pdbengine.cpp 25.1 KB
Newer Older
hjk's avatar
hjk committed
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
/**************************************************************************
**
** 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.
**
**************************************************************************/

#define QT_NO_CAST_FROM_ASCII

#include "pdbengine.h"

#include "debuggeractions.h"
35
#include "debuggerconstants.h"
hjk's avatar
hjk committed
36
#include "debuggerdialogs.h"
37 38 39
#include "debuggerplugin.h"
#include "debuggerstringutils.h"

hjk's avatar
hjk committed
40 41 42 43 44 45
#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "stackhandler.h"
#include "watchhandler.h"
#include "watchutils.h"
46

hjk's avatar
hjk committed
47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
#include "../gdb/gdbmi.h"

#include <utils/qtcassert.h>

#include <texteditor/itexteditor.h>
#include <coreplugin/ifile.h>
//#include <coreplugin/scriptmanager/scriptmanager.h>
#include <coreplugin/icore.h>

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

#include <QtGui/QApplication>
#include <QtGui/QToolTip>
#include <QtGui/QMessageBox>


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


#define CB(callback) &PdbEngine::callback, STRINGIFY(callback)

namespace Debugger {
namespace Internal {

///////////////////////////////////////////////////////////////////////
//
// PdbEngine
//
///////////////////////////////////////////////////////////////////////

88 89
PdbEngine::PdbEngine(const DebuggerStartParameters &startParameters)
    : DebuggerEngine(startParameters)
hjk's avatar
hjk committed
90 91 92 93 94 95 96 97 98
{}

PdbEngine::~PdbEngine()
{}

void PdbEngine::executeDebuggerCommand(const QString &command)
{
    XSDEBUG("PdbEngine::executeDebuggerCommand:" << command);
    if (state() == DebuggerNotReady) {
99
        showMessage(_("PDB PROCESS NOT RUNNING, PLAIN CMD IGNORED: ") + command);
hjk's avatar
hjk committed
100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116
        return;
    }
    m_pdbProc.write(command.toLatin1() + "\n");
}

void PdbEngine::postCommand(const QByteArray &command,
//                 PdbCommandFlags flags,
                 PdbCommandCallback callback,
                 const char *callbackName,
                 const QVariant &cookie)
{
    PdbCommand cmd;
    cmd.command = command;
    cmd.callback = callback;
    cmd.callbackName = callbackName;
    cmd.cookie = cookie;
    m_commands.enqueue(cmd);
117
    showMessage(_(cmd.command), LogInput);
hjk's avatar
hjk committed
118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
    m_pdbProc.write(cmd.command + "\n");
}

void PdbEngine::shutdown()
{
    exitDebugger();
}

void PdbEngine::exitDebugger()
{
    if (state() == DebuggerNotReady)
        return;
    SDEBUG("PdbEngine::exitDebugger()");
    m_pdbProc.kill();
    //if (m_scriptEngine->isEvaluating())
    //    m_scriptEngine->abortEvaluation();
    setState(InferiorShuttingDown);
    setState(InferiorShutDown);
    setState(EngineShuttingDown);
    //m_scriptEngine->setAgent(0);
    setState(DebuggerNotReady);
}

hjk's avatar
hjk committed
141
void PdbEngine::setupEngine()
hjk's avatar
hjk committed
142
{
143
    QTC_ASSERT(state() == EngineStarting, qDebug() << state());
hjk's avatar
hjk committed
144

145
    m_scriptFileName = QFileInfo(startParameters().executable).absoluteFilePath();
hjk's avatar
hjk committed
146 147
    QFile scriptFile(m_scriptFileName);
    if (!scriptFile.open(QIODevice::ReadOnly|QIODevice::Text)) {
148 149
        //showMessage("STARTING " +m_scriptFileName + "FAILED");
        showMessage(QString::fromLatin1("Cannot open %1: %2").
150
                   arg(m_scriptFileName, scriptFile.errorString()), LogError);
151
        notifyEngineStartFailed();
hjk's avatar
hjk committed
152 153 154 155 156
        return;
    }
    m_pdbProc.disconnect(); // From any previous runs

    m_pdb = _("/usr/bin/python");
157
    showMessage(_("STARTING PDB ") + m_pdb);
hjk's avatar
hjk committed
158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
    QStringList gdbArgs;
    gdbArgs += _("-i");
    gdbArgs += _("/usr/bin/pdb");
    gdbArgs += m_scriptFileName;
    //gdbArgs += args;

