tools/clang/blink_gc_plugin/tests/class_requires_finalization_mixin.h

   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 CLASS_REQUIRES_FINALIZATION_MIXIN_H_
   6 #define CLASS_REQUIRES_FINALIZATION_MIXIN_H_
   7
   8 #include "heap/stubs.h"
   9
  10 namespace blink {
  11
  12 class OffHeap : public RefCounted<OffHeap> { };
  13 class OnHeap : public GarbageCollected<OnHeap> { };
  14
  15 class MixinFinalizable : public GarbageCollectedMixin {
  16 public:
  17     virtual void trace(Visitor*) override;
  18 private:
  19     RefPtr<OffHeap> m_offHeap; // Requires finalization
  20     Member<OnHeap> m_onHeap;
  21 };
  22
  23 class MixinNotFinalizable : public GarbageCollectedMixin {
  24 public:
  25     virtual void trace(Visitor*) override;
  26 private:
  27     Member<OnHeap> m_onHeap;
  28 };
  29
  30 class NeedsFinalizer
  31     : public GarbageCollected<NeedsFinalizer>
  32     , public MixinFinalizable {
  33     USING_GARBAGE_COLLECTED_MIXIN(NeedsFinalizer);
  34 public:
  35     virtual void trace(Visitor*) override;
  36 private:
  37     Member<OnHeap> m_obj;
  38 };
  39
  40 class HasFinalizer : public GarbageCollectedFinalized<HasFinalizer>,
  41                      public MixinFinalizable {
  42     USING_GARBAGE_COLLECTED_MIXIN(HasFinalizer);
  43 public:
  44     virtual void trace(Visitor*) override;
  45 private:
  46     Member<OnHeap> m_obj;
  47 };
  48
  49 class NeedsNoFinalization
  50     : public GarbageCollected<NeedsNoFinalization>
  51     , public MixinNotFinalizable
  52     , public ScriptWrappable {
  53     USING_GARBAGE_COLLECTED_MIXIN(NeedsNoFinalization);
  54 public:
  55     virtual void trace(Visitor*) override;
  56 private:
  57     Member<OnHeap> m_obj;
  58 };
  59
  60 }
  61
  62 #endif