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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_HEAP_CPPGC_JS_UNIFIED_HEAP_MARKING_VISITOR_H_
#define V8_HEAP_CPPGC_JS_UNIFIED_HEAP_MARKING_VISITOR_H_
#include "include/cppgc/trace-trait.h"
#include "include/v8-cppgc.h"
#include "src/base/macros.h"
#include "src/heap/cppgc-js/unified-heap-marking-state.h"
#include "src/heap/cppgc/marking-visitor.h"
namespace cppgc {
namespace internal {
class MarkingState;
} // namespace internal
} // namespace cppgc
namespace v8 {
namespace internal {
using cppgc::TraceDescriptor;
using cppgc::WeakCallback;
using cppgc::internal::HeapBase;
using cppgc::internal::MarkingState;
class V8_EXPORT_PRIVATE UnifiedHeapMarkingVisitor : public JSVisitor {
public:
UnifiedHeapMarkingVisitor(HeapBase&, MarkingState&, UnifiedHeapMarkingState&);
~UnifiedHeapMarkingVisitor() override = default;
private:
// C++ handling.
void Visit(const void*, TraceDescriptor) final;
void VisitWeak(const void*, TraceDescriptor, WeakCallback, const void*) final;
void VisitRoot(const void*, TraceDescriptor) final;
void VisitWeakRoot(const void*, TraceDescriptor, WeakCallback,
const void*) final;
void RegisterWeakCallback(WeakCallback, const void*) final;
// JS handling.
void Visit(const internal::JSMemberBase& ref) final;
MarkingState& marking_state_;
UnifiedHeapMarkingState& unified_heap_marking_state_;
};
} // namespace internal
} // namespace v8
#endif // V8_HEAP_CPPGC_JS_UNIFIED_HEAP_MARKING_VISITOR_H_
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