Do not issue warning on unimplemented property in the class, if it
conforms to a protocol as one of its super classes does. This is because
conforming super class will implement the property. This implements
new warning rules for unimplemented properties (radar 7884086).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 6c52ae5..ba20ed1 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -1539,6 +1539,15 @@
/// the class and its conforming protocols; but not those it its super class.
void CollectImmediateProperties(ObjCContainerDecl *CDecl,
llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*>& PropMap);
+
+ /// ProtocolConformsToSuperClass - Returns true if class has a super class
+ /// and it, or its nested super class conforms to the protocol.
+ bool ProtocolConformsToSuperClass(const ObjCInterfaceDecl *IDecl,
+ const ObjCProtocolDecl *PDecl);
+ /// ProtocolConformsToProtocol - Returns true if 2nd Protocol (PDecl) is
+ /// qualified by the 1st.
+ bool ProtocolConformsToProtocol(const ObjCProtocolDecl *NestedProtocol,
+ const ObjCProtocolDecl *PDecl);
/// LookupPropertyDecl - Looks up a property in the current class and all
/// its protocols.