/**************************************************************************** | |
** | |
** Copyright (C) 2011 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QDECLARATIVEVME_P_H | |
#define QDECLARATIVEVME_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include "qdeclarativeerror.h" | |
#include "private/qbitfield_p.h" | |
#include <QtCore/QString> | |
#include <QtCore/QStack> | |
QT_BEGIN_NAMESPACE | |
class QObject; | |
class QDeclarativeInstruction; | |
class QDeclarativeCompiledData; | |
class QDeclarativeCompiledData; | |
class QDeclarativeContextData; | |
template<typename T, int N = 128> | |
class QDeclarativeVMEStack { | |
public: | |
QDeclarativeVMEStack() : index(-1), maxSize(N), data((T *)fixedData) {} | |
~QDeclarativeVMEStack() { if (data != (T *)fixedData) qFree(data); } | |
bool isEmpty() const { return index == -1; } | |
const T &top() const { return data[index]; } | |
void push(const T &i) { ++index; if (index == maxSize) realloc(); data[index] = i; } | |
const T &pop() { --index; return data[index + 1]; } | |
int count() const { return index + 1; } | |
const T &at(int idx) { return data[idx]; } | |
private: | |
void realloc() { | |
maxSize += N; | |
if (data != (T *)fixedData) { | |
data = (T*)qRealloc(data, maxSize * sizeof(T)); | |
} else { | |
data = (T*)qMalloc(maxSize * sizeof(T)); | |
} | |
} | |
int index; | |
int maxSize; | |
T *data; | |
char fixedData[N * sizeof(T)]; | |
}; | |
class QDeclarativeVME | |
{ | |
public: | |
QDeclarativeVME(); | |
QObject *run(QDeclarativeContextData *, QDeclarativeCompiledData *, | |
int start = -1, int count = -1, | |
const QBitField & = QBitField()); | |
void runDeferred(QObject *); | |
bool isError() const; | |
QList<QDeclarativeError> errors() const; | |
private: | |
QObject *run(QDeclarativeVMEStack<QObject *> &, | |
QDeclarativeContextData *, QDeclarativeCompiledData *, | |
int start, int count, | |
const QBitField &); | |
QList<QDeclarativeError> vmeErrors; | |
}; | |
QT_END_NAMESPACE | |
#endif // QDECLARATIVEVME_P_H |