src/plugins/debugger/qml/qmlengine.cpp

   1 /**************************************************************************
   2 **
   3 ** This file is part of Qt Creator
   4 **
   5 ** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
   6 **
   7 ** Contact: Nokia Corporation (info@qt.nokia.com)
   8 **
   9 **
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  11 **
  12 ** This file may be used under the terms of the GNU Lesser General Public
  13 ** License version 2.1 as published by the Free Software Foundation and
  14 ** appearing in the file LICENSE.LGPL included in the packaging of this file.
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  16 ** Public License version 2.1 requirements will be met:
  17 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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  19 ** In addition, as a special exception, Nokia gives you certain additional
  20 ** rights. These rights are described in the Nokia Qt LGPL Exception
  21 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  22 **
  23 ** Other Usage
  24 **
  25 ** Alternatively, this file may be used in accordance with the terms and
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  31 **************************************************************************/
  32
  33 #include "qmlengine.h"
  34 #include "qmladapter.h"
  35
  36 #include "debuggerstartparameters.h"
  37 #include "debuggeractions.h"
  38 #include "debuggerconstants.h"
  39 #include "debuggercore.h"
  40 #include "debuggerdialogs.h"
  41 #include "debuggermainwindow.h"
  42 #include "debuggerrunner.h"
  43 #include "debuggerstringutils.h"
  44 #include "debuggertooltipmanager.h"
  45
  46 #include "breakhandler.h"
  47 #include "moduleshandler.h"
  48 #include "registerhandler.h"
  49 #include "stackhandler.h"
  50 #include "watchhandler.h"
  51 #include "watchutils.h"
  52
  53 #include <extensionsystem/pluginmanager.h>
  54 #include <projectexplorer/applicationlauncher.h>
  55
  56 #include <utils/environment.h>
  57 #include <utils/qtcassert.h>
  58 #include <utils/fileinprojectfinder.h>
  59
  60 #include <coreplugin/icore.h>
  61 #include <coreplugin/helpmanager.h>
  62
  63 #include <QtCore/QDateTime>
  64 #include <QtCore/QDebug>
  65 #include <QtCore/QDir>
  66 #include <QtCore/QFileInfo>
  67 #include <QtCore/QTimer>
  68
  69 #include <QtGui/QAction>
  70 #include <QtGui/QApplication>
  71 #include <QtGui/QMainWindow>
  72 #include <QtGui/QMessageBox>
  73 #include <QtGui/QToolTip>
  74 #include <QtGui/QTextDocument>
  75
  76 #include <QtNetwork/QTcpSocket>
  77 #include <QtNetwork/QHostAddress>
  78
  79 #define DEBUG_QML 1
  80 #if DEBUG_QML
  81 #   define SDEBUG(s) qDebug() << s
  82 #else
  83 #   define SDEBUG(s)
  84 #endif
  85 # define XSDEBUG(s) qDebug() << s
  86
  87 using namespace ProjectExplorer;
  88
  89 namespace Debugger {
  90 namespace Internal {
  91
  92 class QmlEnginePrivate
  93 {
  94 public:
  95     explicit QmlEnginePrivate(QmlEngine *q);
  96
  97 private:
  98     friend class QmlEngine;
  99     QmlAdapter m_adapter;
 100     ApplicationLauncher m_applicationLauncher;
 101     Utils::FileInProjectFinder fileFinder;
 102     QTimer m_noDebugOutputTimer;
 103 };
 104
 105 QmlEnginePrivate::QmlEnginePrivate(QmlEngine *q)
 106     : m_adapter(q)
 107 {}
 108
 109
 110 ///////////////////////////////////////////////////////////////////////
 111 //
 112 // QmlEngine
 113 //
 114 ///////////////////////////////////////////////////////////////////////
 115
 116 QmlEngine::QmlEngine(const DebuggerStartParameters &startParameters,
 117         DebuggerEngine *masterEngine)
 118   : DebuggerEngine(startParameters, masterEngine),
 119     d(new QmlEnginePrivate(this))
 120 {
 121     setObjectName(QLatin1String("QmlEngine"));
 122
 123     ExtensionSystem::PluginManager *pluginManager =
 124         ExtensionSystem::PluginManager::instance();
 125     pluginManager->addObject(this);
 126
 127     connect(&d->m_adapter, SIGNAL(connectionError(QAbstractSocket::SocketError)),
 128         SLOT(connectionError(QAbstractSocket::SocketError)));
