Keep the source location of the selector in ObjCMessageExpr.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121516 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 9439d68..93ebb70 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -2211,6 +2211,7 @@
                                  bool IsInstanceSuper,
                                  QualType SuperType,
                                  Selector Sel, 
+                                 SourceLocation SelLoc,
                                  ObjCMethodDecl *Method,
                                  Expr **Args, unsigned NumArgs,
                                  SourceLocation RBracLoc)
@@ -2220,7 +2221,7 @@
     HasMethod(Method != 0), SuperLoc(SuperLoc),
     SelectorOrMethod(reinterpret_cast<uintptr_t>(Method? Method
                                                        : Sel.getAsOpaquePtr())),
-    LBracLoc(LBracLoc), RBracLoc(RBracLoc) 
+    SelectorLoc(SelLoc), LBracLoc(LBracLoc), RBracLoc(RBracLoc) 
 {
   setReceiverPointer(SuperType.getAsOpaquePtr());
   if (NumArgs)
@@ -2231,7 +2232,8 @@
                                  ExprValueKind VK,
                                  SourceLocation LBracLoc,
                                  TypeSourceInfo *Receiver,
-                                 Selector Sel, 
+                                 Selector Sel,
+                                 SourceLocation SelLoc,
                                  ObjCMethodDecl *Method,
                                  Expr **Args, unsigned NumArgs,
                                  SourceLocation RBracLoc)
@@ -2241,7 +2243,7 @@
     NumArgs(NumArgs), Kind(Class), HasMethod(Method != 0),
     SelectorOrMethod(reinterpret_cast<uintptr_t>(Method? Method
                                                        : Sel.getAsOpaquePtr())),
-    LBracLoc(LBracLoc), RBracLoc(RBracLoc) 
+    SelectorLoc(SelLoc), LBracLoc(LBracLoc), RBracLoc(RBracLoc) 
 {
   setReceiverPointer(Receiver);
   if (NumArgs)
@@ -2253,6 +2255,7 @@
                                  SourceLocation LBracLoc,
                                  Expr *Receiver,
                                  Selector Sel, 
+                                 SourceLocation SelLoc,
                                  ObjCMethodDecl *Method,
                                  Expr **Args, unsigned NumArgs,
                                  SourceLocation RBracLoc)
@@ -2262,7 +2265,7 @@
     NumArgs(NumArgs), Kind(Instance), HasMethod(Method != 0),
     SelectorOrMethod(reinterpret_cast<uintptr_t>(Method? Method
                                                        : Sel.getAsOpaquePtr())),
-    LBracLoc(LBracLoc), RBracLoc(RBracLoc) 
+    SelectorLoc(SelLoc), LBracLoc(LBracLoc), RBracLoc(RBracLoc) 
 {
   setReceiverPointer(Receiver);
   if (NumArgs)
@@ -2276,6 +2279,7 @@
                                          bool IsInstanceSuper,
                                          QualType SuperType,
                                          Selector Sel, 
+                                         SourceLocation SelLoc,
                                          ObjCMethodDecl *Method,
                                          Expr **Args, unsigned NumArgs,
                                          SourceLocation RBracLoc) {
@@ -2283,7 +2287,7 @@
     NumArgs * sizeof(Expr *);
   void *Mem = Context.Allocate(Size, llvm::AlignOf<ObjCMessageExpr>::Alignment);
   return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, SuperLoc, IsInstanceSuper,
-                                   SuperType, Sel, Method, Args, NumArgs, 
+                                   SuperType, Sel, SelLoc, Method, Args,NumArgs, 
                                    RBracLoc);
 }
 
@@ -2292,29 +2296,31 @@
                                          SourceLocation LBracLoc,
                                          TypeSourceInfo *Receiver,
                                          Selector Sel, 
+                                         SourceLocation SelLoc,
                                          ObjCMethodDecl *Method,
                                          Expr **Args, unsigned NumArgs,
                                          SourceLocation RBracLoc) {
   unsigned Size = sizeof(ObjCMessageExpr) + sizeof(void *) + 
     NumArgs * sizeof(Expr *);
   void *Mem = Context.Allocate(Size, llvm::AlignOf<ObjCMessageExpr>::Alignment);
-  return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, Method, Args,
-                                   NumArgs, RBracLoc);
+  return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, SelLoc,
+                                   Method, Args, NumArgs, RBracLoc);
 }
 
