Mercurial > repo
view ply-3.8/test/lex_opt_alias.py @ 8650:4337d7793b19
<izabera> ` echo \'f="$(find wisdom -ipath "wisdom/*$1*" -type f -print0 | shuf -z -n1); echo -n "${f#wisdom/}//" | rnooooooodl; rnoooooooodl < "$f"\' > bin/wisdom
author | HackBot |
---|---|
date | Wed, 29 Jun 2016 00:26:03 +0000 |
parents | 343ff337a19b |
children |
line wrap: on
line source
# ----------------------------------------------------------------------------- # lex_opt_alias.py # # Tests ability to match up functions with states, aliases, and # lexing tables. # ----------------------------------------------------------------------------- import sys if ".." not in sys.path: sys.path.insert(0,"..") tokens = ( 'NAME','NUMBER', ) states = (('instdef','inclusive'),('spam','exclusive')) literals = ['=','+','-','*','/', '(',')'] # Tokens def t_instdef_spam_BITS(t): r'[01-]+' return t t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' def NUMBER(t): r'\d+' try: t.value = int(t.value) except ValueError: print("Integer value too large %s" % t.value) t.value = 0 return t t_ANY_NUMBER = NUMBER t_ignore = " \t" t_spam_ignore = t_ignore def t_newline(t): r'\n+' t.lexer.lineno += t.value.count("\n") def t_error(t): print("Illegal character '%s'" % t.value[0]) t.lexer.skip(1) t_spam_error = t_error # Build the lexer import ply.lex as lex lex.lex(optimize=1,lextab="aliastab") lex.runmain(data="3+4")