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/****************************************************************************
**
** Copyright (C) 2021 Denis Shienkov <denis.shienkov@gmail.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "probe.h"
#include "dmcprobe.h"
#include "../shared/logging/consolelogger.h"
#include <logging/translator.h>
#include <tools/hostosinfo.h>
#include <tools/profile.h>
#include <QtCore/qdir.h>
#include <QtCore/qfile.h>
#include <QtCore/qprocess.h>
#include <QtCore/qregularexpression.h>
#include <QtCore/qsettings.h>
#include <QtCore/qstandardpaths.h>
using namespace qbs;
using Internal::Tr;
using Internal::HostOsInfo;
static QStringList knownDmcCompilerNames()
{
return {QStringLiteral("dmc")};
}
static QString guessDmcArchitecture(const QFileInfo &compiler)
{
const QStringList keys = {QStringLiteral("__I86__")};
const auto macros = dumpMacros([&compiler, &keys]() {
const QString filePath = QDir(QDir::tempPath())
.absoluteFilePath(QLatin1String("dmc-dump.c"));
QFile fakeIn(filePath);
if (!fakeIn.open(QIODevice::Truncate | QIODevice::WriteOnly | QIODevice::Text)) {
qbsWarning() << Tr::tr("Unable to open temporary file %1 for output: %2")
.arg(fakeIn.fileName(), fakeIn.errorString());
return QStringList{};
}
fakeIn.write("#define VALUE_TO_STRING(x) #x\n");
fakeIn.write("#define VALUE(x) VALUE_TO_STRING(x)\n");
fakeIn.write("#define VAR_NAME_VALUE(var) \"#define \" #var\" \"VALUE(var)\n");
for (const QString &key : keys) {
fakeIn.write("#if defined(" + key.toLatin1() + ")\n");
fakeIn.write("#pragma message (VAR_NAME_VALUE(" + key.toLatin1() + "))\n");
fakeIn.write("#endif\n");
}
fakeIn.close();
QProcess p;
p.start(compiler.absoluteFilePath(), {QStringLiteral("-e"), filePath});
p.waitForFinished(3000);
fakeIn.remove();
const QStringList lines = QString::fromUtf8(p.readAllStandardOutput())
.split(QRegularExpression(QLatin1String("\\r?\\n")));
return lines;
});
for (const QString &key : keys) {
if (macros.contains(key)) {
bool ok = false;
const auto value = macros.value(key).toInt(&ok);
if (ok) {
switch (value) {
case 0: // 8088
case 2: // 286
case 3: // 386
case 4: // 486
break;
case 5: // P5
case 6: // P6
return QLatin1String("x86");
default:
break;
}
}
}
}
return QLatin1String("unknown");
}
static Profile createDmcProfileHelper(const ToolchainInstallInfo &info,
Settings *settings,
QString profileName = QString())
{
const QFileInfo compiler = info.compilerPath;
const QString architecture = guessDmcArchitecture(compiler);
// In case the profile is auto-detected.
if (profileName.isEmpty()) {
if (!info.compilerVersion.isValid()) {
profileName = QStringLiteral("dmc-unknown-%1").arg(architecture);
} else {
const QString version = info.compilerVersion.toString(QLatin1Char('_'),
QLatin1Char('_'));
profileName = QStringLiteral("dmc-%1-%2").arg(
version, architecture);
}
}
Profile profile(profileName, settings);
profile.setValue(QLatin1String("cpp.toolchainInstallPath"), compiler.absolutePath());
profile.setValue(QLatin1String("qbs.toolchainType"), QLatin1String("dmc"));
if (!architecture.isEmpty())
profile.setValue(QLatin1String("qbs.architecture"), architecture);
qbsInfo() << Tr::tr("Profile '%1' created for '%2'.").arg(
profile.name(), compiler.absoluteFilePath());
return profile;
}
static Version dumpDmcCompilerVersion(const QFileInfo &compiler)
{
QProcess p;
QStringList args;
p.start(compiler.absoluteFilePath(), args);
p.waitForFinished(3000);
const auto es = p.exitStatus();
if (es != QProcess::NormalExit) {
const QByteArray out = p.readAll();
qbsWarning() << Tr::tr("Compiler dumping failed:\n%1")
.arg(QString::fromUtf8(out));
return Version{};
}
const QByteArray output = p.readAllStandardOutput();
const QRegularExpression re(QLatin1String(
"^Digital Mars Compiler Version (\\d+)\\.?(\\d+)\\.?(\\*|\\d+)?"));
const QRegularExpressionMatch match = re.match(QString::fromLatin1(output));
if (!match.hasMatch())
return Version{};
const auto major = match.captured(1).toInt();
const auto minor = match.captured(2).toInt();
const auto patch = match.captured(3).toInt();
return Version{major, minor, patch};
}
static std::vector<ToolchainInstallInfo> installedDmcsFromPath()
{
std::vector<ToolchainInstallInfo> infos;
const auto compilerNames = knownDmcCompilerNames();
for (const QString &compilerName : compilerNames) {
const QFileInfo dmcPath(
findExecutable(
HostOsInfo::appendExecutableSuffix(compilerName)));
if (!dmcPath.exists())
continue;
const Version version = dumpDmcCompilerVersion(dmcPath);
infos.push_back({dmcPath, version});
}
std::sort(infos.begin(), infos.end());
return infos;
}
bool isDmcCompiler(const QString &compilerName)
{
return Internal::any_of(knownDmcCompilerNames(),
[compilerName](const QString &knownName) {
return compilerName.contains(knownName);
});
}
void createDmcProfile(const QFileInfo &compiler, Settings *settings,
QString profileName)
{
const ToolchainInstallInfo info = {compiler, Version{}};
createDmcProfileHelper(info, settings, std::move(profileName));
}
void dmcProbe(Settings *settings, std::vector<Profile> &profiles)
{
qbsInfo() << Tr::tr("Trying to detect DMC toolchains...");
const std::vector<ToolchainInstallInfo> allInfos = installedDmcsFromPath();
for (const ToolchainInstallInfo &info : allInfos) {
const auto profile = createDmcProfileHelper(info, settings);
profiles.push_back(profile);
}
if (allInfos.empty())
qbsInfo() << Tr::tr("No DMC toolchains found.");
}
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