diff --git a/language/backgroundparser/backgroundparser.cpp b/language/backgroundparser/backgroundparser.cpp index 2fb1e03e9e..26004c2981 100644 --- a/language/backgroundparser/backgroundparser.cpp +++ b/language/backgroundparser/backgroundparser.cpp @@ -1,916 +1,941 @@ /* * This file is part of KDevelop * * Copyright 2006 Adam Treat * Copyright 2007 Kris Wong * Copyright 2007-2008 David Nolden * * 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 "backgroundparser.h" +#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "util/debug.h" #include "parsejob.h" #include using namespace KDevelop; namespace { const bool separateThreadForHighPriority = true; /** * Elides string in @p path, e.g. "VEEERY/LONG/PATH" -> ".../LONG/PATH" * - probably much faster than QFontMetrics::elidedText() * - we dont need a widget context * - takes path separators into account * * @p width Maximum number of characters * * TODO: Move to kdevutil? */ QString elidedPathLeft(const QString& path, int width) { static const QChar separator = QDir::separator(); static const QString placeholder = QStringLiteral("..."); if (path.size() <= width) { return path; } int start = (path.size() - width) + placeholder.size(); int pos = path.indexOf(separator, start); if (pos == -1) { pos = start; // no separator => just cut off the path at the beginning } Q_ASSERT(path.size() - pos >= 0 && path.size() - pos <= width); QStringRef elidedText = path.rightRef(path.size() - pos); QString result = placeholder; result.append(elidedText); return result; } /** * @return true if @p url is non-empty, valid and has a clean path, false otherwise. */ inline bool isValidURL(const IndexedString& url) { if (url.isEmpty()) { return false; } QUrl original = url.toUrl(); if (!original.isValid() || original.isRelative() || (original.fileName().isEmpty() && original.isLocalFile())) { qCWarning(LANGUAGE) << "INVALID URL ENCOUNTERED:" << url << original; return false; } QUrl cleaned = original.adjusted(QUrl::NormalizePathSegments); return original == cleaned; } } struct DocumentParseTarget { QPointer notifyWhenReady; int priority; TopDUContext::Features features; ParseJob::SequentialProcessingFlags sequentialProcessingFlags; bool operator==(const DocumentParseTarget& rhs) const { return notifyWhenReady == rhs.notifyWhenReady && priority == rhs.priority && features == rhs.features; } }; inline uint qHash(const DocumentParseTarget& target) { return target.features * 7 + target.priority * 13 + target.sequentialProcessingFlags * 17 + reinterpret_cast(target.notifyWhenReady.data()); }; struct DocumentParsePlan { QSet targets; ParseJob::SequentialProcessingFlags sequentialProcessingFlags() const { //Pick the strictest possible flags ParseJob::SequentialProcessingFlags ret = ParseJob::IgnoresSequentialProcessing; foreach(const DocumentParseTarget &target, targets) { ret |= target.sequentialProcessingFlags; } return ret; } int priority() const { //Pick the best priority int ret = BackgroundParser::WorstPriority; foreach(const DocumentParseTarget &target, targets) { if(target.priority < ret) { ret = target.priority; } } return ret; } TopDUContext::Features features() const { //Pick the best features TopDUContext::Features ret = (TopDUContext::Features)0; foreach(const DocumentParseTarget &target, targets) { ret = (TopDUContext::Features) (ret | target.features); } return ret; } QList > notifyWhenReady() const { QList > ret; foreach(const DocumentParseTarget &target, targets) { if(target.notifyWhenReady) ret << target.notifyWhenReady; } return ret; } }; Q_DECLARE_TYPEINFO(DocumentParseTarget, Q_MOVABLE_TYPE); Q_DECLARE_TYPEINFO(DocumentParsePlan, Q_MOVABLE_TYPE); class KDevelop::BackgroundParserPrivate { public: BackgroundParserPrivate(BackgroundParser *parser, ILanguageController *languageController) :m_parser(parser), m_languageController(languageController), m_shuttingDown(false), m_mutex(QMutex::Recursive) { parser->d = this; //Set this so we can safely call back BackgroundParser from within loadSettings() m_timer.setSingleShot(true); m_progressTimer.setSingleShot(true); m_progressTimer.setInterval(500); ThreadWeaver::setDebugLevel(true, 1); QObject::connect(&m_timer, &QTimer::timeout, m_parser, &BackgroundParser::parseDocuments); QObject::connect(&m_progressTimer, &QTimer::timeout, m_parser, &BackgroundParser::updateProgressBar); } void startTimerThreadSafe(int delay) { QMetaObject::invokeMethod(m_parser, "startTimer", Qt::QueuedConnection, Q_ARG(int, delay)); } ~BackgroundParserPrivate() { m_weaver.resume(); m_weaver.finish(); } // Non-mutex guarded functions, only call with m_mutex acquired. int currentBestRunningPriority() const { int bestRunningPriority = BackgroundParser::WorstPriority; for (const auto* decorator : m_parseJobs) { const ParseJob* parseJob = dynamic_cast(decorator->job()); Q_ASSERT(parseJob); if (parseJob->respectsSequentialProcessing() && parseJob->parsePriority() < bestRunningPriority) { bestRunningPriority = parseJob->parsePriority(); } } return bestRunningPriority; } IndexedString nextDocumentToParse() const { // Before starting a new job, first wait for all higher-priority ones to finish. // That way, parse job priorities can be used for dependency handling. const int bestRunningPriority = currentBestRunningPriority(); for (auto it1 = m_documentsForPriority.begin(); it1 != m_documentsForPriority.end(); ++it1 ) { const auto priority = it1.key(); if(priority > m_neededPriority) break; //The priority is not good enough to be processed right now if (m_parseJobs.count() >= m_threads && priority > BackgroundParser::NormalPriority && !specialParseJob) { break; //The additional parsing thread is reserved for higher priority parsing } for (const auto& url : it1.value()) { // When a document is scheduled for parsing while it is being parsed, it will be parsed // again once the job finished, but not now. if (m_parseJobs.contains(url)) { continue; } Q_ASSERT(m_documents.contains(url)); const auto& parsePlan = m_documents[url]; // If the current job requires sequential processing, but