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/* This file is part of KDevelop
Copyright 2002-2005 Roberto Raggi <roberto@kdevelop.org>
Copyright 2007 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.
*/
#ifndef NAME_VISITOR_H
#define NAME_VISITOR_H
#include "default_visitor.h"
#include <language/duchain/identifier.h>
#include <cppduchainexport.h>
#include "cppducontext.h"
#include <language/duchain/ducontext.h>
class ParseSession;
class OperatorAST;
namespace KDevelop {
class CursorInRevision;
}
namespace Cpp {
class ExpressionVisitor;
}
///This searches for the name while walking its AST.
class KDEVCPPDUCHAIN_EXPORT NameASTVisitor: protected DefaultVisitor
{
public:
///@param context Context in which to look up the name
///@param source The source top-context from where the parsing was triggerd
///@param localVisibilityContext Local context from where to look up template parameters
NameASTVisitor(ParseSession* session, Cpp::ExpressionVisitor* visitor, const KDevelop::DUContext* context, const KDevelop::TopDUContext* source, const KDevelop::DUContext* localVisibilityContext, const KDevelop::CursorInRevision& position, KDevelop::DUContext::SearchFlags localSearchFlags = KDevelop::DUContext::NoSearchFlags, bool debug = false);
void run(NameAST *node, bool skipLastNamePart = false);
///@param skipThisName if this is true, only the template-parameters of the given node are processed
void run(UnqualifiedNameAST *node, bool skipThisName = false);
QString name() const { if(m_stopSearch) return QString(); return _M_name.toString(); }
QStringList qualifiedName() const { if(m_stopSearch) return QStringList(); return _M_name.toStringList(); }
const KDevelop::QualifiedIdentifier& identifier() const;
/**
* When the name contains one type-specifier, this should contain that specifier after the run.
* Especially this is the type-specifier of a conversion-operator like "operator int()"
* */
TypeSpecifierAST* lastTypeSpecifier() const;
///Retrieve the declarations found for the name
QList<KDevelop::DeclarationPointer> declarations() const;
bool stoppedSearch() const {
return m_stopSearch;
}
///Whether at least one part of the scope could be resolved
DeclarationPointer foundSomething() const;
///This can be used from outside to only process the type of a template-argument.
///This NameASTVisitor will be in an invalid state after this is called, so don't continue using it!
Cpp::ExpressionEvaluationResult processTemplateArgument(TemplateArgumentAST *node);
protected:
virtual void visitUnqualifiedName(UnqualifiedNameAST *node);
void visitTemplateArgument(TemplateArgumentAST *node);
private:
ParseSession* m_session;
Cpp::ExpressionVisitor* m_visitor;
const KDevelop::DUContext* m_context;
const KDevelop::TopDUContext* m_source;
const KDevelop::DUContext* m_localContext;
TypeSpecifierAST* m_typeSpecifier;
KDevelop::Identifier m_currentIdentifier;
KDevelop::QualifiedIdentifier _M_name;
Cpp::FindDeclaration m_find;
bool m_debug;
UnqualifiedNameAST* m_finalName;
KDevelop::DUContext::SearchFlags m_flags;
bool m_stopSearch;
DeclarationPointer m_foundSomething;
};
QString decode(ParseSession* session, AST* ast, bool without_spaces = false);
#endif // NAME_VISITOR_H
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