lex_state1.py (4479:61d3ed46e373) lex_state1.py (6498:e21e9ab5fad0)
1# lex_state1.py
2#
3# Bad state declaration
4
5import sys
1# lex_state1.py
2#
3# Bad state declaration
4
5import sys
6sys.path.insert(0,"..")
6if ".." not in sys.path: sys.path.insert(0,"..")
7
8import ply.lex as lex
9
7
8import ply.lex as lex
9
10tokens = [
10tokens = [
11 "PLUS",
12 "MINUS",
13 "NUMBER",
14 ]
15
16states = 'comment'
17
18t_PLUS = r'\+'
19t_MINUS = r'-'
20t_NUMBER = r'\d+'
21
22# Comments
23def t_comment(t):
24 r'/\*'
25 t.lexer.begin('comment')
11 "PLUS",
12 "MINUS",
13 "NUMBER",
14 ]
15
16states = 'comment'
17
18t_PLUS = r'\+'
19t_MINUS = r'-'
20t_NUMBER = r'\d+'
21
22# Comments
23def t_comment(t):
24 r'/\*'
25 t.lexer.begin('comment')
26 print "Entering comment state"
26 print("Entering comment state")
27
28def t_comment_body_part(t):
29 r'(.|\n)*\*/'
27
28def t_comment_body_part(t):
29 r'(.|\n)*\*/'
30 print "comment body", t
30 print("comment body %s" % t)
31 t.lexer.begin('INITIAL')
32
33def t_error(t):
34 pass
35
31 t.lexer.begin('INITIAL')
32
33def t_error(t):
34 pass
35
36import sys
37
36
37
38lex.lex()
39
40
38lex.lex()
39
40