not all jobs with a better priority have been // completed yet, it will not be created now. if ( parsePlan.sequentialProcessingFlags() & ParseJob::RequiresSequentialProcessing && parsePlan.priority() > bestRunningPriority ) { continue; } return url; } } return {}; } /** * Create a single delayed parse job * * E.g. jobs for documents which have been changed by the user, but also to * handle initial startup where we parse all project files. */ void parseDocumentsInternal() { if(m_shuttingDown) return; //Only create parse-jobs for up to thread-count * 2 documents, so we don't fill the memory unnecessarily if (m_parseJobs.count() >= m_threads+1 || (m_parseJobs.count() >= m_threads && !separateThreadForHighPriority)) { return; } const auto& url = nextDocumentToParse(); if (!url.isEmpty()) { qCDebug(LANGUAGE) << "creating parse-job" << url << "new count of active parse-jobs:" << m_parseJobs.count() + 1; const QString elidedPathString = elidedPathLeft(url.str(), 70); emit m_parser->showMessage(m_parser, i18n("Parsing: %1", elidedPathString)); ThreadWeaver::QObjectDecorator* decorator = nullptr; { // copy shared data before unlocking the mutex const auto parsePlanConstIt = m_documents.constFind(url); const DocumentParsePlan parsePlan = *parsePlanConstIt; // we must not lock the mutex while creating a parse job // this could in turn lock e.g. the DUChain and then // we have a classic lock order inversion (since, usually, // we lock first the duchain and then our background parser // mutex) // see also: https://bugs.kde.org/show_bug.cgi?id=355100 m_mutex.unlock(); decorator = createParseJob(url, parsePlan); m_mutex.lock(); } // iterator might get invalid during the time we didn't have the lock // search again const auto parsePlanIt = m_documents.find(url); if (parsePlanIt != m_documents.end()) { // Remove all mentions of this document. for (const auto& target : parsePlanIt->targets) { m_documentsForPriority[target.priority].remove(url); } m_documents.erase(parsePlanIt); } else { qWarning(LANGUAGE) << "Document got removed during parse job creation:" << url; } if (decorator) { if(m_parseJobs.count() == m_threads+1 && !specialParseJob) specialParseJob = decorator; //This parse-job is allocated into the reserved thread m_parseJobs.insert(url, decorator); m_weaver.enqueue(ThreadWeaver::JobPointer(decorator)); } else { --m_maxParseJobs; } if (!m_documents.isEmpty()) { // Only try creating one parse-job at a time, else we might iterate through thousands of files // without finding a language-support, and block the UI for a long time. QMetaObject::invokeMethod(m_parser, "parseDocuments", Qt::QueuedConnection); } else { // make sure we cleaned up properly // TODO: also empty m_documentsForPriority when m_documents is empty? or do we want to keep capacity? Q_ASSERT(std::none_of(m_documentsForPriority.constBegin(), m_documentsForPriority.constEnd(), [] (const QSet& docs) { return !docs.isEmpty(); })); } } m_parser->updateProgressData(); } // NOTE: you must not access any of the data structures that are protected by any of the // background parser internal mutexes in this method // see also: https://bugs.kde.org/show_bug.cgi?id=355100 ThreadWeaver::QObjectDecorator* createParseJob(const IndexedString& url, const DocumentParsePlan& parsePlan) { ///FIXME: use IndexedString in the other APIs as well! Esp. for createParseJob! QUrl qUrl = url.toUrl(); const auto languages = m_languageController->languagesForUrl(qUrl); const auto& notifyWhenReady = parsePlan.notifyWhenReady(); for (const auto language : languages) { if (!language) { qCWarning(LANGUAGE) << "got zero language for" << qUrl; continue; } ParseJob* job = language->createParseJob(url); if (!job) { continue; // Language part did not produce a valid ParseJob. } job->setParsePriority(parsePlan.priority()); job->setMinimumFeatures(parsePlan.features()); job->setNotifyWhenReady(notifyWhenReady); job->setSequentialProcessingFlags(parsePlan.sequentialProcessingFlags()); ThreadWeaver::QObjectDecorator* decorator = new ThreadWeaver::QObjectDecorator(job); QObject::connect(decorator, &ThreadWeaver::QObjectDecorator::done, m_parser, &BackgroundParser::parseComplete); QObject::connect(decorator, &ThreadWeaver::QObjectDecorator::failed, m_parser, &BackgroundParser::parseComplete); QObject::connect(job, &ParseJob::progress, m_parser, &BackgroundParser::parseProgress, Qt::QueuedConnection); // TODO more thinking required here to support multiple parse jobs per url (where multiple language plugins want to parse) return decorator; } if (languages.isEmpty()) qCDebug(LANGUAGE) << "found no languages for url" << qUrl; else qCDebug(LANGUAGE) << "could not create parse-job for url" << qUrl; //Notify that we failed for (const auto& n : notifyWhenReady) { if (!n) { continue; } QMetaObject::invokeMethod(n.data(), "updateReady", Qt::QueuedConnection, Q_ARG(KDevelop::IndexedString, url), Q_ARG(KDevelop::ReferencedTopDUContext, ReferencedTopDUContext())); } return nullptr; } void loadSettings() { ///@todo re-load settings when they have been changed! Q_ASSERT(ICore::self()->activeSession()); KConfigGroup config(ICore::self()->activeSession()->config(), "Background Parser"); // stay backwards compatible KConfigGroup oldConfig(KSharedConfig::openConfig(), "Background Parser"); #define BACKWARDS_COMPATIBLE_ENTRY(entry, default) \ config.readEntry(entry, oldConfig.readEntry(entry, default)) m_delay = BACKWARDS_COMPATIBLE_ENTRY("Delay", 500); m_timer.setInterval(m_delay); m_threads = 0; if (qEnvironmentVariableIsSet("KDEV_BACKGROUNDPARSER_MAXTHREADS")) { m_parser->setThreadCount(qgetenv("KDEV_BACKGROUNDPARSER_MAXTHREADS").toInt()); } else { m_parser->setThreadCount(BACKWARDS_COMPATIBLE_ENTRY("Number of Threads", QThread::idealThreadCount())); } resume(); if (BACKWARDS_COMPATIBLE_ENTRY("Enabled", true)) { m_parser->enableProcessing(); } else { m_parser->disableProcessing(); } } void suspend() { qCDebug(LANGUAGE) << "Suspending background parser"; bool s = m_weaver.state()->stateId() == ThreadWeaver::Suspended || m_weaver.state()->stateId() == ThreadWeaver::Suspending; if (s) { // Already suspending qCWarning(LANGUAGE) << "Already suspended or suspending"; return; } m_timer.stop(); m_weaver.suspend(); } void resume() { bool s = m_weaver.state()->stateId() == ThreadWeaver::Suspended || m_weaver.state()->stateId() == ThreadWeaver::Suspending; if (m_timer.isActive() && !s) { // Not suspending return; } m_timer.start(m_delay); m_weaver.resume(); } BackgroundParser *m_parser; ILanguageController* m_languageController; //Current parse-job that is executed in the additional thread QPointer specialParseJob; QTimer m_timer; int m_delay = 500; int m_threads = 1; bool m_shuttingDown; // A list of documents that are planned to be parsed, and their priority QHash m_documents; // The documents ordered by priority QMap > m_documentsForPriority; // Currently running parse jobs QHash m_parseJobs; // The url for each managed document. Those may temporarily differ from the real url. QHash m_managedTextDocumentUrls; // Projects currently in progress of loading QSet m_loadingProjects; ThreadWeaver::Queue m_weaver; // generic high-level mutex QMutex m_mutex; // local mutex only protecting m_managed QMutex m_managedMutex; // A change tracker for each managed document QHash m_managed; int m_maxParseJobs = 0; int m_doneParseJobs = 0; QHash m_jobProgress; /// The minimum priority needed for processed jobs int m_neededPriority = BackgroundParser::WorstPriority; int m_progressMax = 0; int m_progressDone = 0; QTimer m_progressTimer; }; BackgroundParser::BackgroundParser(ILanguageController *languageController) : QObject(languageController), d(new BackgroundParserPrivate(this, languageController)) { Q_ASSERT(ICore::self()->documentController()); connect(ICore::self()->documentController(), &IDocumentController::documentLoaded, this, &BackgroundParser::documentLoaded); connect(ICore::self()->documentController(), &IDocumentController::documentUrlChanged, this, &BackgroundParser::documentUrlChanged); connect(ICore::self()->documentController(), &IDocumentController::documentClosed, this, &BackgroundParser::documentClosed); connect(ICore::self(), &ICore::aboutToShutdown, this, &BackgroundParser::aboutToQuit); bool connected = QObject::connect(ICore::self()->projectController(), &IProjectController::projectAboutToBeOpened, this, &BackgroundParser::projectAboutToBeOpened); Q_ASSERT(connected); connected = QObject::connect(ICore::self()->projectController(), &IProjectController::projectOpened, this, &BackgroundParser::projectOpened); Q_ASSERT(connected); connected = QObject::connect(ICore::self()->projectController(), &IProjectController::projectOpeningAborted, this, &BackgroundParser::projectOpeningAborted); Q_ASSERT(connected); Q_UNUSED(connected); } void BackgroundParser::aboutToQuit() { d->m_shuttingDown = true; } BackgroundParser::~BackgroundParser() { delete d; } QString BackgroundParser::statusName() const { return i18n("Background Parser"); } void BackgroundParser::loadSettings() { d->loadSettings(); } void BackgroundParser::parseProgress(KDevelop::ParseJob* job, float value, QString text) { Q_UNUSED(text) d->m_jobProgress[job] = value; updateProgressData(); } void BackgroundParser::revertAllRequests(QObject* notifyWhenReady) { QMutexLocker lock(&d->m_mutex); for (auto it = d->m_documents.begin(); it != d->m_documents.end(); ) { d->m_documentsForPriority[it.value().priority()].remove(it.key()); foreach ( const DocumentParseTarget& target, (*it).targets ) { if ( notifyWhenReady && target.notifyWhenReady.data() == notifyWhenReady ) { (*it).targets.remove(target); } } if((*it).targets.isEmpty()) { it = d->m_documents.erase(it); --d->m_maxParseJobs; continue; } d->m_documentsForPriority[it.value().priority()].insert(it.key()); ++it; } } void BackgroundParser::addDocument(const IndexedString& url, TopDUContext::Features features, int priority, QObject* notifyWhenReady, ParseJob::SequentialProcessingFlags flags, int delay) { // qCDebug(LANGUAGE) << "BackgroundParser::addDocument" << url.toUrl(); Q_ASSERT(isValidURL(url)); QMutexLocker lock(&d->m_mutex); { DocumentParseTarget target; target.priority = priority; target.features = features; target.sequentialProcessingFlags = flags; target.notifyWhenReady = QPointer(notifyWhenReady); auto it = d->m_documents.find(url); if (it != d->m_documents.end()) { //Update the stored plan d->m_documentsForPriority[it.value().priority()].remove(url); it.value().targets << target; d->m_documentsForPriority[it.value().priority()].insert(url); }else{ // qCDebug(LANGUAGE) << "BackgroundParser::addDocument: queuing" << cleanedUrl; d->m_documents[url].targets << target; d->m_documentsForPriority[d->m_documents[url].priority()].insert(url); ++d->m_maxParseJobs; //So the progress-bar waits for this document } if ( delay == ILanguageSupport::DefaultDelay ) { delay = d->m_delay; } d->startTimerThreadSafe(delay); } } void BackgroundParser::removeDocument(const IndexedString& url, QObject* notifyWhenReady) { Q_ASSERT(isValidURL(url)); QMutexLocker lock(&d->m_mutex); if(d->m_documents.contains(url)) { d->m_documentsForPriority[d->m_documents[url].priority()].remove(url); foreach(const DocumentParseTarget& target, d->m_documents[url].targets) { if(target.notifyWhenReady.data() == notifyWhenReady) { d->m_documents[url].targets.remove(target); } } if(d->m_documents[url].targets.isEmpty()) { d->m_documents.remove(url); --d->m_maxParseJobs; }else{ //Insert with an eventually different priority d->m_documentsForPriority[d->m_documents[url].priority()].insert(url); } } } void BackgroundParser::parseDocuments() { if (!d->m_loadingProjects.empty()) { startTimer(d->m_delay); return; } QMutexLocker lock(&d->m_mutex); d->parseDocumentsInternal(); } void BackgroundParser::parseComplete(const ThreadWeaver::JobPointer& job) { auto decorator = dynamic_cast(job.data()); Q_ASSERT(decorator); ParseJob* parseJob = dynamic_cast(decorator->job()); Q_ASSERT(parseJob); emit parseJobFinished(parseJob); { QMutexLocker