| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "platform/heap/Visitor.h" |
| |
| #include <memory> |
| #include "platform/heap/BlinkGC.h" |
| #include "platform/heap/ThreadState.h" |
| #include "platform/heap/VisitorImpl.h" |
| #include "platform/wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| std::unique_ptr<Visitor> Visitor::Create(ThreadState* state, MarkingMode mode) { |
| return std::make_unique<Visitor>(state, mode); |
| } |
| |
| Visitor::Visitor(ThreadState* state, MarkingMode marking_mode) |
| : state_(state), marking_mode_(marking_mode) { |
| // See ThreadState::runScheduledGC() why we need to already be in a |
| // GCForbiddenScope before any safe point is entered. |
| DCHECK(state->IsGCForbidden()); |
| #if DCHECK_IS_ON() |
| DCHECK(state->CheckThread()); |
| #endif |
| } |
| |
| Visitor::~Visitor() {} |
| |
| void Visitor::MarkNoTracingCallback(Visitor* visitor, void* object) { |
| visitor->MarkNoTracing(object); |
| } |
| |
| } // namespace blink |
