view ply-3.8/test/lex_token5.py @ 9310:7f3b918cf56f

<oerjan> learn Logic is just another way the true Scotsman is keeping you down.
author HackBot
date Mon, 17 Oct 2016 01:19:01 +0000
parents 343ff337a19b
children
line wrap: on
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# lex_token5.py
#
# Return a bad token name

import sys
if ".." not in sys.path: sys.path.insert(0,"..")

import ply.lex as lex

tokens = [
    "PLUS",
    "MINUS",
    "NUMBER",
    ]

t_PLUS = r'\+'
t_MINUS = r'-'

def t_NUMBER(t):
    r'\d+'
    t.type = "NUM"
    return t

def t_error(t):
    pass

lex.lex()
lex.input("1234")
t = lex.token()