 129     connect(&d->m_adapter, SIGNAL(serviceConnectionError(QString)),
 130         SLOT(serviceConnectionError(QString)));
 131     connect(&d->m_adapter, SIGNAL(connected()),
 132         SLOT(connectionEstablished()));
 133     connect(&d->m_adapter, SIGNAL(connectionStartupFailed()),
 134         SLOT(connectionStartupFailed()));
 135
 136     connect(&d->m_applicationLauncher,
 137         SIGNAL(processExited(int)),
 138         SLOT(disconnected()));
 139     connect(&d->m_applicationLauncher,
 140         SIGNAL(appendMessage(QString, Utils::OutputFormat)),
 141         SLOT(appendMessage(QString, Utils::OutputFormat)));
 142     connect(&d->m_applicationLauncher,
 143             SIGNAL(processStarted()),
 144             &d->m_noDebugOutputTimer,
 145             SLOT(start()));
 146
 147     // Only wait 8 seconds for the 'Waiting for connection' on application ouput, then just try to connect
 148     // (application output might be redirected / blocked)
 149     d->m_noDebugOutputTimer.setSingleShot(true);
 150     d->m_noDebugOutputTimer.setInterval(8000);
 151     connect(&d->m_noDebugOutputTimer, SIGNAL(timeout()), this, SLOT(beginConnection()));
 152 }
 153
 154 QmlEngine::~QmlEngine()
 155 {
 156     ExtensionSystem::PluginManager *pluginManager =
 157         ExtensionSystem::PluginManager::instance();
 158
 159     if (pluginManager->allObjects().contains(this)) {
 160         pluginManager->removeObject(this);
 161     }
 162
 163     delete d;
 164 }
 165
 166 void QmlEngine::setupInferior()
 167 {
 168     QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
 169
 170     if (startParameters().startMode == AttachToRemoteServer) {
 171         emit requestRemoteSetup();
 172         if (startParameters().qmlServerPort != quint16(-1))
 173             notifyInferiorSetupOk();
 174     } if (startParameters().startMode == AttachToQmlPort) {
 175             notifyInferiorSetupOk();
 176
 177     } else {
 178         d->m_applicationLauncher.setEnvironment(startParameters().environment);
 179         d->m_applicationLauncher.setWorkingDirectory(startParameters().workingDirectory);
 180
 181         notifyInferiorSetupOk();
 182     }
 183 }
 184
 185 void QmlEngine::appendMessage(const QString &msg, Utils::OutputFormat /* format */)
 186 {
 187     showMessage(msg, AppOutput); // FIXME: Redirect to RunControl
 188 }
 189
 190 void QmlEngine::connectionEstablished()
 191 {
 192     attemptBreakpointSynchronization();
 193
 194     showMessage(tr("QML Debugger connected."), StatusBar);
 195
 196     if (!watchHandler()->watcherNames().isEmpty()) {
 197         synchronizeWatchers();
 198     }
 199     connect(watchersModel(),SIGNAL(layoutChanged()),this,SLOT(synchronizeWatchers()));
 200
 201     notifyEngineRunAndInferiorRunOk();
 202 }
 203
 204 void QmlEngine::beginConnection()
 205 {
 206     d->m_noDebugOutputTimer.stop();
 207     showMessage(tr("QML Debugger connecting..."), StatusBar);
 208     d->m_adapter.beginConnection();
 209 }
 210
 211 void QmlEngine::connectionStartupFailed()
 212 {
 213     Core::ICore * const core = Core::ICore::instance();
 214     QMessageBox *infoBox = new QMessageBox(core->mainWindow());
 215     infoBox->setIcon(QMessageBox::Critical);
 216     infoBox->setWindowTitle(tr("Qt Creator"));
 217     infoBox->setText(tr("Could not connect to the in-process QML debugger.\n"
 218                         "Do you want to retry?"));
 219     infoBox->setStandardButtons(QMessageBox::Retry | QMessageBox::Cancel | QMessageBox::Help);
 220     infoBox->setDefaultButton(QMessageBox::Retry);
 221     infoBox->setModal(true);
 222
 223     connect(infoBox, SIGNAL(finished(int)),
 224             this, SLOT(retryMessageBoxFinished(int)));
 225
 226     infoBox->show();
 227 }
 228
 229 void QmlEngine::retryMessageBoxFinished(int result)
 230 {
 231     switch (result) {
 232     case QMessageBox::Retry: {
 233         beginConnection();
 234         break;
 235     }
 236     case QMessageBox::Help: {
 237         Core::HelpManager *helpManager = Core::HelpManager::instance();
