// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include "baseqtversion.h"

#include "profilereader.h"
#include "qtabiextractor.h"
#include "qtconfigwidget.h"
#include "qtkitaspect.h"
#include "qtsupportconstants.h"
#include "qtsupporttr.h"
#include "qtsupportutils.h"
#include "qtversionfactory.h"
#include "qtversionmanager.h"

#include <android/androidconstants.h>

#include <coreplugin/messagemanager.h>

#include <proparser/qmakevfs.h>

#include <projectexplorer/buildconfiguration.h>
#include <projectexplorer/buildsystem.h>
#include <projectexplorer/deployablefile.h>
#include <projectexplorer/deploymentdata.h>
#include <projectexplorer/devicesupport/devicekitaspects.h>
#include <projectexplorer/devicesupport/idevice.h>
#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/projectmanager.h>
#include <projectexplorer/sysrootkitaspect.h>
#include <projectexplorer/target.h>
#include <projectexplorer/toolchain.h>
#include <projectexplorer/toolchainkitaspect.h>
#include <projectexplorer/toolchainmanager.h>

#include <utils/algorithm.h>
#include <utils/async.h>
#include <utils/displayname.h>
#include <utils/fileinprojectfinder.h>
#include <utils/hostosinfo.h>
#include <utils/macroexpander.h>
#include <utils/qtcprocess.h>
#include <utils/qtcassert.h>
#include <utils/stringutils.h>
#include <utils/winutils.h>

#include <QHash>
#include <QLibraryInfo>
#include <QRegularExpression>
#include <QUrl>
#include <QVersionNumber>
#include <QtConcurrentMap>

#include <algorithm>
#include <optional>

using namespace Core;
using namespace ProjectExplorer;
using namespace QtSupport::Internal;
using namespace Utils;

namespace QtSupport {
namespace Internal {

const char QTVERSIONAUTODETECTED[] = "isAutodetected";
const char QTVERSIONDETECTIONSOURCE[] = "autodetectionSource";
const char QTVERSION_OVERRIDE_FEATURES[] = "overrideFeatures";
const char QTVERSIONQMAKEPATH[] = "QMakePath";

const char QTVERSION_ABIS[] = "Abis";

const char MKSPEC_VALUE_LIBINFIX[] = "QT_LIBINFIX";
const char MKSPEC_VALUE_NAMESPACE[] = "QT_NAMESPACE";

// --------------------------------------------------------------------
// QtVersionData:
// --------------------------------------------------------------------

class QtVersionData
{
public:
    bool installed = true;
    bool hasExamples = false;
    bool hasDemos = false;
    bool hasDocumentation = false;

    QString qtVersionString;

    FilePath sourcePath;

    FilePath prefix;

    FilePath binPath;
    FilePath libExecPath;
    FilePath configurationPath;
    FilePath dataPath;
    FilePath archDataPath;
    FilePath demosPath;
    FilePath docsPath;
    FilePath examplesPath;
    // FilePath frameworkPath; // is derived from libraryPath
    FilePath headerPath;
    FilePath importsPath;
    FilePath libraryPath;
    FilePath pluginPath;
    FilePath qmlPath;
    FilePath translationsPath;

    FilePath hostBinPath;
    FilePath hostLibexecPath;
    FilePath hostDataPath;
    FilePath hostPrefixPath;

    QHash<ProKey, ProString> versionInfo;
    bool versionInfoUpToDate = false;
};

// --------------------------------------------------------------------
// Helpers:
// --------------------------------------------------------------------

static QSet<Id> versionedIds(const QByteArray &prefix, int major, int minor)
{
    QSet<Id> result;
    result.insert(Id::fromName(prefix));

    if (major < 0)
        return result;

    const QByteArray majorStr = QByteArray::number(major);
    const QByteArray featureMajor = prefix + majorStr;
    const QByteArray featureDotMajor = prefix + '.' + majorStr;

    result.insert(Id::fromName(featureMajor));
    result.insert(Id::fromName(featureDotMajor));

    for (int i = 0; i <= minor; ++i) {
        result.insert(Id::fromName(featureMajor).withSuffix('.').withSuffix(i));
        result.insert(Id::fromName(featureDotMajor).withSuffix('.').withSuffix(i));
    }

    // FIXME: Terrible hack. Get rid of using version numbers as tags!
    if (major > 5)
        result.unite(versionedIds(prefix, major - 1, 15));

    return result;
}

static QSet<Id> versionedIds(const QVersionNumber &version)
{
    return versionedIds(Constants::FEATURE_QT_PREFIX,
                        version.majorVersion(), version.minorVersion());
}

enum HostBinaries { Designer, Linguist, Rcc, Uic, QScxmlc };

class QtVersionPrivate
{
public:
    QtVersionPrivate(QtVersion *parent)
        : q(parent)
    {}

    QtVersionData &data();
    void updateVersionInfoNow();

    FilePath findHostBinary(HostBinaries binary) const;
    void updateMkspec();
    QHash<ProKey, ProString> versionInfo();
    static bool queryQMakeVariables(const FilePath &binary,
                                    QHash<ProKey, ProString> *versionInfo,
                                    QString *error);
    enum PropertyVariant { PropertyVariantDev, PropertyVariantGet, PropertyVariantSrc };
    QString qmakeProperty(const QByteArray &name, PropertyVariant variant = PropertyVariantGet);
    static QString qmakeProperty(const QHash<ProKey, ProString> &versionInfo,
                                 const QByteArray &name,
                                 PropertyVariant variant = PropertyVariantGet);
    static FilePath mkspecDirectoryFromVersionInfo(const QHash<ProKey, ProString> &versionInfo,
                                                   const FilePath &qmakeCommand);
    static FilePath mkspecFromVersionInfo(const QHash<ProKey,ProString> &versionInfo,
                                          const FilePath &qmakeCommand);
    static FilePath sourcePath(const QHash<ProKey,ProString> &versionInfo);
    void setId(int id); // used by the qtversionmanager for legacy restore
                        // and by the qtoptionspage to replace Qt versions

    FilePaths qtCorePaths();
    ProjectExplorer::Abis qtAbisFromLibrary();

public:
    QtVersion *q;
    int m_id = -1;
    DetectionSource m_detectionSource;
    QString m_type;
    DisplayName m_unexpandedDisplayName;

    std::optional<Abis> m_qtAbis;
    std::optional<QtVersionData> m_data;
    QFuture<Result<QtVersionData>> m_dataFuture;

    bool m_mkspecUpToDate = false;
    bool m_mkspecReadUpToDate = false;
    QtVersion::QmakeBuildConfigs m_defaultBuildConfig{QtVersion::DebugBuild | QtVersion::BuildAll};
    bool m_qmakeIsExecutable = true;

    QSet<Id> m_overrideFeatures;

    FilePath m_mkspec;
    FilePath m_mkspecFullPath;

    QHash<QString, QString> m_mkspecValues;

    FilePath m_qmakeCommand;

    FilePath m_rccPath;
    FilePath m_uicPath;
    FilePath m_designerPath;
    FilePath m_linguistPath;
    FilePath m_qscxmlcPath;
    FilePath m_qmlRuntimePath;
    FilePath m_qmlplugindumpPath;
    std::optional<QHash<QString, QStringList>> m_classesPerModule;

    MacroExpander m_expander;
};

} // Internal

///////////////
// QtVersion
///////////////

QtVersion::QtVersion()
    : d(new QtVersionPrivate(this))
{
    MacroExpander &expander = d->m_expander;

    const auto versionProperty = [this](const std::function<QString(const QtVersion *)> &property) {
        return [property, this] { return property(this);
        };
    };
    const auto pathProperty = [this](const std::function<FilePath(const QtVersion *)> &property) {
        return [property, this] { return property(this).path(); };
    };

    expander.setDisplayName(Tr::tr("Qt version"));

    expander.registerVariable(
        "Qt:Version",
        Tr::tr("The version string of the current Qt version."),
        versionProperty(&QtVersion::qtVersionString));

    expander.registerVariable(
        "Qt:Type",
        Tr::tr("The type of the current Qt version."),
        versionProperty(&QtVersion::type));

    expander.registerVariable(
        "Qt:Mkspec",
        Tr::tr("The mkspec of the current Qt version."),
        versionProperty([](const QtVersion *version) {
            return QDir::toNativeSeparators(version->mkspec());
        }));

    expander.registerVariable(
        "Qt:QT_INSTALL_PREFIX",
        Tr::tr("The installation prefix of the current Qt version."),
        pathProperty(&QtVersion::prefix));

    expander.registerVariable(
        "Qt:QT_INSTALL_DATA",
        Tr::tr("The installation location of the current Qt version's data."),
        pathProperty(&QtVersion::dataPath));

    expander.registerVariable(
        "Qt:QT_HOST_PREFIX",
        Tr::tr("The host location of the current Qt version."),
        pathProperty(&QtVersion::hostPrefixPath));

    expander.registerVariable("Qt:QT_HOST_LIBEXECS",
        Tr::tr("The installation location of the current Qt "
               "version's internal host executable files."),
        pathProperty(&QtVersion::hostLibexecPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_HEADERS",
        Tr::tr("The installation location of the current Qt version's header files."),
        pathProperty(&QtVersion::headerPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_LIBS",
        Tr::tr("The installation location of the current Qt version's library files."),
        pathProperty(&QtVersion::libraryPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_DOCS",
        Tr::tr("The installation location of the current Qt version's documentation files."),
        pathProperty(&QtVersion::docsPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_BINS",
        Tr::tr("The installation location of the current Qt version's executable files."),
        pathProperty(&QtVersion::binPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_LIBEXECS",
        Tr::tr("The installation location of the current Qt version's internal executable files."),
        pathProperty(&QtVersion::libExecPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_PLUGINS",
        Tr::tr("The installation location of the current Qt version's plugins."),
        pathProperty(&QtVersion::pluginPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_QML",
        Tr::tr("The installation location of the current Qt version's QML files."),
        pathProperty(&QtVersion::qmlPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_IMPORTS",
        Tr::tr("The installation location of the current Qt version's imports."),
        pathProperty(&QtVersion::importsPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_TRANSLATIONS",
        Tr::tr("The installation location of the current Qt version's translation files."),
        pathProperty(&QtVersion::translationsPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_CONFIGURATION",
        Tr::tr("The installation location of the current Qt version's translation files."),
        pathProperty(&QtVersion::configurationPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_EXAMPLES",
        Tr::tr("The installation location of the current Qt version's examples."),
        pathProperty(&QtVersion::examplesPath));

    expander.registerVariable(
        "Qt:QT_INSTALL_DEMOS",
        Tr::tr("The installation location of the current Qt version's demos."),
        pathProperty(&QtVersion::demosPath));

    expander.registerVariable(
        "Qt:QMAKE_MKSPECS",
        Tr::tr("The current Qt version's default mkspecs (Qt 4)."),
        versionProperty([](const QtVersion *version) {
            return version->d->qmakeProperty("QMAKE_MKSPECS");
        }));

    expander.registerVariable(
        "Qt:QMAKE_SPEC",
        Tr::tr("The current Qt version's default mkspec (Qt 5; host system)."),
        versionProperty([](const QtVersion *version) {
            return version->d->qmakeProperty("QMAKE_SPEC");
        }));

    expander.registerVariable(
        "Qt:QMAKE_XSPEC",
        Tr::tr("The current Qt version's default mkspec (Qt 5; target system)."),
        versionProperty([](const QtVersion *version) {
            return version->d->qmakeProperty("QMAKE_XSPEC");
        }));

    expander.registerVariable(
        "Qt:QMAKE_VERSION",
        Tr::tr("The current Qt's qmake version."),
        versionProperty([](const QtVersion *version) {
        return version->d->qmakeProperty("QMAKE_VERSION");
    }));

