1# lex_state2.py
2#
3# Bad state declaration
4
5import sys
6if ".." not in sys.path: sys.path.insert(0,"..")
7
8import ply.lex as lex
9
10tokens = [
11    "PLUS",
12    "MINUS",
13    "NUMBER",
14    ]
15
16states = ('comment','example')
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")
27
28def t_comment_body_part(t):
29    r'(.|\n)*\*/'
30    print("comment body %s" % t)
31    t.lexer.begin('INITIAL')
32
33def t_error(t):
34    pass
35
36
37
38lex.lex()
39
40
41