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annotate ply-3.8/test/yacc_rr_unused.py @ 12254:616be78bd12e draft

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<oerjan> revert
author HackEso <hackeso@esolangs.org>
date Fri, 06 Dec 2019 07:54:58 +0000
parents 343ff337a19b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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7267
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1 # -----------------------------------------------------------------------------
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2 # yacc_rr_unused.py
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3 #
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4 # A grammar with reduce/reduce conflicts and a rule that never
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5 # gets reduced.
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6 # -----------------------------------------------------------------------------
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7 import sys
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8
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9 if ".." not in sys.path: sys.path.insert(0,"..")
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10 import ply.yacc as yacc
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11
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12 tokens = ('A', 'B', 'C')
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13
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14 def p_grammar(p):
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15 '''
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16 rule1 : rule2 B
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17 | rule2 C
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18
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19 rule2 : rule3 B
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20 | rule4
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21 | rule5
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22
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23 rule3 : A
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24
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25 rule4 : A
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26
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27 rule5 : A
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28 '''
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29
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30 yacc.yacc()