/****************************************************************************

**

** 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 QDECLARATIVEREWRITE_P_H

#define QDECLARATIVEREWRITE_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 "rewriter/textwriter_p.h"

#include "parser/qdeclarativejslexer_p.h"

#include "parser/qdeclarativejsparser_p.h"

#include "parser/qdeclarativejsnodepool_p.h"

QT_BEGIN_NAMESPACE

namespace QDeclarativeRewrite {

using namespace QDeclarativeJS;

class SharedBindingTester : protected AST::Visitor

{

    bool _sharable;

public:

    bool isSharable(const QString &code);

    virtual bool visit(AST::FunctionDeclaration *) { _sharable = false; return false; }

    virtual bool visit(AST::FunctionExpression *) { _sharable = false; return false; }

    virtual bool visit(AST::CallExpression *) { _sharable = false; return false; }

};

class RewriteBinding: protected AST::Visitor

{

    unsigned _position;

    TextWriter *_writer;

public:

    QString operator()(const QString &code, bool *ok = 0);

protected:

    using AST::Visitor::visit;

    void accept(AST::Node *node);

    QString rewrite(QString code, unsigned position, AST::Statement *node);

    virtual bool visit(AST::Block *ast);

    virtual bool visit(AST::ExpressionStatement *ast);

    virtual bool visit(AST::DoWhileStatement *ast);

    virtual void endVisit(AST::DoWhileStatement *ast);

    virtual bool visit(AST::WhileStatement *ast);

    virtual void endVisit(AST::WhileStatement *ast);

    virtual bool visit(AST::ForStatement *ast);

    virtual void endVisit(AST::ForStatement *ast);

    virtual bool visit(AST::LocalForStatement *ast);

    virtual void endVisit(AST::LocalForStatement *ast);

    virtual bool visit(AST::ForEachStatement *ast);

    virtual void endVisit(AST::ForEachStatement *ast);

    virtual bool visit(AST::LocalForEachStatement *ast);

    virtual void endVisit(AST::LocalForEachStatement *ast);

private:

    int _inLoop;

};

} // namespace QDeclarativeRewrite

QT_END_NAMESPACE

#endif // QDECLARATIVEREWRITE_P_H