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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef TRACE_H
#define TRACE_H
#include <QDebug>
#define ENABLE_TRACE
//#define VERBOSE_TRACE
namespace Trace {
class NullDebug
{
public:
template<typename T>
NullDebug &operator<<(const T &)
{
return *this;
}
};
inline NullDebug nullDebug()
{
return NullDebug();
}
template<typename T>
struct PtrWrapper
{
PtrWrapper(const T *ptr) : m_ptr(ptr) { }
const T *const m_ptr;
};
} // namespace Trace
template<typename T>
inline QDebug &operator<<(QDebug &debug, const Trace::PtrWrapper<T> &wrapper)
{
QDebugStateSaver saver(debug);
debug.nospace() << '[' << static_cast<const void *>(wrapper.m_ptr) << ']';
return debug;
}
template<typename T>
inline const void *qtVoidPtr(const T *ptr)
{
return static_cast<const void *>(ptr);
}
#define qtThisPtr() qtVoidPtr(this)
#ifdef ENABLE_TRACE
inline QDebug qtTrace()
{
return qDebug() << "[qmlvideo]";
}
# ifdef VERBOSE_TRACE
inline QDebug qtVerboseTrace()
{
return qtTrace();
}
# else
inline Trace::NullDebug qtVerboseTrace()
{
return Trace::nullDebug();
}
# endif
#else
inline Trace::NullDebug qtTrace()
{
return Trace::nullDebug();
}
inline Trace::NullDebug qtVerboseTrace()
{
return Trace::nullDebug();
}
#endif
#endif // TRACE_H
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