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view ply-3.8/test/lex_state2.py @ 10938:09d53ad4fd49
<oerjan> learn `help [<command>] gives HackEgo\'s default help message, or help for a specific command. Or currently possibly some other wisdom.
author | HackBot |
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date | Sun, 21 May 2017 00:38:03 +0000 |
parents | 343ff337a19b |
children |
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# lex_state2.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','example') 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()