blob: 1ca5f7e5b7baa0d638f64ae686b1691eba95c1f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
# -----------------------------------------------------------------------------
# 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()
|