debuggerengine.cpp 40.5 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/

#include "debuggerengine.h"

#include "debuggeractions.h"
#include "debuggeragents.h"
#include "debuggerrunner.h"
#include "debuggeroutputwindow.h"
#include "debuggerplugin.h"
#include "debuggerstringutils.h"

#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
47
#include "watchutils.h"
48

hjk's avatar
hjk committed
49
50
51
#include <coreplugin/icore.h>
#include <coreplugin/editormanager/editormanager.h>

52
53
54
55
56
57
58
59
60
61
#include <projectexplorer/debugginghelper.h>
#include <projectexplorer/environment.h>
#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <projectexplorer/target.h>
#include <projectexplorer/buildconfiguration.h>
#include <projectexplorer/applicationrunconfiguration.h> // For LocalApplication*

#include <qt4projectmanager/qt4projectmanagerconstants.h>

hjk's avatar
hjk committed
62
63
#include <texteditor/itexteditor.h>

64
65
66
67
68
69
70
71
72
73
74
#include <utils/savedaction.h>
#include <utils/qtcassert.h>

#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QTimer>

#include <QtGui/QAbstractItemView>
#include <QtGui/QStandardItemModel>
#include <QtGui/QAction>
75
#include <QtGui/QMenu>
76
#include <QtGui/QMessageBox>
hjk's avatar
hjk committed
77
#include <QtGui/QPlainTextEdit>
78
#include <QtGui/QPushButton>
hjk's avatar
hjk committed
79
80
#include <QtGui/QTextBlock>
#include <QtGui/QTextCursor>
81
82
83
84
#include <QtGui/QTextDocument>
#include <QtGui/QTreeWidget>


hjk's avatar
hjk committed
85
using namespace Core;
86
87
using namespace Debugger;
using namespace Debugger::Internal;
hjk's avatar
hjk committed
88
89
using namespace ProjectExplorer;
using namespace TextEditor;
90

hjk's avatar
hjk committed
91
92
93
94
95
96
97
//#define DEBUG_STATE 1
#if DEBUG_STATE
#   define SDEBUG(s) qDebug() << s
#else
#   define SDEBUG(s)
#endif
# define XSDEBUG(s) qDebug() << s
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122

///////////////////////////////////////////////////////////////////////
//
// DebuggerStartParameters
//
///////////////////////////////////////////////////////////////////////

DebuggerStartParameters::DebuggerStartParameters()
  : attachPID(-1),
    useTerminal(false),
    breakAtMain(false),
    toolChainType(ToolChain::UNKNOWN),
    startMode(NoStartMode)
{}

void DebuggerStartParameters::clear()
{
    *this = DebuggerStartParameters();
}


namespace Debugger {

QDebug operator<<(QDebug d, DebuggerState state)
{
hjk's avatar
hjk committed
123
124
    //return d << DebuggerEngine::stateName(state) << '(' << int(state) << ')';
    return d << DebuggerEngine::stateName(state);
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
}

QDebug operator<<(QDebug str, const DebuggerStartParameters &sp)
{
    QDebug nospace = str.nospace();
    const QString sep = QString(QLatin1Char(','));
    nospace << "executable=" << sp.executable
            << " coreFile=" << sp.coreFile
            << " processArgs=" << sp.processArgs.join(sep)
            << " environment=<" << sp.environment.size() << " variables>"
            << " workingDir=" << sp.workingDirectory
            << " attachPID=" << sp.attachPID
            << " useTerminal=" << sp.useTerminal
            << " remoteChannel=" << sp.remoteChannel
            << " remoteArchitecture=" << sp.remoteArchitecture
            << " symbolFileName=" << sp.symbolFileName
            << " serverStartScript=" << sp.serverStartScript
            << " toolchain=" << sp.toolChainType << '\n';
    return str;
}


namespace Internal {

const char *DebuggerEngine::stateName(int s)
{
#    define SN(x) case x: return #x;
    switch (s) {
        SN(DebuggerNotReady)
hjk's avatar
hjk committed
154
        SN(EngineSetupRequested)
155
156
        SN(EngineSetupOk)
        SN(EngineSetupFailed)
hjk's avatar
hjk committed
157
158
        SN(EngineRunFailed)
        SN(InferiorSetupRequested)
hjk's avatar
hjk committed
159
        SN(InferiorSetupFailed)
hjk's avatar
hjk committed
160
161
162
163
        SN(EngineRunRequested)
        SN(InferiorRunRequested)
        SN(InferiorRunOk)
        SN(InferiorRunFailed)
164
        SN(InferiorUnrunnable)
hjk's avatar
hjk committed
165
166
        SN(InferiorStopRequested)
        SN(InferiorStopOk)
167
        SN(InferiorStopFailed)
hjk's avatar
hjk committed
168
169
        SN(InferiorShutdownRequested)
        SN(InferiorShutdownOk)
170
        SN(InferiorShutdownFailed)
hjk's avatar
hjk committed
171
172
173
174
        SN(EngineShutdownRequested)
        SN(EngineShutdownOk)
        SN(EngineShutdownFailed)
        SN(DebuggerFinished)
175
176
177
178
179
    }
    return "<unknown>";
#    undef SN
}

180

181
182
183
184
185
186
187
188
189
//////////////////////////////////////////////////////////////////////
//
// CommandHandler
//
//////////////////////////////////////////////////////////////////////

class CommandHandler : public QStandardItemModel
{
public:
190
    explicit CommandHandler(DebuggerEngine *engine) : m_engine(engine) {}
191
192
193
194
    bool setData(const QModelIndex &index, const QVariant &value, int role);
    QAbstractItemModel *model() { return this; }

private:
195
    QPointer<DebuggerEngine> m_engine;
196
197
};

198
bool CommandHandler::setData(const QModelIndex &, const QVariant &value, int role)
199
{
200
    QTC_ASSERT(m_engine, qDebug() << value << role; return false);
201
202
    m_engine->handleCommand(role, value);
    return true;
203
204
205
206
207
208
209
210
211
}


//////////////////////////////////////////////////////////////////////
//
// DebuggerEnginePrivate
//
//////////////////////////////////////////////////////////////////////