 ObjCMessageExpr *ObjCMessageExpr::Create(ASTContext &Context, QualType T,
                                          ExprValueKind VK,
                                          SourceLocation LBracLoc,
                                          Expr *Receiver,
-                                         Selector Sel, 
+                                         Selector Sel,
+                                         SourceLocation SelLoc,
                                          ObjCMethodDecl *Method,
                                          Expr **Args, unsigned NumArgs,
                                          SourceLocation RBracLoc) {
   unsigned Size = sizeof(ObjCMessageExpr) + sizeof(void *) + 
     NumArgs * sizeof(Expr *);
   void *Mem = Context.Allocate(Size, llvm::AlignOf<ObjCMessageExpr>::Alignment);
-  return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, Method, Args, 
-                                   NumArgs, RBracLoc);
+  return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, SelLoc,
+                                   Method, Args, NumArgs, RBracLoc);
 }
 
 ObjCMessageExpr *ObjCMessageExpr::CreateEmpty(ASTContext &Context, 
diff --git a/lib/Rewrite/RewriteObjC.cpp b/lib/Rewrite/RewriteObjC.cpp
index d689f22..0d38811 100644
--- a/lib/Rewrite/RewriteObjC.cpp
+++ b/lib/Rewrite/RewriteObjC.cpp
@@ -1228,10 +1228,12 @@
   bool Super = false;
   QualType SuperTy;
   SourceLocation SuperLocation;
+  SourceLocation SelectorLoc;
   // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr or ObjCImplicitSetterGetterRefExpr.
   // This allows us to reuse all the fun and games in SynthMessageExpr().
   if (ObjCPropertyRefExpr *PropRefExpr =
         dyn_cast<ObjCPropertyRefExpr>(BinOp->getLHS())) {
+    SelectorLoc = PropRefExpr->getLocation();
     if (PropRefExpr->isExplicitProperty()) {
       ObjCPropertyDecl *PDecl = PropRefExpr->getExplicitProperty();
       OMD = PDecl->getSetterMethodDecl();
@@ -1264,7 +1266,7 @@
                                       SuperLocation,
                                       /*IsInstanceSuper=*/true,
                                       SuperTy,
-                                      Sel, OMD,
+                                      Sel, SelectorLoc, OMD,
                                       &ExprVec[0], 1,
                                       /*FIXME:*/SourceLocation());
   else {
@@ -1281,7 +1283,7 @@
                                       Expr::getValueKindForType(Ty),
                                       /*FIXME: */SourceLocation(),
                                       cast<Expr>(Receiver),
-                                      Sel, OMD,
+                                      Sel, SelectorLoc, OMD,
                                       &ExprVec[0], 1,
                                       /*FIXME:*/SourceLocation());
   }
@@ -1306,8 +1308,10 @@
   bool Super = false;
   QualType SuperTy;
   SourceLocation SuperLocation;
+  SourceLocation SelectorLoc;
   if (ObjCPropertyRefExpr *PropRefExpr = 
         dyn_cast<ObjCPropertyRefExpr>(PropOrGetterRefExpr)) {
+    SelectorLoc = PropRefExpr->getLocation();
     if (PropRefExpr->isExplicitProperty()) {
       ObjCPropertyDecl *PDecl = PropRefExpr->getExplicitProperty();
       OMD = PDecl->getGetterMethodDecl();
@@ -1338,7 +1342,7 @@
                                       SuperLocation,
                                       /*IsInstanceSuper=*/true,
                                       SuperTy,
-                                      Sel, OMD,
+                                      Sel, SelectorLoc, OMD,
                                       0, 0, 
                                       /*FIXME:*/SourceLocation());
   else {
@@ -1352,7 +1356,7 @@
                                       Expr::getValueKindForType(Ty),
                                       /*FIXME:*/SourceLocation(),
                                       cast<Expr>(Receiver),
-                                      Sel, OMD,
+                                      Sel, SelectorLoc, OMD,
                                       0, 0, 
                                       /*FIXME:*/SourceLocation());
   }
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index d63b228..5d5e8a5 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -716,16 +716,16 @@
     QualType SuperTy = Context.getObjCInterfaceType(Super);
     SuperTy = Context.getObjCObjectPointerType(SuperTy);
     return BuildInstanceMessage(0, SuperTy, SuperLoc,
-                                Sel, /*Method=*/0, LBracLoc, RBracLoc, 
-                                move(Args));
+                                Sel, /*Method=*/0,
+                                LBracLoc, SelectorLoc, RBracLoc, move(Args));
   }
   
   // Since we are in a class method, this is a class message to
   // the superclass.
   return BuildClassMessage(/*ReceiverTypeInfo=*/0,
                            Context.getObjCInterfaceType(Super),
-                           SuperLoc, Sel, /*Method=*/0, LBracLoc, RBracLoc, 
-                           move(Args));
+                           SuperLoc, Sel, /*Method=*/0,
+                           LBracLoc, SelectorLoc, RBracLoc, move(Args));
 }
 
