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// Copyright 2014 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.
#ifndef TRACEIMPL_H_
#define TRACEIMPL_H_
#include "heap/stubs.h"
namespace blink {
class X : public GarbageCollected<X> {
public:
virtual void trace(Visitor*) {}
};
class TraceImplInlined : public GarbageCollected<TraceImplInlined> {
public:
void trace(Visitor* visitor) { traceImpl(visitor); }
template <typename VisitorDispatcher>
void traceImpl(VisitorDispatcher visitor) {
visitor->trace(x_);
}
private:
Member<X> x_;
};
class TraceImplExtern : public GarbageCollected<TraceImplExtern> {
public:
void trace(Visitor* visitor);
template <typename VisitorDispatcher>
inline void traceImpl(VisitorDispatcher);
private:
Member<X> x_;
};
class Base : public GarbageCollected<Base> {
public:
virtual void trace(Visitor* visitor) {}
};
class TraceImplBaseInlined : public Base {
public:
void trace(Visitor* visitor) override { traceImpl(visitor); }
template <typename VisitorDispatcher>
void traceImpl(VisitorDispatcher visitor) {
Base::trace(visitor);
}
};
class TraceImplBaseExtern : public Base {
public:
void trace(Visitor* visitor) override;
template <typename VisitorDispatcher>
void traceImpl(VisitorDispatcher);
private:
Member<X> x_;
};
}
#endif
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