debuggerengine.cpp 51.9 KB
Newer Older
1 2 3 4
/**************************************************************************
**
** This file is part of Qt Creator
**
con's avatar
con committed
5
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
6
**
7
** Contact: Nokia Corporation (qt-info@nokia.com)
8 9 10 11
**
**
** GNU Lesser General Public License Usage
**
hjk's avatar
hjk committed
12 13 14 15 16 17
** 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.
18
**
con's avatar
con committed
19
** In addition, as a special exception, Nokia gives you certain additional
hjk's avatar
hjk committed
20
** rights. These rights are described in the Nokia Qt LGPL Exception
con's avatar
con committed
21 22
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
hjk's avatar
hjk committed
23 24 25 26 27
** 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.
**
con's avatar
con committed
28
** If you have questions regarding the use of this file, please contact
29
** Nokia at qt-info@nokia.com.
30 31 32 33 34
**
**************************************************************************/

#include "debuggerengine.h"

35
#include "debuggerinternalconstants.h"
36
#include "debuggeractions.h"
37
#include "debuggercore.h"
38
#include "debuggerplugin.h"
39
#include "debuggerrunner.h"
40
#include "debuggerstringutils.h"
Friedemann Kleint's avatar
Friedemann Kleint committed
41
#include "debuggerstartparameters.h"
42

43 44
#include "memoryagent.h"
#include "disassembleragent.h"
45 46 47 48 49 50 51 52 53
#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "snapshothandler.h"
#include "sourcefileshandler.h"
#include "stackhandler.h"
#include "threadshandler.h"
#include "watchhandler.h"

hjk's avatar
hjk committed
54
#include <coreplugin/icore.h>
55
#include <coreplugin/ifile.h>
hjk's avatar
hjk committed
56
#include <coreplugin/editormanager/editormanager.h>
57 58
#include <coreplugin/progressmanager/progressmanager.h>
#include <coreplugin/progressmanager/futureprogress.h>
hjk's avatar
hjk committed
59 60

#include <texteditor/itexteditor.h>
61
#include <texteditor/basetextmark.h>
hjk's avatar
hjk committed
62

63 64 65
#include <projectexplorer/taskhub.h>
#include <extensionsystem/pluginmanager.h>

66 67 68 69 70
#include <utils/savedaction.h>
#include <utils/qtcassert.h>

#include <QtCore/QDebug>
#include <QtCore/QTimer>
71
#include <QtCore/QFile>
72
#include <QtCore/QFileInfo>
73
#include <QtCore/QFutureInterface>
74

75
#include <QtGui/QMessageBox>
76

hjk's avatar
hjk committed
77
using namespace Core;
78
using namespace Debugger::Internal;
hjk's avatar
hjk committed
79 80
using namespace ProjectExplorer;
using namespace TextEditor;
81

82 83 84 85
enum { debug = 0 };

#define SDEBUG(s) if (!debug) {} else qDebug() << s;
#define XSDEBUG(s) qDebug() << s
86

87

88 89 90 91 92 93
///////////////////////////////////////////////////////////////////////
//
// DebuggerStartParameters
//
///////////////////////////////////////////////////////////////////////

94 95
namespace Debugger {

Friedemann Kleint's avatar
Friedemann Kleint committed
96 97 98 99 100 101 102 103 104
Internal::Location::Location(const StackFrame &frame, bool marker)
{
    init();
    m_fileName = frame.file;
    m_lineNumber = frame.line;
    m_needsMarker = marker;
    m_functionName = frame.function;
    m_hasDebugInfo = frame.isUsable();
    m_address = frame.address;
105
    m_from = frame.from;
Friedemann Kleint's avatar
Friedemann Kleint committed
106 107
}

108 109
QDebug operator<<(QDebug d, DebuggerState state)
{
hjk's avatar
hjk committed
110 111
    //return d << DebuggerEngine::stateName(state) << '(' << int(state) << ')';
    return d << DebuggerEngine::stateName(state);
112 113 114 115 116 117 118
}

