/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 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 GNU
** General Public Licensing requirements will be met:
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**
** In addition, as a special exception, Nokia gives you certain additional
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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_TYPE_H
#define CPLUSPLUS_TYPE_H

#include "CPlusPlusForwardDeclarations.h"

CPLUSPLUS_BEGIN_HEADER
CPLUSPLUS_BEGIN_NAMESPACE

class CPLUSPLUS_EXPORT Type
{
    Type(const Type &other);
    void operator =(const Type &other);

public:
    Type();
    virtual ~Type();

    bool isVoidType() const;
    bool isIntegerType() const;
    bool isFloatType() const;
    bool isPointerType() const;
    bool isPointerToMemberType() const;
    bool isReferenceType() const;
    bool isArrayType() const;
    bool isNamedType() const;
    bool isFunction() const;
    bool isNamespace() const;
    bool isClass() const;
    bool isEnum() const;
    bool isScopedSymbol() const;

    const VoidType *asVoidType() const;
    const IntegerType *asIntegerType() const;
    const FloatType *asFloatType() const;
    const PointerType *asPointerType() const;
    const PointerToMemberType *asPointerToMemberType() const;
    const ReferenceType *asReferenceType() const;
    const ArrayType *asArrayType() const;
    const NamedType *asNamedType() const;
    const Function *asFunction() const;
    const Namespace *asNamespace() const;
    const Class *asClass() const;
    const Enum *asEnum() const;
    const ScopedSymbol *asScopedSymbol() const;

    VoidType *asVoidType();
    IntegerType *asIntegerType();
    FloatType *asFloatType();
    PointerType *asPointerType();
    PointerToMemberType *asPointerToMemberType();
    ReferenceType *asReferenceType();
    ArrayType *asArrayType();
    NamedType *asNamedType();
    Function *asFunction();
    Namespace *asNamespace();
    Class *asClass();
    Enum *asEnum();
    ScopedSymbol *asScopedSymbol();

    void accept(TypeVisitor *visitor);
    static void accept(Type *type, TypeVisitor *visitor);

    virtual bool isEqualTo(const Type *other) const = 0;

protected:
    virtual void accept0(TypeVisitor *visitor) = 0;
};

CPLUSPLUS_END_NAMESPACE
CPLUSPLUS_END_HEADER

#endif // CPLUSPLUS_TYPE_H