212
class DebuggerEnginePrivate : public QObject
213
{
214
215
    Q_OBJECT

216
217
218
219
public:
    DebuggerEnginePrivate(DebuggerEngine *engine, const DebuggerStartParameters &sp)
      : m_engine(engine),
        m_runControl(0),
220
        m_isActive(false),
221
222
        m_startParameters(sp),
        m_state(DebuggerNotReady),
hjk's avatar
hjk committed
223
        m_lastGoodState(DebuggerNotReady),
224
225
226
227
228
229
230
231
232
233
234
        m_breakHandler(engine),
        m_commandHandler(engine),
        m_modulesHandler(engine),
        m_registerHandler(engine),
        m_sourceFilesHandler(engine),
        m_stackHandler(engine),
        m_threadsHandler(engine),
        m_watchHandler(engine),
        m_disassemblerViewAgent(engine)
    {}

235
236
237
238
239
public slots:
    void breakpointSetRemoveMarginActionTriggered();
    void breakpointEnableDisableMarginActionTriggered();
    void handleContextMenuRequest(const QVariant &parameters);

hjk's avatar
hjk committed
240
241
    void doSetupInferior();
    void doRunEngine();
hjk's avatar
hjk committed
242
243
    void doShutdownEngine();
    void doShutdownInferior();
244
    void doInterruptInferior();
hjk's avatar
hjk committed
245
    void doFinishDebugger();
hjk's avatar
hjk committed
246

hjk's avatar
hjk committed
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
    void queueRunEngine() {
        m_engine->setState(EngineRunRequested);
        m_engine->showMessage(_("QUEUE: RUN ENGINE"));
        QTimer::singleShot(0, this, SLOT(doRunEngine()));
    }

    void queueShutdownEngine() {
        m_engine->setState(EngineShutdownRequested);
        m_engine->showMessage(_("QUEUE: SHUTDOWN ENGINE"));
        QTimer::singleShot(0, this, SLOT(doShutdownEngine()));
    }

    void queueShutdownInferior() {
        m_engine->setState(InferiorShutdownRequested);
        m_engine->showMessage(_("QUEUE: SHUTDOWN INFERIOR"));
        QTimer::singleShot(0, this, SLOT(doShutdownInferior()));
    }

    void queueFinishDebugger() {
        m_engine->setState(DebuggerFinished, true);
        m_engine->showMessage(_("QUEUE: SHUTDOWN INFERIOR"));
        QTimer::singleShot(0, this, SLOT(doFinishDebugger()));
    }

271
public:
hjk's avatar
hjk committed
272
273
    DebuggerState state() const { return m_state; }

274
275
    DebuggerEngine *m_engine; // Not owned.
    DebuggerRunControl *m_runControl;  // Not owned.
276
    bool m_isActive;
277
278

    DebuggerStartParameters m_startParameters;
hjk's avatar
hjk committed
279
280

    // The current state.
281
282
    DebuggerState m_state;

hjk's avatar
hjk committed
283
284
285
286
287
288
    // The state we had before something unexpected happend.
    DebuggerState m_lastGoodState;

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

289
290
291
292
293
294
295
296
297
298
299
300
301
    qint64 m_inferiorPid;

    BreakHandler m_breakHandler;
    CommandHandler m_commandHandler;
    ModulesHandler m_modulesHandler;
    RegisterHandler m_registerHandler;
    SourceFilesHandler m_sourceFilesHandler;
    StackHandler m_stackHandler;
    ThreadsHandler m_threadsHandler;
    WatchHandler m_watchHandler;
    DisassemblerViewAgent m_disassemblerViewAgent;
};

302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
void DebuggerEnginePrivate::breakpointSetRemoveMarginActionTriggered()
{
    QAction *act = qobject_cast<QAction *>(sender());
    QTC_ASSERT(act, return);
    QList<QVariant> list = act->data().toList();
    QTC_ASSERT(list.size() == 2, return);
    const QString fileName = list.at(0).toString();
    const int lineNumber = list.at(1).toInt();
    m_breakHandler.toggleBreakpoint(fileName, lineNumber);
}

void DebuggerEnginePrivate::breakpointEnableDisableMarginActionTriggered()
{
    QAction *act = qobject_cast<QAction *>(sender());
    QTC_ASSERT(act, return);
    QList<QVariant> list = act->data().toList();
    QTC_ASSERT(list.size() == 2, return);
    const QString fileName = list.at(0).toString();
    const int lineNumber = list.at(1).toInt();
    m_breakHandler.toggleBreakpointEnabled(fileName, lineNumber);
}

void DebuggerEnginePrivate::handleContextMenuRequest(const QVariant &parameters)
{
    const QList<QVariant> list = parameters.toList();
    QTC_ASSERT(list.size() == 3, return);
hjk's avatar
hjk committed
328
    TextEditor::ITextEditor *editor =
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
        (TextEditor::ITextEditor *)(list.at(0).value<quint64>());
    int lineNumber = list.at(1).toInt();
    QMenu *menu = (QMenu *)(list.at(2).value<quint64>());

    BreakpointData *data = 0;
    QString position;
    QString fileName;
    if (editor->property("DisassemblerView").toBool()) {
        fileName = editor->file()->fileName();
        QString line = editor->contents()
            .section('\n', lineNumber - 1, lineNumber - 1);
        position = _("*") + fileName;
        BreakpointData needle;
        needle.bpAddress = line.left(line.indexOf(QLatin1Char(' '))).toLatin1();
        needle.bpLineNumber = "-1";
        data = m_breakHandler.findSimilarBreakpoint(&needle);
    } else {
        fileName = editor->file()->fileName();
        position = fileName + QString(":%1").arg(lineNumber);
        data = m_breakHandler.findBreakpoint(fileName, lineNumber);
    }

    QList<QVariant> args;
    args.append(fileName);
    args.append(lineNumber);

    if (data) {
        // existing breakpoint
        QAction *act = new QAction(tr("Remove Breakpoint"), menu);
        act->setData(args);
        connect(act, SIGNAL(triggered()),
            this, SLOT(breakpointSetRemoveMarginActionTriggered()));
        menu->addAction(act);

        QAction *act2;
        if (data->enabled)
            act2 = new QAction(tr("Disable Breakpoint"), menu);
        else
            act2 = new QAction(tr("Enable Breakpoint"), menu);
        act2->setData(args);
        connect(act2, SIGNAL(triggered()),
            this, SLOT(breakpointEnableDisableMarginActionTriggered()));
        menu->addAction(act2);
    } else {
        // non-existing
        QAction *act = new QAction(tr("Set Breakpoint"), menu);
        act->setData(args);
        connect(act, SIGNAL(triggered()),
            this, SLOT(breakpointSetRemoveMarginActionTriggered()));
        menu->addAction(act);
    }
}
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396