QDebug operator<<(QDebug str, const DebuggerStartParameters &sp)
{
    QDebug nospace = str.nospace();
    nospace << "executable=" << sp.executable
            << " coreFile=" << sp.coreFile
119
            << " processArgs=" << sp.processArgs
120 121 122 123 124 125 126
            << " environment=<" << sp.environment.size() << " variables>"
            << " workingDir=" << sp.workingDirectory
            << " attachPID=" << sp.attachPID
            << " useTerminal=" << sp.useTerminal
            << " remoteChannel=" << sp.remoteChannel
            << " remoteArchitecture=" << sp.remoteArchitecture
            << " symbolFileName=" << sp.symbolFileName
hjk's avatar
hjk committed
127
            << " useServerStartScript=" << sp.useServerStartScript
128
            << " serverStartScript=" << sp.serverStartScript
129
            << " abi=" << sp.toolChainAbi.toString() << '\n';
130 131 132
    return str;
}

133

134 135 136 137 138 139
//////////////////////////////////////////////////////////////////////
//
// DebuggerEnginePrivate
//
//////////////////////////////////////////////////////////////////////

140
class DebuggerEnginePrivate : public QObject
141
{
142 143
    Q_OBJECT

144
public:
145 146
    DebuggerEnginePrivate(DebuggerEngine *engine,
            DebuggerEngine *masterEngine,
147
            DebuggerLanguages languages,
148
            const DebuggerStartParameters &sp)
149
      : m_engine(engine),
150
        m_masterEngine(masterEngine),
151 152
        m_runControl(0),
        m_startParameters(sp),
153
        m_languages(languages),
154
        m_state(DebuggerNotReady),
hjk's avatar
hjk committed
155
        m_lastGoodState(DebuggerNotReady),
Friedemann Kleint's avatar
Friedemann Kleint committed
156
        m_targetState(DebuggerNotReady),
157
        m_inferiorPid(0),
158
        m_modulesHandler(),
159
        m_registerHandler(),
160 161
        m_sourceFilesHandler(),
        m_stackHandler(),
hjk's avatar
hjk committed
162
        m_threadsHandler(),
163
        m_watchHandler(engine),
164
        m_disassemblerAgent(engine),
165
        m_memoryAgent(engine),
166
        m_isStateDebugging(false),
167 168
        m_testsPossible(true),
        m_taskHub(0)
169
    {
170
        connect(&m_locationTimer, SIGNAL(timeout()), SLOT(resetLocation()));
171
        if (sp.toolChainAbi.os() == Abi::MacOS)
con's avatar
con committed
172
            m_disassemblerAgent.setTryMixed(false);
173
    }
174 175

    ~DebuggerEnginePrivate() {}
176

177
public slots:
178
    void doSetupEngine();
hjk's avatar
hjk committed
179 180
    void doSetupInferior();
    void doRunEngine();
hjk's avatar
hjk committed
181 182
    void doShutdownEngine();
    void doShutdownInferior();
183
    void doInterruptInferior();
hjk's avatar
hjk committed
184
    void doFinishDebugger();
hjk's avatar
hjk committed
185

186 187 188 189 190 191 192 193 194 195 196 197 198 199
    void queueSetupEngine()
    {
        m_engine->setState(EngineSetupRequested);
        m_engine->showMessage(_("QUEUE: SETUP ENGINE"));
        QTimer::singleShot(0, this, SLOT(doSetupEngine()));
    }

    void queueSetupInferior()
    {
        m_engine->setState(InferiorSetupRequested);
        m_engine->showMessage(_("QUEUE: SETUP INFERIOR"));
        QTimer::singleShot(0, this, SLOT(doSetupInferior()));
    }

200 201
    void queueRunEngine()
    {
hjk's avatar
hjk committed
202 203 204 205 206
        m_engine->setState(EngineRunRequested);
        m_engine->showMessage(_("QUEUE: RUN ENGINE"));
        QTimer::singleShot(0, this, SLOT(doRunEngine()));
    }

207 208
    void queueShutdownEngine()
    {
hjk's avatar
hjk committed
209 210 211 212 213
        m_engine->setState(EngineShutdownRequested);
        m_engine->showMessage(_("QUEUE: SHUTDOWN ENGINE"));
        QTimer::singleShot(0, this, SLOT(doShutdownEngine()));
    }

214 215
    void queueShutdownInferior()
    {
hjk's avatar
hjk committed
216 217 218 219 220
        m_engine->setState(InferiorShutdownRequested);
        m_engine->showMessage(_("QUEUE: SHUTDOWN INFERIOR"));
        QTimer::singleShot(0, this, SLOT(doShutdownInferior()));
    }