    //    FIXME: Re-enable once we can detect expansion loops.
    //    expander.registerVariable("Qt:Name",
    //        Tr::tr("The display name of the current Qt version."),
    //        versionProperty(&QtVersion::displayName));
}

QtVersion::~QtVersion()
{
    delete d;
}

QString QtVersion::defaultUnexpandedDisplayName() const
{
    QString location;
    if (qmakeFilePath().isEmpty()) {
        location = Tr::tr("<unknown>");
    } else {
        // Deduce a description from '/foo/qt-folder/[qtbase]/bin/qmake' -> '/foo/qt-folder'.
        // '/usr' indicates System Qt 4.X on Linux.
        for (const FilePath &dir : PathAndParents(qmakeFilePath().parentDir())) {
            const QString dirName = dir.fileName();
            if (dirName == "usr") { // System-installed Qt.
                location = Tr::tr("System");
                break;
            }
            location = dirName;
            // Also skip default checkouts named 'qt'. Parent dir might have descriptive name.
            if (dirName.compare("bin", Qt::CaseInsensitive)
                && dirName.compare("qtbase", Qt::CaseInsensitive)
                && dirName.compare("qt", Qt::CaseInsensitive)) {
                break;
            }
        }
    }

    QString result = detectionSource().id == "PATH"
                         ? Tr::tr("Qt %{Qt:Version} in PATH (%2)").arg(location)
                         : Tr::tr("Qt %{Qt:Version} (%2)").arg(location);

    if (!qmakeFilePath().isLocal())
        result += QString(Tr::tr(" (on %1)")).arg(qmakeFilePath().host().toString());

    return result;
}

QString QtVersion::moduleForHeader(const QString &headerFileName) const
{
    if (!d->m_classesPerModule) {
        d->m_classesPerModule.emplace();
        const FileFilter filesFilter({}, DirFilterFlag::Files);
        const FileFilter frameworksFilter({"*.framework"}, DirFilterFlag::Dirs | DirFilterFlag::NoDotAndDotDot);
        const FilePaths frameworks = libraryPath().dirEntries(frameworksFilter);
        for (const FilePath &framework : frameworks) {
            const QString frameworkName = framework.fileName();
            const QString &moduleName = frameworkName.left(frameworkName.indexOf('.'));
            const FilePath headersDir = libraryPath().resolvePath(framework.pathAppended("Headers"));
            const FilePaths headers = headersDir.dirEntries(filesFilter);
            d->m_classesPerModule->insert(moduleName, Utils::transform(headers, &FilePath::fileName));
        }
        if (frameworks.isEmpty()) {
            const FileFilter modulesFilter({"Qt[A-Z]*"}, DirFilterFlag::Dirs | DirFilterFlag::NoDotAndDotDot);
            const FilePaths modules = headerPath().dirEntries(modulesFilter);
            for (const FilePath &module : modules) {
                const FilePath headersDir = headerPath().resolvePath(module);
                const FilePaths headers = headersDir.dirEntries(filesFilter);
                d->m_classesPerModule
                    ->insert(module.fileName(), Utils::transform(headers, &FilePath::fileName));
            }
        }
    }

    for (auto it = d->m_classesPerModule->cbegin(); it != d->m_classesPerModule->cend(); ++it) {
        if (it.value().contains(headerFileName)) {
            QTC_ASSERT(it.key().size() > 2, return it.key());
            return it.key().left(2) + '.' + it.key().mid(2);
        }
    }
    return {};
}

QSet<Id> QtVersion::availableFeatures() const
{
    QSet<Id> features = versionedIds(qtVersion()); // Qt Version features

    features.insert(Constants::FEATURE_QWIDGETS);
    features.insert(Constants::FEATURE_QT_WEBKIT);
    features.insert(Constants::FEATURE_QT_CONSOLE);

    if (qtVersion() < QVersionNumber(4, 7, 0))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 1, 0));

    if (qtVersion() == QVersionNumber(4, 7, 0))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 1, 1));

    if (QVersionNumber(4).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 0));

    if (QVersionNumber(5, 0).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 1));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_PREFIX, 1, 0));

    if (QVersionNumber(5, 1).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 2));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_PREFIX, 1, 1));

    if (QVersionNumber(5, 2).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 3));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_PREFIX, 1, 2));

    if (QVersionNumber(5, 3).isPrefixOf(qtVersion()))
        return features;

    features.insert(Constants::FEATURE_QT_QUICK_UI_FILES);

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 4));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_PREFIX, 1, 3));

    if (QVersionNumber(5, 4).isPrefixOf(qtVersion()))
        return features;

    features.insert(Constants::FEATURE_QT_3D);

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 5));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_PREFIX, 1, 4));
    features.unite(versionedIds(Constants::FEATURE_QT_CANVAS3D_PREFIX, 1, 0));

    if (QVersionNumber(5, 5).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 6));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_PREFIX, 1, 5));
    features.unite(versionedIds(Constants::FEATURE_QT_LABS_CONTROLS_PREFIX, 1, 0));
    features.unite(versionedIds(Constants::FEATURE_QT_CANVAS3D_PREFIX, 1, 1));

    if (QVersionNumber(5, 6).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 7));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 0));
    features.subtract(versionedIds(Constants::FEATURE_QT_LABS_CONTROLS_PREFIX, 1, 0));

    if (QVersionNumber(5, 7).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 8));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 1));

    if (QVersionNumber(5, 8).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 9));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 2));

    if (QVersionNumber(5, 9).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 10));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 3));

    if (QVersionNumber(5, 10).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 11));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 4));

    if (QVersionNumber(5, 11).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 12));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 5));

    if (QVersionNumber(5, 12).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 13));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 13));

    if (QVersionNumber(5, 13).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 14));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 14));

    if (QVersionNumber(5, 14).isPrefixOf(qtVersion()))
        return features;

    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 2, 15));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 2, 15));

    if (QVersionNumber(5, 15).isPrefixOf(qtVersion()))
        return features;

    // Qt 6 uses versionless imports
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_PREFIX, 6, -1));
    features.unite(versionedIds(Constants::FEATURE_QT_QUICK_CONTROLS_2_PREFIX, 6, -1));

    if (QVersionNumber(6, 1).isPrefixOf(qtVersion()))
        return features;

    features.insert(Constants::FEATURE_QT_QML_CMAKE_API);

    return features;
}

Tasks QtVersion::validateKit(const Kit *k)
{
    Tasks result;

    QtVersion *version = QtKitAspect::qtVersion(k);
    Q_ASSERT(version == this);

    const Abis qtAbis = version->qtAbis();
    if (qtAbis.isEmpty()) // No need to test if Qt does not know anyway...
        return result;

    const QSet<Id> tdt = targetDeviceTypes();
    const IDevice::ConstPtr device = RunDeviceKitAspect::device(k);
    const bool deviceSupportsTdt = !device || device->supportsQtTargetDeviceType(tdt);

    if (!deviceSupportsTdt) {
        result << BuildSystemTask(
            Task::Warning, Tr::tr("Device type is not supported by Qt version."));
    }

    if (Toolchain *tc = ToolchainKitAspect::cxxToolchain(k)) {
        Abi targetAbi = tc->targetAbi();
        Abis supportedAbis = tc->supportedAbis();
        bool fuzzyMatch = false;
        bool fullMatch = false;

        QString qtAbiString;
        for (const Abi &qtAbi : qtAbis) {
            if (!qtAbiString.isEmpty())
                qtAbiString.append(' ');
            qtAbiString.append(qtAbi.toString());

            if (!fullMatch) {
                fullMatch = supportedAbis.contains(qtAbi)
                            && qtAbi.wordWidth() == targetAbi.wordWidth()
                            && qtAbi.architecture() == targetAbi.architecture();
            }
            if (!fuzzyMatch && !fullMatch) {
                fuzzyMatch = Utils::anyOf(supportedAbis, [&](const Abi &abi) {
                    return qtAbi.isCompatibleWith(abi);
                });
            }
        }

        QString message;
        if (!fullMatch) {
            if (!fuzzyMatch)
                message = Tr::tr("The compiler \"%1\" (%2) cannot produce code for the Qt version \"%3\" (%4).");
            else
                message = Tr::tr("The compiler \"%1\" (%2) may not produce code compatible with the Qt version \"%3\" (%4).");
            message = message.arg(tc->displayName(), targetAbi.toString(),
                                  version->displayName(), qtAbiString);
            result << BuildSystemTask(fuzzyMatch ? Task::Warning : Task::Error, message);
        }
    } else if (ToolchainKitAspect::cToolchain(k)) {
        const QString message = Tr::tr("The kit has a Qt version, but no C++ compiler.");
        result << BuildSystemTask(Task::Warning, message);
    }
    return result;
}

FilePath QtVersion::prefix() const // QT_INSTALL_PREFIX
{
    return d->data().prefix;
}

FilePath QtVersion::binPath() const // QT_INSTALL_BINS
{
    return d->data().binPath;
}

FilePath QtVersion::libExecPath() const // QT_INSTALL_LIBEXECS
{
    return d->data().libExecPath;
}
FilePath QtVersion::configurationPath() const // QT_INSTALL_CONFIGURATION
{
    return d->data().configurationPath;
}

FilePath QtVersion::headerPath() const // QT_INSTALL_HEADERS
{
    return d->data().headerPath;
}

FilePath QtVersion::dataPath() const // QT_INSTALL_DATA
{
    return d->data().dataPath;
}

FilePath QtVersion::docsPath() const // QT_INSTALL_DOCS
{
    return d->data().docsPath;
}

FilePath QtVersion::importsPath() const // QT_INSTALL_IMPORTS
{
    return d->data().importsPath;
}

FilePath QtVersion::libraryPath() const // QT_INSTALL_LIBS
{
    return d->data().libraryPath;
}

FilePath QtVersion::pluginPath() const // QT_INSTALL_PLUGINS
{
    return d->data().pluginPath;
}

FilePath QtVersion::qmlPath() const // QT_INSTALL_QML
{
    return d->data().qmlPath;
}

FilePath QtVersion::translationsPath() const // QT_INSTALL_TRANSLATIONS
{
    return d->data().translationsPath;
}