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

DebuggerEngine::DebuggerEngine(const DebuggerStartParameters &startParameters)
  : d(new DebuggerEnginePrivate(this, startParameters))
{
}

DebuggerEngine::~DebuggerEngine()
{
}

397
void DebuggerEngine::showStatusMessage(const QString &msg, int timeout) const
398
{
399
    showMessage(msg, StatusBar, timeout);
400
}
401
402
403
404
405
406
407
408
409
410
411
412
413
414

void DebuggerEngine::handleCommand(int role, const QVariant &value)
{
    //qDebug() << "COMMAND: " << role << value;

    switch (role) {
        case RequestReloadSourceFilesRole:
            reloadSourceFiles();
            break;

        case RequestReloadModulesRole:
            reloadModules();
            break;

415
416
417
418
        case RequestReloadRegistersRole:
            reloadRegisters();
            break;

419
420
421
422
        case RequestExecDetachRole:
            detachDebugger();
            break;

423
424
425
426
427
        case RequestExecContinueRole:
            continueInferior();
            break;

        case RequestExecInterruptRole:
428
            d->doInterruptInferior();
429
430
431
            break;

        case RequestExecResetRole:
432
            notifyEngineIll(); // FIXME: check
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
            break;

        case RequestExecStepRole:
            executeStepX();
            break;

        case RequestExecStepOutRole:
            executeStepOutX();
            break;

        case RequestExecNextRole:
            executeStepNextX();
            break;

        case RequestExecRunToLineRole:
hjk's avatar
hjk committed
448
            executeRunToLine();
449
450
451
            break;

        case RequestExecRunToFunctionRole:
hjk's avatar
hjk committed
452
            executeRunToFunction();
453
454
455
456
457
458
459
            break;

        case RequestExecReturnFromFunctionRole:
            executeReturnX();
            break;

        case RequestExecJumpToLineRole:
hjk's avatar
hjk committed
460
            executeJumpToLine();
461
462
463
            break;

        case RequestExecWatchRole:
hjk's avatar
hjk committed
464
            addToWatchWindow();
465
466
467
            break;

        case RequestExecExitRole:
468
            d->queueShutdownInferior();
469
470
            break;

471
        case RequestMakeSnapshotRole:
472
473
474
            makeSnapshot();
            break;

475
476
477
478
        case RequestActivationRole:
            setActive(value.toBool());
            break;

479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
        case RequestExecFrameDownRole:
            frameDown();
            break;

        case RequestExecFrameUpRole:
            frameUp();
            break;

        case RequestOperatedByInstructionTriggeredRole:
            gotoLocation(stackHandler()->currentFrame(), true);
            break;

        case RequestExecuteCommandRole:
            executeDebuggerCommand(value.toString());
            break;
hjk's avatar
hjk committed
494

495
496
497
498
499
500
501
502
503
        case RequestToggleBreakpointRole: {
            QList<QVariant> list = value.toList();
            QTC_ASSERT(list.size() == 2, break);
            const QString fileName = list.at(0).toString();
            const int lineNumber = list.at(1).toInt();
            breakHandler()->toggleBreakpoint(fileName, lineNumber);
            break;
        }

504
505
506
        case RequestToolTipByExpressionRole: {
            QList<QVariant> list = value.toList();
            QTC_ASSERT(list.size() == 3, break);
507
508
509
            QPoint point = list.at(0).value<QPoint>();
            TextEditor::ITextEditor *editor = // Eeks.
                (TextEditor::ITextEditor *)(list.at(1).value<quint64>());
hjk's avatar
hjk committed
510
            int pos = list.at(2).toInt();
511
            setToolTipExpression(point, editor, pos);
512
513
514
            break;
        }

515
        case RequestContextMenuRole: {
516
            QList<QVariant> list = value.toList();
517
518
            QTC_ASSERT(list.size() == 3, break);
            d->handleContextMenuRequest(list);
hjk's avatar
hjk committed
519
            break;
520
        }
521
    }
522
}
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585

void DebuggerEngine::showModuleSymbols
    (const QString &moduleName, const Symbols &symbols)
{
    QTreeWidget *w = new QTreeWidget;
    w->setColumnCount(3);
    w->setRootIsDecorated(false);
    w->setAlternatingRowColors(true);
    w->setSortingEnabled(true);
    w->setHeaderLabels(QStringList() << tr("Symbol") << tr("Address") << tr("Code"));
    w->setWindowTitle(tr("Symbols in \"%1\"").arg(moduleName));
    foreach (const Symbol &s, symbols) {
        QTreeWidgetItem *it = new QTreeWidgetItem;
        it->setData(0, Qt::DisplayRole, s.name);
        it->setData(1, Qt::DisplayRole, s.address);
        it->setData(2, Qt::DisplayRole, s.state);
        w->addTopLevelItem(it);
    }
    plugin()->createNewDock(w);
}

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));
}

ModulesHandler *DebuggerEngine::modulesHandler() const
{
    return &d->m_modulesHandler;
}

BreakHandler *DebuggerEngine::breakHandler() const
{
    return &d->m_breakHandler;
}

RegisterHandler *DebuggerEngine::registerHandler() const
{
    return &d->m_registerHandler;
}

StackHandler *DebuggerEngine::stackHandler() const
{
    return &d->m_stackHandler;
}

ThreadsHandler *DebuggerEngine::threadsHandler() const
{
    return &d->m_threadsHandler;
}

WatchHandler *DebuggerEngine::watchHandler() const
{
    return &d->m_watchHandler;
}

586
587
588
589
//SnapshotHandler *DebuggerEngine::snapshotHandler() const
//{
//    return &d->m_snapshotHandler;
//}
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
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

SourceFilesHandler *DebuggerEngine::sourceFilesHandler() const
{
    return &d->m_sourceFilesHandler;
}

QAbstractItemModel *DebuggerEngine::modulesModel() const
{
    return d->m_modulesHandler.model();
}

QAbstractItemModel *DebuggerEngine::breakModel() const
{
    return d->m_breakHandler.model();
}

QAbstractItemModel *DebuggerEngine::registerModel() const
{
    return d->m_registerHandler.model();
}

QAbstractItemModel *DebuggerEngine::stackModel() const
{
    return d->m_stackHandler.model();
}

QAbstractItemModel *DebuggerEngine::threadsModel() const
{
    return d->m_threadsHandler.model();
}

QAbstractItemModel *DebuggerEngine::localsModel() const
{
    return d->m_watchHandler.model(LocalsWatch);
}