221 222
    void queueFinishDebugger()
    {
223 224 225
        QTC_ASSERT(state() == EngineShutdownOk
            || state() == EngineShutdownFailed, qDebug() << state());
        m_engine->setState(DebuggerFinished);
226 227 228 229 230
        resetLocation();
        if (isMasterEngine()) {
            m_engine->showMessage(_("QUEUE: FINISH DEBUGGER"));
            QTimer::singleShot(0, this, SLOT(doFinishDebugger()));
        }
hjk's avatar
hjk committed
231 232
    }

233 234
    void raiseApplication()
    {
235 236
        QTC_ASSERT(runControl(), return);
        runControl()->bringApplicationToForeground(m_inferiorPid);
237 238
    }

239
    void scheduleResetLocation()
240
    {
241
        m_stackHandler.scheduleResetLocation();
242
        m_watchHandler.scheduleResetLocation();
243
        m_threadsHandler.scheduleResetLocation();
244
        m_disassemblerAgent.scheduleResetLocation();
245 246 247 248
        m_locationTimer.setSingleShot(true);
        m_locationTimer.start(80);
    }

249
    void resetLocation()
250 251 252
    {
        m_locationTimer.stop();
        m_locationMark.reset();
253
        m_stackHandler.resetLocation();
254
        m_watchHandler.resetLocation();
255
        m_threadsHandler.resetLocation();
256
        m_disassemblerAgent.resetLocation();
257 258
    }

259
public:
hjk's avatar
hjk committed
260
    DebuggerState state() const { return m_state; }
261 262 263
    bool isMasterEngine() const { return m_engine->isMasterEngine(); }
    DebuggerRunControl *runControl() const
        { return m_masterEngine ? m_masterEngine->runControl() : m_runControl; }
hjk's avatar
hjk committed
264

265
    DebuggerEngine *m_engine; // Not owned.
266
    DebuggerEngine *m_masterEngine; // Not owned
267 268 269
    DebuggerRunControl *m_runControl;  // Not owned.

    DebuggerStartParameters m_startParameters;
270
    DebuggerLanguages m_languages;
hjk's avatar
hjk committed
271 272

    // The current state.
273 274
    DebuggerState m_state;

hjk's avatar
hjk committed
275 276 277 278 279 280
    // The state we had before something unexpected happend.
    DebuggerState m_lastGoodState;

    // The state we are aiming for.
    DebuggerState m_targetState;

281 282 283 284 285 286 287 288
    qint64 m_inferiorPid;

    ModulesHandler m_modulesHandler;
    RegisterHandler m_registerHandler;
    SourceFilesHandler m_sourceFilesHandler;
    StackHandler m_stackHandler;
    ThreadsHandler m_threadsHandler;
    WatchHandler m_watchHandler;
289
    QFutureInterface<void> m_progress;
290

291 292
    DisassemblerAgent m_disassemblerAgent;
    MemoryAgent m_memoryAgent;
293 294
    QScopedPointer<TextEditor::BaseTextMark> m_locationMark;
    QTimer m_locationTimer;
295 296

    bool m_isStateDebugging;
297 298 299 300

    // Testing
    void handleAutoTests();
    void handleAutoTestLine(int line);
301
    void reportTestError(const QString &msg, int line);
302 303
    bool m_testsPossible;
    QStringList m_testContents;
304 305
    TaskHub *m_taskHub;
    QString m_testFileName;
306 307 308 309 310 311 312 313 314
};


//////////////////////////////////////////////////////////////////////
//
// DebuggerEngine
//
//////////////////////////////////////////////////////////////////////

315
DebuggerEngine::DebuggerEngine(const DebuggerStartParameters &startParameters,
316
        DebuggerLanguages languages,
317
        DebuggerEngine *parentEngine)
318
  : d(new DebuggerEnginePrivate(this, parentEngine, languages, startParameters))
319
{
320
    d->m_inferiorPid = 0;
321 322 323 324
}

DebuggerEngine::~DebuggerEngine()
{
325 326
    disconnect();
    delete d;
327 328
}

