view ply-3.8/test/lex_state_noerror.py @ 8897:c7b65d0fe2f2

<shachaf> ` ln -s relcome bin/\x0304w\x0308e\x0309l\x0311c\x0312o\x0313m\x0304e\x0f
author HackBot
date Thu, 04 Aug 2016 02:22:10 +0000
parents 343ff337a19b
children
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# lex_state_noerror.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'),)

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()