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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef MEMBER_IN_OFFHEAP_CLASS_H_ |
| 6 #define MEMBER_IN_OFFHEAP_CLASS_H_ |
| 7 |
| 8 #include "heap/stubs.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 class HeapObject : public GarbageCollected<HeapObject> { }; |
| 13 |
| 14 class OffHeapObject { |
| 15 public: |
| 16 void trace(Visitor*); |
| 17 private: |
| 18 Member<HeapObject> m_obj; // Must not contain Member. |
| 19 Persistent<HeapVector<Member<HeapObject> > > m_objs; // OK |
| 20 }; |
| 21 |
| 22 class StackObject { |
| 23 STACK_ALLOCATED(); |
| 24 private: |
| 25 Member<HeapObject> m_obj; // OK |
| 26 Member<OffHeapObject> m_memberOff; // NOT OK |
| 27 HeapVector<Member<OffHeapObject>> m_heapVectorMemberOff; // NOT OK |
| 28 }; |
| 29 |
| 30 class PartObject { |
| 31 DISALLOW_ALLOCATION(); |
| 32 public: |
| 33 void trace(Visitor*); |
| 34 private: |
| 35 Member<HeapObject> m_obj; // OK |
| 36 }; |
| 37 |
| 38 class InlineObject { |
| 39 ALLOW_ONLY_INLINE_ALLOCATION(); |
| 40 public: |
| 41 void trace(Visitor*); |
| 42 private: |
| 43 Member<HeapObject> m_obj; // OK |
| 44 }; |
| 45 |
| 46 } |
| 47 |
| 48 #endif |
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