FilePath QtVersion::hostBinPath() const // QT_HOST_BINS
{
    return d->data().hostBinPath;
}

FilePath QtVersion::hostLibexecPath() const // QT_HOST_LIBEXECS
{
    return d->data().hostLibexecPath;
}

FilePath QtVersion::hostDataPath() const // QT_HOST_DATA
{
    return d->data().hostDataPath;
}

FilePath QtVersion::hostPrefixPath() const  // QT_HOST_PREFIX
{
    return d->data().hostPrefixPath;
}

FilePath QtVersion::mkspecsPath() const
{
    const FilePath result = hostDataPath();
    if (result.isEmpty())
        return FilePath::fromUserInput(
            QtVersionPrivate::qmakeProperty(d->data().versionInfo, "QMAKE_MKSPECS"));
    return result.pathAppended("mkspecs");
}

FilePath QtVersion::librarySearchPath() const
{
    return HostOsInfo::isWindowsHost() ? binPath() : libraryPath();
}

FilePaths QtVersion::directoriesToIgnoreInProjectTree() const
{
    FilePaths result;
    const FilePath mkspecPathGet = mkspecsPath();
    result.append(mkspecPathGet);

    FilePath mkspecPathSrc = FilePath::fromUserInput(
        d->qmakeProperty("QT_HOST_DATA", QtVersionPrivate::PropertyVariantSrc));
    if (!mkspecPathSrc.isEmpty()) {
        mkspecPathSrc = mkspecPathSrc.pathAppended("mkspecs");
        if (mkspecPathSrc != mkspecPathGet)
            result.append(mkspecPathSrc);
    }

    return result;
}

QString QtVersion::qtNamespace() const
{
    ensureMkSpecParsed();
    return d->m_mkspecValues.value(MKSPEC_VALUE_NAMESPACE);
}

void QtVersion::fromMap(const Store &map, const FilePath &filePath)
{
    d->m_id = map.value(Constants::QTVERSIONID).toInt();
    if (d->m_id == -1) // this happens on adding from installer, see updateFromInstaller => get a new unique id
        d->m_id = QtVersionManager::getUniqueId();
    d->m_unexpandedDisplayName.fromMap(map, Constants::QTVERSIONNAME);
    const std::optional<DetectionSource> detectionSource = DetectionSource::createFromMap(map);
    if (detectionSource) {
        d->m_detectionSource = *detectionSource;
    } else {
        // TODO deprecated since QtC 19
        const bool isAutodetected = map.value(QTVERSIONAUTODETECTED).toBool();
        const QString detectionSource = map.value(QTVERSIONDETECTIONSOURCE).toString();
        d->m_detectionSource
            = {isAutodetected ? DetectionSource::FromSystem : DetectionSource::Manual,
               detectionSource};
    }

    d->m_overrideFeatures = Id::fromStringList(map.value(QTVERSION_OVERRIDE_FEATURES).toStringList());
    d->m_qmakeCommand = FilePath::fromSettings(map.value(QTVERSIONQMAKEPATH));

    FilePath qmake = d->m_qmakeCommand;
    // FIXME: Check this is still needed or whether ProcessArgs::splitArg handles it.
    QString string = d->m_qmakeCommand.path();
    if (string.startsWith('~'))
        string.remove(0, 1).prepend(QDir::homePath());
    qmake = qmake.withNewPath(string);
    if (d->m_qmakeCommand.isLocal()) {
        if (isQtChooser(qmake)) {
            // we don't want to treat qtchooser as a normal qmake
            // see e.g. QTCREATORBUG-9841, also this lead to users changing what
            // qtchooser forwards too behind our backs, which will inadvertly lead to bugs
            d->m_qmakeCommand = qtChooserToQmakePath(qmake);
        }
    }
    d->m_qmakeCommand = filePath.resolvePath(d->m_qmakeCommand);
    d->updateVersionInfoNow();

    Store::const_iterator itQtAbis = map.find(QTVERSION_ABIS);
    if (itQtAbis != map.end()) {
        // Only the SDK Tool writes abis to the settings. If we find abis in the settings, we want
        // to make sure to use them as our automatic detection is not perfect.
        const QStringList abiList = itQtAbis.value().toStringList();
        if (!abiList.isEmpty()) {
            const Abis abis = Utils::transform<Abis>(abiList, &Abi::fromString);
            d->m_qtAbis = Utils::filtered(abis, &Abi::isValid);
        }
    }

    updateDefaultDisplayName();

    // Clear the cached qmlscene command, it might not match the restored path anymore.
    d->m_qmlRuntimePath.clear();
}

Store QtVersion::toMap() const
{
    Store result;
    result.insert(Constants::QTVERSIONID, uniqueId());
    d->m_unexpandedDisplayName.toMap(result, Constants::QTVERSIONNAME);

    // TODO deprecated since QtC 19
    result.insert(QTVERSIONAUTODETECTED, detectionSource().isAutoDetected());
    result.insert(QTVERSIONDETECTIONSOURCE, detectionSource().id);

    detectionSource().toMap(result);

    if (!d->m_overrideFeatures.isEmpty())
        result.insert(QTVERSION_OVERRIDE_FEATURES, Id::toStringList(d->m_overrideFeatures));

    result.insert(QTVERSIONQMAKEPATH, qmakeFilePath().toSettings());

    return result;
}

bool QtVersion::isValid() const
{
    if (uniqueId() == -1 || displayName().isEmpty())
        return false;
    d->updateMkspec();

    return !qmakeFilePath().isEmpty() && d->data().installed && !binPath().isEmpty()
           && !d->m_mkspecFullPath.isEmpty() && d->m_qmakeIsExecutable;
}

QtVersion::Predicate QtVersion::isValidPredicate(const QtVersion::Predicate &predicate)
{
    if (predicate)
        return [predicate](const QtVersion *v) { return v->isValid() && predicate(v); };
    return [](const QtVersion *v) { return v->isValid(); };
}

QString QtVersion::invalidReason() const
{
    if (displayName().isEmpty())
        return Tr::tr("Qt version has no name");
    if (qmakeFilePath().isEmpty())
        return Tr::tr("No qmake path set");
    if (!d->m_qmakeIsExecutable)
        return Tr::tr("qmake does not exist or is not executable");
    if (!d->data().installed)
        return Tr::tr("Qt version is not properly installed");
    if (binPath().isEmpty())
        return Tr::tr("Could not determine the path to the binaries of the Qt installation, "
                      "maybe the qmake path is wrong?");
    if (d->m_mkspecUpToDate && d->m_mkspecFullPath.isEmpty())
        return Tr::tr("The default mkspec symlink is broken.");
    return QString();
}

QStringList QtVersion::warningReason() const
{
    QStringList ret;
    if (qtAbis().isEmpty())
        ret << Tr::tr("ABI detection failed: Make sure to use a matching compiler when building.");
    if (d->data().versionInfo.value(ProKey("QT_INSTALL_PREFIX/get"))
        != d->data().versionInfo.value(ProKey("QT_INSTALL_PREFIX"))) {
        ret << Tr::tr("Non-installed -prefix build - for internal development only.");
    }
    return ret;
}

FilePath QtVersion::qmakeFilePath() const
{
    return d->m_qmakeCommand;
}

bool QtVersion::hasQtAbisSet() const
{
    return d->m_qtAbis.has_value();
}

Abis QtVersion::qtAbis() const
{
    if (!d->m_qtAbis
        // QTCREATORBUG-30568 give AndroidQtVersion a "second chance" to detect Qt Abis
        || (d->m_type == Android::Constants::ANDROID_QT_TYPE && d->m_qtAbis->isEmpty())) {
        d->m_qtAbis = detectQtAbis();
    }

    return *d->m_qtAbis;
}

void QtVersion::setQtAbis(const Abis &abis)
{
    d->m_qtAbis = abis;
}

Abis QtVersion::detectQtAbis() const
{
    qCDebug(abiDetect) << "Detecting ABIs for" << qmakeFilePath();
    if (const Abis abis = qtAbisFromJson(); !abis.isEmpty())
        return abis;
    qCDebug(abiDetect) << "Got no ABI from JSON file, falling back to inspecting binaries";
    return d->qtAbisFromLibrary();
}

Abis QtVersion::qtAbisFromJson() const
{
    return QtSupport::Internal::qtAbisFromJson(
        *this, {d->data().archDataPath, d->data().dataPath, d->data().hostDataPath});
}

bool QtVersion::hasAbi(ProjectExplorer::Abi::OS os, ProjectExplorer::Abi::OSFlavor flavor) const
{
    const Abis abis = qtAbis();
    return Utils::anyOf(abis, [&](const Abi &abi) {
        if (abi.os() != os)
            return false;

        if (flavor == Abi::UnknownFlavor)
            return true;

        return abi.osFlavor() == flavor;
    });
}

bool QtVersion::equals(QtVersion *other)
{
    if (d->m_qmakeCommand != other->d->m_qmakeCommand)
        return false;
    if (type() != other->type())
        return false;
    if (uniqueId() != other->uniqueId())
        return false;
    if (displayName() != other->displayName())
        return false;
    if (isValid() != other->isValid())
        return false;

    return true;
}

int QtVersion::uniqueId() const
{
    return d->m_id;
}

QString QtVersion::type() const
{
    return d->m_type;
}

DetectionSource QtVersion::detectionSource() const
{
    return d->m_detectionSource;
}

bool QtVersion::isAutodetected() const
{
    return detectionSource().isAutoDetected();
}

QString QtVersion::displayName() const
{
    return macroExpander()->expand(unexpandedDisplayName());
}

QString QtVersion::unexpandedDisplayName() const
{
    return d->m_unexpandedDisplayName.value();
}

void QtVersion::setUnexpandedDisplayName(const QString &name)
{
    d->m_unexpandedDisplayName.setValue(name);
}

void QtVersion::updateDefaultDisplayName()
{
    d->m_unexpandedDisplayName.setDefaultValue(defaultUnexpandedDisplayName());
}

