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/*
SPDX-FileCopyrightText: 2007 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#ifndef KDEVPLATFORM_NAMESPACEALIASDECLARATION_H
#define KDEVPLATFORM_NAMESPACEALIASDECLARATION_H
#include "declaration.h"
#include "declarationdata.h"
namespace KDevelop {
class KDEVPLATFORMLANGUAGE_EXPORT NamespaceAliasDeclarationData
: public DeclarationData
{
public:
NamespaceAliasDeclarationData() {}
NamespaceAliasDeclarationData(const NamespaceAliasDeclarationData& rhs)
: DeclarationData(rhs)
, m_importIdentifier(rhs.m_importIdentifier)
{
}
~NamespaceAliasDeclarationData() = default;
NamespaceAliasDeclarationData& operator=(const NamespaceAliasDeclarationData& rhs) = delete;
IndexedQualifiedIdentifier m_importIdentifier; //The identifier that was imported
};
/**
* A class which represents a "using namespace" statement, or a "namespace A = B" statement.
*
* This class is used by the duchain search process to transparently transform the search according to
* namespace aliases and namespace imports.
*
* A namespace import declaration must have an identifier that equals globalImportIdentifier.
*
* If the identifier of the declaration does not equal globalImportIdentifier, then the declaration
* represents a namespace alias, where the name of the alias equals the declaration. In that case,
* the declaration is additionally added to the persistent symbol table with its real scope and globalAliasIdentifer
* appended, to allow an efficient lookup.
*/
class KDEVPLATFORMLANGUAGE_EXPORT NamespaceAliasDeclaration
: public Declaration
{
public:
NamespaceAliasDeclaration(const NamespaceAliasDeclaration& rhs);
NamespaceAliasDeclaration(const RangeInRevision& range, DUContext* context);
explicit NamespaceAliasDeclaration(NamespaceAliasDeclarationData& data);
~NamespaceAliasDeclaration() override;
NamespaceAliasDeclaration& operator=(const NamespaceAliasDeclaration& rhs) = delete;
///A NamespaceAliasDeclaration cannot have a type, so setAbstractType does nothing here.
void setAbstractType(AbstractType::Ptr type) override;
/**The identifier that was imported.*/
QualifiedIdentifier importIdentifier() const;
/**
* The identifier must be absolute (Resolve it before setting it!)
* Although the identifier is global, the explicitlyGlobal() member must not be set
*/
void setImportIdentifier(const QualifiedIdentifier& id);
void setInSymbolTable(bool inSymbolTable) override;
enum {
Identity = 13
};
using BaseClass = Declaration;
QString toString() const override;
private:
void unregisterAliasIdentifier();
void registerAliasIdentifier();
Declaration* clonePrivate() const override;
DUCHAIN_DECLARE_DATA(NamespaceAliasDeclaration)
};
}
#endif // KDEVPLATFORM_NAMESPACEALIASDECLARATION_H
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