 238         helpManager->handleHelpRequest("qthelp://com.nokia.qtcreator/doc/creator-debugging-qml.html");
 239         // fall through
 240     }
 241     default:
 242         notifyEngineRunFailed();
 243         break;
 244     }
 245 }
 246
 247 void QmlEngine::connectionError(QAbstractSocket::SocketError socketError)
 248 {
 249     if (socketError == QAbstractSocket::RemoteHostClosedError)
 250         showMessage(tr("QML Debugger: Remote host closed connection."), StatusBar);
 251
 252     if (!isSlaveEngine()) { // normal flow for slave engine when gdb exits
 253         notifyInferiorSpontaneousStop();
 254         notifyInferiorIll();
 255     }
 256 }
 257
 258 void QmlEngine::serviceConnectionError(const QString &serviceName)
 259 {
 260     showMessage(tr("QML Debugger: Could not connect to service '%1'.")
 261         .arg(serviceName), StatusBar);
 262 }
 263
 264 bool QmlEngine::canDisplayTooltip() const
 265 {
 266     return state() == InferiorRunOk || state() == InferiorStopOk;
 267 }
 268
 269 void QmlEngine::filterApplicationMessage(const QString &msg, int /*channel*/)
 270 {
 271     static const QString qddserver = QLatin1String("QDeclarativeDebugServer: ");
 272     static const QString cannotRetrieveDebuggingOutput = ApplicationLauncher::msgWinCannotRetrieveDebuggingOutput();
 273
 274     const int index = msg.indexOf(qddserver);
 275     if (index != -1) {
 276         // we're actually getting debug output
 277         d->m_noDebugOutputTimer.stop();
 278
 279         QString status = msg;
 280         status.remove(0, index + qddserver.length()); // chop of 'QDeclarativeDebugServer: '
 281
 282         static QString waitingForConnection = QLatin1String("Waiting for connection ");
 283         static QString unableToListen = QLatin1String("Unable to listen ");
 284         static QString debuggingNotEnabled = QLatin1String("Ignoring \"-qmljsdebugger=");
 285         static QString debuggingNotEnabled2 = QLatin1String("Ignoring\"-qmljsdebugger="); // There is (was?) a bug in one of the error strings - safest to handle both
 286         static QString connectionEstablished = QLatin1String("Connection established");
 287
 288         QString errorMessage;
 289         if (status.startsWith(waitingForConnection)) {
 290             beginConnection();
 291         } else if (status.startsWith(unableToListen)) {
 292             //: Error message shown after 'Could not connect ... debugger:"
 293             errorMessage = tr("The port seems to be in use.");
 294         } else if (status.startsWith(debuggingNotEnabled) || status.startsWith(debuggingNotEnabled2)) {
 295             //: Error message shown after 'Could not connect ... debugger:"
 296             errorMessage = tr("The application is not set up for QML/JS debugging.");
 297         } else if (status.startsWith(connectionEstablished)) {
 298             // nothing to do
 299         } else {
 300             qWarning() << "Unknown QDeclarativeDebugServer status message: " << status;
 301         }
 302
 303         if (!errorMessage.isEmpty()) {
 304             notifyEngineRunFailed();
 305
 306             Core::ICore * const core = Core::ICore::instance();
 307             QMessageBox *infoBox = new QMessageBox(core->mainWindow());
 308             infoBox->setIcon(QMessageBox::Critical);
 309             infoBox->setWindowTitle(tr("Qt Creator"));
 310             //: %1 is detailed error message
 311             infoBox->setText(tr("Could not connect to the in-process QML debugger:\n%1")
 312                              .arg(errorMessage));
 313             infoBox->setStandardButtons(QMessageBox::Ok | QMessageBox::Help);
 314             infoBox->setDefaultButton(QMessageBox::Ok);
 315             infoBox->setModal(true);
 316
 317             connect(infoBox, SIGNAL(finished(int)),
 318                     this, SLOT(wrongSetupMessageBoxFinished(int)));
 319
 320             infoBox->show();
 321         }
 322     } else if (msg.contains(cannotRetrieveDebuggingOutput)) {
 323         // we won't get debugging output, so just try to connect ...