QString QtVersion::toHtml(bool verbose) const
{
    QString rc;
    QTextStream str(&rc);
    str << "<html><body><table>";
    str << "<tr><td><b>" << Tr::tr("Name:")
        << "</b></td><td>" << displayName() << "</td></tr>";
    if (!isValid()) {
        str << "<tr><td><b>" << Tr::tr("Invalid Qt version:")
            << "</b></td><td>" << invalidReason() << "</td></tr>";
    } else {
        str << "<tr><td><b>" << Tr::tr("ABI:")
            << "</b></td>";
        const Abis abis = qtAbis();
        if (abis.isEmpty()) {
            str << "<td>" << Abi().toString() << "</td></tr>";
        } else {
            for (int i = 0; i < abis.size(); ++i) {
                if (i)
                    str << "<tr><td></td>";
                str << "<td>" << abis.at(i).toString() << "</td></tr>";
            }
        }
        const OsType osType = d->m_qmakeCommand.osType();
        str << "<tr><td><b>" << Tr::tr("Source:")
            << "</b></td><td>" << sourcePath().toUserOutput() << "</td></tr>";
        str << "<tr><td><b>" << Tr::tr("mkspec:")
            << "</b></td><td>" << QDir::toNativeSeparators(mkspec()) << "</td></tr>";
        str << "<tr><td><b>" << Tr::tr("qmake:")
            << "</b></td><td>" << d->m_qmakeCommand.toUserOutput() << "</td></tr>";
        ensureMkSpecParsed();
        if (!mkspecPath().isEmpty()) {
            if (d->m_defaultBuildConfig & (QtVersion::DebugBuild | QtVersion::BuildAll)) {
                str << "<tr><td><b>" << Tr::tr("Default:") << "</b></td><td>"
                    << ((d->m_defaultBuildConfig & QtVersion::DebugBuild) ? "debug" : "release");
                if (d->m_defaultBuildConfig & QtVersion::BuildAll)
                    str << " debug_and_release";
                str << "</td></tr>";
            } // default config.
        }
        str << "<tr><td><b>" << Tr::tr("Version:")
            << "</b></td><td>" << qtVersionString() << "</td></tr>";
        if (verbose) {
            const QHash<ProKey, ProString> vInfo = d->versionInfo();
            if (!vInfo.isEmpty()) {
                const QList<ProKey> keys = Utils::sorted(vInfo.keys());
                for (const ProKey &key : keys) {
                    const QString &value = vInfo.value(key).toQString();
                    QString variableName = key.toQString();
                    if (variableName != "QMAKE_MKSPECS"
                        && !variableName.endsWith("/raw")) {
                        bool isPath = false;
                        if (variableName.contains("_HOST_")
                            || variableName.contains("_INSTALL_")) {
                            if (!variableName.endsWith("/get"))
                                continue;
                            variableName.chop(4);
                            isPath = true;
                        } else if (variableName == "QT_SYSROOT") {
                            isPath = true;
                        }
                        str << "<tr><td><pre>" << variableName <<  "</pre></td><td>";
                        if (value.isEmpty())
                            isPath = false;
                        if (isPath) {
                            str << "<a href=\"" << QUrl::fromLocalFile(value).toString()
                                << "\">" << OsSpecificAspects::pathWithNativeSeparators(osType, value) << "</a>";
                        } else {
                            str << value;
                        }
                        str << "</td></tr>";
                    }
                }
            }
        }
    }
    str << "</table></body></html>";
    return rc;
}

FilePath QtVersion::sourcePath() const
{
    if (d->data().sourcePath.isEmpty())
        d->data().sourcePath = QtVersionPrivate::sourcePath(d->data().versionInfo);
    return d->data().sourcePath;
}

FilePath QtVersion::designerFilePath() const
{
    if (!isValid())
        return {};
    if (d->m_designerPath.isEmpty())
        d->m_designerPath = d->findHostBinary(Designer);
    return d->m_designerPath;
}

FilePath QtVersion::linguistFilePath() const
{
    if (!isValid())
        return {};
    if (d->m_linguistPath.isEmpty())
        d->m_linguistPath = d->findHostBinary(Linguist);
    return d->m_linguistPath;
}

FilePath QtVersion::qscxmlcFilePath() const
{
    if (!isValid())
        return {};

    if (d->m_qscxmlcPath.isEmpty())
        d->m_qscxmlcPath = d->findHostBinary(QScxmlc);
    return d->m_qscxmlcPath;
}

FilePath QtVersion::qmlRuntimeFilePath() const
{
    if (!isValid())
        return {};

    if (!d->m_qmlRuntimePath.isEmpty())
        return d->m_qmlRuntimePath;

    FilePath path = binPath();
    if (qtVersion() >= QVersionNumber(6, 2, 0))
        path = path.pathAppended("qml").withExecutableSuffix();
    else
        path = path.pathAppended("qmlscene").withExecutableSuffix();

    d->m_qmlRuntimePath = path.isExecutableFile() ? path : FilePath();

    return d->m_qmlRuntimePath;
}

FilePath QtVersion::qmlplugindumpFilePath() const
{
    if (!isValid())
        return {};

    if (!d->m_qmlplugindumpPath.isEmpty())
        return d->m_qmlplugindumpPath;

    const FilePath path = binPath().pathAppended("qmlplugindump").withExecutableSuffix();
    d->m_qmlplugindumpPath = path.isExecutableFile() ? path : FilePath();

    return d->m_qmlplugindumpPath;
}

FilePath QtVersionPrivate::findHostBinary(HostBinaries binary) const
{
    FilePath baseDir;
    if (q->qtVersion() < QVersionNumber(5, 0, 0)) {
        baseDir = q->binPath();
    } else {
        switch (binary) {
        case Designer:
        case Linguist:
        case QScxmlc:
            baseDir = q->hostBinPath();
            break;
        case Rcc:
        case Uic:
            if (q->qtVersion() >= QVersionNumber(6, 1))
                baseDir = q->hostLibexecPath();
            else
                baseDir = q->hostBinPath();
            break;
        default:
            // Can't happen
            Q_ASSERT(false);
        }
    }

    if (baseDir.isEmpty())
        return {};

    QStringList possibleCommands;
    switch (binary) {
    case Designer:
        if (HostOsInfo::isMacHost())
            possibleCommands << "Designer.app/Contents/MacOS/Designer";
        else
            possibleCommands << HostOsInfo::withExecutableSuffix("designer");
        break;
    case Linguist:
        if (HostOsInfo::isMacHost())
            possibleCommands << "Linguist.app/Contents/MacOS/Linguist";
        else
            possibleCommands << HostOsInfo::withExecutableSuffix("linguist");
        break;
    case Rcc:
        if (HostOsInfo::isWindowsHost()) {
            possibleCommands << "rcc.exe";
        } else {
            const QString majorString = QString::number(q->qtVersion().majorVersion());
            possibleCommands << ("rcc-qt" + majorString) << ("rcc" + majorString) << "rcc";
        }
        break;
    case Uic:
        if (HostOsInfo::isWindowsHost()) {
            possibleCommands << "uic.exe";
        } else {
            const QString majorString = QString::number(q->qtVersion().majorVersion());
            possibleCommands << ("uic-qt" + majorString) << ("uic" + majorString) << "uic";
        }
        break;
    case QScxmlc:
        possibleCommands << HostOsInfo::withExecutableSuffix("qscxmlc");
        break;
    default:
        Q_ASSERT(false);
    }
    for (const QString &possibleCommand : std::as_const(possibleCommands)) {
        const FilePath fullPath = baseDir / possibleCommand;
        if (fullPath.isExecutableFile())
            return fullPath;
    }
    return {};
}

FilePath QtVersion::rccFilePath() const
{
    if (!isValid())
        return {};
    if (!d->m_rccPath.isEmpty())
        return d->m_rccPath;
    d->m_rccPath = d->findHostBinary(Rcc);
    return d->m_rccPath;
}

FilePath QtVersion::uicFilePath() const
{
    if (!isValid())
        return {};
    if (!d->m_uicPath.isEmpty())
        return d->m_uicPath;
    d->m_uicPath = d->findHostBinary(Uic);
    return d->m_uicPath;
}

void QtVersionPrivate::updateMkspec()
{
    if (m_id == -1 || m_mkspecUpToDate)
        return;

    m_mkspecUpToDate = true;
    m_mkspecFullPath = mkspecFromVersionInfo(versionInfo(), m_qmakeCommand);

    m_mkspec = m_mkspecFullPath;
    if (m_mkspecFullPath.isEmpty())
        return;

    if (!m_mkspec.isLocal())
        return;

    FilePath baseMkspecDir = mkspecDirectoryFromVersionInfo(versionInfo(), m_qmakeCommand);

    if (m_mkspec.isChildOf(baseMkspecDir)) {
        m_mkspec = m_mkspec.relativeChildPath(baseMkspecDir);
//        qDebug() << "Setting mkspec to"<<mkspec;
    } else {
        const FilePath sourceMkSpecPath = q->sourcePath().pathAppended("mkspecs");
        if (m_mkspec.isChildOf(sourceMkSpecPath)) {
            m_mkspec = m_mkspec.relativeChildPath(sourceMkSpecPath);
        } else {
            // Do nothing
        }
    }
}

void QtVersion::ensureMkSpecParsed() const
{
    if (d->m_mkspecReadUpToDate)
        return;
    d->m_mkspecReadUpToDate = true;

    if (mkspecPath().isEmpty())
        return;

    QMakeVfs vfs;
    QMakeGlobals option;
    applyProperties(&option);
    Environment env = d->m_qmakeCommand.deviceEnvironment();
    setupQmakeRunEnvironment(env);
    option.environment = env.toProcessEnvironment();
    if (!d->m_qmakeCommand.isLocal())
        option.device_root = d->m_qmakeCommand.withNewPath("/").toFSPathString(); // Empty for host!
    ProMessageHandler msgHandler(true);
    ProFileCacheManager::instance()->incRefCount();
    QMakeParser parser(ProFileCacheManager::instance()->cache(), &vfs, &msgHandler);
    ProFileEvaluator evaluator(&option, &parser, &vfs, &msgHandler);
    evaluator.loadNamedSpec(mkspecPath().path(), false);

    parseMkSpec(&evaluator);

    ProFileCacheManager::instance()->decRefCount();
}

void QtVersion::parseMkSpec(ProFileEvaluator *evaluator) const
{
    const QStringList configValues = evaluator->values("CONFIG");
    d->m_defaultBuildConfig = QtVersion::DebugBuild;
    for (const QString &value : configValues) {
        if (value == "debug")
            d->m_defaultBuildConfig |= QtVersion::DebugBuild;
        else if (value == "release")
            d->m_defaultBuildConfig &= ~QtVersion::DebugBuild;
        else if (value == "build_all")
            d->m_defaultBuildConfig |= QtVersion::BuildAll;
    }
    const QString libinfix = MKSPEC_VALUE_LIBINFIX;
    const QString ns = MKSPEC_VALUE_NAMESPACE;
    d->m_mkspecValues.insert(libinfix, evaluator->value(libinfix));
    d->m_mkspecValues.insert(ns, evaluator->value(ns));
}

void QtVersion::setId(int id)
{
    d->m_id = id;
}

QString QtVersion::mkspec() const
{
    d->updateMkspec();
    return d->m_mkspec.toFSPathString();
}

QString QtVersion::mkspecFor(Toolchain *tc) const
{
    QString versionSpec = mkspec();
    if (!tc)
        return versionSpec;

    const QStringList tcSpecList = tc->suggestedMkspecList();
    if (tcSpecList.contains(versionSpec))
        return versionSpec;

    for (const QString &tcSpec : tcSpecList) {
        if (hasMkspec(tcSpec))
            return tcSpec;
    }

    return versionSpec;
}

FilePath QtVersion::mkspecPath() const
{
    d->updateMkspec();
    return d->m_mkspecFullPath;
}

bool QtVersion::hasMkspec(const QString &spec) const
{
    if (spec.isEmpty())
        return true; // default spec of a Qt version

    const FilePath absSpec = hostDataPath().pathAppended("mkspecs").resolvePath(spec);
    if (absSpec.pathAppended("qmake.conf").isReadableFile())
        return true;

    const FilePath absSrcSpec = sourcePath() / "mkspecs" / spec;
    return absSrcSpec != absSpec
            && absSrcSpec.pathAppended("qmake.conf").isReadableFile();
}

