tools/clang/blink_gc_plugin/tests/traceimpl_overloaded_error.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_ERROR_H_
   6 #define TRACEIMPL_OVERLOADED_ERROR_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) {
  28     // Missing visitor->trace(x_base_).
  29   }
  30
  31   Member<X> x_base_;
  32 };
  33
  34 class InlinedDerived : public InlinedBase {
  35  public:
  36   void trace(Visitor* visitor) override { traceImpl(visitor); }
  37   void trace(InlinedGlobalMarkingVisitor visitor) override {
  38     traceImpl(visitor);
  39   }
  40
  41  private:
  42   template <typename VisitorDispatcher>
  43   void traceImpl(VisitorDispatcher visitor) {
  44     // Missing visitor->trace(x_derived_) and InlinedBase::trace(visitor).
  45   }
  46
  47   Member<X> x_derived_;
  48 };
  49
  50 class ExternBase : public GarbageCollected<ExternBase> {
  51  public:
  52   virtual void trace(Visitor*);
  53   virtual void trace(InlinedGlobalMarkingVisitor);
  54
  55  private:
  56   template <typename VisitorDispatcher>
  57   void traceImpl(VisitorDispatcher);
  58
  59   Member<X> x_base_;
  60 };
  61
  62 class ExternDerived : public ExternBase {
  63  public:
  64   void trace(Visitor*) override;
  65   void trace(InlinedGlobalMarkingVisitor) override;
  66
  67  private:
  68   template <typename VisitorDispatcher>
  69   void traceImpl(VisitorDispatcher);
  70
  71   Member<X> x_derived_;
  72 };
  73
  74 }
  75
  76 #endif  // TRACEIMPL_OVERLOADED_ERROR_H_