typesystem.h

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/* This file is part of KDevelop
    Copyright 2006 Roberto Raggi <[email protected]>
    Copyright 2006-2008 Hamish Rodda <[email protected]>
    Copyright 2007-2008 David Nolden <[email protected]>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.
 
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
 */
 
#ifndef KDEVPLATFORM_TYPESYSTEM_H
#define KDEVPLATFORM_TYPESYSTEM_H
 
#include "typepointer.h"
#include "../identifier.h"
#include "abstracttype.h"
 
namespace KDevelop {
class AbstractTypeDataRequest;
 
class AbstractType;
class IntegralType;
class PointerType;
class ReferenceType;
class FunctionType;
class StructureType;
class ArrayType;
 
class TypeExchanger;
 
class KDEVPLATFORMLANGUAGE_EXPORT TypeVisitor
{
public:
    virtual ~TypeVisitor ();
 
    virtual bool preVisit (const AbstractType*) = 0;
    virtual void postVisit (const AbstractType*) = 0;
 
    virtual bool visit(const AbstractType*) = 0;
 
    virtual void visit (const IntegralType*) = 0;
 
    virtual bool visit (const PointerType*) = 0;
    virtual void endVisit (const PointerType*) = 0;
 
    virtual bool visit (const ReferenceType*) = 0;
    virtual void endVisit (const ReferenceType*) = 0;
 
    virtual bool visit (const FunctionType*) = 0;
    virtual void endVisit (const FunctionType*) = 0;
 
    virtual bool visit (const StructureType*) = 0;
    virtual void endVisit (const StructureType*) = 0;
 
    virtual bool visit (const ArrayType*) = 0;
    virtual void endVisit (const ArrayType*) = 0;
};
 
class KDEVPLATFORMLANGUAGE_EXPORT SimpleTypeVisitor
    : public TypeVisitor
{
public:
    using TypeVisitor::visit;
 
    bool preVisit (const AbstractType*) override;
    void postVisit (const AbstractType*) override;
 
    void visit (const IntegralType*) override;
 
    bool visit (const PointerType*) override;
    void endVisit (const PointerType*) override;
 
    bool visit (const ReferenceType*) override;
    void endVisit (const ReferenceType*) override;
 
    bool visit (const FunctionType*) override;
    void endVisit (const FunctionType*) override;
 
    bool visit (const StructureType*) override;
    void endVisit (const StructureType*) override;
 
    bool visit (const ArrayType*) override;
    void endVisit (const ArrayType*) override;
};
 
class KDEVPLATFORMLANGUAGE_EXPORT TypeExchanger
{
public:
    virtual ~TypeExchanger()
    {
    }
 
    virtual AbstractType::Ptr exchange(const AbstractType::Ptr&);
};
 
class KDEVPLATFORMLANGUAGE_EXPORT SimpleTypeExchanger
    : public TypeExchanger
{
public:
    SimpleTypeExchanger(const AbstractType::Ptr& replace, const AbstractType::Ptr& replaceWith);
    AbstractType::Ptr exchange(const AbstractType::Ptr&) override;
 
private:
    AbstractType::Ptr m_replace, m_replaceWith;
};
}
 
#endif // KDEVPLATFORM_TYPESYSTEM_H