QtVersion::QmakeBuildConfigs QtVersion::defaultBuildConfig() const
{
    ensureMkSpecParsed();
    return d->m_defaultBuildConfig;
}

QString QtVersion::qtVersionString() const
{
    return d->data().qtVersionString;
}

QVersionNumber QtVersion::qtVersion() const
{
    return QVersionNumber::fromString(qtVersionString());
}

Result<QtVersionData> dataForQMake(const FilePath m_qmakeCommand)
{
    QtVersionData data;

    QString error;
    if (!QtVersionPrivate::queryQMakeVariables(m_qmakeCommand, &data.versionInfo, &error)) {
        return ResultError(Tr::tr("Cannot update Qt version information from %1: %2.")
                           .arg(m_qmakeCommand.displayName(), error));
    }

    auto fileProperty = [&](const QByteArray &name) {
        return m_qmakeCommand.withNewPath(QtVersionPrivate::qmakeProperty(data.versionInfo, name))
            .cleanPath();
    };

    data.installed = true;
    data.hasExamples = false;
    data.hasDocumentation = false;
    data.prefix = fileProperty("QT_INSTALL_PREFIX");
    data.binPath = fileProperty("QT_INSTALL_BINS");
    data.libExecPath = fileProperty("QT_INSTALL_LIBEXECS");
    data.configurationPath = fileProperty("QT_INSTALL_CONFIGURATION");
    data.dataPath = fileProperty("QT_INSTALL_DATA");
    data.archDataPath = fileProperty("QT_INSTALL_ARCHDATA");
    data.demosPath = fileProperty("QT_INSTALL_DEMOS");
    data.docsPath = fileProperty("QT_INSTALL_DOCS");
    data.examplesPath = fileProperty("QT_INSTALL_EXAMPLES");
    data.headerPath = fileProperty("QT_INSTALL_HEADERS");
    data.importsPath = fileProperty("QT_INSTALL_IMPORTS");
    data.libraryPath = fileProperty("QT_INSTALL_LIBS");
    data.pluginPath = fileProperty("QT_INSTALL_PLUGINS");
    data.qmlPath = fileProperty("QT_INSTALL_QML");
    data.translationsPath = fileProperty("QT_INSTALL_TRANSLATIONS");
    data.hostBinPath = fileProperty("QT_HOST_BINS");
    data.hostLibexecPath = fileProperty("QT_HOST_LIBEXECS");
    data.hostDataPath = fileProperty("QT_HOST_DATA");
    data.hostPrefixPath = fileProperty("QT_HOST_PREFIX");

    struct CheckDir
    {
        FilePath *path;
        bool *isReadable;
    };

    QList<CheckDir> checkDirs = {
        {&data.hostBinPath, &data.installed},
        {&data.docsPath, &data.hasDocumentation},
        {&data.examplesPath, &data.hasExamples},
        {&data.demosPath, &data.hasDemos},
    };
    // For cross builds, QT_INSTALL_HEADERS is inside the target sysroot and not
    // necessarily available on the host. Only check it for native builds.
    const bool isCrossBuild = !data.hostPrefixPath.isEmpty()
                              && data.hostPrefixPath != data.prefix;
    if (data.binPath.osType() != OsTypeMac && !isCrossBuild)
        checkDirs.push_back({&data.headerPath, &data.installed});

    QtConcurrent::map(checkDirs, [](CheckDir &checkDir) {
        *checkDir.isReadable = checkDir.path->isReadableDir();
    }).waitForFinished();

    data.qtVersionString = QtVersionPrivate::qmakeProperty(data.versionInfo, "QT_VERSION");

    data.versionInfoUpToDate = true;

    return data;
}

QtVersionData &QtVersionPrivate::data()
{
    // Shared placeholder returned while the qmake query keeps failing (see below). It is
    // never stored as the authoritative, cached data and is treated as read-only.
    static QtVersionData emptyData = [] {
        QtVersionData data;
        data.installed = true;
        data.hasExamples = false;
        data.hasDocumentation = false;
        return data;
    }();

    if (!m_data) {
        // A default-constructed QFuture reports isFinished() == true but holds no result,
        // which is the state left behind by the failure reset below. Key the (re-)query on
        // the absence of a result instead, so result() is never called on an empty future.
        if (!m_dataFuture.isRunning() && m_dataFuture.resultCount() == 0)
            updateVersionInfoNow();

        if (m_dataFuture.isRunning())
            m_dataFuture.waitForFinished();

        const Result<QtVersionData> data = m_dataFuture.result();
        m_qmakeIsExecutable = data.has_value();
        if (!data.has_value()) {
            Core::MessageManager::writeFlashing(data.error());

            // Do not cache the failure. Querying a remote qmake can fail transiently -
            // most commonly because the device is not connected yet - and permanently
            // caching an empty result would leave the Qt without version and ABI
            // information forever. That in turn prevents it from being recognized (e.g.
            // as a macOS Qt) and paired into an auto-created kit, even after the device
            // becomes reachable. Reset the future and leave m_data unset so the next
            // access retries the query; once it succeeds the result is cached normally.
            m_dataFuture = {};
        } else {
            m_data = *data;
        }
    }

    return m_data ? *m_data : emptyData;
}

void QtVersionPrivate::updateVersionInfoNow()
{
    if (m_data || m_dataFuture.isRunning())
        return;

    // extract data from qmake executable
    m_dataFuture = Utils::asyncRun([qmake = m_qmakeCommand] { return dataForQMake(qmake); });
}

QHash<ProKey,ProString> QtVersionPrivate::versionInfo()
{
    return data().versionInfo;
}

QString QtVersionPrivate::qmakeProperty(const QHash<ProKey, ProString> &versionInfo,
                                            const QByteArray &name,
                                            PropertyVariant variant)
{
    QString val = versionInfo
                      .value(ProKey(QString::fromLatin1(
                          name
                          + (variant == PropertyVariantDev
                                 ? "/dev"
                                 : variant == PropertyVariantGet ? "/get" : "/src"))))
                      .toQString();
    if (!val.isNull())
        return val;
    return versionInfo.value(ProKey(name)).toQString();
}

void QtVersion::applyProperties(QMakeGlobals *qmakeGlobals) const
{
    qmakeGlobals->setProperties(d->versionInfo());
}

bool QtVersion::hasDocs() const
{
    return d->data().hasDocumentation;
}

bool QtVersion::hasDemos() const
{
    return d->data().hasDemos;
}

FilePath QtVersion::demosPath() const
{
    return d->data().demosPath;
}

FilePath QtVersion::frameworkPath() const
{
    if (HostOsInfo::isMacHost())
        return libraryPath();
    return {};
}

bool QtVersion::hasExamples() const
{
    return d->data().hasExamples;
}

FilePath QtVersion::examplesPath() const // QT_INSTALL_EXAMPLES
{
    return d->data().examplesPath;
}

/*!
    \internal
    Returns a list of directories containing Qt related shared objects
*/
FilePaths QtVersion::qtSoPaths() const
{
    FilePaths paths;
    const FilePath qtPaths[] = {libraryPath(), pluginPath(), qmlPath(), importsPath()};
    for (const FilePath &qtPath : qtPaths) {
        if (qtPath.isEmpty())
            continue;

        // FIXME: Could be sped up, we need just the info whether there is one such entry
        const FilePaths soPaths =
                qtPath.dirEntries({{"*.so"}, DirFilterFlag::Files, DirIteratorFlag::Subdirectories});
        for (const FilePath &soPath : soPaths)
            paths.append(soPath.parentDir());
    }
    FilePath::removeDuplicates(paths);
    return paths;
}

MacroExpander *QtVersion::macroExpander() const
{
    return &d->m_expander;
}

void QtVersion::populateQmlFileFinder(FileInProjectFinder *finder, const BuildConfiguration *bc)
{
    // If target given, then use the project associated with that ...
    const Project *startupProject = bc ? bc->project() : nullptr;

    // ... else try the session manager's global startup project ...
    if (!startupProject)
        startupProject = ProjectManager::startupProject();

    // ... and if that is null, use the first project available.
    const QList<Project *> projects = ProjectManager::projects();
    QTC_CHECK(projects.isEmpty() || startupProject);

    FilePath projectDirectory;
    FilePaths sourceFiles;

    // Sort files from startupProject to the front of the list ...
    if (startupProject) {
        projectDirectory = startupProject->projectDirectory();
        sourceFiles.append(startupProject->files(Project::SourceFiles));
    }

    // ... then add all the other projects' files.
    for (const Project *project : projects) {
        if (project != startupProject)
            sourceFiles.append(project->files(Project::SourceFiles));
    }

    // If no target was given, but we've found a startupProject, then try to deduce a
    // target from that.
    if (!bc && startupProject)
        bc = startupProject->activeBuildConfiguration();

    // ... and find the sysroot and qml directory if we have any target at all.
    const Kit *kit = bc ? bc->kit() : nullptr;
    const FilePath activeSysroot = SysRootKitAspect::sysRoot(kit);
    const QtVersion *qtVersion = QtVersionManager::isLoaded()
            ? QtKitAspect::qtVersion(kit) : nullptr;
    FilePaths additionalSearchDirectories = qtVersion
            ? FilePaths({qtVersion->qmlPath()}) : FilePaths();

    if (bc) {
        for (const DeployableFile &file : bc->buildSystem()->deploymentData().allFiles())
            finder->addMappedPath(file.localFilePath(), file.remoteFilePath());
    }

    // Add resource paths to the mapping
    if (startupProject) {
        if (ProjectNode *rootNode = startupProject->rootProjectNode()) {
            rootNode->forEachNode([&](FileNode *node) {
                if (auto resourceNode = dynamic_cast<ProjectExplorer::ResourceFileNode *>(node))
                    finder->addMappedPath(node->filePath(), ":" + resourceNode->qrcPath());
            });
        } else {
            // Can there be projects without root node?
        }
    }

    // HACK:
    // Paths of .qml files go through several location before ending up in the binary
    // (source directory, build directory, entries in .qrc files). The qml debug server
    // side does not do any back-mapping to source directory files when reporting e.g.
    // stack frames or breakpoint locations, so this file finder here is supposed to do
    // the work, some deterministic, some by guessing. The most deterministic way is to
    // read .qrc fils, but in modern Qt 6.x(?) CMake projects, .qrc files containing .qml
    // file are typically on-the-fly and are not part of the project's sources anymore.
    // On top of this, the heuristic to search for the files in the project directory
    // which would normally help as fallback fails for in-source builds due to some
    // unfortunate naming of build artifacts (for a "testprojects/untitled/Main.qml"
    // source, a " testproject/untitled/untitled/Main.qml" build artifact will be
    // generated /and/ found by the back-mapping heuristics using "prefixToIgnore" in
    // FileInProjectFinder::checkProjectDirectory.
    // To work around further, we add all .qrc files found in the project:
    if (bc) {
        const FileFilter filter = {{"*.qrc"}, DirFilterFlag::Files|DirFilterFlag::Hidden, DirIteratorFlag::Subdirectories};
        const FilePaths extraQrcs = bc->buildDirectory().dirEntries(filter);
        sourceFiles += extraQrcs;
    }

    // Finally, do populate m_projectFinder
    finder->setProjectDirectory(projectDirectory);
    finder->setProjectFiles(sourceFiles);
    finder->setSysroot(activeSysroot);
    finder->setAdditionalSearchDirectories(additionalSearchDirectories);
}

QSet<Id> QtVersion::features() const
{
    if (d->m_overrideFeatures.isEmpty())
        return availableFeatures();
    return d->m_overrideFeatures;
}

void QtVersion::addToBuildEnvironment(const Kit *k, Environment &env) const
{
    Q_UNUSED(k)
    env.set("QTDIR", hostDataPath().nativePath());
}

// Some Qt versions may require environment settings for qmake to work
//
// One such example is Blackberry which for some reason decided to always use the same
// qmake and use environment variables embedded in their mkspecs to make that point to
// the different Qt installations.

