qmlengine.cpp 28.3 KB
Newer Older
1 2 3 4 5 6 7 8
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
con's avatar
con committed
9
** No Commercial Usage
10
**
con's avatar
con committed
11 12 13 14
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
15 16 17 18 19 20 21 22 23 24
**
** 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.
**
con's avatar
con committed
25 26 27 28 29 30
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
31 32 33 34
**
**************************************************************************/

#include "qmlengine.h"
Lasse Holmstedt's avatar
Lasse Holmstedt committed
35
#include "qmladapter.h"
36

Friedemann Kleint's avatar
Friedemann Kleint committed
37
#include "debuggerstartparameters.h"
38
#include "debuggeractions.h"
39
#include "debuggerconstants.h"
hjk's avatar
hjk committed
40
#include "debuggercore.h"
41
#include "debuggerdialogs.h"
42
#include "debuggermainwindow.h"
hjk's avatar
hjk committed
43
#include "debuggerrunner.h"
44
#include "debuggerstringutils.h"
hjk's avatar
hjk committed
45
#include "debuggertooltip.h"
46

47 48 49 50 51 52 53
#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "stackhandler.h"
#include "watchhandler.h"
#include "watchutils.h"

Lasse Holmstedt's avatar
Lasse Holmstedt committed
54
#include <extensionsystem/pluginmanager.h>
55
#include <projectexplorer/applicationlauncher.h>
56

57
#include <utils/environment.h>
58 59 60 61 62 63 64 65 66 67 68 69 70
#include <utils/qtcassert.h>

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

#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QMainWindow>
#include <QtGui/QMessageBox>
#include <QtGui/QToolTip>
71
#include <QtGui/QTextDocument>
72 73

#include <QtNetwork/QTcpSocket>
74 75
#include <QtNetwork/QHostAddress>

76 77 78 79 80 81 82 83
#define DEBUG_QML 1
#if DEBUG_QML
#   define SDEBUG(s) qDebug() << s
#else
#   define SDEBUG(s)
#endif
# define XSDEBUG(s) qDebug() << s

Lasse Holmstedt's avatar
Lasse Holmstedt committed
84 85
enum {
    MaxConnectionAttempts = 50,
86
    ConnectionAttemptDefaultInterval = 200
Lasse Holmstedt's avatar
Lasse Holmstedt committed
87
};
88

89 90 91
namespace Debugger {
namespace Internal {

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
struct JSAgentBreakpointData
{
    QByteArray functionName;
    QByteArray fileName;
    qint32 lineNumber;
};

uint qHash(const JSAgentBreakpointData &b)
{
    return b.lineNumber ^ qHash(b.fileName);
}

QDataStream &operator<<(QDataStream &s, const JSAgentBreakpointData &data)
{
    return s << data.functionName << data.fileName << data.lineNumber;
}

QDataStream &operator>>(QDataStream &s, JSAgentBreakpointData &data)
{
    return s >> data.functionName >> data.fileName >> data.lineNumber;
}

bool operator==(const JSAgentBreakpointData &b1, const JSAgentBreakpointData &b2)
{
    return b1.lineNumber == b2.lineNumber && b1.fileName == b2.fileName;
}

typedef QSet<JSAgentBreakpointData> JSAgentBreakpoints;


122
static QDataStream &operator>>(QDataStream &s, WatchData &data)
123 124
{
    data = WatchData();
125 126 127 128 129 130 131 132
    QByteArray name;
    QByteArray value;
    QByteArray type;
    bool hasChildren = false;
    s >> data.exp >> name >> value >> type >> hasChildren >> data.id;
    data.name = QString::fromUtf8(name);
    data.setType(type, false);
    data.setValue(QString::fromUtf8(value));
133
    data.setHasChildren(hasChildren);
134
    data.setAllUnneeded();
135 136 137
    return s;
}

138
static QDataStream &operator>>(QDataStream &s, StackFrame &frame)
139 140 141 142 143 144 145
{
    frame = StackFrame();
    QByteArray function;
    QByteArray file;
    s >> function >> file >> frame.line;
    frame.function = QString::fromUtf8(function);
    frame.file = QString::fromUtf8(file);
146
    frame.usable = QFileInfo(frame.file).isReadable();
147 148 149
    return s;
}

hjk's avatar
hjk committed
150

151 152
class QmlEnginePrivate
{
153
public:
154
    explicit QmlEnginePrivate(QmlEngine *q);
155
    ~QmlEnginePrivate() { delete m_adapter; }
156

