tst_dumpers.cpp

/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "debuggerprotocol.h"
#include "simplifytype.h"
#include "watchdata.h"
#include "watchutils.h"

#ifdef Q_CC_MSVC
#include <utils/environment.h>
#include <utils/qtcprocess.h>
#include <utils/fileutils.h>
#include <utils/synchronousprocess.h>
#endif // Q_CC_MSVC

#include "temporarydir.h"

#include <QtTest>
#include <math.h>

#if  QT_VERSION >= 0x050000
#define MSKIP_SINGLE(x) do { disarm(); QSKIP(x); } while (0)
#else
#define MSKIP_SINGLE(x) do { disarm(); QSKIP(x, SkipSingle); } while (0)
#endif

using namespace Debugger;
using namespace Internal;

#ifdef Q_CC_MSVC

// Copied from abstractmsvctoolchain.cpp to avoid plugin dependency.
static bool generateEnvironmentSettings(Utils::Environment &env,
                                        const QString &batchFile,
                                        const QString &batchArgs,
                                        QMap<QString, QString> &envPairs)
{
    // Create a temporary file name for the output. Use a temporary file here
    // as I don't know another way to do this in Qt...
    // Note, can't just use a QTemporaryFile all the way through as it remains open
    // internally so it can't be streamed to later.
    QString tempOutFile;
    QTemporaryFile* pVarsTempFile = new QTemporaryFile(QDir::tempPath() + QLatin1String("/XXXXXX.txt"));
    pVarsTempFile->setAutoRemove(false);
    pVarsTempFile->open();
    pVarsTempFile->close();
    tempOutFile = pVarsTempFile->fileName();
    delete pVarsTempFile;

    // Create a batch file to create and save the env settings
    Utils::TempFileSaver saver(QDir::tempPath() + QLatin1String("/XXXXXX.bat"));

    QByteArray call = "call ";
    call += Utils::QtcProcess::quoteArg(batchFile).toLocal8Bit();
    if (!batchArgs.isEmpty()) {
        call += ' ';
        call += batchArgs.toLocal8Bit();
    }
    saver.write(call + "\r\n");

    const QByteArray redirect = "set > " + Utils::QtcProcess::quoteArg(
                                    QDir::toNativeSeparators(tempOutFile)).toLocal8Bit() + "\r\n";
    saver.write(redirect);
    if (!saver.finalize()) {
        qWarning("%s: %s", Q_FUNC_INFO, qPrintable(saver.errorString()));
        return false;
    }

    Utils::QtcProcess run;
    // As of WinSDK 7.1, there is logic preventing the path from being set
    // correctly if "ORIGINALPATH" is already set. That can cause problems
    // if Creator is launched within a session set up by setenv.cmd.
    env.unset(QLatin1String("ORIGINALPATH"));
    run.setEnvironment(env);
    const QString cmdPath = QString::fromLocal8Bit(qgetenv("COMSPEC"));
    // Windows SDK setup scripts require command line switches for environment expansion.
    QString cmdArguments = QLatin1String(" /E:ON /V:ON /c \"");
    cmdArguments += QDir::toNativeSeparators(saver.fileName());
    cmdArguments += QLatin1Char('"');
    run.setCommand(cmdPath, cmdArguments);
    run.start();

    if (!run.waitForStarted()) {
        qWarning("%s: Unable to run '%s': %s", Q_FUNC_INFO, qPrintable(batchFile),
                 qPrintable(run.errorString()));
        return false;
    }
    if (!run.waitForFinished()) {
        qWarning("%s: Timeout running '%s'", Q_FUNC_INFO, qPrintable(batchFile));
        Utils::SynchronousProcess::stopProcess(run);
        return false;
    }
    // The SDK/MSVC scripts do not return exit codes != 0. Check on stdout.
    const QByteArray stdOut = run.readAllStandardOutput();
    if (!stdOut.isEmpty() && (stdOut.contains("Unknown") || stdOut.contains("Error")))
        qWarning("%s: '%s' reports:\n%s", Q_FUNC_INFO, call.constData(), stdOut.constData());

    //
    // Now parse the file to get the environment settings
    QFile varsFile(tempOutFile);
    if (!varsFile.open(QIODevice::ReadOnly))
        return false;

