debuggerrunner.cpp 28.1 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** 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.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "debuggerrunner.h"
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#include "debuggerruncontrolfactory.h"
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#include "debuggeractions.h"
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#include "debuggerinternalconstants.h"
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#include "debuggercore.h"
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#include "debuggerengine.h"
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#include "debuggermainwindow.h"
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#include "debuggerplugin.h"
#include "debuggerstringutils.h"
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#include "debuggerstartparameters.h"
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#include "lldb/lldbenginehost.h"
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#include "debuggertooltipmanager.h"
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#include "qml/qmlengine.h"
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#ifdef Q_OS_WIN
#  include "peutils.h"
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#  include <utils/winutils.h>
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#endif

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#include <projectexplorer/abi.h>
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#include <projectexplorer/debugginghelper.h>
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#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorerconstants.h>
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#include <projectexplorer/target.h>
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#include <projectexplorer/buildconfiguration.h>
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#include <projectexplorer/toolchain.h>
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#include <projectexplorer/applicationrunconfiguration.h> // For LocalApplication*
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#include <utils/outputformat.h>
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#include <utils/synchronousprocess.h>
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#include <utils/qtcassert.h>
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#include <utils/fancymainwindow.h>
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#include <utils/qtcprocess.h>
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#include <coreplugin/icore.h>
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#include <utils/buildablehelperlibrary.h>
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#include <QtCore/QDir>
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#include <QtCore/QDebug>
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#include <QtGui/QMessageBox>
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#include <QtGui/QErrorMessage>
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using namespace ProjectExplorer;
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using namespace Debugger::Internal;

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enum { debug = 0 };

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namespace Debugger {
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namespace Internal {
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bool isCdbEngineEnabled(); // Check the configuration page
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bool checkCdbConfiguration(const DebuggerStartParameters &sp, ConfigurationCheck *check);
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DebuggerEngine *createCdbEngine(const DebuggerStartParameters &sp,
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    DebuggerEngine *masterEngine, QString *error);
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bool checkGdbConfiguration(const DebuggerStartParameters &sp, ConfigurationCheck *check);
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DebuggerEngine *createGdbEngine(const DebuggerStartParameters &sp,
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    DebuggerEngine *masterEngine);
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DebuggerEngine *createScriptEngine(const DebuggerStartParameters &sp);
DebuggerEngine *createPdbEngine(const DebuggerStartParameters &sp);
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QmlEngine *createQmlEngine(const DebuggerStartParameters &sp,
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    DebuggerEngine *masterEngine);
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DebuggerEngine *createQmlCppEngine(const DebuggerStartParameters &sp,
                                   DebuggerEngineType slaveEngineType,
                                   QString *errorMessage);
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DebuggerEngine *createLldbEngine(const DebuggerStartParameters &sp);
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extern QString msgNoBinaryForToolChain(const Abi &abi);
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static const char *engineTypeName(DebuggerEngineType et)
{
    switch (et) {
    case Debugger::NoEngineType:
        break;
    case Debugger::GdbEngineType:
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        return "Gdb engine";
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    case Debugger::ScriptEngineType:
        return "Script engine";
    case Debugger::CdbEngineType:
        return "Cdb engine";
    case Debugger::PdbEngineType:
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        return "Pdb engine";
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    case Debugger::QmlEngineType:
        return "QML engine";
    case Debugger::QmlCppEngineType:
        return "QML C++ engine";
    case Debugger::LldbEngineType:
        return "LLDB engine";
    case Debugger::AllEngineTypes:
        break;
    }
    return "No engine";
}

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static inline QString engineTypeNames(const QList<DebuggerEngineType> &l)
{
    QString rc;
    foreach (DebuggerEngineType et, l) {
        if (!rc.isEmpty())
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            rc.append(QLatin1String(", "));
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        rc += QLatin1String(engineTypeName(et));
    }
    return rc;
}

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static QString msgEngineNotAvailable(const char *engine)
{
    return DebuggerPlugin::tr("The application requires the debugger engine '%1', "
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        "which is disabled.").arg(_(engine));
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}

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static inline QString msgEngineNotAvailable(DebuggerEngineType et)
{
    return msgEngineNotAvailable(engineTypeName(et));
}

