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66 lines
2.2 KiB
C++
66 lines
2.2 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_IMPORTERS_H
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#define KDEVPLATFORM_IMPORTERS_H
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#include "../languageexport.h"
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#include "declarationid.h"
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namespace KDevelop {
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class DeclarationId;
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class IndexedDUContext;
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/**
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* Global mapping of Declaration-Ids to contexts that import the associated context, protected through DUChainLock.
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* This is used as an alternative to the local importers list within DUContext, only for indirect imports(Across different files, or with templates).
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*
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* This has the advantage that imports stay valid even if the imported context is deleted temporarily, and stored top-contexts don't need to be
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* changed just because imports were added.
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*
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* To retrieve the actual uses, query the duchain for the files.
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* */
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class KDEVPLATFORMLANGUAGE_EXPORT Importers {
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public:
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/// Constructor.
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Importers();
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/// Destructor.
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~Importers();
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/**
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* Adds a top-context to the users-list of the given id
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* */
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void addImporter(const DeclarationId& id, const IndexedDUContext& use);
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/**
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* Removes the given top-context from the list of uses
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* */
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void removeImporter(const DeclarationId& id, const IndexedDUContext& use);
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///Gets the top-contexts of all users assigned to the declaration-id
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KDevVarLengthArray<IndexedDUContext> importers(const DeclarationId& id) const;
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static Importers& self();
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private:
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class ImportersPrivate* d;
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};
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}
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#endif
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