qmlengine.cpp 14 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
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 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 "qmlengine.h"

32
#include "debuggerconstants.h"
33
#include "debuggerplugin.h"
34
#include "debuggerdialogs.h"
35
#include "debuggerstringutils.h"
36
#include "debuggeruiswitcher.h"
37

38 39 40 41 42 43 44
#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "stackhandler.h"
#include "watchhandler.h"
#include "watchutils.h"

45 46 47 48
#include "canvasframerate.h"

#include <projectexplorer/environment.h>

49 50 51 52 53 54 55 56 57 58 59 60 61
#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>
62
#include <QtGui/QTextDocument>
63 64

#include <QtNetwork/QTcpSocket>
65 66 67 68
#include <QtNetwork/QHostAddress>

#include <private/qdeclarativedebug_p.h>
#include <private/qdeclarativedebugclient_p.h>
69 70 71 72 73 74 75 76 77 78

#define DEBUG_QML 1
#if DEBUG_QML
#   define SDEBUG(s) qDebug() << s
#else
#   define SDEBUG(s)
#endif
# define XSDEBUG(s) qDebug() << s


79

80 81 82
namespace Debugger {
namespace Internal {

83 84 85 86 87 88
QDataStream& operator>>(QDataStream& s, WatchData &data)
{
    data = WatchData();
    QString value;
    QString type;
    bool hasChildren;
89
    s >> data.exp >> data.name >> value >> type >> hasChildren >> data.objectId;
90 91 92
    data.setType(type, false);
    data.setValue(value);
    data.setHasChildren(hasChildren);
93
    data.setAllUnneeded();
94 95 96
    return s;
}

97 98 99 100 101 102
///////////////////////////////////////////////////////////////////////
//
// QmlEngine
//
///////////////////////////////////////////////////////////////////////

103
QmlEngine::QmlEngine(const DebuggerStartParameters &startParameters)
104
    : DebuggerEngine(startParameters), m_ping(0)
105 106 107 108 109 110 111
{
}

QmlEngine::~QmlEngine()
{
}

hjk's avatar
hjk committed
112
void QmlEngine::setupInferior()
113
{
hjk's avatar
hjk committed
114 115 116 117
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
    attemptBreakpointSynchronization();
    notifyInferiorSetupOk();
}
hjk's avatar
hjk committed
118

hjk's avatar
hjk committed
119 120 121
void QmlEngine::runEngine()
{
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
122
    notifyEngineRunAndInferiorRunOk();
123 124
}

hjk's avatar
hjk committed
125
void QmlEngine::shutdownInferior()
126
{
hjk's avatar
hjk committed
127 128 129 130 131 132 133 134 135 136
    QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << state());
    notifyInferiorShutdownOk();
}

void QmlEngine::shutdownEngine()
{
    QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << state());
    //m_objectTreeWidget->saveSettings(m_settings);
    //m_propertiesWidget->saveSettings(m_settings);
    //m_settings.saveSettings(Core::ICore::instance()->settings());
137 138
}

139 140
const int serverPort = 3768;

hjk's avatar
hjk committed
141
void QmlEngine::setupEngine()
142
{
143
    notifyEngineSetupOk();
144 145
}

146 147 148

void QmlEngine::continueInferior()
{
hjk's avatar
hjk committed
149
    QTC_ASSERT(state() == InferiorStopOk, qDebug() << state());
150 151 152 153
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("CONTINUE");
    sendMessage(reply);
154
    resetLocation();
hjk's avatar
hjk committed
155 156
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
157 158 159 160
}

void QmlEngine::interruptInferior()
{
161 162 163 164
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("INTERRUPT");
    sendMessage(reply);
165
    notifyInferiorStopOk();
166 167 168 169
}

void QmlEngine::executeStep()
{
170 171 172 173
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("STEPINTO");
    sendMessage(reply);
hjk's avatar
hjk committed
174 175
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
176 177 178 179
}

void QmlEngine::executeStepI()
{
180 181 182 183
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("STEPINTO");
    sendMessage(reply);
hjk's avatar
hjk committed
184 185
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
186 187 188 189
}

void QmlEngine::executeStepOut()
{
190 191 192 193
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("STEPOUT");
    sendMessage(reply);
hjk's avatar
hjk committed
194 195
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
196 197 198 199
}

void QmlEngine::executeNext()
{
200 201 202 203
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("STEPOVER");
    sendMessage(reply);
hjk's avatar
hjk committed
204 205
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
206 207 208 209
}

void QmlEngine::executeNextI()
{
210
    SDEBUG("QmlEngine::executeNextI()");
211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
}

