tools/clang/blink_gc_plugin/tests/traceimpl_derived_from_templated_base.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef TRACEIMPL_DERIVED_FROM_TEMPLATED_BASE_H_
   6 #define TRACEIMPL_DERIVED_FROM_TEMPLATED_BASE_H_
   7
   8 #include "heap/stubs.h"
   9
  10 namespace blink {
  11
  12 class X : public GarbageCollected<X> {
  13  public:
  14   virtual void trace(Visitor*) {}
  15 };
  16
  17 template <int Y>
  18 class TraceImplTemplatedBase
  19     : public GarbageCollected<TraceImplTemplatedBase<Y> > {
  20  public:
  21   void trace(Visitor* visitor) { traceImpl(visitor); }
  22
  23   template <typename VisitorDispatcher>
  24   void traceImpl(VisitorDispatcher visitor) {
  25     visitor->trace(x_);
  26   }
  27
  28  private:
  29   Member<X> x_;
  30 };
  31
  32 class TraceImplDerivedFromTemplatedBase : public TraceImplTemplatedBase<0> {
  33 };
  34
  35 }
  36
  37 #endif  // TRACEIMPL_DERIVED_FROM_TEMPLATED_BASE_H_