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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "cppprojectupdater.h"
#include "cppmodelmanager.h"
#include "cppprojectinfogenerator.h"
#include <projectexplorer/toolchainmanager.h>
#include <utils/qtcassert.h>
#include <utils/runextensions.h>
namespace CppTools {
CppProjectUpdater::CppProjectUpdater()
{
connect(&m_generateFutureWatcher, &QFutureWatcher<void>::finished,
this, &CppProjectUpdater::onProjectInfoGenerated);
}
CppProjectUpdater::~CppProjectUpdater()
{
cancelAndWaitForFinished();
}
void CppProjectUpdater::update(const ProjectUpdateInfo &projectUpdateInfo)
{
// Stop previous update.
cancelAndWaitForFinished();
m_futureInterface = QFutureInterface<void>();
m_projectUpdateInfo = projectUpdateInfo;
// Ensure that we do not operate on a deleted toolchain.
using namespace ProjectExplorer;
connect(ToolChainManager::instance(), &ToolChainManager::toolChainRemoved,
this, &CppProjectUpdater::onToolChainRemoved);
// Run the project info generator in a worker thread and continue if that one is finished.
const QFuture<ProjectInfo> future = Utils::runAsync([=]() {
Internal::ProjectInfoGenerator generator(m_futureInterface, projectUpdateInfo);
return generator.generate();
});
m_generateFutureWatcher.setFuture(future);
}
void CppProjectUpdater::cancel()
{
disconnect(&m_generateFutureWatcher);
m_futureInterface.cancel();
}
void CppProjectUpdater::cancelAndWaitForFinished()
{
cancel();
m_futureInterface.waitForFinished();
}
void CppProjectUpdater::onToolChainRemoved(ProjectExplorer::ToolChain *t)
{
QTC_ASSERT(t, return);
if (t == m_projectUpdateInfo.cToolChain || t == m_projectUpdateInfo.cxxToolChain)
cancelAndWaitForFinished();
}
void CppProjectUpdater::onProjectInfoGenerated()
{
// From now on we do not access the toolchain anymore, so disconnect.
using namespace ProjectExplorer;
disconnect(ToolChainManager::instance(), &ToolChainManager::toolChainRemoved,
this, &CppProjectUpdater::onToolChainRemoved);
if (m_futureInterface.isCanceled())
return;
QFuture<void> future = CppModelManager::instance()
->updateProjectInfo(m_futureInterface, m_generateFutureWatcher.result());
QTC_CHECK(future != QFuture<void>());
}
} // namespace CppTools
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