[libclang] Indexing API: make sure we do not try to index local declarations.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144764 91177308-0d34-0410-b5e6-96231b3b80d8

tools/libclang/IndexBody.cpp

@@ -32,35 +32,18 @@ public:
   }
 
   bool VisitDeclRefExpr(DeclRefExpr *E) {
-    const NamedDecl *D = E->getDecl();
-    if (!D)
-      return true;
-    if (D->getParentFunctionOrMethod())
-      return true;
-    
-    IndexCtx.handleReference(D, E->getLocation(), 0, ParentDC, E);
+    IndexCtx.handleReference(E->getDecl(), E->getLocation(), 0, ParentDC, E);
     return true;
   }
 
   bool VisitMemberExpr(MemberExpr *E) {
-    const NamedDecl *D = E->getMemberDecl();
-    if (!D)
-      return true;
-    if (D->getParentFunctionOrMethod())
-      return true;
-    
-    IndexCtx.handleReference(D, E->getMemberLoc(), 0, ParentDC, E);
+    IndexCtx.handleReference(E->getMemberDecl(), E->getMemberLoc(), 0, ParentDC,
+                             E);
     return true;
   }
 
   bool VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
-    const NamedDecl *D = E->getDecl();
-    if (!D)
-      return true;
-    if (D->getParentFunctionOrMethod())
-      return true;
-    
-    IndexCtx.handleReference(D, E->getLocation(), 0, ParentDC, E);
+    IndexCtx.handleReference(E->getDecl(), E->getLocation(), 0, ParentDC, E);
     return true;
   }
 

tools/libclang/IndexTypeSourceInfo.cpp

@@ -36,6 +36,8 @@ public:
 
   bool VisitTagTypeLoc(TagTypeLoc TL) {
     TagDecl *D = TL.getDecl();
+    if (D->getParentFunctionOrMethod())
+      return true;
 
     if (TL.isDefinition()) {
       IndexCtx.indexTagDecl(D);

tools/libclang/IndexingContext.cpp

@@ -283,6 +283,10 @@ void IndexingContext::handleReference(const NamedDecl *D, SourceLocation Loc,
                                       const DeclContext *DC,
                                       const Expr *E,
                                       CXIdxEntityRefKind Kind) {
+  if (!D)
+    return;
+  if (D->getParentFunctionOrMethod())
+    return;
   if (Loc.isInvalid())
     return;
   if (!CB.indexEntityReference)