view ply-3.8/test/lex_token5.py @ 12502:3cce1678f741 draft default tip

<b_jonas> learn The password of the month is making the garbage collector hard to implement with its unpredictable lifetime.
author HackEso <hackeso@esolangs.org>
date Mon, 01 Jul 2024 19:57:00 +0000
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()