lock(&d->m_mutex); d->m_parseJobs.remove(parseJob->document()); d->m_jobProgress.remove(parseJob); ++d->m_doneParseJobs; updateProgressData(); } //Continue creating more parse-jobs QMetaObject::invokeMethod(this, "parseDocuments", Qt::QueuedConnection); } void BackgroundParser::disableProcessing() { setNeededPriority(BestPriority); } void BackgroundParser::enableProcessing() { setNeededPriority(WorstPriority); } int BackgroundParser::priorityForDocument(const IndexedString& url) const { Q_ASSERT(isValidURL(url)); QMutexLocker lock(&d->m_mutex); return d->m_documents[url].priority(); } bool BackgroundParser::isQueued(const IndexedString& url) const { Q_ASSERT(isValidURL(url)); QMutexLocker lock(&d->m_mutex); return d->m_documents.contains(url); } int BackgroundParser::queuedCount() const { QMutexLocker lock(&d->m_mutex); return d->m_documents.count(); } bool BackgroundParser::isIdle() const { QMutexLocker lock(&d->m_mutex); return d->m_documents.isEmpty() && d->m_weaver.isIdle(); } void BackgroundParser::setNeededPriority(int priority) { QMutexLocker lock(&d->m_mutex); d->m_neededPriority = priority; d->startTimerThreadSafe(d->m_delay); } void BackgroundParser::abortAllJobs() { qCDebug(LANGUAGE) << "Aborting all parse jobs"; d->m_weaver.requestAbort(); } void BackgroundParser::suspend() { d->suspend(); emit hideProgress(this); } void BackgroundParser::resume() { d->resume(); updateProgressData(); } void BackgroundParser::updateProgressData() { if (d->m_doneParseJobs >= d->m_maxParseJobs) { if(d->m_doneParseJobs > d->m_maxParseJobs) { qCDebug(LANGUAGE) << "m_doneParseJobs larger than m_maxParseJobs:" << d->m_doneParseJobs << d->m_maxParseJobs; } d->m_doneParseJobs = 0; d->m_maxParseJobs = 0; } else { float additionalProgress = 0; for (auto it = d->m_jobProgress.constBegin(); it != d->m_jobProgress.constEnd(); ++it) { additionalProgress += *it; } d->m_progressMax = d->m_maxParseJobs*1000; d->m_progressDone = (additionalProgress + d->m_doneParseJobs)*1000; if (!d->m_progressTimer.isActive()) { d->m_progressTimer.start(); } } // Cancel progress updating and hide progress-bar when parsing is done. if(d->m_doneParseJobs == d->m_maxParseJobs || (d->m_neededPriority == BackgroundParser::BestPriority && d->m_weaver.queueLength() == 0)) { if (d->m_progressTimer.isActive()) { d->m_progressTimer.stop(); } emit d->m_parser->hideProgress(d->m_parser); } } ParseJob* BackgroundParser::parseJobForDocument(const IndexedString& document) const { Q_ASSERT(isValidURL(document)); QMutexLocker lock(&d->m_mutex); auto decorator = d->m_parseJobs.value(document); return decorator ? dynamic_cast(decorator->job()) : nullptr; } void BackgroundParser::setThreadCount(int threadCount) { if (d->m_threads != threadCount) { d->m_threads = threadCount; d->m_weaver.setMaximumNumberOfThreads(d->m_threads+1); //1 Additional thread for high-priority parsing } } int BackgroundParser::threadCount() const { return d->m_threads; } void BackgroundParser::setDelay(int milliseconds) { if (d->m_delay != milliseconds) { d->m_delay = milliseconds; d->m_timer.setInterval(d->m_delay); } } QList< IndexedString > BackgroundParser::managedDocuments() { QMutexLocker l(&d->m_managedMutex); return d->m_managed.keys(); } + +bool BackgroundParser::waitForIdle() const +{ + QList runningParseJobsUrls; + forever { + { + QMutexLocker lock(&d->m_mutex); + if (d->m_parseJobs.isEmpty()) { + qCDebug(LANGUAGE) << "All parse jobs done" << d->m_parseJobs.keys(); + return true; + } + + if (d->m_parseJobs.size() != runningParseJobsUrls.size()) { + runningParseJobsUrls = d->m_parseJobs.keys(); + qCDebug(LANGUAGE) << "Waiting for background parser to get in idle state... -- the following parse jobs are still running:" << runningParseJobsUrls; + } + } + + QCoreApplication::processEvents(); + QThread::msleep(100); + } + return false; +} + DocumentChangeTracker* BackgroundParser::trackerForUrl(const KDevelop::IndexedString& url) const { if (url.isEmpty()) { // this happens e.g. when setting the final location of a problem that is not // yet associated with a top ctx. return nullptr; } if ( !isValidURL(url) ) { qCWarning(LANGUAGE) << "Tracker requested for invalild URL:" << url.toUrl(); } Q_ASSERT(isValidURL(url)); QMutexLocker l(&d->m_managedMutex); return d->m_managed.value(url, nullptr); } void BackgroundParser::documentClosed(IDocument* document) { QMutexLocker l(&d->m_mutex); if(document->textDocument()) { KTextEditor::Document* textDocument = document->textDocument(); if(!d->m_managedTextDocumentUrls.contains(textDocument)) return; // Probably the document had an invalid url, and thus it wasn't added to the background parser Q_ASSERT(d->m_managedTextDocumentUrls.contains(textDocument)); IndexedString url(d->m_managedTextDocumentUrls[textDocument]); QMutexLocker l2(&d->m_managedMutex); Q_ASSERT(d->m_managed.contains(url)); qCDebug(LANGUAGE) << "removing" << url.str() << "from background parser"; delete d->m_managed[url]; d->m_managedTextDocumentUrls.remove(textDocument); d->m_managed.remove(url); } } void BackgroundParser::documentLoaded( IDocument* document ) { QMutexLocker l(&d->m_mutex); if(document->textDocument() && document->textDocument()->url().isValid()) { KTextEditor::Document* textDocument = document->textDocument(); IndexedString url(document->url()); // Some debugging because we had issues with this QMutexLocker l2(&d->m_managedMutex); if(d->m_managed.contains(url) && d->m_managed[url]->document() == textDocument) { qCDebug(LANGUAGE) << "Got redundant documentLoaded from" << document->url() << textDocument; return; } qCDebug(LANGUAGE) << "Creating change tracker for " << document->url(); Q_ASSERT(!d->m_managed.contains(url)); Q_ASSERT(!d->m_managedTextDocumentUrls.contains(textDocument)); d->m_managedTextDocumentUrls[textDocument] = url; d->m_managed.insert(url, new DocumentChangeTracker(textDocument)); }else{ qCDebug(LANGUAGE) << "NOT creating change tracker for" << document->url(); } } void BackgroundParser::documentUrlChanged(IDocument* document) { documentClosed(document); // Only call documentLoaded if the file wasn't renamed to a filename that is