157
private:
158
    friend class QmlEngine;
159 160 161 162 163
    int m_ping;
    QmlAdapter *m_adapter;
    ProjectExplorer::ApplicationLauncher m_applicationLauncher;
};

164 165 166 167
QmlEnginePrivate::QmlEnginePrivate(QmlEngine *q)
    : m_ping(0), m_adapter(new QmlAdapter(q))
{}

168

169 170 171 172 173 174
///////////////////////////////////////////////////////////////////////
//
// QmlEngine
//
///////////////////////////////////////////////////////////////////////

175
QmlEngine::QmlEngine(const DebuggerStartParameters &startParameters)
176
    : DebuggerEngine(startParameters), d(new QmlEnginePrivate(this))
177
{
Friedemann Kleint's avatar
Friedemann Kleint committed
178
    setObjectName(QLatin1String("QmlEngine"));
179 180 181
}

QmlEngine::~QmlEngine()
182
{}
183

184
void QmlEngine::gotoLocation(const Location &loc0)
185
{
186
    Location loc = loc0;
187
    if (isShadowBuildProject())
188 189
        loc.setFileName(fromShadowBuildFilename(loc0.fileName()));
    DebuggerEngine::gotoLocation(loc);
190 191
}

hjk's avatar
hjk committed
192
void QmlEngine::setupInferior()
193
{
hjk's avatar
hjk committed
194
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
Lasse Holmstedt's avatar
Lasse Holmstedt committed
195

196
    if (startParameters().startMode == AttachToRemote) {
197
        requestRemoteSetup();
198 199
    } else {
        connect(&d->m_applicationLauncher, SIGNAL(processExited(int)),
hjk's avatar
hjk committed
200
                SLOT(disconnected()));
hjk's avatar
hjk committed
201 202
        connect(&d->m_applicationLauncher, SIGNAL(appendMessage(QString,ProjectExplorer::OutputFormat)),
                SLOT(appendMessage(QString,ProjectExplorer::OutputFormat)));
203 204 205 206 207 208 209 210
        connect(&d->m_applicationLauncher, SIGNAL(bringToForegroundRequested(qint64)),
                runControl(), SLOT(bringApplicationToForeground(qint64)));

        d->m_applicationLauncher.setEnvironment(startParameters().environment);
        d->m_applicationLauncher.setWorkingDirectory(startParameters().workingDirectory);

        notifyInferiorSetupOk();
    }
hjk's avatar
hjk committed
211
}
hjk's avatar
hjk committed
212

213
void QmlEngine::appendMessage(const QString &msg, ProjectExplorer::OutputFormat /* format */)
hjk's avatar
hjk committed
214
{
hjk's avatar
hjk committed
215
    showMessage(msg, AppStuff); // FIXME: Redirect to RunControl
hjk's avatar
hjk committed
216 217
}

Lasse Holmstedt's avatar
Lasse Holmstedt committed
218 219 220 221
void QmlEngine::connectionEstablished()
{
    attemptBreakpointSynchronization();

222 223
    ExtensionSystem::PluginManager *pluginManager =
        ExtensionSystem::PluginManager::instance();
224
    pluginManager->addObject(d->m_adapter);
225
    pluginManager->addObject(this);
Lasse Holmstedt's avatar
Lasse Holmstedt committed
226

227
    showMessage(tr("QML Debugger connected."), StatusBar);
Lasse Holmstedt's avatar
Lasse Holmstedt committed
228 229

    notifyEngineRunAndInferiorRunOk();
230

Lasse Holmstedt's avatar
Lasse Holmstedt committed
231 232 233 234
}

void QmlEngine::connectionStartupFailed()
{
235 236 237 238
    QMessageBox::critical(0, tr("Failed to connect to debugger"),
        tr("Could not connect to QML debugger server at %1:%2.")
        .arg(startParameters().qmlServerAddress)
        .arg(startParameters().qmlServerPort));
Lasse Holmstedt's avatar
Lasse Holmstedt committed
239 240 241
    notifyEngineRunFailed();
}

