tools/clang/blink_gc_plugin/tests/trace_after_dispatch.cpp

   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 #include "trace_after_dispatch.h"
   6
   7 namespace blink {
   8
   9 static B* toB(A* a) { return static_cast<B*>(a); }
  10
  11 void A::trace(Visitor* visitor)
  12 {
  13     switch (m_type) {
  14     case TB:
  15         toB(this)->traceAfterDispatch(visitor);
  16         break;
  17     case TC:
  18         static_cast<C*>(this)->traceAfterDispatch(visitor);
  19         break;
  20     case TD:
  21         // Missing static_cast<D*>(this)->traceAfterDispatch(visitor);
  22         break;
  23     }
  24 }
  25
  26 void A::traceAfterDispatch(Visitor* visitor)
  27 {
  28 }
  29
  30 void B::traceAfterDispatch(Visitor* visitor)
  31 {
  32     visitor->trace(m_a);
  33     // Missing A::traceAfterDispatch(visitor);
  34     // Also check that calling trace does not count.
  35     A::trace(visitor);
  36 }
  37
  38 void C::traceAfterDispatch(Visitor* visitor)
  39 {
  40     // Missing visitor->trace(m_a);
  41     A::traceAfterDispatch(visitor);
  42 }
  43
  44 void D::traceAfterDispatch(Visitor* visitor)
  45 {
  46     visitor->trace(m_a);
  47     Abstract::traceAfterDispatch(visitor);
  48 }
  49
  50 }