tools/clang/blink_gc_plugin/tests/traceimpl_overloaded.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_OVERLOADED_H_
   6 #define TRACEIMPL_OVERLOADED_H_
   7
   8 #include "heap/stubs.h"
   9
  10 namespace blink {
  11
  12 class X : public GarbageCollected<X> {
  13  public:
  14   void trace(Visitor*) {}
  15   void trace(InlinedGlobalMarkingVisitor) {}
  16 };
  17
  18 class InlinedBase : public GarbageCollected<InlinedBase> {
  19  public:
  20   virtual void trace(Visitor* visitor) { traceImpl(visitor); }
  21   virtual void trace(InlinedGlobalMarkingVisitor visitor) {
  22     traceImpl(visitor);
  23   }
  24
  25  private:
  26   template <typename VisitorDispatcher>
  27   void traceImpl(VisitorDispatcher visitor) { visitor->trace(x_base_); }
  28
  29   Member<X> x_base_;
  30 };
  31
  32 class InlinedDerived : public InlinedBase {
  33  public:
  34   void trace(Visitor* visitor) override { traceImpl(visitor); }
  35   void trace(InlinedGlobalMarkingVisitor visitor) override {
  36     traceImpl(visitor);
  37   }
  38
  39  private:
  40   template <typename VisitorDispatcher>
  41   void traceImpl(VisitorDispatcher visitor) {
  42     visitor->trace(x_derived_);
  43     InlinedBase::trace(visitor);
  44   }
  45
  46   Member<X> x_derived_;
  47 };
  48
  49 class ExternBase : public GarbageCollected<ExternBase> {
  50  public:
  51   virtual void trace(Visitor*);
  52   virtual void trace(InlinedGlobalMarkingVisitor);
  53
  54  private:
  55   template <typename VisitorDispatcher>
  56   void traceImpl(VisitorDispatcher);
  57
  58   Member<X> x_base_;
  59 };
  60
  61 class ExternDerived : public ExternBase {
  62  public:
  63   void trace(Visitor*) override;
  64   void trace(InlinedGlobalMarkingVisitor) override;
  65
  66  private:
  67   template <typename VisitorDispatcher>
  68   void traceImpl(VisitorDispatcher);
  69
  70   Member<X> x_derived_;
  71 };
  72
  73 }
  74
  75 #endif  // TRACEIMPL_OVERLOADED_H_