242
void QmlEngine::connectionError(QAbstractSocket::SocketError socketError)
Lasse Holmstedt's avatar
Lasse Holmstedt committed
243
{
244
    if (socketError ==QAbstractSocket::RemoteHostClosedError)
245
        showMessage(tr("QML Debugger: Remote host closed connection."), StatusBar);
Lasse Holmstedt's avatar
Lasse Holmstedt committed
246 247
}

248 249 250

void QmlEngine::serviceConnectionError(const QString &serviceName)
{
251 252
    showMessage(tr("QML Debugger: Could not connect to service '%1'.")
        .arg(serviceName), StatusBar);
253 254
}

255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272
void QmlEngine::pauseConnection()
{
    d->m_adapter->pauseConnection();
}

void QmlEngine::closeConnection()
{
    ExtensionSystem::PluginManager *pluginManager = ExtensionSystem::PluginManager::instance();
    if (pluginManager->allObjects().contains(this)) {
        disconnect(d->m_adapter, SIGNAL(connectionStartupFailed()), this, SLOT(connectionStartupFailed()));
        d->m_adapter->closeConnection();

        pluginManager->removeObject(d->m_adapter);
        pluginManager->removeObject(this);
    }
}


hjk's avatar
hjk committed
273 274 275
void QmlEngine::runEngine()
{
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
Lasse Holmstedt's avatar
Lasse Holmstedt committed
276

277 278 279 280 281 282 283 284 285 286
    if (!isSlaveEngine()) {
        startApplicationLauncher();
    }

    d->m_adapter->beginConnection();
}

void QmlEngine::startApplicationLauncher()
{
    if (!d->m_applicationLauncher.isRunning()) {
287
        d->m_applicationLauncher.start(ProjectExplorer::ApplicationLauncher::Gui,
288 289 290
                                    startParameters().executable,
                                    startParameters().processArgs);
    }
291
}
Lasse Holmstedt's avatar
Lasse Holmstedt committed
292

293 294 295 296 297 298
void QmlEngine::stopApplicationLauncher()
{
    if (d->m_applicationLauncher.isRunning()) {
        disconnect(&d->m_applicationLauncher, SIGNAL(processExited(int)), this, SLOT(disconnected()));
        d->m_applicationLauncher.stop();
    }
299 300
}

301
void QmlEngine::handleRemoteSetupDone(int port)
302
{
303 304
    if (port != -1)
        startParameters().qmlServerPort = port;
305 306 307 308 309 310 311 312 313 314
    notifyInferiorSetupOk();
}

void QmlEngine::handleRemoteSetupFailed(const QString &message)
{
    QMessageBox::critical(0,tr("Failed to start application"),
        tr("Application startup failed: %1").arg(message));
    notifyInferiorSetupFailed();
}

hjk's avatar
hjk committed
315
void QmlEngine::shutdownInferior()
316
{
317 318
    if (isSlaveEngine()) {
        resetLocation();
Lasse Holmstedt's avatar
Lasse Holmstedt committed
319
    }
320
    stopApplicationLauncher();
hjk's avatar
hjk committed
321 322 323 324 325
    notifyInferiorShutdownOk();
}

void QmlEngine::shutdownEngine()
{
326
    closeConnection();
Lasse Holmstedt's avatar
Lasse Holmstedt committed
327

328 329
    // double check (ill engine?):
    stopApplicationLauncher();
Lasse Holmstedt's avatar
Lasse Holmstedt committed
330

331
    notifyEngineShutdownOk();
332 333
    if (!isSlaveEngine())
        showMessage(QString(), StatusBar);
334 335
}

hjk's avatar
hjk committed
336
void QmlEngine::setupEngine()
337
{
338 339 340
    d->m_adapter->setMaxConnectionAttempts(MaxConnectionAttempts);
    d->m_adapter->setConnectionAttemptInterval(ConnectionAttemptDefaultInterval);
    connect(d->m_adapter, SIGNAL(connectionError(QAbstractSocket::SocketError)),
hjk's avatar
hjk committed
341 342 343 344 345 346 347
        SLOT(connectionError(QAbstractSocket::SocketError)));
    connect(d->m_adapter, SIGNAL(serviceConnectionError(QString)),
        SLOT(serviceConnectionError(QString)));
    connect(d->m_adapter, SIGNAL(connected()),
        SLOT(connectionEstablished()));
    connect(d->m_adapter, SIGNAL(connectionStartupFailed()),
        SLOT(connectionStartupFailed()));
Lasse Holmstedt's avatar
Lasse Holmstedt committed
348

