lex_token5.py revision 4479:61d3ed46e373 
1# lex_token.py
2#
3# Return a bad token name
4
5import sys
6sys.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'-'
18
19def t_NUMBER(t):
20    r'\d+'
21    t.type = "NUM"
22    return t
23
24def t_error(t):
25    pass
26
27sys.tracebacklimit = 0
28
29lex.lex()
30lex.input("1234")
31t = lex.token()
32
33
34