Пример #1
0
    def __init__(self, grammar):
        self.string = ""
        self.words = []
        self.engine = GrammarEngine(grammar)
        self.RDP = RecursiveDescentParser(self.engine, False)

        self.nonterminals = self.engine.get_nonterminals(grammar)
        self.terminals = self.engine.get_terminals(grammar)
Пример #2
0
def component2():
    grammar_engine = GrammarEngine("component2.txt")
    grammar = grammar_engine.grammar
    parser = RecursiveDescentParser(grammar, False)
    result = parser.parse("Joe said Buster ghosted Schiller", "S")

    ##keys = grammar.keys()
    # for symbol in grammar:
    #   rules[symbol] = grammar[symbol].body
    # print(rules)
    # print(grammar.variables)
    print(result)
Пример #3
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 def __init__(self, grammar, verbose=False):
     self.parser = RecursiveDescentParser(grammar=grammar, verbose=verbose)
     self.grammar = grammar
     self.partial_parses = list()