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70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/* This file is part of KDevelop
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Copyright 2008 David Nolden<david.nolden.kdevelop@art-master.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KDEVPLATFORM_DEFINITIONUSE_H
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#define KDEVPLATFORM_DEFINITIONUSE_H
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#include <limits>
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#include "../editor/rangeinrevision.h"
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#include "../languageexport.h"
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namespace KDevelop
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{
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class TopDUContext;
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class Declaration;
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/**
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* Represents a position in a document where a specific declaration is used.
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*
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* Since we want to build uses for all files, and every single function may contain
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* tens to hundreds of uses, uses must be extremely light-weight.
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*
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* For that reason they are built in a way that a use can completely be stored in a simple vector,
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* and they only contain indices that represent the actual declaration used. Since the same
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* Declarations are used over and over again, the actual declarations are stored and indexed centrally
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* in the enclosing top-context. Additionally, because a use may refer to a not globally adressable item,
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* each top-context contains a local map that maps declaration-indices to local decarations.
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*
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* Since only a small fraction of all files is loaded as document at any time, only few documents actually
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* need smart-ranges. For that reason we do not store them here, but instead only map them to the uses
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* when there actually IS smart-ranges for them.
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*/
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class KDEVPLATFORMLANGUAGE_EXPORT Use
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{
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public:
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Use(const RangeInRevision& range = RangeInRevision::invalid(), int declarationIndex = std::numeric_limits<int>::max())
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: m_range(range)
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, m_declarationIndex(declarationIndex)
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{
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}
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Declaration* usedDeclaration(TopDUContext* topContext) const;
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RangeInRevision m_range;
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int m_declarationIndex;
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};
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}
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Q_DECLARE_TYPEINFO(KDevelop::Use, Q_MOVABLE_TYPE);
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#endif // KDEVPLATFORM_DEFINITIONUSE_H
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// kate: space-indent on; indent-width 2; tab-width 4; replace-tabs on; auto-insert-doxygen on
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