Environment QtVersion::qmakeRunEnvironment() const
{
    Environment env = d->m_qmakeCommand.deviceEnvironment();
    setupQmakeRunEnvironment(env);
    return env;
}

void QtVersion::setupQmakeRunEnvironment(Environment &env) const
{
    Q_UNUSED(env)
}

bool QtVersion::hasQmlDumpWithRelocatableFlag() const
{
    return ((qtVersion() > QVersionNumber(4, 8, 4) && qtVersion() < QVersionNumber(5, 0, 0))
            || qtVersion() >= QVersionNumber(5, 1, 0));
}

Tasks QtVersion::reportIssuesImpl(const FilePath &proFile, const FilePath &buildDir) const
{
    Q_UNUSED(proFile)
    Q_UNUSED(buildDir)
    Tasks results;

    if (!isValid()) {
        //: %1: Reason for being invalid
        const QString msg = Tr::tr("The Qt version is invalid: %1").arg(invalidReason());
        results.append(BuildSystemTask(Task::Error, msg));
    }

    FilePath qmake = qmakeFilePath();
    if (!qmake.isExecutableFile()) {
        //: %1: Path to qmake executable
        const QString msg = Tr::tr(
                    "The qmake command \"%1\" was not found or is not executable.").arg(qmake.displayName());
        results.append(BuildSystemTask(Task::Error, msg));
    }

    return results;
}

bool QtVersion::supportsMultipleQtAbis() const
{
    return false;
}

static FilePath qmllsForBinPath(const FilePath &binPath, const QVersionNumber &version)
{
    if (version < QVersionNumber(6, 4, 0))
        return {};
    QString qmllsExe = "qmlls";
    if (HostOsInfo::isWindowsHost())
        qmllsExe = "qmlls.exe";
    return binPath.resolvePath(qmllsExe);
}

void QtVersion::fillExtraProjectInfo(Kit *kit, QmlCodeModelInfo &projectInfo)
{
    QtSupport::QtVersion *qtVersion = QtSupport::QtKitAspect::qtVersion(kit);
    if (qtVersion && qtVersion->isValid()) {
        projectInfo.tryQmlDump = qtVersion->type() == QLatin1String(QtSupport::Constants::DESKTOPQT);
        projectInfo.qtQmlPath = qtVersion->qmlPath();
        auto v = qtVersion->qtVersion();
        projectInfo.qmllsPath = qmllsForBinPath(qtVersion->hostBinPath(), v);
        projectInfo.qtVersionString = qtVersion->qtVersionString();
    } else if (!kit->value(QtSupport::Constants::FLAGS_SUPPLIES_QTQUICK_IMPORT_PATH, false).toBool()) {
        projectInfo.qtQmlPath = FilePath::fromUserInput(QLibraryInfo::path(QLibraryInfo::Qml2ImportsPath));
        projectInfo.qmllsPath = qmllsForBinPath(
            FilePath::fromUserInput(QLibraryInfo::path(QLibraryInfo::BinariesPath)), QLibraryInfo::version());
        projectInfo.qtVersionString = QLatin1String(qVersion());
    }

    projectInfo.qmlDumpPath.clear();
    if (qtVersion && projectInfo.tryQmlDump) {
        projectInfo.qmlDumpPath = qtVersion->qmlplugindumpFilePath();
        projectInfo.qmlDumpHasRelocatableFlag = qtVersion->hasQmlDumpWithRelocatableFlag();
    }
}

Tasks QtVersion::reportIssues(const FilePath &proFile, const FilePath &buildDir) const
{
    return Utils::sorted(reportIssuesImpl(proFile, buildDir));
}

QtConfigWidget *QtVersion::createConfigurationWidget() const
{
    return nullptr;
}

static QByteArray runQmakeQuery(const FilePath &binary, const Environment &env, QString *error)
{
    QTC_ASSERT(error, return QByteArray());

    Process process;
    process.setEnvironment(env);
    process.setCommand({binary, {"-query"}});
    process.start();

    if (!process.waitForFinished()) {
        *error = Tr::tr("Timeout running \"%1\".").arg(binary.displayName());
        return {};
    }
    if (process.exitStatus() != QProcess::NormalExit) {
        *error = Tr::tr("\"%1\" crashed.").arg(binary.displayName());
        return {};
    }

    const QByteArray out = process.rawStdOut();
    if (out.isEmpty()) {
        *error = Tr::tr("\"%1\" produced no output: %2.")
                .arg(binary.displayName(), process.cleanedStdErr());
        return {};
    }

    error->clear();
    return out;
}

bool QtVersionPrivate::queryQMakeVariables(const FilePath &binary,
                                           QHash<ProKey, ProString> *versionInfo, QString *error)
{
    QString tmp;
    if (!error)
        error = &tmp;

    if (!binary.isExecutableFile()) {
        *error = ::QtSupport::Tr::tr("qmake \"%1\" is not an executable.").arg(binary.displayName());
        return false;
    }

    const Environment env = binary.deviceEnvironment();
    QByteArray output = runQmakeQuery(binary, env, error);

    if (binary.fileName().contains("qmake") && !output.contains("QMAKE_VERSION:")) {
        // Some setups pass error messages via stdout, fooling the logic below.
        // Example with docker/qemu/arm "OCI runtime exec failed: exec failed: container_linux.go:367:
        // starting container process caused: exec: "/bin/qmake": stat /bin/qmake: no such file or directory"
        // Since we have a rough idea on what the output looks like we can work around this.
        // Output does not always start with QT_SYSROOT, see QTCREATORBUG-26123.
        *error += QString::fromUtf8(output);
        return false;
    }

    if (output.isNull() && !error->isEmpty()) {
        // Note: Don't rerun if we were able to execute the binary before.

        // Try running qmake with all kinds of tool chains set up in the environment.
        // This is required to make non-static qmakes work on windows where every tool chain
        // tries to be incompatible with any other.
        const Abis abiList = Abi::abisOfBinary(binary);
        const Toolchains tcList = ToolchainManager::toolchains([&abiList](const Toolchain *t) {
            return abiList.contains(t->targetAbi());
        });
        for (Toolchain *tc : tcList) {
            Environment realEnv = env;
            tc->addToEnvironment(realEnv);
            output = runQmakeQuery(binary, realEnv, error);
            if (error->isEmpty())
                break;
        }
    }

    if (output.isNull())
        return false;

    QMakeGlobals::parseProperties(output, *versionInfo);

    return true;
}

QString QtVersionPrivate::qmakeProperty(const QByteArray &name,
                                            QtVersionPrivate::PropertyVariant variant)
{
    return qmakeProperty(data().versionInfo, name, variant);
}

FilePath QtVersionPrivate::mkspecDirectoryFromVersionInfo(const QHash<ProKey, ProString> &versionInfo,
                                                              const FilePath &qmakeCommand)
{
    QString dataDir = qmakeProperty(versionInfo, "QT_HOST_DATA", PropertyVariantSrc);
    if (dataDir.isEmpty())
        return {};
    return qmakeCommand.withNewPath(dataDir + "/mkspecs").cleanPath();
}

FilePath QtVersionPrivate::mkspecFromVersionInfo(const QHash<ProKey, ProString> &versionInfo,
                                                     const FilePath &qmakeCommand)
{
    FilePath baseMkspecDir = mkspecDirectoryFromVersionInfo(versionInfo, qmakeCommand);
    if (baseMkspecDir.isEmpty())
        return {};

    bool qt5 = false;
    QString theSpec = qmakeProperty(versionInfo, "QMAKE_XSPEC");
    if (theSpec.isEmpty())
        theSpec = "default";
    else
        qt5 = true;

    FilePath mkspecFullPath = baseMkspecDir.pathAppended(theSpec);

    // qDebug() << "default mkspec is located at" << mkspecFullPath;

    OsType osInfo = mkspecFullPath.osType();
    if (osInfo == OsTypeWindows) {
        if (!qt5) {
            QFile f2(mkspecFullPath.pathAppended("qmake.conf").toFSPathString());
            if (f2.exists() && f2.open(QIODevice::ReadOnly)) {
                while (!f2.atEnd()) {
                    QByteArray line = f2.readLine();
                    if (line.startsWith("QMAKESPEC_ORIGINAL")) {
                        const QList<QByteArray> &temp = line.split('=');
                        if (temp.size() == 2) {
                            QString possibleFullPath = QString::fromLocal8Bit(temp.at(1).trimmed().constData());
                            if (possibleFullPath.contains('$')) { // QTBUG-28792
                                static const QRegularExpression rex("\\binclude\\(([^)]+)/qmake\\.conf\\)");
                                const QRegularExpressionMatch match = rex.match(QString::fromLocal8Bit(f2.readAll()));
                                if (match.hasMatch()) {
                                    possibleFullPath = mkspecFullPath.pathAppended(match.captured(1)).toFSPathString();
                                }
                            }
                            // We sometimes get a mix of different slash styles here...
                            possibleFullPath = possibleFullPath.replace('\\', '/');
                            if (QFileInfo::exists(possibleFullPath)) // Only if the path exists
                                mkspecFullPath = FilePath::fromUserInput(possibleFullPath);
                        }
                        break;
                    }
                }
                f2.close();
            }
        }
    } else {
        if (osInfo == OsTypeMac) {
            QFile f2(mkspecFullPath.pathAppended("qmake.conf").toFSPathString());
            if (f2.exists() && f2.open(QIODevice::ReadOnly)) {
                while (!f2.atEnd()) {
                    QByteArray line = f2.readLine();
                    if (line.startsWith("MAKEFILE_GENERATOR")) {
                        const QList<QByteArray> &temp = line.split('=');
                        if (temp.size() == 2) {
                            const QByteArray &value = temp.at(1);
                            if (value.contains("XCODE")) {
                                // we don't want to generate xcode projects...
                                // qDebug() << "default mkspec is xcode, falling back to g++";
                                return baseMkspecDir.pathAppended("macx-g++");
                            }
                        }
                        break;
                    }
                }
                f2.close();
            }
        }
        if (!qt5) {
            //resolve mkspec link
            const FilePath rspec = mkspecFullPath.symLinkTarget();
            if (!rspec.isEmpty())
                mkspecFullPath = baseMkspecDir.resolvePath(rspec);
        }
    }
    return mkspecFullPath;
}

