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/* This file is part of KDevelop
Copyright 2011 Mathieu Lornac <mathieu.lornac@gmail.com>
Copyright 2011 Damien Coppel <damien.coppel@gmail.com>
Copyright 2011 Lionel Duc <lionel.data@gmail.com>
Copyright 2011 Sebastien Rannou <mxs@sbrk.org>
Copyright 2011 Lucas Sarie <lucas.sarie@gmail.com>
Copyright 2006-2008 Hamish Rodda <rodda@kde.org>
Copyright 2002 Harald Fernengel <harry@kdevelop.org>
Copyright 2013 Christoph Thielecke <crissi99@gmx.de>
Copyright 2016-2017 Anton Anikin <anton.anikin@htower.ru>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU 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; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "job.h"
#include "debug.h"
#include "parser.h"
#include "utils.h"
#include <shell/problem.h>
#include <KLocalizedString>
#include <KMessageBox>
#include <QApplication>
#include <QElapsedTimer>
#include <QRegularExpression>
namespace cppcheck
{
Job::Job(const Parameters& params, QObject* parent)
: KDevelop::OutputExecuteJob(parent)
, m_timer(new QElapsedTimer)
, m_parser(new CppcheckParser)
, m_showXmlOutput(params.showXmlOutput)
, m_projectRootPath(params.projectRootPath())
{
setJobName(i18n("Cppcheck Analysis (%1)", prettyPathName(params.checkPath)));
setCapabilities(KJob::Killable);
setStandardToolView(KDevelop::IOutputView::TestView);
setBehaviours(KDevelop::IOutputView::AutoScroll);
setProperties(KDevelop::OutputExecuteJob::JobProperty::DisplayStdout);
setProperties(KDevelop::OutputExecuteJob::JobProperty::DisplayStderr);
setProperties(KDevelop::OutputExecuteJob::JobProperty::PostProcessOutput);
*this << params.commandLine();
qCDebug(KDEV_CPPCHECK) << "checking path" << params.checkPath;
}
Job::~Job()
{
doKill();
}
void Job::postProcessStdout(const QStringList& lines)
{
static const auto fileNameRegex = QRegularExpression(QStringLiteral("Checking ([^:]*)\\.{3}"));
static const auto percentRegex = QRegularExpression(QStringLiteral("(\\d+)% done"));
QRegularExpressionMatch match;
for (const QString& line : lines) {
match = fileNameRegex.match(line);
if (match.hasMatch()) {
emit infoMessage(this, match.captured(1));
continue;
}
match = percentRegex.match(line);
if (match.hasMatch()) {
setPercent(match.captured(1).toULong());
continue;
}
}
m_standardOutput << lines;
if (status() == KDevelop::OutputExecuteJob::JobStatus::JobRunning) {
KDevelop::OutputExecuteJob::postProcessStdout(lines);
}
}
void Job::postProcessStderr(const QStringList& lines)
{
static const auto xmlStartRegex = QRegularExpression(QStringLiteral("\\s*<"));
for (const QString & line : lines) {
// unfortunately sometime cppcheck send non-XML messages to stderr.
// For example, if we pass '-I /missing_include_dir' to the argument list,
// then stderr output will contains such line (tested on cppcheck 1.72):
//
// (information) Couldn't find path given by -I '/missing_include_dir'
//
// Therefore we must 'move' such messages to m_standardOutput.
if (line.indexOf(xmlStartRegex) != -1) { // the line contains XML
m_xmlOutput << line;
m_parser->addData(line);
m_problems = m_parser->parse();
emitProblems();
}
else {
KDevelop::IProblem::Ptr problem(new KDevelop::DetectedProblem(i18n("Cppcheck")));
problem->setSeverity(KDevelop::IProblem::Error);
problem->setDescription(line);
problem->setExplanation(QStringLiteral("Check your cppcheck settings"));
m_problems = {problem};
emitProblems();
if (m_showXmlOutput) {
m_standardOutput << line;
} else {
postProcessStdout({line});
}
}
}
if (status() == KDevelop::OutputExecuteJob::JobStatus::JobRunning && m_showXmlOutput) {
KDevelop::OutputExecuteJob::postProcessStderr(lines);
}
}
void Job::start()
{
m_standardOutput.clear();
m_xmlOutput.clear();
qCDebug(KDEV_CPPCHECK) << "executing:" << commandLine().join(QLatin1Char(' '));
m_timer->restart();
KDevelop::OutputExecuteJob::start();
}
void Job::childProcessError(QProcess::ProcessError e)
{
QString message;
switch (e) {
case QProcess::FailedToStart:
message = i18n("Failed to start Cppcheck from \"%1\".", commandLine()[0]);
break;
case QProcess::Crashed:
if (status() != KDevelop::OutputExecuteJob::JobStatus::JobCanceled) {
message = i18n("Cppcheck crashed.");
}
break;
case QProcess::Timedout:
message = i18n("Cppcheck process timed out.");
break;
case QProcess::WriteError:
message = i18n("Write to Cppcheck process failed.");
break;
case QProcess::ReadError:
message = i18n("Read from Cppcheck process failed.");
break;
case QProcess::UnknownError:
// current cppcheck errors will be displayed in the output view
// don't notify the user
break;
}
if (!message.isEmpty()) {
KMessageBox::error(qApp->activeWindow(), message, i18n("Cppcheck Error"));
}
KDevelop::OutputExecuteJob::childProcessError(e);
}
void Job::childProcessExited(int exitCode, QProcess::ExitStatus exitStatus)
{
qCDebug(KDEV_CPPCHECK) << "Process Finished, exitCode" << exitCode << "process exit status" << exitStatus;
postProcessStdout({QStringLiteral("Elapsed time: %1 s.").arg(m_timer->elapsed()/1000.0)});
if (exitCode != 0) {
qCDebug(KDEV_CPPCHECK) << "cppcheck failed, standard output: ";
qCDebug(KDEV_CPPCHECK) << m_standardOutput.join(QLatin1Char('\n'));
qCDebug(KDEV_CPPCHECK) << "cppcheck failed, XML output: ";
qCDebug(KDEV_CPPCHECK) << m_xmlOutput.join(QLatin1Char('\n'));
}
KDevelop::OutputExecuteJob::childProcessExited(exitCode, exitStatus);
}
void Job::emitProblems()
{
if (!m_problems.isEmpty()) {
emit problemsDetected(m_problems);
}
}
}
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