view ply-3.8/test/lex_state_norule.py @ 10174:03ab1a0909e2

<b_jonas> `` c=bin/scheme; >$c echo $\'#!/bin/sh\\nexec perl \\\'-ne/Scheme$/&&push@p,$p;$p=$_}{print$p[rand@p]\\\' share/mtg/allsets.txt\' && chmod -c a+x "$c"
author HackBot
date Fri, 27 Jan 2017 09:53:42 +0000
parents 343ff337a19b
children
line wrap: on
line source

# lex_state_norule.py
#
# Declaration of a state for which no rules are defined

import sys
if ".." not in sys.path: sys.path.insert(0,"..")

import ply.lex as lex

tokens = [ 
    "PLUS",
    "MINUS",
    "NUMBER",
    ]

states = (('comment', 'exclusive'),
          ('example', 'exclusive'))

t_PLUS = r'\+'
t_MINUS = r'-'
t_NUMBER = r'\d+'

# Comments
def t_comment(t):
    r'/\*'
    t.lexer.begin('comment')
    print("Entering comment state")

def t_comment_body_part(t):
    r'(.|\n)*\*/'
    print("comment body %s" % t)
    t.lexer.begin('INITIAL')

def t_error(t):
    pass


lex.lex()