 324         beginConnection();
 325     }
 326 }
 327
 328 void QmlEngine::showMessage(const QString &msg, int channel, int timeout) const
 329 {
 330     if (channel == AppOutput || channel == AppError) {
 331         const_cast<QmlEngine*>(this)->filterApplicationMessage(msg, channel);
 332     }
 333     DebuggerEngine::showMessage(msg, channel, timeout);
 334 }
 335
 336 void QmlEngine::closeConnection()
 337 {
 338     disconnect(watchersModel(),SIGNAL(layoutChanged()),this,SLOT(synchronizeWatchers()));
 339     d->m_adapter.closeConnection();
 340 }
 341
 342 void QmlEngine::runEngine()
 343 {
 344     QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
 345
 346     if (!isSlaveEngine() && startParameters().startMode != AttachToRemoteServer
 347             && startParameters().startMode != AttachToQmlPort)
 348         startApplicationLauncher();
 349
 350     if (startParameters().startMode == AttachToQmlPort)
 351         beginConnection();
 352 }
 353
 354 void QmlEngine::startApplicationLauncher()
 355 {
 356     if (!d->m_applicationLauncher.isRunning()) {
 357         appendMessage(tr("Starting %1 %2").arg(
 358                           QDir::toNativeSeparators(startParameters().executable),
 359                           startParameters().processArgs)
 360                       + QLatin1Char('\n')
 361                      , Utils::NormalMessageFormat);
 362         d->m_applicationLauncher.start(ApplicationLauncher::Gui,
 363                                     startParameters().executable,
 364                                     startParameters().processArgs);
 365     }
 366 }
 367
 368 void QmlEngine::stopApplicationLauncher()
 369 {
 370     if (d->m_applicationLauncher.isRunning()) {
 371         disconnect(&d->m_applicationLauncher, SIGNAL(processExited(int)), this, SLOT(disconnected()));
 372         d->m_applicationLauncher.stop();
 373     }
 374 }
 375
 376 void QmlEngine::handleRemoteSetupDone(int gdbServerPort, int qmlPort)
 377 {
 378     Q_UNUSED(gdbServerPort);
 379     if (qmlPort != -1)
 380         startParameters().qmlServerPort = qmlPort;
 381     notifyInferiorSetupOk();
 382 }
 383
 384 void QmlEngine::handleRemoteSetupFailed(const QString &message)
 385 {
 386     QMessageBox::critical(0,tr("Failed to start application"),
 387         tr("Application startup failed: %1").arg(message));
 388     notifyInferiorSetupFailed();
 389 }
 390
 391 void QmlEngine::shutdownInferior()
 392 {
 393     d->m_noDebugOutputTimer.stop();
 394
 395     if (d->m_adapter.activeDebuggerClient())
 396         d->m_adapter.activeDebuggerClient()->endSession();
 397
 398     if (isSlaveEngine()) {
 399         resetLocation();
 400     }
 401     stopApplicationLauncher();
 402
 403     notifyInferiorShutdownOk();
 404 }
 405
 406 void QmlEngine::shutdownEngine()
 407 {
 408     closeConnection();
 409
 410     // double check (ill engine?):
 411     stopApplicationLauncher();
 412
 413     notifyEngineShutdownOk();
 414     if (!isSlaveEngine())
 415         showMessage(QString(), StatusBar);
 416 }
 417
 418 void QmlEngine::setupEngine()