FilePath QtVersionPrivate::sourcePath(const QHash<ProKey, ProString> &versionInfo)
{
    const QString qt5Source = qmakeProperty(versionInfo, "QT_INSTALL_PREFIX/src");
    if (!qt5Source.isEmpty()) {
        // Can be wrong for the Qt installers :/
        // Check if we actually find sources, otherwise try what the online installer does.
        const auto source = FilePath::fromString(QFileInfo(qt5Source).canonicalFilePath());
        static const QString qglobal = "qtbase/src/corelib/global/qglobal.h";
        if (!(source / qglobal).exists()) {
            const auto install = FilePath::fromString(
                                     qmakeProperty(versionInfo, "QT_INSTALL_PREFIX"))
                                     .canonicalPath();
            const FilePath otherSource = install / ".." / "Src";
            if ((otherSource / qglobal).exists())
                return otherSource.cleanPath();
        }
        return source;
    }

    // TODO The .qmake.cache workaround doesn't work anymore since Qt is built with CMake
    const QString installData = qmakeProperty(versionInfo, "QT_INSTALL_PREFIX");
    QString sourcePath = installData;
    QFile qmakeCache(installData + "/.qmake.cache");
    if (qmakeCache.exists() && qmakeCache.open(QIODevice::ReadOnly | QIODevice::Text)) {
        QTextStream stream(&qmakeCache);
        while (!stream.atEnd()) {
            QString line = stream.readLine().trimmed();
            if (line.startsWith("QT_SOURCE_TREE")) {
                sourcePath = line.split('=').at(1).trimmed();
                if (sourcePath.startsWith("$$quote(")) {
                    sourcePath.remove(0, 8);
                    sourcePath.chop(1);
                }
                break;
            }
        }
    }
    return FilePath::fromUserInput(QFileInfo(sourcePath).canonicalFilePath());
}

bool QtVersion::isInQtSourceDirectory(const FilePath &filePath) const
{
    FilePath source = sourcePath();
    if (source.isEmpty())
        return false;
    if (source.fileName() == "qtbase")
        source = source.parentDir();
    return filePath.isChildOf(source);
}

bool QtVersion::isQtSubProject(const FilePath &filePath) const
{
    FilePath source = sourcePath();
    if (!source.isEmpty()) {
        if (source.fileName() == "qtbase")
            source = source.parentDir();
        if (filePath.isChildOf(source))
            return true;
    }

    const FilePath examples = examplesPath();
    if (!examples.isEmpty() && filePath.isChildOf(examples))
        return true;

    const FilePath demos = demosPath();
    if (!demos.isEmpty() && filePath.isChildOf(demos))
        return true;

    return false;
}

bool QtVersion::isQmlDebuggingSupported(const Kit *k, QString *reason)
{
    QTC_ASSERT(k, return false);
    QtVersion *version = QtKitAspect::qtVersion(k);
    if (!version) {
        if (reason)
            *reason = Tr::tr("No Qt version.");
        return false;
    }
    return version->isQmlDebuggingSupported(reason);
}

bool QtVersion::isQmlDebuggingSupported(QString *reason) const
{
    if (!isValid()) {
        if (reason)
            *reason = Tr::tr("Invalid Qt version.");
        return false;
    }

    if (qtVersion() < QVersionNumber(5, 0, 0)) {
        if (reason)
            *reason = Tr::tr("Requires Qt 5.0.0 or newer.");
        return false;
    }

    return true;
}

bool QtVersion::isQtQuickCompilerSupported(const Kit *k, QString *reason)
{
    QTC_ASSERT(k, return false);
    QtVersion *version = QtKitAspect::qtVersion(k);
    if (!version) {
        if (reason)
            *reason = Tr::tr("No Qt version.");
        return false;
    }
    return version->isQtQuickCompilerSupported(reason);
}

bool QtVersion::isQtQuickCompilerSupported(QString *reason) const
{
    if (!isValid()) {
        if (reason)
            *reason = Tr::tr("Invalid Qt version.");
        return false;
    }

    if (qtVersion() < QVersionNumber(5, 3, 0)) {
        if (reason)
            *reason = Tr::tr("Requires Qt 5.3.0 or newer.");
        return false;
    }

    if (!mkspecsPath().pathAppended("features/qtquickcompiler.prf").exists()) {
        if (reason)
            *reason = Tr::tr("This Qt Version does not contain Qt Quick Compiler.");
        return false;
    }

    return true;
}

FilePaths QtVersionPrivate::qtCorePaths()
{
    const QString versionString = data().qtVersionString;

    const DirFilterFlags filters = DirFilterFlag::Files | DirFilterFlag::Dirs | DirFilterFlag::NoDotAndDotDot;
    static const QStringList nameFilters{"QtCore*.framework",
                                         "libQtCore*",
                                         "libQt5Core*",
                                         "libQt6Core*",
                                         "QtCore*",
                                         "Qt5Core*",
                                         "Qt6Core*"};

    const FilePaths entries = data().libraryPath.dirEntries({nameFilters, filters})
                              + data().binPath.dirEntries(filters);

    FilePaths staticLibs;
    FilePaths dynamicLibs;

    auto isDynamicLib = [&versionString](const QString &file) {
        return file.endsWith(".dll") || file.endsWith(QString::fromLatin1(".so.") + versionString)
               || file.endsWith(".so")
#if defined(Q_OS_OPENBSD)
               || file.contains(QRegularExpression("\\.so\\.[0-9]+\\.[0-9]+$")) // QTCREATORBUG-23818
#endif
               || file.endsWith(QLatin1Char('.') + versionString + ".dylib");
    };

    auto isStaticLib = [](const QString &file) {
        return file.endsWith(".a") || file.endsWith(".lib");
    };

    auto isFramework = [](const QString &file) {
        return file.startsWith("QtCore") && file.endsWith(".framework");
    };

    auto isQtCore = [](const QString &file) {
        return file.startsWith("libQtCore") || file.startsWith("QtCore")
               || file.startsWith("libQt5Core") || file.startsWith("Qt5Core")
               || file.startsWith("libQt6Core") || file.startsWith("Qt6Core");
    };

    for (const FilePath &entry : entries) {
        const QString file = entry.fileName();
        if (isFramework(file) && entry.isReadableDir()) {
            dynamicLibs.append(entry.pathAppended(file.left(file.lastIndexOf('.'))));
        } else if (isQtCore(file)) {
            if (isDynamicLib(file) && entry.isReadableFile())
                dynamicLibs.append(entry);
            else if (isStaticLib(file) && entry.isReadableFile())
                staticLibs.append(entry);
        }
    }
    // Only handle static libs if we cannot find dynamic ones:
    if (dynamicLibs.isEmpty())
        return staticLibs;
    return dynamicLibs;
}

static QByteArray scanQtBinaryForBuildString(const FilePath &library)
{
    QFile lib(library.toFSPathString());
    QByteArray buildString;

    if (lib.open(QIODevice::ReadOnly)) {
        const QByteArray startNeedle = "Qt ";
        const QByteArray buildNeedle = " build; by ";
        const size_t oneMiB = 1024 * 1024;
        const size_t keepSpace = 4096;
        const size_t bufferSize = oneMiB + keepSpace;
        QByteArray buffer(bufferSize, Qt::Uninitialized);

        char *const readStart = buffer.data() + keepSpace;
        auto readStartIt = buffer.begin() + keepSpace;
        const auto copyStartIt = readStartIt + (oneMiB - keepSpace);

        while (!lib.atEnd()) {
            const int read = lib.read(readStart, static_cast<int>(oneMiB));
            const auto readEndIt = readStart + read;
            auto currentIt = readStartIt;

            forever {
                const auto qtFoundIt = std::search(currentIt, readEndIt,
                                                   startNeedle.begin(), startNeedle.end());
                if (qtFoundIt == readEndIt)
                    break;

                currentIt = qtFoundIt + 1;

                // Found "Qt ", now find the next '\0'.
                const auto nullFoundIt = std::find(qtFoundIt, readEndIt, '\0');
                if (nullFoundIt == readEndIt)
                    break;

                // String much too long?
                const size_t len = std::distance(qtFoundIt, nullFoundIt);
                if (len > keepSpace)
                    continue;

                // Does it contain " build; by "?
                const auto buildByFoundIt = std::search(qtFoundIt, nullFoundIt,
                                                        buildNeedle.begin(), buildNeedle.end());
                if (buildByFoundIt == nullFoundIt)
                    continue;

                buildString = QByteArray(qtFoundIt, static_cast<int>(len));
                break;
            }

            if (!buildString.isEmpty() || readEndIt != buffer.constEnd())
                break;

            std::move(copyStartIt, readEndIt, buffer.begin()); // Copy last section to front.
        }
    }
    return buildString;
}

static QStringList extractFieldsFromBuildString(const QByteArray &buildString)
{
    if (buildString.isEmpty() || buildString.size() > 4096)
        return {};

    static const QRegularExpression buildStringMatcher(
                                                "^Qt "
                                                "([\\d\\.a-zA-Z]*) " // Qt version
                                                "\\("
                                                "([\\w_-]+) "       // Abi information
                                                "(shared|static) (?:\\(dynamic\\) )?"
                                                "(debug|release)"
                                                " build; by "
                                                "(.*)"               // compiler with extra info
                                                "\\)$");

    QTC_ASSERT(buildStringMatcher.isValid(), qWarning() << buildStringMatcher.errorString());

    const QRegularExpressionMatch match = buildStringMatcher.match(QString::fromUtf8(buildString));
    if (!match.hasMatch())
        return {};

    QStringList result;
    result.append(match.captured(1)); // qtVersion

    // Abi info string:
    QStringList abiInfo = match.captured(2).split('-', Qt::SkipEmptyParts);

    result.append(abiInfo.takeFirst()); // cpu

    const QString endian = abiInfo.takeFirst();
    QTC_ASSERT(endian.endsWith("_endian"), return {});
    result.append(endian.left(endian.size() - 7)); // without the "_endian"

    result.append(abiInfo.takeFirst()); // pointer

    if (abiInfo.isEmpty()) {
        // no extra info whatsoever:
        result.append(""); // qreal is unset
        result.append(""); // extra info is unset
    } else {
        const QString next = abiInfo.at(0);
        if (next.startsWith("qreal_")) {
            abiInfo.takeFirst();
            result.append(next.mid(6)); // qreal: without the "qreal_" part;
        } else {
            result.append(""); // qreal is unset!
        }

        result.append(abiInfo.join('-')); // extra abi strings
    }

    result.append(match.captured(3)); // linkage
    result.append(match.captured(4)); // buildType
    result.append(match.captured(5)); // compiler

    return result;
}

static Abi refineAbiFromBuildString(const QByteArray &buildString, const Abi &probableAbi)
{
    QStringList buildStringData = extractFieldsFromBuildString(buildString);
    if (buildStringData.size() != 9)
        return probableAbi;

    const QString compiler = buildStringData.at(8);

