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comparison ply-3.8/test/lex_state2.py @ 7267:343ff337a19b
<ais523> ` tar -xf ply-3.8.tar.gz
author | HackBot |
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date | Wed, 23 Mar 2016 02:40:16 +0000 |
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7266:61a39a120dee | 7267:343ff337a19b |
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1 # lex_state2.py | |
2 # | |
3 # Bad state declaration | |
4 | |
5 import sys | |
6 if ".." not in sys.path: sys.path.insert(0,"..") | |
7 | |
8 import ply.lex as lex | |
9 | |
10 tokens = [ | |
11 "PLUS", | |
12 "MINUS", | |
13 "NUMBER", | |
14 ] | |
15 | |
16 states = ('comment','example') | |
17 | |
18 t_PLUS = r'\+' | |
19 t_MINUS = r'-' | |
20 t_NUMBER = r'\d+' | |
21 | |
22 # Comments | |
23 def t_comment(t): | |
24 r'/\*' | |
25 t.lexer.begin('comment') | |
26 print("Entering comment state") | |
27 | |
28 def t_comment_body_part(t): | |
29 r'(.|\n)*\*/' | |
30 print("comment body %s" % t) | |
31 t.lexer.begin('INITIAL') | |
32 | |
33 def t_error(t): | |
34 pass | |
35 | |
36 | |
37 | |
38 lex.lex() | |
39 | |
40 |