debuggerengine.cpp 30 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
91
92
93
94
95
96
97
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
123
124
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168


///////////////////////////////////////////////////////////////////////
//
// 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)
{
    return d << DebuggerEngine::stateName(state) << '(' << int(state) << ')';
}

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)
        SN(EngineStarting)
        SN(AdapterStarting)
        SN(AdapterStarted)
        SN(AdapterStartFailed)
        SN(InferiorStarting)
        SN(InferiorStartFailed)
        SN(InferiorRunningRequested)
        SN(InferiorRunningRequested_Kill)
        SN(InferiorRunning)
        SN(InferiorUnrunnable)
        SN(InferiorStopping)
        SN(InferiorStopping_Kill)
        SN(InferiorStopped)
        SN(InferiorStopFailed)
        SN(InferiorShuttingDown)
        SN(InferiorShutDown)
        SN(InferiorShutdownFailed)
        SN(EngineShuttingDown)
    }
    return "<unknown>";
#    undef SN
}

169

170
171
172
173
174
175
176
177
178
//////////////////////////////////////////////////////////////////////
//
// CommandHandler
//
//////////////////////////////////////////////////////////////////////

class CommandHandler : public QStandardItemModel
{
public:
179
    explicit CommandHandler(DebuggerEngine *engine) : m_engine(engine) {}
180
181
182
183
    bool setData(const QModelIndex &index, const QVariant &value, int role);
    QAbstractItemModel *model() { return this; }

private:
184
    QPointer<DebuggerEngine> m_engine;
185
186
};

187
bool CommandHandler::setData(const QModelIndex &, const QVariant &value, int role)
188
{
189
190
191
    QTC_ASSERT(m_engine, return false);
    m_engine->handleCommand(role, value);
    return true;
192
193
194
195
196
197
198
199
200
}


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

201
class DebuggerEnginePrivate : public QObject
202
{
203
204
    Q_OBJECT

205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
public:
    DebuggerEnginePrivate(DebuggerEngine *engine, const DebuggerStartParameters &sp)
      : m_engine(engine),
        m_runControl(0),
        m_startParameters(sp),
        m_state(DebuggerNotReady),
        m_breakHandler(engine),
        m_commandHandler(engine),
        m_modulesHandler(engine),
        m_registerHandler(engine),
        m_snapshotHandler(engine),
        m_sourceFilesHandler(engine),
        m_stackHandler(engine),
        m_threadsHandler(engine),
        m_watchHandler(engine),
        m_disassemblerViewAgent(engine)
    {}

223
224
225
226
227
public slots:
    void breakpointSetRemoveMarginActionTriggered();
    void breakpointEnableDisableMarginActionTriggered();
    void handleContextMenuRequest(const QVariant &parameters);

228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
public:
    DebuggerEngine *m_engine; // Not owned.
    DebuggerRunControl *m_runControl;  // Not owned.

    DebuggerStartParameters m_startParameters;
    DebuggerState m_state;

    qint64 m_inferiorPid;

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

249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
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);
    TextEditor::ITextEditor *editor = 
        (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);
    }
}
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343

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

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

DebuggerEngine::~DebuggerEngine()
{
}

344
void DebuggerEngine::showStatusMessage(const QString &msg, int timeout) const
345
{
346
    showMessage(msg, StatusBar, timeout);
347
}
348
349
350
351
352
353
354
355
356
357
358
359
360
361

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

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

        case RequestReloadModulesRole:
            reloadModules();
            break;

362
363
364
365
        case RequestReloadRegistersRole:
            reloadRegisters();
            break;

366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
        case RequestExecContinueRole:
            continueInferior();
            break;

        case RequestExecInterruptRole:
            interruptInferior();
            break;

        case RequestExecResetRole:
            //exec();
            break;

        case RequestExecStepRole:
            executeStepX();
            break;

        case RequestExecStepOutRole:
            executeStepOutX();
            break;

        case RequestExecNextRole:
            executeStepNextX();
            break;

        case RequestExecRunToLineRole:
hjk's avatar
hjk committed
391
            executeRunToLine();
392
393
394
            break;

        case RequestExecRunToFunctionRole:
hjk's avatar
hjk committed
395
            executeRunToFunction();
396
397
398
399
400
401
402
            break;

        case RequestExecReturnFromFunctionRole:
            executeReturnX();
            break;

        case RequestExecJumpToLineRole:
hjk's avatar
hjk committed
403
            executeJumpToLine();
404
405
406
            break;

        case RequestExecWatchRole:
hjk's avatar
hjk committed
407
            addToWatchWindow();
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
            break;

        case RequestExecExitRole:
            exitDebugger();
            break;

        case RequestExecSnapshotRole:
            makeSnapshot();
            break;

