Implement "Destroy" and destructor for ObjCClassDecl, allowing us to reclaim its memory and the memory of the Decls it owns.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52059 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index a0d281808e..08df62d5b9 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -134,6 +134,23 @@ ObjCClassDecl *ObjCClassDecl::Create(ASTContext &C,
   return new (Mem) ObjCClassDecl(L, Elts, nElts);
 }
 
+ObjCClassDecl::~ObjCClassDecl() {
+  delete [] ForwardDecls;
+}
+
+void ObjCClassDecl::Destroy(ASTContext& C) {
+  
+  // FIXME: There is no clear ownership policy now for referenced
+  //  ObjCInterfaceDecls.  Some of them can be forward declarations that
+  //  are never later defined (in which case the ObjCClassDecl owns them)
+  //  or the ObjCInterfaceDecl later becomes a real definition later.  Ideally
+  //  we should have separate objects for forward declarations and definitions,
+  //  obviating this problem.  Because of this situation, referenced
+  //  ObjCInterfaceDecls are destroyed in ~TranslationUnit.
+  
+  Decl::Destroy(C);
+}
+
 ObjCForwardProtocolDecl *
 ObjCForwardProtocolDecl::Create(ASTContext &C,
                                 SourceLocation L,