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_BASE_H_ | 5 #ifndef CLASS_REQUIRES_FINALIZATION_BASE_H_ |
6 #define CLASS_REQUIRES_FINALIZATION_BASE_H_ | 6 #define CLASS_REQUIRES_FINALIZATION_BASE_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 A : public GarbageCollected<A> { | 12 class A : public GarbageCollected<A> { |
13 public: | 13 public: |
14 virtual void trace(Visitor*) {} | 14 virtual void trace(Visitor*) {} |
15 }; | 15 }; |
16 | 16 |
17 class B { | 17 class B { |
18 public: | 18 public: |
19 ~B() { /* user-declared, thus, non-trivial */ } | 19 ~B() { /* user-declared, thus, non-trivial */ } |
20 }; | 20 }; |
21 | 21 |
22 // WebCore::ScriptWrappable receives special treatment | |
23 // so as to allow it to be used together with GarbageCollected<T>, | |
24 // even when its user-declared destructor is provided. | |
25 // As it is with Oilpan disabled. | |
26 class ScriptWrappable { | |
zerny-chromium
2014/07/08 07:45:03
Define ScriptWrappable in heap/stubs.h
That shoul
sof
2014/07/08 08:47:05
Done.
| |
27 public: | |
28 ~ScriptWrappable() { /* user-declared, thus, non-trivial */ } | |
29 }; | |
30 | |
22 // Second base class needs finalization. | 31 // Second base class needs finalization. |
23 class NeedsFinalizer : public A, public B { | 32 class NeedsFinalizer : public A, public B { |
24 public: | 33 public: |
25 void trace(Visitor*); | 34 void trace(Visitor*); |
26 }; | 35 }; |
27 | 36 |
28 // Base does not need finalization. | 37 // Base does not need finalization. |
29 class DoesNotNeedFinalizer : public A { | 38 class DoesNotNeedFinalizer : public A { |
30 public: | 39 public: |
31 void trace(Visitor*); | 40 void trace(Visitor*); |
32 }; | 41 }; |
33 | 42 |
43 class GCedClassWithAScriptWrappableBase | |
44 : public A, public ScriptWrappable { | |
45 public: | |
46 void trace(Visitor*); | |
47 }; | |
48 | |
49 class GCedClassWithAScriptWrappableAndAFinalizableBase | |
50 : public GCedClassWithAScriptWrappableBase | |
51 , public B | |
52 , public ScriptWrappable { | |
53 public: | |
54 void trace(Visitor*); | |
55 }; | |
56 | |
34 } | 57 } |
35 | 58 |
36 #endif | 59 #endif |
OLD | NEW |