3d(-100%, 0, 0); + transform: translate3d(-100%, 0, 0); + } +} + +.carousel-control-prev, +.carousel-control-next { + position: absolute; + top: 0; + bottom: 0; + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-align: center; + -ms-flex-align: center; + align-items: center; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; + width: 15%; + color: #fff; + text-align: center; + opacity: 0.5; +} + +.carousel-control-prev:hover, .carousel-control-prev:focus, +.carousel-control-next:hover, +.carousel-control-next:focus { + color: #fff; + text-decoration: none; + outline: 0; + opacity: .9; +} + +.carousel-control-prev { + left: 0; +} + +.carousel-control-next { + right: 0; +} + +.carousel-control-prev-icon, +.carousel-control-next-icon { + display: inline-block; + width: 20px; + height: 20px; + background: transparent no-repeat center center; + background-size: 100% 100%; +} + +.carousel-control-prev-icon { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"); +} + +.carousel-control-next-icon { + background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"); +} + +.carousel-indicators { + position: absolute; + right: 0; + bottom: 10px; + left: 0; + z-index: 15; + display: -webkit-box; + display: -ms-flexbox; + display: flex; + -webkit-box-pack: center; + -ms-flex-pack: center; + justify-content: center; + padding-left: 0; + margin-right: 15%; + margin-left: 15%; + list-style: none; +} + +.carousel-indicators li { + position: relative; + -webkit-box-flex: 0; + -ms-flex: 0 1 auto; + flex: 0 1 auto; + width: 30px; + height: 3px; + margin-right: 3px; + margin-left: 3px; + text-indent: -999px; + background-color: rgba(255, 255, 255, 0.5); +} + +.carousel-indicators li::before { + position: absolute; + top: -10px; + left: 0; + display: inline-block; + width: 100%; + height: 10px; + content: ""; +} + +.carousel-indicators li::after { + position: absolute; + bottom: -10px; + left: 0; + display: inline-block; + width: 100%; + height: 10px; + content: ""; +} + +.carousel-indicators .active { + background-color: #fff; +} + +.carousel-caption { + position: absolute; + right: 15%; + bottom: 20px; + left: 15%; + z-index: 10; + padding-top: 20px; + padding-bottom: 20px; + color: #fff; + text-align: center; +} + +.align-baseline { + vertical-align: baseline !important; +} + +.align-top { + vertical-align: top !important; +} + +.align-middle { + vertical-align: middle !important; +} + +.align-bottom { + vertical-align: bottom !important; +} + +.align-text-bottom { + vertical-align: text-bottom !important; +} + +.align-text-top { + vertical-align: text-top !important; +} + +.bg-primary { + background-color: #007bff !important; +} + +a.bg-primary:hover, a.bg-primary:focus, +button.bg-primary:hover, +button.bg-primary:focus { + background-color: #0062cc !important; +} + +.bg-secondary { + background-color: #6c757d !important; +} + +a.bg-secondary:hover, a.bg-secondary:focus, +button.bg-secondary:hover, +button.bg-secondary:focus { + background-color: #545b62 !important; +} + +.bg-success { + background-color: #28a745 !important; +} + +a.bg-success:hover, a.bg-success:focus, +button.bg-success:hover, +button.bg-success:focus { + background-color: #1e7e34 !important; +} + +.bg-info { + background-color: #17a2b8 !important; +} + +a.bg-info:hover, a.bg-info:focus, +button.bg-info:hover, +button.bg-info:focus { + background-color: #117a8b !important; +} + +.bg-warning { + background-color: #ffc107 !important; +} + +a.bg-warning:hover, a.bg-warning:focus, +button.bg-warning:hover, +button.bg-warning:focus { + background-color: #d39e00 !important; +} + +.bg-danger { + background-color: #dc3545 !important; +} + +a.bg-danger:hover, a.bg-danger:focus, +button.bg-danger:hover, +button.bg-danger:focus { + background-color: #bd2130 !important; +} + +.bg-light { + background-color: #f8f9fa !important; +} + +a.bg-light:hover, a.bg-light:focus, +button.bg-light:hover, +button.bg-light:focus { + background-color: #dae0e5 !important; +} + +.bg-dark { + background-color: #343a40 !important; +} + +a.bg-dark:hover, a.bg-dark:focus, +button.bg-dark:hover, +button.bg-dark:focus { + background-color: #1d2124 !important; +} + +.bg-white { + background-color: #fff !important; +} + +.bg-transparent { + background-color: transparent !important; +} + +.border { + border: 1px solid #dee2e6 !important; +} + +.border-top { + border-top: 1px solid #dee2e6 !important; +} + +.border-right { + border-right: 1px solid #dee2e6 !important; +} + +.border-bottom { + border-bottom: 1px solid #dee2e6 !important; +} + +.border-left { + border-left: 1px solid #dee2e6 !important; +} + +.border-0 { + border: 0 !important; +} + +.border-top-0 { + border-top: 0 !important; +} + +.border-right-0 { + border-right: 0 !important; +} + +.border-bottom-0 { + border-bottom: 0 !important; +} + +.border-left-0 { + border-left: 0 !important; +} + +.border-primary { + border-color: #007bff !important; +} + +.border-secondary { + border-color: #6c757d !important; +} + +.border-success { + border-color: #28a745 !important; +} + +.border-info { + border-color: #17a2b8 !important; +} + +.border-warning { + border-color: #ffc107 !important; +} + +.border-danger { + border-color: #dc3545 !important; +} + +.border-light { + border-color: #f8f9fa !important; +} + +.border-dark { + border-color: #343a40 !important; +} + +.border-white { + border-color: #fff !important; +} + +.rounded { + border-radius: 0.25rem !important; +} + +.rounded-top { + border-top-left-radius: 0.25rem !important; + border-top-right-radius: 0.25rem !important; +} + +.rounded-right { + border-top-right-radius: 0.25rem !important; + border-bottom-right-radius: 0.25rem !important; +} + +.rounded-bottom { + border-bottom-right-radius: 0.25rem !important; + border-bottom-left-radius: 0.25rem !important; +} + +.rounded-left { + border-top-left-radius: 0.25rem !important; + border-bottom-left-radius: 0.25rem !important; +} + +.rounded-circle { + border-radius: 50% !important; +} + +.rounded-0 { + border-radius: 0 !important; +} + +.clearfix::after { + display: block; + clear: both; + content: ""; +} + +.d-none { + display: none !important; +} + +.d-inline { + display: inline !important; +} + +.d-inline-block { + display: inline-block !important; +} + +.d-block { + display: block !important; +} + +.d-table { + display: table !important; +} + +.d-table-row { + display: table-row !important; +} + +.d-table-cell { + display: table-cell !important; +} + +.d-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; +} + +.d-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; +} + +@media (min-width: 576px) { + .d-sm-none { + display: none !important; + } + .d-sm-inline { + display: inline !important; + } + .d-sm-inline-block { + display: inline-block !important; + } + .d-sm-block { + display: block !important; + } + .d-sm-table { + display: table !important; + } + .d-sm-table-row { + display: table-row !important; + } + .d-sm-table-cell { + display: table-cell !important; + } + .d-sm-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-sm-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media (min-width: 768px) { + .d-md-none { + display: none !important; + } + .d-md-inline { + display: inline !important; + } + .d-md-inline-block { + display: inline-block !important; + } + .d-md-block { + display: block !important; + } + .d-md-table { + display: table !important; + } + .d-md-table-row { + display: table-row !important; + } + .d-md-table-cell { + display: table-cell !important; + } + .d-md-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-md-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media (min-width: 992px) { + .d-lg-none { + display: none !important; + } + .d-lg-inline { + display: inline !important; + } + .d-lg-inline-block { + display: inline-block !important; + } + .d-lg-block { + display: block !important; + } + .d-lg-table { + display: table !important; + } + .d-lg-table-row { + display: table-row !important; + } + .d-lg-table-cell { + display: table-cell !important; + } + .d-lg-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-lg-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media (min-width: 1200px) { + .d-xl-none { + display: none !important; + } + .d-xl-inline { + display: inline !important; + } + .d-xl-inline-block { + display: inline-block !important; + } + .d-xl-block { + display: block !important; + } + .d-xl-table { + display: table !important; + } + .d-xl-table-row { + display: table-row !important; + } + .d-xl-table-cell { + display: table-cell !important; + } + .d-xl-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-xl-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +@media print { + .d-print-none { + display: none !important; + } + .d-print-inline { + display: inline !important; + } + .d-print-inline-block { + display: inline-block !important; + } + .d-print-block { + display: block !important; + } + .d-print-table { + display: table !important; + } + .d-print-table-row { + display: table-row !important; + } + .d-print-table-cell { + display: table-cell !important; + } + .d-print-flex { + display: -webkit-box !important; + display: -ms-flexbox !important; + display: flex !important; + } + .d-print-inline-flex { + display: -webkit-inline-box !important; + display: -ms-inline-flexbox !important; + display: inline-flex !important; + } +} + +.embed-responsive { + position: relative; + display: block; + width: 100%; + padding: 0; + overflow: hidden; +} + +.embed-responsive::before { + display: block; + content: ""; +} + +.embed-responsive .embed-responsive-item, +.embed-responsive iframe, +.embed-responsive embed, +.embed-responsive object, +.embed-responsive video { + position: absolute; + top: 0; + bottom: 0; + left: 0; + width: 100%; + height: 100%; + border: 0; +} + +.embed-responsive-21by9::before { + padding-top: 42.857143%; +} + +.embed-responsive-16by9::before { + padding-top: 56.25%; +} + +.embed-responsive-4by3::before { + padding-top: 75%; +} + +.embed-responsive-1by1::before { + padding-top: 100%; +} + +.flex-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; +} + +.flex-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; +} + +.flex-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; +} + +.flex-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; +} + +.flex-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; +} + +.flex-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; +} + +.flex-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; +} + +.justify-content-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; +} + +.justify-content-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; +} + +.justify-content-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; +} + +.justify-content-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; +} + +.justify-content-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; +} + +.align-items-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; +} + +.align-items-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; +} + +.align-items-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; +} + +.align-items-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; +} + +.align-items-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; +} + +.align-content-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; +} + +.align-content-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; +} + +.align-content-center { + -ms-flex-line-pack: center !important; + align-content: center !important; +} + +.align-content-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; +} + +.align-content-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; +} + +.align-content-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; +} + +.align-self-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; +} + +.align-self-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; +} + +.align-self-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; +} + +.align-self-center { + -ms-flex-item-align: center !important; + align-self: center !important; +} + +.align-self-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; +} + +.align-self-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; +} + +@media (min-width: 576px) { + .flex-sm-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-sm-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-sm-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-sm-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-sm-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-sm-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-sm-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-sm-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-sm-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-sm-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-sm-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-sm-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-sm-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-sm-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-sm-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-sm-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-sm-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-sm-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-sm-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-sm-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-sm-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-sm-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-sm-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-sm-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-sm-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-sm-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-sm-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-sm-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-sm-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +@media (min-width: 768px) { + .flex-md-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-md-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-md-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-md-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-md-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-md-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-md-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-md-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-md-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-md-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-md-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-md-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-md-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-md-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-md-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-md-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-md-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-md-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-md-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-md-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-md-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-md-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-md-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-md-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-md-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-md-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-md-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-md-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-md-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +@media (min-width: 992px) { + .flex-lg-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-lg-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-lg-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-lg-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-lg-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-lg-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-lg-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-lg-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-lg-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-lg-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-lg-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-lg-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-lg-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-lg-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-lg-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-lg-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-lg-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-lg-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-lg-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-lg-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-lg-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-lg-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-lg-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-lg-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-lg-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-lg-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-lg-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-lg-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-lg-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +@media (min-width: 1200px) { + .flex-xl-row { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: row !important; + flex-direction: row !important; + } + .flex-xl-column { + -webkit-box-orient: vertical !important; + -webkit-box-direction: normal !important; + -ms-flex-direction: column !important; + flex-direction: column !important; + } + .flex-xl-row-reverse { + -webkit-box-orient: horizontal !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: row-reverse !important; + flex-direction: row-reverse !important; + } + .flex-xl-column-reverse { + -webkit-box-orient: vertical !important; + -webkit-box-direction: reverse !important; + -ms-flex-direction: column-reverse !important; + flex-direction: column-reverse !important; + } + .flex-xl-wrap { + -ms-flex-wrap: wrap !important; + flex-wrap: wrap !important; + } + .flex-xl-nowrap { + -ms-flex-wrap: nowrap !important; + flex-wrap: nowrap !important; + } + .flex-xl-wrap-reverse { + -ms-flex-wrap: wrap-reverse !important; + flex-wrap: wrap-reverse !important; + } + .justify-content-xl-start { + -webkit-box-pack: start !important; + -ms-flex-pack: start !important; + justify-content: flex-start !important; + } + .justify-content-xl-end { + -webkit-box-pack: end !important; + -ms-flex-pack: end !important; + justify-content: flex-end !important; + } + .justify-content-xl-center { + -webkit-box-pack: center !important; + -ms-flex-pack: center !important; + justify-content: center !important; + } + .justify-content-xl-between { + -webkit-box-pack: justify !important; + -ms-flex-pack: justify !important; + justify-content: space-between !important; + } + .justify-content-xl-around { + -ms-flex-pack: distribute !important; + justify-content: space-around !important; + } + .align-items-xl-start { + -webkit-box-align: start !important; + -ms-flex-align: start !important; + align-items: flex-start !important; + } + .align-items-xl-end { + -webkit-box-align: end !important; + -ms-flex-align: end !important; + align-items: flex-end !important; + } + .align-items-xl-center { + -webkit-box-align: center !important; + -ms-flex-align: center !important; + align-items: center !important; + } + .align-items-xl-baseline { + -webkit-box-align: baseline !important; + -ms-flex-align: baseline !important; + align-items: baseline !important; + } + .align-items-xl-stretch { + -webkit-box-align: stretch !important; + -ms-flex-align: stretch !important; + align-items: stretch !important; + } + .align-content-xl-start { + -ms-flex-line-pack: start !important; + align-content: flex-start !important; + } + .align-content-xl-end { + -ms-flex-line-pack: end !important; + align-content: flex-end !important; + } + .align-content-xl-center { + -ms-flex-line-pack: center !important; + align-content: center !important; + } + .align-content-xl-between { + -ms-flex-line-pack: justify !important; + align-content: space-between !important; + } + .align-content-xl-around { + -ms-flex-line-pack: distribute !important; + align-content: space-around !important; + } + .align-content-xl-stretch { + -ms-flex-line-pack: stretch !important; + align-content: stretch !important; + } + .align-self-xl-auto { + -ms-flex-item-align: auto !important; + align-self: auto !important; + } + .align-self-xl-start { + -ms-flex-item-align: start !important; + align-self: flex-start !important; + } + .align-self-xl-end { + -ms-flex-item-align: end !important; + align-self: flex-end !important; + } + .align-self-xl-center { + -ms-flex-item-align: center !important; + align-self: center !important; + } + .align-self-xl-baseline { + -ms-flex-item-align: baseline !important; + align-self: baseline !important; + } + .align-self-xl-stretch { + -ms-flex-item-align: stretch !important; + align-self: stretch !important; + } +} + +.float-left { + float: left !important; +} + +.float-right { + float: right !important; +} + +.float-none { + float: none !important; +} + +@media (min-width: 576px) { + .float-sm-left { + float: left !important; + } + .float-sm-right { + float: right !important; + } + .float-sm-none { + float: none !important; + } +} + +@media (min-width: 768px) { + .float-md-left { + float: left !important; + } + .float-md-right { + float: right !important; + } + .float-md-none { + float: none !important; + } +} + +@media (min-width: 992px) { + .float-lg-left { + float: left !important; + } + .float-lg-right { + float: right !important; + } + .float-lg-none { + float: none !important; + } +} + +@media (min-width: 1200px) { + .float-xl-left { + float: left !important; + } + .float-xl-right { + float: right !important; + } + .float-xl-none { + float: none !important; + } +} + +.position-static { + position: static !important; +} + +.position-relative { + position: relative !important; +} + +.position-absolute { + position: absolute !important; +} + +.position-fixed { + position: fixed !important; +} + +.position-sticky { + position: -webkit-sticky !important; + position: sticky !important; +} + +.fixed-top { + position: fixed; + top: 0; + right: 0; + left: 0; + z-index: 1030; +} + +.fixed-bottom { + position: fixed; + right: 0; + bottom: 0; + left: 0; + z-index: 1030; +} + +@supports ((position: -webkit-sticky) or (position: sticky)) { + .sticky-top { + position: -webkit-sticky; + position: sticky; + top: 0; + z-index: 1020; + } +} + +.sr-only { + position: absolute; + width: 1px; + height: 1px; + padding: 0; + overflow: hidden; + clip: rect(0, 0, 0, 0); + white-space: nowrap; + -webkit-clip-path: inset(50%); + clip-path: inset(50%); + border: 0; +} + +.sr-only-focusable:active, .sr-only-focusable:focus { + position: static; + width: auto; + height: auto; + overflow: visible; + clip: auto; + white-space: normal; + -webkit-clip-path: none; + clip-path: none; +} + +.w-25 { + width: 25% !important; +} + +.w-50 { + width: 50% !important; +} + +.w-75 { + width: 75% !important; +} + +.w-100 { + width: 100% !important; +} + +.h-25 { + height: 25% !important; +} + +.h-50 { + height: 50% !important; +} + +.h-75 { + height: 75% !important; +} + +.h-100 { + height: 100% !important; +} + +.mw-100 { + max-width: 100% !important; +} + +.mh-100 { + max-height: 100% !important; +} + +.m-0 { + margin: 0 !important; +} + +.mt-0, +.my-0 { + margin-top: 0 !important; +} + +.mr-0, +.mx-0 { + margin-right: 0 !important; +} + +.mb-0, +.my-0 { + margin-bottom: 0 !important; +} + +.ml-0, +.mx-0 { + margin-left: 0 !important; +} + +.m-1 { + margin: 0.25rem !important; +} + +.mt-1, +.my-1 { + margin-top: 0.25rem !important; +} + +.mr-1, +.mx-1 { + margin-right: 0.25rem !important; +} + +.mb-1, +.my-1 { + margin-bottom: 0.25rem !important; +} + +.ml-1, +.mx-1 { + margin-left: 0.25rem !important; +} + +.m-2 { + margin: 0.5rem !important; +} + +.mt-2, +.my-2 { + margin-top: 0.5rem !important; +} + +.mr-2, +.mx-2 { + margin-right: 0.5rem !important; +} + +.mb-2, +.my-2 { + margin-bottom: 0.5rem !important; +} + +.ml-2, +.mx-2 { + margin-left: 0.5rem !important; +} + +.m-3 { + margin: 1rem !important; +} + +.mt-3, +.my-3 { + margin-top: 1rem !important; +} + +.mr-3, +.mx-3 { + margin-right: 1rem !important; +} + +.mb-3, +.my-3 { + margin-bottom: 1rem !important; +} + +.ml-3, +.mx-3 { + margin-left: 1rem !important; +} + +.m-4 { + margin: 1.5rem !important; +} + +.mt-4, +.my-4 { + margin-top: 1.5rem !important; +} + +.mr-4, +.mx-4 { + margin-right: 1.5rem !important; +} + +.mb-4, +.my-4 { + margin-bottom: 1.5rem !important; +} + +.ml-4, +.mx-4 { + margin-left: 1.5rem !important; +} + +.m-5 { + margin: 3rem !important; +} + +.mt-5, +.my-5 { + margin-top: 3rem !important; +} + +.mr-5, +.mx-5 { + margin-right: 3rem !important; +} + +.mb-5, +.my-5 { + margin-bottom: 3rem !important; +} + +.ml-5, +.mx-5 { + margin-left: 3rem !important; +} + +.p-0 { + padding: 0 !important; +} + +.pt-0, +.py-0 { + padding-top: 0 !important; +} + +.pr-0, +.px-0 { + padding-right: 0 !important; +} + +.pb-0, +.py-0 { + padding-bottom: 0 !important; +} + +.pl-0, +.px-0 { + padding-left: 0 !important; +} + +.p-1 { + padding: 0.25rem !important; +} + +.pt-1, +.py-1 { + padding-top: 0.25rem !important; +} + +.pr-1, +.px-1 { + padding-right: 0.25rem !important; +} + +.pb-1, +.py-1 { + padding-bottom: 0.25rem !important; +} + +.pl-1, +.px-1 { + padding-left: 0.25rem !important; +} + +.p-2 { + padding: 0.5rem !important; +} + +.pt-2, +.py-2 { + padding-top: 0.5rem !important; +} + +.pr-2, +.px-2 { + padding-right: 0.5rem !important; +} + +.pb-2, +.py-2 { + padding-bottom: 0.5rem !important; +} + +.pl-2, +.px-2 { + padding-left: 0.5rem !important; +} + +.p-3 { + padding: 1rem !important; +} + +.pt-3, +.py-3 { + padding-top: 1rem !important; +} + +.pr-3, +.px-3 { + padding-right: 1rem !important; +} + +.pb-3, +.py-3 { + padding-bottom: 1rem !important; +} + +.pl-3, +.px-3 { + padding-left: 1rem !important; +} + +.p-4 { + padding: 1.5rem !important; +} + +.pt-4, +.py-4 { + padding-top: 1.5rem !important; +} + +.pr-4, +.px-4 { + padding-right: 1.5rem !important; +} + +.pb-4, +.py-4 { + padding-bottom: 1.5rem !important; +} + +.pl-4, +.px-4 { + padding-left: 1.5rem !important; +} + +.p-5 { + padding: 3rem !important; +} + +.pt-5, +.py-5 { + padding-top: 3rem !important; +} + +.pr-5, +.px-5 { + padding-right: 3rem !important; +} + +.pb-5, +.py-5 { + padding-bottom: 3rem !important; +} + +.pl-5, +.px-5 { + padding-left: 3rem !important; +} + +.m-auto { + margin: auto !important; +} + +.mt-auto, +.my-auto { + margin-top: auto !important; +} + +.mr-auto, +.mx-auto { + margin-right: auto !important; +} + +.mb-auto, +.my-auto { + margin-bottom: auto !important; +} + +.ml-auto, +.mx-auto { + margin-left: auto !important; +} + +@media (min-width: 576px) { + .m-sm-0 { + margin: 0 !important; + } + .mt-sm-0, + .my-sm-0 { + margin-top: 0 !important; + } + .mr-sm-0, + .mx-sm-0 { + margin-right: 0 !important; + } + .mb-sm-0, + .my-sm-0 { + margin-bottom: 0 !important; + } + .ml-sm-0, + .mx-sm-0 { + margin-left: 0 !important; + } + .m-sm-1 { + margin: 0.25rem !important; + } + .mt-sm-1, + .my-sm-1 { + margin-top: 0.25rem !important; + } + .mr-sm-1, + .mx-sm-1 { + margin-right: 0.25rem !important; + } + .mb-sm-1, + .my-sm-1 { + margin-bottom: 0.25rem !important; + } + .ml-sm-1, + .mx-sm-1 { + margin-left: 0.25rem !important; + } + .m-sm-2 { + margin: 0.5rem !important; + } + .mt-sm-2, + .my-sm-2 { + margin-top: 0.5rem !important; + } + .mr-sm-2, + .mx-sm-2 { + margin-right: 0.5rem !important; + } + .mb-sm-2, + .my-sm-2 { + margin-bottom: 0.5rem !important; + } + .ml-sm-2, + .mx-sm-2 { + margin-left: 0.5rem !important; + } + .m-sm-3 { + margin: 1rem !important; + } + .mt-sm-3, + .my-sm-3 { + margin-top: 1rem !important; + } + .mr-sm-3, + .mx-sm-3 { + margin-right: 1rem !important; + } + .mb-sm-3, + .my-sm-3 { + margin-bottom: 1rem !important; + } + .ml-sm-3, + .mx-sm-3 { + margin-left: 1rem !important; + } + .m-sm-4 { + margin: 1.5rem !important; + } + .mt-sm-4, + .my-sm-4 { + margin-top: 1.5rem !important; + } + .mr-sm-4, + .mx-sm-4 { + margin-right: 1.5rem !important; + } + .mb-sm-4, + .my-sm-4 { + margin-bottom: 1.5rem !important; + } + .ml-sm-4, + .mx-sm-4 { + margin-left: 1.5rem !important; + } + .m-sm-5 { + margin: 3rem !important; + } + .mt-sm-5, + .my-sm-5 { + margin-top: 3rem !important; + } + .mr-sm-5, + .mx-sm-5 { + margin-right: 3rem !important; + } + .mb-sm-5, + .my-sm-5 { + margin-bottom: 3rem !important; + } + .ml-sm-5, + .mx-sm-5 { + margin-left: 3rem !important; + } + .p-sm-0 { + padding: 0 !important; + } + .pt-sm-0, + .py-sm-0 { + padding-top: 0 !important; + } + .pr-sm-0, + .px-sm-0 { + padding-right: 0 !important; + } + .pb-sm-0, + .py-sm-0 { + padding-bottom: 0 !important; + } + .pl-sm-0, + .px-sm-0 { + padding-left: 0 !important; + } + .p-sm-1 { + padding: 0.25rem !important; + } + .pt-sm-1, + .py-sm-1 { + padding-top: 0.25rem !important; + } + .pr-sm-1, + .px-sm-1 { + padding-right: 0.25rem !important; + } + .pb-sm-1, + .py-sm-1 { + padding-bottom: 0.25rem !important; + } + .pl-sm-1, + .px-sm-1 { + padding-left: 0.25rem !important; + } + .p-sm-2 { + padding: 0.5rem !important; + } + .pt-sm-2, + .py-sm-2 { + padding-top: 0.5rem !important; + } + .pr-sm-2, + .px-sm-2 { + padding-right: 0.5rem !important; + } + .pb-sm-2, + .py-sm-2 { + padding-bottom: 0.5rem !important; + } + .pl-sm-2, + .px-sm-2 { + padding-left: 0.5rem !important; + } + .p-sm-3 { + padding: 1rem !important; + } + .pt-sm-3, + .py-sm-3 { + padding-top: 1rem !important; + } + .pr-sm-3, + .px-sm-3 { + padding-right: 1rem !important; + } + .pb-sm-3, + .py-sm-3 { + padding-bottom: 1rem !important; + } + .pl-sm-3, + .px-sm-3 { + padding-left: 1rem !important; + } + .p-sm-4 { + padding: 1.5rem !important; + } + .pt-sm-4, + .py-sm-4 { + padding-top: 1.5rem !important; + } + .pr-sm-4, + .px-sm-4 { + padding-right: 1.5rem !important; + } + .pb-sm-4, + .py-sm-4 { + padding-bottom: 1.5rem !important; + } + .pl-sm-4, + .px-sm-4 { + padding-left: 1.5rem !important; + } + .p-sm-5 { + padding: 3rem !important; + } + .pt-sm-5, + .py-sm-5 { + padding-top: 3rem !important; + } + .pr-sm-5, + .px-sm-5 { + padding-right: 3rem !important; + } + .pb-sm-5, + .py-sm-5 { + padding-bottom: 3rem !important; + } + .pl-sm-5, + .px-sm-5 { + padding-left: 3rem !important; + } + .m-sm-auto { + margin: auto !important; + } + .mt-sm-auto, + .my-sm-auto { + margin-top: auto !important; + } + .mr-sm-auto, + .mx-sm-auto { + margin-right: auto !important; + } + .mb-sm-auto, + .my-sm-auto { + margin-bottom: auto !important; + } + .ml-sm-auto, + .mx-sm-auto { + margin-left: auto !important; + } +} + +@media (min-width: 768px) { + .m-md-0 { + margin: 0 !important; + } + .mt-md-0, + .my-md-0 { + margin-top: 0 !important; + } + .mr-md-0, + .mx-md-0 { + margin-right: 0 !important; + } + .mb-md-0, + .my-md-0 { + margin-bottom: 0 !important; + } + .ml-md-0, + .mx-md-0 { + margin-left: 0 !important; + } + .m-md-1 { + margin: 0.25rem !important; + } + .mt-md-1, + .my-md-1 { + margin-top: 0.25rem !important; + } + .mr-md-1, + .mx-md-1 { + margin-right: 0.25rem !important; + } + .mb-md-1, + .my-md-1 { + margin-bottom: 0.25rem !important; + } + .ml-md-1, + .mx-md-1 { + margin-left: 0.25rem !important; + } + .m-md-2 { + margin: 0.5rem !important; + } + .mt-md-2, + .my-md-2 { + margin-top: 0.5rem !important; + } + .mr-md-2, + .mx-md-2 { + margin-right: 0.5rem !important; + } + .mb-md-2, + .my-md-2 { + margin-bottom: 0.5rem !important; + } + .ml-md-2, + .mx-md-2 { + margin-left: 0.5rem !important; + } + .m-md-3 { + margin: 1rem !important; + } + .mt-md-3, + .my-md-3 { + margin-top: 1rem !important; + } + .mr-md-3, + .mx-md-3 { + margin-right: 1rem !important; + } + .mb-md-3, + .my-md-3 { + margin-bottom: 1rem !important; + } + .ml-md-3, + .mx-md-3 { + margin-left: 1rem !important; + } + .m-md-4 { + margin: 1.5rem !important; + } + .mt-md-4, + .my-md-4 { + margin-top: 1.5rem !important; + } + .mr-md-4, + .mx-md-4 { + margin-right: 1.5rem !important; + } + .mb-md-4, + .my-md-4 { + margin-bottom: 1.5rem !important; + } + .ml-md-4, + .mx-md-4 { + margin-left: 1.5rem !important; + } + .m-md-5 { + margin: 3rem !important; + } + .mt-md-5, + .my-md-5 { + margin-top: 3rem !important; + } + .mr-md-5, + .mx-md-5 { + margin-right: 3rem !important; + } + .mb-md-5, + .my-md-5 { + margin-bottom: 3rem !important; + } + .ml-md-5, + .mx-md-5 { + margin-left: 3rem !important; + } + .p-md-0 { + padding: 0 !important; + } + .pt-md-0, + .py-md-0 { + padding-top: 0 !important; + } + .pr-md-0, + .px-md-0 { + padding-right: 0 !important; + } + .pb-md-0, + .py-md-0 { + padding-bottom: 0 !important; + } + .pl-md-0, + .px-md-0 { + padding-left: 0 !important; + } + .p-md-1 { + padding: 0.25rem !important; + } + .pt-md-1, + .py-md-1 { + padding-top: 0.25rem !important; + } + .pr-md-1, + .px-md-1 { + padding-right: 0.25rem !important; + } + .pb-md-1, + .py-md-1 { + padding-bottom: 0.25rem !important; + } + .pl-md-1, + .px-md-1 { + padding-left: 0.25rem !important; + } + .p-md-2 { + padding: 0.5rem !important; + } + .pt-md-2, + .py-md-2 { + padding-top: 0.5rem !important; + } + .pr-md-2, + .px-md-2 { + padding-right: 0.5rem !important; + } + .pb-md-2, + .py-md-2 { + padding-bottom: 0.5rem !important; + } + .pl-md-2, + .px-md-2 { + padding-left: 0.5rem !important; + } + .p-md-3 { + padding: 1rem !important; + } + .pt-md-3, + .py-md-3 { + padding-top: 1rem !important; + } + .pr-md-3, + .px-md-3 { + padding-right: 1rem !important; + } + .pb-md-3, + .py-md-3 { + padding-bottom: 1rem !important; + } + .pl-md-3, + .px-md-3 { + padding-left: 1rem !important; + } + .p-md-4 { + padding: 1.5rem !important; + } + .pt-md-4, + .py-md-4 { + padding-top: 1.5rem !important; + } + .pr-md-4, + .px-md-4 { + padding-right: 1.5rem !important; + } + .pb-md-4, + .py-md-4 { + padding-bottom: 1.5rem !important; + } + .pl-md-4, + .px-md-4 { + padding-left: 1.5rem !important; + } + .p-md-5 { + padding: 3rem !important; + } + .pt-md-5, + .py-md-5 { + padding-top: 3rem !important; + } + .pr-md-5, + .px-md-5 { + padding-right: 3rem !important; + } + .pb-md-5, + .py-md-5 { + padding-bottom: 3rem !important; + } + .pl-md-5, + .px-md-5 { + padding-left: 3rem !important; + } + .m-md-auto { + margin: auto !important; + } + .mt-md-auto, + .my-md-auto { + margin-top: auto !important; + } + .mr-md-auto, + .mx-md-auto { + margin-right: auto !important; + } + .mb-md-auto, + .my-md-auto { + margin-bottom: auto !important; + } + .ml-md-auto, + .mx-md-auto { + margin-left: auto !important; + } +} + +@media (min-width: 992px) { + .m-lg-0 { + margin: 0 !important; + } + .mt-lg-0, + .my-lg-0 { + margin-top: 0 !important; + } + .mr-lg-0, + .mx-lg-0 { + margin-right: 0 !important; + } + .mb-lg-0, + .my-lg-0 { + margin-bottom: 0 !important; + } + .ml-lg-0, + .mx-lg-0 { + margin-left: 0 !important; + } + .m-lg-1 { + margin: 0.25rem !important; + } + .mt-lg-1, + .my-lg-1 { + margin-top: 0.25rem !important; + } + .mr-lg-1, + .mx-lg-1 { + margin-right: 0.25rem !important; + } + .mb-lg-1, + .my-lg-1 { + margin-bottom: 0.25rem !important; + } + .ml-lg-1, + .mx-lg-1 { + margin-left: 0.25rem !important; + } + .m-lg-2 { + margin: 0.5rem !important; + } + .mt-lg-2, + .my-lg-2 { + margin-top: 0.5rem !important; + } + .mr-lg-2, + .mx-lg-2 { + margin-right: 0.5rem !important; + } + .mb-lg-2, + .my-lg-2 { + margin-bottom: 0.5rem !important; + } + .ml-lg-2, + .mx-lg-2 { + margin-left: 0.5rem !important; + } + .m-lg-3 { + margin: 1rem !important; + } + .mt-lg-3, + .my-lg-3 { + margin-top: 1rem !important; + } + .mr-lg-3, + .mx-lg-3 { + margin-right: 1rem !important; + } + .mb-lg-3, + .my-lg-3 { + margin-bottom: 1rem !important; + } + .ml-lg-3, + .mx-lg-3 { + margin-left: 1rem !important; + } + .m-lg-4 { + margin: 1.5rem !important; + } + .mt-lg-4, + .my-lg-4 { + margin-top: 1.5rem !important; + } + .mr-lg-4, + .mx-lg-4 { + margin-right: 1.5rem !important; + } + .mb-lg-4, + .my-lg-4 { + margin-bottom: 1.5rem !important; + } + .ml-lg-4, + .mx-lg-4 { + margin-left: 1.5rem !important; + } + .m-lg-5 { + margin: 3rem !important; + } + .mt-lg-5, + .my-lg-5 { + margin-top: 3rem !important; + } + .mr-lg-5, + .mx-lg-5 { + margin-right: 3rem !important; + } + .mb-lg-5, + .my-lg-5 { + margin-bottom: 3rem !important; + } + .ml-lg-5, + .mx-lg-5 { + margin-left: 3rem !important; + } + .p-lg-0 { + padding: 0 !important; + } + .pt-lg-0, + .py-lg-0 { + padding-top: 0 !important; + } + .pr-lg-0, + .px-lg-0 { + padding-right: 0 !important; + } + .pb-lg-0, + .py-lg-0 { + padding-bottom: 0 !important; + } + .pl-lg-0, + .px-lg-0 { + padding-left: 0 !important; + } + .p-lg-1 { + padding: 0.25rem !important; + } + .pt-lg-1, + .py-lg-1 { + padding-top: 0.25rem !important; + } + .pr-lg-1, + .px-lg-1 { + padding-right: 0.25rem !important; + } + .pb-lg-1, + .py-lg-1 { + padding-bottom: 0.25rem !important; + } + .pl-lg-1, + .px-lg-1 { + padding-left: 0.25rem !important; + } + .p-lg-2 { + padding: 0.5rem !important; + } + .pt-lg-2, + .py-lg-2 { + padding-top: 0.5rem !important; + } + .pr-lg-2, + .px-lg-2 { + padding-right: 0.5rem !important; + } + .pb-lg-2, + .py-lg-2 { + padding-bottom: 0.5rem !important; + } + .pl-lg-2, + .px-lg-2 { + padding-left: 0.5rem !important; + } + .p-lg-3 { + padding: 1rem !important; + } + .pt-lg-3, + .py-lg-3 { + padding-top: 1rem !important; + } + .pr-lg-3, + .px-lg-3 { + padding-right: 1rem !important; + } + .pb-lg-3, + .py-lg-3 { + padding-bottom: 1rem !important; + } + .pl-lg-3, + .px-lg-3 { + padding-left: 1rem !important; + } + .p-lg-4 { + padding: 1.5rem !important; + } + .pt-lg-4, + .py-lg-4 { + padding-top: 1.5rem !important; + } + .pr-lg-4, + .px-lg-4 { + padding-right: 1.5rem !important; + } + .pb-lg-4, + .py-lg-4 { + padding-bottom: 1.5rem !important; + } + .pl-lg-4, + .px-lg-4 { + padding-left: 1.5rem !important; + } + .p-lg-5 { + padding: 3rem !important; + } + .pt-lg-5, + .py-lg-5 { + padding-top: 3rem !important; + } + .pr-lg-5, + .px-lg-5 { + padding-right: 3rem !important; + } + .pb-lg-5, + .py-lg-5 { + padding-bottom: 3rem !important; + } + .pl-lg-5, + .px-lg-5 { + padding-left: 3rem !important; + } + .m-lg-auto { + margin: auto !important; + } + .mt-lg-auto, + .my-lg-auto { + margin-top: auto !important; + } + .mr-lg-auto, + .mx-lg-auto { + margin-right: auto !important; + } + .mb-lg-auto, + .my-lg-auto { + margin-bottom: auto !important; + } + .ml-lg-auto, + .mx-lg-auto { + margin-left: auto !important; + } +} + +@media (min-width: 1200px) { + .m-xl-0 { + margin: 0 !important; + } + .mt-xl-0, + .my-xl-0 { + margin-top: 0 !important; + } + .mr-xl-0, + .mx-xl-0 { + margin-right: 0 !important; + } + .mb-xl-0, + .my-xl-0 { + margin-bottom: 0 !important; + } + .ml-xl-0, + .mx-xl-0 { + margin-left: 0 !important; + } + .m-xl-1 { + margin: 0.25rem !important; + } + .mt-xl-1, + .my-xl-1 { + margin-top: 0.25rem !important; + } + .mr-xl-1, + .mx-xl-1 { + margin-right: 0.25rem !important; + } + .mb-xl-1, + .my-xl-1 { + margin-bottom: 0.25rem !important; + } + .ml-xl-1, + .mx-xl-1 { + margin-left: 0.25rem !important; + } + .m-xl-2 { + margin: 0.5rem !important; + } + .mt-xl-2, + .my-xl-2 { + margin-top: 0.5rem !important; + } + .mr-xl-2, + .mx-xl-2 { + margin-right: 0.5rem !important; + } + .mb-xl-2, + .my-xl-2 { + margin-bottom: 0.5rem !important; + } + .ml-xl-2, + .mx-xl-2 { + margin-left: 0.5rem !important; + } + .m-xl-3 { + margin: 1rem !important; + } + .mt-xl-3, + .my-xl-3 { + margin-top: 1rem !important; + } + .mr-xl-3, + .mx-xl-3 { + margin-right: 1rem !important; + } + .mb-xl-3, + .my-xl-3 { + margin-bottom: 1rem !important; + } + .ml-xl-3, + .mx-xl-3 { + margin-left: 1rem !important; + } + .m-xl-4 { + margin: 1.5rem !important; + } + .mt-xl-4, + .my-xl-4 { + margin-top: 1.5rem !important; + } + .mr-xl-4, + .mx-xl-4 { + margin-right: 1.5rem !important; + } + .mb-xl-4, + .my-xl-4 { + margin-bottom: 1.5rem !important; + } + .ml-xl-4, + .mx-xl-4 { + margin-left: 1.5rem !important; + } + .m-xl-5 { + margin: 3rem !important; + } + .mt-xl-5, + .my-xl-5 { + margin-top: 3rem !important; + } + .mr-xl-5, + .mx-xl-5 { + margin-right: 3rem !important; + } + .mb-xl-5, + .my-xl-5 { + margin-bottom: 3rem !important; + } + .ml-xl-5, + .mx-xl-5 { + margin-left: 3rem !important; + } + .p-xl-0 { + padding: 0 !important; + } + .pt-xl-0, + .py-xl-0 { + padding-top: 0 !important; + } + .pr-xl-0, + .px-xl-0 { + padding-right: 0 !important; + } + .pb-xl-0, + .py-xl-0 { + padding-bottom: 0 !important; + } + .pl-xl-0, + .px-xl-0 { + padding-left: 0 !important; + } + .p-xl-1 { + padding: 0.25rem !important; + } + .pt-xl-1, + .py-xl-1 { + padding-top: 0.25rem !important; + } + .pr-xl-1, + .px-xl-1 { + padding-right: 0.25rem !important; + } + .pb-xl-1, + .py-xl-1 { + padding-bottom: 0.25rem !important; + } + .pl-xl-1, + .px-xl-1 { + padding-left: 0.25rem !important; + } + .p-xl-2 { + padding: 0.5rem !important; + } + .pt-xl-2, + .py-xl-2 { + padding-top: 0.5rem !important; + } + .pr-xl-2, + .px-xl-2 { + padding-right: 0.5rem !important; + } + .pb-xl-2, + .py-xl-2 { + padding-bottom: 0.5rem !important; + } + .pl-xl-2, + .px-xl-2 { + padding-left: 0.5rem !important; + } + .p-xl-3 { + padding: 1rem !important; + } + .pt-xl-3, + .py-xl-3 { + padding-top: 1rem !important; + } + .pr-xl-3, + .px-xl-3 { + padding-right: 1rem !important; + } + .pb-xl-3, + .py-xl-3 { + padding-bottom: 1rem !important; + } + .pl-xl-3, + .px-xl-3 { + padding-left: 1rem !important; + } + .p-xl-4 { + padding: 1.5rem !important; + } + .pt-xl-4, + .py-xl-4 { + padding-top: 1.5rem !important; + } + .pr-xl-4, + .px-xl-4 { + padding-right: 1.5rem !important; + } + .pb-xl-4, + .py-xl-4 { + padding-bottom: 1.5rem !important; + } + .pl-xl-4, + .px-xl-4 { + padding-left: 1.5rem !important; + } + .p-xl-5 { + padding: 3rem !important; + } + .pt-xl-5, + .py-xl-5 { + padding-top: 3rem !important; + } + .pr-xl-5, + .px-xl-5 { + padding-right: 3rem !important; + } + .pb-xl-5, + .py-xl-5 { + padding-bottom: 3rem !important; + } + .pl-xl-5, + .px-xl-5 { + padding-left: 3rem !important; + } + .m-xl-auto { + margin: auto !important; + } + .mt-xl-auto, + .my-xl-auto { + margin-top: auto !important; + } + .mr-xl-auto, + .mx-xl-auto { + margin-right: auto !important; + } + .mb-xl-auto, + .my-xl-auto { + margin-bottom: auto !important; + } + .ml-xl-auto, + .mx-xl-auto { + margin-left: auto !important; + } +} + +.text-justify { + text-align: justify !important; +} + +.text-nowrap { + white-space: nowrap !important; +} + +.text-truncate { + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; +} + +.text-left { + text-align: left !important; +} + +.text-right { + text-align: right !important; +} + +.text-center { + text-align: center !important; +} + +@media (min-width: 576px) { + .text-sm-left { + text-align: left !important; + } + .text-sm-right { + text-align: right !important; + } + .text-sm-center { + text-align: center !important; + } +} + +@media (min-width: 768px) { + .text-md-left { + text-align: left !important; + } + .text-md-right { + text-align: right !important; + } + .text-md-center { + text-align: center !important; + } +} + +@media (min-width: 992px) { + .text-lg-left { + text-align: left !important; + } + .text-lg-right { + text-align: right !important; + } + .text-lg-center { + text-align: center !important; + } +} + +@media (min-width: 1200px) { + .text-xl-left { + text-align: left !important; + } + .text-xl-right { + text-align: right !important; + } + .text-xl-center { + text-align: center !important; + } +} + +.text-lowercase { + text-transform: lowercase !important; +} + +.text-uppercase { + text-transform: uppercase !important; +} + +.text-capitalize { + text-transform: capitalize !important; +} + +.font-weight-light { + font-weight: 300 !important; +} + +.font-weight-normal { + font-weight: 400 !important; +} + +.font-weight-bold { + font-weight: 700 !important; +} + +.font-italic { + font-style: italic !important; +} + +.text-white { + color: #fff !important; +} + +.text-primary { + color: #007bff !important; +} + +a.text-primary:hover, a.text-primary:focus { + color: #0062cc !important; +} + +.text-secondary { + color: #6c757d !important; +} + +a.text-secondary:hover, a.text-secondary:focus { + color: #545b62 !important; +} + +.text-success { + color: #28a745 !important; +} + +a.text-success:hover, a.text-success:focus { + color: #1e7e34 !important; +} + +.text-info { + color: #17a2b8 !important; +} + +a.text-info:hover, a.text-info:focus { + color: #117a8b !important; +} + +.text-warning { + color: #ffc107 !important; +} + +a.text-warning:hover, a.text-warning:focus { + color: #d39e00 !important; +} + +.text-danger { + color: #dc3545 !important; +} + +a.text-danger:hover, a.text-danger:focus { + color: #bd2130 !important; +} + +.text-light { + color: #f8f9fa !important; +} + +a.text-light:hover, a.text-light:focus { + color: #dae0e5 !important; +} + +.text-dark { + color: #343a40 !important; +} + +a.text-dark:hover, a.text-dark:focus { + color: #1d2124 !important; +} + +.text-muted { + color: #6c757d !important; +} + +.text-hide { + font: 0/0 a; + color: transparent; + text-shadow: none; + background-color: transparent; + border: 0; +} + +.visible { + visibility: visible !important; +} + +.invisible { + visibility: hidden !important; +} + +@media print { + *, + *::before, + *::after { + text-shadow: none !important; + box-shadow: none !important; + } + a:not(.btn) { + text-decoration: underline; + } + abbr[title]::after { + content: " (" attr(title) ")"; + } + pre { + white-space: pre-wrap !important; + } + pre, + blockquote { + border: 1px solid #999; + page-break-inside: avoid; + } + thead { + display: table-header-group; + } + tr, + img { + page-break-inside: avoid; + } + p, + h2, + h3 { + orphans: 3; + widows: 3; + } + h2, + h3 { + page-break-after: avoid; + } + @page { + size: a3; + } + body { + min-width: 992px !important; + } + .container { + min-width: 992px !important; + } + .navbar { + display: none; + } + .badge { + border: 1px solid #000; + } + .table { + border-collapse: collapse !important; + } + .table td, + .table th { + background-color: #fff !important; + } + .table-bordered th, + .table-bordered td { + border: 1px solid #ddd !important; + } +} +/*# sourceMappingURL=bootstrap.css.map */ \ No newline at end of file diff --git a/solve/src/css/bootstrap.min.css b/solve/src/css/bootstrap.min.css new file mode 100644 index 0000000..6561b6f --- /dev/null +++ b/solve/src/css/bootstrap.min.css @@ -0,0 +1,7 @@ +/*! + * Bootstrap v4.0.0 (https://getbootstrap.com) + * Copyright 2011-2018 The Bootstrap Authors + * Copyright 2011-2018 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + 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index 0000000..6bea6c1 --- /dev/null +++ b/solve/src/css/custom.css @@ -0,0 +1,66 @@ + .container.custom-container { + padding: 0 50px; + } + +.jumbotron { + font-family: Arial; + background-color: #000; + color: #fff; + } + +.container { + font-family: Arial; + background-color: #000; + color: #fff; +} + + +body { + font-family: Arial; + background-color: #000; + color: #fff; +} + +main { + font-family: "Source Sans Pro", Verdana, Geneva, Tahoma, sans-serif; + font-weight: 300; + max-width: 720px; + margin: 10px auto; + background-color: #111; + box-sizing: border-box; + padding: 10px 32px; +} + +textarea { + width: 100%; + height: 200px; + font-family: Consolas, "Courier New", Courier, monospace; + line-height: 1.2em; + padding: 8px; + box-sizing: border-box; + font-size: 0.9em; + border: 1px solid #fff; + background-color: #000; + color: #fff; +} + + + p { + display: block; + margin-block-start: 1em; + margin-block-end: 1em; + margin-inline-start: 0px; + margin-inline-end: 0px; + +} + + +input[type="button"] { + background-color: #600; + color: #fff; + font-weight: bold; + border: 3px solid #000; + font-size: 140%; + border-radius: 8px; + margin: 8px auto; +} \ No newline at end of file diff --git a/solve/src/form.php b/solve/src/form.php new file mode 100644 index 0000000..b3cc3da --- /dev/null +++ b/solve/src/form.php @@ -0,0 +1,24 @@ +
    +
    +

    LOLPython

    +

    You finally landed on the mainframe and are soooo close to hack the world! But what is this? A LOLPython interpreter in production? + Googling quickly reveals: Thats one of many esolangs with hacker and l33t speak. Sounds cool, right?