    QRegExp regexp(QLatin1String("(\\w*)=(.*)"));
    while (!varsFile.atEnd()) {
        const QString line = QString::fromLocal8Bit(varsFile.readLine()).trimmed();
        if (regexp.exactMatch(line)) {
            const QString varName = regexp.cap(1);
            const QString varValue = regexp.cap(2);

            if (!varValue.isEmpty())
                envPairs.insert(varName, varValue);
        }
    }

    // Tidy up and remove the file
    varsFile.close();
    varsFile.remove();

    return true;
}


#ifndef CDBEXT_PATH
#define CDBEXT_PATH ""
#endif

static void setupCdb(QString *makeBinary, QProcessEnvironment *environment)
{
    QByteArray envBat = qgetenv("QTC_MSVC_ENV_BAT");
    QMap <QString, QString> envPairs;
    Utils::Environment env = Utils::Environment::systemEnvironment();
    QVERIFY(generateEnvironmentSettings(env, QString::fromLatin1(envBat), QString(), envPairs));
    for (QMap<QString,QString>::const_iterator envIt = envPairs.begin(); envIt != envPairs.end(); ++envIt)
            env.set(envIt.key(), envIt.value());
    const QByteArray cdbextPath = CDBEXT_PATH "\\qtcreatorcdbext64";
    QVERIFY(QFile::exists(QString::fromLatin1(cdbextPath + QByteArray("\\qtcreatorcdbext.dll"))));
    env.appendOrSet(QLatin1String("_NT_DEBUGGER_EXTENSION_PATH"),
                         QString::fromLatin1(cdbextPath),
                         QLatin1String(";"));
    *makeBinary = env.searchInPath(QLatin1String("nmake.exe"));
    *environment = env.toProcessEnvironment();
}

#else

static void setupCdb(QString *, QProcessEnvironment *) {}

#endif // Q_CC_MSVC


static QByteArray noValue = "\001";

static QString toHex(const QString &str)
{
    QString encoded;
    foreach (const QChar c, str) {
        encoded += QString::fromLatin1("%1")
            .arg(c.unicode(), 2, 16, QLatin1Char('0'));
    }
    return encoded;
}

struct Context
{
    Context() : qtVersion(0), gccVersion(0) {}

    QByteArray nameSpace;
    int qtVersion;
    int gccVersion;
};

struct Name
{
    Name() : name(noValue) {}
    Name(const char *str) : name(str) {}
    Name(const QByteArray &ba) : name(ba) {}

    bool matches(const QByteArray &actualName0, const Context &context) const
    {
        QByteArray actualName = actualName0;
        QByteArray expectedName = name;
        expectedName.replace("@Q", context.nameSpace + 'Q');
        return actualName == expectedName;
    }

    QByteArray name;
};

static Name nameFromIName(const QByteArray &iname)
{
    int pos = iname.lastIndexOf('.');
    return Name(pos == -1 ? iname : iname.mid(pos + 1));
}

static QByteArray parentIName(const QByteArray &iname)
{
    int pos = iname.lastIndexOf('.');
    return pos == -1 ? QByteArray() : iname.left(pos);
}

struct ValueBase
{
    ValueBase()
      : hasPtrSuffix(false), isFloatValue(false), substituteNamespace(true),
        qtVersion(0), minimalGccVersion(0)
    {}

    bool hasPtrSuffix;
    bool isFloatValue;
    bool substituteNamespace;
    int qtVersion;
    int minimalGccVersion;
};

struct Value : public ValueBase
{
    Value() : value(QString::fromLatin1(noValue)) {}
    Value(const char *str) : value(QLatin1String(str)) {}
    Value(const QByteArray &ba) : value(QString::fromLatin1(ba.data(), ba.size())) {}
    Value(const QString &str) : value(str) {}

    bool matches(const QString &actualValue0, const Context &context) const
    {
        if (value == QString::fromLatin1(noValue))
            return true;

        if (context.qtVersion) {
            if (qtVersion == 4) {
                if (context.qtVersion < 0x40000 || context.qtVersion >= 0x50000) {
                    //QWARN("Qt 4 specific case skipped");
                    return true;
                }
            } else if (qtVersion == 5) {
                if (context.qtVersion < 0x50000 || context.qtVersion >= 0x60000) {
                    //QWARN("Qt 5 specific case skipped");
                    return true;
                }
            }
        }
        if (minimalGccVersion && context.gccVersion) {
            if (minimalGccVersion >= context.gccVersion) {
                //QWARN("Current GCC is too old for this test.")
                return true;
            }
        }
        QString actualValue = actualValue0;
        if (actualValue == QLatin1String(" "))
            actualValue.clear(); // FIXME: Remove later.
        QString expectedValue = value;
        if (substituteNamespace)
            expectedValue.replace(QLatin1Char('@'), QString::fromLatin1(context.nameSpace));