349
    notifyEngineSetupOk();
350 351
}

352 353
void QmlEngine::continueInferior()
{
hjk's avatar
hjk committed
354
    QTC_ASSERT(state() == InferiorStopOk, qDebug() << state());
355 356
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
357 358 359
    QByteArray cmd = "CONTINUE";
    rs << cmd;
    logMessage(LogSend, cmd);
360
    sendMessage(reply);
361
    resetLocation();
hjk's avatar
hjk committed
362 363
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
364 365 366 367
}

void QmlEngine::interruptInferior()
{
368 369
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
370 371 372
    QByteArray cmd = "INTERRUPT";
    rs << cmd;
    logMessage(LogSend, cmd);
373
    sendMessage(reply);
374
    notifyInferiorStopOk();
375 376 377 378
}

void QmlEngine::executeStep()
{
379 380
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
381 382 383
    QByteArray cmd = "STEPINTO";
    rs << cmd;
    logMessage(LogSend, cmd);
384
    sendMessage(reply);
hjk's avatar
hjk committed
385 386
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
387 388 389 390
}

void QmlEngine::executeStepI()
{
391 392
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
393 394 395
    QByteArray cmd = "STEPINTO";
    rs << cmd;
    logMessage(LogSend, cmd);
396
    sendMessage(reply);
hjk's avatar
hjk committed
397 398
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
399 400 401 402
}

void QmlEngine::executeStepOut()
{
403 404
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
405 406 407
    QByteArray cmd = "STEPOUT";
    rs << cmd;
    logMessage(LogSend, cmd);
408
    sendMessage(reply);
hjk's avatar
hjk committed
409 410
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
411 412 413 414
}

void QmlEngine::executeNext()
{
415 416
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
417 418 419
    QByteArray cmd = "STEPOVER";
    rs << cmd;
    logMessage(LogSend, cmd);
420
    sendMessage(reply);
hjk's avatar
hjk committed
421 422
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
423 424 425 426
}

void QmlEngine::executeNextI()
{
427
    SDEBUG("QmlEngine::executeNextI()");
428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
}

void QmlEngine::executeRunToLine(const QString &fileName, int lineNumber)
{
    Q_UNUSED(fileName)
    Q_UNUSED(lineNumber)
    SDEBUG("FIXME:  QmlEngine::executeRunToLine()");
}

void QmlEngine::executeRunToFunction(const QString &functionName)
{
    Q_UNUSED(functionName)
    XSDEBUG("FIXME:  QmlEngine::executeRunToFunction()");
}

void QmlEngine::executeJumpToLine(const QString &fileName, int lineNumber)
{
    Q_UNUSED(fileName)
    Q_UNUSED(lineNumber)
    XSDEBUG("FIXME:  QmlEngine::executeJumpToLine()");
}

void QmlEngine::activateFrame(int index)
{
452 453
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
454 455 456 457
    QByteArray cmd = "ACTIVATE_FRAME";
    rs << cmd
       << index;
    logMessage(LogSend, QString("%1 %2").arg(QString(cmd), QString::number(index)));
458
    sendMessage(reply);
459
    gotoLocation(stackHandler()->frames().value(index));
460 461 462 463 464 465 466 467 468
}

void QmlEngine::selectThread(int index)
{
    Q_UNUSED(index)
}

void QmlEngine::attemptBreakpointSynchronization()
{
hjk's avatar
hjk committed
469
    BreakHandler *handler = breakHandler();
470 471 472 473 474 475 476

    foreach (BreakpointId id, handler->unclaimedBreakpointIds()) {
        // Take ownership of the breakpoint. Requests insertion.
        if (acceptsBreakpoint(id))
            handler->setEngine(id, this);
    }

