fields_require_tracing.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9
1a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved.
2a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
3a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// found in the LICENSE file.
4a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#ifndef FIELDS_REQUIRE_TRACING_H_
6a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#define FIELDS_REQUIRE_TRACING_H_
7a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
8a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "heap/stubs.h"
9a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
10a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)namespace WebCore {
11a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
12a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class HeapObject;
13a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
14a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class PartObject {
15a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    DISALLOW_ALLOCATION();
16a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)public:
17a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    void trace(Visitor*);
18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)private:
19a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    Member<HeapObject> m_obj1;
20a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    Member<HeapObject> m_obj2;
21a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    Member<HeapObject> m_obj3;
22a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)};
23a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
24a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class HeapObject : public GarbageCollected<HeapObject> {
25a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)public:
26a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    void trace(Visitor*);
27a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)private:
28a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    PartObject m_part;
29a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    Member<HeapObject> m_obj;
30a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)};
31a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
32a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)}
33a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
34a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#endif
35