        if (hasPtrSuffix)
            return actualValue.startsWith(expectedValue + QLatin1String(" @0x"))
                || actualValue.startsWith(expectedValue + QLatin1String("@0x"));

        if (isFloatValue) {
            double f1 = fabs(expectedValue.toDouble());
            double f2 = fabs(actualValue.toDouble());
            //qDebug() << "expected float: " << qPrintable(expectedValue) << f1;
            //qDebug() << "actual   float: " << qPrintable(actualValue) << f2;
            if (f1 < f2)
                std::swap(f1, f2);
            return f1 - f2 <= 0.01 * f2;
        }


        return actualValue == expectedValue;
    }

    void setMinimalGccVersion(int version) { minimalGccVersion = version; }

    QString value;
};

struct Pointer : Value
{
    Pointer() { hasPtrSuffix = true; }
    Pointer(const QByteArray &value) : Value(value) { hasPtrSuffix = true; }
};

struct FloatValue : Value
{
    FloatValue() { isFloatValue = true; }
    FloatValue(const QByteArray &value) : Value(value) { isFloatValue = true; }
};

struct Value4 : Value
{
    Value4(const QByteArray &value) : Value(value) { qtVersion = 4; }
};

struct Value5 : Value
{
    Value5(const QByteArray &value) : Value(value) { qtVersion = 5; }
};

struct UnsubstitutedValue : Value
{
    UnsubstitutedValue(const QByteArray &value) : Value(value) { substituteNamespace = false; }
};

struct Type
{
    Type() : qtVersion(0), isPattern(false) {}
    Type(const char *str) : type(str), qtVersion(0), isPattern(false) {}
    Type(const QByteArray &ba) : type(ba), qtVersion(0), isPattern(false) {}

    bool matches(const QByteArray &actualType0, const Context &context) const
    {
        if (context.qtVersion) {
            if (qtVersion == 4) {
                if (context.qtVersion < 0x40000 || context.qtVersion >= 0x50000) {
                    //QWARN("Qt 4 specific case skipped");
                    return true;
                }
            } else if (qtVersion == 5) {
                if (context.qtVersion < 0x50000 || context.qtVersion >= 0x60000) {
                    //QWARN("Qt 5 specific case skipped");
                    return true;
                }
            }
        }
        QByteArray actualType =
            simplifyType(QString::fromLatin1(actualType0)).toLatin1();
        actualType.replace(' ', "");
        actualType.replace("const", "");
        QByteArray expectedType = type;
        expectedType.replace(' ', "");
        expectedType.replace("const", "");
        expectedType.replace('@', context.nameSpace);
        if (isPattern) {
            QString actual = QString::fromLatin1(actualType);
            QString expected = QString::fromLatin1(expectedType);
            return QRegExp(expected).exactMatch(actual);
        }
        return actualType == expectedType;
    }
    QByteArray type;
    int qtVersion;
    bool isPattern;
};

struct Type4 : Type
{
    Type4(const QByteArray &ba) : Type(ba) { qtVersion = 4; }
};

struct Type5 : Type
{
    Type5(const QByteArray &ba) : Type(ba) { qtVersion = 5; }
};

struct Pattern : Type
{
    Pattern(const QByteArray &ba) : Type(ba) { isPattern = true; }
};

enum DebuggerEngine
{
    GdbEngine = 0x01,
    CdbEngine = 0x02,
    LldbEngine = 0x04,

    AllEngines = GdbEngine | CdbEngine | LldbEngine,

    NoCdbEngine = AllEngines & (~CdbEngine),
    NoLldbEngine = AllEngines & (~LldbEngine),
    NoGdbEngine = AllEngines & (~GdbEngine)
};

struct CheckBase
{
    CheckBase() : enginesForCheck(AllEngines) {}
    mutable int enginesForCheck;
};

struct Check : CheckBase
{
    Check() {}

    Check(const QByteArray &iname, const Value &value, const Type &type)
        : iname(iname), expectedName(nameFromIName(iname)),
          expectedValue(value), expectedType(type)
    {}