    +

    Though, to solve this challenge, you have to take it to the next level: Not only code a program in this weird language, but escape the interpreter and execute the final payload. Go exploit it!

    +
    +
    +
    +
    +
    +

    Type your LOLPython code here. We'll execute your file and you'll get the result

    + + + +
    +

    Output:

    + +
    +
    + +
    +

    \ No newline at end of file diff --git a/solve/src/index.php b/solve/src/index.php new file mode 100644 index 0000000..c0ead91 --- /dev/null +++ b/solve/src/index.php @@ -0,0 +1,58 @@ + + + + + + + + + + + + + LOLPython Transpiler Service + + + + + + + + + + + +
    +

    © LOLPython Transpiler Service 2024

    +
    + + + + + + + + + + \ No newline at end of file diff --git a/solve/src/js/bootstrap.bundle.js b/solve/src/js/bootstrap.bundle.js new file mode 100644 index 0000000..45b357d --- /dev/null +++ b/solve/src/js/bootstrap.bundle.js @@ -0,0 +1,6328 @@ +/*! + * Bootstrap v4.0.0 (https://getbootstrap.com) + * Copyright 2011-2018 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors) + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('jquery')) : + typeof define === 'function' && define.amd ? define(['exports', 'jquery'], factory) : + (factory((global.bootstrap = {}),global.jQuery)); +}(this, (function (exports,$) { 'use strict'; + +$ = $ && $.hasOwnProperty('default') ? $['default'] : $; + +function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } +} + +function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + return Constructor; +} + +function _extends() { + _extends = Object.assign || function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target; + }; + + return _extends.apply(this, arguments); +} + +function _inheritsLoose(subClass, superClass) { + subClass.prototype = Object.create(superClass.prototype); + subClass.prototype.constructor = subClass; + subClass.__proto__ = superClass; +} + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): util.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Util = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Private TransitionEnd Helpers + * ------------------------------------------------------------------------ + */ + var transition = false; + var MAX_UID = 1000000; // Shoutout AngusCroll (https://goo.gl/pxwQGp) + + function toType(obj) { + return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase(); + } + + function getSpecialTransitionEndEvent() { + return { + bindType: transition.end, + delegateType: transition.end, + handle: function handle(event) { + if ($$$1(event.target).is(this)) { + return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params + } + + return undefined; // eslint-disable-line no-undefined + } + }; + } + + function transitionEndTest() { + if (typeof window !== 'undefined' && window.QUnit) { + return false; + } + + return { + end: 'transitionend' + }; + } + + function transitionEndEmulator(duration) { + var _this = this; + + var called = false; + $$$1(this).one(Util.TRANSITION_END, function () { + called = true; + }); + setTimeout(function () { + if (!called) { + Util.triggerTransitionEnd(_this); + } + }, duration); + return this; + } + + function setTransitionEndSupport() { + transition = transitionEndTest(); + $$$1.fn.emulateTransitionEnd = transitionEndEmulator; + + if (Util.supportsTransitionEnd()) { + $$$1.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent(); + } + } + + function escapeId(selector) { + // We escape IDs in case of special selectors (selector = '#myId:something') + // $.escapeSelector does not exist in jQuery < 3 + selector = typeof $$$1.escapeSelector === 'function' ? $$$1.escapeSelector(selector).substr(1) : selector.replace(/(:|\.|\[|\]|,|=|@)/g, '\\$1'); + return selector; + } + /** + * -------------------------------------------------------------------------- + * Public Util Api + * -------------------------------------------------------------------------- + */ + + + var Util = { + TRANSITION_END: 'bsTransitionEnd', + getUID: function getUID(prefix) { + do { + // eslint-disable-next-line no-bitwise + prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here + } while (document.getElementById(prefix)); + + return prefix; + }, + getSelectorFromElement: function getSelectorFromElement(element) { + var selector = element.getAttribute('data-target'); + + if (!selector || selector === '#') { + selector = element.getAttribute('href') || ''; + } // If it's an ID + + + if (selector.charAt(0) === '#') { + selector = escapeId(selector); + } + + try { + var $selector = $$$1(document).find(selector); + return $selector.length > 0 ? selector : null; + } catch (err) { + return null; + } + }, + reflow: function reflow(element) { + return element.offsetHeight; + }, + triggerTransitionEnd: function triggerTransitionEnd(element) { + $$$1(element).trigger(transition.end); + }, + supportsTransitionEnd: function supportsTransitionEnd() { + return Boolean(transition); + }, + isElement: function isElement(obj) { + return (obj[0] || obj).nodeType; + }, + typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) { + for (var property in configTypes) { + if (Object.prototype.hasOwnProperty.call(configTypes, property)) { + var expectedTypes = configTypes[property]; + var value = config[property]; + var valueType = value && Util.isElement(value) ? 'element' : toType(value); + + if (!new RegExp(expectedTypes).test(valueType)) { + throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\".")); + } + } + } + } + }; + setTransitionEndSupport(); + return Util; +}($); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): alert.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Alert = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'alert'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.alert'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var TRANSITION_DURATION = 150; + var Selector = { + DISMISS: '[data-dismiss="alert"]' + }; + var Event = { + CLOSE: "close" + EVENT_KEY, + CLOSED: "closed" + EVENT_KEY, + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + ALERT: 'alert', + FADE: 'fade', + SHOW: 'show' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Alert = + /*#__PURE__*/ + function () { + function Alert(element) { + this._element = element; + } // Getters + + + var _proto = Alert.prototype; + + // Public + _proto.close = function close(element) { + element = element || this._element; + + var rootElement = this._getRootElement(element); + + var customEvent = this._triggerCloseEvent(rootElement); + + if (customEvent.isDefaultPrevented()) { + return; + } + + this._removeElement(rootElement); + }; + + _proto.dispose = function dispose() { + $$$1.removeData(this._element, DATA_KEY); + this._element = null; + }; // Private + + + _proto._getRootElement = function _getRootElement(element) { + var selector = Util.getSelectorFromElement(element); + var parent = false; + + if (selector) { + parent = $$$1(selector)[0]; + } + + if (!parent) { + parent = $$$1(element).closest("." + ClassName.ALERT)[0]; + } + + return parent; + }; + + _proto._triggerCloseEvent = function _triggerCloseEvent(element) { + var closeEvent = $$$1.Event(Event.CLOSE); + $$$1(element).trigger(closeEvent); + return closeEvent; + }; + + _proto._removeElement = function _removeElement(element) { + var _this = this; + + $$$1(element).removeClass(ClassName.SHOW); + + if (!Util.supportsTransitionEnd() || !$$$1(element).hasClass(ClassName.FADE)) { + this._destroyElement(element); + + return; + } + + $$$1(element).one(Util.TRANSITION_END, function (event) { + return _this._destroyElement(element, event); + }).emulateTransitionEnd(TRANSITION_DURATION); + }; + + _proto._destroyElement = function _destroyElement(element) { + $$$1(element).detach().trigger(Event.CLOSED).remove(); + }; // Static + + + Alert._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var $element = $$$1(this); + var data = $element.data(DATA_KEY); + + if (!data) { + data = new Alert(this); + $element.data(DATA_KEY, data); + } + + if (config === 'close') { + data[config](this); + } + }); + }; + + Alert._handleDismiss = function _handleDismiss(alertInstance) { + return function (event) { + if (event) { + event.preventDefault(); + } + + alertInstance.close(this); + }; + }; + + _createClass(Alert, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }]); + return Alert; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $$$1(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert())); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $$$1.fn[NAME] = Alert._jQueryInterface; + $$$1.fn[NAME].Constructor = Alert; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Alert._jQueryInterface; + }; + + return Alert; +}($); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): button.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Button = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'button'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.button'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var ClassName = { + ACTIVE: 'active', + BUTTON: 'btn', + FOCUS: 'focus' + }; + var Selector = { + DATA_TOGGLE_CARROT: '[data-toggle^="button"]', + DATA_TOGGLE: '[data-toggle="buttons"]', + INPUT: 'input', + ACTIVE: '.active', + BUTTON: '.btn' + }; + var Event = { + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY, + FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY) + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Button = + /*#__PURE__*/ + function () { + function Button(element) { + this._element = element; + } // Getters + + + var _proto = Button.prototype; + + // Public + _proto.toggle = function toggle() { + var triggerChangeEvent = true; + var addAriaPressed = true; + var rootElement = $$$1(this._element).closest(Selector.DATA_TOGGLE)[0]; + + if (rootElement) { + var input = $$$1(this._element).find(Selector.INPUT)[0]; + + if (input) { + if (input.type === 'radio') { + if (input.checked && $$$1(this._element).hasClass(ClassName.ACTIVE)) { + triggerChangeEvent = false; + } else { + var activeElement = $$$1(rootElement).find(Selector.ACTIVE)[0]; + + if (activeElement) { + $$$1(activeElement).removeClass(ClassName.ACTIVE); + } + } + } + + if (triggerChangeEvent) { + if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) { + return; + } + + input.checked = !$$$1(this._element).hasClass(ClassName.ACTIVE); + $$$1(input).trigger('change'); + } + + input.focus(); + addAriaPressed = false; + } + } + + if (addAriaPressed) { + this._element.setAttribute('aria-pressed', !$$$1(this._element).hasClass(ClassName.ACTIVE)); + } + + if (triggerChangeEvent) { + $$$1(this._element).toggleClass(ClassName.ACTIVE); + } + }; + + _proto.dispose = function dispose() { + $$$1.removeData(this._element, DATA_KEY); + this._element = null; + }; // Static + + + Button._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $$$1(this).data(DATA_KEY); + + if (!data) { + data = new Button(this); + $$$1(this).data(DATA_KEY, data); + } + + if (config === 'toggle') { + data[config](); + } + }); + }; + + _createClass(Button, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }]); + return Button; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) { + event.preventDefault(); + var button = event.target; + + if (!$$$1(button).hasClass(ClassName.BUTTON)) { + button = $$$1(button).closest(Selector.BUTTON); + } + + Button._jQueryInterface.call($$$1(button), 'toggle'); + }).on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) { + var button = $$$1(event.target).closest(Selector.BUTTON)[0]; + $$$1(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type)); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $$$1.fn[NAME] = Button._jQueryInterface; + $$$1.fn[NAME].Constructor = Button; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Button._jQueryInterface; + }; + + return Button; +}($); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): carousel.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Carousel = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'carousel'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.carousel'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var TRANSITION_DURATION = 600; + var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key + + var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key + + var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch + + var Default = { + interval: 5000, + keyboard: true, + slide: false, + pause: 'hover', + wrap: true + }; + var DefaultType = { + interval: '(number|boolean)', + keyboard: 'boolean', + slide: '(boolean|string)', + pause: '(string|boolean)', + wrap: 'boolean' + }; + var Direction = { + NEXT: 'next', + PREV: 'prev', + LEFT: 'left', + RIGHT: 'right' + }; + var Event = { + SLIDE: "slide" + EVENT_KEY, + SLID: "slid" + EVENT_KEY, + KEYDOWN: "keydown" + EVENT_KEY, + MOUSEENTER: "mouseenter" + EVENT_KEY, + MOUSELEAVE: "mouseleave" + EVENT_KEY, + TOUCHEND: "touchend" + EVENT_KEY, + LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY, + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + CAROUSEL: 'carousel', + ACTIVE: 'active', + SLIDE: 'slide', + RIGHT: 'carousel-item-right', + LEFT: 'carousel-item-left', + NEXT: 'carousel-item-next', + PREV: 'carousel-item-prev', + ITEM: 'carousel-item' + }; + var Selector = { + ACTIVE: '.active', + ACTIVE_ITEM: '.active.carousel-item', + ITEM: '.carousel-item', + NEXT_PREV: '.carousel-item-next, .carousel-item-prev', + INDICATORS: '.carousel-indicators', + DATA_SLIDE: '[data-slide], [data-slide-to]', + DATA_RIDE: '[data-ride="carousel"]' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Carousel = + /*#__PURE__*/ + function () { + function Carousel(element, config) { + this._items = null; + this._interval = null; + this._activeElement = null; + this._isPaused = false; + this._isSliding = false; + this.touchTimeout = null; + this._config = this._getConfig(config); + this._element = $$$1(element)[0]; + this._indicatorsElement = $$$1(this._element).find(Selector.INDICATORS)[0]; + + this._addEventListeners(); + } // Getters + + + var _proto = Carousel.prototype; + + // Public + _proto.next = function next() { + if (!this._isSliding) { + this._slide(Direction.NEXT); + } + }; + + _proto.nextWhenVisible = function nextWhenVisible() { + // Don't call next when the page isn't visible + // or the carousel or its parent isn't visible + if (!document.hidden && $$$1(this._element).is(':visible') && $$$1(this._element).css('visibility') !== 'hidden') { + this.next(); + } + }; + + _proto.prev = function prev() { + if (!this._isSliding) { + this._slide(Direction.PREV); + } + }; + + _proto.pause = function pause(event) { + if (!event) { + this._isPaused = true; + } + + if ($$$1(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) { + Util.triggerTransitionEnd(this._element); + this.cycle(true); + } + + clearInterval(this._interval); + this._interval = null; + }; + + _proto.cycle = function cycle(event) { + if (!event) { + this._isPaused = false; + } + + if (this._interval) { + clearInterval(this._interval); + this._interval = null; + } + + if (this._config.interval && !this._isPaused) { + this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval); + } + }; + + _proto.to = function to(index) { + var _this = this; + + this._activeElement = $$$1(this._element).find(Selector.ACTIVE_ITEM)[0]; + + var activeIndex = this._getItemIndex(this._activeElement); + + if (index > this._items.length - 1 || index < 0) { + return; + } + + if (this._isSliding) { + $$$1(this._element).one(Event.SLID, function () { + return _this.to(index); + }); + return; + } + + if (activeIndex === index) { + this.pause(); + this.cycle(); + return; + } + + var direction = index > activeIndex ? Direction.NEXT : Direction.PREV; + + this._slide(direction, this._items[index]); + }; + + _proto.dispose = function dispose() { + $$$1(this._element).off(EVENT_KEY); + $$$1.removeData(this._element, DATA_KEY); + this._items = null; + this._config = null; + this._element = null; + this._interval = null; + this._isPaused = null; + this._isSliding = null; + this._activeElement = null; + this._indicatorsElement = null; + }; // Private + + + _proto._getConfig = function _getConfig(config) { + config = _extends({}, Default, config); + Util.typeCheckConfig(NAME, config, DefaultType); + return config; + }; + + _proto._addEventListeners = function _addEventListeners() { + var _this2 = this; + + if (this._config.keyboard) { + $$$1(this._element).on(Event.KEYDOWN, function (event) { + return _this2._keydown(event); + }); + } + + if (this._config.pause === 'hover') { + $$$1(this._element).on(Event.MOUSEENTER, function (event) { + return _this2.pause(event); + }).on(Event.MOUSELEAVE, function (event) { + return _this2.cycle(event); + }); + + if ('ontouchstart' in document.documentElement) { + // If it's a touch-enabled device, mouseenter/leave are fired as + // part of the mouse compatibility events on first tap - the carousel + // would stop cycling until user tapped out of it; + // here, we listen for touchend, explicitly pause the carousel + // (as if it's the second time we tap on it, mouseenter compat event + // is NOT fired) and after a timeout (to allow for mouse compatibility + // events to fire) we explicitly restart cycling + $$$1(this._element).on(Event.TOUCHEND, function () { + _this2.pause(); + + if (_this2.touchTimeout) { + clearTimeout(_this2.touchTimeout); + } + + _this2.touchTimeout = setTimeout(function (event) { + return _this2.cycle(event); + }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval); + }); + } + } + }; + + _proto._keydown = function _keydown(event) { + if (/input|textarea/i.test(event.target.tagName)) { + return; + } + + switch (event.which) { + case ARROW_LEFT_KEYCODE: + event.preventDefault(); + this.prev(); + break; + + case ARROW_RIGHT_KEYCODE: + event.preventDefault(); + this.next(); + break; + + default: + } + }; + + _proto._getItemIndex = function _getItemIndex(element) { + this._items = $$$1.makeArray($$$1(element).parent().find(Selector.ITEM)); + return this._items.indexOf(element); + }; + + _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) { + var isNextDirection = direction === Direction.NEXT; + var isPrevDirection = direction === Direction.PREV; + + var activeIndex = this._getItemIndex(activeElement); + + var lastItemIndex = this._items.length - 1; + var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex; + + if (isGoingToWrap && !this._config.wrap) { + return activeElement; + } + + var delta = direction === Direction.PREV ? -1 : 1; + var itemIndex = (activeIndex + delta) % this._items.length; + return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex]; + }; + + _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) { + var targetIndex = this._getItemIndex(relatedTarget); + + var fromIndex = this._getItemIndex($$$1(this._element).find(Selector.ACTIVE_ITEM)[0]); + + var slideEvent = $$$1.Event(Event.SLIDE, { + relatedTarget: relatedTarget, + direction: eventDirectionName, + from: fromIndex, + to: targetIndex + }); + $$$1(this._element).trigger(slideEvent); + return slideEvent; + }; + + _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) { + if (this._indicatorsElement) { + $$$1(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE); + + var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)]; + + if (nextIndicator) { + $$$1(nextIndicator).addClass(ClassName.ACTIVE); + } + } + }; + + _proto._slide = function _slide(direction, element) { + var _this3 = this; + + var activeElement = $$$1(this._element).find(Selector.ACTIVE_ITEM)[0]; + + var activeElementIndex = this._getItemIndex(activeElement); + + var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement); + + var nextElementIndex = this._getItemIndex(nextElement); + + var isCycling = Boolean(this._interval); + var directionalClassName; + var orderClassName; + var eventDirectionName; + + if (direction === Direction.NEXT) { + directionalClassName = ClassName.LEFT; + orderClassName = ClassName.NEXT; + eventDirectionName = Direction.LEFT; + } else { + directionalClassName = ClassName.RIGHT; + orderClassName = ClassName.PREV; + eventDirectionName = Direction.RIGHT; + } + + if (nextElement && $$$1(nextElement).hasClass(ClassName.ACTIVE)) { + this._isSliding = false; + return; + } + + var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName); + + if (slideEvent.isDefaultPrevented()) { + return; + } + + if (!activeElement || !nextElement) { + // Some weirdness is happening, so we bail + return; + } + + this._isSliding = true; + + if (isCycling) { + this.pause(); + } + + this._setActiveIndicatorElement(nextElement); + + var slidEvent = $$$1.Event(Event.SLID, { + relatedTarget: nextElement, + direction: eventDirectionName, + from: activeElementIndex, + to: nextElementIndex + }); + + if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.SLIDE)) { + $$$1(nextElement).addClass(orderClassName); + Util.reflow(nextElement); + $$$1(activeElement).addClass(directionalClassName); + $$$1(nextElement).addClass(directionalClassName); + $$$1(activeElement).one(Util.TRANSITION_END, function () { + $$$1(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE); + $$$1(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName); + _this3._isSliding = false; + setTimeout(function () { + return $$$1(_this3._element).trigger(slidEvent); + }, 0); + }).emulateTransitionEnd(TRANSITION_DURATION); + } else { + $$$1(activeElement).removeClass(ClassName.ACTIVE); + $$$1(nextElement).addClass(ClassName.ACTIVE); + this._isSliding = false; + $$$1(this._element).trigger(slidEvent); + } + + if (isCycling) { + this.cycle(); + } + }; // Static + + + Carousel._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $$$1(this).data(DATA_KEY); + + var _config = _extends({}, Default, $$$1(this).data()); + + if (typeof config === 'object') { + _config = _extends({}, _config, config); + } + + var action = typeof config === 'string' ? config : _config.slide; + + if (!data) { + data = new Carousel(this, _config); + $$$1(this).data(DATA_KEY, data); + } + + if (typeof config === 'number') { + data.to(config); + } else if (typeof action === 'string') { + if (typeof data[action] === 'undefined') { + throw new TypeError("No method named \"" + action + "\""); + } + + data[action](); + } else if (_config.interval) { + data.pause(); + data.cycle(); + } + }); + }; + + Carousel._dataApiClickHandler = function _dataApiClickHandler(event) { + var selector = Util.getSelectorFromElement(this); + + if (!selector) { + return; + } + + var target = $$$1(selector)[0]; + + if (!target || !$$$1(target).hasClass(ClassName.CAROUSEL)) { + return; + } + + var config = _extends({}, $$$1(target).data(), $$$1(this).data()); + var slideIndex = this.getAttribute('data-slide-to'); + + if (slideIndex) { + config.interval = false; + } + + Carousel._jQueryInterface.call($$$1(target), config); + + if (slideIndex) { + $$$1(target).data(DATA_KEY).to(slideIndex); + } + + event.preventDefault(); + }; + + _createClass(Carousel, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }]); + return Carousel; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler); + $$$1(window).on(Event.LOAD_DATA_API, function () { + $$$1(Selector.DATA_RIDE).each(function () { + var $carousel = $$$1(this); + + Carousel._jQueryInterface.call($carousel, $carousel.data()); + }); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $$$1.fn[NAME] = Carousel._jQueryInterface; + $$$1.fn[NAME].Constructor = Carousel; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Carousel._jQueryInterface; + }; + + return Carousel; +}($); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): collapse.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Collapse = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'collapse'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.collapse'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var TRANSITION_DURATION = 600; + var Default = { + toggle: true, + parent: '' + }; + var DefaultType = { + toggle: 'boolean', + parent: '(string|element)' + }; + var Event = { + SHOW: "show" + EVENT_KEY, + SHOWN: "shown" + EVENT_KEY, + HIDE: "hide" + EVENT_KEY, + HIDDEN: "hidden" + EVENT_KEY, + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + SHOW: 'show', + COLLAPSE: 'collapse', + COLLAPSING: 'collapsing', + COLLAPSED: 'collapsed' + }; + var Dimension = { + WIDTH: 'width', + HEIGHT: 'height' + }; + var Selector = { + ACTIVES: '.show, .collapsing', + DATA_TOGGLE: '[data-toggle="collapse"]' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Collapse = + /*#__PURE__*/ + function () { + function Collapse(element, config) { + this._isTransitioning = false; + this._element = element; + this._config = this._getConfig(config); + this._triggerArray = $$$1.makeArray($$$1("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]"))); + var tabToggles = $$$1(Selector.DATA_TOGGLE); + + for (var i = 0; i < tabToggles.length; i++) { + var elem = tabToggles[i]; + var selector = Util.getSelectorFromElement(elem); + + if (selector !== null && $$$1(selector).filter(element).length > 0) { + this._selector = selector; + + this._triggerArray.push(elem); + } + } + + this._parent = this._config.parent ? this._getParent() : null; + + if (!this._config.parent) { + this._addAriaAndCollapsedClass(this._element, this._triggerArray); + } + + if (this._config.toggle) { + this.toggle(); + } + } // Getters + + + var _proto = Collapse.prototype; + + // Public + _proto.toggle = function toggle() { + if ($$$1(this._element).hasClass(ClassName.SHOW)) { + this.hide(); + } else { + this.show(); + } + }; + + _proto.show = function show() { + var _this = this; + + if (this._isTransitioning || $$$1(this._element).hasClass(ClassName.SHOW)) { + return; + } + + var actives; + var activesData; + + if (this._parent) { + actives = $$$1.makeArray($$$1(this._parent).find(Selector.ACTIVES).filter("[data-parent=\"" + this._config.parent + "\"]")); + + if (actives.length === 0) { + actives = null; + } + } + + if (actives) { + activesData = $$$1(actives).not(this._selector).data(DATA_KEY); + + if (activesData && activesData._isTransitioning) { + return; + } + } + + var startEvent = $$$1.Event(Event.SHOW); + $$$1(this._element).trigger(startEvent); + + if (startEvent.isDefaultPrevented()) { + return; + } + + if (actives) { + Collapse._jQueryInterface.call($$$1(actives).not(this._selector), 'hide'); + + if (!activesData) { + $$$1(actives).data(DATA_KEY, null); + } + } + + var dimension = this._getDimension(); + + $$$1(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING); + this._element.style[dimension] = 0; + + if (this._triggerArray.length > 0) { + $$$1(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true); + } + + this.setTransitioning(true); + + var complete = function complete() { + $$$1(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW); + _this._element.style[dimension] = ''; + + _this.setTransitioning(false); + + $$$1(_this._element).trigger(Event.SHOWN); + }; + + if (!Util.supportsTransitionEnd()) { + complete(); + return; + } + + var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1); + var scrollSize = "scroll" + capitalizedDimension; + $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION); + this._element.style[dimension] = this._element[scrollSize] + "px"; + }; + + _proto.hide = function hide() { + var _this2 = this; + + if (this._isTransitioning || !