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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 FINALIZE_AFTER_DISPATCH_H_ |
| 6 #define FINALIZE_AFTER_DISPATCH_H_ |
| 7 |
| 8 #include "heap/stubs.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 class NeedsFinalize : public GarbageCollectedFinalized<NeedsFinalize> { |
| 13 public: |
| 14 void trace(Visitor*); |
| 15 void traceAfterDispatch(Visitor*); |
| 16 // Needs a finalizeGarbageCollectedObject method. |
| 17 }; |
| 18 |
| 19 class NeedsDispatch : public GarbageCollectedFinalized<NeedsDispatch> { |
| 20 public: |
| 21 void trace(Visitor*); |
| 22 // Needs a traceAfterDispatch method. |
| 23 void finalizeGarbageCollectedObject() { }; |
| 24 }; |
| 25 |
| 26 class NeedsFinalizedBase : public GarbageCollected<NeedsFinalizedBase> { |
| 27 public: |
| 28 void trace(Visitor*) { }; |
| 29 void traceAfterDispatch(Visitor*) { }; |
| 30 void finalizeGarbageCollectedObject() { }; |
| 31 }; |
| 32 |
| 33 class A : GarbageCollectedFinalized<A> { |
| 34 public: |
| 35 void trace(Visitor*); |
| 36 void traceAfterDispatch(Visitor*); |
| 37 void finalizeGarbageCollectedObject(); |
| 38 protected: |
| 39 enum Type { TB, TC, TD }; |
| 40 A(Type type) : m_type(type) { } |
| 41 private: |
| 42 Type m_type; |
| 43 }; |
| 44 |
| 45 class B : public A { |
| 46 public: |
| 47 B() : A(TB) { } |
| 48 ~B() { } |
| 49 void traceAfterDispatch(Visitor*); |
| 50 private: |
| 51 Member<A> m_a; |
| 52 }; |
| 53 |
| 54 class C : public A { |
| 55 public: |
| 56 C() : A(TC) { } |
| 57 void traceAfterDispatch(Visitor*); |
| 58 private: |
| 59 Member<A> m_a; |
| 60 }; |
| 61 |
| 62 // This class is considered abstract does not need to be dispatched to. |
| 63 class Abstract : public A { |
| 64 protected: |
| 65 Abstract(Type type) : A(type) { } |
| 66 }; |
| 67 |
| 68 class D : public Abstract { |
| 69 public: |
| 70 D() : Abstract(TD) { } |
| 71 void traceAfterDispatch(Visitor*); |
| 72 private: |
| 73 Member<A> m_a; |
| 74 }; |
| 75 |
| 76 } |
| 77 |
| 78 #endif |
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