Handle references from ObjCIvarRefExprs.

llvm-svn: 76507

clang/lib/Index/ASTLocation.cpp

@@ -16,6 +16,7 @@
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/Stmt.h"
 #include "clang/AST/Expr.h"
+#include "clang/AST/ExprObjC.h"
 using namespace clang;
 using namespace idx;
 
@@ -24,6 +25,9 @@ static Decl *getDeclFromExpr(Stmt *E) {
     return RefExpr->getDecl();
   if (MemberExpr *ME = dyn_cast<MemberExpr>(E))
     return ME->getMemberDecl();
+  if (ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
+    return RE->getDecl();
+
   if (CallExpr *CE = dyn_cast<CallExpr>(E))
     return getDeclFromExpr(CE->getCallee());
   if (CastExpr *CE = dyn_cast<CastExpr>(E))

clang/lib/Index/DeclReferenceMap.cpp

@@ -35,6 +35,7 @@ public:
   void VisitDeclStmt(DeclStmt *Node);
   void VisitDeclRefExpr(DeclRefExpr *Node);
   void VisitMemberExpr(MemberExpr *Node);
+  void VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node);
   void VisitStmt(Stmt *Node);
 };
 
@@ -48,6 +49,7 @@ public:
   void VisitDeclContext(DeclContext *DC);
   void VisitVarDecl(VarDecl *D);
   void VisitFunctionDecl(FunctionDecl *D);
+  void VisitObjCMethodDecl(ObjCMethodDecl *D);
   void VisitBlockDecl(BlockDecl *D);
   void VisitDecl(Decl *D);
 };
@@ -75,6 +77,10 @@ void StmtMapper::VisitMemberExpr(MemberExpr *Node) {
   Map.insert(std::make_pair(PrimD, ASTLocation(Parent, Node)));
 }
 
+void StmtMapper::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
+  Map.insert(std::make_pair(Node->getDecl(), ASTLocation(Parent, Node)));
+}
+
 void StmtMapper::VisitStmt(Stmt *Node) {
   for (Stmt::child_iterator
          I = Node->child_begin(), E = Node->child_end(); I != E; ++I)
@@ -92,10 +98,13 @@ void DeclMapper::VisitDeclContext(DeclContext *DC) {
 }
 
 void DeclMapper::VisitFunctionDecl(FunctionDecl *D) {
-  if (!D->isThisDeclarationADefinition())
-    return;
-  
-  StmtMapper(Map, D).Visit(D->getBody());
+  if (D->isThisDeclarationADefinition())
+    StmtMapper(Map, D).Visit(D->getBody());
+}
+
+void DeclMapper::VisitObjCMethodDecl(ObjCMethodDecl *D) {
+  if (D->getBody())
+    StmtMapper(Map, D).Visit(D->getBody());
 }
 
 void DeclMapper::VisitBlockDecl(BlockDecl *D) {