def report(self) -> None:
        """Dump the grammar tables to standard output, for debugging."""
        from pprint import pprint

        print("s2n")
        pprint(self.symbol2number)
        print("n2s")
        pprint(self.number2symbol)
        print("states")
        pprint(self.states)
        print("dfas")
        pprint(self.dfas)
        print("labels")
        pprint(self.labels)
        print("start", self.start)
Dump the grammar tables to standard output, for debugging.
src/blib2to3/pgen2/grammar.py