public CodeFrame Clone()
{
var copy = new CodeFrame();
copy.Layouts = Layouts.Clone();
copy.Strings = Strings.Clone();
copy.GlobalScope = GlobalScope.Clone();
copy.Ops = Ops.Clone();
copy.OpData = OpData.Clone();
copy._references = new ReferenceMap(_references);
copy.Symbols = Symbols != null?Symbols.Clone() : null;
copy.HandleMap = HandleMap.Clone();
copy.InternalTypes = new Dictionary <String, Int32>(InternalTypes);
copy._internalClasses = new ClassMap(_internalClasses);
copy.InternalInstances = InternalInstances.Clone();
copy.LateBounds = LateBounds.Clone();
copy.InternalConstructors = InternalConstructors.Clone();
return(copy);
}