$$$1(this._element).hasClass(ClassName.SHOW)) { + return; + } + + var startEvent = $$$1.Event(Event.HIDE); + $$$1(this._element).trigger(startEvent); + + if (startEvent.isDefaultPrevented()) { + return; + } + + var dimension = this._getDimension(); + + this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px"; + Util.reflow(this._element); + $$$1(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW); + + if (this._triggerArray.length > 0) { + for (var i = 0; i < this._triggerArray.length; i++) { + var trigger = this._triggerArray[i]; + var selector = Util.getSelectorFromElement(trigger); + + if (selector !== null) { + var $elem = $$$1(selector); + + if (!$elem.hasClass(ClassName.SHOW)) { + $$$1(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false); + } + } + } + } + + this.setTransitioning(true); + + var complete = function complete() { + _this2.setTransitioning(false); + + $$$1(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN); + }; + + this._element.style[dimension] = ''; + + if (!Util.supportsTransitionEnd()) { + complete(); + return; + } + + $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION); + }; + + _proto.setTransitioning = function setTransitioning(isTransitioning) { + this._isTransitioning = isTransitioning; + }; + + _proto.dispose = function dispose() { + $$$1.removeData(this._element, DATA_KEY); + this._config = null; + this._parent = null; + this._element = null; + this._triggerArray = null; + this._isTransitioning = null; + }; // Private + + + _proto._getConfig = function _getConfig(config) { + config = _extends({}, Default, config); + config.toggle = Boolean(config.toggle); // Coerce string values + + Util.typeCheckConfig(NAME, config, DefaultType); + return config; + }; + + _proto._getDimension = function _getDimension() { + var hasWidth = $$$1(this._element).hasClass(Dimension.WIDTH); + return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT; + }; + + _proto._getParent = function _getParent() { + var _this3 = this; + + var parent = null; + + if (Util.isElement(this._config.parent)) { + parent = this._config.parent; // It's a jQuery object + + if (typeof this._config.parent.jquery !== 'undefined') { + parent = this._config.parent[0]; + } + } else { + parent = $$$1(this._config.parent)[0]; + } + + var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]"; + $$$1(parent).find(selector).each(function (i, element) { + _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]); + }); + return parent; + }; + + _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) { + if (element) { + var isOpen = $$$1(element).hasClass(ClassName.SHOW); + + if (triggerArray.length > 0) { + $$$1(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen); + } + } + }; // Static + + + Collapse._getTargetFromElement = function _getTargetFromElement(element) { + var selector = Util.getSelectorFromElement(element); + return selector ? $$$1(selector)[0] : null; + }; + + Collapse._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var $this = $$$1(this); + var data = $this.data(DATA_KEY); + + var _config = _extends({}, Default, $this.data(), typeof config === 'object' && config); + + if (!data && _config.toggle && /show|hide/.test(config)) { + _config.toggle = false; + } + + if (!data) { + data = new Collapse(this, _config); + $this.data(DATA_KEY, data); + } + + if (typeof config === 'string') { + if (typeof data[config] === 'undefined') { + throw new TypeError("No method named \"" + config + "\""); + } + + data[config](); + } + }); + }; + + _createClass(Collapse, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }]); + return Collapse; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { + // preventDefault only for elements (which change the URL) not inside the collapsible element + if (event.currentTarget.tagName === 'A') { + event.preventDefault(); + } + + var $trigger = $$$1(this); + var selector = Util.getSelectorFromElement(this); + $$$1(selector).each(function () { + var $target = $$$1(this); + var data = $target.data(DATA_KEY); + var config = data ? 'toggle' : $trigger.data(); + + Collapse._jQueryInterface.call($target, config); + }); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $$$1.fn[NAME] = Collapse._jQueryInterface; + $$$1.fn[NAME].Constructor = Collapse; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Collapse._jQueryInterface; + }; + + return Collapse; +}($); + +/**! + * @fileOverview Kickass library to create and place poppers near their reference elements. + * @version 1.12.9 + * @license + * Copyright (c) 2016 Federico Zivolo and contributors + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined'; +var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox']; +var timeoutDuration = 0; +for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) { + if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) { + timeoutDuration = 1; + break; + } +} + +function microtaskDebounce(fn) { + var called = false; + return function () { + if (called) { + return; + } + called = true; + window.Promise.resolve().then(function () { + called = false; + fn(); + }); + }; +} + +function taskDebounce(fn) { + var scheduled = false; + return function () { + if (!scheduled) { + scheduled = true; + setTimeout(function () { + scheduled = false; + fn(); + }, timeoutDuration); + } + }; +} + +var supportsMicroTasks = isBrowser && window.Promise; + +/** +* Create a debounced version of a method, that's asynchronously deferred +* but called in the minimum time possible. +* +* @method +* @memberof Popper.Utils +* @argument {Function} fn +* @returns {Function} +*/ +var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce; + +/** + * Check if the given variable is a function + * @method + * @memberof Popper.Utils + * @argument {Any} functionToCheck - variable to check + * @returns {Boolean} answer to: is a function? + */ +function isFunction(functionToCheck) { + var getType = {}; + return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]'; +} + +/** + * Get CSS computed property of the given element + * @method + * @memberof Popper.Utils + * @argument {Eement} element + * @argument {String} property + */ +function getStyleComputedProperty(element, property) { + if (element.nodeType !== 1) { + return []; + } + // NOTE: 1 DOM access here + var css = getComputedStyle(element, null); + return property ? css[property] : css; +} + +/** + * Returns the parentNode or the host of the element + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} parent + */ +function getParentNode(element) { + if (element.nodeName === 'HTML') { + return element; + } + return element.parentNode || element.host; +} + +/** + * Returns the scrolling parent of the given element + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} scroll parent + */ +function getScrollParent(element) { + // Return body, `getScroll` will take care to get the correct `scrollTop` from it + if (!element) { + return document.body; + } + + switch (element.nodeName) { + case 'HTML': + case 'BODY': + return element.ownerDocument.body; + case '#document': + return element.body; + } + + // Firefox want us to check `-x` and `-y` variations as well + + var _getStyleComputedProp = getStyleComputedProperty(element), + overflow = _getStyleComputedProp.overflow, + overflowX = _getStyleComputedProp.overflowX, + overflowY = _getStyleComputedProp.overflowY; + + if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) { + return element; + } + + return getScrollParent(getParentNode(element)); +} + +/** + * Returns the offset parent of the given element + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} offset parent + */ +function getOffsetParent(element) { + // NOTE: 1 DOM access here + var offsetParent = element && element.offsetParent; + var nodeName = offsetParent && offsetParent.nodeName; + + if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') { + if (element) { + return element.ownerDocument.documentElement; + } + + return document.documentElement; + } + + // .offsetParent will return the closest TD or TABLE in case + // no offsetParent is present, I hate this job... + if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') { + return getOffsetParent(offsetParent); + } + + return offsetParent; +} + +function isOffsetContainer(element) { + var nodeName = element.nodeName; + + if (nodeName === 'BODY') { + return false; + } + return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element; +} + +/** + * Finds the root node (document, shadowDOM root) of the given element + * @method + * @memberof Popper.Utils + * @argument {Element} node + * @returns {Element} root node + */ +function getRoot(node) { + if (node.parentNode !== null) { + return getRoot(node.parentNode); + } + + return node; +} + +/** + * Finds the offset parent common to the two provided nodes + * @method + * @memberof Popper.Utils + * @argument {Element} element1 + * @argument {Element} element2 + * @returns {Element} common offset parent + */ +function findCommonOffsetParent(element1, element2) { + // This check is needed to avoid errors in case one of the elements isn't defined for any reason + if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) { + return document.documentElement; + } + + // Here we make sure to give as "start" the element that comes first in the DOM + var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING; + var start = order ? element1 : element2; + var end = order ? element2 : element1; + + // Get common ancestor container + var range = document.createRange(); + range.setStart(start, 0); + range.setEnd(end, 0); + var commonAncestorContainer = range.commonAncestorContainer; + + // Both nodes are inside #document + + if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) { + if (isOffsetContainer(commonAncestorContainer)) { + return commonAncestorContainer; + } + + return getOffsetParent(commonAncestorContainer); + } + + // one of the nodes is inside shadowDOM, find which one + var element1root = getRoot(element1); + if (element1root.host) { + return findCommonOffsetParent(element1root.host, element2); + } else { + return findCommonOffsetParent(element1, getRoot(element2).host); + } +} + +/** + * Gets the scroll value of the given element in the given side (top and left) + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @argument {String} side `top` or `left` + * @returns {number} amount of scrolled pixels + */ +function getScroll(element) { + var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top'; + + var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft'; + var nodeName = element.nodeName; + + if (nodeName === 'BODY' || nodeName === 'HTML') { + var html = element.ownerDocument.documentElement; + var scrollingElement = element.ownerDocument.scrollingElement || html; + return scrollingElement[upperSide]; + } + + return element[upperSide]; +} + +/* + * Sum or subtract the element scroll values (left and top) from a given rect object + * @method + * @memberof Popper.Utils + * @param {Object} rect - Rect object you want to change + * @param {HTMLElement} element - The element from the function reads the scroll values + * @param {Boolean} subtract - set to true if you want to subtract the scroll values + * @return {Object} rect - The modifier rect object + */ +function includeScroll(rect, element) { + var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + + var scrollTop = getScroll(element, 'top'); + var scrollLeft = getScroll(element, 'left'); + var modifier = subtract ? -1 : 1; + rect.top += scrollTop * modifier; + rect.bottom += scrollTop * modifier; + rect.left += scrollLeft * modifier; + rect.right += scrollLeft * modifier; + return rect; +} + +/* + * Helper to detect borders of a given element + * @method + * @memberof Popper.Utils + * @param {CSSStyleDeclaration} styles + * Result of `getStyleComputedProperty` on the given element + * @param {String} axis - `x` or `y` + * @return {number} borders - The borders size of the given axis + */ + +function getBordersSize(styles, axis) { + var sideA = axis === 'x' ? 'Left' : 'Top'; + var sideB = sideA === 'Left' ? 'Right' : 'Bottom'; + + return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10); +} + +/** + * Tells if you are running Internet Explorer 10 + * @method + * @memberof Popper.Utils + * @returns {Boolean} isIE10 + */ +var isIE10 = undefined; + +var isIE10$1 = function () { + if (isIE10 === undefined) { + isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1; + } + return isIE10; +}; + +function getSize(axis, body, html, computedStyle) { + return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0); +} + +function getWindowSizes() { + var body = document.body; + var html = document.documentElement; + var computedStyle = isIE10$1() && getComputedStyle(html); + + return { + height: getSize('Height', body, html, computedStyle), + width: getSize('Width', body, html, computedStyle) + }; +} + +var classCallCheck = function (instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +}; + +var createClass = function () { + function defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + + return function (Constructor, protoProps, staticProps) { + if (protoProps) defineProperties(Constructor.prototype, protoProps); + if (staticProps) defineProperties(Constructor, staticProps); + return Constructor; + }; +}(); + + + + + +var defineProperty = function (obj, key, value) { + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } + + return obj; +}; + +var _extends$1 = Object.assign || function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target; +}; + +/** + * Given element offsets, generate an output similar to getBoundingClientRect + * @method + * @memberof Popper.Utils + * @argument {Object} offsets + * @returns {Object} ClientRect like output + */ +function getClientRect(offsets) { + return _extends$1({}, offsets, { + right: offsets.left + offsets.width, + bottom: offsets.top + offsets.height + }); +} + +/** + * Get bounding client rect of given element + * @method + * @memberof Popper.Utils + * @param {HTMLElement} element + * @return {Object} client rect + */ +function getBoundingClientRect(element) { + var rect = {}; + + // IE10 10 FIX: Please, don't ask, the element isn't + // considered in DOM in some circumstances... + // This isn't reproducible in IE10 compatibility mode of IE11 + if (isIE10$1()) { + try { + rect = element.getBoundingClientRect(); + var scrollTop = getScroll(element, 'top'); + var scrollLeft = getScroll(element, 'left'); + rect.top += scrollTop; + rect.left += scrollLeft; + rect.bottom += scrollTop; + rect.right += scrollLeft; + } catch (err) {} + } else { + rect = element.getBoundingClientRect(); + } + + var result = { + left: rect.left, + top: rect.top, + width: rect.right - rect.left, + height: rect.bottom - rect.top + }; + + // subtract scrollbar size from sizes + var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {}; + var width = sizes.width || element.clientWidth || result.right - result.left; + var height = sizes.height || element.clientHeight || result.bottom - result.top; + + var horizScrollbar = element.offsetWidth - width; + var vertScrollbar = element.offsetHeight - height; + + // if an hypothetical scrollbar is detected, we must be sure it's not a `border` + // we make this check conditional for performance reasons + if (horizScrollbar || vertScrollbar) { + var styles = getStyleComputedProperty(element); + horizScrollbar -= getBordersSize(styles, 'x'); + vertScrollbar -= getBordersSize(styles, 'y'); + + result.width -= horizScrollbar; + result.height -= vertScrollbar; + } + + return getClientRect(result); +} + +function getOffsetRectRelativeToArbitraryNode(children, parent) { + var isIE10 = isIE10$1(); + var isHTML = parent.nodeName === 'HTML'; + var childrenRect = getBoundingClientRect(children); + var parentRect = getBoundingClientRect(parent); + var scrollParent = getScrollParent(children); + + var styles = getStyleComputedProperty(parent); + var borderTopWidth = parseFloat(styles.borderTopWidth, 10); + var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10); + + var offsets = getClientRect({ + top: childrenRect.top - parentRect.top - borderTopWidth, + left: childrenRect.left - parentRect.left - borderLeftWidth, + width: childrenRect.width, + height: childrenRect.height + }); + offsets.marginTop = 0; + offsets.marginLeft = 0; + + // Subtract margins of documentElement in case it's being used as parent + // we do this only on HTML because it's the only element that behaves + // differently when margins are applied to it. The margins are included in + // the box of the documentElement, in the other cases not. + if (!isIE10 && isHTML) { + var marginTop = parseFloat(styles.marginTop, 10); + var marginLeft = parseFloat(styles.marginLeft, 10); + + offsets.top -= borderTopWidth - marginTop; + offsets.bottom -= borderTopWidth - marginTop; + offsets.left -= borderLeftWidth - marginLeft; + offsets.right -= borderLeftWidth - marginLeft; + + // Attach marginTop and marginLeft because in some circumstances we may need them + offsets.marginTop = marginTop; + offsets.marginLeft = marginLeft; + } + + if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') { + offsets = includeScroll(offsets, parent); + } + + return offsets; +} + +function getViewportOffsetRectRelativeToArtbitraryNode(element) { + var html = element.ownerDocument.documentElement; + var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html); + var width = Math.max(html.clientWidth, window.innerWidth || 0); + var height = Math.max(html.clientHeight, window.innerHeight || 0); + + var scrollTop = getScroll(html); + var scrollLeft = getScroll(html, 'left'); + + var offset = { + top: scrollTop - relativeOffset.top + relativeOffset.marginTop, + left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft, + width: width, + height: height + }; + + return getClientRect(offset); +} + +/** + * Check if the given element is fixed or is inside a fixed parent + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @argument {Element} customContainer + * @returns {Boolean} answer to "isFixed?" + */ +function isFixed(element) { + var nodeName = element.nodeName; + if (nodeName === 'BODY' || nodeName === 'HTML') { + return false; + } + if (getStyleComputedProperty(element, 'position') === 'fixed') { + return true; + } + return isFixed(getParentNode(element)); +} + +/** + * Computed the boundaries limits and return them + * @method + * @memberof Popper.Utils + * @param {HTMLElement} popper + * @param {HTMLElement} reference + * @param {number} padding + * @param {HTMLElement} boundariesElement - Element used to define the boundaries + * @returns {Object} Coordinates of the boundaries + */ +function getBoundaries(popper, reference, padding, boundariesElement) { + // NOTE: 1 DOM access here + var boundaries = { top: 0, left: 0 }; + var offsetParent = findCommonOffsetParent(popper, reference); + + // Handle viewport case + if (boundariesElement === 'viewport') { + boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent); + } else { + // Handle other cases based on DOM element used as boundaries + var boundariesNode = void 0; + if (boundariesElement === 'scrollParent') { + boundariesNode = getScrollParent(getParentNode(reference)); + if (boundariesNode.nodeName === 'BODY') { + boundariesNode = popper.ownerDocument.documentElement; + } + } else if (boundariesElement === 'window') { + boundariesNode = popper.ownerDocument.documentElement; + } else { + boundariesNode = boundariesElement; + } + + var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent); + + // In case of HTML, we need a different computation + if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) { + var _getWindowSizes = getWindowSizes(), + height = _getWindowSizes.height, + width = _getWindowSizes.width; + + boundaries.top += offsets.top - offsets.marginTop; + boundaries.bottom = height + offsets.top; + boundaries.left += offsets.left - offsets.marginLeft; + boundaries.right = width + offsets.left; + } else { + // for all the other DOM elements, this one is good + boundaries = offsets; + } + } + + // Add paddings + boundaries.left += padding; + boundaries.top += padding; + boundaries.right -= padding; + boundaries.bottom -= padding; + + return boundaries; +} + +function getArea(_ref) { + var width = _ref.width, + height = _ref.height; + + return width * height; +} + +/** + * Utility used to transform the `auto` placement to the placement with more + * available space. + * @method + * @memberof Popper.Utils + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) { + var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0; + + if (placement.indexOf('auto') === -1) { + return placement; + } + + var boundaries = getBoundaries(popper, reference, padding, boundariesElement); + + var rects = { + top: { + width: boundaries.width, + height: refRect.top - boundaries.top + }, + right: { + width: boundaries.right - refRect.right, + height: boundaries.height + }, + bottom: { + width: boundaries.width, + height: boundaries.bottom - refRect.bottom + }, + left: { + width: refRect.left - boundaries.left, + height: boundaries.height + } + }; + + var sortedAreas = Object.keys(rects).map(function (key) { + return _extends$1({ + key: key + }, rects[key], { + area: getArea(rects[key]) + }); + }).sort(function (a, b) { + return b.area - a.area; + }); + + var filteredAreas = sortedAreas.filter(function (_ref2) { + var width = _ref2.width, + height = _ref2.height; + return width >= popper.clientWidth && height >= popper.clientHeight; + }); + + var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key; + + var variation = placement.split('-')[1]; + + return computedPlacement + (variation ? '-' + variation : ''); +} + +/** + * Get offsets to the reference element + * @method + * @memberof Popper.Utils + * @param {Object} state + * @param {Element} popper - the popper element + * @param {Element} reference - the reference element (the popper will be relative to this) + * @returns {Object} An object containing the offsets which will be applied to the popper + */ +function getReferenceOffsets(state, popper, reference) { + var commonOffsetParent = findCommonOffsetParent(popper, reference); + return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent); +} + +/** + * Get the outer sizes of the given element (offset size + margins) + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Object} object containing width and height properties + */ +function getOuterSizes(element) { + var styles = getComputedStyle(element); + var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom); + var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight); + var result = { + width: element.offsetWidth + y, + height: element.offsetHeight + x + }; + return result; +} + +/** + * Get the opposite placement of the given one + * @method + * @memberof Popper.Utils + * @argument {String} placement + * @returns {String} flipped placement + */ +function getOppositePlacement(placement) { + var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' }; + return placement.replace(/left|right|bottom|top/g, function (matched) { + return hash[matched]; + }); +} + +/** + * Get offsets to the popper + * @method + * @memberof Popper.Utils + * @param {Object} position - CSS position the Popper will get applied + * @param {HTMLElement} popper - the popper element + * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this) + * @param {String} placement - one of the valid placement options + * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper + */ +function getPopperOffsets(popper, referenceOffsets, placement) { + placement = placement.split('-')[0]; + + // Get popper node sizes + var popperRect = getOuterSizes(popper); + + // Add position, width and height to our offsets object + var popperOffsets = { + width: popperRect.width, + height: popperRect.height + }; + + // depending by the popper placement we have to compute its offsets slightly differently + var isHoriz = ['right', 'left'].indexOf(placement) !== -1; + var mainSide = isHoriz ? 'top' : 'left'; + var secondarySide = isHoriz ? 'left' : 'top'; + var measurement = isHoriz ? 'height' : 'width'; + var secondaryMeasurement = !isHoriz ? 'height' : 'width'; + + popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2; + if (placement === secondarySide) { + popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement]; + } else { + popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)]; + } + + return popperOffsets; +} + +/** + * Mimics the `find` method of Array + * @method + * @memberof Popper.Utils + * @argument {Array} arr + * @argument prop + * @argument value + * @returns index or -1 + */ +function find(arr, check) { + // use native find if supported + if (Array.prototype.find) { + return arr.find(check); + } + + // use `filter` to obtain the same behavior of `find` + return arr.filter(check)[0]; +} + +/** + * Return the index of the matching object + * @method + * @memberof Popper.Utils + * @argument {Array} arr + * @argument prop + * @argument value + * @returns index or -1 + */ +function findIndex(arr, prop, value) { + // use native findIndex if supported + if (Array.prototype.findIndex) { + return arr.findIndex(function (cur) { + return cur[prop] === value; + }); + } + + // use `find` + `indexOf` if `findIndex` isn't supported + var match = find(arr, function (obj) { + return obj[prop] === value; + }); + return arr.indexOf(match); +} + +/** + * Loop trough the list of modifiers and run them in order, + * each of them will then edit the data object. + * @method + * @memberof Popper.Utils + * @param {dataObject} data + * @param {Array} modifiers + * @param {String} ends - Optional modifier name used as stopper + * @returns {dataObject} + */ +function runModifiers(modifiers, data, ends) { + var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends)); + + modifiersToRun.forEach(function (modifier) { + if (modifier['function']) { + // eslint-disable-line dot-notation + console.warn('`modifier.function` is deprecated, use `modifier.fn`!'); + } + var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation + if (modifier.enabled && isFunction(fn)) { + // Add properties to offsets to make them a complete clientRect object + // we do this before each modifier to make sure the previous one doesn't + // mess with these values + data.offsets.popper = getClientRect(data.offsets.popper); + data.offsets.reference = getClientRect(data.offsets.reference); + + data = fn(data, modifier); + } + }); + + return data; +} + +/** + * Updates the position of the popper, computing the new offsets and applying + * the new style.