hjk's avatar
hjk committed
477 478
    JSAgentBreakpoints breakpoints;
    foreach (BreakpointId id, handler->engineBreakpointIds(this)) {
479 480 481 482 483 484 485 486
        if (handler->state(id) == BreakpointRemoveRequested) {
            handler->notifyBreakpointRemoveProceeding(id);
            handler->notifyBreakpointRemoveOk(id);
        } else {
            if (handler->state(id) == BreakpointInsertRequested) {
                handler->notifyBreakpointInsertProceeding(id);
            }
            QString processedFilename = handler->fileName(id);
487
#ifdef Q_OS_MACX
488 489 490 491
            // Qt Quick Applications by default copy the qml directory to buildDir()/X.app/Contents/Resources
            const QString applicationBundleDir
                    = QFileInfo(startParameters().executable).absolutePath() + "/../..";
            processedFilename = mangleFilenamePaths(handler->fileName(id), startParameters().projectDir, applicationBundleDir + "/Contents/Resources");
492
#endif
493 494 495 496 497 498 499 500 501 502 503
            if (isShadowBuildProject())
                processedFilename = toShadowBuildFilename(processedFilename);
            JSAgentBreakpointData bp;
            bp.fileName = processedFilename.toUtf8();
            bp.lineNumber = handler->lineNumber(id);
            bp.functionName = handler->functionName(id).toUtf8();
            breakpoints.insert(bp);
            if (handler->state(id) == BreakpointInsertProceeding) {
                handler->notifyBreakpointInsertOk(id);
            }
        }
504 505 506 507
    }

    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
508 509 510 511 512 513 514 515 516 517 518
    QByteArray cmd = "BREAKPOINTS";
    rs << cmd
       << breakpoints;

    QStringList breakPointsStr;
    foreach (const JSAgentBreakpointData &bp, breakpoints) {
        breakPointsStr << QString("('%1' '%2' %3)").arg(QString(bp.functionName),
                                  QString(bp.fileName), QString::number(bp.lineNumber));
    }
    logMessage(LogSend, QString("%1 [%2]").arg(QString(cmd), breakPointsStr.join(", ")));

519
    sendMessage(reply);
520 521
}

522
bool QmlEngine::acceptsBreakpoint(BreakpointId id) const
523
{
524
    return !DebuggerEngine::isCppBreakpoint(breakHandler()->breakpointData(id));
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
void QmlEngine::loadSymbols(const QString &moduleName)
{
    Q_UNUSED(moduleName)
}

void QmlEngine::loadAllSymbols()
{
}

void QmlEngine::reloadModules()
{
}

void QmlEngine::requestModuleSymbols(const QString &moduleName)
{
    Q_UNUSED(moduleName)
}

//////////////////////////////////////////////////////////////////////
//
// Tooltip specific stuff
//
//////////////////////////////////////////////////////////////////////

hjk's avatar
hjk committed
551 552
void QmlEngine::setToolTipExpression(const QPoint &mousePos,
    TextEditor::ITextEditor *editor, int cursorPos)
553
{
hjk's avatar
hjk committed
554 555
    // This is processed by QML inspector, which has dependencies to 
    // the qml js editor. Makes life easier.
556
    emit tooltipRequested(mousePos, editor, cursorPos);
557 558 559 560 561 562 563 564
}

//////////////////////////////////////////////////////////////////////
//
// Watch specific stuff
//
//////////////////////////////////////////////////////////////////////

hjk's avatar
hjk committed
565
void QmlEngine::assignValueInDebugger(const WatchData *,
hjk's avatar
hjk committed
566
    const QString &expression, const QVariant &valueV)
567
{
568 569 570 571 572 573 574 575
    QRegExp inObject("@([0-9a-fA-F]+)->(.+)");
    if (inObject.exactMatch(expression)) {
        bool ok = false;
        quint64 objectId = inObject.cap(1).toULongLong(&ok, 16);
        QString property = inObject.cap(2);
        if (ok && objectId > 0 && !property.isEmpty()) {
            QByteArray reply;
            QDataStream rs(&reply, QIODevice::WriteOnly);
576 577
            QByteArray cmd = "SET_PROPERTY";
            rs << cmd;
578
            rs << expression.toUtf8() << objectId << property << valueV.toString();
579 580 581
            logMessage(LogSend, QString("%1 %2 %3 %4 %5").arg(
                                 QString(cmd), QString::number(objectId), QString(property),
                                 valueV.toString()));
582 583 584
            sendMessage(reply);
        }
    }
585 586
}

hjk's avatar
hjk committed
587 588
void QmlEngine::updateWatchData(const WatchData &data,
    const WatchUpdateFlags &)
589
{
Olivier Goffart's avatar
Olivier Goffart committed
590
//    qDebug() << "UPDATE WATCH DATA" << data.toString();
591
    //watchHandler()->rebuildModel();
592
    showStatusMessage(tr("Stopped."), 5000);
593