    Check(const QByteArray &iname, const Name &name,
         const Value &value, const Type &type)
        : iname(iname), expectedName(name),
          expectedValue(value), expectedType(type)
    {}

    bool matchesEngine(DebuggerEngine engine) const
    {
        return (engine & enginesForCheck);
    }

    const Check &setEngines(int debuggerEngine)
    {
        enginesForCheck = debuggerEngine;
        return *this;
    }

    const Check &setForLldbOnly() const
    {
        enginesForCheck = LldbEngine;
        return *this;
    }

    const Check &setForGdbOnly() const
    {
        enginesForCheck = GdbEngine;
        return *this;
    }

    const Check &setForCdbOnly()
    {
        enginesForCheck = CdbEngine;
        return *this;
    }

    QByteArray iname;
    Name expectedName;
    Value expectedValue;
    Type expectedType;
};

struct CheckType : public Check
{
    CheckType(const QByteArray &iname, const Name &name,
         const Type &type)
        : Check(iname, name, noValue, type)
    {}

    CheckType(const QByteArray &iname, const Type &type)
        : Check(iname, noValue, type)
    {}
};

struct Profile
{
    Profile(const QByteArray &contents) : contents(contents) {}

    QByteArray contents;
};


struct Cxx11Profile : public Profile
{
    Cxx11Profile()
      : Profile("greaterThan(QT_MAJOR_VERSION,4): CONFIG += c++11\n"
                "else: QMAKE_CXXFLAGS += -std=c++0x\n")
    {}
};

struct BoostProfile : public Profile
{
    BoostProfile()
      : Profile("macx:INCLUDEPATH += /usr/local/include")
    {}
};

struct MacLibCppProfile : public Profile
{
    MacLibCppProfile()
      : Profile("macx {\n"
                "QMAKE_CXXFLAGS += -stdlib=libc++\n"
                "LIBS += -stdlib=libc++\n"
                "QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.7\n"
                "QMAKE_IOS_DEPLOYMENT_TARGET = 10.7\n"
                "QMAKE_CFLAGS -= -mmacosx-version-min=10.6\n"
                "QMAKE_CFLAGS += -mmacosx-version-min=10.7\n"
                "QMAKE_CXXFLAGS -= -mmacosx-version-min=10.6\n"
                "QMAKE_CXXFLAGS += -mmacosx-version-min=10.7\n"
                "QMAKE_OBJECTIVE_CFLAGS -= -mmacosx-version-min=10.6\n"
                "QMAKE_OBJECTIVE_CFLAGS += -mmacosx-version-min=10.7\n"
                "QMAKE_LFLAGS -= -mmacosx-version-min=10.6\n"
                "QMAKE_LFLAGS += -mmacosx-version-min=10.7\n"
                "}")
    {}
};

struct VersionBase
{
    // Minimum and maximum are inclusive.
    VersionBase(int minimum = 0, int maximum = INT_MAX)
    {
        isRestricted = minimum != 0 || maximum != INT_MAX;
        max = maximum;
        min = minimum;
    }

    bool isRestricted;
    int min;
    int max;
};

struct QtVersion : VersionBase
{
    QtVersion(int minimum = 0, int maximum = INT_MAX)
        : VersionBase(minimum, maximum)
    {}
};

struct GccVersion : VersionBase
{
    GccVersion(int minimum = 0, int maximum = INT_MAX)
        : VersionBase(minimum, maximum)
    {}
};

struct GdbVersion : VersionBase
{
    GdbVersion(int minimum = 0, int maximum = INT_MAX)
        : VersionBase(minimum, maximum)
    {}
};

struct LldbVersion : VersionBase
{
    LldbVersion(int minimum = 0, int maximum = INT_MAX)
        : VersionBase(minimum, maximum)
    {}
};

struct ForceC {};
struct EigenProfile {};
struct UseDebugImage {};

struct CoreProfile {};
struct CorePrivateProfile {};
struct GuiProfile {};
struct NetworkProfile {};

struct DataBase
{
    DataBase()
      : useQt(false), useQHash(false),
        forceC(false), engines(GdbEngine | CdbEngine | LldbEngine),
        glibcxxDebug(false), useDebugImage(false)
    {}

    mutable bool useQt;
    mutable bool useQHash;
    mutable bool forceC;
    mutable int engines;
    mutable bool glibcxxDebug;
    mutable bool useDebugImage;
    mutable GdbVersion neededGdbVersion;
    mutable LldbVersion neededLldbVersion;
    mutable QtVersion neededQtVersion;
    mutable GccVersion neededGccVersion;
};

class Data : public DataBase
{
public:
    Data() {}
    Data(const QByteArray &code) : code(code) {}