    + * Prefer `scheduleUpdate` over `update` because of performance reasons. + * @method + * @memberof Popper + */ +function update() { + // if popper is destroyed, don't perform any further update + if (this.state.isDestroyed) { + return; + } + + var data = { + instance: this, + styles: {}, + arrowStyles: {}, + attributes: {}, + flipped: false, + offsets: {} + }; + + // compute reference element offsets + data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference); + + // compute auto placement, store placement inside the data object, + // modifiers will be able to edit `placement` if needed + // and refer to originalPlacement to know the original value + data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding); + + // store the computed placement inside `originalPlacement` + data.originalPlacement = data.placement; + + // compute the popper offsets + data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement); + data.offsets.popper.position = 'absolute'; + + // run the modifiers + data = runModifiers(this.modifiers, data); + + // the first `update` will call `onCreate` callback + // the other ones will call `onUpdate` callback + if (!this.state.isCreated) { + this.state.isCreated = true; + this.options.onCreate(data); + } else { + this.options.onUpdate(data); + } +} + +/** + * Helper used to know if the given modifier is enabled. + * @method + * @memberof Popper.Utils + * @returns {Boolean} + */ +function isModifierEnabled(modifiers, modifierName) { + return modifiers.some(function (_ref) { + var name = _ref.name, + enabled = _ref.enabled; + return enabled && name === modifierName; + }); +} + +/** + * Get the prefixed supported property name + * @method + * @memberof Popper.Utils + * @argument {String} property (camelCase) + * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix) + */ +function getSupportedPropertyName(property) { + var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O']; + var upperProp = property.charAt(0).toUpperCase() + property.slice(1); + + for (var i = 0; i < prefixes.length - 1; i++) { + var prefix = prefixes[i]; + var toCheck = prefix ? '' + prefix + upperProp : property; + if (typeof document.body.style[toCheck] !== 'undefined') { + return toCheck; + } + } + return null; +} + +/** + * Destroy the popper + * @method + * @memberof Popper + */ +function destroy() { + this.state.isDestroyed = true; + + // touch DOM only if `applyStyle` modifier is enabled + if (isModifierEnabled(this.modifiers, 'applyStyle')) { + this.popper.removeAttribute('x-placement'); + this.popper.style.left = ''; + this.popper.style.position = ''; + this.popper.style.top = ''; + this.popper.style[getSupportedPropertyName('transform')] = ''; + } + + this.disableEventListeners(); + + // remove the popper if user explicity asked for the deletion on destroy + // do not use `remove` because IE11 doesn't support it + if (this.options.removeOnDestroy) { + this.popper.parentNode.removeChild(this.popper); + } + return this; +} + +/** + * Get the window associated with the element + * @argument {Element} element + * @returns {Window} + */ +function getWindow(element) { + var ownerDocument = element.ownerDocument; + return ownerDocument ? ownerDocument.defaultView : window; +} + +function attachToScrollParents(scrollParent, event, callback, scrollParents) { + var isBody = scrollParent.nodeName === 'BODY'; + var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent; + target.addEventListener(event, callback, { passive: true }); + + if (!isBody) { + attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents); + } + scrollParents.push(target); +} + +/** + * Setup needed event listeners used to update the popper position + * @method + * @memberof Popper.Utils + * @private + */ +function setupEventListeners(reference, options, state, updateBound) { + // Resize event listener on window + state.updateBound = updateBound; + getWindow(reference).addEventListener('resize', state.updateBound, { passive: true }); + + // Scroll event listener on scroll parents + var scrollElement = getScrollParent(reference); + attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents); + state.scrollElement = scrollElement; + state.eventsEnabled = true; + + return state; +} + +/** + * It will add resize/scroll events and start recalculating + * position of the popper element when they are triggered. + * @method + * @memberof Popper + */ +function enableEventListeners() { + if (!this.state.eventsEnabled) { + this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate); + } +} + +/** + * Remove event listeners used to update the popper position + * @method + * @memberof Popper.Utils + * @private + */ +function removeEventListeners(reference, state) { + // Remove resize event listener on window + getWindow(reference).removeEventListener('resize', state.updateBound); + + // Remove scroll event listener on scroll parents + state.scrollParents.forEach(function (target) { + target.removeEventListener('scroll', state.updateBound); + }); + + // Reset state + state.updateBound = null; + state.scrollParents = []; + state.scrollElement = null; + state.eventsEnabled = false; + return state; +} + +/** + * It will remove resize/scroll events and won't recalculate popper position + * when they are triggered. It also won't trigger onUpdate callback anymore, + * unless you call `update` method manually. + * @method + * @memberof Popper + */ +function disableEventListeners() { + if (this.state.eventsEnabled) { + cancelAnimationFrame(this.scheduleUpdate); + this.state = removeEventListeners(this.reference, this.state); + } +} + +/** + * Tells if a given input is a number + * @method + * @memberof Popper.Utils + * @param {*} input to check + * @return {Boolean} + */ +function isNumeric(n) { + return n !== '' && !isNaN(parseFloat(n)) && isFinite(n); +} + +/** + * Set the style to the given popper + * @method + * @memberof Popper.Utils + * @argument {Element} element - Element to apply the style to + * @argument {Object} styles + * Object with a list of properties and values which will be applied to the element + */ +function setStyles(element, styles) { + Object.keys(styles).forEach(function (prop) { + var unit = ''; + // add unit if the value is numeric and is one of the following + if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) { + unit = 'px'; + } + element.style[prop] = styles[prop] + unit; + }); +} + +/** + * Set the attributes to the given popper + * @method + * @memberof Popper.Utils + * @argument {Element} element - Element to apply the attributes to + * @argument {Object} styles + * Object with a list of properties and values which will be applied to the element + */ +function setAttributes(element, attributes) { + Object.keys(attributes).forEach(function (prop) { + var value = attributes[prop]; + if (value !== false) { + element.setAttribute(prop, attributes[prop]); + } else { + element.removeAttribute(prop); + } + }); +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by `update` method + * @argument {Object} data.styles - List of style properties - values to apply to popper element + * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The same data object + */ +function applyStyle(data) { + // any property present in `data.styles` will be applied to the popper, + // in this way we can make the 3rd party modifiers add custom styles to it + // Be aware, modifiers could override the properties defined in the previous + // lines of this modifier! + setStyles(data.instance.popper, data.styles); + + // any property present in `data.attributes` will be applied to the popper, + // they will be set as HTML attributes of the element + setAttributes(data.instance.popper, data.attributes); + + // if arrowElement is defined and arrowStyles has some properties + if (data.arrowElement && Object.keys(data.arrowStyles).length) { + setStyles(data.arrowElement, data.arrowStyles); + } + + return data; +} + +/** + * Set the x-placement attribute before everything else because it could be used + * to add margins to the popper margins needs to be calculated to get the + * correct popper offsets. + * @method + * @memberof Popper.modifiers + * @param {HTMLElement} reference - The reference element used to position the popper + * @param {HTMLElement} popper - The HTML element used as popper. + * @param {Object} options - Popper.js options + */ +function applyStyleOnLoad(reference, popper, options, modifierOptions, state) { + // compute reference element offsets + var referenceOffsets = getReferenceOffsets(state, popper, reference); + + // compute auto placement, store placement inside the data object, + // modifiers will be able to edit `placement` if needed + // and refer to originalPlacement to know the original value + var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding); + + popper.setAttribute('x-placement', placement); + + // Apply `position` to popper before anything else because + // without the position applied we can't guarantee correct computations + setStyles(popper, { position: 'absolute' }); + + return options; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by `update` method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function computeStyle(data, options) { + var x = options.x, + y = options.y; + var popper = data.offsets.popper; + + // Remove this legacy support in Popper.js v2 + + var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) { + return modifier.name === 'applyStyle'; + }).gpuAcceleration; + if (legacyGpuAccelerationOption !== undefined) { + console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!'); + } + var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration; + + var offsetParent = getOffsetParent(data.instance.popper); + var offsetParentRect = getBoundingClientRect(offsetParent); + + // Styles + var styles = { + position: popper.position + }; + + // floor sides to avoid blurry text + var offsets = { + left: Math.floor(popper.left), + top: Math.floor(popper.top), + bottom: Math.floor(popper.bottom), + right: Math.floor(popper.right) + }; + + var sideA = x === 'bottom' ? 'top' : 'bottom'; + var sideB = y === 'right' ? 'left' : 'right'; + + // if gpuAcceleration is set to `true` and transform is supported, + // we use `translate3d` to apply the position to the popper we + // automatically use the supported prefixed version if needed + var prefixedProperty = getSupportedPropertyName('transform'); + + // now, let's make a step back and look at this code closely (wtf?) + // If the content of the popper grows once it's been positioned, it + // may happen that the popper gets misplaced because of the new content + // overflowing its reference element + // To avoid this problem, we provide two options (x and y), which allow + // the consumer to define the offset origin. + // If we position a popper on top of a reference element, we can set + // `x` to `top` to make the popper grow towards its top instead of + // its bottom. + var left = void 0, + top = void 0; + if (sideA === 'bottom') { + top = -offsetParentRect.height + offsets.bottom; + } else { + top = offsets.top; + } + if (sideB === 'right') { + left = -offsetParentRect.width + offsets.right; + } else { + left = offsets.left; + } + if (gpuAcceleration && prefixedProperty) { + styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)'; + styles[sideA] = 0; + styles[sideB] = 0; + styles.willChange = 'transform'; + } else { + // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties + var invertTop = sideA === 'bottom' ? -1 : 1; + var invertLeft = sideB === 'right' ? -1 : 1; + styles[sideA] = top * invertTop; + styles[sideB] = left * invertLeft; + styles.willChange = sideA + ', ' + sideB; + } + + // Attributes + var attributes = { + 'x-placement': data.placement + }; + + // Update `data` attributes, styles and arrowStyles + data.attributes = _extends$1({}, attributes, data.attributes); + data.styles = _extends$1({}, styles, data.styles); + data.arrowStyles = _extends$1({}, data.offsets.arrow, data.arrowStyles); + + return data; +} + +/** + * Helper used to know if the given modifier depends from another one.
    + * It checks if the needed modifier is listed and enabled. + * @method + * @memberof Popper.Utils + * @param {Array} modifiers - list of modifiers + * @param {String} requestingName - name of requesting modifier + * @param {String} requestedName - name of requested modifier + * @returns {Boolean} + */ +function isModifierRequired(modifiers, requestingName, requestedName) { + var requesting = find(modifiers, function (_ref) { + var name = _ref.name; + return name === requestingName; + }); + + var isRequired = !!requesting && modifiers.some(function (modifier) { + return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order; + }); + + if (!isRequired) { + var _requesting = '`' + requestingName + '`'; + var requested = '`' + requestedName + '`'; + console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!'); + } + return isRequired; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function arrow(data, options) { + var _data$offsets$arrow; + + // arrow depends on keepTogether in order to work + if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) { + return data; + } + + var arrowElement = options.element; + + // if arrowElement is a string, suppose it's a CSS selector + if (typeof arrowElement === 'string') { + arrowElement = data.instance.popper.querySelector(arrowElement); + + // if arrowElement is not found, don't run the modifier + if (!arrowElement) { + return data; + } + } else { + // if the arrowElement isn't a query selector we must check that the + // provided DOM node is child of its popper node + if (!data.instance.popper.contains(arrowElement)) { + console.warn('WARNING: `arrow.element` must be child of its popper element!'); + return data; + } + } + + var placement = data.placement.split('-')[0]; + var _data$offsets = data.offsets, + popper = _data$offsets.popper, + reference = _data$offsets.reference; + + var isVertical = ['left', 'right'].indexOf(placement) !== -1; + + var len = isVertical ? 'height' : 'width'; + var sideCapitalized = isVertical ? 'Top' : 'Left'; + var side = sideCapitalized.toLowerCase(); + var altSide = isVertical ? 'left' : 'top'; + var opSide = isVertical ? 'bottom' : 'right'; + var arrowElementSize = getOuterSizes(arrowElement)[len]; + + // + // extends keepTogether behavior making sure the popper and its + // reference have enough pixels in conjuction + // + + // top/left side + if (reference[opSide] - arrowElementSize < popper[side]) { + data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize); + } + // bottom/right side + if (reference[side] + arrowElementSize > popper[opSide]) { + data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide]; + } + data.offsets.popper = getClientRect(data.offsets.popper); + + // compute center of the popper + var center = reference[side] + reference[len] / 2 - arrowElementSize / 2; + + // Compute the sideValue using the updated popper offsets + // take popper margin in account because we don't have this info available + var css = getStyleComputedProperty(data.instance.popper); + var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10); + var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10); + var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide; + + // prevent arrowElement from being placed not contiguously to its popper + sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0); + + data.arrowElement = arrowElement; + data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow); + + return data; +} + +/** + * Get the opposite placement variation of the given one + * @method + * @memberof Popper.Utils + * @argument {String} placement variation + * @returns {String} flipped placement variation + */ +function getOppositeVariation(variation) { + if (variation === 'end') { + return 'start'; + } else if (variation === 'start') { + return 'end'; + } + return variation; +} + +/** + * List of accepted placements to use as values of the `placement` option.
    + * Valid placements are: + * - `auto` + * - `top` + * - `right` + * - `bottom` + * - `left` + * + * Each placement can have a variation from this list: + * - `-start` + * - `-end` + * + * Variations are interpreted easily if you think of them as the left to right + * written languages. Horizontally (`top` and `bottom`), `start` is left and `end` + * is right.
