cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

table_templater.py (1931B)

      1# Parser for test templates
      2#
      3# Copyright (c) 2021 Virtuozzo International GmbH.
      4#
      5# This program is free software; you can redistribute it and/or modify
      6# it under the terms of the GNU General Public License as published by
      7# the Free Software Foundation; either version 2 of the License, or
      8# (at your option) any later version.
      9#
     10# This program is distributed in the hope that it will be useful,
     11# but WITHOUT ANY WARRANTY; without even the implied warranty of
     12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13# GNU General Public License for more details.
     14#
     15# You should have received a copy of the GNU General Public License
     16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
     17#
     18
     19import itertools
     20from lark import Lark
     21
     22grammar = """
     23start: ( text | column_switch | row_switch )+
     24
     25column_switch: "{" text ["|" text]+ "}"
     26row_switch: "[" text ["|" text]+ "]"
     27text: /[^|{}\[\]]+/
     28"""
     29
     30parser = Lark(grammar)
     31
     32class Templater:
     33    def __init__(self, template):
     34        self.tree = parser.parse(template)
     35
     36        c_switches = []
     37        r_switches = []
     38        for x in self.tree.children:
     39            if x.data == 'column_switch':
     40                c_switches.append([el.children[0].value for el in x.children])
     41            elif x.data == 'row_switch':
     42                r_switches.append([el.children[0].value for el in x.children])
     43
     44        self.columns = list(itertools.product(*c_switches))
     45        self.rows = list(itertools.product(*r_switches))
     46
     47    def gen(self, column, row):
     48        i = 0
     49        j = 0
     50        result = []
     51
     52        for x in self.tree.children:
     53            if x.data == 'text':
     54                result.append(x.children[0].value)
     55            elif x.data == 'column_switch':
     56                result.append(column[i])
     57                i += 1
     58            elif x.data == 'row_switch':
     59                result.append(row[j])
     60                j += 1
     61
     62        return ''.join(result)