commit ebfa339321f8a4df9d5011e591a615d5765107d5
author Ted Kremenek <kremenek@apple.com> Fri Mar 19 20:39:03 2010 +0000
committer Ted Kremenek <kremenek@apple.com> Fri Mar 19 20:39:03 2010 +0000
tree 8e7960f767cecac8de1a7a7e4003c11eb742c6f1
parent 86d07a11f164a5dc488842dc932c8fc587b35d4f

Make the CIndex API more resilient to being used on invalid code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98981 91177308-0d34-0410-b5e6-96231b3b80d8

tools/CIndex/CIndex.cpp

diff --git a/tools/CIndex/CIndex.cpp b/tools/CIndex/CIndex.cpp
index f20bb75..b3c585a 100644
--- a/tools/CIndex/CIndex.cpp
+++ b/tools/CIndex/CIndex.cpp
@@ -621,9 +621,10 @@
 }
 
 bool CursorVisitor::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
-  if (Visit(MakeCursorObjCClassRef(D->getCategoryDecl()->getClassInterface(),
-                                   D->getLocation(), TU)))
-    return true;
+  // 'ID' could be null when dealing with invalid code.
+  if (ObjCInterfaceDecl *ID = D->getClassInterface())
+    if (Visit(MakeCursorObjCClassRef(ID, D->getLocation(), TU)))
+      return true;
 
   return VisitObjCImplDecl(D);
 }