From f9371395300cc20d7a302e647de9ecda4bdf6b7e Mon Sep 17 00:00:00 2001
From: Alex Lorenz <arphaman@gmail.com>
Date: Thu, 23 Mar 2017 11:44:25 +0000
Subject: Support attributes for Objective-C categories

rdar://31095315

Differential Revision: https://reviews.llvm.org/D31179

llvm-svn: 298589
---
 clang/lib/Sema/SemaDeclObjC.cpp | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'clang/lib/Sema')

diff --git a/clang/lib/Sema/SemaDeclObjC.cpp b/clang/lib/Sema/SemaDeclObjC.cpp
index b43e5b9e327..e50f8b20677 100644
--- a/clang/lib/Sema/SemaDeclObjC.cpp
+++ b/clang/lib/Sema/SemaDeclObjC.cpp
@@ -258,7 +258,8 @@ static void DiagnoseObjCImplementedDeprecations(Sema &S,
       S.Diag(ND->getLocation(), diag::note_method_declared_at)
         << ND->getDeclName();
     else
-      S.Diag(ND->getLocation(), diag::note_previous_decl) << "class";
+      S.Diag(ND->getLocation(), diag::note_previous_decl)
+          << (isa<ObjCCategoryDecl>(ND) ? "category" : "class");
   }
 }
 
@@ -1724,7 +1725,8 @@ ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc,
                             Decl * const *ProtoRefs,
                             unsigned NumProtoRefs,
                             const SourceLocation *ProtoLocs,
-                            SourceLocation EndProtoLoc) {
+                            SourceLocation EndProtoLoc,
+                            AttributeList *AttrList) {
   ObjCCategoryDecl *CDecl;
   ObjCInterfaceDecl *IDecl = getObjCInterfaceDecl(ClassName, ClassLoc, true);
 
@@ -1801,6 +1803,9 @@ ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc,
                                             NumProtoRefs, Context); 
   }
 
+  if (AttrList)
+    ProcessDeclAttributeList(TUScope, CDecl, AttrList);
+
   CheckObjCDeclScope(CDecl);
   return ActOnObjCContainerStartDefinition(CDecl);
 }
@@ -1865,9 +1870,10 @@ Decl *Sema::ActOnStartCategoryImplementation(
       CatIDecl->setImplementation(CDecl);
       // Warn on implementating category of deprecated class under 
       // -Wdeprecated-implementations flag.
-      DiagnoseObjCImplementedDeprecations(*this, 
-                                          dyn_cast<NamedDecl>(IDecl), 
-                                          CDecl->getLocation(), 2);
+      DiagnoseObjCImplementedDeprecations(
+          *this,
+          CatIDecl->isDeprecated() ? CatIDecl : dyn_cast<NamedDecl>(IDecl),
+          CDecl->getLocation(), 2);
     }
   }
 
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