 419 {
 420     connect(&d->m_applicationLauncher, SIGNAL(bringToForegroundRequested(qint64)),
 421             runControl(), SLOT(bringApplicationToForeground(qint64)),
 422             Qt::UniqueConnection);
 423
 424     notifyEngineSetupOk();
 425 }
 426
 427 void QmlEngine::continueInferior()
 428 {
 429     QTC_ASSERT(state() == InferiorStopOk, qDebug() << state());
 430     if (d->m_adapter.activeDebuggerClient()) {
 431         logMessage(LogSend, "CONTINUE");
 432         d->m_adapter.activeDebuggerClient()->continueInferior();
 433     }
 434     resetLocation();
 435     notifyInferiorRunRequested();
 436     notifyInferiorRunOk();
 437 }
 438
 439 void QmlEngine::interruptInferior()
 440 {
 441     if (d->m_adapter.activeDebuggerClient()) {
 442         logMessage(LogSend, "INTERRUPT");
 443         d->m_adapter.activeDebuggerClient()->interruptInferior();
 444     }
 445     notifyInferiorStopOk();
 446 }
 447
 448 void QmlEngine::executeStep()
 449 {
 450     if (d->m_adapter.activeDebuggerClient()) {
 451         logMessage(LogSend, "STEPINTO");
 452         d->m_adapter.activeDebuggerClient()->executeStep();
 453     }
 454     resetLocation();
 455     notifyInferiorRunRequested();
 456     notifyInferiorRunOk();
 457 }
 458
 459 void QmlEngine::executeStepI()
 460 {
 461     if (d->m_adapter.activeDebuggerClient()) {
 462         logMessage(LogSend, "STEPINTO");
 463         d->m_adapter.activeDebuggerClient()->executeStepI();
 464     }
 465     resetLocation();
 466     notifyInferiorRunRequested();
 467     notifyInferiorRunOk();
 468 }
 469
 470 void QmlEngine::executeStepOut()
 471 {
 472     if (d->m_adapter.activeDebuggerClient()) {
 473         logMessage(LogSend, "STEPOUT");
 474         d->m_adapter.activeDebuggerClient()->executeStepOut();
 475     }
 476     resetLocation();
 477     notifyInferiorRunRequested();
 478     notifyInferiorRunOk();
 479 }
 480
 481 void QmlEngine::executeNext()
 482 {
 483     if (d->m_adapter.activeDebuggerClient()) {
 484         logMessage(LogSend, "STEPOVER");
 485         d->m_adapter.activeDebuggerClient()->executeNext();
 486     }
 487     resetLocation();
 488     notifyInferiorRunRequested();
 489     notifyInferiorRunOk();
 490 }
 491
 492 void QmlEngine::executeNextI()
 493 {
 494     SDEBUG("QmlEngine::executeNextI()");
 495 }
 496
 497 void QmlEngine::executeRunToLine(const ContextData &data)
 498 {
 499     Q_UNUSED(data)
 500     SDEBUG("FIXME:  QmlEngine::executeRunToLine()");
 501 }
 502
 503 void QmlEngine::executeRunToFunction(const QString &functionName)
 504 {
 505     Q_UNUSED(functionName)
 506     XSDEBUG("FIXME:  QmlEngine::executeRunToFunction()");
 507 }
 508
 509 void QmlEngine::executeJumpToLine(const ContextData &data)
 510 {
 511     Q_UNUSED(data)
 512     XSDEBUG("FIXME:  QmlEngine::executeJumpToLine()");
 513 }
 514
 515 void QmlEngine::activateFrame(int index)
 516 {
 517     if (d->m_adapter.activeDebuggerClient()) {
 518         logMessage(LogSend, QString("%1 %2").arg(QString("ACTIVATE_FRAME"), QString::number(index)));
 519         d->m_adapter.activeDebuggerClient()->activateFrame(index);