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)
{
    Q_UNUSED(index)
236 237 238 239 240 241 242

    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("ACTIVATE_FRAME");
    rs << index;
    sendMessage(reply);

243
    gotoLocation(stackHandler()->frames().value(index), true);
244 245 246 247 248 249 250 251 252
}

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

void QmlEngine::attemptBreakpointSynchronization()
{
253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268
    BreakHandler *handler = breakHandler();
    //bool updateNeeded = false;
    QSet< QPair<QString, qint32> > breakList;
    for (int index = 0; index != handler->size(); ++index) {
        BreakpointData *data = handler->at(index);
        breakList << qMakePair(data->fileName, data->lineNumber.toInt());
    }

    {
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("BREAKPOINTS");
    rs << breakList;
    //qDebug() << Q_FUNC_INFO << breakList;
    sendMessage(reply);
    }
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
}

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
//
//////////////////////////////////////////////////////////////////////

static WatchData m_toolTip;
static QPoint m_toolTipPos;
static QHash<QString, WatchData> m_toolTipCache;

void QmlEngine::setToolTipExpression(const QPoint &mousePos, TextEditor::ITextEditor *editor, int cursorPos)
{
    Q_UNUSED(mousePos)
    Q_UNUSED(editor)
    Q_UNUSED(cursorPos)
}

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

void QmlEngine::assignValueInDebugger(const QString &expression,
    const QString &value)
{
315 316 317 318 319 320 321 322 323 324 325 326 327
    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);
            rs << QByteArray("SET_PROPERTY");
            rs << expression.toUtf8() << objectId << property << value;
            sendMessage(reply);
        }
    }
328 329
}

330
void QmlEngine::updateWatchData(const WatchData &data)
331
{
Olivier Goffart's avatar
Olivier Goffart committed
332
//    qDebug() << "UPDATE WATCH DATA" << data.toString();
333
    //watchHandler()->rebuildModel();
334
    showStatusMessage(tr("Stopped."), 5000);
335

336
    if (!data.name.isEmpty() && data.isValueNeeded()) {
337 338 339 340 341 342 343
        QByteArray reply;
        QDataStream rs(&reply, QIODevice::WriteOnly);
        rs << QByteArray("EXEC");
        rs << data.iname << data.name;
        sendMessage(reply);
    }

344 345 346 347
    if (!data.name.isEmpty() && data.isChildrenNeeded() && watchHandler()->isExpandedIName(data.iname)) {
        expandObject(data.iname, data.objectId);
    }

348 349 350 351 352 353 354
    {
        QByteArray reply;
        QDataStream rs(&reply, QIODevice::WriteOnly);
        rs << QByteArray("WATCH_EXPRESSIONS");
        rs << watchHandler()->watchedExpressions();
        sendMessage(reply);
    }
355 356 357

    if (!data.isSomethingNeeded())
        watchHandler()->insertData(data);
358 359
}

360 361 362 363 364 365 366 367 368
void QmlEngine::expandObject(const QByteArray& iname, quint64 objectId)
{
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("EXPAND");
    rs << iname << objectId;
    sendMessage(reply);
}

369 370 371 372 373 374 375 376 377 378 379
void QmlEngine::sendPing()
{
    m_ping++;
    QByteArray reply;
    QDataStream rs(&reply, QIODevice::WriteOnly);
    rs << QByteArray("PING");
    rs << m_ping;
    sendMessage(reply);
}


380

381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
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;*/
398 399 400 401 402 403 404 405 406 407
}

