2 files changed, 0 insertions, 122 deletions
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)
-