 520     }
 521     gotoLocation(stackHandler()->frames().value(index));
 522 }
 523
 524 void QmlEngine::selectThread(int index)
 525 {
 526     Q_UNUSED(index)
 527 }
 528
 529 void QmlEngine::insertBreakpoint(BreakpointModelId id)
 530 {
 531     BreakHandler *handler = breakHandler();
 532     BreakpointState state = handler->state(id);
 533     QTC_ASSERT(state == BreakpointInsertRequested, qDebug() << id << this << state);
 534     handler->notifyBreakpointInsertProceeding(id);
 535
 536     if (d->m_adapter.activeDebuggerClient()) {
 537         d->m_adapter.activeDebuggerClient()->insertBreakpoint(id);
 538     } else {
 539         foreach (QmlDebuggerClient *client, d->m_adapter.debuggerClients()) {
 540             client->insertBreakpoint(id);
 541         }
 542     }
 543 }
 544
 545 void QmlEngine::removeBreakpoint(BreakpointModelId id)
 546 {
 547     BreakHandler *handler = breakHandler();
 548     BreakpointState state = handler->state(id);
 549     QTC_ASSERT(state == BreakpointRemoveRequested, qDebug() << id << this << state);
 550     handler->notifyBreakpointRemoveProceeding(id);
 551
 552     if (d->m_adapter.activeDebuggerClient()) {
 553         d->m_adapter.activeDebuggerClient()->removeBreakpoint(id);
 554     } else {
 555         foreach (QmlDebuggerClient *client, d->m_adapter.debuggerClients()) {
 556             client->removeBreakpoint(id);
 557         }
 558     }
 559
 560     if (handler->state(id) == BreakpointRemoveProceeding) {
 561         handler->notifyBreakpointRemoveOk(id);
 562     }
 563 }
 564
 565 void QmlEngine::changeBreakpoint(BreakpointModelId id)
 566 {
 567     BreakHandler *handler = breakHandler();
 568     BreakpointState state = handler->state(id);
 569     QTC_ASSERT(state == BreakpointChangeRequested, qDebug() << id << this << state);
 570     handler->notifyBreakpointChangeProceeding(id);
 571
 572     if (d->m_adapter.activeDebuggerClient()) {
 573         d->m_adapter.activeDebuggerClient()->changeBreakpoint(id);
 574     } else {
 575         foreach (QmlDebuggerClient *client, d->m_adapter.debuggerClients()) {
 576             client->changeBreakpoint(id);
 577         }
 578     }
 579
 580     if (handler->state(id) == BreakpointChangeProceeding) {
 581         handler->notifyBreakpointChangeOk(id);
 582     }
 583 }
 584
 585 void QmlEngine::attemptBreakpointSynchronization()
 586 {
 587     if (!stateAcceptsBreakpointChanges()) {
 588         showMessage(_("BREAKPOINT SYNCHRONIZATION NOT POSSIBLE IN CURRENT STATE"));
 589         return;
 590     }
 591
 592     BreakHandler *handler = breakHandler();
 593
 594     foreach (BreakpointModelId id, handler->unclaimedBreakpointIds()) {
 595         // Take ownership of the breakpoint. Requests insertion.
 596         if (acceptsBreakpoint(id))
 597             handler->setEngine(id, this);
 598     }
 599
 600     foreach (BreakpointModelId id, handler->engineBreakpointIds(this)) {
 601         switch (handler->state(id)) {
 602         case BreakpointNew:
 603             // Should not happen once claimed.