    connect(&m_pdbProc, SIGNAL(error(QProcess::ProcessError)),
        SLOT(handlePdbError(QProcess::ProcessError)));
    connect(&m_pdbProc, SIGNAL(finished(int, QProcess::ExitStatus)),
        SLOT(handlePdbFinished(int, QProcess::ExitStatus)));
    connect(&m_pdbProc, SIGNAL(readyReadStandardOutput()),
        SLOT(readPdbStandardOutput()));
    connect(&m_pdbProc, SIGNAL(readyReadStandardError()),
        SLOT(readPdbStandardError()));

    // We will stop immediatly, so setup a proper callback.
    PdbCommand cmd;
hjk's avatar
hjk committed
175
    cmd.callback = &PdbEngine::handleFirstCommand;
hjk's avatar
hjk committed
176 177 178
    m_commands.enqueue(cmd);

    m_pdbProc.start(m_pdb, gdbArgs);
hjk's avatar
hjk committed
179
    //qDebug() << "STARTING:" << m_pdb << gdbArgs;
hjk's avatar
hjk committed
180 181 182 183

    if (!m_pdbProc.waitForStarted()) {
        const QString msg = tr("Unable to start pdb '%1': %2")
            .arg(m_pdb, m_pdbProc.errorString());
184
        setState(EngineStartFailed);
185
        showMessage(_("ADAPTER START FAILED"));
hjk's avatar
hjk committed
186 187 188 189 190
        if (!msg.isEmpty()) {
            const QString title = tr("Adapter start failed");
            Core::ICore::instance()->showWarningWithOptions(title, msg);
        }
        shutdown();
191
        notifyEngineStartFailed();
hjk's avatar
hjk committed
192 193
        return;
    }
hjk's avatar
hjk committed
194 195 196 197 198 199
    notifyEngineStartOk();
}

void PdbEngine::setupInferior()
{
    QTC_ASSERT(state() == InferiorSettingUp, qDebug() << state());
hjk's avatar
hjk committed
200 201
    attemptBreakpointSynchronization();

202
    showMessage(_("PDB STARTED, INITIALIZING IT"));
hjk's avatar
hjk committed
203 204 205 206 207 208
    const QByteArray dumperSourcePath =
        Core::ICore::instance()->resourcePath().toLocal8Bit() + "/gdbmacros/";
    postCommand("execfile('" + dumperSourcePath + "pdumper.py')",
        CB(handleLoadDumper));
}

hjk's avatar
hjk committed
209
void PdbEngine::runEngine()
hjk's avatar
hjk committed
210
{
hjk's avatar
hjk committed
211 212 213
    showStatusMessage(tr("Running requested..."), 5000);
    SDEBUG("PdbEngine::runEngine()");
    continueInferior();
hjk's avatar
hjk committed
214 215 216 217 218 219 220 221 222
}

void PdbEngine::interruptInferior()
{
    setState(InferiorStopped);
}

void PdbEngine::executeStep()
{
223
    resetLocation();
hjk's avatar
hjk committed
224 225 226 227 228 229 230
    setState(InferiorRunningRequested);
    setState(InferiorRunning);
    postCommand("step", CB(handleUpdateAll));
}

void PdbEngine::executeStepI()
{
231
    resetLocation();
hjk's avatar
hjk committed
232 233 234 235 236 237 238
    setState(InferiorRunningRequested);
    setState(InferiorRunning);
    postCommand("step", CB(handleUpdateAll));
}

void PdbEngine::executeStepOut()
{
239
    resetLocation();
hjk's avatar
hjk committed
240 241 242 243 244 245 246
    setState(InferiorRunningRequested);
    setState(InferiorRunning);
    postCommand("finish", CB(handleUpdateAll));
}

void PdbEngine::executeNext()
{
247
    resetLocation();
hjk's avatar
hjk committed
248 249 250 251 252 253 254
    setState(InferiorRunningRequested);
    setState(InferiorRunning);
    postCommand("next", CB(handleUpdateAll));
}

void PdbEngine::executeNextI()
{
255
    resetLocation();
hjk's avatar
hjk committed
256 257 258 259 260 261 262
    setState(InferiorRunningRequested);
    setState(InferiorRunning);
    postCommand("next", CB(handleUpdateAll));
}

void PdbEngine::continueInferior()
{
263
    resetLocation();
hjk's avatar
hjk committed
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
    setState(InferiorRunningRequested);
    setState(InferiorRunning);
    // Callback will be triggered e.g. when breakpoint is hit.
    postCommand("continue", CB(handleUpdateAll));
}

