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39#ifndef REFCOUNTED_H
40#define REFCOUNTED_H
41
42#include "PassRefPtr.h"
43
44template <typename Base>
45class RefCounted {
46public:
47 RefCounted() : m_refCount(1) {}
48 ~RefCounted()
49 {
50 deref();
51 }
52
53 void ref()
54 {
55 ++m_refCount;
56 }
57
58 void deref()
59 {
60 if (!--m_refCount)
61 delete static_cast<Base*>(this);
62 }
63
64protected:
65 int m_refCount;
66};
67
68#endif // REFCOUNTED_H
69

source code of qtdeclarative/src/3rdparty/masm/stubs/wtf/RefCounted.h