    Abi::Architecture arch = probableAbi.architecture();
    Abi::OS os = probableAbi.os();
    Abi::OSFlavor flavor = probableAbi.osFlavor();
    Abi::BinaryFormat format = probableAbi.binaryFormat();
    unsigned char wordWidth = probableAbi.wordWidth();

    if (compiler.startsWith("GCC ") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMSysFlavor;
    } else if (compiler.startsWith("MSVC 2005")  && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2005Flavor;
    } else if (compiler.startsWith("MSVC 2008") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2008Flavor;
    } else if (compiler.startsWith("MSVC 2010") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2010Flavor;
    } else if (compiler.startsWith("MSVC 2012") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2012Flavor;
    } else if (compiler.startsWith("MSVC 2015") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2015Flavor;
    } else if (compiler.startsWith("MSVC 2017") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2017Flavor;
    } else if (compiler.startsWith("MSVC 2019") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2019Flavor;
    } else if (compiler.startsWith("MSVC 2022") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2022Flavor;
    } else if (compiler.startsWith("MSVC 2026") && os == Abi::WindowsOS) {
        flavor = Abi::WindowsMsvc2026Flavor;
    }

    return Abi(arch, os, flavor, format, wordWidth);
}

static Abi scanQtBinaryForBuildStringAndRefineAbi(const FilePath &library, const Abi &probableAbi)
{
    static QHash<FilePath, Abi> results;

    if (!results.contains(library)) {
        const QByteArray buildString = scanQtBinaryForBuildString(library);
        results.insert(library, refineAbiFromBuildString(buildString, probableAbi));
    }
    return results.value(library);
}

Abis QtVersionPrivate::qtAbisFromLibrary()
{
    auto filePathToAbiList = [](const FilePath &library) { // Fetch all abis from all libraries ...
        Abis abis = Abi::abisOfBinary(library);
        for (Abi &abi : abis) {
            if (abi.osFlavor() == Abi::UnknownFlavor)
                abi = scanQtBinaryForBuildStringAndRefineAbi(library, abi);
        }
        return abis;
    };

    auto uniqueAbis = [](Abis &result, const Abis &abis) { // ... merge the results into one list ...
        for (const Abi &abi : abis) {
            if (!result.contains(abi))
                result.append(abi);
        }
    };

    return QtConcurrent::blockingMappedReduced<Abis>(qtCorePaths(), filePathToAbiList, uniqueAbis);
}

void QtVersion::resetCache() const
{
    d->m_mkspecReadUpToDate = false;
}

// QtVersionFactory

static QList<QtVersionFactory *> g_qtVersionFactories;

QtVersion *QtVersionFactory::createQtVersionFromQMakePath(
    const FilePath &qmakePath, const DetectionSource &detectionSource, QString *error)
{
    QHash<ProKey, ProString> versionInfo;
    if (!QtVersionPrivate::queryQMakeVariables(qmakePath, &versionInfo, error))
        return nullptr;
    FilePath mkspec = QtVersionPrivate::mkspecFromVersionInfo(versionInfo, qmakePath);

    QMakeVfs vfs;
    QMakeGlobals globals;
    globals.setProperties(versionInfo);
    ProMessageHandler msgHandler(false);
    ProFileCacheManager::instance()->incRefCount();
    QMakeParser parser(ProFileCacheManager::instance()->cache(), &vfs, &msgHandler);
    ProFileEvaluator evaluator(&globals, &parser, &vfs, &msgHandler);
    evaluator.loadNamedSpec(mkspec.toFSPathString(), false);

    const QList<QtVersionFactory *> factories = Utils::sorted(g_qtVersionFactories,
            [](const QtVersionFactory *l, const QtVersionFactory *r) {
        return l->m_priority > r->m_priority;
    });

    if (!qmakePath.isExecutableFile())
        return nullptr;

    QtVersionFactory::SetupData setup;
    setup.config = evaluator.values("CONFIG");
    setup.platforms = evaluator.values("QMAKE_PLATFORM"); // It's a list in general.
    setup.isQnx = !evaluator.value("QNX_CPUDIR").isEmpty();
    setup.mkspec = mkspec.fileName();

    for (QtVersionFactory *factory : factories) {
        if (!factory->m_restrictionChecker || factory->m_restrictionChecker(setup)) {
            QtVersion *ver = factory->create();
            QTC_ASSERT(ver, continue);
            ver->d->m_id = QtVersionManager::getUniqueId();
            QTC_CHECK(ver->d->m_qmakeCommand.isEmpty()); // Should only be used once.
            ver->d->m_qmakeCommand = qmakePath;
            ver->d->updateVersionInfoNow();
            ver->d->m_detectionSource = detectionSource;
            ver->updateDefaultDisplayName();
            ProFileCacheManager::instance()->decRefCount();
            return ver;
        }
    }
    ProFileCacheManager::instance()->decRefCount();
    if (error) {
        *error = Tr::tr("No factory found for qmake: \"%1\"").arg(qmakePath.displayName());
    }
    return nullptr;
}

QtVersionFactory::QtVersionFactory()
{
    g_qtVersionFactories.append(this);
}

QtVersionFactory::~QtVersionFactory()
{
    g_qtVersionFactories.removeOne(this);
}

const QList<QtVersionFactory *> QtVersionFactory::allQtVersionFactories()
{
    return g_qtVersionFactories;
}

bool QtVersionFactory::canRestore(const QString &type)
{
    return type == m_supportedType;
}

QtVersion *QtVersionFactory::restore(const QString &type, const Store &data, const FilePath &filePath)
{
    QTC_ASSERT(canRestore(type), return nullptr);
    QTC_ASSERT(m_creator, return nullptr);
    QtVersion *version = create();
    version->fromMap(data, filePath);
    return version;
}

QtVersion *QtVersionFactory::create() const
{
    QTC_ASSERT(m_creator, return nullptr);
    QtVersion *version = m_creator();
    version->d->m_type = m_supportedType;
    return version;
}

QtVersion *QtVersion::clone() const
{
    for (QtVersionFactory *factory : std::as_const(g_qtVersionFactories)) {
        if (factory->m_supportedType == d->m_type) {
            QtVersion *version = factory->create();
            QTC_ASSERT(version, return nullptr);
            version->fromMap(toMap(), {});

            // Qt Abis are either provided by SDK Tool, or detected from the binaries.
            // The auto detection is not perfect, and we always want to use the data provided by
            // SDK Tool if available. Since the Abis are not contained in toMap() as we
            // don't let the user change them, and we probably forced the cache to refresh, we have
            // to re-set them here.
            if (hasQtAbisSet())
                version->setQtAbis(qtAbis());
            return version;
        }
    }
    QTC_CHECK(false);
    return nullptr;
}

void QtVersionFactory::setQtVersionCreator(const std::function<QtVersion *()> &creator)
{
    m_creator = creator;
}

void QtVersionFactory::setRestrictionChecker(const std::function<bool(const SetupData &)> &checker)
{
    m_restrictionChecker = checker;
}

void QtVersionFactory::setSupportedType(const QString &type)
{
    m_supportedType = type;
}

void QtVersionFactory::setPriority(int priority)
{
    m_priority = priority;
}

} // QtSupport

#if defined(WITH_TESTS)

#include <QTest>

namespace QtSupport::Internal {

class QtBuildStringParserTest final : public QObject
{
    Q_OBJECT

private slots:
    void testQtBuildStringParsing_data();
    void testQtBuildStringParsing();
};

void QtBuildStringParserTest::testQtBuildStringParsing_data()
{
    QTest::addColumn<QByteArray>("buildString");
    QTest::addColumn<QString>("expected");

    QTest::newRow("invalid build string")
            << QByteArray("Qt with invalid buildstring") << QString();
    QTest::newRow("empty build string")
            << QByteArray("") << QString();
    QTest::newRow("huge build string")
            << QByteArray(8192, 'x') << QString();

    QTest::newRow("valid build string")
            << QByteArray("Qt 5.7.1 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 6.2.1 20160830)")
            << "5.7.1;x86_64;little;lp64;;;shared;release;GCC 6.2.1 20160830";

    QTest::newRow("with qreal")
            << QByteArray("Qt 5.7.1 (x86_64-little_endian-lp64-qreal___fp16 shared (dynamic) release build; by GCC 6.2.1 20160830)")
            << "5.7.1;x86_64;little;lp64;__fp16;;shared;release;GCC 6.2.1 20160830";
    QTest::newRow("with qreal and abi")
            << QByteArray("Qt 5.7.1 (x86_64-little_endian-lp64-qreal___fp16-eabi shared (dynamic) release build; by GCC 6.2.1 20160830)")
            << "5.7.1;x86_64;little;lp64;__fp16;eabi;shared;release;GCC 6.2.1 20160830";
    QTest::newRow("with qreal, eabi and softfloat")
            << QByteArray("Qt 5.7.1 (x86_64-little_endian-lp64-qreal___fp16-eabi-softfloat shared (dynamic) release build; by GCC 6.2.1 20160830)")
            << "5.7.1;x86_64;little;lp64;__fp16;eabi-softfloat;shared;release;GCC 6.2.1 20160830";
    QTest::newRow("with eabi")
            << QByteArray("Qt 5.7.1 (x86_64-little_endian-lp64-eabi shared (dynamic) release build; by GCC 6.2.1 20160830)")
            << "5.7.1;x86_64;little;lp64;;eabi;shared;release;GCC 6.2.1 20160830";
    QTest::newRow("with eabi and softfloat")
            << QByteArray("Qt 5.7.1 (x86_64-little_endian-lp64-eabi-softfloat shared (dynamic) release build; by GCC 6.2.1 20160830)")
            << "5.7.1;x86_64;little;lp64;;eabi-softfloat;shared;release;GCC 6.2.1 20160830";
}

void QtBuildStringParserTest::testQtBuildStringParsing()
{
    QFETCH(QByteArray, buildString);
    QFETCH(QString, expected);

    QStringList expectedList;
    if (!expected.isEmpty())
        expectedList = expected.split(';');

    QStringList actual = extractFieldsFromBuildString(buildString);
    QCOMPARE(expectedList, actual);
}

QObject *createQtBuildStringParserTest()
{
    return new QtBuildStringParserTest;
}

} // QtSupport::Internal

#include "baseqtversion.moc"

#endif // WITH_TESTS