594
    if (!data.name.isEmpty() && data.isValueNeeded()) {
595 596
        QByteArray reply;
        QDataStream rs(&reply, QIODevice::WriteOnly);
597 598
        QByteArray cmd = "EXEC";
        rs << cmd;
599
        rs << data.iname << data.name;
600 601
        logMessage(LogSend, QString("%1 %2 %3").arg(QString(cmd), QString(data.iname),
                                                          QString(data.name)));
602 603 604
        sendMessage(reply);
    }

605 606
    if (!data.name.isEmpty() && data.isChildrenNeeded()
            && watchHandler()->isExpandedIName(data.iname))
Arvid Ephraim Picciani's avatar
Arvid Ephraim Picciani committed
607
        expandObject(data.iname, data.id);
608

609 610 611
    {
        QByteArray reply;
        QDataStream rs(&reply, QIODevice::WriteOnly);
612 613
        QByteArray cmd = "WATCH_EXPRESSIONS";
        rs << cmd;
614
        rs << watchHandler()->watchedExpressions();
615 616
        logMessage(LogSend, QString("%1 %2").arg(
                             QString(cmd), watchHandler()->watchedExpressions().join(", ")));
617 618
        sendMessage(reply);
    }
619 620 621

    if (!data.isSomethingNeeded())
        watchHandler()->insertData(data);
622 623
}

624
void QmlEngine::expandObject(const QByteArray &iname, quint64 objectId)
625 626 627
{
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
628 629
    QByteArray cmd = "EXPAND";
    rs << cmd;
630
    rs << iname << objectId;
631 632
    logMessage(LogSend, QString("%1 %2 %3").arg(QString(cmd), QString(iname),
                                                      QString::number(objectId)));
633 634 635
    sendMessage(reply);
}

636 637
void QmlEngine::sendPing()
{
638
    d->m_ping++;
639 640
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
641 642
    QByteArray cmd = "PING";
    rs << cmd;
643
    rs << d->m_ping;
644
    logMessage(LogSend, QString("%1 %2").arg(QString(cmd), QString::number(d->m_ping)));
645 646 647
    sendMessage(reply);
}

648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664
DebuggerEngine *createQmlEngine(const DebuggerStartParameters &sp)
{
    return new QmlEngine(sp);
}

unsigned QmlEngine::debuggerCapabilities() const
{
    return AddWatcherCapability;
    /*ReverseSteppingCapability | SnapshotCapability
        | AutoDerefPointersCapability | DisassemblerCapability
        | RegisterCapability | ShowMemoryCapability
        | JumpToLineCapability | ReloadModuleCapability
        | ReloadModuleSymbolsCapability | BreakOnThrowAndCatchCapability
        | ReturnFromFunctionCapability
        | CreateFullBacktraceCapability
        | WatchpointCapability
        | AddWatcherCapability;*/
665 666 667 668 669 670 671 672 673 674
}

void QmlEngine::messageReceived(const QByteArray &message)
{
    QByteArray rwData = message;
    QDataStream stream(&rwData, QIODevice::ReadOnly);

    QByteArray command;
    stream >> command;

675
    if (command == "STOPPED") {
676
        if (state() == InferiorRunOk)
677
            notifyInferiorSpontaneousStop();
678

679 680
        QString logString = QString(command);

hjk's avatar
hjk committed
681 682 683
        StackFrames stackFrames;
        QList<WatchData> watches;
        QList<WatchData> locals;
684
        stream >> stackFrames >> watches >> locals;
685

con's avatar
con committed
686 687 688
        logString += QLatin1String(" (") + QString::number(stackFrames.size()) + QLatin1String(" stack frames)");
        logString += QLatin1String(" (") + QString::number(watches.size()) + QLatin1String(" watches)");
        logString += QLatin1String(" (") + QString::number(locals.size()) + QLatin1String(" locals)");
689

690 691
        for (int i = 0; i != stackFrames.size(); ++i)
            stackFrames[i].level = i + 1;
692

693
        gotoLocation(stackFrames.value(0));
694 695 696
        stackHandler()->setFrames(stackFrames);

        watchHandler()->beginCycle();
697
        bool needPing = false;
698

hjk's avatar
hjk committed
699
        foreach (WatchData data, watches) {
700
            data.iname = watchHandler()->watcherName(data.exp);
701
            watchHandler()->insertData(data);
702