329 330 331 332 333 334 335 336 337 338 339
const char *DebuggerEngine::stateName(int s)
{
#    define SN(x) case x: return #x;
    switch (s) {
        SN(DebuggerNotReady)
        SN(EngineSetupRequested)
        SN(EngineSetupOk)
        SN(EngineSetupFailed)
        SN(EngineRunFailed)
        SN(InferiorSetupRequested)
        SN(InferiorSetupFailed)
340
        SN(InferiorSetupOk)
341 342 343 344 345 346 347 348
        SN(EngineRunRequested)
        SN(InferiorRunRequested)
        SN(InferiorRunOk)
        SN(InferiorRunFailed)
        SN(InferiorUnrunnable)
        SN(InferiorStopRequested)
        SN(InferiorStopOk)
        SN(InferiorStopFailed)
349
        SN(InferiorExitOk)
350 351 352 353 354 355 356 357 358 359 360 361
        SN(InferiorShutdownRequested)
        SN(InferiorShutdownOk)
        SN(InferiorShutdownFailed)
        SN(EngineShutdownRequested)
        SN(EngineShutdownOk)
        SN(EngineShutdownFailed)
        SN(DebuggerFinished)
    }
    return "<unknown>";
#    undef SN
}

362
void DebuggerEngine::showStatusMessage(const QString &msg, int timeout) const
363
{
364
    showMessage(msg, StatusBar, timeout);
365
}
366

367 368 369 370 371 372 373 374 375 376 377 378
void DebuggerEngine::frameUp()
{
    int currentIndex = stackHandler()->currentIndex();
    activateFrame(qMin(currentIndex + 1, stackHandler()->stackSize() - 1));
}

void DebuggerEngine::frameDown()
{
    int currentIndex = stackHandler()->currentIndex();
    activateFrame(qMax(currentIndex - 1, 0));
}

379 380 381 382 383
void DebuggerEngine::setTargetState(DebuggerState state)
{
    d->m_targetState = state;
}

384 385
ModulesHandler *DebuggerEngine::modulesHandler() const
{
386 387 388
    return d->m_masterEngine
        ? d->m_masterEngine->modulesHandler()
        : &d->m_modulesHandler;
389 390 391 392
}

RegisterHandler *DebuggerEngine::registerHandler() const
{
393 394 395
    return d->m_masterEngine
        ? d->m_masterEngine->registerHandler()
        : &d->m_registerHandler;
396 397 398 399
}

StackHandler *DebuggerEngine::stackHandler() const
{
hjk's avatar
hjk committed
400 401 402 403
    //return d->m_masterEngine
    //    ? d->m_masterEngine->stackHandler()
    //    : &d->m_stackHandler;
    return &d->m_stackHandler;
404 405 406 407
}

ThreadsHandler *DebuggerEngine::threadsHandler() const
{
408 409 410
    return d->m_masterEngine
        ? d->m_masterEngine->threadsHandler()
        : &d->m_threadsHandler;
411 412 413 414
}

WatchHandler *DebuggerEngine::watchHandler() const
{
415 416 417
    return d->m_masterEngine
        ? d->m_masterEngine->watchHandler()
        : &d->m_watchHandler;
418 419 420 421
}

SourceFilesHandler *DebuggerEngine::sourceFilesHandler() const
{
422 423 424
    return d->m_masterEngine
        ? d->m_masterEngine->sourceFilesHandler()
        : &d->m_sourceFilesHandler;
425 426 427 428
}

QAbstractItemModel *DebuggerEngine::modulesModel() const
{
429
    QAbstractItemModel *model = modulesHandler()->model();
Friedemann Kleint's avatar
Friedemann Kleint committed
430 431 432
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("ModulesModel"));
    return model;
433 434 435 436
}

QAbstractItemModel *DebuggerEngine::registerModel() const
{
437
    QAbstractItemModel *model = registerHandler()->model();
Friedemann Kleint's avatar
Friedemann Kleint committed
438 439 440
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("RegisterModel"));
    return model;
441 442 443 444
}

QAbstractItemModel *DebuggerEngine::stackModel() const
{
445
    QAbstractItemModel *model = stackHandler()->model();
Friedemann Kleint's avatar
Friedemann Kleint committed
446 447 448
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("StackModel"));
    return model;
449 450 451 452
}

QAbstractItemModel *DebuggerEngine::threadsModel() const
{
453
    QAbstractItemModel *model = threadsHandler()->model();
Friedemann Kleint's avatar
Friedemann Kleint committed
454 455 456
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("ThreadsModel"));
    return model;
457 458 459 460
}

QAbstractItemModel *DebuggerEngine::localsModel() const
{
461
    QAbstractItemModel *model = watchHandler()->model(LocalsWatch);
Friedemann Kleint's avatar
Friedemann Kleint committed
462 463 464
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("LocalsModel"));
    return model;
465 466 467 468
}

