def METHOD_NAME(self):
    """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)