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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEBINDINGOPTIMIZATIONS_P_H
#define QDECLARATIVEBINDINGOPTIMIZATIONS_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 "private/qdeclarativeexpression_p.h"
#include "private/qdeclarativebinding_p.h"
QT_BEGIN_NAMESPACE
struct QDeclarativeBindingCompilerPrivate;
class QDeclarativeBindingCompiler
{
public:
QDeclarativeBindingCompiler();
~QDeclarativeBindingCompiler();
// Returns true if bindings were compiled
bool isValid() const;
struct Expression
{
QDeclarativeParser::Object *component;
QDeclarativeParser::Object *context;
QDeclarativeParser::Property *property;
QDeclarativeParser::Variant expression;
QHash<QString, QDeclarativeParser::Object *> ids;
QDeclarativeImports imports;
};
// -1 on failure, otherwise the binding index to use
int compile(const Expression &, QDeclarativeEnginePrivate *);
// Returns the compiled program
QByteArray program() const;
static void dump(const QByteArray &);
private:
QDeclarativeBindingCompilerPrivate *d;
};
class QDeclarativeCompiledBindingsPrivate;
class QDeclarativeCompiledBindings : public QObject, public QDeclarativeAbstractExpression, public QDeclarativeRefCount
{
public:
QDeclarativeCompiledBindings(const char *program, QDeclarativeContextData *context, QDeclarativeRefCount *);
virtual ~QDeclarativeCompiledBindings();
QDeclarativeAbstractBinding *configBinding(int index, QObject *target, QObject *scope, int property);
protected:
int qt_metacall(QMetaObject::Call, int, void **);
private:
Q_DISABLE_COPY(QDeclarativeCompiledBindings)
Q_DECLARE_PRIVATE(QDeclarativeCompiledBindings)
};
QT_END_NAMESPACE
#endif // QDECLARATIVEBINDINGOPTIMIZATIONS_P_H
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