QAbstractItemModel *DebuggerEngine::watchersModel() const
{
    return d->m_watchHandler.model(WatchersWatch);
}

QAbstractItemModel *DebuggerEngine::returnModel() const
{
    return d->m_watchHandler.model(ReturnWatch);
}

QAbstractItemModel *DebuggerEngine::sourceFilesModel() const
{
    return d->m_sourceFilesHandler.model();
}

QAbstractItemModel *DebuggerEngine::commandModel() const
{
    return d->m_commandHandler.model();
}

void DebuggerEngine::fetchMemory(MemoryViewAgent *, QObject *,
        quint64 addr, quint64 length)
{
    Q_UNUSED(addr);
    Q_UNUSED(length);
}

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
{
661
662
    //if (msg.size() && msg.at(0).isUpper() && msg.at(1).isUpper())
    //    qDebug() << qPrintable(msg) << "IN STATE" << state();
663
664
665
666
667
668
    d->m_runControl->showMessage(msg, channel);
    plugin()->showMessage(msg, channel, timeout);
}

void DebuggerEngine::startDebugger(DebuggerRunControl *runControl)
{
669
670
    QTC_ASSERT(runControl, notifyEngineSetupFailed(); return);
    QTC_ASSERT(!d->m_runControl, notifyEngineSetupFailed(); return);
671
672

    DebuggerEngine *sessionTemplate = plugin()->sessionTemplate();
673
674
    QTC_ASSERT(sessionTemplate, notifyEngineSetupFailed(); return);
    QTC_ASSERT(sessionTemplate != this, notifyEngineSetupFailed(); return);
675
676

    breakHandler()->initializeFromTemplate(sessionTemplate->breakHandler());
677
    watchHandler()->initializeFromTemplate(sessionTemplate->watchHandler());
678
679
680

    d->m_runControl = runControl;

hjk's avatar
hjk committed
681
    QTC_ASSERT(state() == DebuggerNotReady, qDebug() << state());
682
683
684
685
686
687
688
689
690
691
692
693
694
695

    d->m_inferiorPid = d->m_startParameters.attachPID > 0
        ? d->m_startParameters.attachPID : 0;

    if (d->m_startParameters.environment.empty())
        d->m_startParameters.environment = Environment().toStringList();

    if (d->m_startParameters.breakAtMain)
        breakByFunctionMain();

    const unsigned engineCapabilities = debuggerCapabilities();
    theDebuggerAction(OperateByInstruction)
        ->setEnabled(engineCapabilities & DisassemblerCapability);

hjk's avatar
hjk committed
696
    setState(EngineSetupRequested);
hjk's avatar
hjk committed
697
    setupEngine();
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
}

void DebuggerEngine::breakByFunctionMain()
{
#ifdef Q_OS_WIN
    // FIXME: wrong on non-Qt based binaries
    emit breakByFunction("qMain");
#else
    emit breakByFunction("main");
#endif
}

void DebuggerEngine::breakByFunction(const QString &functionName)
{
    d->m_breakHandler.breakByFunction(functionName);
    attemptBreakpointSynchronization();
}

void DebuggerEngine::resetLocation()
{
    d->m_disassemblerViewAgent.resetLocation();
    d->m_stackHandler.setCurrentIndex(-1);
    plugin()->resetLocation();
}

void DebuggerEngine::gotoLocation(const QString &fileName, int lineNumber, bool setMarker)
{
    StackFrame frame;
    frame.file = fileName;
    frame.line = lineNumber;
    gotoLocation(frame, setMarker);
}

void DebuggerEngine::gotoLocation(const StackFrame &frame, bool setMarker)
{
    if (theDebuggerBoolSetting(OperateByInstruction) || !frame.isUsable()) {
        if (setMarker)
            plugin()->resetLocation();
        d->m_disassemblerViewAgent.setFrame(frame);
    } else {
        plugin()->gotoLocation(frame.file, frame.line, setMarker);
    }
}

void DebuggerEngine::executeStepX()
{
    resetLocation();
    if (theDebuggerBoolSetting(OperateByInstruction))
        executeStepI();
    else
        executeStep();
}

void DebuggerEngine::executeStepOutX()
{
    resetLocation();
    executeStepOut();
}

void DebuggerEngine::executeStepNextX()
{
    resetLocation();
    if (theDebuggerBoolSetting(OperateByInstruction))
        executeNextI();
    else
        executeNext();
}

void DebuggerEngine::executeReturnX()
{
    resetLocation();
    executeReturn();
}

hjk's avatar
hjk committed
772
static TextEditor::ITextEditor *currentTextEditor()
773
{
hjk's avatar
hjk committed
774
775
776
777
778
    EditorManager *editorManager = EditorManager::instance();
    if (!editorManager)
        return 0;
    Core::IEditor *editor = editorManager->currentEditor();
    return qobject_cast<ITextEditor*>(editor);
779
780
}

hjk's avatar
hjk committed
781
void DebuggerEngine::executeRunToLine()
782
{
hjk's avatar
hjk committed
783
    ITextEditor *textEditor = currentTextEditor();
784
785
    QTC_ASSERT(textEditor, return);
    QString fileName = textEditor->file()->fileName();
hjk's avatar
hjk committed
786
787
    if (fileName.isEmpty())
        return;
788
    int lineNumber = textEditor->currentLine();
hjk's avatar
hjk committed
789
790
    resetLocation();
    executeRunToLine(fileName, lineNumber);
791
792
}

hjk's avatar
hjk committed
793
void DebuggerEngine::executeRunToFunction()
794
{
hjk's avatar
hjk committed
795
    ITextEditor *textEditor = currentTextEditor();
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
    QTC_ASSERT(textEditor, return);
    QString fileName = textEditor->file()->fileName();
    QPlainTextEdit *ed = qobject_cast<QPlainTextEdit*>(textEditor->widget());
    if (!ed)
        return;
    QTextCursor cursor = ed->textCursor();
    QString functionName = cursor.selectedText();
    if (functionName.isEmpty()) {
        const QTextBlock block = cursor.block();
        const QString line = block.text();
        foreach (const QString &str, line.trimmed().split('(')) {
            QString a;
            for (int i = str.size(); --i >= 0; ) {
                if (!str.at(i).isLetterOrNumber())
                    break;
                a = str.at(i) + a;
            }
            if (!a.isEmpty()) {
                functionName = a;
                break;
            }
        }
    }

hjk's avatar
hjk committed
820
821
822
823
    if (functionName.isEmpty())
        return;
    resetLocation();
    executeRunToFunction(functionName);
824
825
}