    Data(const QByteArray &includes, const QByteArray &code)
        : includes(includes), code(code)
    {}

    const Data &operator%(const Check &check) const
    {
        checks.append(check);
        return *this;
    }

    const Data &operator%(const Profile &profile) const
    {
        profileExtra += profile.contents;
        return *this;
    }

    const Data &operator%(const QtVersion &qtVersion) const
    {
        neededQtVersion = qtVersion;
        return *this;
    }

    const Data &operator%(const GccVersion &gccVersion) const
    {
        neededGccVersion = gccVersion;
        return *this;
    }

    const Data &operator%(const GdbVersion &gdbVersion) const
    {
        neededGdbVersion = gdbVersion;
        return *this;
    }

    const Data &operator%(const LldbVersion &lldbVersion) const
    {
        neededLldbVersion = lldbVersion;
        return *this;
    }

    const Data &operator%(const DebuggerEngine &enginesForTest) const
    {
        engines = enginesForTest;
        return *this;
    }

    const Data &operator%(const EigenProfile &) const
    {
        profileExtra +=
            "INCLUDEPATH += /usr/include/eigen2\n"
            "INCLUDEPATH += /usr/include/eigen3\n";

        return *this;
    }

    const Data &operator%(const UseDebugImage &) const
    {
        useDebugImage = true;
        return *this;
    }

    const Data &operator%(const CoreProfile &) const
    {
        profileExtra +=
            "CONFIG += QT\n"
            "QT += core\n";

        useQt = true;
        useQHash = true;

        return *this;
    }

    const Data &operator%(const NetworkProfile &) const
    {
        profileExtra +=
            "CONFIG += QT\n"
            "QT += core network\n";

        useQt = true;
        useQHash = true;

        return *this;
    }

    const Data &operator%(const GuiProfile &) const
    {
        this->operator%(CoreProfile());
        profileExtra +=
            "QT += gui\n"
            "greaterThan(QT_MAJOR_VERSION, 4):QT *= widgets\n";

        return *this;
    }

    const Data &operator%(const CorePrivateProfile &) const
    {
        this->operator%(CoreProfile());
        profileExtra +=
            "greaterThan(QT_MAJOR_VERSION, 4) {\n"
            "  QT += core-private\n"
            "  CONFIG += no_private_qt_headers_warning\n"
            "}";

        return *this;
    }

    const Data &operator%(const ForceC &) const
    {
        forceC = true;
        return *this;
    }

public:
    mutable QByteArray profileExtra;
    mutable QByteArray includes;
    mutable QByteArray code;
    mutable QList<Check> checks;
};

struct TempStuff
{
    TempStuff() : buildTemp(QLatin1String("qt_tst_dumpers_"))
    {
        buildPath = QDir::currentPath() + QLatin1Char('/')  + buildTemp.path();
        buildTemp.setAutoRemove(false);
        QVERIFY(!buildPath.isEmpty());
    }

    QByteArray input;
    QTemporaryDir buildTemp;
    QString buildPath;
};

Q_DECLARE_METATYPE(Data)

class tst_Dumpers : public QObject
{
    Q_OBJECT

public:
    tst_Dumpers()
    {
        t = 0;
        m_keepTemp = true;
        m_forceKeepTemp = false;
        m_gdbVersion = 0;
        m_gdbBuildVersion = 0;
        m_lldbVersion = 0;
        m_qtVersion = 0;
        m_gccVersion = 0;
        m_isMacGdb = false;
        m_isQnxGdb = false;
        m_useGLibCxxDebug = false;
    }

private slots:
    void initTestCase();
    void dumper();
    void dumper_data();
    void init();
    void cleanup();

