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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 InlinedGlobalMarkingVisitor_h | 5 #ifndef InlinedGlobalMarkingVisitor_h |
6 #define InlinedGlobalMarkingVisitor_h | 6 #define InlinedGlobalMarkingVisitor_h |
7 | 7 |
8 #include "platform/heap/MarkingVisitorImpl.h" | 8 #include "platform/heap/MarkingVisitorImpl.h" |
9 | 9 |
10 namespace blink { | 10 namespace blink { |
11 | 11 |
12 class InlinedGlobalMarkingVisitor final | 12 class InlinedGlobalMarkingVisitor final |
13 : public VisitorHelper<InlinedGlobalMarkingVisitor>, | 13 : public VisitorHelper<InlinedGlobalMarkingVisitor>, |
14 public MarkingVisitorImpl<InlinedGlobalMarkingVisitor> { | 14 public MarkingVisitorImpl<InlinedGlobalMarkingVisitor> { |
15 public: | 15 public: |
16 friend class VisitorHelper<InlinedGlobalMarkingVisitor>; | 16 friend class VisitorHelper<InlinedGlobalMarkingVisitor>; |
17 using Helper = VisitorHelper<InlinedGlobalMarkingVisitor>; | 17 using Helper = VisitorHelper<InlinedGlobalMarkingVisitor>; |
18 friend class MarkingVisitorImpl<InlinedGlobalMarkingVisitor>; | 18 friend class MarkingVisitorImpl<InlinedGlobalMarkingVisitor>; |
19 using Impl = MarkingVisitorImpl<InlinedGlobalMarkingVisitor>; | 19 using Impl = MarkingVisitorImpl<InlinedGlobalMarkingVisitor>; |
20 | 20 |
21 InlinedGlobalMarkingVisitor(ThreadState* state, | 21 explicit InlinedGlobalMarkingVisitor(ThreadState* state) |
22 Visitor::MarkingMode markingMode) | 22 : VisitorHelper(state) {} |
23 : VisitorHelper(state), m_markingMode(markingMode) {} | |
24 | 23 |
25 // Hack to unify interface to visitor->trace(). | 24 // Hack to unify interface to visitor->trace(). |
26 // Without this hack, we need to use visitor.trace() for | 25 // Without this hack, we need to use visitor.trace() for |
27 // trace(InlinedGlobalMarkingVisitor) and visitor->trace() for | 26 // trace(InlinedGlobalMarkingVisitor) and visitor->trace() for |
28 // trace(Visitor*). | 27 // trace(Visitor*). |
29 InlinedGlobalMarkingVisitor* operator->() { return this; } | 28 InlinedGlobalMarkingVisitor* operator->() { return this; } |
30 | 29 |
31 using Impl::mark; | 30 using Impl::mark; |
32 using Impl::ensureMarked; | 31 using Impl::ensureMarked; |
33 using Impl::registerDelayedMarkNoTracing; | 32 using Impl::registerDelayedMarkNoTracing; |
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48 } | 47 } |
49 | 48 |
50 protected: | 49 protected: |
51 // Methods to be called from MarkingVisitorImpl. | 50 // Methods to be called from MarkingVisitorImpl. |
52 | 51 |
53 inline bool shouldMarkObject(const void*) const { | 52 inline bool shouldMarkObject(const void*) const { |
54 // As this is global marking visitor, we need to mark all objects. | 53 // As this is global marking visitor, we need to mark all objects. |
55 return true; | 54 return true; |
56 } | 55 } |
57 | 56 |
58 inline Visitor::MarkingMode getMarkingMode() const { return m_markingMode; } | 57 inline Visitor::MarkingMode getMarkingMode() const { |
| 58 return Visitor::GlobalMarking; |
| 59 } |
59 | 60 |
60 private: | 61 private: |
61 static InlinedGlobalMarkingVisitor fromHelper(Helper* helper) { | 62 static InlinedGlobalMarkingVisitor fromHelper(Helper* helper) { |
62 return *static_cast<InlinedGlobalMarkingVisitor*>(helper); | 63 return *static_cast<InlinedGlobalMarkingVisitor*>(helper); |
63 } | 64 } |
64 | |
65 // TODO(sof): attempt to unify this field with Visitor::m_markingMode. | |
66 const Visitor::MarkingMode m_markingMode; | |
67 }; | 65 }; |
68 | 66 |
69 inline void GarbageCollectedMixin::trace(InlinedGlobalMarkingVisitor) {} | 67 inline void GarbageCollectedMixin::trace(InlinedGlobalMarkingVisitor) {} |
70 | 68 |
71 } // namespace blink | 69 } // namespace blink |
72 | 70 |
73 #endif | 71 #endif |
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