hjk's avatar
hjk committed
826
void DebuggerEngine::executeJumpToLine()
827
{
hjk's avatar
hjk committed
828
    ITextEditor *textEditor = currentTextEditor();
829
830
831
    QTC_ASSERT(textEditor, return);
    QString fileName = textEditor->file()->fileName();
    int lineNumber = textEditor->currentLine();
hjk's avatar
hjk committed
832
833
834
    if (fileName.isEmpty())
        return;
    executeJumpToLine(fileName, lineNumber);
835
836
}

hjk's avatar
hjk committed
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
void DebuggerEngine::addToWatchWindow()
{
    // Requires a selection, but that's the only case we want anyway.
    EditorManager *editorManager = EditorManager::instance();
    if (!editorManager)
        return;
    IEditor *editor = editorManager->currentEditor();
    if (!editor)
        return;
    ITextEditor *textEditor = qobject_cast<ITextEditor*>(editor);
    if (!textEditor)
        return;
    QTextCursor tc;
    QPlainTextEdit *ptEdit = qobject_cast<QPlainTextEdit*>(editor->widget());
    if (ptEdit)
        tc = ptEdit->textCursor();
    QString exp;
    if (tc.hasSelection()) {
        exp = tc.selectedText();
    } else {
        int line, column;
        exp = cppExpressionAt(textEditor, tc.position(), &line, &column);
    }
860
861
862
    if (exp.isEmpty())
        return;
    watchHandler()->watchExpression(exp);
hjk's avatar
hjk committed
863
864
}

865
866
// Called from RunControl.
void DebuggerEngine::handleFinished()
867
868
869
870
871
{
    modulesHandler()->removeAll();
    stackHandler()->removeAll();
    threadsHandler()->removeAll();
    watchHandler()->cleanup();
872
873

    DebuggerEngine *sessionTemplate = plugin()->sessionTemplate();
874
875
    QTC_ASSERT(sessionTemplate != this, /**/);
    breakHandler()->storeToTemplate(sessionTemplate->breakHandler());
876
    watchHandler()->storeToTemplate(sessionTemplate->watchHandler());
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
}

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
{
    return theDebuggerBoolSetting(UseDebuggingHelpers);
}

QStringList DebuggerEngine::qtDumperLibraryLocations() const
{
    if (theDebuggerAction(UseCustomDebuggingHelperLocation)->value().toBool()) {
        const QString customLocation =
            theDebuggerAction(CustomDebuggingHelperLocation)->value().toString();
        const QString location =
            tr("%1 (explicitly set in the Debugger Options)").arg(customLocation);
        return QStringList(location);
    }
    return d->m_startParameters.dumperLibraryLocations;
}

void DebuggerEngine::showQtDumperLibraryWarning(const QString &details)
{
    //QMessageBox dialog(d->m_mainWindow); // FIXME
    QMessageBox dialog;
    QPushButton *qtPref = dialog.addButton(tr("Open Qt preferences"),
        QMessageBox::ActionRole);
    QPushButton *helperOff = dialog.addButton(tr("Turn off helper usage"),
        QMessageBox::ActionRole);
    QPushButton *justContinue = dialog.addButton(tr("Continue anyway"),
        QMessageBox::AcceptRole);
    dialog.setDefaultButton(justContinue);
    dialog.setWindowTitle(tr("Debugging helper missing"));
    dialog.setText(tr("The debugger could not load the debugging helper library."));
    dialog.setInformativeText(tr(
        "The debugging helper is used to nicely format the values of some Qt "
        "and Standard Library data types. "
        "It must be compiled for each used Qt version separately. "
        "This can be done in the Qt preferences page by selecting a Qt installation "
        "and clicking on 'Rebuild' in the 'Debugging Helper' row."));
    if (!details.isEmpty())
        dialog.setDetailedText(details);
    dialog.exec();
    if (dialog.clickedButton() == qtPref) {
        Core::ICore::instance()->showOptionsDialog(
            _(Qt4ProjectManager::Constants::QT_SETTINGS_CATEGORY),
            _(Qt4ProjectManager::Constants::QTVERSION_SETTINGS_PAGE_ID));
    } else if (dialog.clickedButton() == helperOff) {
        theDebuggerAction(UseDebuggingHelpers)
            ->setValue(qVariantFromValue(false), false);
    }
}

QString DebuggerEngine::qtDumperLibraryName() const
{
    if (theDebuggerAction(UseCustomDebuggingHelperLocation)->value().toBool())
        return theDebuggerAction(CustomDebuggingHelperLocation)->value().toString();
    return startParameters().dumperLibrary;
}

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

hjk's avatar
hjk committed
960
DebuggerState DebuggerEngine::lastGoodState() const
961
{
hjk's avatar
hjk committed
962
963
964
965
966
967
968
    return d->m_lastGoodState;
}

DebuggerState DebuggerEngine::targetState() const
{
    return d->m_targetState;
}
969

hjk's avatar
hjk committed
970
971
972
static bool isAllowedTransition(DebuggerState from, DebuggerState to)
{
    switch (from) {
973
    case DebuggerNotReady:
974
        return to == EngineSetupRequested;
975

hjk's avatar
hjk committed
976
    case EngineSetupRequested:
977
978
        return to == EngineSetupOk || to == EngineSetupFailed;
    case EngineSetupFailed:
979
        return to == DebuggerFinished;
980
    case EngineSetupOk:
hjk's avatar
hjk committed
981
        return to == InferiorSetupRequested || to == EngineShutdownRequested;
982

hjk's avatar
hjk committed
983
984
    case InferiorSetupRequested:
        return to == EngineRunRequested || to == InferiorSetupFailed;
hjk's avatar
hjk committed
985
    case InferiorSetupFailed:
hjk's avatar
hjk committed
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
        return to == EngineShutdownRequested;

    case EngineRunRequested:
        return to == InferiorRunRequested || to == InferiorStopRequested
            || to == InferiorUnrunnable || to == EngineRunFailed;

    case EngineRunFailed:
        return to == InferiorShutdownRequested;

    case InferiorRunRequested:
        return to == InferiorRunOk || to == InferiorRunFailed;
    case InferiorRunFailed:
        return to == InferiorStopOk;
    case InferiorRunOk:
        return to == InferiorStopRequested || to == InferiorStopOk;