private:
    void disarm() { t->buildTemp.setAutoRemove(!keepTemp()); }
    bool keepTemp() const { return m_keepTemp || m_forceKeepTemp; }
    TempStuff *t;
    QByteArray m_debuggerBinary;
    QByteArray m_qmakeBinary;
    QProcessEnvironment m_env;
    DebuggerEngine m_debuggerEngine;
    QString m_makeBinary;
    bool m_keepTemp;
    bool m_forceKeepTemp;
    int m_gdbVersion; // 7.5.1 -> 70501
    int m_gdbBuildVersion;
    int m_lldbVersion;
    int m_qtVersion; // 5.2.0 -> 50200
    int m_gccVersion;
    bool m_isMacGdb;
    bool m_isQnxGdb;
    bool m_useGLibCxxDebug;
};

void tst_Dumpers::initTestCase()
{
    m_debuggerBinary = qgetenv("QTC_DEBUGGER_PATH_FOR_TEST");
    if (m_debuggerBinary.isEmpty())
        m_debuggerBinary = "gdb";
    qDebug() << "Debugger           : " << m_debuggerBinary.constData();

    m_debuggerEngine = GdbEngine;
    if (m_debuggerBinary.endsWith("cdb.exe"))
        m_debuggerEngine = CdbEngine;

    QString base = QFileInfo(QString::fromLatin1(m_debuggerBinary)).baseName();
    if (base.startsWith(QLatin1String("lldb")))
        m_debuggerEngine = LldbEngine;

    m_qmakeBinary = qgetenv("QTC_QMAKE_PATH_FOR_TEST");
    if (m_qmakeBinary.isEmpty())
        m_qmakeBinary = "qmake";
    qDebug() << "QMake              : " << m_qmakeBinary.constData();

    m_useGLibCxxDebug = qgetenv("QTC_USE_GLIBCXXDEBUG_FOR_TEST").toInt();
    qDebug() << "Use _GLIBCXX_DEBUG : " << m_useGLibCxxDebug;

    m_forceKeepTemp = qgetenv("QTC_KEEP_TEMP_FOR_TEST").toInt();
    qDebug() << "Force keep temp    : " << m_forceKeepTemp;

    if (m_debuggerEngine == GdbEngine) {
        QProcess debugger;
        debugger.start(QString::fromLatin1(m_debuggerBinary)
                       + QLatin1String(" -i mi -quiet -nx"));
        bool ok = debugger.waitForStarted();
        debugger.write("set confirm off\npython print 43\nshow version\nquit\n");
        ok = debugger.waitForFinished();
        QVERIFY(ok);
        QByteArray output = debugger.readAllStandardOutput();
        //qDebug() << "stdout: " << output;
        bool usePython = !output.contains("Python scripting is not supported in this copy of GDB");
        qDebug() << "Python             : " << (usePython ? "ok" : "*** not ok ***");
        qDebug() << "Dumper dir         : " << DUMPERDIR;
        QVERIFY(usePython);

        QString version = QString::fromLocal8Bit(output);
        int pos1 = version.indexOf(QLatin1String("&\"show version\\n"));
        QVERIFY(pos1 != -1);
        pos1 += 20;
        int pos2 = version.indexOf(QLatin1String("~\"Copyright (C) "), pos1);
        QVERIFY(pos2 != -1);
        pos2 -= 4;
        version = version.mid(pos1, pos2 - pos1);
        extractGdbVersion(version, &m_gdbVersion,
            &m_gdbBuildVersion, &m_isMacGdb, &m_isQnxGdb);
        m_env = QProcessEnvironment::systemEnvironment();
        m_makeBinary = QLatin1String("make");
        qDebug() << "Gdb version        : " << m_gdbVersion;
    } else if (m_debuggerEngine == CdbEngine) {
        setupCdb(&m_makeBinary, &m_env);
    } else if (m_debuggerEngine == LldbEngine) {
        QProcess debugger;
        QString cmd = QString::fromUtf8(m_debuggerBinary + " -v");
        debugger.start(cmd);
        bool ok = debugger.waitForFinished(2000);
        QVERIFY(ok);
        QByteArray output = debugger.readAllStandardOutput();
        output += debugger.readAllStandardError();
        output = output.trimmed();
        // Should be something like "LLDB-178" (Mac OS X 10.8)
        // or "lldb version 3.5 ( revision )" (Ubuntu 13.10)
        QByteArray ba = output.mid(output.indexOf('-') + 1);
        int pos = ba.indexOf('.');
        if (pos >= 0)
            ba = ba.left(pos);
        m_lldbVersion = ba.toInt();
        if (!m_lldbVersion) {
            if (output.startsWith("lldb version")) {
                int pos1 = output.indexOf('.', 13);
                int major = output.mid(13, pos1++ - 13).toInt();
                int pos2 = output.indexOf(' ', pos1);
                int minor = output.mid(pos1, pos2++ - pos1).toInt();
                m_lldbVersion = 100 * major + 10 * minor;
            }
        }