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

    QByteArray command;
    stream >> command;

408
    showMessage(_("RECEIVED RESPONSE: ") + quoteUnprintableLatin1(message));
409
    if (command == "STOPPED") {
hjk's avatar
hjk committed
410
        notifyInferiorSpontaneousStop();
411

412
        QList<QPair<QString, QPair<QString, qint32> > > backtrace;
413 414
        QList<WatchData> watches;
        QList<WatchData> locals;
415
        stream >> backtrace >> watches >> locals;
416

417
        StackFrames stackFrames;
418 419 420 421 422 423
        typedef QPair<QString, QPair<QString, qint32> > Iterator;
        foreach (const Iterator &it, backtrace) {
            StackFrame frame;
            frame.file = it.second.first;
            frame.line = it.second.second;
            frame.function = it.first;
424
            stackFrames.append(frame);
425 426 427 428 429 430
        }

        gotoLocation(stackFrames.value(0), true);
        stackHandler()->setFrames(stackFrames);

        watchHandler()->beginCycle();
431
        bool needPing = false;
432

433
        foreach (WatchData data, watches) {
434
            data.iname = watchHandler()->watcherName(data.exp);
435
            watchHandler()->insertData(data);
436

437 438
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
439
                expandObject(data.iname, data.objectId);
440
            }
441 442
        }

443 444 445
        foreach (WatchData data, locals) {
            data.iname = "local." + data.exp;
            watchHandler()->insertData(data);
446

447 448
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
449
                expandObject(data.iname, data.objectId);
450
            }
hjk's avatar
hjk committed
451 452
        }

453 454 455 456
        if (needPing)
            sendPing();
        else
            watchHandler()->endCycle();
457

458 459 460 461
        //ensure we got the right ui right now
        Debugger::DebuggerUISwitcher *uiSwitcher = Debugger::DebuggerUISwitcher::instance();
        uiSwitcher->setActiveLanguage("C++");

462 463 464 465 466 467 468 469 470 471
        bool becauseOfexception;
        stream >> becauseOfexception;
        if (becauseOfexception) {
            QString error;
            stream >> error;

            QString msg = tr("<p>An Uncaught Exception occured in <i>%1</i>:</p><p>%2</p>").arg(stackFrames.value(0).file, Qt::escape(error));
            showMessageBox(QMessageBox::Information, tr("Uncaught Exception"), msg);
        }

472

473 474
    } else if (command == "RESULT") {
        WatchData data;
475 476 477
        QByteArray iname;
        stream >> iname >> data;
        data.iname = iname;
478
        watchHandler()->insertData(data);
479 480 481 482 483

    } else if (command == "EXPANDED") {
        QList<WatchData> result;
        QByteArray iname;
        stream >> iname >> result;
484
        bool needPing = false;
485 486 487 488
        foreach (WatchData data, result) {
            data.iname = iname + '.' + data.exp;
            watchHandler()->insertData(data);

489 490
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
491
                expandObject(data.iname, data.objectId);
492
            }
493
        }
494 495
        if (needPing)
            sendPing();
496 497 498 499 500
    } else if (command == "LOCALS") {
        QList<WatchData> locals;
        int frameId;
        stream >> frameId >> locals;
        watchHandler()->beginCycle();
501
        bool needPing = false;
502 503 504
        foreach (WatchData data, locals) {
            data.iname = "local." + data.exp;
            watchHandler()->insertData(data);
505 506
            if (watchHandler()->expandedINames().contains(data.iname)) {
                needPing = true;
507
                expandObject(data.iname, data.objectId);
508
            }
509
        }
510 511 512 513 514 515 516 517 518 519
        if (needPing)
            sendPing();
        else
            watchHandler()->endCycle();

    } else if (command == "PONG") {
        int ping;
        stream >> ping;
        if (ping == m_ping)
            watchHandler()->endCycle();
520 521 522 523 524 525
    } else {
        qDebug() << Q_FUNC_INFO << "Unknown command: " << command;
    }

}

526 527
} // namespace Internal
} // namespace Debugger
528