 604             QTC_CHECK(false);
 605             continue;
 606         case BreakpointInsertRequested:
 607             insertBreakpoint(id);
 608             continue;
 609         case BreakpointChangeRequested:
 610             changeBreakpoint(id);
 611             continue;
 612         case BreakpointRemoveRequested:
 613             removeBreakpoint(id);
 614             continue;
 615         case BreakpointChangeProceeding:
 616         case BreakpointInsertProceeding:
 617         case BreakpointRemoveProceeding:
 618         case BreakpointInserted:
 619         case BreakpointDead:
 620             continue;
 621         }
 622         QTC_ASSERT(false, qDebug() << "UNKNOWN STATE"  << id << state());
 623     }
 624
 625     DebuggerEngine::attemptBreakpointSynchronization();
 626
 627     if (d->m_adapter.activeDebuggerClient()) {
 628         d->m_adapter.activeDebuggerClient()->updateBreakpoints();
 629     } else {
 630         foreach (QmlDebuggerClient *client, d->m_adapter.debuggerClients()) {
 631             client->updateBreakpoints();
 632         }
 633     }
 634 }
 635
 636 bool QmlEngine::acceptsBreakpoint(BreakpointModelId id) const
 637 {
 638     if (!DebuggerEngine::isCppBreakpoint(breakHandler()->breakpointData(id)))
 639             return true;
 640
 641     //If it is a Cpp Breakpoint query if the type can be also handled by the debugger client
 642     //TODO: enable setting of breakpoints before start of debug session
 643     //For now, the event breakpoint can be set after the activeDebuggerClient is known
 644     //This is because the older client does not support BreakpointOnQmlSignalHandler
 645     bool acceptBreakpoint = false;
 646     if (d->m_adapter.activeDebuggerClient()) {
 647         acceptBreakpoint = d->m_adapter.activeDebuggerClient()->acceptsBreakpoint(id);
 648     }
 649     return acceptBreakpoint;
 650 }
 651
 652 void QmlEngine::loadSymbols(const QString &moduleName)
 653 {
 654     Q_UNUSED(moduleName)
 655 }
 656
 657 void QmlEngine::loadAllSymbols()
 658 {
 659 }
 660
 661 void QmlEngine::reloadModules()
 662 {
 663 }
 664
 665 void QmlEngine::requestModuleSymbols(const QString &moduleName)
 666 {
 667     Q_UNUSED(moduleName)
 668 }
 669
 670 //////////////////////////////////////////////////////////////////////
 671 //
 672 // Tooltip specific stuff
 673 //
 674 //////////////////////////////////////////////////////////////////////
 675
 676 bool QmlEngine::setToolTipExpression(const QPoint &mousePos,
 677     TextEditor::ITextEditor *editor, const DebuggerToolTipContext &ctx)
 678 {
 679     // This is processed by QML inspector, which has dependencies to
 680     // the qml js editor. Makes life easier.
 681     emit tooltipRequested(mousePos, editor, ctx.position);
 682     return true;
 683 }
 684
 685 //////////////////////////////////////////////////////////////////////
 686 //
 687 // Watch specific stuff
 688 //
 689 //////////////////////////////////////////////////////////////////////
 690
 691 void QmlEngine::assignValueInDebugger(const WatchData *data,
 692     const QString &expression, const QVariant &valueV)
 693 {
 694     quint64 objectId =  data->id;
 695     if (objectId > 0 && !expression.isEmpty() && d->m_adapter.activeDebuggerClient()) {
 696         logMessage(LogSend, QString("%1 %2 %3 %4 %5").arg(
 697                        QString("SET_PROPERTY"), QString::number(objectId), QString(expression),
 698                        valueV.toString()));
 699         d->m_adapter.activeDebuggerClient()->assignValueInDebugger(expression.toUtf8(), objectId, expression, valueV.toString());
 700     }
 701 }
 702
 703 void QmlEngine::updateWatchData(const WatchData &data,
 704     const WatchUpdateFlags &)
 705 {
 706 //    qDebug() << "UPDATE WATCH DATA" << data.toString();
 707     //watchHandler()->rebuildModel();
 708     showStatusMessage(tr("Stopped."), 5000);
 709
 710     if (!data.name.isEmpty() && d->m_adapter.activeDebuggerClient()) {
 711         if (data.isValueNeeded()) {
 712             logMessage(LogSend, QString("%1 %2 %3").arg(QString("EXEC"), QString(data.iname),