    + * Vertically (`left` and `right`), `start` is top and `end` is bottom. + * + * Some valid examples are: + * - `top-end` (on top of reference, right aligned) + * - `right-start` (on right of reference, top aligned) + * - `bottom` (on bottom, centered) + * - `auto-right` (on the side with more space available, alignment depends by placement) + * + * @static + * @type {Array} + * @enum {String} + * @readonly + * @method placements + * @memberof Popper + */ +var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start']; + +// Get rid of `auto` `auto-start` and `auto-end` +var validPlacements = placements.slice(3); + +/** + * Given an initial placement, returns all the subsequent placements + * clockwise (or counter-clockwise). + * + * @method + * @memberof Popper.Utils + * @argument {String} placement - A valid placement (it accepts variations) + * @argument {Boolean} counter - Set to true to walk the placements counterclockwise + * @returns {Array} placements including their variations + */ +function clockwise(placement) { + var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + + var index = validPlacements.indexOf(placement); + var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index)); + return counter ? arr.reverse() : arr; +} + +var BEHAVIORS = { + FLIP: 'flip', + CLOCKWISE: 'clockwise', + COUNTERCLOCKWISE: 'counterclockwise' +}; + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function flip(data, options) { + // if `inner` modifier is enabled, we can't use the `flip` modifier + if (isModifierEnabled(data.instance.modifiers, 'inner')) { + return data; + } + + if (data.flipped && data.placement === data.originalPlacement) { + // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides + return data; + } + + var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement); + + var placement = data.placement.split('-')[0]; + var placementOpposite = getOppositePlacement(placement); + var variation = data.placement.split('-')[1] || ''; + + var flipOrder = []; + + switch (options.behavior) { + case BEHAVIORS.FLIP: + flipOrder = [placement, placementOpposite]; + break; + case BEHAVIORS.CLOCKWISE: + flipOrder = clockwise(placement); + break; + case BEHAVIORS.COUNTERCLOCKWISE: + flipOrder = clockwise(placement, true); + break; + default: + flipOrder = options.behavior; + } + + flipOrder.forEach(function (step, index) { + if (placement !== step || flipOrder.length === index + 1) { + return data; + } + + placement = data.placement.split('-')[0]; + placementOpposite = getOppositePlacement(placement); + + var popperOffsets = data.offsets.popper; + var refOffsets = data.offsets.reference; + + // using floor because the reference offsets may contain decimals we are not going to consider here + var floor = Math.floor; + var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom); + + var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left); + var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right); + var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top); + var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom); + + var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom; + + // flip the variation if required + var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; + var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom); + + if (overlapsRef || overflowsBoundaries || flippedVariation) { + // this boolean to detect any flip loop + data.flipped = true; + + if (overlapsRef || overflowsBoundaries) { + placement = flipOrder[index + 1]; + } + + if (flippedVariation) { + variation = getOppositeVariation(variation); + } + + data.placement = placement + (variation ? '-' + variation : ''); + + // this object contains `position`, we want to preserve it along with + // any additional property we may add in the future + data.offsets.popper = _extends$1({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement)); + + data = runModifiers(data.instance.modifiers, data, 'flip'); + } + }); + return data; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function keepTogether(data) { + var _data$offsets = data.offsets, + popper = _data$offsets.popper, + reference = _data$offsets.reference; + + var placement = data.placement.split('-')[0]; + var floor = Math.floor; + var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; + var side = isVertical ? 'right' : 'bottom'; + var opSide = isVertical ? 'left' : 'top'; + var measurement = isVertical ? 'width' : 'height'; + + if (popper[side] < floor(reference[opSide])) { + data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement]; + } + if (popper[opSide] > floor(reference[side])) { + data.offsets.popper[opSide] = floor(reference[side]); + } + + return data; +} + +/** + * Converts a string containing value + unit into a px value number + * @function + * @memberof {modifiers~offset} + * @private + * @argument {String} str - Value + unit string + * @argument {String} measurement - `height` or `width` + * @argument {Object} popperOffsets + * @argument {Object} referenceOffsets + * @returns {Number|String} + * Value in pixels, or original string if no values were extracted + */ +function toValue(str, measurement, popperOffsets, referenceOffsets) { + // separate value from unit + var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/); + var value = +split[1]; + var unit = split[2]; + + // If it's not a number it's an operator, I guess + if (!value) { + return str; + } + + if (unit.indexOf('%') === 0) { + var element = void 0; + switch (unit) { + case '%p': + element = popperOffsets; + break; + case '%': + case '%r': + default: + element = referenceOffsets; + } + + var rect = getClientRect(element); + return rect[measurement] / 100 * value; + } else if (unit === 'vh' || unit === 'vw') { + // if is a vh or vw, we calculate the size based on the viewport + var size = void 0; + if (unit === 'vh') { + size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0); + } else { + size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0); + } + return size / 100 * value; + } else { + // if is an explicit pixel unit, we get rid of the unit and keep the value + // if is an implicit unit, it's px, and we return just the value + return value; + } +} + +/** + * Parse an `offset` string to extrapolate `x` and `y` numeric offsets. + * @function + * @memberof {modifiers~offset} + * @private + * @argument {String} offset + * @argument {Object} popperOffsets + * @argument {Object} referenceOffsets + * @argument {String} basePlacement + * @returns {Array} a two cells array with x and y offsets in numbers + */ +function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) { + var offsets = [0, 0]; + + // Use height if placement is left or right and index is 0 otherwise use width + // in this way the first offset will use an axis and the second one + // will use the other one + var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1; + + // Split the offset string to obtain a list of values and operands + // The regex addresses values with the plus or minus sign in front (+10, -20, etc) + var fragments = offset.split(/(\+|\-)/).map(function (frag) { + return frag.trim(); + }); + + // Detect if the offset string contains a pair of values or a single one + // they could be separated by comma or space + var divider = fragments.indexOf(find(fragments, function (frag) { + return frag.search(/,|\s/) !== -1; + })); + + if (fragments[divider] && fragments[divider].indexOf(',') === -1) { + console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.'); + } + + // If divider is found, we divide the list of values and operands to divide + // them by ofset X and Y. + var splitRegex = /\s*,\s*|\s+/; + var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments]; + + // Convert the values with units to absolute pixels to allow our computations + ops = ops.map(function (op, index) { + // Most of the units rely on the orientation of the popper + var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width'; + var mergeWithPrevious = false; + return op + // This aggregates any `+` or `-` sign that aren't considered operators + // e.g.: 10 + +5 => [10, +, +5] + .reduce(function (a, b) { + if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) { + a[a.length - 1] = b; + mergeWithPrevious = true; + return a; + } else if (mergeWithPrevious) { + a[a.length - 1] += b; + mergeWithPrevious = false; + return a; + } else { + return a.concat(b); + } + }, []) + // Here we convert the string values into number values (in px) + .map(function (str) { + return toValue(str, measurement, popperOffsets, referenceOffsets); + }); + }); + + // Loop trough the offsets arrays and execute the operations + ops.forEach(function (op, index) { + op.forEach(function (frag, index2) { + if (isNumeric(frag)) { + offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1); + } + }); + }); + return offsets; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @argument {Number|String} options.offset=0 + * The offset value as described in the modifier description + * @returns {Object} The data object, properly modified + */ +function offset(data, _ref) { + var offset = _ref.offset; + var placement = data.placement, + _data$offsets = data.offsets, + popper = _data$offsets.popper, + reference = _data$offsets.reference; + + var basePlacement = placement.split('-')[0]; + + var offsets = void 0; + if (isNumeric(+offset)) { + offsets = [+offset, 0]; + } else { + offsets = parseOffset(offset, popper, reference, basePlacement); + } + + if (basePlacement === 'left') { + popper.top += offsets[0]; + popper.left -= offsets[1]; + } else if (basePlacement === 'right') { + popper.top += offsets[0]; + popper.left += offsets[1]; + } else if (basePlacement === 'top') { + popper.left += offsets[0]; + popper.top -= offsets[1]; + } else if (basePlacement === 'bottom') { + popper.left += offsets[0]; + popper.top += offsets[1]; + } + + data.popper = popper; + return data; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by `update` method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function preventOverflow(data, options) { + var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper); + + // If offsetParent is the reference element, we really want to + // go one step up and use the next offsetParent as reference to + // avoid to make this modifier completely useless and look like broken + if (data.instance.reference === boundariesElement) { + boundariesElement = getOffsetParent(boundariesElement); + } + + var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement); + options.boundaries = boundaries; + + var order = options.priority; + var popper = data.offsets.popper; + + var check = { + primary: function primary(placement) { + var value = popper[placement]; + if (popper[placement] < boundaries[placement] && !options.escapeWithReference) { + value = Math.max(popper[placement], boundaries[placement]); + } + return defineProperty({}, placement, value); + }, + secondary: function secondary(placement) { + var mainSide = placement === 'right' ? 'left' : 'top'; + var value = popper[mainSide]; + if (popper[placement] > boundaries[placement] && !options.escapeWithReference) { + value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height)); + } + return defineProperty({}, mainSide, value); + } + }; + + order.forEach(function (placement) { + var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary'; + popper = _extends$1({}, popper, check[side](placement)); + }); + + data.offsets.popper = popper; + + return data; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by `update` method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function shift(data) { + var placement = data.placement; + var basePlacement = placement.split('-')[0]; + var shiftvariation = placement.split('-')[1]; + + // if shift shiftvariation is specified, run the modifier + if (shiftvariation) { + var _data$offsets = data.offsets, + reference = _data$offsets.reference, + popper = _data$offsets.popper; + + var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1; + var side = isVertical ? 'left' : 'top'; + var measurement = isVertical ? 'width' : 'height'; + + var shiftOffsets = { + start: defineProperty({}, side, reference[side]), + end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement]) + }; + + data.offsets.popper = _extends$1({}, popper, shiftOffsets[shiftvariation]); + } + + return data; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function hide(data) { + if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) { + return data; + } + + var refRect = data.offsets.reference; + var bound = find(data.instance.modifiers, function (modifier) { + return modifier.name === 'preventOverflow'; + }).boundaries; + + if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) { + // Avoid unnecessary DOM access if visibility hasn't changed + if (data.hide === true) { + return data; + } + + data.hide = true; + data.attributes['x-out-of-boundaries'] = ''; + } else { + // Avoid unnecessary DOM access if visibility hasn't changed + if (data.hide === false) { + return data; + } + + data.hide = false; + data.attributes['x-out-of-boundaries'] = false; + } + + return data; +} + +/** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by `update` method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ +function inner(data) { + var placement = data.placement; + var basePlacement = placement.split('-')[0]; + var _data$offsets = data.offsets, + popper = _data$offsets.popper, + reference = _data$offsets.reference; + + var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1; + + var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1; + + popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0); + + data.placement = getOppositePlacement(placement); + data.offsets.popper = getClientRect(popper); + + return data; +} + +/** + * Modifier function, each modifier can have a function of this type assigned + * to its `fn` property.
    + * These functions will be called on each update, this means that you must + * make sure they are performant enough to avoid performance bottlenecks. + * + * @function ModifierFn + * @argument {dataObject} data - The data object generated by `update` method + * @argument {Object} options - Modifiers configuration and options + * @returns {dataObject} The data object, properly modified + */ + +/** + * Modifiers are plugins used to alter the behavior of your poppers.
    + * Popper.js uses a set of 9 modifiers to provide all the basic functionalities + * needed by the library. + * + * Usually you don't want to override the `order`, `fn` and `onLoad` props. + * All the other properties are configurations that could be tweaked. + * @namespace modifiers + */ +var modifiers = { + /** + * Modifier used to shift the popper on the start or end of its reference + * element.
    + * It will read the variation of the `placement` property.
    + * It can be one either `-end` or `-start`. + * @memberof modifiers + * @inner + */ + shift: { + /** @prop {number} order=100 - Index used to define the order of execution */ + order: 100, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: shift + }, + + /** + * The `offset` modifier can shift your popper on both its axis. + * + * It accepts the following units: + * - `px` or unitless, interpreted as pixels + * - `%` or `%r`, percentage relative to the length of the reference element + * - `%p`, percentage relative to the length of the popper element + * - `vw`, CSS viewport width unit + * - `vh`, CSS viewport height unit + * + * For length is intended the main axis relative to the placement of the popper.
    + * This means that if the placement is `top` or `bottom`, the length will be the + * `width`. In case of `left` or `right`, it will be the height. + * + * You can provide a single value (as `Number` or `String`), or a pair of values + * as `String` divided by a comma or one (or more) white spaces.
    + * The latter is a deprecated method because it leads to confusion and will be + * removed in v2.
    + * Additionally, it accepts additions and subtractions between different units. + * Note that multiplications and divisions aren't supported. + * + * Valid examples are: + * ``` + * 10 + * '10%' + * '10, 10' + * '10%, 10' + * '10 + 10%' + * '10 - 5vh + 3%' + * '-10px + 5vh, 5px - 6%' + * ``` + * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap + * > with their reference element, unfortunately, you will have to disable the `flip` modifier. + * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373) + * + * @memberof modifiers + * @inner + */ + offset: { + /** @prop {number} order=200 - Index used to define the order of execution */ + order: 200, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: offset, + /** @prop {Number|String} offset=0 + * The offset value as described in the modifier description + */ + offset: 0 + }, + + /** + * Modifier used to prevent the popper from being positioned outside the boundary. + * + * An scenario exists where the reference itself is not within the boundaries.
    + * We can say it has "escaped the boundaries" — or just "escaped".
    + * In this case we need to decide whether the popper should either: + * + * - detach from the reference and remain "trapped" in the boundaries, or + * - if it should ignore the boundary and "escape with its reference" + * + * When `escapeWithReference` is set to`true` and reference is completely + * outside its boundaries, the popper will overflow (or completely leave) + * the boundaries in order to remain attached to the edge of the reference. + * + * @memberof modifiers + * @inner + */ + preventOverflow: { + /** @prop {number} order=300 - Index used to define the order of execution */ + order: 300, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: preventOverflow, + /** + * @prop {Array} [priority=['left','right','top','bottom']] + * Popper will try to prevent overflow following these priorities by default, + * then, it could overflow on the left and on top of the `boundariesElement` + */ + priority: ['left', 'right', 'top', 'bottom'], + /** + * @prop {number} padding=5 + * Amount of pixel used to define a minimum distance between the boundaries + * and the popper this makes sure the popper has always a little padding + * between the edges of its container + */ + padding: 5, + /** + * @prop {String|HTMLElement} boundariesElement='scrollParent' + * Boundaries used by the modifier, can be `scrollParent`, `window`, + * `viewport` or any DOM element. + */ + boundariesElement: 'scrollParent' + }, + + /** + * Modifier used to make sure the reference and its popper stay near eachothers + * without leaving any gap between the two. Expecially useful when the arrow is + * enabled and you want to assure it to point to its reference element. + * It cares only about the first axis, you can still have poppers with margin + * between the popper and its reference element. + * @memberof modifiers + * @inner + */ + keepTogether: { + /** @prop {number} order=400 - Index used to define the order of execution */ + order: 400, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: keepTogether + }, + + /** + * This modifier is used to move the `arrowElement` of the popper to make + * sure it is positioned between the reference element and its popper element. + * It will read the outer size of the `arrowElement` node to detect how many + * pixels of conjuction are needed. + * + * It has no effect if no `arrowElement` is provided. + * @memberof modifiers + * @inner + */ + arrow: { + /** @prop {number} order=500 - Index used to define the order of execution */ + order: 500, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: arrow, + /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */ + element: '[x-arrow]' + }, + + /** + * Modifier used to flip the popper's placement when it starts to overlap its + * reference element. + * + * Requires the `preventOverflow` modifier before it in order to work. + * + * **NOTE:** this modifier will interrupt the current update cycle and will + * restart it if it detects the need to flip the placement. + * @memberof modifiers + * @inner + */ + flip: { + /** @prop {number} order=600 - Index used to define the order of execution */ + order: 600, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: flip, + /** + * @prop {String|Array} behavior='flip' + * The behavior used to change the popper's placement. It can be one of + * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid + * placements (with optional variations). + */ + behavior: 'flip', + /** + * @prop {number} padding=5 + * The popper will flip if it hits the edges of the `boundariesElement` + */ + padding: 5, + /** + * @prop {String|HTMLElement} boundariesElement='viewport' + * The element which will define the boundaries of the popper position, + * the popper will never be placed outside of the defined boundaries + * (except if keepTogether is enabled) + */ + boundariesElement: 'viewport' + }, + + /** + * Modifier used to make the popper flow toward the inner of the reference element. + * By default, when this modifier is disabled, the popper will be placed outside + * the reference element. + * @memberof modifiers + * @inner + */ + inner: { + /** @prop {number} order=700 - Index used to define the order of execution */ + order: 700, + /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */ + enabled: false, + /** @prop {ModifierFn} */ + fn: inner + }, + + /** + * Modifier used to hide the popper when its reference element is outside of the + * popper boundaries. It will set a `x-out-of-boundaries` attribute which can + * be used to hide with a CSS selector the popper when its reference is + * out of boundaries. + * + * Requires the `preventOverflow` modifier before it in order to work. + * @memberof modifiers + * @inner + */ + hide: { + /** @prop {number} order=800 - Index used to define the order of execution */ + order: 800, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: hide + }, + + /** + * Computes the style that will be applied to the popper element to gets + * properly positioned. + * + * Note that this modifier will not touch the DOM, it just prepares the styles + * so that `applyStyle` modifier can apply it. This separation is useful + * in case you need to replace `applyStyle` with a custom implementation. + * + * This modifier has `850` as `order` value to maintain backward compatibility + * with previous versions of Popper.js. Expect the modifiers ordering method + * to change in future major versions of the library. + * + * @memberof modifiers + * @inner + */ + computeStyle: { + /** @prop {number} order=850 - Index used to define the order of execution */ + order: 850, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: computeStyle, + /** + * @prop {Boolean} gpuAcceleration=true + * If true, it uses the CSS 3d transformation to position the popper. + * Otherwise, it will use the `top` and `left` properties. + */ + gpuAcceleration: true, + /** + * @prop {string} [x='bottom'] + * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin. + * Change this if your popper should grow in a direction different from `bottom` + */ + x: 'bottom', + /** + * @prop {string} [x='left'] + * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin. + * Change this if your popper should grow in a direction different from `right` + */ + y: 'right' + }, + + /** + * Applies the computed styles to the popper element. + * + * All the DOM manipulations are limited to this modifier. This is useful in case + * you want to integrate Popper.js inside a framework or view library and you + * want to delegate all the DOM manipulations to it. + * + * Note that if you disable this modifier, you must make sure the popper element + * has its position set to `absolute` before Popper.js can do its work! + * + * Just disable this modifier and define you own to achieve the desired effect. + * + * @memberof modifiers + * @inner + */ + applyStyle: { + /** @prop {number} order=900 - Index used to define the order of execution */ + order: 900, + /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ + enabled: true, + /** @prop {ModifierFn} */ + fn: applyStyle, + /** @prop {Function} */ + onLoad: applyStyleOnLoad, + /** + * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier + * @prop {Boolean} gpuAcceleration=true + * If true, it uses the CSS 3d transformation to position the popper. + * Otherwise, it will use the `top` and `left` properties. + */ + gpuAcceleration: undefined + } +}; + +/** + * The `dataObject` is an object containing all the informations used by Popper.js + * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks. + * @name dataObject + * @property {Object} data.instance The Popper.js instance + * @property {String} data.placement Placement applied to popper + * @property {String} data.originalPlacement Placement originally defined on init + * @property {Boolean} data.flipped True if popper has been flipped by flip modifier + * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper. + * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier + * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`) + * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`) + * @property {Object} data.boundaries Offsets of the popper boundaries + * @property {Object} data.offsets The measurements of popper, reference and arrow elements. + * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values + * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values + * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0 + */ + +/** + * Default options provided to Popper.js constructor.
    + * These can be overriden using the `options` argument of Popper.js.
    + * To override an option, simply pass as 3rd argument an object with the same + * structure of this object, example: + * ``` + * new Popper(ref, pop, { + * modifiers: { + * preventOverflow: { enabled: false } + * } + * }) + * ``` + * @type {Object} + * @static + * @memberof Popper + */ +var Defaults = { + /** + * Popper's placement + * @prop {Popper.placements} placement='bottom' + */ + placement: 'bottom', + + /** + * Whether events (resize, scroll) are initially enabled + * @prop {Boolean} eventsEnabled=true + */ + eventsEnabled: true, + + /** + * Set to true if you want to automatically remove the popper when + * you call the `destroy` method. + * @prop {Boolean} removeOnDestroy=false + */ + removeOnDestroy: false, + + /** + * Callback called when the popper is created.
    + * By default, is set to no-op.
    + * Access Popper.js instance with `data.instance`. + * @prop {onCreate} + */ + onCreate: function onCreate() {}, + + /** + * Callback called when the popper is updated, this callback is not called + * on the initialization/creation of the popper, but only on subsequent + * updates.
    + * By default, is set to no-op.
    + * Access Popper.js instance with `data.instance`. + * @prop {onUpdate} + */ + onUpdate: function onUpdate() {}, + + /** + * List of modifiers used to modify the offsets before they are applied to the popper. + * They provide most of the functionalities of Popper.js + * @prop {modifiers} + */ + modifiers: modifiers +}; + +/** + * @callback onCreate + * @param {dataObject} data + */ + +/** + * @callback onUpdate + * @param {dataObject} data + */ + +// Utils +// Methods +var Popper = function () { + /** + * Create a new Popper.js instance + * @class Popper + * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper + * @param {HTMLElement} popper - The HTML element used as popper. + * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults) + * @return {Object} instance - The generated Popper.js instance + */ + function Popper(reference, popper) { + var _this = this; + + var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + classCallCheck(this, Popper); + + this.scheduleUpdate = function () { + return requestAnimationFrame(_this.update); + }; + + // make update() debounced, so that it only runs at most once-per-tick + this.update = debounce(this.update.bind(this)); + + // with {} we create a new object with the options inside it + this.options = _extends$1({}, Popper.Defaults, options); + + // init state + this.state = { + isDestroyed: false, + isCreated: false, + scrollParents: [] + }; + + // get reference and popper elements (allow jQuery wrappers) + this.reference = reference && reference.jquery ? reference[0] : reference; + this.popper = popper && popper.jquery ? popper[0] : popper; + + // Deep merge modifiers options + this.options.modifiers = {}; + Object.keys(_extends$1({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) { + _this.options.modifiers[name] = _extends$1({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {}); + }); + + // Refactoring modifiers' list (Object => Array) + this.modifiers = Object.keys(this.options.modifiers).map(function (name) { + return _extends$1({ + name: name + }, _this.options.modifiers[name]); + }) + // sort the modifiers by order + .sort(function (a, b) { + return a.order - b.order; + }); + + // modifiers have the ability to execute arbitrary code when Popper.js get inited + // such code is executed in the same order of its modifier + // they could add new properties to their options configuration + // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`! + this.modifiers.forEach(function (modifierOptions) { + if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) { + modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state); + } + }); + + // fire the first update to position the popper in the right place + this.update(); + + var eventsEnabled = this.options.eventsEnabled; + if (eventsEnabled) { + // setup event listeners, they will take care of update the position in specific situations + this.enableEventListeners(); + } + + this.state.eventsEnabled = eventsEnabled; + } + + // We can't use class properties because they don't get listed in the + // class prototype and break stuff like Sinon stubs + + + createClass(Popper, [{ + key: 'update', + value: function update$$1() { + return update.call(this); + } + }, { + key: 'destroy', + value: function destroy$$1() { + return destroy.call(this); + } + }, { + key: 'enableEventListeners', + value: function enableEventListeners$$1() { + return enableEventListeners.call(this); + } + }, { + key: 'disableEventListeners', + value: function disableEventListeners$$1() { + return disableEventListeners.call(this); + } + + /** + * Schedule an update, it will run on the next UI update available + * @method scheduleUpdate + * @memberof Popper + */ + + + /** + * Collection of utilities useful when writing custom modifiers. + * Starting from version 1.7, this method is available only if you + * include `popper-utils.js` before `popper.js`. + * + * **DEPRECATION**: This way to access PopperUtils is deprecated + * and will be removed in v2! Use the PopperUtils module directly instead. + * Due to the high instability of the methods contained in Utils, we can't + * guarantee them to follow semver. Use them at your own risk! + * @static + * @private + * @type {Object} + * @deprecated since version 1.8 + * @member Utils + * @memberof Popper + */ + + }]); + return Popper; +}(); + +/** + * The `referenceObject` is an object that provides an interface compatible with Popper.js + * and lets you use it as replacement of a real DOM node.