    case InferiorStopRequested:
        return to == InferiorStopOk || to == InferiorStopFailed;
    case InferiorStopOk:
        return to == InferiorRunRequested || to == InferiorShutdownRequested
            || to == InferiorStopOk;
1007
    case InferiorStopFailed:
hjk's avatar
hjk committed
1008
        return to == EngineShutdownRequested;
1009
1010

    case InferiorUnrunnable:
hjk's avatar
hjk committed
1011
1012
1013
1014
1015
        return to == InferiorShutdownRequested;
    case InferiorShutdownRequested:
        return to == InferiorShutdownOk || to == InferiorShutdownFailed;
    case InferiorShutdownOk:
        return to == EngineShutdownRequested;
1016
    case InferiorShutdownFailed:
hjk's avatar
hjk committed
1017
        return to == EngineShutdownRequested;
1018

hjk's avatar
hjk committed
1019
1020
1021
1022
1023
1024
1025
1026
1027
    case EngineShutdownRequested:
        return to == EngineShutdownOk;
    case EngineShutdownOk:
        return to == DebuggerFinished;
    case EngineShutdownFailed:
        return to == DebuggerFinished;

    case DebuggerFinished:
        return false;
1028
1029
1030
1031
1032
1033
    }

    qDebug() << "UNKNOWN STATE:" << from;
    return false;
}

1034
void DebuggerEngine::notifyEngineSetupFailed()
hjk's avatar
hjk committed
1035
{
hjk's avatar
hjk committed
1036
    showMessage(_("NOTE: ENGINE SETUP FAILED"));
hjk's avatar
hjk committed
1037
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
1038
    setState(EngineSetupFailed);
hjk's avatar
hjk committed
1039
    d->m_runControl->startFailed();
hjk's avatar
hjk committed
1040
    d->queueShutdownEngine();
hjk's avatar
hjk committed
1041
1042
}

1043
void DebuggerEngine::notifyEngineSetupOk()
1044
{
hjk's avatar
hjk committed
1045
    showMessage(_("NOTE: ENGINE SETUP OK"));
hjk's avatar
hjk committed
1046
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
1047
    setState(EngineSetupOk);
hjk's avatar
hjk committed
1048
    d->m_runControl->startSuccessful();
hjk's avatar
hjk committed
1049
    showMessage(_("QUEUE: SETUP INFERIOR"));
hjk's avatar
hjk committed
1050
    QTimer::singleShot(0, d, SLOT(doSetupInferior()));
1051
1052
}

hjk's avatar
hjk committed
1053
void DebuggerEnginePrivate::doSetupInferior()
1054
{
hjk's avatar
hjk committed
1055
1056
    QTC_ASSERT(state() == EngineSetupOk, qDebug() << state());
    m_engine->setState(InferiorSetupRequested);
hjk's avatar
hjk committed
1057
    m_engine->showMessage(_("CALL: SETUP INFERIOR"));
hjk's avatar
hjk committed
1058
1059
1060
1061
1062
    m_engine->setupInferior();
}

void DebuggerEngine::notifyInferiorSetupFailed()
{
hjk's avatar
hjk committed
1063
    showMessage(_("NOTE: INFERIOR SETUP FAILED"));
hjk's avatar
hjk committed
1064
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
hjk's avatar
hjk committed
1065
    setState(InferiorSetupFailed);
hjk's avatar
hjk committed
1066
    d->queueShutdownEngine();
hjk's avatar
hjk committed
1067
1068
1069
1070
}

void DebuggerEngine::notifyInferiorSetupOk()
{
hjk's avatar
hjk committed
1071
    showMessage(_("NOTE: INFERIOR SETUP OK"));
hjk's avatar
hjk committed
1072
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
hjk's avatar
hjk committed
1073
    d->queueRunEngine();
hjk's avatar
hjk committed
1074
1075
1076
1077
}

void DebuggerEnginePrivate::doRunEngine()
{
hjk's avatar
hjk committed
1078
    m_engine->showMessage(_("CALL: RUN ENGINE"));
hjk's avatar
hjk committed
1079
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
hjk's avatar
hjk committed
1080
1081
1082
    m_engine->runEngine();
}

hjk's avatar
hjk committed
1083
1084
void DebuggerEngine::notifyInferiorUnrunnable()
{
hjk's avatar
hjk committed
1085
    showMessage(_("NOTE: INFERIOR UNRUNNABLE"));
hjk's avatar
hjk committed
1086
1087
1088
1089
1090
1091
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
    setState(InferiorUnrunnable);
}

void DebuggerEngine::notifyEngineRunFailed()
{
hjk's avatar
hjk committed
1092
    showMessage(_("NOTE: ENGINE RUN FAILED"));
hjk's avatar
hjk committed
1093
1094
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
    setState(EngineRunFailed);
hjk's avatar
hjk committed
1095
    d->queueShutdownInferior();
hjk's avatar
hjk committed
1096
1097
1098
1099
}

void DebuggerEngine::notifyEngineRunAndInferiorRunOk()
{
hjk's avatar
hjk committed
1100
    showMessage(_("NOTE: ENGINE RUN AND INFERIOR RUN OK"));
hjk's avatar
hjk committed
1101
1102
1103
1104
1105
1106
1107
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
    setState(InferiorRunRequested);
    notifyInferiorRunOk();
}

void DebuggerEngine::notifyEngineRunAndInferiorStopOk()
{
hjk's avatar
hjk committed
1108
    showMessage(_("NOTE: ENGINE RUN AND INFERIOR STOP OK"));
hjk's avatar
hjk committed
1109
1110
1111
1112
1113
1114
1115
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
    setState(InferiorStopRequested);
    notifyInferiorStopOk();
}

void DebuggerEngine::notifyInferiorRunRequested()
{
hjk's avatar
hjk committed
1116
    showMessage(_("NOTE: INFERIOR RUN REQUESTED"));
hjk's avatar
hjk committed
1117
1118
1119
1120
1121
1122
    QTC_ASSERT(state() == InferiorStopOk, qDebug() << state());
    setState(InferiorRunRequested);
}

void DebuggerEngine::notifyInferiorRunOk()
{
hjk's avatar
hjk committed
1123
    showMessage(_("NOTE: INFERIOR RUN OK"));
hjk's avatar
hjk committed
1124
1125
1126
1127
1128
1129
    QTC_ASSERT(state() == InferiorRunRequested, qDebug() << state());
    setState(InferiorRunOk);
}

