1# lex_error3.py
2#
3# t_error defined as function, but with wrong # args
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
16t_PLUS = r'\+'
17t_MINUS = r'-'
18t_NUMBER = r'\d+'
19
20def t_error():
21 pass
22
23
24
25lex.lex()
26
27