QAbstractItemModel *DebuggerEngine::watchersModel() const
{
469
    QAbstractItemModel *model = watchHandler()->model(WatchersWatch);
Friedemann Kleint's avatar
Friedemann Kleint committed
470 471 472
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("WatchersModel"));
    return model;
473 474 475 476
}

QAbstractItemModel *DebuggerEngine::returnModel() const
{
477
    QAbstractItemModel *model = watchHandler()->model(ReturnWatch);
Friedemann Kleint's avatar
Friedemann Kleint committed
478 479 480
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("ReturnModel"));
    return model;
481 482
}

483 484 485 486 487 488 489 490
QAbstractItemModel *DebuggerEngine::toolTipsModel() const
{
    QAbstractItemModel *model = watchHandler()->model(TooltipsWatch);
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("TooltipsModel"));
    return model;
}

491 492
QAbstractItemModel *DebuggerEngine::sourceFilesModel() const
{
493
    QAbstractItemModel *model = sourceFilesHandler()->model();
Friedemann Kleint's avatar
Friedemann Kleint committed
494 495 496
    if (model->objectName().isEmpty()) // Make debugging easier.
        model->setObjectName(objectName() + QLatin1String("SourceFilesModel"));
    return model;
497 498
}

499
void DebuggerEngine::fetchMemory(MemoryAgent *, QObject *,
500 501 502 503 504 505
        quint64 addr, quint64 length)
{
    Q_UNUSED(addr);
    Q_UNUSED(length);
}

hjk's avatar
hjk committed
506 507 508 509 510 511 512
void DebuggerEngine::changeMemory(MemoryAgent *, QObject *,
        quint64 addr, const QByteArray &data)
{
    Q_UNUSED(addr);
    Q_UNUSED(data);
}

513 514 515 516 517 518 519 520
void DebuggerEngine::setRegisterValue(int regnr, const QString &value)
{
    Q_UNUSED(regnr);
    Q_UNUSED(value);
}

void DebuggerEngine::showMessage(const QString &msg, int channel, int timeout) const
{
521 522 523 524
    if (d->m_masterEngine) {
        d->m_masterEngine->showMessage(msg, channel, timeout);
        return;
    }
525 526
    //if (msg.size() && msg.at(0).isUpper() && msg.at(1).isUpper())
    //    qDebug() << qPrintable(msg) << "IN STATE" << state();
527
    debuggerCore()->showMessage(msg, channel, timeout);
528 529 530 531 532
    if (d->m_runControl) {
        d->m_runControl->showMessage(msg, channel);
    } else {
        qWarning("Warning: %s (no active run control)", qPrintable(msg));
    }
533 534 535 536
}

void DebuggerEngine::startDebugger(DebuggerRunControl *runControl)
{
537 538
    QTC_ASSERT(runControl, notifyEngineSetupFailed(); return);
    QTC_ASSERT(!d->m_runControl, notifyEngineSetupFailed(); return);
539

540
    d->m_progress.setProgressRange(0, 1000);
hjk's avatar
hjk committed
541
    Core::FutureProgress *fp = Core::ICore::progressManager()
542 543
        ->addTask(d->m_progress.future(),
        tr("Launching"), _("Debugger.Launcher"));
con's avatar
con committed
544
    fp->setKeepOnFinish(Core::FutureProgress::HideOnFinish);
545 546
    d->m_progress.reportStarted();

547 548 549 550
    d->m_runControl = runControl;

    d->m_inferiorPid = d->m_startParameters.attachPID > 0
        ? d->m_startParameters.attachPID : 0;
551 552
    if (d->m_inferiorPid)
        d->m_runControl->setApplicationProcessHandle(ProcessHandle(d->m_inferiorPid));
553

554 555
    if (!d->m_startParameters.environment.size())
        d->m_startParameters.environment = Utils::Environment();
556

hjk's avatar
hjk committed
557
    debuggerCore()->action(OperateByInstruction)
558
        ->setEnabled(hasCapability(DisassemblerCapability));
559

560 561
    QTC_ASSERT(state() == DebuggerNotReady || state() == DebuggerFinished,
         qDebug() << state());
562 563
    d->m_lastGoodState = DebuggerNotReady;
    d->m_targetState = DebuggerNotReady;
564
    d->m_progress.setProgressValue(200);
565
    d->queueSetupEngine();
566 567 568 569
}

void DebuggerEngine::resetLocation()
{
570 571
    // Do it after some delay to avoid flicker.
    d->scheduleResetLocation();
572 573
}