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////////////////////////////////////////////////////////////////////////
//
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// DebuggerRunControlPrivate
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//
////////////////////////////////////////////////////////////////////////

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class DebuggerRunControlPrivate
{
public:
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    explicit DebuggerRunControlPrivate(DebuggerRunControl *parent,
                                       RunConfiguration *runConfiguration);
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    DebuggerEngineType engineForExecutable(unsigned enabledEngineTypes,
        const QString &executable);
    DebuggerEngineType engineForMode(unsigned enabledEngineTypes,
        DebuggerStartMode mode);

public:
    DebuggerRunControl *q;
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    DebuggerEngine *m_engine;
    const QWeakPointer<RunConfiguration> m_myRunConfiguration;
    bool m_running;
};

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DebuggerRunControlPrivate::DebuggerRunControlPrivate(DebuggerRunControl *parent,
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                                                     RunConfiguration *runConfiguration)
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    : q(parent)
    , m_engine(0)
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    , m_myRunConfiguration(runConfiguration)
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    , m_running(false)
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{
}
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} // namespace Internal

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DebuggerRunControl::DebuggerRunControl(RunConfiguration *runConfiguration,
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                                       const DebuggerStartParameters &sp,
                                       const QPair<DebuggerEngineType, DebuggerEngineType> &masterSlaveEngineTypes)
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    : RunControl(runConfiguration, Constants::DEBUGMODE),
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      d(new DebuggerRunControlPrivate(this, runConfiguration))
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{
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    connect(this, SIGNAL(finished()), SLOT(handleFinished()));
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    // Create the engine. Could arguably be moved to the factory, but
    // we still have a derived S60DebugControl. Should rarely fail, though.
    QString errorMessage;
    d->m_engine = masterSlaveEngineTypes.first == QmlCppEngineType ?
            createQmlCppEngine(sp, masterSlaveEngineTypes.second, &errorMessage) :
            DebuggerRunControlFactory::createEngine(masterSlaveEngineTypes.first, sp,
                                                    0, &errorMessage);
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    if (d->m_engine) {
        DebuggerToolTipManager::instance()->registerEngine(d->m_engine);
    } else {
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        debuggingFinished();
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        Core::ICore::instance()->showWarningWithOptions(DebuggerRunControl::tr("Debugger"), errorMessage);
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    }
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}

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DebuggerRunControl::~DebuggerRunControl()
{
    disconnect();
    if (DebuggerEngine *engine = d->m_engine) {
        d->m_engine = 0;
        engine->disconnect();
        delete engine;
    }
}

const DebuggerStartParameters &DebuggerRunControl::startParameters() const
{
    QTC_ASSERT(d->m_engine, return *(new DebuggerStartParameters()));
    return d->m_engine->startParameters();
}

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QString DebuggerRunControl::displayName() const
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{
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    QTC_ASSERT(d->m_engine, return QString());
    return d->m_engine->startParameters().displayName;
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}

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QIcon DebuggerRunControl::icon() const
{
    return QIcon(ProjectExplorer::Constants::ICON_DEBUG_SMALL);
}

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void DebuggerRunControl::setCustomEnvironment(Utils::Environment env)
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{
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    QTC_ASSERT(d->m_engine, return);
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    d->m_engine->startParameters().environment = env;
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}

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void DebuggerRunControl::start()
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{
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    QTC_ASSERT(d->m_engine, return);
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    // User canceled input dialog asking for executable when working on library project.
    if (d->m_engine->startParameters().startMode == StartInternal
        && d->m_engine->startParameters().executable.isEmpty()) {
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        appendMessage(tr("No executable specified.\n"), Utils::ErrorMessageFormat);
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        emit started();
        emit finished();
        return;
    }

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    if (d->m_engine->startParameters().startMode == StartInternal) {
        foreach (const BreakpointModelId &id, debuggerCore()->breakHandler()->allBreakpointIds()) {
            if (d->m_engine->breakHandler()->breakpointData(id).enabled
                    && !d->m_engine->acceptsBreakpoint(id)) {

