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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "utils.h"
#include <utils/environment.h>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QProcess>
namespace CplusplusToolsUtils {
void executeCommand(const QString &command, const QStringList &arguments, const QString &outputFile,
bool verbose)
{
QTextStream out(stderr);
if (command.isEmpty()) {
out << "Error: " << Q_FUNC_INFO << "Got empty command to execute." << Qt::endl;
exit(EXIT_FAILURE);
}
const QString fullCommand = command + QLatin1Char(' ') + arguments.join(QLatin1Char(' '));
if (verbose)
out << "Executing: " << fullCommand << Qt::endl;
QProcess process;
if (!outputFile.isEmpty())
process.setStandardOutputFile(outputFile, QIODevice::Truncate);
process.start(command, arguments);
if (!process.waitForStarted()) {
out << QString::fromLatin1("Error: Process \"%1\" did not start within timeout: %2.")
.arg(fullCommand, process.errorString())
<< Qt::endl;
exit(EXIT_FAILURE);
}
if (!process.waitForFinished()) {
if (!verbose)
out << process.readAll() << Qt::endl;
out << QString::fromLatin1("Error: Process \"%1\" did not finish within timeout.").arg(fullCommand)
<< Qt::endl;
exit(EXIT_FAILURE);
}
const int exitCode = process.exitCode();
if (exitCode != 0) {
out << process.readAllStandardError() << Qt::endl;
out << QString::fromLatin1("Error: Process \"%1\" finished with non zero exit value %2")
.arg(fullCommand, exitCode)
<< Qt::endl;
exit(EXIT_FAILURE);
}
}
SystemPreprocessor::SystemPreprocessor(bool verbose)
: m_verbose(verbose)
{
m_knownCompilers[Utils::HostOsInfo::withExecutableSuffix("gcc")]
= QLatin1String("-DCPLUSPLUS_WITHOUT_QT -U__BLOCKS__ -xc++ -E -include");
m_knownCompilers[Utils::HostOsInfo::withExecutableSuffix("cl")]
= QLatin1String("/DCPLUSPLUS_WITHOUT_QT /U__BLOCKS__ /TP /E /I . /FI");
for (const QString &key:m_knownCompilers.keys()) {
const Utils::FilePath executablePath
= Utils::Environment::systemEnvironment().searchInPath(key);
if (!executablePath.isEmpty()) {
m_compiler = key;
m_compilerArguments = m_knownCompilers[key].split(QLatin1Char(' '), Qt::SkipEmptyParts);
m_compilerArguments
<< QDir::toNativeSeparators(QLatin1String(PATH_PREPROCESSOR_CONFIG));
break;
}
}
}
void SystemPreprocessor::check() const
{
QTextStream out(stderr);
if (!QFile::exists(QLatin1String(PATH_PREPROCESSOR_CONFIG))) {
out << QString::fromLatin1("Error: File \"%1\" does not exist.")
.arg(QLatin1String(PATH_PREPROCESSOR_CONFIG))
<< Qt::endl;
exit(EXIT_FAILURE);
}
if (m_compiler.isEmpty()) {
const QString triedCompilers
= QStringList(m_knownCompilers.keys()).join(QLatin1String(", "));
out << QString::fromLatin1("Error: No compiler found. Tried %1.").arg(triedCompilers)
<< Qt::endl;
exit(EXIT_FAILURE);
}
}
void SystemPreprocessor::preprocessFile(const QString &inputFile, const QString &outputFile) const
{
check();
if (!QFile::exists(inputFile)) {
QTextStream out(stderr);
out << QString::fromLatin1("Error: File \"%1\" does not exist.").arg(inputFile) << Qt::endl;
exit(EXIT_FAILURE);
}
const QStringList arguments = QStringList(m_compilerArguments)
<< QDir::toNativeSeparators(inputFile);
executeCommand(m_compiler, arguments, outputFile, m_verbose);
}
} // namespace
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