574
void DebuggerEngine::gotoLocation(const Location &loc)
575
{
Aurindam Jana's avatar
Aurindam Jana committed
576 577
     d->resetLocation();

578 579 580 581
    if (debuggerCore()->boolSetting(OperateByInstruction) || !loc.hasDebugInfo()) {
        d->m_disassemblerAgent.setLocation(loc);
        return;
    }
582 583 584 585 586
    // CDB might hit on breakpoints while shutting down.
    //if (m_shuttingDown)
    //    return;


587 588
    const QString file = loc.fileName();
    const int line = loc.lineNumber();
hjk's avatar
hjk committed
589 590
    EditorManager *editorManager = EditorManager::instance();
    QList<IEditor *> editors = editorManager->editorsForFileName(file);
591
    IEditor *editor = 0;
hjk's avatar
hjk committed
592
    if (editors.isEmpty()) {
hjk's avatar
hjk committed
593
        editor = editorManager->openEditor(file, Core::Id(),
594 595 596 597 598 599 600
            EditorManager::IgnoreNavigationHistory);
        if (editor) {
            editors.append(editor);
            editor->setProperty(Constants::OPENED_BY_DEBUGGER, true);
        }
    } else {
        editor = editors.back();
hjk's avatar
hjk committed
601
    }
602
    ITextEditor *texteditor = qobject_cast<ITextEditor *>(editor);
hjk's avatar
hjk committed
603 604 605
    if (texteditor)
        texteditor->gotoLine(line, 0);

606 607 608 609 610 611
    if (loc.needsMarker()) {
        d->m_locationMark.reset(new TextEditor::BaseTextMark);
        d->m_locationMark->setLocation(file, line);
        d->m_locationMark->setIcon(debuggerCore()->locationMarkIcon());
        d->m_locationMark->setPriority(TextEditor::ITextMark::HighPriority);
    }
612 613

    // FIXME: Breaks with split views.
614
    if (!d->m_memoryAgent.hasVisibleEditor() || loc.needsRaise())
615
        editorManager->activateEditor(editor);
616
    //qDebug() << "MEMORY: " << d->m_memoryAgent.hasVisibleEditor();
617 618
}

619 620 621
// Called from RunControl.
void DebuggerEngine::handleStartFailed()
{
622
    showMessage(QLatin1String("HANDLE RUNCONTROL START FAILED"));
623
    d->m_runControl = 0;
624
    d->m_progress.setProgressValue(900);
625 626
    d->m_progress.reportCanceled();
    d->m_progress.reportFinished();
627 628
}

629 630
// Called from RunControl.
void DebuggerEngine::handleFinished()
631
{
632
    showMessage(QLatin1String("HANDLE RUNCONTROL FINISHED"));
633
    d->m_runControl = 0;
634 635
    d->m_progress.setProgressValue(1000);
    d->m_progress.reportFinished();
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663
    modulesHandler()->removeAll();
    stackHandler()->removeAll();
    threadsHandler()->removeAll();
    watchHandler()->cleanup();
}

const DebuggerStartParameters &DebuggerEngine::startParameters() const
{
    return d->m_startParameters;
}

DebuggerStartParameters &DebuggerEngine::startParameters()
{
    return d->m_startParameters;
}


//////////////////////////////////////////////////////////////////////
//
// Dumpers. "Custom dumpers" are a library compiled against the current
// Qt containing functions to evaluate values of Qt classes
// (such as QString, taking pointers to their addresses).
// The library must be loaded into the debuggee.
//
//////////////////////////////////////////////////////////////////////

bool DebuggerEngine::qtDumperLibraryEnabled() const
{
hjk's avatar
hjk committed
664
    return debuggerCore()->boolSetting(UseDebuggingHelpers);
665 666 667 668 669 670 671 672 673
}

QStringList DebuggerEngine::qtDumperLibraryLocations() const
{
    return d->m_startParameters.dumperLibraryLocations;
}

void DebuggerEngine::showQtDumperLibraryWarning(const QString &details)
{
674
    debuggerCore()->showQtDumperLibraryWarning(details);
675 676 677 678 679 680 681 682 683 684 685 686
}

QString DebuggerEngine::qtDumperLibraryName() const
{
    return startParameters().dumperLibrary;
}

