Mercurial > repo
view ply-3.8/test/lex_state1.py @ 12265:984c8295238b draft
<b_jonas> slashlearn aoc/Advent of Code (AoC) is a series of programming puzzles that some regulars enjoy, found at "https://adventofcode.com/2019/about".
author | HackEso <hackeso@esolangs.org> |
---|---|
date | Mon, 16 Dec 2019 22:49:45 +0000 |
parents | 343ff337a19b |
children |
line wrap: on
line source
# lex_state1.py # # Bad state declaration import sys if ".." not in sys.path: sys.path.insert(0,"..") import ply.lex as lex tokens = [ "PLUS", "MINUS", "NUMBER", ] states = 'comment' t_PLUS = r'\+' t_MINUS = r'-' t_NUMBER = r'\d+' # Comments def t_comment(t): r'/\*' t.lexer.begin('comment') print("Entering comment state") def t_comment_body_part(t): r'(.|\n)*\*/' print("comment body %s" % t) t.lexer.begin('INITIAL') def t_error(t): pass lex.lex()