Mercurial > repo

view ply-3.8/test/lex_re2.py @ 8502:da219b3cc5ba

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<hppavilion[1]> learn HackEgo, also known as HackBot, is a bot that runs arbitrary commands on Unix. See `help for info on using it. You should totally try to hax0r it! Make sure you assume a spherical cow in a vacuum. HackEgo is the slowest bot in all Mexico!
author HackBot
date Thu, 16 Jun 2016 17:21:52 +0000
parents 343ff337a19b
children
line wrap: on
line source

# lex_re2.py
#
# Regular expression rule matches empty string

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):
    pass



lex.lex()