Method start

Tools/peg_generator/pegen/grammar_parser.py:45–55

(self)

    @memoize
    def start(self) -> Optional[Grammar]:
        # start: grammar $
        mark = self._mark()
        if (
            (grammar := self.grammar())
            and
            (_endmarker := self.expect('ENDMARKER'))
        ):
            return grammar
        self._reset(mark)
        return None

    @memoize
    def grammar(self) -> Optional[Grammar]: