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/* This file is part of KDevelop
Copyright 2006 Hamish Rodda <rodda@kde.org>
Copyright 2007-2009 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 "indexedducontext.h"
#include "ducontext.h"
#include "ducontextdata.h"
#include "ducontextdynamicdata.h"
#include "topducontext.h"
#include "duchain.h"
#include "topducontextdynamicdata.h"
using namespace KDevelop;
IndexedDUContext::IndexedDUContext(uint topContext, uint contextIndex)
: m_topContext(topContext)
, m_contextIndex(contextIndex)
{
}
IndexedDUContext::IndexedDUContext(DUContext* ctx)
{
if (ctx) {
m_topContext = ctx->topContext()->ownIndex();
m_contextIndex = ctx->m_dynamicData->m_indexInTopContext;
} else {
m_topContext = 0;
m_contextIndex = 0;
}
}
IndexedTopDUContext IndexedDUContext::indexedTopContext() const
{
if (isDummy()) {
return IndexedTopDUContext();
}
return IndexedTopDUContext(m_topContext);
}
DUContext* IndexedDUContext::context() const
{
if (isDummy())
return nullptr;
// ENSURE_CHAIN_READ_LOCKED
if (!m_topContext)
return nullptr;
TopDUContext* ctx = DUChain::self()->chainForIndex(m_topContext);
if (!ctx)
return nullptr;
if (!m_contextIndex)
return ctx;
return ctx->m_dynamicData->contextForIndex(m_contextIndex);
}
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