703 704
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
Arvid Ephraim Picciani's avatar
Arvid Ephraim Picciani committed
705
                expandObject(data.iname, data.id);
706
            }
707 708
        }

hjk's avatar
hjk committed
709
        foreach (WatchData data, locals) {
710 711
            data.iname = "local." + data.exp;
            watchHandler()->insertData(data);
712

713 714
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
Arvid Ephraim Picciani's avatar
Arvid Ephraim Picciani committed
715
                expandObject(data.iname, data.id);
716
            }
hjk's avatar
hjk committed
717 718
        }

719 720 721 722
        if (needPing)
            sendPing();
        else
            watchHandler()->endCycle();
723

724 725
        bool becauseOfException;
        stream >> becauseOfException;
726 727 728

        logString += becauseOfException ? " exception" : " no_exception";

729
        if (becauseOfException) {
730 731 732
            QString error;
            stream >> error;

con's avatar
con committed
733
            logString += QLatin1String(" ") + error;
734 735
            logMessage(LogReceive, logString);

736 737 738
            QString msg =
                tr("<p>An Uncaught Exception occured in <i>%1</i>:</p><p>%2</p>")
                    .arg(stackFrames.value(0).file, Qt::escape(error));
739
            showMessageBox(QMessageBox::Information, tr("Uncaught Exception"), msg);
740 741 742 743 744
        } else {
            //
            // Make breakpoint non-pending
            //
            QString file;
745
            QString function;
746 747 748 749 750
            int line = -1;

            if (!stackFrames.isEmpty()) {
                file = stackFrames.at(0).file;
                line = stackFrames.at(0).line;
751
                function = stackFrames.at(0).function;
752 753 754 755 756

                if (isShadowBuildProject()) {
                    file = fromShadowBuildFilename(file);
                }
            }
757

hjk's avatar
hjk committed
758 759 760 761
            BreakHandler *handler = breakHandler();
            foreach (BreakpointId id, handler->engineBreakpointIds(this)) {
                QString processedFilename = handler->fileName(id);
                if (processedFilename == file && handler->lineNumber(id) == line) {
762
                    QTC_ASSERT(handler->state(id) == BreakpointInserted,/**/);
hjk's avatar
hjk committed
763
                    BreakpointResponse br = handler->response(id);
764 765 766
                    br.fileName = file;
                    br.lineNumber = line;
                    br.functionName = function;
hjk's avatar
hjk committed
767
                    handler->setResponse(id, br);
768 769
                }
            }
770 771

            logMessage(LogReceive, logString);
772
        }
773
    } else if (command == "RESULT") {
hjk's avatar
hjk committed
774
        WatchData data;
775 776
        QByteArray iname;
        stream >> iname >> data;
777 778 779

        logMessage(LogReceive, QString("%1 %2 %3").arg(QString(command),
                                                             QString(iname), QString(data.value)));
780
        data.iname = iname;
781 782 783
        if (iname.startsWith("watch.")) {
            watchHandler()->insertData(data);
        } else if(iname == "console") {
784
            showMessage(data.value, ScriptConsoleOutput);
785 786 787
        } else {
            qWarning() << "QmlEngine: Unexcpected result: " << iname << data.value;
        }
788
    } else if (command == "EXPANDED") {
hjk's avatar
hjk committed
789
        QList<WatchData> result;
790 791
        QByteArray iname;
        stream >> iname >> result;
792 793 794

        logMessage(LogReceive, QString("%1 %2 (%3 x watchdata)").arg(
                             QString(command), QString(iname), QString::number(result.size())));
795
        bool needPing = false;
hjk's avatar
hjk committed
796
        foreach (WatchData data, result) {
797 798 799
            data.iname = iname + '.' + data.exp;
            watchHandler()->insertData(data);

