view ply-3.8/test/lex_token5.py @ 11533:3318ef820619 draft

<oerjan> learn TMI is short for toenail mushroom infestation
author HackEso <hackeso@esolangs.org>
date Thu, 26 Apr 2018 21:48:14 +0100
parents 343ff337a19b
children
line wrap: on
line source

# 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()