Mercurial > repo

view ply-3.8/test/yacc_rr_unused.py @ 8650:4337d7793b19

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<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

# -----------------------------------------------------------------------------
# yacc_rr_unused.py
#
# A grammar with reduce/reduce conflicts and a rule that never
# gets reduced.
# -----------------------------------------------------------------------------
import sys

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

tokens = ('A', 'B', 'C')

def p_grammar(p):
   '''
   rule1 : rule2 B
         | rule2 C

   rule2 : rule3 B
         | rule4
         | rule5

   rule3 : A

   rule4 : A

   rule5 : A
   '''

yacc.yacc()