// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef TRACE_TEMPLATED_SUPER_H_
#define TRACE_TEMPLATED_SUPER_H_

#include "heap/stubs.h"

namespace blink {

class HeapObject;

class Mixin : public GarbageCollectedMixin {
public:
    virtual void trace(Visitor*) override { }
};

template<typename T>
class Super : public GarbageCollected<Super<T> >, public Mixin {
    USING_GARBAGE_COLLECTED_MIXIN(Super);
public:
    virtual void trace(Visitor*) override;
    void clearWeakMembers(Visitor*);
private:
    Member<HeapObject> m_obj;
    WeakMember<HeapObject> m_weak;
};

template<typename T>
class Sub : public Super<T> {
public:
    virtual void trace(Visitor* visitor) override;
private:
    Member<HeapObject> m_obj;
};

class HeapObject : public Sub<HeapObject> {
public:
    virtual void trace(Visitor*) override;
private:
    Member<HeapObject> m_obj;
};

}

#endif