void DebuggerEngine::notifyInferiorRunFailed()
{
hjk's avatar
hjk committed
1130
    showMessage(_("NOTE: INFERIOR RUN FAILED"));
hjk's avatar
hjk committed
1131
1132
1133
    QTC_ASSERT(state() == InferiorRunRequested, qDebug() << state());
    setState(InferiorRunFailed);
    setState(InferiorStopOk);
hjk's avatar
hjk committed
1134
1135
    if (isDying())
        d->queueShutdownInferior();
hjk's avatar
hjk committed
1136
1137
1138
1139
}

void DebuggerEngine::notifyInferiorStopOk()
{
hjk's avatar
hjk committed
1140
1141
    showMessage(_("NOTE: INFERIOR STOP OK"));
    // Ignore spurious notifications after we are set to die.
hjk's avatar
hjk committed
1142
    if (isDying()) {
hjk's avatar
hjk committed
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
        showMessage(_("NOTE: ... WHILE DYING. "));
        // Forward state to "StopOk" if needed.
        if (state() == InferiorStopRequested
                || state() == InferiorRunRequested
                || state() == InferiorRunOk) {
            showMessage(_("NOTE: ... FORWARDING TO 'STOP OK'. "));
            setState(InferiorStopOk);
        }
        if (state() == InferiorStopOk || state() == InferiorStopFailed) {
            d->queueShutdownInferior();
        }
        showMessage(_("NOTE: ... IGNORING STOP MESSAGE"));
        return;
hjk's avatar
hjk committed
1156
    }
hjk's avatar
hjk committed
1157
1158
    QTC_ASSERT(state() == InferiorStopRequested, qDebug() << state());
    setState(InferiorStopOk);
hjk's avatar
hjk committed
1159
1160
}

hjk's avatar
hjk committed
1161
void DebuggerEngine::notifyInferiorSpontaneousStop()
1162
{
hjk's avatar
hjk committed
1163
    showMessage(_("NOTE: INFERIOR SPONTANEOUES STOP"));
hjk's avatar
hjk committed
1164
1165
    QTC_ASSERT(state() == InferiorRunOk, qDebug() << state());
    setState(InferiorStopOk);
1166
1167
}

hjk's avatar
hjk committed
1168
void DebuggerEngine::notifyInferiorStopFailed()
1169
{
hjk's avatar
hjk committed
1170
    showMessage(_("NOTE: INFERIOR STOP FAILED"));
hjk's avatar
hjk committed
1171
1172
    QTC_ASSERT(state() == InferiorStopRequested, qDebug() << state());
    setState(InferiorStopFailed);
hjk's avatar
hjk committed
1173
    d->queueShutdownEngine();
1174
1175
1176
1177
}

void DebuggerEnginePrivate::doInterruptInferior()
{
hjk's avatar
hjk committed
1178
1179
    QTC_ASSERT(state() == InferiorRunOk, qDebug() << state());
    m_engine->setState(InferiorStopRequested);
hjk's avatar
hjk committed
1180
    m_engine->showMessage(_("CALL: INTERRUPT INFERIOR"));
1181
1182
1183
    m_engine->interruptInferior();
}

hjk's avatar
hjk committed
1184
1185
1186
1187
void DebuggerEnginePrivate::doShutdownInferior()
{
    m_engine->resetLocation();
    m_targetState = DebuggerFinished;
hjk's avatar
hjk committed
1188
    m_engine->showMessage(_("CALL: SHUTDOWN INFERIOR"));
hjk's avatar
hjk committed
1189
1190
1191
1192
1193
1194
    m_engine->shutdownInferior();
}

void DebuggerEngine::notifyInferiorShutdownOk()
{
    showMessage(_("INFERIOR SUCCESSFULLY SHUT DOWN"));
hjk's avatar
hjk committed
1195
    QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << state());
hjk's avatar
hjk committed
1196
1197
    d->m_lastGoodState = DebuggerNotReady; // A "neutral" value.
    setState(InferiorShutdownOk);
hjk's avatar
hjk committed
1198
    d->queueShutdownEngine();
hjk's avatar
hjk committed
1199
1200
1201
1202
1203
}

void DebuggerEngine::notifyInferiorShutdownFailed()
{
    showMessage(_("INFERIOR SHUTDOWN FAILED"));
Friedemann Kleint's avatar
Friedemann Kleint committed
1204
    QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << this << state());
hjk's avatar
hjk committed
1205
    setState(InferiorShutdownFailed);
hjk's avatar
hjk committed
1206
    d->queueShutdownEngine();
hjk's avatar
hjk committed
1207
1208
1209
1210
}

void DebuggerEngine::notifyInferiorIll()
{
hjk's avatar
hjk committed
1211
    showMessage(_("NOTE: INFERIOR ILL"));
hjk's avatar
hjk committed
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
    // This can be issued in almost any state. The inferior could still be
    // alive as some previous notifications might have been bogus.
    d->m_targetState = DebuggerFinished;
    d->m_lastGoodState = d->m_state;
    if (state() == InferiorRunRequested) {
        // We asked for running, but did not see a response.
        // Assume the inferior is dead.
        // FIXME: Use timeout?
        setState(InferiorRunFailed);
        setState(InferiorStopOk);
    }
hjk's avatar
hjk committed
1223
    d->queueShutdownInferior();
hjk's avatar
hjk committed
1224
1225
1226
1227
}

void DebuggerEnginePrivate::doShutdownEngine()
{
Friedemann Kleint's avatar
Friedemann Kleint committed
1228
1229
    QTC_ASSERT(state() == EngineShutdownRequested
           || state() == InferiorShutdownOk, qDebug() << state());
hjk's avatar
hjk committed
1230
    m_targetState = DebuggerFinished;
hjk's avatar
hjk committed
1231
    m_engine->showMessage(_("CALL: SHUTDOWN ENGINE"));
hjk's avatar
hjk committed
1232
1233
1234
1235
1236
    m_engine->shutdownEngine();
}

void DebuggerEngine::notifyEngineShutdownOk()
{
hjk's avatar
hjk committed
1237
    showMessage(_("NOTE: ENGINE SHUTDOWN OK"));
hjk's avatar
hjk committed
1238
1239
1240
1241
1242
1243
    QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << state());
    setState(EngineShutdownOk);
    QTimer::singleShot(0, d, SLOT(doFinishDebugger()));
}

void DebuggerEngine::notifyEngineShutdownFailed()
hjk's avatar
hjk committed
1244
{
hjk's avatar
hjk committed
1245
    showMessage(_("NOTE: ENGINE SHUTDOWN FAILED"));
hjk's avatar
hjk committed
1246
1247
1248
1249
1250
1251
1252
    QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << state());
    setState(EngineShutdownFailed);
    QTimer::singleShot(0, d, SLOT(doFinishDebugger()));
}

