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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 INCLUDE_V8_CPPGC_H_
#define INCLUDE_V8_CPPGC_H_
#include "cppgc/visitor.h"
#include "v8-internal.h" // NOLINT(build/include_directory)
#include "v8.h" // NOLINT(build/include_directory)
namespace v8 {
class JSVisitor : public cppgc::Visitor {
public:
explicit JSVisitor(cppgc::Visitor::Key key) : cppgc::Visitor(key) {}
void Trace(const TracedReferenceBase& ref) {
if (ref.IsEmptyThreadSafe()) return;
Visit(ref);
}
protected:
using cppgc::Visitor::Visit;
virtual void Visit(const TracedReferenceBase& ref) {}
};
} // namespace v8
namespace cppgc {
template <typename T>
struct TraceTrait<v8::TracedReference<T>> {
static void Trace(Visitor* visitor, const v8::TracedReference<T>* self) {
static_cast<v8::JSVisitor*>(visitor)->Trace(*self);
}
};
} // namespace cppgc
#endif // INCLUDE_V8_CPPGC_H_
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