Mercurial > repo

view ply-3.8/test/lex_re3.py @ 12046:e37d658a85e2 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<oerjan> learn nur "command argument" is a convenience wrapper for invoking user-given commands with the same argument splitting as HackEso\'s top level. (Mnemonic: opposite of `run)
author HackEso <hackeso@esolangs.org>
date Sat, 16 Nov 2019 04:19:47 +0000
parents 343ff337a19b
children
line wrap: on
line source

# lex_re3.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",
    "POUND",
    ]

t_PLUS = r'\+'
t_MINUS = r'-'
t_NUMBER = r'(\d+)'
t_POUND = r'#'

def t_error(t):
    pass



lex.lex()