view ply-3.8/test/lex_error4.py @ 11461:2fde49626605 draft

<fizzie> learn HackEso is almost but not quite unlike HackEgo.
author hackeso@dysnomia.zem.fi
date Sat, 07 Apr 2018 23:42:32 +0100
parents 343ff337a19b
children
line wrap: on
line source

# lex_error4.py
#
# t_error defined as function, but too many args

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'-'
t_NUMBER = r'\d+'

def t_error(t,s):
    pass



lex.lex()