ObjectiveC: Handle the case of qualifying protocols
declared in a typedef declaraton used as super
class of an ObjC class. Curretnly, these protocols
are dropped from the class hierarchy. Test shows that
it is now included. // rdar://15051465
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191395 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index b938bd6..14f8658 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -592,6 +592,29 @@
return ActOnObjCContainerStartDefinition(IDecl);
}
+/// ActOnTypedefedProtocols - this action finds protocol list as part of the
+/// typedef'ed use for a qualified super class and adds them to the list
+/// of the protocols.
+void Sema::ActOnTypedefedProtocols(SmallVectorImpl<Decl *> &ProtocolRefs,
+ IdentifierInfo *SuperName,
+ SourceLocation SuperLoc) {
+ if (!SuperName)
+ return;
+ NamedDecl* IDecl = LookupSingleName(TUScope, SuperName, SuperLoc,
+ LookupOrdinaryName);
+ if (!IDecl)
+ return;
+
+ if (const TypedefNameDecl *TDecl = dyn_cast_or_null<TypedefNameDecl>(IDecl)) {
+ QualType T = TDecl->getUnderlyingType();
+ if (T->isObjCObjectType())
+ if (const ObjCObjectType *OPT = T->getAs<ObjCObjectType>())
+ for (ObjCObjectType::qual_iterator I = OPT->qual_begin(),
+ E = OPT->qual_end(); I != E; ++I)
+ ProtocolRefs.push_back(*I);
+ }
+}
+
/// ActOnCompatibilityAlias - this action is called after complete parsing of
/// a \@compatibility_alias declaration. It sets up the alias relationships.
Decl *Sema::ActOnCompatibilityAlias(SourceLocation AtLoc,