    + * You can use this method to position a popper relatively to a set of coordinates + * in case you don't have a DOM node to use as reference. + * + * ``` + * new Popper(referenceObject, popperNode); + * ``` + * + * NB: This feature isn't supported in Internet Explorer 10 + * @name referenceObject + * @property {Function} data.getBoundingClientRect + * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method. + * @property {number} data.clientWidth + * An ES6 getter that will return the width of the virtual reference element. + * @property {number} data.clientHeight + * An ES6 getter that will return the height of the virtual reference element. + */ + + +Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils; +Popper.placements = placements; +Popper.Defaults = Defaults; + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): dropdown.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Dropdown = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'dropdown'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.dropdown'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key + + var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key + + var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key + + var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key + + var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key + + var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse) + + var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE); + var Event = { + HIDE: "hide" + EVENT_KEY, + HIDDEN: "hidden" + EVENT_KEY, + SHOW: "show" + EVENT_KEY, + SHOWN: "shown" + EVENT_KEY, + CLICK: "click" + EVENT_KEY, + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY, + KEYDOWN_DATA_API: "keydown" + EVENT_KEY + DATA_API_KEY, + KEYUP_DATA_API: "keyup" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + DISABLED: 'disabled', + SHOW: 'show', + DROPUP: 'dropup', + DROPRIGHT: 'dropright', + DROPLEFT: 'dropleft', + MENURIGHT: 'dropdown-menu-right', + MENULEFT: 'dropdown-menu-left', + POSITION_STATIC: 'position-static' + }; + var Selector = { + DATA_TOGGLE: '[data-toggle="dropdown"]', + FORM_CHILD: '.dropdown form', + MENU: '.dropdown-menu', + NAVBAR_NAV: '.navbar-nav', + VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)' + }; + var AttachmentMap = { + TOP: 'top-start', + TOPEND: 'top-end', + BOTTOM: 'bottom-start', + BOTTOMEND: 'bottom-end', + RIGHT: 'right-start', + RIGHTEND: 'right-end', + LEFT: 'left-start', + LEFTEND: 'left-end' + }; + var Default = { + offset: 0, + flip: true, + boundary: 'scrollParent' + }; + var DefaultType = { + offset: '(number|string|function)', + flip: 'boolean', + boundary: '(string|element)' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Dropdown = + /*#__PURE__*/ + function () { + function Dropdown(element, config) { + this._element = element; + this._popper = null; + this._config = this._getConfig(config); + this._menu = this._getMenuElement(); + this._inNavbar = this._detectNavbar(); + + this._addEventListeners(); + } // Getters + + + var _proto = Dropdown.prototype; + + // Public + _proto.toggle = function toggle() { + if (this._element.disabled || $$$1(this._element).hasClass(ClassName.DISABLED)) { + return; + } + + var parent = Dropdown._getParentFromElement(this._element); + + var isActive = $$$1(this._menu).hasClass(ClassName.SHOW); + + Dropdown._clearMenus(); + + if (isActive) { + return; + } + + var relatedTarget = { + relatedTarget: this._element + }; + var showEvent = $$$1.Event(Event.SHOW, relatedTarget); + $$$1(parent).trigger(showEvent); + + if (showEvent.isDefaultPrevented()) { + return; + } // Disable totally Popper.js for Dropdown in Navbar + + + if (!this._inNavbar) { + /** + * Check for Popper dependency + * Popper - https://popper.js.org + */ + if (typeof Popper === 'undefined') { + throw new TypeError('Bootstrap dropdown require Popper.js (https://popper.js.org)'); + } + + var element = this._element; // For dropup with alignment we use the parent as popper container + + if ($$$1(parent).hasClass(ClassName.DROPUP)) { + if ($$$1(this._menu).hasClass(ClassName.MENULEFT) || $$$1(this._menu).hasClass(ClassName.MENURIGHT)) { + element = parent; + } + } // If boundary is not `scrollParent`, then set position to `static` + // to allow the menu to "escape" the scroll parent's boundaries + // https://github.com/twbs/bootstrap/issues/24251 + + + if (this._config.boundary !== 'scrollParent') { + $$$1(parent).addClass(ClassName.POSITION_STATIC); + } + + this._popper = new Popper(element, this._menu, this._getPopperConfig()); + } // If this is a touch-enabled device we add extra + // empty mouseover listeners to the body's immediate children; + // only needed because of broken event delegation on iOS + // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html + + + if ('ontouchstart' in document.documentElement && $$$1(parent).closest(Selector.NAVBAR_NAV).length === 0) { + $$$1('body').children().on('mouseover', null, $$$1.noop); + } + + this._element.focus(); + + this._element.setAttribute('aria-expanded', true); + + $$$1(this._menu).toggleClass(ClassName.SHOW); + $$$1(parent).toggleClass(ClassName.SHOW).trigger($$$1.Event(Event.SHOWN, relatedTarget)); + }; + + _proto.dispose = function dispose() { + $$$1.removeData(this._element, DATA_KEY); + $$$1(this._element).off(EVENT_KEY); + this._element = null; + this._menu = null; + + if (this._popper !== null) { + this._popper.destroy(); + + this._popper = null; + } + }; + + _proto.update = function update() { + this._inNavbar = this._detectNavbar(); + + if (this._popper !== null) { + this._popper.scheduleUpdate(); + } + }; // Private + + + _proto._addEventListeners = function _addEventListeners() { + var _this = this; + + $$$1(this._element).on(Event.CLICK, function (event) { + event.preventDefault(); + event.stopPropagation(); + + _this.toggle(); + }); + }; + + _proto._getConfig = function _getConfig(config) { + config = _extends({}, this.constructor.Default, $$$1(this._element).data(), config); + Util.typeCheckConfig(NAME, config, this.constructor.DefaultType); + return config; + }; + + _proto._getMenuElement = function _getMenuElement() { + if (!this._menu) { + var parent = Dropdown._getParentFromElement(this._element); + + this._menu = $$$1(parent).find(Selector.MENU)[0]; + } + + return this._menu; + }; + + _proto._getPlacement = function _getPlacement() { + var $parentDropdown = $$$1(this._element).parent(); + var placement = AttachmentMap.BOTTOM; // Handle dropup + + if ($parentDropdown.hasClass(ClassName.DROPUP)) { + placement = AttachmentMap.TOP; + + if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) { + placement = AttachmentMap.TOPEND; + } + } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) { + placement = AttachmentMap.RIGHT; + } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) { + placement = AttachmentMap.LEFT; + } else if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) { + placement = AttachmentMap.BOTTOMEND; + } + + return placement; + }; + + _proto._detectNavbar = function _detectNavbar() { + return $$$1(this._element).closest('.navbar').length > 0; + }; + + _proto._getPopperConfig = function _getPopperConfig() { + var _this2 = this; + + var offsetConf = {}; + + if (typeof this._config.offset === 'function') { + offsetConf.fn = function (data) { + data.offsets = _extends({}, data.offsets, _this2._config.offset(data.offsets) || {}); + return data; + }; + } else { + offsetConf.offset = this._config.offset; + } + + var popperConfig = { + placement: this._getPlacement(), + modifiers: { + offset: offsetConf, + flip: { + enabled: this._config.flip + }, + preventOverflow: { + boundariesElement: this._config.boundary + } + } + }; + return popperConfig; + }; // Static + + + Dropdown._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $$$1(this).data(DATA_KEY); + + var _config = typeof config === 'object' ? config : null; + + if (!data) { + data = new Dropdown(this, _config); + $$$1(this).data(DATA_KEY, data); + } + + if (typeof config === 'string') { + if (typeof data[config] === 'undefined') { + throw new TypeError("No method named \"" + config + "\""); + } + + data[config](); + } + }); + }; + + Dropdown._clearMenus = function _clearMenus(event) { + if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) { + return; + } + + var toggles = $$$1.makeArray($$$1(Selector.DATA_TOGGLE)); + + for (var i = 0; i < toggles.length; i++) { + var parent = Dropdown._getParentFromElement(toggles[i]); + + var context = $$$1(toggles[i]).data(DATA_KEY); + var relatedTarget = { + relatedTarget: toggles[i] + }; + + if (!context) { + continue; + } + + var dropdownMenu = context._menu; + + if (!$$$1(parent).hasClass(ClassName.SHOW)) { + continue; + } + + if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $$$1.contains(parent, event.target)) { + continue; + } + + var hideEvent = $$$1.Event(Event.HIDE, relatedTarget); + $$$1(parent).trigger(hideEvent); + + if (hideEvent.isDefaultPrevented()) { + continue; + } // If this is a touch-enabled device we remove the extra + // empty mouseover listeners we added for iOS support + + + if ('ontouchstart' in document.documentElement) { + $$$1('body').children().off('mouseover', null, $$$1.noop); + } + + toggles[i].setAttribute('aria-expanded', 'false'); + $$$1(dropdownMenu).removeClass(ClassName.SHOW); + $$$1(parent).removeClass(ClassName.SHOW).trigger($$$1.Event(Event.HIDDEN, relatedTarget)); + } + }; + + Dropdown._getParentFromElement = function _getParentFromElement(element) { + var parent; + var selector = Util.getSelectorFromElement(element); + + if (selector) { + parent = $$$1(selector)[0]; + } + + return parent || element.parentNode; + }; // eslint-disable-next-line complexity + + + Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) { + // If not input/textarea: + // - And not a key in REGEXP_KEYDOWN => not a dropdown command + // If input/textarea: + // - If space key => not a dropdown command + // - If key is other than escape + // - If key is not up or down => not a dropdown command + // - If trigger inside the menu => not a dropdown command + if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $$$1(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) { + return; + } + + event.preventDefault(); + event.stopPropagation(); + + if (this.disabled || $$$1(this).hasClass(ClassName.DISABLED)) { + return; + } + + var parent = Dropdown._getParentFromElement(this); + + var isActive = $$$1(parent).hasClass(ClassName.SHOW); + + if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) { + if (event.which === ESCAPE_KEYCODE) { + var toggle = $$$1(parent).find(Selector.DATA_TOGGLE)[0]; + $$$1(toggle).trigger('focus'); + } + + $$$1(this).trigger('click'); + return; + } + + var items = $$$1(parent).find(Selector.VISIBLE_ITEMS).get(); + + if (items.length === 0) { + return; + } + + var index = items.indexOf(event.target); + + if (event.which === ARROW_UP_KEYCODE && index > 0) { + // Up + index--; + } + + if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { + // Down + index++; + } + + if (index < 0) { + index = 0; + } + + items[index].focus(); + }; + + _createClass(Dropdown, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }, { + key: "DefaultType", + get: function get() { + return DefaultType; + } + }]); + return Dropdown; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $$$1(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + " " + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { + event.preventDefault(); + event.stopPropagation(); + + Dropdown._jQueryInterface.call($$$1(this), 'toggle'); + }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) { + e.stopPropagation(); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $$$1.fn[NAME] = Dropdown._jQueryInterface; + $$$1.fn[NAME].Constructor = Dropdown; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Dropdown._jQueryInterface; + }; + + return Dropdown; +}($, Popper); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): modal.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Modal = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'modal'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.modal'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var TRANSITION_DURATION = 300; + var BACKDROP_TRANSITION_DURATION = 150; + var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key + + var Default = { + backdrop: true, + keyboard: true, + focus: true, + show: true + }; + var DefaultType = { + backdrop: '(boolean|string)', + keyboard: 'boolean', + focus: 'boolean', + show: 'boolean' + }; + var Event = { + HIDE: "hide" + EVENT_KEY, + HIDDEN: "hidden" + EVENT_KEY, + SHOW: "show" + EVENT_KEY, + SHOWN: "shown" + EVENT_KEY, + FOCUSIN: "focusin" + EVENT_KEY, + RESIZE: "resize" + EVENT_KEY, + CLICK_DISMISS: "click.dismiss" + EVENT_KEY, + KEYDOWN_DISMISS: "keydown.dismiss" + EVENT_KEY, + MOUSEUP_DISMISS: "mouseup.dismiss" + EVENT_KEY, + MOUSEDOWN_DISMISS: "mousedown.dismiss" + EVENT_KEY, + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + SCROLLBAR_MEASURER: 'modal-scrollbar-measure', + BACKDROP: 'modal-backdrop', + OPEN: 'modal-open', + FADE: 'fade', + SHOW: 'show' + }; + var Selector = { + DIALOG: '.modal-dialog', + DATA_TOGGLE: '[data-toggle="modal"]', + DATA_DISMISS: '[data-dismiss="modal"]', + FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top', + STICKY_CONTENT: '.sticky-top', + NAVBAR_TOGGLER: '.navbar-toggler' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Modal = + /*#__PURE__*/ + function () { + function Modal(element, config) { + this._config = this._getConfig(config); + this._element = element; + this._dialog = $$$1(element).find(Selector.DIALOG)[0]; + this._backdrop = null; + this._isShown = false; + this._isBodyOverflowing = false; + this._ignoreBackdropClick = false; + this._originalBodyPadding = 0; + this._scrollbarWidth = 0; + } // Getters + + + var _proto = Modal.prototype; + + // Public + _proto.toggle = function toggle(relatedTarget) { + return this._isShown ? this.hide() : this.show(relatedTarget); + }; + + _proto.show = function show(relatedTarget) { + var _this = this; + + if (this._isTransitioning || this._isShown) { + return; + } + + if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE)) { + this._isTransitioning = true; + } + + var showEvent = $$$1.Event(Event.SHOW, { + relatedTarget: relatedTarget + }); + $$$1(this._element).trigger(showEvent); + + if (this._isShown || showEvent.isDefaultPrevented()) { + return; + } + + this._isShown = true; + + this._checkScrollbar(); + + this._setScrollbar(); + + this._adjustDialog(); + + $$$1(document.body).addClass(ClassName.OPEN); + + this._setEscapeEvent(); + + this._setResizeEvent(); + + $$$1(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) { + return _this.hide(event); + }); + $$$1(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () { + $$$1(_this._element).one(Event.MOUSEUP_DISMISS, function (event) { + if ($$$1(event.target).is(_this._element)) { + _this._ignoreBackdropClick = true; + } + }); + }); + + this._showBackdrop(function () { + return _this._showElement(relatedTarget); + }); + }; + + _proto.hide = function hide(event) { + var _this2 = this; + + if (event) { + event.preventDefault(); + } + + if (this._isTransitioning || !this._isShown) { + return; + } + + var hideEvent = $$$1.Event(Event.HIDE); + $$$1(this._element).trigger(hideEvent); + + if (!this._isShown || hideEvent.isDefaultPrevented()) { + return; + } + + this._isShown = false; + var transition = Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE); + + if (transition) { + this._isTransitioning = true; + } + + this._setEscapeEvent(); + + this._setResizeEvent(); + + $$$1(document).off(Event.FOCUSIN); + $$$1(this._element).removeClass(ClassName.SHOW); + $$$1(this._element).off(Event.CLICK_DISMISS); + $$$1(this._dialog).off(Event.MOUSEDOWN_DISMISS); + + if (transition) { + $$$1(this._element).one(Util.TRANSITION_END, function (event) { + return _this2._hideModal(event); + }).emulateTransitionEnd(TRANSITION_DURATION); + } else { + this._hideModal(); + } + }; + + _proto.dispose = function dispose() { + $$$1.removeData(this._element, DATA_KEY); + $$$1(window, document, this._element, this._backdrop).off(EVENT_KEY); + this._config = null; + this._element = null; + this._dialog = null; + this._backdrop = null; + this._isShown = null; + this._isBodyOverflowing = null; + this._ignoreBackdropClick = null; + this._scrollbarWidth = null; + }; + + _proto.handleUpdate = function handleUpdate() { + this._adjustDialog(); + }; // Private + + + _proto._getConfig = function _getConfig(config) { + config = _extends({}, Default, config); + Util.typeCheckConfig(NAME, config, DefaultType); + return config; + }; + + _proto._showElement = function _showElement(relatedTarget) { + var _this3 = this; + + var transition = Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE); + + if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) { + // Don't move modal's DOM position + document.body.appendChild(this._element); + } + + this._element.style.display = 'block'; + + this._element.removeAttribute('aria-hidden'); + + this._element.scrollTop = 0; + + if (transition) { + Util.reflow(this._element); + } + + $$$1(this._element).addClass(ClassName.SHOW); + + if (this._config.focus) { + this._enforceFocus(); + } + + var shownEvent = $$$1.Event(Event.SHOWN, { + relatedTarget: relatedTarget + }); + + var transitionComplete = function transitionComplete() { + if (_this3._config.focus) { + _this3._element.focus(); + } + + _this3._isTransitioning = false; + $$$1(_this3._element).trigger(shownEvent); + }; + + if (transition) { + $$$1(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(TRANSITION_DURATION); + } else { + transitionComplete(); + } + }; + + _proto._enforceFocus = function _enforceFocus() { + var _this4 = this; + + $$$1(document).off(Event.FOCUSIN) // Guard against infinite focus loop + .on(Event.FOCUSIN, function (event) { + if (document !== event.target && _this4._element !== event.target && $$$1(_this4._element).has(event.target).length === 0) { + _this4._element.focus(); + } + }); + }; + + _proto._setEscapeEvent = function _setEscapeEvent() { + var _this5 = this; + + if (this._isShown && this._config.keyboard) { + $$$1(this._element).on(Event.KEYDOWN_DISMISS, function (event) { + if (event.which === ESCAPE_KEYCODE) { + event.preventDefault(); + + _this5.hide(); + } + }); + } else if (!this._isShown) { + $$$1(this._element).off(Event.KEYDOWN_DISMISS); + } + }; + + _proto._setResizeEvent = function _setResizeEvent() { + var _this6 = this; + + if (this._isShown) { + $$$1(window).on(Event.RESIZE, function (event) { + return _this6.handleUpdate(event); + }); + } else { + $$$1(window).off(Event.RESIZE); + } + }; + + _proto._hideModal = function _hideModal() { + var _this7 = this; + + this._element.style.display = 'none'; + + this._element.setAttribute('aria-hidden', true); + + this._isTransitioning = false; + + this._showBackdrop(function () { + $$$1(document.body).removeClass(ClassName.OPEN); + + _this7._resetAdjustments(); + + _this7._resetScrollbar(); + + $$$1(_this7._element).trigger(Event.HIDDEN); + }); + }; + + _proto._removeBackdrop = function _removeBackdrop() { + if (this._backdrop) { + $$$1(this._backdrop).remove(); + this._backdrop = null; + } + }; + + _proto._showBackdrop = function _showBackdrop(callback) { + var _this8 = this; + + var animate = $$$1(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : ''; + + if (this._isShown && this._config.backdrop) { + var doAnimate = Util.supportsTransitionEnd() && animate; + this._backdrop = document.createElement('div'); + this._backdrop.className = ClassName.BACKDROP; + + if (animate) { + $$$1(this._backdrop).addClass(animate); + } + + $$$1(this._backdrop).appendTo(document.body); + $$$1(this._element).on(Event.CLICK_DISMISS, function (event) { + if (_this8._ignoreBackdropClick) { + _this8._ignoreBackdropClick = false; + return; + } + + if (event.target !== event.currentTarget) { + return; + } + + if (_this8._config.backdrop === 'static') { + _this8._element.focus(); + } else { + _this8.hide(); + } + }); + + if (doAnimate) { + Util.reflow(this._backdrop); + } + + $$$1(this._backdrop).addClass(ClassName.SHOW); + + if (!callback) { + return; + } + + if (!doAnimate) { + callback(); + return; + } + + $$$1(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION); + } else if (!this._isShown && this._backdrop) { + $$$1(this._backdrop).removeClass(ClassName.SHOW); + + var callbackRemove = function callbackRemove() { + _this8._removeBackdrop(); + + if (callback) { + callback(); + } + }; + + if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE)) { + $$$1(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION); + } else { + callbackRemove(); + } + } else if (callback) { + callback(); + } + }; // ---------------------------------------------------------------------- + // the following methods are used to handle overflowing modals + // todo (fat): these should probably be refactored out of modal.js + // ---------------------------------------------------------------------- + + + _proto._adjustDialog = function _adjustDialog() { + var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight; + + if (!this._isBodyOverflowing && isModalOverflowing) { + this._element.style.paddingLeft = this._scrollbarWidth + "px"; + } + + if (this._isBodyOverflowing && !isModalOverflowing) { + this._element.style.paddingRight = this._scrollbarWidth + "px"; + } + }; + + _proto._resetAdjustments = function _resetAdjustments() { + this._element.style.paddingLeft = ''; + this._element.style.paddingRight = ''; + }; + + _proto._checkScrollbar = function _checkScrollbar() { + var rect = document.body.getBoundingClientRect(); + this._isBodyOverflowing = rect.left + rect.right < window.innerWidth; + this._scrollbarWidth = this._getScrollbarWidth(); + }; + + _proto._setScrollbar = function _setScrollbar() { + var _this9 = this; + + if (this._isBodyOverflowing) { + // Note: DOMNode.style.paddingRight returns the actual value or '' if not set + // while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set + // Adjust fixed content padding + $$$1(Selector.FIXED_CONTENT).each(function (index, element) { + var actualPadding = $$$1(element)[0].style.paddingRight; + var calculatedPadding = $$$1(element).css('padding-right'); + $$$1(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px"); + }); // Adjust sticky content margin + + $$$1(Selector.STICKY_CONTENT).each(function (index, element) { + var actualMargin = $$$1(element)[0].style.marginRight; + var calculatedMargin = $$$1(element).css('margin-right'); + $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px"); + }); // Adjust navbar-toggler margin + + $$$1(Selector.NAVBAR_TOGGLER).each(function (index, element) { + var actualMargin = $$$1(element)[0].style.marginRight; + var calculatedMargin = $$$1(element).css('margin-right'); + $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + "px"); + }); // Adjust body padding + + var actualPadding = document.body.style.paddingRight; + var calculatedPadding = $$$1('body').css('padding-right'); + $$$1('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px"); + } + }; + + _proto._resetScrollbar = function _resetScrollbar() { + // Restore fixed content padding + $$$1(Selector.FIXED_CONTENT).each(function (index, element) { + var padding = $$$1(element).data('padding-right'); + + if (typeof padding !== 'undefined') { + $$$1(element).css('padding-right', padding).removeData('padding-right'); + } + }); // Restore sticky content and navbar-toggler margin + + $$$1(Selector.STICKY_CONTENT + ", " + Selector.NAVBAR_TOGGLER).each(function (index, element) { + var margin = $$$1(element).data('margin-right'); + + if (typeof margin !== 'undefined') { + $$$1(element).css('margin-right', margin).removeData('margin-right'); + } + }); // Restore body padding + + var padding = $$$1('body').data('padding-right'); + + if (typeof padding !== 'undefined') { + $$$1('body').css('padding-right', padding).removeData('padding-right'); + } + }; + + _proto._getScrollbarWidth = function _getScrollbarWidth() { + // thx d.walsh + var scrollDiv = document.createElement('div'); + scrollDiv.className = ClassName.SCROLLBAR_MEASURER; + document.body.appendChild(scrollDiv); + var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth; + document.body.removeChild(scrollDiv); + return scrollbarWidth; + }; // Static + + + Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) { + return this.each(function () { + var data = $$$1(this).data(DATA_KEY); + + var _config = _extends({}, Modal.Default, $$$1(this).data(), typeof config === 'object' && config); + + if (!data) { + data = new Modal(this, _config); + $$$1(this).data(DATA_KEY, data); + } + + if (typeof config === 'string') { + if (typeof data[config] === 'undefined') { + throw new TypeError("No method named \"" + config + "\""); + } + + data[config](relatedTarget); + } else if (_config.show) { + data.show(relatedTarget); + } + }); + }; + + _createClass(Modal, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }]); + return Modal; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { + var _this10 = this; + + var target; + var selector = Util.getSelectorFromElement(this); + + if (selector) { + target = $$$1(selector)[0]; + } + + var config = $$$1(target).data(DATA_KEY) ? 