Hook up Sema support for attributes on Objective-C method declarations that

appear between the return type and the selector. This is a separate code path
from regular attribute processing, as we only want to (a) accept only a specific
set of attributes in this place and (b) want to distinguish to clients the
context in which an attribute was added to an ObjCMethodDecl.

Currently, the attribute 'objc_ownership_returns' is the only attribute that
uses this new feature. Shortly I will add a warning for 'objc_ownership_returns'
to be placed at the end of a method declaration.

llvm-svn: 70504

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaDeclObjC.cpp b/clang/lib/Sema/SemaDeclObjC.cpp
index 170efec5f37..61f62cd4bf7 100644
--- a/clang/lib/Sema/SemaDeclObjC.cpp
+++ b/clang/lib/Sema/SemaDeclObjC.cpp
@@ -1509,6 +1509,7 @@ Sema::DeclPtrTy Sema::ActOnMethodDeclaration(
     // from the Sel.getNumArgs().
     ObjCArgInfo *ArgInfo,
     llvm::SmallVectorImpl<Declarator> &Cdecls,
+    AttributeList *ReturnAttrList,                                             
     AttributeList *AttrList, tok::ObjCKeywordKind MethodDeclKind,
     bool isVariadic) {
   Decl *ClassDecl = classDecl.getAs<Decl>();
@@ -1590,6 +1591,9 @@ Sema::DeclPtrTy Sema::ActOnMethodDeclaration(
 
   if (AttrList)
     ProcessDeclAttributeList(ObjCMethod, AttrList);
+  
+  if (ReturnAttrList)
+    ProcessObjCMethDeclReturnAttributeList(ObjCMethod, ReturnAttrList);
  
   // For implementations (which can be very "coarse grain"), we add the 
   // method now. This allows the AST to implement lookup methods that work