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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "clangtoolrunner.h"
#include <utils/environment.h>
#include <utils/qtcassert.h>
#include <utils/qtcprocess.h>
#include <utils/temporaryfile.h>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QLoggingCategory>
static Q_LOGGING_CATEGORY(LOG, "qtc.clangtools.runner", QtWarningMsg)
using namespace Utils;
namespace ClangTools {
namespace Internal {
static QString generalProcessError(const QString &name)
{
return ClangToolRunner::tr("An error occurred with the %1 process.").arg(name);
}
static QString finishedDueToCrash(const QString &name)
{
return ClangToolRunner::tr("%1 crashed.").arg(name);
}
static QString finishedWithBadExitCode(const QString &name, int exitCode)
{
return ClangToolRunner::tr("%1 finished with exit code: %2.").arg(name).arg(exitCode);
}
ClangToolRunner::ClangToolRunner(QObject *parent)
: QObject(parent)
{}
void ClangToolRunner::init(const FilePath &outputDirPath, const Environment &environment)
{
m_outputDirPath = outputDirPath;
QTC_CHECK(!m_outputDirPath.isEmpty());
m_process.setEnvironment(environment);
m_process.setUseCtrlCStub(true);
m_process.setWorkingDirectory(m_outputDirPath); // Current clang-cl puts log file into working dir.
connect(&m_process, &QtcProcess::done, this, &ClangToolRunner::onProcessDone);
}
QStringList ClangToolRunner::mainToolArguments() const
{
QStringList result;
result << "-export-fixes=" + m_outputFilePath;
if (!m_overlayFilePath.isEmpty() && supportsVFSOverlay())
result << "--vfsoverlay=" + m_overlayFilePath;
result << QDir::toNativeSeparators(m_fileToAnalyze);
return result;
}
bool ClangToolRunner::supportsVFSOverlay() const
{
static QMap<FilePath, bool> vfsCapabilities;
auto it = vfsCapabilities.find(m_executable);
if (it == vfsCapabilities.end()) {
QtcProcess p;
p.setCommand({m_executable, {"--help"}});
p.runBlocking();
it = vfsCapabilities.insert(m_executable, p.allOutput().contains("vfsoverlay"));
}
return it.value();
}
static QString createOutputFilePath(const FilePath &dirPath, const QString &fileToAnalyze)
{
const QString fileName = QFileInfo(fileToAnalyze).fileName();
const FilePath fileTemplate = dirPath.pathAppended("report-" + fileName + "-XXXXXX");
TemporaryFile temporaryFile("clangtools");
temporaryFile.setAutoRemove(false);
temporaryFile.setFileTemplate(fileTemplate.path());
if (temporaryFile.open()) {
temporaryFile.close();
return temporaryFile.fileName();
}
return QString();
}
bool ClangToolRunner::run(const QString &fileToAnalyze, const QStringList &compilerOptions)
{
QTC_ASSERT(!m_executable.isEmpty(), return false);
QTC_CHECK(!compilerOptions.contains(QLatin1String("-o")));
QTC_CHECK(!compilerOptions.contains(fileToAnalyze));
m_fileToAnalyze = fileToAnalyze;
m_outputFilePath = createOutputFilePath(m_outputDirPath, fileToAnalyze);
QTC_ASSERT(!m_outputFilePath.isEmpty(), return false);
m_commandLine = {m_executable, m_argsCreator(compilerOptions)};
qCDebug(LOG).noquote() << "Starting" << m_commandLine.toUserOutput();
m_process.setCommand(m_commandLine);
m_process.start();
return true;
}
void ClangToolRunner::onProcessDone()
{
if (m_process.result() == ProcessResult::StartFailed) {
emit finishedWithFailure(generalProcessError(m_name), commandlineAndOutput());
} else if (m_process.result() == ProcessResult::FinishedWithSuccess) {
qCDebug(LOG).noquote() << "Output:\n" << m_process.cleanedStdOut();
emit finishedWithSuccess(m_fileToAnalyze);
} else if (m_process.result() == ProcessResult::FinishedWithError) {
emit finishedWithFailure(finishedWithBadExitCode(m_name, m_process.exitCode()),
commandlineAndOutput());
} else { // == QProcess::CrashExit
emit finishedWithFailure(finishedDueToCrash(m_name), commandlineAndOutput());
}
}
QString ClangToolRunner::commandlineAndOutput() const
{
return tr("Command line: %1\n"
"Process Error: %2\n"
"Output:\n%3")
.arg(m_commandLine.toUserOutput())
.arg(m_process.error())
.arg(m_process.cleanedStdOut());
}
} // namespace Internal
} // namespace ClangTools
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