                QString warningMessage =
                        DebuggerPlugin::tr("Some breakpoints cannot be handled by the debugger "
                                           "languages currently active, and will be ignored.");

                debuggerCore()->showMessage(warningMessage, LogWarning);

                QErrorMessage *msgBox = new QErrorMessage(debuggerCore()->mainWindow());
                msgBox->setAttribute(Qt::WA_DeleteOnClose);
                msgBox->showMessage(warningMessage);
                break;
            }
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        }
    }

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    debuggerCore()->runControlStarted(d->m_engine);
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    // We might get a synchronous startFailed() notification on Windows,
    // when launching the process fails. Emit a proper finished() sequence.
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    emit started();
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    d->m_running = true;

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    d->m_engine->startDebugger(this);
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    if (d->m_running)
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        appendMessage(tr("Debugging starts\n"), Utils::NormalMessageFormat);
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}

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void DebuggerRunControl::startFailed()
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{
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    appendMessage(tr("Debugging has failed\n"), Utils::NormalMessageFormat);
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    d->m_running = false;
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    emit finished();
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    d->m_engine->handleStartFailed();
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}

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void DebuggerRunControl::handleFinished()
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{
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    appendMessage(tr("Debugging has finished\n"), Utils::NormalMessageFormat);
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    if (d->m_engine)
        d->m_engine->handleFinished();
    debuggerCore()->runControlFinished(d->m_engine);
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}

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void DebuggerRunControl::showMessage(const QString &msg, int channel)
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{
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    switch (channel) {
        case AppOutput:
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            appendMessage(msg, Utils::StdOutFormatSameLine);
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            break;
        case AppError:
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            appendMessage(msg, Utils::StdErrFormatSameLine);
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            break;
        case AppStuff:
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            appendMessage(msg, Utils::DebugFormat);
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            break;
    }
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}

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bool DebuggerRunControl::promptToStop(bool *optionalPrompt) const
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{
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    QTC_ASSERT(isRunning(), return true;)

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    if (optionalPrompt && !*optionalPrompt)
        return true;

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    const QString question = tr("A debugging session is still in progress. "
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            "Terminating the session in the current"
            " state can leave the target in an inconsistent state."
            " Would you still like to terminate it?");
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    return showPromptToStopDialog(tr("Close Debugging Session"), question,
                                  QString(), QString(), optionalPrompt);
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}

RunControl::StopResult DebuggerRunControl::stop()
{
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    QTC_ASSERT(d->m_engine, return StoppedSynchronously);
    d->m_engine->quitDebugger();
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    return AsynchronousStop;
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}

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void DebuggerRunControl::debuggingFinished()
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{
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    d->m_running = false;
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    emit finished();
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}

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bool DebuggerRunControl::isRunning() const
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{
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    return d->m_running;
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}

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DebuggerEngine *DebuggerRunControl::engine()
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{
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    QTC_CHECK(d->m_engine);
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    return d->m_engine;
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}

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RunConfiguration *DebuggerRunControl::runConfiguration() const
{
    return d->m_myRunConfiguration.data();
}
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////////////////////////////////////////////////////////////////////////
//
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// Engine detection logic: Detection functions depending on tool chain, binary,
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// etc. Return a list of possible engines (order of prefererence) without
// consideration of configuration, etc.
//
////////////////////////////////////////////////////////////////////////

static QList<DebuggerEngineType> enginesForToolChain(const Abi &toolChain)
{
    QList<DebuggerEngineType> result;
    switch (toolChain.binaryFormat()) {
    case Abi::ElfFormat:
    case Abi::MachOFormat:
        result.push_back(LldbEngineType);
        result.push_back(GdbEngineType);
        break;
   case Abi::PEFormat:
        if (toolChain.osFlavor() == Abi::WindowsMSysFlavor) {
            result.push_back(GdbEngineType);
            result.push_back(CdbEngineType);
        } else {
            result.push_back(CdbEngineType);
            result.push_back(GdbEngineType);
        }
        break;
    case Abi::RuntimeQmlFormat:
        result.push_back(QmlEngineType);
        break;
    default:
        break;
    }
    return result;
}

static inline QList<DebuggerEngineType> enginesForScriptExecutables(const QString &executable)
{
    QList<DebuggerEngineType> result;
    if (executable.endsWith(_(".js"))) {
        result.push_back(ScriptEngineType);
    } else if (executable.endsWith(_(".py"))) {
        result.push_back(PdbEngineType);
    }
    return result;
}

static QList<DebuggerEngineType> enginesForExecutable(const QString &executable)
{
    QList<DebuggerEngineType> result = enginesForScriptExecutables(executable);
    if (!result.isEmpty())
        return result;
#ifdef Q_OS_WIN
    // A remote executable?
    if (!executable.endsWith(_(".exe"), Qt::CaseInsensitive)) {
        result.push_back(GdbEngineType);
        return result;
    }