 /// \brief Build an Objective-C class message expression.
@@ -762,6 +762,7 @@
                                    Selector Sel,
                                    ObjCMethodDecl *Method,
                                    SourceLocation LBracLoc, 
+                                   SourceLocation SelectorLoc,
                                    SourceLocation RBracLoc,
                                    MultiExprArg ArgsIn) {
   SourceLocation Loc = SuperLoc.isValid()? SuperLoc
@@ -780,7 +781,7 @@
     assert(SuperLoc.isInvalid() && "Message to super with dependent type");
     return Owned(ObjCMessageExpr::Create(Context, ReceiverType,
                                          VK_RValue, LBracLoc, ReceiverTypeInfo,
-                                         Sel, /*Method=*/0,
+                                         Sel, SelectorLoc, /*Method=*/0,
                                          Args, NumArgs, RBracLoc));
   }
   
@@ -831,12 +832,12 @@
   if (SuperLoc.isValid())
     Result = ObjCMessageExpr::Create(Context, ReturnType, VK, LBracLoc, 
                                      SuperLoc, /*IsInstanceSuper=*/false, 
-                                     ReceiverType, Sel, Method, Args, 
-                                     NumArgs, RBracLoc);
+                                     ReceiverType, Sel, SelectorLoc,
+                                     Method, Args, NumArgs, RBracLoc);
   else
     Result = ObjCMessageExpr::Create(Context, ReturnType, VK, LBracLoc, 
-                                     ReceiverTypeInfo, Sel, Method, Args, 
-                                     NumArgs, RBracLoc);
+                                     ReceiverTypeInfo, Sel, SelectorLoc,
+                                     Method, Args, NumArgs, RBracLoc);
   return MaybeBindToTemporary(Result);
 }
 
@@ -861,7 +862,7 @@
 
   return BuildClassMessage(ReceiverTypeInfo, ReceiverType, 
                            /*SuperLoc=*/SourceLocation(), Sel, /*Method=*/0,
-                           LBracLoc, RBracLoc, move(Args));
+                           LBracLoc, SelectorLoc, RBracLoc, move(Args));
 }
 
 /// \brief Build an Objective-C instance message expression.
@@ -893,13 +894,14 @@
 ///
 /// \param Args The message arguments.
 ExprResult Sema::BuildInstanceMessage(Expr *Receiver,
-                                                  QualType ReceiverType,
-                                                  SourceLocation SuperLoc,
-                                                  Selector Sel,
-                                                  ObjCMethodDecl *Method,
-                                                  SourceLocation LBracLoc, 
-                                                  SourceLocation RBracLoc,
-                                                  MultiExprArg ArgsIn) {
+                                      QualType ReceiverType,
+                                      SourceLocation SuperLoc,
+                                      Selector Sel,
+                                      ObjCMethodDecl *Method,
+                                      SourceLocation LBracLoc, 
+                                      SourceLocation SelectorLoc,
+                                      SourceLocation RBracLoc,
+                                      MultiExprArg ArgsIn) {
   // The location of the receiver.
   SourceLocation Loc = SuperLoc.isValid()? SuperLoc : Receiver->getLocStart();
   
@@ -920,8 +922,8 @@
       assert(SuperLoc.isInvalid() && "Message to super with dependent type");
       return Owned(ObjCMessageExpr::Create(Context, Context.DependentTy,
                                            VK_RValue, LBracLoc, Receiver, Sel, 
-                                           /*Method=*/0, Args, NumArgs, 
-                                           RBracLoc));
+                                           SelectorLoc, /*Method=*/0,
+                                           Args, NumArgs, RBracLoc));
     }
 
     // If necessary, apply function/array conversion to the receiver.
@@ -1064,7 +1066,8 @@
                                     SuperLoc,
                                     Sel,
                                     Method,
-                                    LBracLoc, 
+                                    LBracLoc,
+                                    SelectorLoc,
                                     RBracLoc,
                                     move(ArgsIn));
       } else {
@@ -1098,12 +1101,12 @@
   if (SuperLoc.isValid())
     Result = ObjCMessageExpr::Create(Context, ReturnType, VK, LBracLoc,
                                      SuperLoc,  /*IsInstanceSuper=*/true,
-                                     ReceiverType, Sel, Method, 
+                                     ReceiverType, Sel, SelectorLoc, Method, 
                                      Args, NumArgs, RBracLoc);
   else
     Result = ObjCMessageExpr::Create(Context, ReturnType, VK, LBracLoc,
-                                     Receiver, 
-                                     Sel, Method, Args, NumArgs, RBracLoc);
+                                     Receiver, Sel, SelectorLoc, Method,
+                                     Args, NumArgs, RBracLoc);
   return MaybeBindToTemporary(Result);
 }
 