        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
433

434
435
436
437
438
439
440
441
442
        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;
        }

443
444
445
        case RequestToolTipByExpressionRole: {
            QList<QVariant> list = value.toList();
            QTC_ASSERT(list.size() == 3, break);
446
447
448
449
450
            QPoint point = list.at(0).value<QPoint>();
            TextEditor::ITextEditor *editor = // Eeks.
                (TextEditor::ITextEditor *)(list.at(1).value<quint64>());
            int pos = list.at(2).toInt(); 
            setToolTipExpression(point, editor, pos);
451
452
453
            break;
        }

454
        case RequestContextMenuRole: {
455
            QList<QVariant> list = value.toList();
456
457
            QTC_ASSERT(list.size() == 3, break);
            d->handleContextMenuRequest(list);
hjk's avatar
hjk committed
458
            break;
459
        }
460
    }
461
}
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
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
586
587
588
589
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

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;
}

SnapshotHandler *DebuggerEngine::snapshotHandler() const
{
    return &d->m_snapshotHandler;
}

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::snapshotModel() const
{
    return d->m_snapshotHandler.model();
}

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
{
    //qDebug() << channel << msg;
    d->m_runControl->showMessage(msg, channel);
    plugin()->showMessage(msg, channel, timeout);
}

void DebuggerEngine::startDebugger(DebuggerRunControl *runControl)
{
    QTC_ASSERT(runControl, startFailed(); return);
    QTC_ASSERT(!d->m_runControl, startFailed(); return);

    DebuggerEngine *sessionTemplate = plugin()->sessionTemplate();
    QTC_ASSERT(sessionTemplate, startFailed(); return);
    QTC_ASSERT(sessionTemplate != this, startFailed(); return);

    breakHandler()->initializeFromTemplate(sessionTemplate->breakHandler());
620
    watchHandler()->initializeFromTemplate(sessionTemplate->watchHandler());
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
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713

    d->m_runControl = runControl;

    QTC_ASSERT(state() == DebuggerNotReady, setState(DebuggerNotReady));

    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);

    startDebugger();
}

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
714
static TextEditor::ITextEditor *currentTextEditor()
715
{
hjk's avatar
hjk committed
716
717
718
719
720
    EditorManager *editorManager = EditorManager::instance();
    if (!editorManager)
        return 0;
    Core::IEditor *editor = editorManager->currentEditor();
    return qobject_cast<ITextEditor*>(editor);
721
722
}

hjk's avatar
hjk committed
723
void DebuggerEngine::executeRunToLine()
724
{
hjk's avatar
hjk committed
725
    ITextEditor *textEditor = currentTextEditor();
726
727
    QTC_ASSERT(textEditor, return);
    QString fileName = textEditor->file()->fileName();
hjk's avatar
hjk committed
728
729
    if (fileName.isEmpty())
        return;
730
    int lineNumber = textEditor->currentLine();
hjk's avatar
hjk committed
731
732
    resetLocation();
    executeRunToLine(fileName, lineNumber);
733
734
}

hjk's avatar
hjk committed
735
void DebuggerEngine::executeRunToFunction()
736
{
hjk's avatar
hjk committed
737
    ITextEditor *textEditor = currentTextEditor();
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
    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
762
763
764
765
    if (functionName.isEmpty())
        return;
    resetLocation();
    executeRunToFunction(functionName);
766
767
}

hjk's avatar
hjk committed
768
void DebuggerEngine::executeJumpToLine()
769
{
hjk's avatar
hjk committed
770
    ITextEditor *textEditor = currentTextEditor();
771
772
773
    QTC_ASSERT(textEditor, return);
    QString fileName = textEditor->file()->fileName();
    int lineNumber = textEditor->currentLine();
hjk's avatar
hjk committed
774
775
776
    if (fileName.isEmpty())
        return;
    executeJumpToLine(fileName, lineNumber);
777
778
}

hjk's avatar
hjk committed
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
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);
    }
802
803
804
    if (exp.isEmpty())
        return;
    watchHandler()->watchExpression(exp);
hjk's avatar
hjk committed
805
806
}

