Пример #1
0
def load_bug(bug_fn, grammar_meta):
    with open(bug_fn) as f:
        bug_src = f.read()
    start = grammar_meta['[start]']
    grammar = grammar_meta['[grammar]']
    parser = Parser(grammar, start_symbol=start, canonical=True)  # log=True)
    forest = parser.parse(bug_src.strip())
    tree = list(forest)[0]
    return grammar_meta, coalesce(tree)
Пример #2
0
class EvalMysteryRunner(MysteryRunner):
    def __init__(self):
        self.parser = EarleyParser(EXPR_GRAMMAR)

    def run(self, inp):
        try:
            tree, *_ = self.parser.parse(inp)
        except SyntaxError as exc:
            return (inp, Runner.UNRESOLVED)

        return super().run(inp)
if __name__ == "__main__":
    print('\n### Counting Expansions')

if __package__ is None or __package__ == "":
    from Parser import Parser, EarleyParser, PEGParser
else:
    from .Parser import Parser, EarleyParser, PEGParser

IP_ADDRESS_TOKENS = {"<octet>"}  # EarleyParser needs explicit tokens

if __name__ == "__main__":
    parser = EarleyParser(IP_ADDRESS_GRAMMAR)

if __name__ == "__main__":
    tree = parser.parse("127.0.0.1")[0]
    display_tree(tree)


class ExpansionCountMiner(object):
    def __init__(self, parser, log=False):
        assert isinstance(parser, Parser)
        self.grammar = extend_grammar(parser.grammar())
        self.parser = parser
        self.log = log
        self.reset()


if __package__ is None or __package__ == "":
    from GrammarCoverageFuzzer import expansion_key  # minor dependency
else:
Пример #4
0
    assert is_valid_grammar(XML_GRAMMAR)

if __package__ is None or __package__ == "":
    from Parser import EarleyParser
else:
    from .Parser import EarleyParser

if __package__ is None or __package__ == "":
    from GrammarFuzzer import display_tree
else:
    from .GrammarFuzzer import display_tree

if __name__ == "__main__":
    parser = EarleyParser(XML_GRAMMAR, tokens=XML_TOKENS)

    for tree in parser.parse("<html>Text</html>"):
        display_tree(tree)

# ### Building the Fragment Pool

if __name__ == "__main__":
    print('\n### Building the Fragment Pool')


class FragmentMutator(Mutator):
    def __init__(self, parser):
        """Initialize empty fragment pool and add parser"""
        self.parser = parser
        self.fragments = {k: [] for k in self.parser.cgrammar}
        super().__init__()
Пример #5
0
if __name__ == "__main__":
    print('\n### Counting Expansions')

if __package__ is None or __package__ == "":
    from Parser import Parser, EarleyParser, PEGParser
else:
    from .Parser import Parser, EarleyParser, PEGParser

IP_ADDRESS_TOKENS = {"<octet>"}  # EarleyParser needs explicit tokens

if __name__ == "__main__":
    parser = EarleyParser(IP_ADDRESS_GRAMMAR)

if __name__ == "__main__":
    tree, *_ = parser.parse("127.0.0.1")
    display_tree(tree)


class ExpansionCountMiner(object):
    def __init__(self, parser, log=False):
        assert isinstance(parser, Parser)
        self.grammar = extend_grammar(parser.grammar())
        self.parser = parser
        self.log = log
        self.reset()


if __package__ is None or __package__ == "":
    from GrammarCoverageFuzzer import expansion_key  # minor dependency
else:
if __package__ is None or __package__ == "":
    from GrammarFuzzer import display_tree
else:
    from .GrammarFuzzer import display_tree

if __package__ is None or __package__ == "":
    from Parser import EarleyParser
else:
    from .Parser import EarleyParser

if __name__ == "__main__":
    parser = EarleyParser(IP_ADDRESS_GRAMMAR)

if __name__ == "__main__":
    tree = parser.parse("127.0.0.1")[0]
    display_tree(tree)

if __name__ == "__main__":
    IP_ADDRESS_GRAMMAR["<octet>"] = list(sorted(decrange(0, 256),
                                                reverse=True))

if __package__ is None or __package__ == "":
    from Parser import PEGParser
else:
    from .Parser import PEGParser

if __name__ == "__main__":
    parser = PEGParser(IP_ADDRESS_GRAMMAR)
    tree = parser.parse("127.0.0.1")[0]
    display_tree(tree)