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/*
* This file is part of KDevelop
*
* Copyright 2006 Hamish Rodda <rodda@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "parserdependencypolicy.h"
#include <QSet>
#include "parsejob.h"
using namespace ThreadWeaver;
namespace KDevelop
{
bool ParserDependencyPolicy::addDependency(ParseJob* dependency, ParseJob* primaryDependee, ThreadWeaver::Job* actualDependee)
{
QSet<ParseJob*> encountered;
gatherDependencies(dependency, encountered);
if (encountered.contains(primaryDependee))
return false;
m_dependencies.insert(dependency, primaryDependee);
DependencyPolicy::addDependency(dependency, actualDependee ? actualDependee : static_cast<Job*>(primaryDependee));
return true;
}
void ParserDependencyPolicy::destructed(ThreadWeaver::Job *job)
{
DependencyPolicy::destructed(job);
m_dependencies.remove(static_cast<ParseJob*>(job));
}
void ParserDependencyPolicy::gatherDependencies(ParseJob* job, QSet<ParseJob*>& encountered) const
{
encountered.insert(job);
foreach (ParseJob* dependency, m_dependencies.values(job))
gatherDependencies(dependency, encountered);
}
}
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