/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Solutions component.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/


#ifndef QSCRIPTNODEPOOL_P_H
#define QSCRIPTNODEPOOL_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 <QHash>
#include <QString>

#include "qscriptmemorypool_p.h"

QT_BEGIN_NAMESPACE

class QScriptEnginePrivate;

namespace QScript {

namespace AST {
class Node;
} // namespace AST

class Code;
class CompilationUnit;

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

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

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

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

private:
    Q_DISABLE_COPY(NodePool)
};

} // namespace QScript

QT_END_NAMESPACE

#endif