        qDebug() << "Lldb version       :" << output << ba << m_lldbVersion;
        QVERIFY(m_lldbVersion);

        m_env = QProcessEnvironment::systemEnvironment();
        m_makeBinary = QLatin1String("make");
    }
}

void tst_Dumpers::init()
{
    t = new TempStuff();
}

void tst_Dumpers::cleanup()
{
    if (!t->buildTemp.autoRemove()) {
        QFile logger(t->buildPath + QLatin1String("/input.txt"));
        logger.open(QIODevice::ReadWrite);
        logger.write(t->input);
    }
    delete t;
}

void tst_Dumpers::dumper()
{
    QFETCH(Data, data);

    if (!(data.engines & m_debuggerEngine))
        MSKIP_SINGLE("The test is excluded for this debugger engine.");

    if (data.neededGdbVersion.isRestricted && m_debuggerEngine == GdbEngine) {
        if (data.neededGdbVersion.min > m_gdbVersion)
            MSKIP_SINGLE("Need minimum GDB version "
                + QByteArray::number(data.neededGdbVersion.min));
        if (data.neededGdbVersion.max < m_gdbVersion)
            MSKIP_SINGLE("Need maximum GDB version "
                + QByteArray::number(data.neededGdbVersion.max));
    }

    if (data.neededLldbVersion.isRestricted && m_debuggerEngine == LldbEngine) {
        if (data.neededLldbVersion.min > m_lldbVersion)
            MSKIP_SINGLE("Need minimum LLDB version "
                + QByteArray::number(data.neededLldbVersion.min));
        if (data.neededLldbVersion.max < m_lldbVersion)
            MSKIP_SINGLE("Need maximum LLDB version "
                + QByteArray::number(data.neededLldbVersion.max));
    }

    QString cmd;
    QByteArray output;
    QByteArray error;

    if (data.neededQtVersion.isRestricted) {
        QProcess qmake;
        qmake.setWorkingDirectory(t->buildPath);
        cmd = QString::fromLatin1(m_qmakeBinary);
        qmake.start(cmd, QStringList(QLatin1String("--version")));
        QVERIFY(qmake.waitForFinished());
        output = qmake.readAllStandardOutput();
        error = qmake.readAllStandardError();
        int pos0 = output.indexOf("Qt version");
        if (pos0 == -1) {
            qDebug() << "Output: " << output;
            qDebug() << "Error: " << error;
            QVERIFY(false);
        }
        pos0 += 11;
        int pos1 = output.indexOf('.', pos0 + 1);
        int major = output.mid(pos0, pos1++ - pos0).toInt();
        int pos2 = output.indexOf('.', pos1 + 1);
        int minor = output.mid(pos1, pos2++ - pos1).toInt();
        int pos3 = output.indexOf(' ', pos2 + 1);
        int patch = output.mid(pos2, pos3++ - pos2).toInt();
        m_qtVersion = 10000 * major + 100 * minor + patch;

        if (data.neededQtVersion.min > m_qtVersion)
            MSKIP_SINGLE("Need minimum Qt version "
                + QByteArray::number(data.neededQtVersion.min));
        if (data.neededQtVersion.max < m_qtVersion)
            MSKIP_SINGLE("Need maximum Qt version "
                + QByteArray::number(data.neededQtVersion.max));
    }

    if (data.neededGccVersion.isRestricted) {
        QProcess gcc;
        gcc.setWorkingDirectory(t->buildPath);
        cmd = QLatin1String("gcc");
        gcc.start(cmd, QStringList(QLatin1String("--version")));
        QVERIFY(gcc.waitForFinished());
        output = gcc.readAllStandardOutput();
        error = gcc.readAllStandardError();
        int pos = output.indexOf('\n');
        if (pos != -1)
            output = output.left(pos);
        qDebug() << "Extracting GCC version from: " << output;
        pos = output.lastIndexOf(' ');
        output = output.mid(pos + 1);
        int pos1 = output.indexOf('.');
        int major = output.left(pos1++).toInt();
        int pos2 = output.indexOf('.', pos1 + 1);
        int minor = output.mid(pos1, pos2++ - pos1).toInt();
        int patch = output.mid(pos2).toInt();
        m_gccVersion = 10000 * major + 100 * minor + patch;
        qDebug() << "GCC version: " << m_gccVersion;

