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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 the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// 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"
namespace CPlusPlus {
class CPLUSPLUS_EXPORT Scope
{
Scope(const Scope &other);
void operator =(const Scope &other);
public:
typedef Symbol **iterator;
public:
/// Constructs an empty Scope.
Scope(ScopedSymbol *owner = 0);
/// Destroy this scope.
~Scope();
/// Returns this scope's owner Symbol.
ScopedSymbol *owner() const;
/// Sets this scope's owner Symbol.
void setOwner(ScopedSymbol *owner); // ### remove me
/// Returns the enclosing scope.
Scope *enclosingScope() const;
/// Returns the eclosing namespace scope.
Scope *enclosingNamespaceScope() const;
/// Returns the enclosing class scope.
Scope *enclosingClassScope() const;
/// Returns the enclosing enum scope.
Scope *enclosingEnumScope() const;
/// Rerturns the enclosing function scope.
Scope *enclosingFunctionScope() const;
/// Rerturns the enclosing Block scope.
Scope *enclosingBlockScope() const;
/// Returns true if this scope's owner is a Namespace Symbol.
bool isNamespaceScope() const;
/// Returns true if this scope's owner is a Class Symbol.
bool isClassScope() const;
/// Returns true if this scope's owner is an Enum Symbol.
bool isEnumScope() const;
/// Returns true if this scope's owner is a Block Symbol.
bool isBlockScope() const;
/// Returns true if this scope's owner is a Function Symbol.
bool isFunctionScope() const;
/// Returns true if this scope's owner is a Prototype Symbol.
bool isPrototypeScope() const;
/// Returns true if this scope's owner is an ObjCClass Symbol.
bool isObjCClassScope() const;
/// Returns true if this scope's owner is an ObjCMethod symbol.
bool isObjCMethodScope() const;
/// Adds a Symbol to this Scope.
void enterSymbol(Symbol *symbol);
/// Returns true if this Scope is empty; otherwise returns false.
bool isEmpty() const;
/// Returns the number of symbols is in the scope.
unsigned symbolCount() const;
/// Returns the Symbol at the given position.
Symbol *symbolAt(unsigned index) const;
/// Returns the first Symbol in the scope.
iterator firstSymbol() const;
/// Returns the last Symbol in the scope.
iterator lastSymbol() const;
Symbol *lookat(const Name *name) const;
Symbol *lookat(const Identifier *id) const;
Symbol *lookat(int operatorId) const;
private:
/// Returns the hash value for the given Symbol.
unsigned hashValue(Symbol *symbol) const;
/// Updates the hash table.
void rehash();
private:
enum { DefaultInitialSize = 11 };
ScopedSymbol *_owner;
Symbol **_symbols;
int _allocatedSymbols;
int _symbolCount;
Symbol **_hash;
int _hashSize;
};
} // end of namespace CPlusPlus
#endif // CPLUSPLUS_SCOPE_H
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