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comparison ply-3.8/test/lex_state3.py @ 7267:343ff337a19b

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author HackBot
date Wed, 23 Mar 2016 02:40:16 +0000
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7266:61a39a120dee 7267:343ff337a19b
1 # lex_state3.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 comment = 1
17 states = ((comment, 'inclusive'),
18 ('example', 'exclusive'))
19
20 t_PLUS = r'\+'
21 t_MINUS = r'-'
22 t_NUMBER = r'\d+'
23
24 # Comments
25 def t_comment(t):
26 r'/\*'
27 t.lexer.begin('comment')
28 print("Entering comment state")
29
30 def t_comment_body_part(t):
31 r'(.|\n)*\*/'
32 print("comment body %s" % t)
33 t.lexer.begin('INITIAL')
34
35 def t_error(t):
36 pass
37
38
39
40 lex.lex()
41
42