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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 #include "platform/heap/Visitor.h" | 5 #include "platform/heap/Visitor.h" |
| 6 | 6 |
| 7 #include <memory> |
| 7 #include "platform/heap/BlinkGC.h" | 8 #include "platform/heap/BlinkGC.h" |
| 8 #include "platform/heap/ThreadState.h" | 9 #include "platform/heap/ThreadState.h" |
| 9 #include "platform/heap/VisitorImpl.h" | 10 #include "platform/heap/VisitorImpl.h" |
| 10 #include "wtf/PtrUtil.h" | 11 #include "wtf/PtrUtil.h" |
| 11 #include <memory> | |
| 12 | 12 |
| 13 namespace blink { | 13 namespace blink { |
| 14 | 14 |
| 15 std::unique_ptr<Visitor> Visitor::create(ThreadState* state, MarkingMode mode) { | 15 std::unique_ptr<Visitor> Visitor::create(ThreadState* state, MarkingMode mode) { |
| 16 return WTF::makeUnique<Visitor>(state, mode); | 16 return WTF::makeUnique<Visitor>(state, mode); |
| 17 } | 17 } |
| 18 | 18 |
| 19 Visitor::Visitor(ThreadState* state, MarkingMode markingMode) | 19 Visitor::Visitor(ThreadState* state, MarkingMode markingMode) |
| 20 : m_state(state), m_markingMode(markingMode) { | 20 : m_state(state), m_markingMode(markingMode) { |
| 21 // See ThreadState::runScheduledGC() why we need to already be in a | 21 // See ThreadState::runScheduledGC() why we need to already be in a |
| 22 // GCForbiddenScope before any safe point is entered. | 22 // GCForbiddenScope before any safe point is entered. |
| 23 DCHECK(state->isGCForbidden()); | 23 DCHECK(state->isGCForbidden()); |
| 24 #if DCHECK_IS_ON() | 24 #if DCHECK_IS_ON() |
| 25 DCHECK(state->checkThread()); | 25 DCHECK(state->checkThread()); |
| 26 #endif | 26 #endif |
| 27 } | 27 } |
| 28 | 28 |
| 29 Visitor::~Visitor() {} | 29 Visitor::~Visitor() {} |
| 30 | 30 |
| 31 void Visitor::markNoTracingCallback(Visitor* visitor, void* object) { | 31 void Visitor::markNoTracingCallback(Visitor* visitor, void* object) { |
| 32 visitor->markNoTracing(object); | 32 visitor->markNoTracing(object); |
| 33 } | 33 } |
| 34 | 34 |
| 35 } // namespace blink | 35 } // namespace blink |
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