already tracked. if(document->textDocument() && !trackerForUrl(IndexedString(document->textDocument()->url()))) documentLoaded(document); } void BackgroundParser::startTimer(int delay) { d->m_timer.start(delay); } void BackgroundParser::projectAboutToBeOpened(IProject* project) { d->m_loadingProjects.insert(project); } void BackgroundParser::projectOpened(IProject* project) { d->m_loadingProjects.remove(project); } void BackgroundParser::projectOpeningAborted(IProject* project) { d->m_loadingProjects.remove(project); } void BackgroundParser::updateProgressBar() { emit showProgress(this, 0, d->m_progressMax, d->m_progressDone); } diff --git a/language/backgroundparser/backgroundparser.h b/language/backgroundparser/backgroundparser.h index 642b0e1285..7752bf4f69 100644 --- a/language/backgroundparser/backgroundparser.h +++ b/language/backgroundparser/backgroundparser.h @@ -1,246 +1,248 @@ /* * This file is part of KDevelop * * Copyright 2006 Adam Treat * Copyright 2007 Kris Wong * Copyright 2007-2008 David Nolden * * 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. */ #ifndef KDEVPLATFORM_BACKGROUNDPARSER_H #define KDEVPLATFORM_BACKGROUNDPARSER_H #include #include #include #include #include #include #include #include "parsejob.h" class QMutex; namespace ThreadWeaver { class Job; class QObjectDecorator; class Weaver; } namespace KDevelop { class DocumentChangeTracker; class IDocument; class IProject; class ILanguageController; class ParseJob; class ParserDependencyPolicy; /** * This class handles the creation of parse jobs for given file URLs. * * For performance reasons you must always use clean, canonical URLs. If you do not do that, * issues might arise (and the debug build will assert). */ class KDEVPLATFORMLANGUAGE_EXPORT BackgroundParser : public QObject, public IStatus { Q_OBJECT Q_INTERFACES( KDevelop::IStatus ) public: explicit BackgroundParser(ILanguageController *languageController); ~BackgroundParser() override; QString statusName() const override; enum { BestPriority = -10000, ///Best possible job-priority. No jobs should actually have this. NormalPriority = 0, ///Standard job-priority. This priority is used for parse-jobs caused by document-editing/opening. ///There is an additional parsing-thread reserved for jobs with this and better priority, to improve responsiveness. InitialParsePriority = 10000, ///Priority used when adding file on project loading WorstPriority = 100000 ///Worst possible job-priority. }; /** * Queries the background parser as to whether there is currently * a parse job for @p document, and if so, returns it. * * This may not contain all of the parse jobs that are intended * unless you call in from your job's ThreadWeaver::Job::aboutToBeQueued() * function. */ Q_SCRIPTABLE ParseJob* parseJobForDocument(const IndexedString& document) const; /** * Set how many ThreadWeaver threads the background parser should set up and use. */ Q_SCRIPTABLE void setThreadCount(int threadCount); /** * Return how many ThreadWeaver threads the background parser should set up and use. */ Q_SCRIPTABLE int threadCount() const; /** * Set the delay in milliseconds before the background parser starts parsing. */ Q_SCRIPTABLE void setDelay(int milliseconds); /** * Returns all documents that were added through addManagedTopRange. This is typically the currently * open documents. */ Q_SCRIPTABLE QList managedDocuments(); /** * Returns the tracker for the given url if the document is being tracked, else returns zero. * This function is thread-safe, but the returned object also isn't, so you must not use it * when you're in a background thread without the foreground lock acquired. * */ DocumentChangeTracker* trackerForUrl(const IndexedString& url) const; + bool waitForIdle() const; + Q_SIGNALS: /** * Emitted whenever a document parse-job has finished. * The job contains the du-chain(if one was created) etc. * * The job is deleted after this signal has been emitted. Receivers should not hold * references to it. * * Note that if you want to be get updated for all DUChain updates, use * DUChain::updateReady instead, as a single ParseJob may update multiple * DUChain top contexts. * * @sa DUChain::updateReady */ void parseJobFinished(KDevelop::ParseJob* job); // Implementations of IStatus signals void clearMessage( KDevelop::IStatus* ) override; void showMessage( KDevelop::IStatus*, const QString & message, int timeout = 0) override; void hideProgress( KDevelop::IStatus* ) override; void showProgress( KDevelop::IStatus*, int minimum, int maximum, int value) override; void showErrorMessage( const QString&, int ) override; public Q_SLOTS: /** * Aborts all parse jobs */ void abortAllJobs(); /** * Suspends execution of the background parser */ void suspend(); /** * Resumes execution of the background parser */ void resume(); /// Reverts all requests that were made for the given notification-target. /// priorities and requested features will be reverted as well. /// When @p notifyWhenReady is set to a nullptr, all requests will be reverted. void revertAllRequests(QObject* notifyWhenReady); /** * Queues up the @p url to be parsed. * @p features The minimum features that should be computed for this top-context * @p priority A value that manages the order of parsing. Documents with lowest priority are parsed first. * @param notifyWhenReady An optional pointer to a QObject that should contain a slot * "void updateReady(KDevelop::IndexedString url, KDevelop::ReferencedTopDUContext topContext)". * The notification is guaranteed to be called once for each call to addDocument. The given top-context * may be invalid if the update failed. * @param flags Flags indicating how the document should be treated in the queue * @param delay_ms The delay in milliseconds to add the job with, or one of the values of the * ILanguageSupport::ReparseDelaySpecialValues enum. */ void addDocument(const IndexedString& url, TopDUContext::Features features = TopDUContext::VisibleDeclarationsAndContexts, int priority = 0, QObject* notifyWhenReady = nullptr, ParseJob::SequentialProcessingFlags flags = ParseJob::IgnoresSequentialProcessing, int delay_ms = ILanguageSupport::DefaultDelay); /** * Removes the @p url that is registered for the given notification from the url. * * @param notifyWhenReady Notifier the document was added with. */ void removeDocument(const IndexedString& url, QObject* notifyWhenReady = nullptr); /** * Forces the current queue to be parsed. */ void parseDocuments(); void updateProgressData(); /// Disables processing for all jobs that have a worse priority than @p priority /// This can be used to temporarily limit the processing to only the most important jobs. /// To only enable processing for important jobs, call setNeededPriority(0). /// This should only be used to temporarily alter the processing. A progress-bar /// will still be shown for the not yet processed jobs. void setNeededPriority(int priority); /// Disables all processing of new jobs, equivalent to setNeededPriority(BestPriority) void disableProcessing(); /// Enables all processing of new jobs, equivalent to setNeededPriority(WorstPriority) void enableProcessing(); /// Returns true if the given url is queued for parsing bool isQueued(const IndexedString& url) const; /// Retrieve the current priority for the given URL. /// You need to check whether @param url is queued before calling this function. int priorityForDocument(const IndexedString& url) const; /// Returns the number of queued jobs (not yet running nor submitted to ThreadWeaver) int queuedCount() const; /// Returns true if there are no jobs running nor queued anywhere bool isIdle() const; void documentClosed(KDevelop::IDocument*); void documentLoaded(KDevelop::IDocument*); void documentUrlChanged(KDevelop::IDocument*); void loadSettings(); protected Q_SLOTS: void parseComplete(const ThreadWeaver::JobPointer& job); void parseProgress(KDevelop::ParseJob*, float value, QString text); void startTimer(int delay); void aboutToQuit(); void updateProgressBar(); private: friend class BackgroundParserPrivate; class BackgroundParserPrivate *d; private Q_SLOTS: /// Tracking of projects in state of loading. void projectAboutToBeOpened(KDevelop::IProject* project); void projectOpened(KDevelop::IProject* project); void projectOpeningAborted(KDevelop::IProject* project); }; } #endif diff --git a/shell/core.cpp b/shell/core.cpp index 4ce3265714..d949fb12a8 100644 --- a/shell/core.cpp +++ b/shell/core.cpp @@ -1,620 +1,624 @@ /*************************************************************************** * Copyright 2007 Alexander Dymo * * Copyright 2007 Kris Wong * * * * 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 Library 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 "core.h" #include "core_p.h" #include #include #include #include #include #include "mainwindow.h" #include "sessioncontroller.h" #include "uicontroller.h" #include "plugincontroller.h" #include "projectcontroller.h" #include "partcontroller.h" #include "languagecontroller.h" #include "documentcontroller.h" #include "runcontroller.h" #include "session.h" #include "documentationcontroller.h" #include "sourceformattercontroller.h" #include "progresswidget/progressmanager.h" #include "selectioncontroller.h" #include "debugcontroller.h" #include "kdevplatform_version.h" #include "workingsetcontroller.h" #include "testcontroller.h" #include "debug.h" #include #include #include #include namespace { void shutdownGracefully(int sig) { static volatile std::sig_atomic_t handlingSignal = 0; if ( !handlingSignal ) { handlingSignal = 1; qCDebug(SHELL) << "signal " << sig << " received, shutting down gracefully"; QCoreApplication* app = QCoreApplication::instance(); if (QApplication* guiApp = qobject_cast(app)) { guiApp->closeAllWindows(); } app->quit(); return; } // re-raise signal with default handler and trigger program termination std::signal(sig, SIG_DFL); std::raise(sig); } void installSignalHandler() { #ifdef SIGHUP std::signal(SIGHUP, shutdownGracefully); #endif #ifdef SIGINT std::signal(SIGINT, shutdownGracefully); #endif #ifdef SIGTERM std::signal(SIGTERM, shutdownGracefully); #endif } } namespace KDevelop { Core *Core::m_self = nullptr; KAboutData createAboutData() { KAboutData aboutData( QStringLiteral("kdevplatform"), i18n("KDevelop Platform"), QStringLiteral(KDEVPLATFORM_VERSION_STRING), i18n("Development Platform for IDE-like Applications"), KAboutLicense::LGPL_V2, i18n( "Copyright 2004-2017, The KDevelop developers" ), QString(), QStringLiteral("http://www.kdevelop.org") ); aboutData.addAuthor( i18n("Andreas Pakulat"), i18n( "Architecture, VCS Support, Project Management Support, QMake Projectmanager" ), QStringLiteral("apaku@gmx.de") ); aboutData.addAuthor( i18n("Alexander Dymo"), i18n( "Architecture, Sublime UI, Ruby support" ), QStringLiteral("adymo@kdevelop.org") ); aboutData.addAuthor( i18n("David Nolden"), i18n( "Definition-Use Chain, C++ Support" ), QStringLiteral("david.nolden.kdevelop@art-master.de") ); aboutData.addAuthor( i18n("Aleix Pol Gonzalez"), i18n( "CMake Support, Run Support, Kross Support" ), QStringLiteral("aleixpol@kde.org") ); aboutData.addAuthor( i18n("Vladimir Prus"), i18n( "GDB integration" ), QStringLiteral("ghost@cs.msu.su") ); aboutData.addAuthor( i18n("Hamish Rodda"), i18n( "Text editor integration, definition-use chain" ), QStringLiteral("rodda@kde.org") ); aboutData.addCredit( i18n("Matt Rogers"), QString(), QStringLiteral("mattr@kde.org")); aboutData.addCredit( i18n("Cédric Pasteur"), i18n("astyle and indent support"), QStringLiteral("cedric.pasteur@free.fr") ); aboutData.addCredit( i18n("Evgeniy Ivanov"), i18n("Distributed VCS, Git, Mercurial"), QStringLiteral("powerfox@kde.ru") ); //Veritas is outside in playground currently. //aboutData.addCredit( i18n("Manuel Breugelmanns"), i18n( "Veritas, QTest integraton"), "mbr.nxi@gmail.com" ); aboutData.addCredit( i18n("Robert Gruber") , i18n( "SnippetPart, debugger and usability patches" ), QStringLiteral("rgruber@users.sourceforge.net") ); aboutData.addCredit( i18n("Dukju Ahn"), i18n( "Subversion plugin, Custom