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/*
Copyright 2009 David Nolden <david.nolden.kdevelop@art-master.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "parseprojectjob.h"
#include <debug.h>
#include <interfaces/icore.h>
#include <interfaces/ilanguagecontroller.h>
#include <interfaces/idocumentcontroller.h>
#include <interfaces/iproject.h>
#include <interfaces/icompletionsettings.h>
#include <language/backgroundparser/backgroundparser.h>
#include <kcoreaddons_version.h>
#include <KLocalizedString>
#include <QApplication>
#include <QPointer>
#include <QSet>
#include <QTimer>
using namespace KDevelop;
class KDevelop::ParseProjectJobPrivate
{
public:
explicit ParseProjectJobPrivate(bool forceUpdate, bool parseAllProjectSources)
: forceUpdate(forceUpdate)
, parseAllProjectSources{parseAllProjectSources}
{
}
const bool forceUpdate;
const bool parseAllProjectSources;
int fileCountLeftToParse = 0;
QSet<IndexedString> filesToParse;
};
bool ParseProjectJob::doKill()
{
qCDebug(LANGUAGE) << "stopping project parse job";
ICore::self()->languageController()->backgroundParser()->revertAllRequests(this);
return true;
}
ParseProjectJob::~ParseProjectJob() = default;
ParseProjectJob::ParseProjectJob(IProject* project, bool forceUpdate, bool parseAllProjectSources)
: d_ptr{new ParseProjectJobPrivate(forceUpdate, parseAllProjectSources)}
{
Q_D(ParseProjectJob);
if (parseAllProjectSources) {
d->filesToParse = project->fileSet();
} else {
// In case we don't want to parse the whole project, still add all currently open files that belong to the project to the background-parser
const auto documents = ICore::self()->documentController()->openDocuments();
for (auto* document : documents) {
const auto path = IndexedString(document->url());
if (project->fileSet().contains(path)) {
d->filesToParse.insert(path);
}
}
}
d->fileCountLeftToParse = d->filesToParse.size();
setCapabilities(Killable);
setObjectName(i18np("Process 1 file in %2", "Process %1 files in %2", d->filesToParse.size(), project->name()));
}
void ParseProjectJob::updateReady(const IndexedString& url, const ReferencedTopDUContext& topContext)
{
Q_D(ParseProjectJob);
Q_UNUSED(url);
Q_UNUSED(topContext);
--d->fileCountLeftToParse;
Q_ASSERT(d->fileCountLeftToParse >= 0);
if (d->fileCountLeftToParse == 0) {
deleteLater();
}
}
void ParseProjectJob::start()
{
Q_D(ParseProjectJob);
if (d->filesToParse.isEmpty()) {
deleteLater();
return;
}
qCDebug(LANGUAGE) << "starting project parse job";
// Avoid calling QApplication::processEvents() directly in start() to prevent
// a crash in RunController::checkState().
QTimer::singleShot(0, this, &ParseProjectJob::queueFilesToParse);
}
void ParseProjectJob::queueFilesToParse()
{
Q_D(ParseProjectJob);
const auto isJobKilled = [this] {
#if KCOREADDONS_VERSION >= QT_VERSION_CHECK(5, 75, 0)
if (Q_UNLIKELY(isFinished())) {
#else
if (Q_UNLIKELY(error() == KilledJobError)) {
#endif
qCDebug(LANGUAGE) << "Aborting queuing project files to parse."
" This job has been killed:" << objectName();
return true;
}
return false;
};
if (isJobKilled()) {
return;
}
TopDUContext::Features processingLevel = d->filesToParse.size() <
ICore::self()->languageController()->completionSettings()->
minFilesForSimplifiedParsing() ?
TopDUContext::VisibleDeclarationsAndContexts : TopDUContext::
SimplifiedVisibleDeclarationsAndContexts;
TopDUContext::Features openDocumentProcessingLevel{TopDUContext::AllDeclarationsContextsAndUses};
if (d->forceUpdate) {
if (processingLevel & TopDUContext::VisibleDeclarationsAndContexts) {
processingLevel = TopDUContext::AllDeclarationsContextsAndUses;
}
processingLevel = ( TopDUContext::Features )(TopDUContext::ForceUpdate | processingLevel);
openDocumentProcessingLevel = TopDUContext::Features(TopDUContext::ForceUpdate | openDocumentProcessingLevel);
}
if (auto currentDocument = ICore::self()->documentController()->activeDocument()) {
const auto path = IndexedString(currentDocument->url());
const auto fileIt = d->filesToParse.constFind(path);
if (fileIt != d->filesToParse.cend()) {
ICore::self()->languageController()->backgroundParser()->addDocument(path,
openDocumentProcessingLevel, BackgroundParser::BestPriority, this);
d->filesToParse.erase(fileIt);
}
}
int priority{BackgroundParser::InitialParsePriority};
const int openDocumentPriority{10};
if (d->parseAllProjectSources) {
// Add all currently open files that belong to the project to the
// background-parser, so that they'll be parsed first of all.
const auto documents = ICore::self()->documentController()->openDocuments();
for (auto* document : documents) {
const auto path = IndexedString(document->url());
const auto fileIt = d->filesToParse.constFind(path);
if (fileIt != d->filesToParse.cend()) {
ICore::self()->languageController()->backgroundParser()->addDocument(path,
openDocumentProcessingLevel, openDocumentPriority, this);
d->filesToParse.erase(fileIt);
}
}
} else {
// In this case the constructor inserts only open documents into d->filesToParse.
processingLevel = openDocumentProcessingLevel;
priority = openDocumentPriority;
}
// prevent UI-lockup by processing events after some files
// esp. noticeable when dealing with huge projects
const int processAfter = 1000;
int processed = 0;
// guard against reentrancy issues, see also bug 345480
auto crashGuard = QPointer<ParseProjectJob> {this};
for (const IndexedString& url : qAsConst(d->filesToParse)) {
ICore::self()->languageController()->backgroundParser()->addDocument(url, processingLevel,
priority,
this);
++processed;
if (processed == processAfter) {
QApplication::processEvents();
if (Q_UNLIKELY(!crashGuard)) {
qCDebug(LANGUAGE) << "Aborting queuing project files to parse."
" This job has been destroyed.";
return;
}
if (isJobKilled()) {
return;
}
processed = 0;
}
}
}
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