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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 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, 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.
**
****************************************************************************/

#ifndef CPLUSPLUS_EXPRESSIONUNDERCURSOR_H
#define CPLUSPLUS_EXPRESSIONUNDERCURSOR_H

#include "CPlusPlusForwardDeclarations.h"
#include <QList>

QT_BEGIN_NAMESPACE
class QString;
class QTextCursor;
QT_END_NAMESPACE

namespace CPlusPlus {

class BackwardsScanner;

class CPLUSPLUS_EXPORT ExpressionUnderCursor
{
public:
    ExpressionUnderCursor();

    QString operator()(const QTextCursor &cursor);
    int startOfFunctionCall(const QTextCursor &cursor) const;

private:
    int startOfExpression(BackwardsScanner &tk, int index);
    int startOfExpression_helper(BackwardsScanner &tk, int index);
    bool isAccessToken(const Token &tk);

private:
    bool _jumpedComma;
};

} // namespace CPlusPlus

#endif // CPLUSPLUS_EXPRESSIONUNDERCURSOR_H