'toggle' : _extends({}, $$$1(target).data(), $$$1(this).data()); + + if (this.tagName === 'A' || this.tagName === 'AREA') { + event.preventDefault(); + } + + var $target = $$$1(target).one(Event.SHOW, function (showEvent) { + if (showEvent.isDefaultPrevented()) { + // Only register focus restorer if modal will actually get shown + return; + } + + $target.one(Event.HIDDEN, function () { + if ($$$1(_this10).is(':visible')) { + _this10.focus(); + } + }); + }); + + Modal._jQueryInterface.call($$$1(target), config, this); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $$$1.fn[NAME] = Modal._jQueryInterface; + $$$1.fn[NAME].Constructor = Modal; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Modal._jQueryInterface; + }; + + return Modal; +}($); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): tooltip.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Tooltip = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'tooltip'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.tooltip'; + var EVENT_KEY = "." + DATA_KEY; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var TRANSITION_DURATION = 150; + var CLASS_PREFIX = 'bs-tooltip'; + var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g'); + var DefaultType = { + animation: 'boolean', + template: 'string', + title: '(string|element|function)', + trigger: 'string', + delay: '(number|object)', + html: 'boolean', + selector: '(string|boolean)', + placement: '(string|function)', + offset: '(number|string)', + container: '(string|element|boolean)', + fallbackPlacement: '(string|array)', + boundary: '(string|element)' + }; + var AttachmentMap = { + AUTO: 'auto', + TOP: 'top', + RIGHT: 'right', + BOTTOM: 'bottom', + LEFT: 'left' + }; + var Default = { + animation: true, + template: '', + trigger: 'hover focus', + title: '', + delay: 0, + html: false, + selector: false, + placement: 'top', + offset: 0, + container: false, + fallbackPlacement: 'flip', + boundary: 'scrollParent' + }; + var HoverState = { + SHOW: 'show', + OUT: 'out' + }; + var Event = { + HIDE: "hide" + EVENT_KEY, + HIDDEN: "hidden" + EVENT_KEY, + SHOW: "show" + EVENT_KEY, + SHOWN: "shown" + EVENT_KEY, + INSERTED: "inserted" + EVENT_KEY, + CLICK: "click" + EVENT_KEY, + FOCUSIN: "focusin" + EVENT_KEY, + FOCUSOUT: "focusout" + EVENT_KEY, + MOUSEENTER: "mouseenter" + EVENT_KEY, + MOUSELEAVE: "mouseleave" + EVENT_KEY + }; + var ClassName = { + FADE: 'fade', + SHOW: 'show' + }; + var Selector = { + TOOLTIP: '.tooltip', + TOOLTIP_INNER: '.tooltip-inner', + ARROW: '.arrow' + }; + var Trigger = { + HOVER: 'hover', + FOCUS: 'focus', + CLICK: 'click', + MANUAL: 'manual' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Tooltip = + /*#__PURE__*/ + function () { + function Tooltip(element, config) { + /** + * Check for Popper dependency + * Popper - https://popper.js.org + */ + if (typeof Popper === 'undefined') { + throw new TypeError('Bootstrap tooltips require Popper.js (https://popper.js.org)'); + } // private + + + this._isEnabled = true; + this._timeout = 0; + this._hoverState = ''; + this._activeTrigger = {}; + this._popper = null; // Protected + + this.element = element; + this.config = this._getConfig(config); + this.tip = null; + + this._setListeners(); + } // Getters + + + var _proto = Tooltip.prototype; + + // Public + _proto.enable = function enable() { + this._isEnabled = true; + }; + + _proto.disable = function disable() { + this._isEnabled = false; + }; + + _proto.toggleEnabled = function toggleEnabled() { + this._isEnabled = !this._isEnabled; + }; + + _proto.toggle = function toggle(event) { + if (!this._isEnabled) { + return; + } + + if (event) { + var dataKey = this.constructor.DATA_KEY; + var context = $$$1(event.currentTarget).data(dataKey); + + if (!context) { + context = new this.constructor(event.currentTarget, this._getDelegateConfig()); + $$$1(event.currentTarget).data(dataKey, context); + } + + context._activeTrigger.click = !context._activeTrigger.click; + + if (context._isWithActiveTrigger()) { + context._enter(null, context); + } else { + context._leave(null, context); + } + } else { + if ($$$1(this.getTipElement()).hasClass(ClassName.SHOW)) { + this._leave(null, this); + + return; + } + + this._enter(null, this); + } + }; + + _proto.dispose = function dispose() { + clearTimeout(this._timeout); + $$$1.removeData(this.element, this.constructor.DATA_KEY); + $$$1(this.element).off(this.constructor.EVENT_KEY); + $$$1(this.element).closest('.modal').off('hide.bs.modal'); + + if (this.tip) { + $$$1(this.tip).remove(); + } + + this._isEnabled = null; + this._timeout = null; + this._hoverState = null; + this._activeTrigger = null; + + if (this._popper !== null) { + this._popper.destroy(); + } + + this._popper = null; + this.element = null; + this.config = null; + this.tip = null; + }; + + _proto.show = function show() { + var _this = this; + + if ($$$1(this.element).css('display') === 'none') { + throw new Error('Please use show on visible elements'); + } + + var showEvent = $$$1.Event(this.constructor.Event.SHOW); + + if (this.isWithContent() && this._isEnabled) { + $$$1(this.element).trigger(showEvent); + var isInTheDom = $$$1.contains(this.element.ownerDocument.documentElement, this.element); + + if (showEvent.isDefaultPrevented() || !isInTheDom) { + return; + } + + var tip = this.getTipElement(); + var tipId = Util.getUID(this.constructor.NAME); + tip.setAttribute('id', tipId); + this.element.setAttribute('aria-describedby', tipId); + this.setContent(); + + if (this.config.animation) { + $$$1(tip).addClass(ClassName.FADE); + } + + var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement; + + var attachment = this._getAttachment(placement); + + this.addAttachmentClass(attachment); + var container = this.config.container === false ? document.body : $$$1(this.config.container); + $$$1(tip).data(this.constructor.DATA_KEY, this); + + if (!$$$1.contains(this.element.ownerDocument.documentElement, this.tip)) { + $$$1(tip).appendTo(container); + } + + $$$1(this.element).trigger(this.constructor.Event.INSERTED); + this._popper = new Popper(this.element, tip, { + placement: attachment, + modifiers: { + offset: { + offset: this.config.offset + }, + flip: { + behavior: this.config.fallbackPlacement + }, + arrow: { + element: Selector.ARROW + }, + preventOverflow: { + boundariesElement: this.config.boundary + } + }, + onCreate: function onCreate(data) { + if (data.originalPlacement !== data.placement) { + _this._handlePopperPlacementChange(data); + } + }, + onUpdate: function onUpdate(data) { + _this._handlePopperPlacementChange(data); + } + }); + $$$1(tip).addClass(ClassName.SHOW); // If this is a touch-enabled device we add extra + // empty mouseover listeners to the body's immediate children; + // only needed because of broken event delegation on iOS + // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html + + if ('ontouchstart' in document.documentElement) { + $$$1('body').children().on('mouseover', null, $$$1.noop); + } + + var complete = function complete() { + if (_this.config.animation) { + _this._fixTransition(); + } + + var prevHoverState = _this._hoverState; + _this._hoverState = null; + $$$1(_this.element).trigger(_this.constructor.Event.SHOWN); + + if (prevHoverState === HoverState.OUT) { + _this._leave(null, _this); + } + }; + + if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) { + $$$1(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION); + } else { + complete(); + } + } + }; + + _proto.hide = function hide(callback) { + var _this2 = this; + + var tip = this.getTipElement(); + var hideEvent = $$$1.Event(this.constructor.Event.HIDE); + + var complete = function complete() { + if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) { + tip.parentNode.removeChild(tip); + } + + _this2._cleanTipClass(); + + _this2.element.removeAttribute('aria-describedby'); + + $$$1(_this2.element).trigger(_this2.constructor.Event.HIDDEN); + + if (_this2._popper !== null) { + _this2._popper.destroy(); + } + + if (callback) { + callback(); + } + }; + + $$$1(this.element).trigger(hideEvent); + + if (hideEvent.isDefaultPrevented()) { + return; + } + + $$$1(tip).removeClass(ClassName.SHOW); // If this is a touch-enabled device we remove the extra + // empty mouseover listeners we added for iOS support + + if ('ontouchstart' in document.documentElement) { + $$$1('body').children().off('mouseover', null, $$$1.noop); + } + + this._activeTrigger[Trigger.CLICK] = false; + this._activeTrigger[Trigger.FOCUS] = false; + this._activeTrigger[Trigger.HOVER] = false; + + if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) { + $$$1(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION); + } else { + complete(); + } + + this._hoverState = ''; + }; + + _proto.update = function update() { + if (this._popper !== null) { + this._popper.scheduleUpdate(); + } + }; // Protected + + + _proto.isWithContent = function isWithContent() { + return Boolean(this.getTitle()); + }; + + _proto.addAttachmentClass = function addAttachmentClass(attachment) { + $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment); + }; + + _proto.getTipElement = function getTipElement() { + this.tip = this.tip || $$$1(this.config.template)[0]; + return this.tip; + }; + + _proto.setContent = function setContent() { + var $tip = $$$1(this.getTipElement()); + this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle()); + $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW); + }; + + _proto.setElementContent = function setElementContent($element, content) { + var html = this.config.html; + + if (typeof content === 'object' && (content.nodeType || content.jquery)) { + // Content is a DOM node or a jQuery + if (html) { + if (!$$$1(content).parent().is($element)) { + $element.empty().append(content); + } + } else { + $element.text($$$1(content).text()); + } + } else { + $element[html ? 'html' : 'text'](content); + } + }; + + _proto.getTitle = function getTitle() { + var title = this.element.getAttribute('data-original-title'); + + if (!title) { + title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title; + } + + return title; + }; // Private + + + _proto._getAttachment = function _getAttachment(placement) { + return AttachmentMap[placement.toUpperCase()]; + }; + + _proto._setListeners = function _setListeners() { + var _this3 = this; + + var triggers = this.config.trigger.split(' '); + triggers.forEach(function (trigger) { + if (trigger === 'click') { + $$$1(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) { + return _this3.toggle(event); + }); + } else if (trigger !== Trigger.MANUAL) { + var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN; + var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT; + $$$1(_this3.element).on(eventIn, _this3.config.selector, function (event) { + return _this3._enter(event); + }).on(eventOut, _this3.config.selector, function (event) { + return _this3._leave(event); + }); + } + + $$$1(_this3.element).closest('.modal').on('hide.bs.modal', function () { + return _this3.hide(); + }); + }); + + if (this.config.selector) { + this.config = _extends({}, this.config, { + trigger: 'manual', + selector: '' + }); + } else { + this._fixTitle(); + } + }; + + _proto._fixTitle = function _fixTitle() { + var titleType = typeof this.element.getAttribute('data-original-title'); + + if (this.element.getAttribute('title') || titleType !== 'string') { + this.element.setAttribute('data-original-title', this.element.getAttribute('title') || ''); + this.element.setAttribute('title', ''); + } + }; + + _proto._enter = function _enter(event, context) { + var dataKey = this.constructor.DATA_KEY; + context = context || $$$1(event.currentTarget).data(dataKey); + + if (!context) { + context = new this.constructor(event.currentTarget, this._getDelegateConfig()); + $$$1(event.currentTarget).data(dataKey, context); + } + + if (event) { + context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true; + } + + if ($$$1(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) { + context._hoverState = HoverState.SHOW; + return; + } + + clearTimeout(context._timeout); + context._hoverState = HoverState.SHOW; + + if (!context.config.delay || !context.config.delay.show) { + context.show(); + return; + } + + context._timeout = setTimeout(function () { + if (context._hoverState === HoverState.SHOW) { + context.show(); + } + }, context.config.delay.show); + }; + + _proto._leave = function _leave(event, context) { + var dataKey = this.constructor.DATA_KEY; + context = context || $$$1(event.currentTarget).data(dataKey); + + if (!context) { + context = new this.constructor(event.currentTarget, this._getDelegateConfig()); + $$$1(event.currentTarget).data(dataKey, context); + } + + if (event) { + context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false; + } + + if (context._isWithActiveTrigger()) { + return; + } + + clearTimeout(context._timeout); + context._hoverState = HoverState.OUT; + + if (!context.config.delay || !context.config.delay.hide) { + context.hide(); + return; + } + + context._timeout = setTimeout(function () { + if (context._hoverState === HoverState.OUT) { + context.hide(); + } + }, context.config.delay.hide); + }; + + _proto._isWithActiveTrigger = function _isWithActiveTrigger() { + for (var trigger in this._activeTrigger) { + if (this._activeTrigger[trigger]) { + return true; + } + } + + return false; + }; + + _proto._getConfig = function _getConfig(config) { + config = _extends({}, this.constructor.Default, $$$1(this.element).data(), config); + + if (typeof config.delay === 'number') { + config.delay = { + show: config.delay, + hide: config.delay + }; + } + + if (typeof config.title === 'number') { + config.title = config.title.toString(); + } + + if (typeof config.content === 'number') { + config.content = config.content.toString(); + } + + Util.typeCheckConfig(NAME, config, this.constructor.DefaultType); + return config; + }; + + _proto._getDelegateConfig = function _getDelegateConfig() { + var config = {}; + + if (this.config) { + for (var key in this.config) { + if (this.constructor.Default[key] !== this.config[key]) { + config[key] = this.config[key]; + } + } + } + + return config; + }; + + _proto._cleanTipClass = function _cleanTipClass() { + var $tip = $$$1(this.getTipElement()); + var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX); + + if (tabClass !== null && tabClass.length > 0) { + $tip.removeClass(tabClass.join('')); + } + }; + + _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(data) { + this._cleanTipClass(); + + this.addAttachmentClass(this._getAttachment(data.placement)); + }; + + _proto._fixTransition = function _fixTransition() { + var tip = this.getTipElement(); + var initConfigAnimation = this.config.animation; + + if (tip.getAttribute('x-placement') !== null) { + return; + } + + $$$1(tip).removeClass(ClassName.FADE); + this.config.animation = false; + this.hide(); + this.show(); + this.config.animation = initConfigAnimation; + }; // Static + + + Tooltip._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $$$1(this).data(DATA_KEY); + + var _config = typeof config === 'object' && config; + + if (!data && /dispose|hide/.test(config)) { + return; + } + + if (!data) { + data = new Tooltip(this, _config); + $$$1(this).data(DATA_KEY, data); + } + + if (typeof config === 'string') { + if (typeof data[config] === 'undefined') { + throw new TypeError("No method named \"" + config + "\""); + } + + data[config](); + } + }); + }; + + _createClass(Tooltip, null, [{ + key: "VERSION", + get: function get() { + return VERSION; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }, { + key: "NAME", + get: function get() { + return NAME; + } + }, { + key: "DATA_KEY", + get: function get() { + return DATA_KEY; + } + }, { + key: "Event", + get: function get() { + return Event; + } + }, { + key: "EVENT_KEY", + get: function get() { + return EVENT_KEY; + } + }, { + key: "DefaultType", + get: function get() { + return DefaultType; + } + }]); + return Tooltip; + }(); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + + $$$1.fn[NAME] = Tooltip._jQueryInterface; + $$$1.fn[NAME].Constructor = Tooltip; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Tooltip._jQueryInterface; + }; + + return Tooltip; +}($, Popper); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): popover.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var Popover = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'popover'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.popover'; + var EVENT_KEY = "." + DATA_KEY; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var CLASS_PREFIX = 'bs-popover'; + var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g'); + var Default = _extends({}, Tooltip.Default, { + placement: 'right', + trigger: 'click', + content: '', + template: '' + }); + var DefaultType = _extends({}, Tooltip.DefaultType, { + content: '(string|element|function)' + }); + var ClassName = { + FADE: 'fade', + SHOW: 'show' + }; + var Selector = { + TITLE: '.popover-header', + CONTENT: '.popover-body' + }; + var Event = { + HIDE: "hide" + EVENT_KEY, + HIDDEN: "hidden" + EVENT_KEY, + SHOW: "show" + EVENT_KEY, + SHOWN: "shown" + EVENT_KEY, + INSERTED: "inserted" + EVENT_KEY, + CLICK: "click" + EVENT_KEY, + FOCUSIN: "focusin" + EVENT_KEY, + FOCUSOUT: "focusout" + EVENT_KEY, + MOUSEENTER: "mouseenter" + EVENT_KEY, + MOUSELEAVE: "mouseleave" + EVENT_KEY + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Popover = + /*#__PURE__*/ + function (_Tooltip) { + _inheritsLoose(Popover, _Tooltip); + + function Popover() { + return _Tooltip.apply(this, arguments) || this; + } + + var _proto = Popover.prototype; + + // Overrides + _proto.isWithContent = function isWithContent() { + return this.getTitle() || this._getContent(); + }; + + _proto.addAttachmentClass = function addAttachmentClass(attachment) { + $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment); + }; + + _proto.getTipElement = function getTipElement() { + this.tip = this.tip || $$$1(this.config.template)[0]; + return this.tip; + }; + + _proto.setContent = function setContent() { + var $tip = $$$1(this.getTipElement()); // We use append for html objects to maintain js events + + this.setElementContent($tip.find(Selector.TITLE), this.getTitle()); + + var content = this._getContent(); + + if (typeof content === 'function') { + content = content.call(this.element); + } + + this.setElementContent($tip.find(Selector.CONTENT), content); + $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW); + }; // Private + + + _proto._getContent = function _getContent() { + return this.element.getAttribute('data-content') || this.config.content; + }; + + _proto._cleanTipClass = function _cleanTipClass() { + var $tip = $$$1(this.getTipElement()); + var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX); + + if (tabClass !== null && tabClass.length > 0) { + $tip.removeClass(tabClass.join('')); + } + }; // Static + + + Popover._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $$$1(this).data(DATA_KEY); + + var _config = typeof config === 'object' ? config : null; + + if (!data && /destroy|hide/.test(config)) { + return; + } + + if (!data) { + data = new Popover(this, _config); + $$$1(this).data(DATA_KEY, data); + } + + if (typeof config === 'string') { + if (typeof data[config] === 'undefined') { + throw new TypeError("No method named \"" + config + "\""); + } + + data[config](); + } + }); + }; + + _createClass(Popover, null, [{ + key: "VERSION", + // Getters + get: function get() { + return VERSION; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }, { + key: "NAME", + get: function get() { + return NAME; + } + }, { + key: "DATA_KEY", + get: function get() { + return DATA_KEY; + } + }, { + key: "Event", + get: function get() { + return Event; + } + }, { + key: "EVENT_KEY", + get: function get() { + return EVENT_KEY; + } + }, { + key: "DefaultType", + get: function get() { + return DefaultType; + } + }]); + return Popover; + }(Tooltip); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + + $$$1.fn[NAME] = Popover._jQueryInterface; + $$$1.fn[NAME].Constructor = Popover; + + $$$1.fn[NAME].noConflict = function () { + $$$1.fn[NAME] = JQUERY_NO_CONFLICT; + return Popover._jQueryInterface; + }; + + return Popover; +}($); + +/** + * -------------------------------------------------------------------------- + * Bootstrap (v4.0.0): scrollspy.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +var ScrollSpy = function ($$$1) { + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + var NAME = 'scrollspy'; + var VERSION = '4.0.0'; + var DATA_KEY = 'bs.scrollspy'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $$$1.fn[NAME]; + var Default = { + offset: 10, + method: 'auto', + target: '' + }; + var DefaultType = { + offset: 'number', + method: 'string', + target: '(string|element)' + }; + var Event = { + ACTIVATE: "activate" + EVENT_KEY, + SCROLL: "scroll" + EVENT_KEY, + LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + DROPDOWN_ITEM: 'dropdown-item', + DROPDOWN_MENU: 'dropdown-menu', + ACTIVE: 'active' + }; + var Selector = { + DATA_SPY: '[data-spy="scroll"]', + ACTIVE: '.active', + NAV_LIST_GROUP: '.nav, .list-group', + NAV_LINKS: '.nav-link', + NAV_ITEMS: '.nav-item', + LIST_ITEMS: '.list-group-item', + DROPDOWN: '.dropdown', + DROPDOWN_ITEMS: '.dropdown-item', + DROPDOWN_TOGGLE: '.dropdown-toggle' + }; + var OffsetMethod = { + OFFSET: 'offset', + POSITION: 'position' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var ScrollSpy = + /*#__PURE__*/ + function () { + function ScrollSpy(element, config) { + var _this = this; + + this._element = element; + this._scrollElement = element.tagName === 'BODY' ? window : element; + this._config = this._getConfig(config); + this._selector = this._config.target + " " + Selector.NAV_LINKS + "," + (this._config.target + " " + Selector.LIST_ITEMS + ",") + (this._config.target + " " + Selector.DROPDOWN_ITEMS); + this._offsets = []; + this._targets = []; + this._activeTarget = null; + this._scrollHeight = 0; + $$$1(this._scrollElement).on(Event.SCROLL, function (event) { + return _this._process(event); + }); + this.refresh(); + + this._process(); + } // Getters + + + var _proto = ScrollSpy.prototype; + + // Public + _proto.refresh = function refresh() { + var _this2 = this; + + var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION; + var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method; + var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0; + this._offsets = []; + this._targets = []; + this._scrollHeight = this._getScrollHeight(); + var targets = $$$1.makeArray($$$1(this._selector)); + targets.map(function (element) { + var target; + var targetSelector = Util.getSelectorFromElement(element); + + if (targetSelector) { + target = $$$1(targetSelector)[0]; + } + + if (target) { + var targetBCR = target.getBoundingClientRect(); + + if (targetBCR.width || targetBCR.height) { + // TODO (fat): remove sketch reliance on jQuery position/offset + return [$$$1(target)[offsetMethod]().top + offsetBase, targetSelector]; + } + } + + return null; + }).filter(function (item) { + return item; + }).sort(function (a, b) { + return a[0] - b[0]; + }).forEach(function (item) { + _this2._offsets.push(item[0]); + + _this2._targets.push(item[1]); + }); + }; + + _proto.dispose = function dispose() { + $$$1.removeData(this._element, DATA_KEY); + $$$1(this._scrollElement).off(EVENT_KEY); + this._element = null; + this._scrollElement = null; + this._config = null; + this._selector = null; + this._offsets = null; + this._targets = null; + this._activeTarget = null; + this._scrollHeight = null; + }; // Private + + + _proto._getConfig = function _getConfig(config) { + config = _extends({}, Default, config); + + if (typeof config.target !== 'string') { + var id = $$$1(config.target).attr('id'); + + if (!id) { + id = Util.getUID(NAME); + $$$1(config.target).attr('id', id); + } + + config.target = "#" + id; + } + + Util.typeCheckConfig(NAME, config, DefaultType); + return config; + }; + + _proto._getScrollTop = function _getScrollTop() { + return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop; + }; + + _proto._getScrollHeight = function _getScrollHeight() { + return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight); + }; + + _proto._getOffsetHeight = function _getOffsetHeight() { + return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height; + }; + + _proto._process = function _process() { + var scrollTop = this._getScrollTop() + this._config.offset; + + var scrollHeight = this._getScrollHeight(); + + var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight(); + + if (this._scrollHeight !== scrollHeight) { + this.refresh(); + } + + if (scrollTop >= maxScroll) { + var target = this._targets[this._targets.length - 1]; + + if (this._activeTarget !== target) { + this._activate(target); + } + + return; + } + + if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) { + this._activeTarget = null; + + this._clear(); + + return; + } + + for (var i = this._offsets.length; i--;) { + var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]); + + if (isActiveTarget) { + this._activate(this._targets[i]); + } + } + }; + + _proto._activate = function _activate(target) { + this._activeTarget = target; + + this._clear(); + + var queries = this._selector.split(','); // eslint-disable-next-line arrow-body-style + + + queries = queries.map(function (selector) { + return selector + "[data-target=\"" + target + "\"]," + (selector + "[href=\"" + target + "\"]"); + }); + var $link = $$$1(queries.join(',')); + + if ($link.hasClass(ClassName.DROPDOWN_ITEM)) { + $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE); + $link.addClass(ClassName.ACTIVE); + } else { + // Set triggered link as active + $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active + // With both