    // If a file has PDB files, it has been compiled by VS.
    QStringList pdbFiles;
    QString errorMessage;
    if (getPDBFiles(executable, &pdbFiles, &errorMessage) && !pdbFiles.isEmpty()) {
        result.push_back(CdbEngineType);
        result.push_back(GdbEngineType);
        return result;
    }
    // Fixme: Gdb should only be preferred if MinGW can positively be detected.
    result.push_back(GdbEngineType);
    result.push_back(CdbEngineType);
#else
    result.push_back(LldbEngineType);
    result.push_back(GdbEngineType);
#endif
    return result;
}

// Debugger type for mode.
static QList<DebuggerEngineType> enginesForMode(DebuggerStartMode startMode,
                                                bool hardConstraintsOnly)
{
    QList<DebuggerEngineType> result;
    switch (startMode) {
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    case NoStartMode:
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        break;
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    case StartInternal:
    case StartExternal:
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    case AttachExternal:
        if (!hardConstraintsOnly) {
#ifdef Q_OS_WIN
            result.push_back(CdbEngineType); // Preferably Windows debugger for attaching locally.
#endif
            result.push_back(GdbEngineType);
        }
        break;
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    case AttachCore:
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#ifdef Q_OS_WIN
        result.push_back(CdbEngineType);
#endif
        result.push_back(GdbEngineType);
        break;
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    case StartRemoteGdb:
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        result.push_back(GdbEngineType);
        break;
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    case AttachToRemote:
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        if (!hardConstraintsOnly) {
#ifdef Q_OS_WIN
            result.push_back(CdbEngineType);
#endif
            result.push_back(GdbEngineType);
        }
        break;
    case AttachCrashedExternal:
        result.push_back(CdbEngineType); // Only CDB can do this
        break;
    case StartRemoteEngine:
        // FIXME: Unclear IPC override. Someone please have a better idea.
        // For now thats the only supported IPC engine.
        result.push_back(LldbEngineType);
        break;
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    case AttachToQmlPort:
        result.push_back(QmlEngineType); // Only QML can do this
        break;
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    }
    return result;
}

// Engine detection logic: Call all detection functions in order.

static QList<DebuggerEngineType> engineTypes(const DebuggerStartParameters &sp)
{
    // Script executables and certain start modes are 'hard constraints'.
    QList<DebuggerEngineType> result = enginesForScriptExecutables(sp.executable);
    if (!result.isEmpty())
        return result;

    result = enginesForMode(sp.startMode, true);
    if (!result.isEmpty())
        return result;

    //  'hard constraints' done (with the exception of QML ABI checked here),
    // further try to restrict available engines.
    if (sp.toolChainAbi.isValid()) {
        result = enginesForToolChain(sp.toolChainAbi);
        if (!result.isEmpty())
            return result;
    }

    // FIXME: 1 of 3 testing hacks.
    if (sp.processArgs.startsWith(__("@tcf@ "))) {
        result.push_back(GdbEngineType);
        return result;
    }

    if (sp.startMode != AttachToRemote && !sp.executable.isEmpty())
        result = enginesForExecutable(sp.executable);
    if (!result.isEmpty())
        return result;

    result = enginesForMode(sp.startMode, false);
    return result;
}

// Engine detection logic: ConfigurationCheck.
ConfigurationCheck::ConfigurationCheck() :
    masterSlaveEngineTypes(NoEngineType, NoEngineType)
{
}

ConfigurationCheck::operator bool() const
{
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    return errorMessage.isEmpty()
        && errorDetails.isEmpty()
        && masterSlaveEngineTypes.first != NoEngineType;
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}

