tools/clang/blink_gc_plugin/tests/register_weak_members_template.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 REGISTER_WEAK_MEMBERS_TEMPLATE_H_
   6 #define REGISTER_WEAK_MEMBERS_TEMPLATE_H_
   7
   8 #include "heap/stubs.h"
   9
  10 namespace blink {
  11
  12 class X : public GarbageCollected<X> {
  13  public:
  14   void trace(Visitor* visitor) { traceImpl(visitor); }
  15   void trace(InlinedGlobalMarkingVisitor visitor) { traceImpl(visitor); }
  16
  17  private:
  18   template <typename VisitorDispatcher>
  19   void traceImpl(VisitorDispatcher visitor) {}
  20 };
  21
  22 class HasUntracedWeakMembers : public GarbageCollected<HasUntracedWeakMembers> {
  23  public:
  24   void trace(Visitor* visitor) { traceImpl(visitor); }
  25   void trace(InlinedGlobalMarkingVisitor visitor) { traceImpl(visitor); }
  26
  27   // Don't have to be defined for the purpose of this test.
  28   void clearWeakMembers(Visitor* visitor);
  29
  30  private:
  31   template <typename VisitorDispatcher>
  32   void traceImpl(VisitorDispatcher visitor) {
  33     visitor->template registerWeakMembers<
  34         HasUntracedWeakMembers,
  35         &HasUntracedWeakMembers::clearWeakMembers>(this);
  36   }
  37
  38   WeakMember<X> x_;
  39 };
  40
  41 }
  42
  43 #endif  // REGISTER_WEAK_MEMBERS_TEMPLATE_H_