This is a large/messy diff that unifies the ObjC AST's with DeclContext.

- ObjCContainerDecl's (ObjCInterfaceDecl/ObjCCategoryDecl/ObjCProtocolDecl), ObjCCategoryImpl, & ObjCImplementation are all DeclContexts.
- ObjCMethodDecl is now a ScopedDecl (so it can play nicely with DeclContext).
- ObjCContainerDecl now does iteration/lookup using DeclContext infrastructure (no more linear search:-)
- Removed ASTContext argument to DeclContext::lookup(). It wasn't being used and complicated it's use from an ObjC AST perspective.
- Added Sema::ProcessPropertyDecl() and removed Sema::diagnosePropertySetterGetterMismatch().
- Simplified Sema::ActOnAtEnd() considerably. Still more work to do.
- Fixed an incorrect casting assumption in Sema::getCurFunctionOrMethodDecl(), now that ObjCMethodDecl is a ScopedDecl.
- Removed addPropertyMethods from ObjCInterfaceDecl/ObjCCategoryDecl/ObjCProtocolDecl.

This passes all the tests on my machine. Since many of the changes are central to the way ObjC finds it's methods, I expect some fallout (and there are still a handful of FIXME's). Nevertheless, this should be a step in the right direction.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index c5e5aa2..edc3a28 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -681,7 +681,7 @@
   //   using a qualified name. ]
   // Look for a member, first.
   FieldDecl *Member = 0;
-  DeclContext::lookup_result Result = ClassDecl->lookup(Context, MemberOrBase);
+  DeclContext::lookup_result Result = ClassDecl->lookup(MemberOrBase);
   if (Result.first != Result.second)
     Member = dyn_cast<FieldDecl>(*Result.first);
 
@@ -1590,7 +1590,7 @@
     = Context.DeclarationNames.getCXXConstructorName(
                        Context.getCanonicalType(ClassType.getUnqualifiedType()));
   DeclContext::lookup_const_iterator Con, ConEnd;
-  for (llvm::tie(Con, ConEnd) = ClassDecl->lookup(Context, ConstructorName);
+  for (llvm::tie(Con, ConEnd) = ClassDecl->lookup(ConstructorName);
        Con != ConEnd; ++Con) {
     CXXConstructorDecl *Constructor = cast<CXXConstructorDecl>(*Con);
     if ((Kind == IK_Direct) ||