/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
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** 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
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#ifndef ASTPARENT_H
#define ASTPARENT_H

#include <ASTVisitor.h>
#include <QtCore/QHash>
#include <QtCore/QStack>

namespace CPlusPlus {

class CPLUSPLUS_EXPORT ASTParent: protected ASTVisitor
{
public:
    ASTParent(Control *control, AST *rootNode);
    virtual ~ASTParent();

    AST *operator()(AST *ast) const;

    AST *parent(AST *ast) const;
    QList<AST *> path(AST *ast) const;

protected:
    virtual bool preVisit(AST *ast);
    virtual void postVisit(AST *ast);

    void path_helper(AST *ast, QList<AST *> *path) const;

private:
    QHash<AST *, AST *> _parentMap;
    QStack<AST *> _parentStack;
};

} // namespace CPlusPlus

#endif // ASTPARENT_H