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/Sema.h b/clang/lib/Sema/Sema.h
index d04394d94fd..e4746372a51 100644
--- a/clang/lib/Sema/Sema.h
+++ b/clang/lib/Sema/Sema.h
@@ -1071,6 +1071,9 @@ public:
   // Decl attributes - this routine is the top level dispatcher. 
   void ProcessDeclAttributes(Decl *D, const Declarator &PD);
   void ProcessDeclAttributeList(Decl *D, const AttributeList *AttrList);
+  
+  void ProcessObjCMethDeclReturnAttributeList(ObjCMethodDecl *D,
+                                              const AttributeList *AttrList);
 
   void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method,
                            bool &IncompleteImpl);
@@ -2186,6 +2189,7 @@ public:
     // from the Sel.getNumArgs().
     ObjCArgInfo *ArgInfo,
     llvm::SmallVectorImpl<Declarator> &Cdecls,
+    AttributeList *ReturnAttrList,
     AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind,
     bool isVariadic = false);