KDE 4.4 API Reference language/duchain
forwarddeclaration.cpp
00001 /* This file is part of KDevelop 00002 Copyright 2006 Hamish Rodda <rodda@kde.org> 00003 Copyright 2007-2008 David Nolden <david.nolden.kdevelop@art-master.de> 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License version 2 as published by the Free Software Foundation. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public License 00015 along with this library; see the file COPYING.LIB. If not, write to 00016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00017 Boston, MA 02110-1301, USA. 00018 */ 00019 00020 #include "forwarddeclaration.h" 00021 00022 #include <ktexteditor/smartrange.h> 00023 #include <ktexteditor/document.h> 00024 #include <klocale.h> 00025 00026 #include "duchain.h" 00027 #include "duchainlock.h" 00028 #include "ducontext.h" 00029 #include "use.h" 00030 #include "duchainregister.h" 00031 #include "types/identifiedtype.h" 00032 00033 using namespace KTextEditor; 00034 00035 namespace KDevelop 00036 { 00037 REGISTER_DUCHAIN_ITEM(ForwardDeclaration); 00038 00039 ForwardDeclaration::ForwardDeclaration(const ForwardDeclaration& rhs) : Declaration(*new ForwardDeclarationData(*rhs.d_func())) { 00040 setSmartRange(rhs.smartRange(), DocumentRangeObject::DontOwn); 00041 } 00042 00043 ForwardDeclaration::ForwardDeclaration(ForwardDeclarationData& data) : Declaration(data) { 00044 } 00045 00046 ForwardDeclaration::ForwardDeclaration(const SimpleRange& range, DUContext* context ) 00047 : Declaration(*new ForwardDeclarationData, range) 00048 { 00049 d_func_dynamic()->setClassId(this); 00050 if( context ) 00051 setContext( context ); 00052 } 00053 00054 ForwardDeclaration::~ForwardDeclaration() 00055 { 00056 } 00057 00058 QString ForwardDeclaration::toString() const 00059 { 00060 if(context() ) 00061 return qualifiedIdentifier().toString(); 00062 else 00063 return i18n("context-free forward-declaration %1", identifier().toString()); 00064 } 00065 00066 Declaration * ForwardDeclaration::resolve(const TopDUContext* topContext) const 00067 { 00068 ENSURE_CAN_READ 00069 00070 //If we've got a type assigned, that counts as a way of resolution. 00071 AbstractType::Ptr t = abstractType(); 00072 IdentifiedType* idType = dynamic_cast<IdentifiedType*>(t.unsafeData()); 00073 if( idType ) { 00074 Declaration* decl = idType->declaration(topContext); 00075 if(decl && !decl->isForwardDeclaration()) 00076 return decl; 00077 else 00078 return 0; 00079 } 00080 00081 if(!topContext) 00082 topContext = this->topContext(); 00083 00084 QualifiedIdentifier globalIdentifier = qualifiedIdentifier(); 00085 globalIdentifier.setExplicitlyGlobal(true); 00086 00087 //We've got to use DUContext::DirectQualifiedLookup so C++ works correctly. 00088 QList<Declaration*> declarations = topContext->findDeclarations(globalIdentifier, SimpleCursor::invalid(), AbstractType::Ptr(), 0, DUContext::DirectQualifiedLookup); 00089 00090 foreach(Declaration* decl, declarations) { 00091 if( !decl->isForwardDeclaration() ) 00092 return decl; 00093 } 00094 00095 return 0; 00096 } 00097 00098 DUContext * ForwardDeclaration::logicalInternalContext(const TopDUContext* topContext) const 00099 { 00100 ENSURE_CAN_READ 00101 Declaration* resolved = resolve(topContext); 00102 if(resolved && resolved != this) 00103 return resolved->logicalInternalContext(topContext); 00104 else 00105 return Declaration::logicalInternalContext(topContext); 00106 } 00107 00108 bool ForwardDeclaration::isForwardDeclaration() const 00109 { 00110 return true; 00111 } 00112 00113 Declaration* ForwardDeclaration::clonePrivate() const { 00114 return new ForwardDeclaration(*this); 00115 } 00116 00117 } 00118 00119 // kate: space-indent on; indent-width 2; tab-width 4; replace-tabs on; auto-insert-doxygen on