DebuggerState DebuggerEngine::state() const
{
    return d->m_state;
}

hjk's avatar
hjk committed
687
DebuggerState DebuggerEngine::lastGoodState() const
688
{
hjk's avatar
hjk committed
689 690 691 692 693 694 695
    return d->m_lastGoodState;
}

DebuggerState DebuggerEngine::targetState() const
{
    return d->m_targetState;
}
696

hjk's avatar
hjk committed
697 698 699
static bool isAllowedTransition(DebuggerState from, DebuggerState to)
{
    switch (from) {
700
    case DebuggerNotReady:
701
        return to == EngineSetupRequested;
702

hjk's avatar
hjk committed
703
    case EngineSetupRequested:
704 705
        return to == EngineSetupOk || to == EngineSetupFailed;
    case EngineSetupFailed:
706 707 708
        // In is the engine's task to go into a proper "Shutdown"
        // state before calling notifyEngineSetupFailed
        return to == DebuggerFinished;
709
    case EngineSetupOk:
hjk's avatar
hjk committed
710
        return to == InferiorSetupRequested || to == EngineShutdownRequested;
711

hjk's avatar
hjk committed
712
    case InferiorSetupRequested:
713
        return to == InferiorSetupOk || to == InferiorSetupFailed;
hjk's avatar
hjk committed
714
    case InferiorSetupFailed:
hjk's avatar
hjk committed
715
        return to == EngineShutdownRequested;
716 717
    case InferiorSetupOk:
        return to == EngineRunRequested;
hjk's avatar
hjk committed
718 719

    case EngineRunRequested:
hjk's avatar
hjk committed
720 721 722 723
        return to == EngineRunFailed
            || to == InferiorRunOk
            || to == InferiorStopOk
            || to == InferiorUnrunnable;
hjk's avatar
hjk committed
724
    case EngineRunFailed:
725
        return to == EngineShutdownRequested;
hjk's avatar
hjk committed
726 727 728 729 730 731

    case InferiorRunRequested:
        return to == InferiorRunOk || to == InferiorRunFailed;
    case InferiorRunFailed:
        return to == InferiorStopOk;
    case InferiorRunOk:
732 733 734
        return to == InferiorStopRequested
            || to == InferiorStopOk // A spontaneous stop.
            || to == InferiorExitOk;
hjk's avatar
hjk committed
735 736 737 738 739

    case InferiorStopRequested:
        return to == InferiorStopOk || to == InferiorStopFailed;
    case InferiorStopOk:
        return to == InferiorRunRequested || to == InferiorShutdownRequested
740
            || to == InferiorStopOk || InferiorExitOk;
741
    case InferiorStopFailed:
hjk's avatar
hjk committed
742
        return to == EngineShutdownRequested;
743

744 745 746
    case InferiorExitOk:
        return to == InferiorShutdownOk;

747
    case InferiorUnrunnable:
hjk's avatar
hjk committed
748 749 750 751 752
        return to == InferiorShutdownRequested;
    case InferiorShutdownRequested:
        return to == InferiorShutdownOk || to == InferiorShutdownFailed;
    case InferiorShutdownOk:
        return to == EngineShutdownRequested;
753
    case InferiorShutdownFailed:
hjk's avatar
hjk committed
754
        return to == EngineShutdownRequested;
755

hjk's avatar
hjk committed
756
    case EngineShutdownRequested:
757
        return to == EngineShutdownOk || to == EngineShutdownFailed;
hjk's avatar
hjk committed
758 759 760 761 762 763
    case EngineShutdownOk:
        return to == DebuggerFinished;
    case EngineShutdownFailed:
        return to == DebuggerFinished;

    case DebuggerFinished:
764
        return to == EngineSetupRequested; // Happens on restart.
765 766
    }

767
    qDebug() << "UNKNOWN DEBUGGER STATE:" << from;
768 769 770
    return false;
}

771 772
void DebuggerEngine::setupSlaveEngine()
{
773
    QTC_CHECK(state() == DebuggerNotReady);
774 775 776 777 778 779 780 781 782 783
    d->queueSetupEngine();
}

void DebuggerEnginePrivate::doSetupEngine()
{
    m_engine->showMessage(_("CALL: SETUP ENGINE"));
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << m_engine << state());
    m_engine->setupEngine();
}

