| // 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 |