ASTPath.h 2.35 KB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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.
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**
** GNU Lesser General Public License Usage
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** 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
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**
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** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#ifndef CPLUSPLUS_ASTPATH_H
#define CPLUSPLUS_ASTPATH_H
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#include <cplusplus/ASTfwd.h>
#include <cplusplus/ASTVisitor.h>
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#include "CppDocument.h"
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#include <QList>
#include <QTextCursor>
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#undef WITH_AST_PATH_DUMP
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namespace CPlusPlus {

class CPLUSPLUS_EXPORT ASTPath: public ASTVisitor
{
public:
    ASTPath(Document::Ptr doc)
        : ASTVisitor(doc->translationUnit()),
          _doc(doc), _line(0), _column(0)
    {}

    QList<AST *> operator()(const QTextCursor &cursor)
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    { return this->operator()(cursor.blockNumber() + 1, cursor.positionInBlock() + 1); }
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    /// line and column are 1-based!
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    QList<AST *> operator()(int line, int column);

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#ifdef WITH_AST_PATH_DUMP
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    static void dump(const QList<AST *> nodes);
#endif

protected:
    virtual bool preVisit(AST *ast);

private:
    Document::Ptr _doc;
    unsigned _line;
    unsigned _column;
    QList<AST *> _nodes;
};

} // namespace CppTools

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#endif // CPLUSPLUS_ASTPATH_H