784
void DebuggerEngine::notifyEngineSetupFailed()
hjk's avatar
hjk committed
785
{
hjk's avatar
hjk committed
786
    showMessage(_("NOTE: ENGINE SETUP FAILED"));
787
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << this << state());
788
    setState(EngineSetupFailed);
hjk's avatar
hjk committed
789
    if (isMasterEngine() && runControl())
790
        runControl()->startFailed();
hjk's avatar
hjk committed
791
    setState(DebuggerFinished);
hjk's avatar
hjk committed
792 793
}

794
void DebuggerEngine::notifyEngineSetupOk()
795
{
hjk's avatar
hjk committed
796
    showMessage(_("NOTE: ENGINE SETUP OK"));
797
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << this << state());
798
    setState(EngineSetupOk);
hjk's avatar
hjk committed
799
    showMessage(_("QUEUE: SETUP INFERIOR"));
800
    if (isMasterEngine())
801 802 803 804 805
        d->queueSetupInferior();
}

void DebuggerEngine::setupSlaveInferior()
{
806
    QTC_CHECK(state() == EngineSetupOk);
807
    d->queueSetupInferior();
808 809
}

hjk's avatar
hjk committed
810
void DebuggerEnginePrivate::doSetupInferior()
811
{
812
    m_engine->showMessage(_("CALL: SETUP INFERIOR"));
813
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << m_engine << state());
814
    m_progress.setProgressValue(250);
hjk's avatar
hjk committed
815 816 817 818 819
    m_engine->setupInferior();
}

void DebuggerEngine::notifyInferiorSetupFailed()
{
hjk's avatar
hjk committed
820
    showMessage(_("NOTE: INFERIOR SETUP FAILED"));
821
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << this << state());
hjk's avatar
hjk committed
822
    setState(InferiorSetupFailed);
823 824
    if (isMasterEngine())
        d->queueShutdownEngine();
hjk's avatar
hjk committed
825 826 827 828
}

void DebuggerEngine::notifyInferiorSetupOk()
{
hjk's avatar
hjk committed
829
    showMessage(_("NOTE: INFERIOR SETUP OK"));
830 831 832 833
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << this << state());
    setState(InferiorSetupOk);
    if (isMasterEngine())
        d->queueRunEngine();
hjk's avatar
hjk committed
834 835
}

836 837 838
void DebuggerEngine::runSlaveEngine()
{
    QTC_ASSERT(isSlaveEngine(), return);
839
    QTC_CHECK(state() == InferiorSetupOk);
840 841 842
    d->queueRunEngine();
}

hjk's avatar
hjk committed
843 844
void DebuggerEnginePrivate::doRunEngine()
{
hjk's avatar
hjk committed
845
    m_engine->showMessage(_("CALL: RUN ENGINE"));
846
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << m_engine << state());
847
    m_progress.setProgressValue(300);
hjk's avatar
hjk committed
848 849 850
    m_engine->runEngine();
}

hjk's avatar
hjk committed
851 852
void DebuggerEngine::notifyInferiorUnrunnable()
{
hjk's avatar
hjk committed
853
    showMessage(_("NOTE: INFERIOR UNRUNNABLE"));
854 855
    d->m_progress.setProgressValue(1000);
    d->m_progress.reportFinished();
856
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
hjk's avatar
hjk committed
857 858 859 860 861
    setState(InferiorUnrunnable);
}

void DebuggerEngine::notifyEngineRunFailed()
{
hjk's avatar
hjk committed
862
    showMessage(_("NOTE: ENGINE RUN FAILED"));
863
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
864 865 866
    d->m_progress.setProgressValue(900);
    d->m_progress.reportCanceled();
    d->m_progress.reportFinished();
hjk's avatar
hjk committed
867
    setState(EngineRunFailed);
868 869
    if (isMasterEngine())
        d->queueShutdownEngine();
hjk's avatar
hjk committed
870 871 872 873
}

void DebuggerEngine::notifyEngineRunAndInferiorRunOk()
{
hjk's avatar
hjk committed
874
    showMessage(_("NOTE: ENGINE RUN AND INFERIOR RUN OK"));
875 876
    d->m_progress.setProgressValue(1000);
    d->m_progress.reportFinished();
877
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
hjk's avatar
hjk committed
878
    setState(InferiorRunOk);
hjk's avatar
hjk committed
879 880 881 882
}

void DebuggerEngine::notifyEngineRunAndInferiorStopOk()
{