kde-extraapps/kdevplatform/language/duchain/forwarddeclaration.cpp
2015-07-26 14:23:17 +03:00

117 lines
3.4 KiB
C++

/* This file is part of KDevelop
Copyright 2006 Hamish Rodda <rodda@kde.org>
Copyright 2007-2008 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.
*/
#include "forwarddeclaration.h"
#include <ktexteditor/document.h>
#include <klocale.h>
#include "duchain.h"
#include "duchainlock.h"
#include "ducontext.h"
#include "use.h"
#include "duchainregister.h"
#include "types/identifiedtype.h"
using namespace KTextEditor;
namespace KDevelop
{
REGISTER_DUCHAIN_ITEM(ForwardDeclaration);
ForwardDeclaration::ForwardDeclaration(const ForwardDeclaration& rhs) : Declaration(*new ForwardDeclarationData(*rhs.d_func())) {
}
ForwardDeclaration::ForwardDeclaration(ForwardDeclarationData& data) : Declaration(data) {
}
ForwardDeclaration::ForwardDeclaration(const RangeInRevision& range, DUContext* context )
: Declaration(*new ForwardDeclarationData, range)
{
d_func_dynamic()->setClassId(this);
if( context )
setContext( context );
}
ForwardDeclaration::~ForwardDeclaration()
{
}
QString ForwardDeclaration::toString() const
{
if(context() )
return qualifiedIdentifier().toString();
else
return i18n("context-free forward-declaration %1", identifier().toString());
}
Declaration * ForwardDeclaration::resolve(const TopDUContext* topContext) const
{
ENSURE_CAN_READ
//If we've got a type assigned, that counts as a way of resolution.
AbstractType::Ptr t = abstractType();
IdentifiedType* idType = dynamic_cast<IdentifiedType*>(t.unsafeData());
if( idType ) {
Declaration* decl = idType->declaration(topContext);
if(decl && !decl->isForwardDeclaration())
return decl;
else
return 0;
}
if(!topContext)
topContext = this->topContext();
QualifiedIdentifier globalIdentifier = qualifiedIdentifier();
globalIdentifier.setExplicitlyGlobal(true);
//We've got to use DUContext::DirectQualifiedLookup so C++ works correctly.
QList<Declaration*> declarations = topContext->findDeclarations(globalIdentifier, CursorInRevision::invalid(), AbstractType::Ptr(), 0, DUContext::DirectQualifiedLookup);
foreach(Declaration* decl, declarations) {
if( !decl->isForwardDeclaration() )
return decl;
}
return 0;
}
DUContext * ForwardDeclaration::logicalInternalContext(const TopDUContext* topContext) const
{
ENSURE_CAN_READ
Declaration* resolved = resolve(topContext);
if(resolved && resolved != this)
return resolved->logicalInternalContext(topContext);
else
return Declaration::logicalInternalContext(topContext);
}
bool ForwardDeclaration::isForwardDeclaration() const
{
return true;
}
Declaration* ForwardDeclaration::clonePrivate() const {
return new ForwardDeclaration(*this);
}
}
// kate: space-indent on; indent-width 2; tab-width 4; replace-tabs on; auto-insert-doxygen on