Make Manager, Overall improvements" ), QStringLiteral("dukjuahn@gmail.com") ); aboutData.addAuthor( i18n("Niko Sams"), i18n( "GDB integration, Webdevelopment Plugins" ), QStringLiteral("niko.sams@gmail.com") ); aboutData.addAuthor( i18n("Milian Wolff"), i18n( "Generic manager, Webdevelopment Plugins, Snippets, Performance" ), QStringLiteral("mail@milianw.de") ); aboutData.addAuthor( i18n("Kevin Funk"), i18n( "Co-maintainer, C++/Clang, QA, Windows Support, Performance, Website" ), QStringLiteral("kfunk@kde.org") ); aboutData.addAuthor( i18n("Sven Brauch"), i18n( "Co-maintainer, AppImage, Python Support, User Interface improvements" ), QStringLiteral("svenbrauch@gmx.de") ); return aboutData; } CorePrivate::CorePrivate(Core *core): m_aboutData( createAboutData() ), m_core(core), m_cleanedUp(false), m_shuttingDown(false) { } bool CorePrivate::initialize(Core::Setup mode, QString session ) { m_mode=mode; qCDebug(SHELL) << "Creating controllers"; emit m_core->startupProgress(0); if( !sessionController ) { sessionController = new SessionController(m_core); } if( !workingSetController && !(mode & Core::NoUi) ) { workingSetController = new WorkingSetController(); } qCDebug(SHELL) << "Creating ui controller"; if( !uiController ) { uiController = new UiController(m_core); } emit m_core->startupProgress(10); qCDebug(SHELL) << "Creating plugin controller"; if( !pluginController ) { pluginController = new PluginController(m_core); const auto pluginInfos = pluginController->allPluginInfos(); if (pluginInfos.isEmpty()) { QMessageBox::critical(nullptr, i18n("Could not find any plugins"), i18n("

Could not find any plugins during startup.
" "Please make sure QT_PLUGIN_PATH is set correctly.

" "Refer to this article for more information."), QMessageBox::Abort, QMessageBox::Abort); qCWarning(SHELL) << "Could not find any plugins, aborting"; return false; } } if( !partController && !(mode & Core::NoUi)) { partController = new PartController(m_core, uiController.data()->defaultMainWindow()); } emit m_core->startupProgress(20); if( !projectController ) { projectController = new ProjectController(m_core); } if( !documentController ) { documentController = new DocumentController(m_core); } if( !languageController ) { // Must be initialized after documentController, because the background parser depends // on the document controller. languageController = new LanguageController(m_core); } emit m_core->startupProgress(25); if( !runController ) { runController = new RunController(m_core); } if( !sourceFormatterController ) { sourceFormatterController = new SourceFormatterController(m_core); } emit m_core->startupProgress(30); if ( !progressController) { progressController = ProgressManager::instance(); } if( !selectionController ) { selectionController = new SelectionController(m_core); } emit m_core->startupProgress(35); if( !documentationController && !(mode & Core::NoUi) ) { documentationController = new DocumentationController(m_core); } if( !debugController ) { debugController = new DebugController(m_core); } emit m_core->startupProgress(40); if( !testController ) { testController = new TestController(m_core); } emit m_core->startupProgress(47); qCDebug(SHELL) << "Done creating controllers"; qCDebug(SHELL) << "Initializing controllers"; sessionController.data()->initialize( session ); if( !sessionController.data()->activeSessionLock() ) { return false; } emit m_core->startupProgress(55); // TODO: Is this early enough, or should we put the loading of the session into // the controller construct DUChain::initialize(); if (!(mode & Core::NoUi)) { uiController.data()->initialize(); } languageController.data()->initialize(); if (partController) { partController.data()->initialize(); } projectController.data()->initialize(); documentController.data()->initialize(); emit m_core->startupProgress(63); /* This is somewhat messy. We want to load the areas before loading the plugins, so that when each plugin is loaded we know if an area wants some of the tool view from that plugin. OTOH, loading of areas creates documents, and some documents might require that a plugin is already loaded. Probably, the best approach would be to plugins to just add tool views to a list of available tool view, and then grab those tool views when loading an area. */ qCDebug(SHELL) << "Initializing plugin controller (loading session plugins)"; pluginController.data()->initialize(); emit m_core->startupProgress(78); qCDebug(SHELL) << "Initializing working set controller"; if(!(mode & Core::NoUi)) { workingSetController.data()->initialize(); /* Need to do this after everything else is loaded. It's too hard to restore position of views, and toolbars, and whatever that are not created yet. */ uiController.data()->loadAllAreas(KSharedConfig::openConfig()); uiController.data()->defaultMainWindow()->show(); } emit m_core->startupProgress(90); qCDebug(SHELL) << "Initializing remaining controllers"; runController.data()->initialize(); sourceFormatterController.data()->initialize(); selectionController.data()->initialize(); if (documentationController) { documentationController.data()->initialize(); } emit m_core->startupProgress(95); debugController.data()->initialize(); testController.data()->initialize(); installSignalHandler(); qCDebug(SHELL) << "Done initializing controllers"; if (partController) { // check features of kate and report to user if it does not fit KTextEditor::Document* doc = partController.data()->createTextPart(); if ( !qobject_cast< KTextEditor::MovingInterface* >(doc) ) { KMessageBox::error(QApplication::activeWindow(), i18n("The installed Kate version does not support the MovingInterface which is crucial for " "KDevelop starting from version 4.2.