Function main

Tools/peg_generator/pegen/first_sets.py:134–144

()

def main() -> None:
    args = argparser.parse_args()

    try:
        grammar, parser, tokenizer = build_parser(args.grammar_file)
    except Exception as err:
        print("ERROR: Failed to parse grammar file", err, file=sys.stderr)
        sys.exit(1)

    firs_sets = FirstSetCalculator(grammar.rules).calculate()
    pprint.pprint(firs_sets)


if __name__ == "__main__":