807
808
// Called from RunControl.
void DebuggerEngine::handleFinished()
809
810
811
812
813
{
    modulesHandler()->removeAll();
    stackHandler()->removeAll();
    threadsHandler()->removeAll();
    watchHandler()->cleanup();
814
815

    DebuggerEngine *sessionTemplate = plugin()->sessionTemplate();
816
817
    QTC_ASSERT(sessionTemplate != this, /**/);
    breakHandler()->storeToTemplate(sessionTemplate->breakHandler());
818
    watchHandler()->storeToTemplate(sessionTemplate->watchHandler());
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
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
960
961
962
963
964
965
966
}

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;
}

static bool isAllowedTransition(int from, int to)
{
    switch (from) {
    case -1:
        return to == DebuggerNotReady;

    case DebuggerNotReady:
        return to == EngineStarting || to == DebuggerNotReady;

    case EngineStarting:
        return to == AdapterStarting || to == DebuggerNotReady;

    case AdapterStarting:
        return to == AdapterStarted || to == AdapterStartFailed;
    case AdapterStarted:
        return to == InferiorStarting || to == EngineShuttingDown;
    case AdapterStartFailed:
        return to == DebuggerNotReady;

    case InferiorStarting:
        return to == InferiorRunningRequested || to == InferiorStopped
            || to == InferiorStartFailed || to == InferiorUnrunnable;
    case InferiorStartFailed:
        return to == EngineShuttingDown;

    case InferiorRunningRequested:
        return to == InferiorRunning || to == InferiorStopped
            || to == InferiorRunningRequested_Kill;
    case InferiorRunningRequested_Kill:
        return to == InferiorRunning || to == InferiorStopped;
    case InferiorRunning:
        return to == InferiorStopping;

    case InferiorStopping:
        return to == InferiorStopped || to == InferiorStopFailed
            || to == InferiorStopping_Kill;
    case InferiorStopping_Kill:
        return to == InferiorStopped || to == InferiorStopFailed;
    case InferiorStopped:
        return to == InferiorRunningRequested || to == InferiorShuttingDown;
    case InferiorStopFailed:
        return to == EngineShuttingDown;

    case InferiorUnrunnable:
        return to == EngineShuttingDown;
    case InferiorShuttingDown:
        return to == InferiorShutDown || to == InferiorShutdownFailed;
    case InferiorShutDown:
        return to == EngineShuttingDown;
    case InferiorShutdownFailed:
        return to == EngineShuttingDown;

    case EngineShuttingDown:
        return to == DebuggerNotReady;
    }

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

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

967
968
969
    DebuggerState oldState = d->m_state;
    d->m_state = state;

970
    QString msg = _("State changed from %1(%2) to %3(%4).")
971
972
     .arg(stateName(oldState)).arg(oldState).arg(stateName(state)).arg(state);
    if (!forced && !isAllowedTransition(oldState, state))
973
974
975
976
977
        qDebug() << "UNEXPECTED STATE TRANSITION: " << msg;

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

978
    if (state != oldState && state == DebuggerNotReady)
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
        d->m_runControl->debuggingFinished();
}

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

bool DebuggerEngine::debuggerActionsEnabled(DebuggerState state)
{
    switch (state) {
    case InferiorStarting:
    case InferiorRunningRequested:
    case InferiorRunning:
    case InferiorUnrunnable:
    case InferiorStopping:
    case InferiorStopped:
        return true;
    case DebuggerNotReady:
    case EngineStarting:
    case AdapterStarting:
    case AdapterStarted:
    case AdapterStartFailed:
    case InferiorStartFailed:
    case InferiorRunningRequested_Kill:
    case InferiorStopping_Kill:
    case InferiorStopFailed:
    case InferiorShuttingDown:
    case InferiorShutDown:
    case InferiorShutdownFailed:
    case EngineShuttingDown:
        break;
    }
    return false;
}

void DebuggerEngine::startFailed()
{
    // The concrete engines themselves are responsible for changing state.
    QTC_ASSERT(state() == DebuggerNotReady, setState(DebuggerNotReady));
    d->m_runControl->startFailed();
}

void DebuggerEngine::startSuccessful()
{
    d->m_runControl->startSuccessful();
}

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();
}

} // namespace Internal
} // namespace Debugger
1062
1063

#include "debuggerengine.moc"