commit 53d2dc4045f6793d166b2806d7726c45cdea74e4
author Christian Heimes <christian@cheimes.de> Mon Jul 22 10:30:14 2013 +0200
committer Christian Heimes <christian@cheimes.de> Mon Jul 22 10:30:14 2013 +0200
tree fa105ed32a04c595ddf311dd81ee400ff5535f5f
parent 43d82df406114223c70961f0774d622536a0629d

Add sanity check to PyGrammar_LabelRepr() in order to catch invalid tokens when debugging
a new grammar.
CID 715360

Parser/grammar1.c

diff --git a/Parser/grammar1.c b/Parser/grammar1.c
index 1f7d264..17e2ba9 100644
--- a/Parser/grammar1.c
+++ b/Parser/grammar1.c
@@ -45,7 +45,7 @@
         else
             return lb->lb_str;
     }
-    else {
+    else if (lb->lb_type < N_TOKENS) {
         if (lb->lb_str == NULL)
             return _PyParser_TokenNames[lb->lb_type];
         else {
@@ -54,4 +54,7 @@
             return buf;
         }
     }
+    else {
+        Py_FatalError("invalid label");
+    }
 }