Adding gem5 source to svn.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

simulators/gem5/ext/ply/test/yacc_rr_unused.py

@@ -0,0 +1,30 @@
+# -----------------------------------------------------------------------------
+# 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()