QString ConfigurationCheck::errorDetailsString() const
{
    return errorDetails.join(QLatin1String("\n\n"));
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}

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// Convenience helper to check whether an engine is enabled and configured
// correctly.
static inline bool canUseEngine(DebuggerEngineType et,
                                const DebuggerStartParameters &sp,
                                unsigned cmdLineEnabledEngines,
                                ConfigurationCheck *result)
{
    // Enabled?
    if ((et & cmdLineEnabledEngines) == 0) {
        result->errorDetails.push_back(DebuggerPlugin::tr("The debugger engine '%1' is disabled.").
                                       arg(engineTypeName(et)));
        return false;
    }
    // Configured.
    switch (et) {
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    case CdbEngineType:
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        return checkCdbConfiguration(sp, result);
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    case GdbEngineType:
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        return checkGdbConfiguration(sp, result);
    default:
        break;
    }
    return true;
}

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/*!
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    \fn Debugger::ConfigurationCheck Debugger::checkDebugConfiguration(const DebuggerStartParameters &sp)
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    This is the master engine detection function that returns the
    engine types for a given set of start parameters and checks their
    configuration.
*/

DEBUGGER_EXPORT ConfigurationCheck checkDebugConfiguration(const DebuggerStartParameters &sp)
{
    ConfigurationCheck result;
    const unsigned activeLangs = debuggerCore()->activeLanguages();
    const bool qmlLanguage = activeLangs & QmlLanguage;
    const bool cppLanguage = activeLangs & CppLanguage;
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    if (debug)
        qDebug().nospace() << "checkDebugConfiguration " << sp.toolChainAbi.toString()
                           << " Start mode=" << sp.startMode << " Executable=" << sp.executable
                           << " Debugger command=" << sp.debuggerCommand;
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    // Get all applicable types.
    QList<DebuggerEngineType> requiredTypes;
    if (qmlLanguage && !cppLanguage) {
        requiredTypes.push_back(QmlEngineType);
    } else {
        requiredTypes = engineTypes(sp);
    }
    if (requiredTypes.isEmpty()) {
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        result.errorMessage = QLatin1String("Internal error: Unable to determine debugger engine type for this configuration");
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        return result;
    }
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    if (debug)
        qDebug() << " Required: " << engineTypeNames(requiredTypes);
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    // Filter out disables types, command line + current settings.
    unsigned cmdLineEnabledEngines = debuggerCore()->enabledEngines();
#ifdef WITH_LLDB
    if (!Core::ICore::instance()->settings()->value(QLatin1String("LLDB/enabled")).toBool())
        cmdLineEnabledEngines &= ~LldbEngineType;
#else
     cmdLineEnabledEngines &= ~LldbEngineType;
#endif
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    DebuggerEngineType usableType = NoEngineType;
    QList<DebuggerEngineType> unavailableTypes;
    foreach (DebuggerEngineType et, requiredTypes) {
        if (canUseEngine(et, sp, cmdLineEnabledEngines, &result)) {
            usableType = et;
            break;
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        } else {
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            unavailableTypes.push_back(et);
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        }
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    }
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    if (usableType == NoEngineType) {
        if (requiredTypes.size() == 1) {
            result.errorMessage = DebuggerPlugin::tr(
                "The debugger engine '%1' required for debugging binaries of the type '%2'"
                " is not configured correctly.").
                arg(QLatin1String(engineTypeName(requiredTypes.front())), sp.toolChainAbi.toString());
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        } else {
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            result.errorMessage = DebuggerPlugin::tr(
                "None of the debugger engines '%1' capable of debugging binaries of the type '%2'"
                " is configured correctly.").
                arg(engineTypeNames(requiredTypes), sp.toolChainAbi.toString());
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        }
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        return result;
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    }
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    if (debug)
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        qDebug() << "Configured engine: " << engineTypeName(usableType);
    // Inform verbosely about MinGW-gdb/CDB fallbacks. Do not complain about LLDB, for now.
    if (!result.errorDetails.isEmpty() && unavailableTypes.count(LldbEngineType) != unavailableTypes.size()) {
        const QString msg = DebuggerPlugin::tr(
            "The preferred debugger engine for debugging binaries of type '%1' is not available.\n"
            "The debugger engine '%2' will be used as a fallback.\nDetails: %3").
                arg(sp.toolChainAbi.toString(), engineTypeName(usableType),
                    result.errorDetails.join(QString(QLatin1Char('\n'))));
        debuggerCore()->showMessage(msg, LogWarning);
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        showMessageBox(QMessageBox::Warning, DebuggerPlugin::tr("Warning"), msg);
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    }
    // Anything left: Happy.
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    result.errorMessage.clear();
    result.errorDetails.clear();
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    if (qmlLanguage && cppLanguage) {
        result.masterSlaveEngineTypes.first = QmlCppEngineType;
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        result.masterSlaveEngineTypes.second = usableType;
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    } else {
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        result.masterSlaveEngineTypes.first = usableType;
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    }
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    if (debug)
        qDebug() << engineTypeName(result.masterSlaveEngineTypes.first) << engineTypeName(result.masterSlaveEngineTypes.second);
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    return result;
}
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////////////////////////////////////////////////////////////////////////
//
// DebuggerRunControlFactory
//
////////////////////////////////////////////////////////////////////////

