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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtDeclarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QPERFORMANCELOG_H
-#define QPERFORMANCELOG_H
-
-#include <QtCore/qdatetime.h>
-
-QT_BEGIN_NAMESPACE
-
-namespace QPerformanceLog
-{
- Q_DECLARATIVE_EXPORT void displayData();
- Q_DECLARATIVE_EXPORT void clear();
-
-#ifdef Q_ENABLE_PERFORMANCE_LOG
- struct LogData {
- LogData(const char *);
- QTime timer;
- int sumTime;
- unsigned int *data;
- };
-
- struct LogMetric {
- LogMetric(LogData *, int, const char *);
- };
-
- // Internal
- void displayData(LogData *);
- void clear(LogData *);
-#endif
-}
-
-#ifdef Q_ENABLE_PERFORMANCE_LOG
-
-#define Q_DECLARE_PERFORMANCE_METRIC(name) \
- enum { name = ValueChoice<0, ValueTracker<0, __LINE__>::value, __LINE__>::value }; \
- template<int L> \
- struct ValueTracker<name, L> \
- { \
- enum { value = name }; \
- }; \
- extern QPerformanceLog::LogMetric metric ## name;
-
-#define Q_DECLARE_PERFORMANCE_LOG(name) \
- namespace name { \
- extern QPerformanceLog::LogData log; \
- inline void displayData() { QPerformanceLog::displayData(&log); } \
- inline void clear() { QPerformanceLog::clear(&log); } \
- } \
- template<int N> \
- class name ## Timer { \
- public: \
- name ## Timer() { \
- lastSum = name::log.sumTime + name::log.timer.restart(); \
- name::log.sumTime = 0; \
- } \
- ~ name ## Timer() { \
- name::log.data[2 * N] += name::log.sumTime + name::log.timer.restart(); \
- ++name::log.data[2 * N + 1]; \
- name::log.sumTime = lastSum; \
- } \
- private: \
- int lastSum; \
- }; \
- namespace name { \
- template<int N, int L> \
- struct ValueTracker \
- { \
- enum { value = -1 }; \
- }; \
- template<int DefNextValue, int NextValue, int L> \
- struct ValueChoice \
- { \
- enum { value = ValueChoice<DefNextValue + 1, ValueTracker<DefNextValue + 1, L>::value, L>::value }; \
- }; \
- template<int DefNextValue, int L> \
- struct ValueChoice<DefNextValue, -1, L> \
- { \
- enum { value = DefNextValue }; \
- }; \
- } \
- namespace name
-
-#define Q_DEFINE_PERFORMANCE_LOG(name, desc) \
- QPerformanceLog::LogData name::log(desc); \
- namespace name
-
-#define Q_DEFINE_PERFORMANCE_METRIC(name, desc) \
- QPerformanceLog::LogMetric metrix ## name(&log, name, desc);
-
-#else // Q_ENABLE_PERFORMANCE_LOG
-
-#define Q_DECLARE_PERFORMANCE_METRIC(name)
-#define Q_DECLARE_PERFORMANCE_LOG(name) namespace name
-#define Q_DEFINE_PERFORMANCE_LOG(name, desc) namespace name
-#define Q_DEFINE_PERFORMANCE_METRIC(name, desc)
-
-#endif // Q_ENABLE_PERFORMANCE_LOG
-
-QT_END_NAMESPACE
-
-#endif // QPERFORMANCELOG_H