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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#include "qmljssemanticinfoupdater.h"
#include <qmljs/qmljsmodelmanagerinterface.h>
#include <qmljs/qmljsdocument.h>
#include <qmljs/qmljscheck.h>
#include <qmljs/qmljscontext.h>
#include <qmljs/qmljslink.h>
#include <qmljstools/qmljsmodelmanager.h>
namespace QmlJSEditor {
namespace Internal {
SemanticInfoUpdater::SemanticInfoUpdater(QObject *parent)
: QThread(parent),
m_done(false),
m_modelManager(0)
{
}
SemanticInfoUpdater::~SemanticInfoUpdater()
{
}
void SemanticInfoUpdater::abort()
{
QMutexLocker locker(&m_mutex);
m_done = true;
m_condition.wakeOne();
}
void SemanticInfoUpdater::update(const SemanticInfoUpdaterSource &source)
{
QMutexLocker locker(&m_mutex);
m_source = source;
m_condition.wakeOne();
}
bool SemanticInfoUpdater::isOutdated()
{
QMutexLocker locker(&m_mutex);
const bool outdated = ! m_source.fileName.isEmpty() || m_done;
return outdated;
}
void SemanticInfoUpdater::run()
{
setPriority(QThread::LowestPriority);
forever {
m_mutex.lock();
while (! (m_done || ! m_source.fileName.isEmpty()))
m_condition.wait(&m_mutex);
const bool done = m_done;
const SemanticInfoUpdaterSource source = m_source;
m_source.clear();
m_mutex.unlock();
if (done)
break;
const SemanticInfo info = semanticInfo(source);
if (! isOutdated()) {
m_mutex.lock();
m_lastSemanticInfo = info;
m_mutex.unlock();
emit updated(info);
}
}
}
SemanticInfo SemanticInfoUpdater::semanticInfo(const SemanticInfoUpdaterSource &source)
{
m_mutex.lock();
const int revision = m_lastSemanticInfo.revision();
m_mutex.unlock();
QmlJS::Snapshot snapshot;
QmlJS::Document::Ptr doc;
if (! source.force && revision == source.revision) {
m_mutex.lock();
snapshot = m_lastSemanticInfo.snapshot;
doc = m_lastSemanticInfo.document;
m_mutex.unlock();
}
if (! doc) {
snapshot = source.snapshot;
QmlJS::Document::Language language;
if (m_lastSemanticInfo.document)
language = m_lastSemanticInfo.document->language();
else
language = QmlJSTools::languageOfFile(source.fileName);
doc = snapshot.documentFromSource(source.code, source.fileName, language);
doc->setEditorRevision(source.revision);
doc->parse();
snapshot.insert(doc);
}
SemanticInfo semanticInfo;
semanticInfo.snapshot = snapshot;
semanticInfo.document = doc;
QmlJS::ModelManagerInterface *modelManager = QmlJS::ModelManagerInterface::instance();
QmlJS::Link link(snapshot, modelManager->importPaths(), modelManager->builtins(doc));
semanticInfo.context = link(doc, &semanticInfo.semanticMessages);
QmlJS::ScopeChain *scopeChain = new QmlJS::ScopeChain(doc, semanticInfo.context);
semanticInfo.m_rootScopeChain = QSharedPointer<const QmlJS::ScopeChain>(scopeChain);
QmlJS::Check checker(doc, semanticInfo.context);
semanticInfo.semanticMessages.append(checker());
return semanticInfo;
}
void SemanticInfoUpdater::setModelManager(QmlJS::ModelManagerInterface *modelManager)
{
m_modelManager = modelManager;
}
} // namespace Internal
} // namespace QmlJSEditor
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