800 801
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
Arvid Ephraim Picciani's avatar
Arvid Ephraim Picciani committed
802
                expandObject(data.iname, data.id);
803
            }
804
        }
805 806
        if (needPing)
            sendPing();
807
    } else if (command == "LOCALS") {
hjk's avatar
hjk committed
808
        QList<WatchData> locals;
809 810
        int frameId;
        stream >> frameId >> locals;
811 812 813 814

        logMessage(LogReceive, QString("%1 %2 (%3 x locals)").arg(
                             QString(command), QString::number(frameId),
                             QString::number(locals.size())));
815
        watchHandler()->beginCycle();
816
        bool needPing = false;
hjk's avatar
hjk committed
817
        foreach (WatchData data, locals) {
818 819
            data.iname = "local." + data.exp;
            watchHandler()->insertData(data);
820 821
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
Arvid Ephraim Picciani's avatar
Arvid Ephraim Picciani committed
822
                expandObject(data.iname, data.id);
823
            }
824
        }
825 826 827 828 829 830 831 832
        if (needPing)
            sendPing();
        else
            watchHandler()->endCycle();

    } else if (command == "PONG") {
        int ping;
        stream >> ping;
833 834 835

        logMessage(LogReceive, QString("%1 %2").arg(QString(command), QString::number(ping)));

836
        if (ping == d->m_ping)
837
            watchHandler()->endCycle();
838 839
    } else {
        qDebug() << Q_FUNC_INFO << "Unknown command: " << command;
840
        logMessage(LogReceive, QString("%1 UNKNOWN COMMAND!!").arg(QString(command)));
841 842 843
    }
}

844 845
void QmlEngine::disconnected()
{
846
    showMessage(tr("QML Debugger disconnected."), StatusBar);
847 848 849
    notifyInferiorExited();
}

850 851 852 853
void QmlEngine::executeDebuggerCommand(const QString& command)
{
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
854 855 856 857 858
    QByteArray cmd = "EXEC";
    QByteArray console = "console";
    rs << cmd << console << command;
    logMessage(LogSend, QString("%1 %2 %3").arg(QString(cmd), QString(console),
                                                      QString(command)));
859 860 861
    sendMessage(reply);
}

862 863
bool QmlEngine::isShadowBuildProject() const
{
hjk's avatar
hjk committed
864 865
    return !startParameters().projectBuildDir.isEmpty()
        && startParameters().projectDir != startParameters().projectBuildDir;
866 867 868 869
}

QString QmlEngine::qmlImportPath() const
{
870
    return startParameters().environment.value("QML_IMPORT_PATH");
871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
}

QString QmlEngine::toShadowBuildFilename(const QString &filename) const
{
    QString newFilename = filename;
    QString importPath = qmlImportPath();

    newFilename = mangleFilenamePaths(filename, startParameters().projectDir, startParameters().projectBuildDir);
    if (newFilename == filename && !importPath.isEmpty()) {
        newFilename = mangleFilenamePaths(filename, startParameters().projectDir, importPath);
    }

    return newFilename;
}

hjk's avatar
hjk committed
886 887
QString QmlEngine::mangleFilenamePaths(const QString &filename,
    const QString &oldBasePath, const QString &newBasePath) const
888 889 890 891 892 893 894
{
    QDir oldBaseDir(oldBasePath);
    QDir newBaseDir(newBasePath);
    QFileInfo fileInfo(filename);

    if (oldBaseDir.exists() && newBaseDir.exists() && fileInfo.exists()) {
        if (fileInfo.absoluteFilePath().startsWith(oldBaseDir.canonicalPath())) {
895
            QString fileRelativePath = fileInfo.canonicalFilePath().mid(oldBaseDir.canonicalPath().length());
896 897 898 899 900 901 902 903 904 905 906 907 908 909
            QFileInfo projectFile(newBaseDir.canonicalPath() + QLatin1Char('/') + fileRelativePath);

            if (projectFile.exists())
                return projectFile.canonicalFilePath();
        }
    }
    return filename;
}

QString QmlEngine::fromShadowBuildFilename(const QString &filename) const
{
    QString newFilename = filename;
    QString importPath = qmlImportPath();

910 911 912 913 914 915 916 917
#ifdef Q_OS_MACX
    // Qt Quick Applications by default copy the qml directory to buildDir()/X.app/Contents/Resources
    const QString applicationBundleDir
                = QFileInfo(startParameters().executable).absolutePath() + "/../..";
    newFilename = mangleFilenamePaths(newFilename, applicationBundleDir + "/Contents/Resources", startParameters().projectDir);
#endif
    newFilename = mangleFilenamePaths(newFilename, startParameters().projectBuildDir, startParameters().projectDir);