@@ -1122,6 +1125,6 @@
 
   return BuildInstanceMessage(Receiver, Receiver->getType(),
                               /*SuperLoc=*/SourceLocation(), Sel, /*Method=*/0, 
-                              LBracLoc, RBracLoc, move(Args));
+                              LBracLoc, SelectorLoc, RBracLoc, move(Args));
 }
 
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h
index 9f6f84b..f4a4ae2 100644
--- a/lib/Sema/TreeTransform.h
+++ b/lib/Sema/TreeTransform.h
@@ -1815,6 +1815,7 @@
   /// \brief Build a new Objective-C class message.
   ExprResult RebuildObjCMessageExpr(TypeSourceInfo *ReceiverTypeInfo,
                                           Selector Sel,
+                                          SourceLocation SelectorLoc,
                                           ObjCMethodDecl *Method,
                                           SourceLocation LBracLoc, 
                                           MultiExprArg Args,
@@ -1822,13 +1823,14 @@
     return SemaRef.BuildClassMessage(ReceiverTypeInfo,
                                      ReceiverTypeInfo->getType(),
                                      /*SuperLoc=*/SourceLocation(),
-                                     Sel, Method, LBracLoc, RBracLoc,
-                                     move(Args));
+                                     Sel, Method, LBracLoc, SelectorLoc,
+                                     RBracLoc, move(Args));
   }
 
   /// \brief Build a new Objective-C instance message.
   ExprResult RebuildObjCMessageExpr(Expr *Receiver,
                                           Selector Sel,
+                                          SourceLocation SelectorLoc,
                                           ObjCMethodDecl *Method,
                                           SourceLocation LBracLoc, 
                                           MultiExprArg Args,
@@ -1836,8 +1838,8 @@
     return SemaRef.BuildInstanceMessage(Receiver,
                                         Receiver->getType(),
                                         /*SuperLoc=*/SourceLocation(),
-                                        Sel, Method, LBracLoc, RBracLoc,
-                                        move(Args));
+                                        Sel, Method, LBracLoc, SelectorLoc,
+                                        RBracLoc, move(Args));
   }
 
   /// \brief Build a new Objective-C ivar reference expression.
@@ -6165,6 +6167,7 @@
     // Build a new class message send.
     return getDerived().RebuildObjCMessageExpr(ReceiverTypeInfo,
                                                E->getSelector(),
+                                               E->getSelectorLoc(),
                                                E->getMethodDecl(),
                                                E->getLeftLoc(),
                                                move_arg(Args),
@@ -6187,6 +6190,7 @@
   // Build a new instance message send.
   return getDerived().RebuildObjCMessageExpr(Receiver.get(),
                                              E->getSelector(),
+                                             E->getSelectorLoc(),
                                              E->getMethodDecl(),
                                              E->getLeftLoc(),
                                              move_arg(Args),
diff --git a/lib/Serialization/ASTReaderStmt.cpp b/lib/Serialization/ASTReaderStmt.cpp
index ab9d677..353477d 100644
--- a/lib/Serialization/ASTReaderStmt.cpp
+++ b/lib/Serialization/ASTReaderStmt.cpp
@@ -897,8 +897,9 @@
   else
     E->setSelector(Reader.GetSelector(Record, Idx));
 
-  E->setLeftLoc(ReadSourceLocation(Record, Idx));
-  E->setRightLoc(ReadSourceLocation(Record, Idx));
+  E->LBracLoc = ReadSourceLocation(Record, Idx);
+  E->RBracLoc = ReadSourceLocation(Record, Idx);
+  E->SelectorLoc = ReadSourceLocation(Record, Idx);
 
   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
     E->setArg(I, Reader.ReadSubExpr());
diff --git a/lib/Serialization/ASTWriterStmt.cpp b/lib/Serialization/ASTWriterStmt.cpp
index 99599a7..35b096e 100644
--- a/lib/Serialization/ASTWriterStmt.cpp
+++ b/lib/Serialization/ASTWriterStmt.cpp
@@ -870,6 +870,7 @@
     
   Writer.AddSourceLocation(E->getLeftLoc(), Record);
   Writer.AddSourceLocation(E->getRightLoc(), Record);
+  Writer.AddSourceLocation(E->getSelectorLoc(), Record);
 
   for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
        Arg != ArgEnd; ++Arg)