        if (data.neededGccVersion.min > m_gccVersion)
            MSKIP_SINGLE("Need minimum GCC version "
                + QByteArray::number(data.neededGccVersion.min));
        if (data.neededGccVersion.max < m_gccVersion)
            MSKIP_SINGLE("Need maximum GCC version "
                + QByteArray::number(data.neededGccVersion.max));
    }

    const char *mainFile = data.forceC ? "main.c" : "main.cpp";

    QFile proFile(t->buildPath + QLatin1String("/doit.pro"));
    QVERIFY(proFile.open(QIODevice::ReadWrite));
    proFile.write("SOURCES = ");
    proFile.write(mainFile);
    proFile.write("\nTARGET = doit\n");
    proFile.write("\nCONFIG -= app_bundle\n");
    proFile.write("\nCONFIG -= release\n");
    proFile.write("\nCONFIG += debug\n");
    if (data.useQt)
        proFile.write("QT -= widgets gui\n");
    else
        proFile.write("CONFIG -= QT\n");
    if (m_useGLibCxxDebug)
        proFile.write("DEFINES += _GLIBCXX_DEBUG\n");
    if (m_gdbVersion < 70500)
        proFile.write("QMAKE_CXXFLAGS += -gdwarf-3\n");
    proFile.write(data.profileExtra);
    proFile.close();

    QFile source(t->buildPath + QLatin1Char('/') + QLatin1String(mainFile));
    QVERIFY(source.open(QIODevice::ReadWrite));
    QByteArray fullCode = QByteArray() +
            "\n\nvoid unused(const void *first,...) { (void) first; }"
            "\n\n#if defined(_MSC_VER)" + (data.useQt ?
                "\n#include <qt_windows.h>" :
                "\n#include <Windows.h>") +
            "\n#define BREAK do { DebugBreak(); } while (0)"
            "\n#else"
            "\n#define BREAK do { asm(\"int $3\"); } while (0)"
            "\n#endif"
            "\n"
            "\n\n" + data.includes +
            "\n\n" + (data.useQHash ?
                "\n#include <QByteArray>"
                "\n#if QT_VERSION >= 0x050000"
                "\nQT_BEGIN_NAMESPACE"
                "\nQ_CORE_EXPORT extern QBasicAtomicInt qt_qhash_seed; // from qhash.cpp"
                "\nQT_END_NAMESPACE"
                "\n#endif" : "") +
            "\n\nint main(int argc, char *argv[])"
            "\n{"
            "\n    int qtversion = " + (data.useQt ? "QT_VERSION" : "0") + ";"
            "\n#ifdef __GNUC__"
            "\n    int gccversion = 0x10000 * __GNUC__ + 0x100 * __GNUC_MINOR__;"
            "\n#else"
            "\n    int gccversion = 0;"
            "\n#endif"
            "\n" + (data.useQHash ?
                "\n#if QT_VERSION >= 0x050000"
                "\nqt_qhash_seed.store(0);"
                "\n#endif\n" : "") +
            "\n    unused(&argc, &argv, &qtversion, &gccversion);\n"
            "\n" + data.code +
            "\n    BREAK;"
            "\n    return 0;"
            "\n}\n";
    source.write(fullCode);
    source.close();

    QProcess qmake;
    qmake.setWorkingDirectory(t->buildPath);
    cmd = QString::fromLatin1(m_qmakeBinary);
    //qDebug() << "Starting qmake: " << cmd;
    qmake.start(cmd);
    QVERIFY(qmake.waitForFinished());
    output = qmake.readAllStandardOutput();
    error = qmake.readAllStandardError();
    //qDebug() << "stdout: " << output;
    if (!error.isEmpty()) { qDebug() << error; QVERIFY(false); }

    QProcess make;
    make.setWorkingDirectory(t->buildPath);
    make.setProcessEnvironment(m_env);

    make.start(m_makeBinary, QStringList());