qt-creator/src/libs/cplusplus/ExpressionUnderCursor.h

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#ifndef CPLUSPLUS_EXPRESSIONUNDERCURSOR_H
#define CPLUSPLUS_EXPRESSIONUNDERCURSOR_H

#include <cplusplus/CPlusPlusForwardDeclarations.h>
#include <cplusplus/Token.h>

#include <QList>

QT_BEGIN_NAMESPACE
class QString;
class QTextCursor;
QT_END_NAMESPACE

namespace CPlusPlus {

class BackwardsScanner;

class CPLUSPLUS_EXPORT ExpressionUnderCursor
{
public:
    ExpressionUnderCursor(const LanguageFeatures &languageFeatures);

    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;
    LanguageFeatures _languageFeatures;
};

} // namespace CPlusPlus

#endif // CPLUSPLUS_EXPRESSIONUNDERCURSOR_H