gem5/ext/ply/test/yacc_rr_unused.py
2009-08-16 13:39:58 -07:00

30 lines
552 B
Python

# -----------------------------------------------------------------------------
# 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()