From a8c2a0b0b24d915a2e8fcfaf9cdc01aafc7c0b9c Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Mon, 30 Mar 2015 23:30:24 +0000
Subject: [Objective-C patch]. Amend TransformObjCMessageExpr to handle call to
 'super' of instance/class methods and not assert. rdar://20350364

llvm-svn: 233642
---
 clang/lib/Sema/TreeTransform.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'clang/lib/Sema/TreeTransform.h')

diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 1b0080a05fe..6116a78dc7b 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -2623,6 +2623,31 @@ public:
                                         RBracLoc, Args);
   }
 
+  /// \brief Build a new Objective-C instance/class message to 'super'.
+  ExprResult RebuildObjCMessageExpr(SourceLocation SuperLoc,
+                                    Selector Sel,
+                                    ArrayRef<SourceLocation> SelectorLocs,
+                                    ObjCMethodDecl *Method,
+                                    SourceLocation LBracLoc,
+                                    MultiExprArg Args,
+                                    SourceLocation RBracLoc) {
+    ObjCInterfaceDecl *Class = Method->getClassInterface();
+    QualType ReceiverTy = SemaRef.Context.getObjCInterfaceType(Class);
+    
+    return Method->isInstanceMethod() ? SemaRef.BuildInstanceMessage(nullptr,
+                                          ReceiverTy,
+                                          SuperLoc,
+                                          Sel, Method, LBracLoc, SelectorLocs,
+                                          RBracLoc, Args)
+                                      : SemaRef.BuildClassMessage(nullptr,
+                                          ReceiverTy,
+                                          SuperLoc,
+                                          Sel, Method, LBracLoc, SelectorLocs,
+                                          RBracLoc, Args);
+
+      
+  }
+
   /// \brief Build a new Objective-C ivar reference expression.
   ///
   /// By default, performs semantic analysis to build the new expression.
@@ -10047,6 +10072,19 @@ TreeTransform<Derived>::TransformObjCMessageExpr(ObjCMessageExpr *E) {
                                                Args,
                                                E->getRightLoc());
   }
+  else if (E->getReceiverKind() == ObjCMessageExpr::SuperClass ||
+           E->getReceiverKind() == ObjCMessageExpr::SuperInstance) {
+    // Build a new class message send to 'super'.
+    SmallVector<SourceLocation, 16> SelLocs;
+    E->getSelectorLocs(SelLocs);
+    return getDerived().RebuildObjCMessageExpr(E->getSuperLoc(),
+                                               E->getSelector(),
+                                               SelLocs,
+                                               E->getMethodDecl(),
+                                               E->getLeftLoc(),
+                                               Args,
+                                               E->getRightLoc());
+  }
 
   // Instance message: transform the receiver
   assert(E->getReceiverKind() == ObjCMessageExpr::Instance &&
-- 
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