 713                                                         QString(data.name)));
 714             d->m_adapter.activeDebuggerClient()->updateWatchData(&data);
 715         }
 716         if (data.isChildrenNeeded()
 717                 && watchHandler()->isExpandedIName(data.iname)) {
 718             d->m_adapter.activeDebuggerClient()->expandObject(data.iname, data.id);
 719         }
 720     }
 721
 722     synchronizeWatchers();
 723
 724     if (!data.isSomethingNeeded())
 725         watchHandler()->insertData(data);
 726 }
 727
 728 void QmlEngine::synchronizeWatchers()
 729 {
 730     QStringList watchedExpressions = watchHandler()->watchedExpressions();
 731     // send watchers list
 732     logMessage(LogSend, QString("%1 %2").arg(
 733                    QString("WATCH_EXPRESSIONS"), watchedExpressions.join(", ")));
 734     if (d->m_adapter.activeDebuggerClient()) {
 735         d->m_adapter.activeDebuggerClient()->synchronizeWatchers(watchedExpressions);
 736     } else {
 737         foreach (QmlDebuggerClient *client, d->m_adapter.debuggerClients())
 738             client->synchronizeWatchers(watchedExpressions);
 739     }
 740 }
 741
 742 unsigned QmlEngine::debuggerCapabilities() const
 743 {
 744     return AddWatcherCapability|AddWatcherWhileRunningCapability;
 745     /*ReverseSteppingCapability | SnapshotCapability
 746         | AutoDerefPointersCapability | DisassemblerCapability
 747         | RegisterCapability | ShowMemoryCapability
 748         | JumpToLineCapability | ReloadModuleCapability
 749         | ReloadModuleSymbolsCapability | BreakOnThrowAndCatchCapability
 750         | ReturnFromFunctionCapability
 751         | CreateFullBacktraceCapability
 752         | WatchpointCapability
 753         | AddWatcherCapability;*/
 754 }
 755
 756 QString QmlEngine::toFileInProject(const QUrl &fileUrl)
 757 {
 758     if (startParameters().startMode != AttachToQmlPort) {
 759         if (d->fileFinder.projectDirectory().isEmpty()) {
 760             d->fileFinder.setProjectDirectory(startParameters().projectSourceDirectory);
 761             d->fileFinder.setProjectFiles(startParameters().projectSourceFiles);
 762         }
 763     }
 764
 765     return d->fileFinder.findFile(fileUrl);
 766 }
 767
 768 void QmlEngine::inferiorSpontaneousStop()
 769 {
 770     if (state() == InferiorRunOk)
 771         notifyInferiorSpontaneousStop();
 772 }
 773
 774 void QmlEngine::disconnected()
 775 {
 776     showMessage(tr("QML Debugger disconnected."), StatusBar);
 777     notifyInferiorExited();
 778 }
 779
 780 void QmlEngine::wrongSetupMessageBoxFinished(int result)
 781 {
 782     if (result == QMessageBox::Help) {
 783         Core::HelpManager *helpManager = Core::HelpManager::instance();
 784         helpManager->handleHelpRequest(
 785                     QLatin1String("qthelp://com.nokia.qtcreator/doc/creator-debugging-qml.html"));
 786     }
 787 }
 788
 789 void QmlEngine::executeDebuggerCommand(const QString& command)
 790 {
 791     if (d->m_adapter.activeDebuggerClient()) {
 792         logMessage(LogSend, QString("%1 %2 %3").arg(QString("EXEC"), QString("console"),
 793                                                           QString(command)));
 794         d->m_adapter.activeDebuggerClient()->executeDebuggerCommand(command);
 795     }
 796 }
 797
 798
 799 QString QmlEngine::qmlImportPath() const
 800 {
 801     return startParameters().environment.value("QML_IMPORT_PATH");
 802 }
 803
 804 void QmlEngine::logMessage(LogDirection direction, const QString &message)
 805 {
 806     QString msg = "QmlDebugger";
 807     if (direction == LogSend) {
 808         msg += " sending ";
 809     } else {
 810         msg += " receiving ";
 811     }
 812     msg += message;
 813     showMessage(msg, LogDebug);
 814 }
 815
 816 QmlEngine *createQmlEngine(const DebuggerStartParameters &sp,
 817     DebuggerEngine *masterEngine)
 818 {
 819     return new QmlEngine(sp, masterEngine);
 820 }
 821
 822 } // namespace Internal
 823 } // namespace Debugger
 824