void DebuggerEnginePrivate::doFinishDebugger()
{
hjk's avatar
hjk committed
1253
    m_engine->showMessage(_("NOTE: FINISH DEBUGGER"));
hjk's avatar
hjk committed
1254
1255
1256
1257
1258
1259
1260
1261
1262
    QTC_ASSERT(state() == EngineShutdownOk
        || state() == EngineShutdownFailed, qDebug() << state());
    m_engine->resetLocation();
    m_engine->setState(DebuggerFinished);
    m_runControl->debuggingFinished();
}

void DebuggerEngine::notifyEngineIll()
{
hjk's avatar
hjk committed
1263
    showMessage(_("NOTE: ENGINE ILL ******"));
hjk's avatar
hjk committed
1264
1265
    d->m_targetState = DebuggerFinished;
    d->m_lastGoodState = d->m_state;
hjk's avatar
hjk committed
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
    switch (state()) {
        case InferiorRunRequested:
        case InferiorRunOk:
        case InferiorStopRequested:
        case InferiorStopOk:
            qDebug() << "FORWARDING STATE TO " << InferiorShutdownFailed;
            setState(InferiorShutdownFailed, true);
            break;
        default:
            break;
hjk's avatar
hjk committed
1276
    }
hjk's avatar
hjk committed
1277
    d->queueShutdownEngine();
hjk's avatar
hjk committed
1278
1279
1280
1281
}

void DebuggerEngine::notifyEngineSpontaneousShutdown()
{
hjk's avatar
hjk committed
1282
1283
    showMessage(_("NOTE: ENGINE SPONTANEOUS SHUTDOWN"));
    d->queueFinishDebugger();
hjk's avatar
hjk committed
1284
1285
1286
1287
}

void DebuggerEngine::notifyInferiorExited()
{
hjk's avatar
hjk committed
1288
    showMessage(_("NOTE: INFERIOR EXITED"));
hjk's avatar
hjk committed
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
    resetLocation();

    // This can be issued in almost any state. We assume, though,
    // that at this point of time the inferior is not running anymore,
    // even if stop notification were not issued or got lost.
    if (state() == InferiorRunOk) {
        setState(InferiorStopRequested);
        setState(InferiorStopOk);
    }
    setState(InferiorShutdownRequested);
    setState(InferiorShutdownOk);
1300
    d->queueShutdownEngine();
1301
1302
}

1303
1304
void DebuggerEngine::setState(DebuggerState state, bool forced)
{
1305
1306
    //qDebug() << "STATUS CHANGE: FROM " << stateName(d->m_state)
    //        << " TO " << stateName(state);
1307

1308
1309
1310
    DebuggerState oldState = d->m_state;
    d->m_state = state;

hjk's avatar
hjk committed
1311
1312
1313
    QString msg = _("State changed%5 from %1(%2) to %3(%4).")
     .arg(stateName(oldState)).arg(oldState).arg(stateName(state)).arg(state)
     .arg(forced ? " BY FORCE" : "");
1314
    if (!forced && !isAllowedTransition(oldState, state))
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
        qDebug() << "UNEXPECTED STATE TRANSITION: " << msg;

    showMessage(msg, LogDebug);
    plugin()->updateState(this);
}

bool DebuggerEngine::debuggerActionsEnabled() const
{
    return debuggerActionsEnabled(d->m_state);
}

bool DebuggerEngine::debuggerActionsEnabled(DebuggerState state)
{
    switch (state) {
hjk's avatar
hjk committed
1329
1330
    case InferiorSetupRequested:
    case InferiorRunOk:
1331
    case InferiorUnrunnable:
hjk's avatar
hjk committed
1332
    case InferiorStopOk:
1333
        return true;
hjk's avatar
hjk committed
1334
1335
1336
    case InferiorStopRequested:
    case InferiorRunRequested:
    case InferiorRunFailed:
1337
    case DebuggerNotReady:
hjk's avatar
hjk committed
1338
    case EngineSetupRequested:
1339
1340
    case EngineSetupOk:
    case EngineSetupFailed:
hjk's avatar
hjk committed
1341
1342
    case EngineRunRequested:
    case EngineRunFailed:
hjk's avatar
hjk committed
1343
    case InferiorSetupFailed:
1344
    case InferiorStopFailed:
hjk's avatar
hjk committed
1345
1346
    case InferiorShutdownRequested:
    case InferiorShutdownOk:
1347
    case InferiorShutdownFailed:
hjk's avatar
hjk committed
1348
1349
1350
1351
    case EngineShutdownRequested:
    case EngineShutdownOk:
    case EngineShutdownFailed:
    case DebuggerFinished:
hjk's avatar
hjk committed
1352
        return false;
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
    }
    return false;
}

void DebuggerEngine::notifyInferiorPid(qint64 pid)
{
    if (d->m_inferiorPid == pid)
        return;
    d->m_inferiorPid = pid;
    QTimer::singleShot(0, this, SLOT(raiseApplication()));
}

qint64 DebuggerEngine::inferiorPid() const
{
    return d->m_inferiorPid;
}

DebuggerPlugin *DebuggerEngine::plugin() const
{
    return DebuggerPlugin::instance();
}

void DebuggerEngine::raiseApplication()
{
    d->m_runControl->bringApplicationToForeground(d->m_inferiorPid);
}

void DebuggerEngine::openFile(const QString &fileName, int lineNumber)
{
    plugin()->gotoLocation(fileName, lineNumber, false);
}

bool DebuggerEngine::isReverseDebugging() const
{
    return plugin()->isReverseDebugging();
}

1390
1391
1392
1393
1394
1395
1396
bool DebuggerEngine::isActive() const
{
    return d->m_isActive && !isSessionEngine();
}

void DebuggerEngine::setActive(bool on)
{
1397
    //qDebug() << "SETTING ACTIVE" << this << on;
1398
1399
1400
1401
    d->m_isActive = on;
    //breakHandler()->updateMarkers();
}

hjk's avatar
hjk committed
1402
1403
1404
// called by DebuggerRunControl
void DebuggerEngine::quitDebugger()
{
hjk's avatar
hjk committed
1405
    showMessage("QUIT DEBUGGER REQUESTED");
hjk's avatar
hjk committed
1406
1407
1408
    shutdownInferior();
}

1409
1410
} // namespace Internal
} // namespace Debugger
1411
1412

#include "debuggerengine.moc"