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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 "finalize_after_dispatch.h"
6 
7 namespace blink {
8 
toB(A * a)9 static B* toB(A* a) { return static_cast<B*>(a); }
10 
trace(Visitor * visitor)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         static_cast<D*>(this)->traceAfterDispatch(visitor);
22         break;
23     }
24 }
25 
traceAfterDispatch(Visitor * visitor)26 void A::traceAfterDispatch(Visitor* visitor)
27 {
28 }
29 
finalizeGarbageCollectedObject()30 void A::finalizeGarbageCollectedObject()
31 {
32     switch (m_type) {
33     case TB:
34         toB(this)->~B();
35         break;
36     case TC:
37         static_cast<C*>(this)->~C();
38         break;
39     case TD:
40         // Missing static_cast<D*>(this)->~D();
41         break;
42     }
43 }
44 
traceAfterDispatch(Visitor * visitor)45 void B::traceAfterDispatch(Visitor* visitor)
46 {
47     visitor->trace(m_a);
48     A::traceAfterDispatch(visitor);
49 }
50 
traceAfterDispatch(Visitor * visitor)51 void C::traceAfterDispatch(Visitor* visitor)
52 {
53     visitor->trace(m_a);
54     A::traceAfterDispatch(visitor);
55 }
56 
traceAfterDispatch(Visitor * visitor)57 void D::traceAfterDispatch(Visitor* visitor)
58 {
59     visitor->trace(m_a);
60     Abstract::traceAfterDispatch(visitor);
61 }
62 
63 }
64