Scope.h 3.8 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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** GNU Lesser General Public License Usage
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**
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** 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.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**************************************************************************/
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// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef CPLUSPLUS_SCOPE_H
#define CPLUSPLUS_SCOPE_H

#include "CPlusPlusForwardDeclarations.h"
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#include "Symbol.h"
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#include "Names.h"
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namespace CPlusPlus {
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class CPLUSPLUS_EXPORT Scope: public Symbol
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{
public:
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    Scope(TranslationUnit *translationUnit, unsigned sourceLocation, const Name *name);
    virtual ~Scope();
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    /// Adds a Symbol to this Scope.
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    void addMember(Symbol *symbol);
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    /// Returns true if this Scope is empty; otherwise returns false.
    bool isEmpty() const;

    /// Returns the number of symbols is in the scope.
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    unsigned memberCount() const;
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    /// Returns the Symbol at the given position.
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    Symbol *memberAt(unsigned index) const;

    typedef Symbol **iterator;
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    /// Returns the first Symbol in the scope.
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    iterator firstMember() const;
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    /// Returns the last Symbol in the scope.
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    iterator lastMember() const;
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    Symbol *find(const Identifier *id) const;
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    Symbol *find(OperatorNameId::Kind operatorId) const;
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    /// Set the start offset of the scope
    unsigned startOffset() const;
    void setStartOffset(unsigned offset);

    /// Set the end offset of the scope
    unsigned endOffset() const;
    void setEndOffset(unsigned offset);

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    virtual const Scope *asScope() const
    { return this; }
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    virtual Scope *asScope()
    { return this; }
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private:
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    SymbolTable *_members;
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    unsigned _startOffset;
    unsigned _endOffset;
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};

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} // namespace CPlusPlus
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#endif // CPLUSPLUS_SCOPE_H