Qt下监测内存泄漏的方法

class CountCheckerHelper
{
public:
    CountCheckerHelper(const char *className, const char *fileName)
        : m_className(className)
        , m_fileName(fileName)
        , m_refCount(0)
    {
    }
    ~CountCheckerHelper()
    {
        if (m_refCount > 0)
        {
            qDebug() << m_fileName << m_className << "is not delete...";
        }
    }
    void operator ++()
    {
        ++m_refCount;
    }
    void operator --()
    {
        --m_refCount;
    }
private:
    const char *m_className;
    const char *m_fileName;
    unsigned int m_refCount;
};
#define CAPTURE_MEMORY_LEAK(ClassName) \
class CountChecker                     \
{                                      \
public:                                \
    CountChecker()                     \
    {                                  \
        ++counter();                   \
    }                                  \
    ~CountChecker()                    \
    {                                  \
        --counter();                   \
    }                                  \
private:                               \
    CountCheckerHelper &counter()      \
    {                                  \
        static CountCheckerHelper instance(#ClassName, __FILE__);\
        return instance;               \
    }                                  \
} countChecker;                        \

class Object
{
    CAPTURE_MEMORY_LEAK(Object)
public:
    Object()
    {
    }
};
 
int main()
{
    Object *object = new Object();
    return 0;
}