\n\n" "To use KDevelop with KDE SC prior to 4.6, where the SmartInterface is used instead " "of the MovingInterface, you need KDevelop 4.1 or lower.")); delete doc; return false; } delete doc; } emit m_core->startupProgress(100); return true; } CorePrivate::~CorePrivate() { delete selectionController.data(); delete projectController.data(); delete languageController.data(); delete pluginController.data(); delete uiController.data(); delete partController.data(); delete documentController.data(); delete runController.data(); delete sessionController.data(); delete sourceFormatterController.data(); delete documentationController.data(); delete debugController.data(); delete workingSetController.data(); delete testController.data(); selectionController.clear(); projectController.clear(); languageController.clear(); pluginController.clear(); uiController.clear(); partController.clear(); documentController.clear(); runController.clear(); sessionController.clear(); sourceFormatterController.clear(); documentationController.clear(); debugController.clear(); workingSetController.clear(); testController.clear(); } bool Core::initialize(QObject* splash, Setup mode, const QString& session ) { if (m_self) return true; m_self = new Core(); if (splash) { // can't use new signal/slot syntax here, we don't know the class that splash has at runtime connect(m_self, SIGNAL(startupProgress(int)), splash, SLOT(progress(int))); } bool ret = m_self->d->initialize(mode, session); if( splash ) { QTimer::singleShot( 200, splash, SLOT(deleteLater()) ); } if(ret) emit m_self->initializationCompleted(); return ret; } Core *KDevelop::Core::self() { return m_self; } Core::Core(QObject *parent) : ICore(parent) { d = new CorePrivate(this); connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, this, &Core::shutdown); } Core::Core(CorePrivate* dd, QObject* parent) : ICore(parent), d(dd) { connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, this, &Core::shutdown); } Core::~Core() { qCDebug(SHELL); //Cleanup already called before mass destruction of GUI delete d; m_self = nullptr; } Core::Setup Core::setupFlags() const { return d->m_mode; } void Core::shutdown() { qCDebug(SHELL); if (!d->m_shuttingDown) { cleanup(); deleteLater(); } qCDebug(SHELL) << "Shutdown done"; } bool Core::shuttingDown() const { return d->m_shuttingDown; } void Core::cleanup() { qCDebug(SHELL); d->m_shuttingDown = true; emit aboutToShutdown(); if (!d->m_cleanedUp) { - // first of all: stop background jobs + // first of all: request stop of all background parser jobs d->languageController->backgroundParser()->abortAllJobs(); d->languageController->backgroundParser()->suspend(); d->debugController.data()->cleanup(); d->selectionController.data()->cleanup(); // Save the layout of the ui here, so run it first d->uiController.data()->cleanup(); if (d->workingSetController) d->workingSetController.data()->cleanup(); /* Must be called before projectController.data()->cleanup(). */ // Closes all documents (discards, as already saved if the user wished earlier) d->documentController.data()->cleanup(); d->runController.data()->cleanup(); if (d->partController) { d->partController->cleanup(); } d->projectController.data()->cleanup(); d->sourceFormatterController.data()->cleanup(); + + // before unloading language plugins, we need to make sure all parse jobs are done + d->languageController->backgroundParser()->waitForIdle(); d->pluginController.data()->cleanup(); + d->sessionController.data()->cleanup(); d->testController.data()->cleanup(); //Disable the functionality of the language controller d->languageController.data()->cleanup(); DUChain::self()->shutdown(); } d->m_cleanedUp = true; emit shutdownCompleted(); } KAboutData Core::aboutData() const { return d->m_aboutData; } IUiController *Core::uiController() { return d->uiController.data(); } ISession* Core::activeSession() { return sessionController()->activeSession(); } ISessionLock::Ptr Core::activeSessionLock() { return sessionController()->activeSessionLock(); } SessionController *Core::sessionController() { return d->sessionController.data(); } UiController *Core::uiControllerInternal() { return d->uiController.data(); } IPluginController *Core::pluginController() { return d->pluginController.data(); } PluginController *Core::pluginControllerInternal() { return d->pluginController.data(); } IProjectController *Core::projectController() { return d->projectController.data(); } ProjectController *Core::projectControllerInternal() { return d->projectController.data(); } IPartController *Core::partController() { return d->partController.data(); } PartController *Core::partControllerInternal() { return d->partController.data(); } ILanguageController *Core::languageController() { return d->languageController.data(); } LanguageController *Core::languageControllerInternal() { return d->languageController.data(); } IDocumentController *Core::documentController() { return d->documentController.data(); } DocumentController *Core::documentControllerInternal() { return d->documentController.data(); } IRunController *Core::runController() { return d->runController.data(); } RunController *Core::runControllerInternal() { return d->runController.data(); } ISourceFormatterController* Core::sourceFormatterController() { return d->sourceFormatterController.data(); } SourceFormatterController* Core::sourceFormatterControllerInternal() { return d->sourceFormatterController.data(); } ProgressManager *Core::progressController() { return d->progressController.data(); } ISelectionController* Core::selectionController() { return d->selectionController.data(); } IDocumentationController* Core::documentationController() { return d->documentationController.data(); } DocumentationController* Core::documentationControllerInternal() { return d->documentationController.data(); } IDebugController* Core::debugController() { return d->debugController.data(); } DebugController* Core::debugControllerInternal() { return d->debugController.data(); } ITestController* Core::testController() { return d->testController.data(); } TestController* Core::testControllerInternal() { return d->testController.data(); } WorkingSetController* Core::workingSetControllerInternal() { return d->workingSetController.data(); } QString Core::version() { return QStringLiteral(KDEVPLATFORM_VERSION_STRING); } }