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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 QDECLARATIVEJSNODEPOOL_P_H
#define QDECLARATIVEJSNODEPOOL_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 "qdeclarativejsglobal_p.h"
#include "qdeclarativejsmemorypool_p.h"

#include <QtCore/QHash>
#include <QtCore/QString>

QT_QML_BEGIN_NAMESPACE

namespace QDeclarativeJS {

namespace AST {
class Node;
} // namespace AST

class Code;
class CompilationUnit;
class Engine;

template <typename NodeType>
inline NodeType *makeAstNode(MemoryPool *storage)
{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType();
    return node;
}

template <typename NodeType, typename Arg1>
inline NodeType *makeAstNode(MemoryPool *storage, Arg1 arg1)
{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1);
    return node;
}

template <typename NodeType, typename Arg1, typename Arg2>
inline NodeType *makeAstNode(MemoryPool *storage, Arg1 arg1, Arg2 arg2)
{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1, arg2);
    return node;
}

template <typename NodeType, typename Arg1, typename Arg2, typename Arg3>
inline NodeType *makeAstNode(MemoryPool *storage, Arg1 arg1, Arg2 arg2, Arg3 arg3)
{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1, arg2, arg3);
    return node;
}

template <typename NodeType, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
inline NodeType *makeAstNode(MemoryPool *storage, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4)
{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1, arg2, arg3, arg4);
    return node;
}

class QML_PARSER_EXPORT NodePool : public MemoryPool
{
public:
    NodePool(const QString &fileName, Engine *engine);
    virtual ~NodePool();

    Code *createCompiledCode(AST::Node *node, CompilationUnit &compilation);

    inline QString fileName() const { return m_fileName; }
    inline Engine *engine() const { return m_engine; }
#ifndef J_SCRIPT_NO_EVENT_NOTIFY
    inline qint64 id() const { return m_id; }
#endif

private:
    QHash<AST::Node*, Code*> m_codeCache;
    QString m_fileName;
    Engine *m_engine;
#ifndef J_SCRIPT_NO_EVENT_NOTIFY
    qint64 m_id;
#endif

private:
    Q_DISABLE_COPY(NodePool)
};

} // namespace QDeclarativeJS

QT_QML_END_NAMESPACE

#endif