// A factory to create DebuggerRunControls
DebuggerRunControlFactory::DebuggerRunControlFactory(QObject *parent,
        unsigned enabledEngines)
    : IRunControlFactory(parent), m_enabledEngines(enabledEngines)
{}

bool DebuggerRunControlFactory::canRun(RunConfiguration *runConfiguration, const QString &mode) const
{
//    return mode == ProjectExplorer::Constants::DEBUGMODE;
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    return (mode == Constants::DEBUGMODE || mode == Constants::DEBUGMODE2)
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            && qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
}

QString DebuggerRunControlFactory::displayName() const
{
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    return DebuggerRunControl::tr("Debug");
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}

// Find Qt installation by running qmake
static inline QString findQtInstallPath(const QString &qmakePath)
{
    QProcess proc;
    QStringList args;
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    args.append(_("-query"));
    args.append(_("QT_INSTALL_HEADERS"));
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    proc.start(qmakePath, args);
    if (!proc.waitForStarted()) {
        qWarning("%s: Cannot start '%s': %s", Q_FUNC_INFO, qPrintable(qmakePath),
           qPrintable(proc.errorString()));
        return QString();
    }
    proc.closeWriteChannel();
    if (!proc.waitForFinished()) {
        Utils::SynchronousProcess::stopProcess(proc);
        qWarning("%s: Timeout running '%s'.", Q_FUNC_INFO, qPrintable(qmakePath));
        return QString();
    }
    if (proc.exitStatus() != QProcess::NormalExit) {
        qWarning("%s: '%s' crashed.", Q_FUNC_INFO, qPrintable(qmakePath));
        return QString();
    }
    const QByteArray ba = proc.readAllStandardOutput().trimmed();
    QDir dir(QString::fromLocal8Bit(ba));
    if (dir.exists() && dir.cdUp())
        return dir.absolutePath();
    return QString();
}

static DebuggerStartParameters localStartParameters(RunConfiguration *runConfiguration)
{
    DebuggerStartParameters sp;
    QTC_ASSERT(runConfiguration, return sp);
    LocalApplicationRunConfiguration *rc =
            qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
    QTC_ASSERT(rc, return sp);

    sp.startMode = StartInternal;
    sp.environment = rc->environment();
    sp.workingDirectory = rc->workingDirectory();
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#if defined(Q_OS_WIN)
    // Work around QTBUG-17529 (QtDeclarative fails with 'File name case mismatch' ...)
    sp.workingDirectory = Utils::normalizePathName(sp.workingDirectory);
#endif

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    sp.executable = rc->executable();
    sp.processArgs = rc->commandLineArguments();
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    sp.toolChainAbi = rc->abi();
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    sp.useTerminal = rc->runMode() == LocalApplicationRunConfiguration::Console;
    sp.dumperLibrary = rc->dumperLibrary();
    sp.dumperLibraryLocations = rc->dumperLibraryLocations();

