OLD | NEW |
---|---|
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CLASS_REQUIRES_FINALIZATION_MIXIN_H_ | 5 #ifndef CLASS_REQUIRES_FINALIZATION_MIXIN_H_ |
6 #define CLASS_REQUIRES_FINALIZATION_MIXIN_H_ | 6 #define CLASS_REQUIRES_FINALIZATION_MIXIN_H_ |
7 | 7 |
8 #include "heap/stubs.h" | 8 #include "heap/stubs.h" |
9 | 9 |
10 namespace WebCore { | 10 namespace WebCore { |
11 | 11 |
12 class OffHeap : public RefCounted<OffHeap> { }; | 12 class OffHeap : public RefCounted<OffHeap> { }; |
13 class OnHeap : public GarbageCollected<OnHeap> { }; | 13 class OnHeap : public GarbageCollected<OnHeap> { }; |
14 | 14 |
15 class Mixin : public GarbageCollectedMixin { | 15 // WebCore::ScriptWrappable receives special treatment |
16 // so as to allow it to be used together with GarbageCollected<T>, | |
17 // even when its user-declared destructor is provided. | |
18 // As it is with Oilpan disabled. | |
19 class ScriptWrappable { | |
20 public: | |
21 ~ScriptWrappable() { /* user-declared, thus, non-trivial */ } | |
22 }; | |
23 | |
24 class MixinFinalizable : public GarbageCollectedMixin { | |
16 public: | 25 public: |
17 void trace(Visitor*); | 26 void trace(Visitor*); |
18 private: | 27 private: |
19 RefPtr<OffHeap> m_offHeap; // Requires finalization | 28 RefPtr<OffHeap> m_offHeap; // Requires finalization |
20 Member<OnHeap> m_onHeap; | 29 Member<OnHeap> m_onHeap; |
21 }; | 30 }; |
22 | 31 |
23 class NeedsFinalizer : public GarbageCollected<NeedsFinalizer>, public Mixin { | 32 class MixinNotFinalizable : public GarbageCollectedMixin { |
33 public: | |
34 void trace(Visitor*); | |
35 private: | |
36 Member<OnHeap> m_onHeap; | |
37 }; | |
38 | |
39 class NeedsFinalizer | |
40 : public GarbageCollected<NeedsFinalizer> | |
41 , public MixinFinalizable { | |
24 USING_GARBAGE_COLLECTED_MIXIN(NeedsFinalizer); | 42 USING_GARBAGE_COLLECTED_MIXIN(NeedsFinalizer); |
25 public: | 43 public: |
26 void trace(Visitor*); | 44 void trace(Visitor*); |
27 private: | 45 private: |
28 Member<OnHeap> m_obj; | 46 Member<OnHeap> m_obj; |
29 }; | 47 }; |
30 | 48 |
31 class HasFinalizer : public GarbageCollectedFinalized<HasFinalizer>, | 49 class HasFinalizer : public GarbageCollectedFinalized<HasFinalizer>, |
32 public Mixin { | 50 public MixinFinalizable { |
33 USING_GARBAGE_COLLECTED_MIXIN(HasFinalizer); | 51 USING_GARBAGE_COLLECTED_MIXIN(HasFinalizer); |
34 public: | 52 public: |
35 void trace(Visitor*); | 53 void trace(Visitor*); |
36 private: | 54 private: |
37 Member<OnHeap> m_obj; | 55 Member<OnHeap> m_obj; |
38 }; | 56 }; |
39 | 57 |
58 class NeedsNoFinalization | |
59 : public GarbageCollected<HasFinalizer> | |
zerny-chromium
2014/07/08 07:45:03
GarbageCollected<NeedsNoFinalization>
sof
2014/07/08 08:47:05
Done.
| |
60 , public MixinNotFinalizable | |
61 , public ScriptWrappable { | |
62 USING_GARBAGE_COLLECTED_MIXIN(NeedsNoFinalization); | |
63 public: | |
64 void trace(Visitor*); | |
65 private: | |
66 Member<OnHeap> m_obj; | |
67 }; | |
68 | |
40 } | 69 } |
41 | 70 |
42 #endif | 71 #endif |
OLD | NEW |