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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEMBER_IN_OFFHEAP_CLASS_H_
#define MEMBER_IN_OFFHEAP_CLASS_H_
#include "heap/stubs.h"
namespace blink {
class HeapObject : public GarbageCollected<HeapObject> { };
class OffHeapObject {
public:
OffHeapObject(Member<HeapObject>& ref) : m_ref(ref) {}
void Trace(Visitor*) const;
private:
Member<HeapObject> m_obj; // Must not contain Member.
WeakMember<HeapObject> m_weak; // Must not contain WeakMember.
Persistent<HeapVector<Member<HeapObject> > > m_objs; // OK
Member<HeapObject>* m_ptr; // Member may move
Member<HeapObject>& m_ref; // Member may move
};
class StackObject {
STACK_ALLOCATED();
StackObject(Member<HeapObject>& ref) : m_ref(ref) {}
private:
HeapObject* m_obj; // OK
Member<HeapObject>* m_ptr; // OK
Member<HeapObject>& m_ref; // OK
HeapVector<Member<OffHeapObject>> m_heapVectorMemberOff; // NOT OK
};
class DerivedStackObject : public StackObject {
private:
HeapObject* m_obj1; // OK
HeapVector<Member<OffHeapObject>> m_heapVectorMemberOff1; // NOT OK
};
class PartObject {
DISALLOW_NEW();
public:
virtual void Trace(Visitor*) const;
private:
Member<HeapObject> m_obj; // OK
};
class DerivedPartObject : public PartObject {
public:
void Trace(Visitor*) const override;
private:
Member<HeapObject> m_obj1; // OK
};
}
#endif
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