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    if (const ProjectExplorer::Target *target = runConfiguration->target()) {
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        if (QByteArray(target->metaObject()->className()).contains("Qt4")) {
            const QString qmake = Utils::BuildableHelperLibrary::findSystemQt(sp.environment);
            if (!qmake.isEmpty())
                sp.qtInstallPath = findQtInstallPath(qmake);
        }
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        if (const ProjectExplorer::Project *project = target->project()) {
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            sp.projectSourceDirectory = project->projectDirectory();
            if (const ProjectExplorer::BuildConfiguration *buildConfig = target->activeBuildConfiguration()) {
                sp.projectBuildDirectory = buildConfig->buildDirectory();
                if (const ProjectExplorer::ToolChain *tc = buildConfig->toolChain())
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                    sp.debuggerCommand = tc->debuggerCommand();
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            }
            sp.projectSourceFiles = project->files(Project::ExcludeGeneratedFiles);
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        }
    }

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    if (debuggerCore()->isActiveDebugLanguage(QmlLanguage)) {
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        sp.qmlServerAddress = _("127.0.0.1");
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        sp.qmlServerPort = runConfiguration->qmlDebugServerPort();

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        // Makes sure that all bindings go through the JavaScript engine, so that
        // breakpoints are actually hit!
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        const QString optimizerKey = _("QML_DISABLE_OPTIMIZER");
        if (!sp.environment.hasKey(optimizerKey)) {
            sp.environment.set(optimizerKey, _("1"));
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        }

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        Utils::QtcProcess::addArg(&sp.processArgs, QString("-qmljsdebugger=port:%1,block").arg(
                                      sp.qmlServerPort));
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    }

    // FIXME: If it's not yet build this will be empty and not filled
    // when rebuild as the runConfiguration is not stored and therefore
    // cannot be used to retrieve the dumper location.
    //qDebug() << "DUMPER: " << sp.dumperLibrary << sp.dumperLibraryLocations;
    sp.displayName = rc->displayName();

    return sp;
}

RunControl *DebuggerRunControlFactory::create
    (RunConfiguration *runConfiguration, const QString &mode)
{
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    QTC_ASSERT(mode == Constants::DEBUGMODE || mode == Constants::DEBUGMODE2, return 0);
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    DebuggerStartParameters sp = localStartParameters(runConfiguration);
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    if (mode == Constants::DEBUGMODE2)
        sp.breakOnMain = true;
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    return create(sp, runConfiguration);
}

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RunConfigWidget *DebuggerRunControlFactory::createConfigurationWidget
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    (RunConfiguration *runConfiguration)
{
    // NBS TODO: Add GDB-specific configuration widget
    Q_UNUSED(runConfiguration)
    return 0;
}

DebuggerRunControl *DebuggerRunControlFactory::create
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    (const DebuggerStartParameters &sp, RunConfiguration *runConfiguration)
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{
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    const ConfigurationCheck check = checkDebugConfiguration(sp);
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    if (!check) {
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        //appendMessage(errorMessage, true);
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        Core::ICore::instance()->showWarningWithOptions(DebuggerRunControl::tr("Debugger"),
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            check.errorMessage, check.errorDetailsString(), check.settingsCategory, check.settingsPage);
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        return 0;
    }

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    return new DebuggerRunControl(runConfiguration, sp, check.masterSlaveEngineTypes);
}

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DebuggerEngine *DebuggerRunControlFactory::createEngine
    (DebuggerEngineType et,
     const DebuggerStartParameters &sp,
     DebuggerEngine *masterEngine,
     QString *errorMessage)
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{
    switch (et) {
    case GdbEngineType:
        return createGdbEngine(sp, masterEngine);
    case ScriptEngineType:
        return createScriptEngine(sp);
    case CdbEngineType:
        return createCdbEngine(sp, masterEngine, errorMessage);
    case PdbEngineType:
        return createPdbEngine(sp);
    case QmlEngineType:
        return createQmlEngine(sp, masterEngine);
    case LldbEngineType:
        return createLldbEngine(sp);
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    default:
        break;
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    }
    *errorMessage = DebuggerRunControl::tr("Unable to create a debugger engine of the type '%1'").
                    arg(_(engineTypeName(et)));
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    return 0;
}

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} // namespace Debugger