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/* This file is part of KDevelop
Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
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 EXPRESSIONEVALUATIONRESULT_H
#define EXPRESSIONEVALUATIONRESULT_H
#include "cppduchainexport.h"
#include <language/duchain/appendedlist.h>
#include <language/duchain/declarationid.h>
#include <language/duchain/types/referencetype.h>
#include <language/duchain/types/indexedtype.h>
namespace KDevelop {
class IndexedType;
}
class QString;
namespace Cpp {
using namespace KDevelop;
class KDEVCPPDUCHAIN_EXPORT ExpressionEvaluationResult {
public:
ExpressionEvaluationResult();
~ExpressionEvaluationResult();
ExpressionEvaluationResult(const ExpressionEvaluationResult& rhs);
ExpressionEvaluationResult& operator=(const ExpressionEvaluationResult& rhs);
IndexedType type; ///Type the expression evaluated to, may be zero when the expression failed to evaluate
bool isInstance; ///Whether the result of this expression is an instance(as it normally should be)
DeclarationId instanceDeclaration; ///If this expression is an instance of some type, this either contains the declaration of the instance, or the type
static size_t classSize() {
return sizeof(ExpressionEvaluationResult);
}
///This list contains the declarations found for the item evaluated.
QList<DeclarationId> allDeclarations;
uint allDeclarationsSize() const {
return allDeclarations.size();
}
QList<DeclarationId>& allDeclarationsList() {
return allDeclarations;
}
///@return whether the result is an lvalue
bool isLValue() const {
return isInstance && (instanceDeclaration.isValid() || type.type<ReferenceType>());
}
///@return whether this result is valid(has a type)
bool isValid() const {
return type.isValid();
}
bool operator==(const ExpressionEvaluationResult& rhs) const;
unsigned int hash() const;
///Duchain must be read-locked
IndexedTypeIdentifier identifier() const;
///@return A short version, that only contains the name or value, without instance-information etc. Should be language-processable.
QString toShortString() const;
///it does not matter whether du-chain is locked or not
QString toString() const;
};
}
#endif
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