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/****************************************************************************
**
** Copyright (C) 2016 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 "clangsupportivetranslationunitinitializer.h"
#include "clangjobs.h"
#include "clangtranslationunits.h"
#include <utils/qtcassert.h>
namespace ClangBackEnd {
SupportiveTranslationUnitInitializer::SupportiveTranslationUnitInitializer(
const Document &document,
Jobs &jobs)
: m_document(document)
, m_jobs(jobs)
{
}
void SupportiveTranslationUnitInitializer::setIsDocumentClosedChecker(
const IsDocumentClosedChecker &isDocumentClosedChecker)
{
m_isDocumentClosedChecker = isDocumentClosedChecker;
}
SupportiveTranslationUnitInitializer::State SupportiveTranslationUnitInitializer::state() const
{
return m_state;
}
void SupportiveTranslationUnitInitializer::startInitializing()
{
if (!checkStateAndDocument(State::NotInitialized))
return;
m_document.translationUnits().createAndAppend();
m_jobs.setJobFinishedCallback([this](const Jobs::RunningJob &runningJob, IAsyncJob *) {
checkIfParseJobFinished(runningJob);
return false;
});
addJob(JobRequest::Type::ParseSupportiveTranslationUnit);
m_jobs.process();
m_state = State::WaitingForParseJob;
}
void SupportiveTranslationUnitInitializer::abort()
{
if (m_document.translationUnits().size() > 1)
m_jobs.setJobFinishedCallback(Jobs::JobFinishedCallback());
m_state = State::Aborted;
}
void SupportiveTranslationUnitInitializer::checkIfParseJobFinished(const Jobs::RunningJob &job)
{
if (!checkStateAndDocument(State::WaitingForParseJob))
return;
if (job.jobRequest.type == JobRequest::Type::ParseSupportiveTranslationUnit) {
if (m_document.translationUnits().areAllTranslationUnitsParsed()) {
m_jobs.setJobFinishedCallback(nullptr);
m_state = State::Initialized;
} else {
// The supportive translation unit was parsed, but the document
// revision changed in the meanwhile, so try again.
addJob(JobRequest::Type::ParseSupportiveTranslationUnit);
}
}
}
bool SupportiveTranslationUnitInitializer::checkStateAndDocument(State currentExpectedState)
{
if (m_state != currentExpectedState) {
m_state = State::Aborted;
return false;
}
QTC_CHECK(m_isDocumentClosedChecker);
if (m_isDocumentClosedChecker(m_document.filePath())) {
m_state = State::Aborted;
return false;
}
return true;
}
void SupportiveTranslationUnitInitializer::addJob(JobRequest::Type jobRequestType)
{
const JobRequest jobRequest = m_jobs.createJobRequest(
m_document, jobRequestType, PreferredTranslationUnit::LastUninitialized);
m_jobs.add(jobRequest);
}
void SupportiveTranslationUnitInitializer::setState(const State &state)
{
m_state = state;
}
} // namespace ClangBackEnd
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