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// Copyright 2015 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_OVERLOADED_H_
#define TRACEIMPL_OVERLOADED_H_
#include "heap/stubs.h"
namespace blink {
class X : public GarbageCollected<X> {
public:
void Trace(Visitor*) {}
void Trace(InlinedGlobalMarkingVisitor) {}
};
class InlinedBase : public GarbageCollected<InlinedBase> {
public:
virtual void Trace(Visitor* visitor) { TraceImpl(visitor); }
virtual void Trace(InlinedGlobalMarkingVisitor visitor) {
TraceImpl(visitor);
}
private:
template <typename VisitorDispatcher>
void TraceImpl(VisitorDispatcher visitor) { visitor->Trace(x_base_); }
Member<X> x_base_;
};
class InlinedDerived : public InlinedBase {
public:
void Trace(Visitor* visitor) override { TraceImpl(visitor); }
void Trace(InlinedGlobalMarkingVisitor visitor) override {
TraceImpl(visitor);
}
private:
template <typename VisitorDispatcher>
void TraceImpl(VisitorDispatcher visitor) {
visitor->Trace(x_derived_);
InlinedBase::Trace(visitor);
}
Member<X> x_derived_;
};
class ExternBase : public GarbageCollected<ExternBase> {
public:
virtual void Trace(Visitor*);
virtual void Trace(InlinedGlobalMarkingVisitor);
private:
template <typename VisitorDispatcher>
void TraceImpl(VisitorDispatcher);
Member<X> x_base_;
};
class ExternDerived : public ExternBase {
public:
void Trace(Visitor*) override;
void Trace(InlinedGlobalMarkingVisitor) override;
private:
template <typename VisitorDispatcher>
void TraceImpl(VisitorDispatcher);
Member<X> x_derived_;
};
}
#endif // TRACEIMPL_OVERLOADED_H_
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