tools/clang/blink_gc_plugin/tests/cycle_sub.h

   1 // Copyright 2014 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 CYCLE_SUB_H_
   6 #define CYCLE_SUB_H_
   7
   8 #include "heap/stubs.h"
   9
  10 namespace blink {
  11
  12 class C;
  13
  14 // This contains a leaking cycle:
  15 // C -per-> A -sub-> B -ref-> C
  16
  17 class A : public GarbageCollectedFinalized<A> {
  18 public:
  19     virtual void trace(Visitor*) {}
  20 };
  21
  22 class B : public A {
  23 public:
  24     virtual void trace(Visitor*);
  25 private:
  26     RefPtr<C> m_c;
  27 };
  28
  29 class C : public RefCounted<C> {
  30 private:
  31     Persistent<A> m_a;
  32 };
  33
  34 }
  35
  36 #endif