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view ply-3.8/test/yacc_rr_unused.py @ 12293:979759d9d291 draft
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author | HackEso <hackeso@esolangs.org> |
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date | Thu, 02 Jan 2020 15:44:55 +0000 |
parents | 343ff337a19b |
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# ----------------------------------------------------------------------------- # 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()