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

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

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

void PdbEngine::activateFrame(int frameIndex)
{
292
    resetLocation();
hjk's avatar
hjk committed
293 294 295
    if (state() != InferiorStopped && state() != InferiorUnrunnable)
        return;

296 297
    StackHandler *handler = stackHandler();
    int oldIndex = handler->currentIndex();
hjk's avatar
hjk committed
298

299
    //if (frameIndex == handler->stackSize()) {
hjk's avatar
hjk committed
300 301 302 303
    //    reloadFullStack();
    //    return;
    //}

304
    QTC_ASSERT(frameIndex < handler->stackSize(), return);
hjk's avatar
hjk committed
305 306 307 308 309

    if (oldIndex != frameIndex) {
        // Assuming the command always succeeds this saves a roundtrip.
        // Otherwise the lines below would need to get triggered
        // after a response to this -stack-select-frame here.
310
        handler->setCurrentIndex(frameIndex);
hjk's avatar
hjk committed
311 312 313
        //postCommand("-stack-select-frame " + QByteArray::number(frameIndex),
        //    CB(handleStackSelectFrame));
    }
314
    gotoLocation(handler->currentFrame(), true);
hjk's avatar
hjk committed
315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338
}

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

static QByteArray breakpointLocation(const BreakpointData *data)
{
    if (!data->funcName.isEmpty())
        return data->funcName.toLatin1();
    // In this case, data->funcName is something like '*0xdeadbeef'
    if (data->lineNumber.toInt() == 0)
        return data->funcName.toLatin1();
    //QString loc = data->useFullPath ? data->fileName : breakLocation(data->fileName);
    // The argument is simply a C-quoted version of the argument to the
    // non-MI "break" command, including the "original" quoting it wants.
    //return "\"\\\"" + GdbMi::escapeCString(data->fileName).toLocal8Bit() + "\\\":"
    //    + data->lineNumber + '"';
    return data->fileName.toLocal8Bit() + ":" + data->lineNumber;
}

void PdbEngine::attemptBreakpointSynchronization()
{
339
    BreakHandler *handler = breakHandler();
hjk's avatar
hjk committed
340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
    //qDebug() << "ATTEMPT BP SYNC";
    bool updateNeeded = false;
    for (int index = 0; index != handler->size(); ++index) {
        BreakpointData *data = handler->at(index);
        if (data->pending) {
            data->pending = false; // FIXME
            updateNeeded = true;
            QByteArray loc = breakpointLocation(data);
            postCommand("break " + loc, CB(handleBreakInsert), QVariant(index));
        }
/*
        if (data->bpNumber.isEmpty()) {
            data->bpNumber = QByteArray::number(index + 1);
            updateNeeded = true;
        }
        if (!data->fileName.isEmpty() && data->markerFileName().isEmpty()) {
            data->setMarkerFileName(data->fileName);
            data->setMarkerLineNumber(data->lineNumber.toInt());
            updateNeeded = true;
        }
*/
    }
    //if (updateNeeded)
    //    handler->updateMarkers();
}

void PdbEngine::handleBreakInsert(const PdbResponse &response)
{
    //qDebug() << "BP RESPONSE: " << response.data;
    // "Breakpoint 1 at /pdb/math.py:10"
    int index = response.cookie.toInt();
371
    BreakHandler *handler = breakHandler();
hjk's avatar
hjk committed
372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
    BreakpointData *data = handler->at(index);
    QTC_ASSERT(data, return);
    QTC_ASSERT(response.data.startsWith("Breakpoint "), return);
    int pos1 = response.data.indexOf(" at ");
    QTC_ASSERT(pos1 != -1, return);
    QByteArray bpnr = response.data.mid(11, pos1 - 11);
    int pos2 = response.data.lastIndexOf(":");
    QByteArray file = response.data.mid(pos1 + 4, pos2 - pos1 - 4);
    QByteArray line = response.data.mid(pos2 + 1);
    data->bpNumber = bpnr;
    data->bpFileName = _(file);
    data->bpLineNumber = line;
    handler->updateMarkers();
}

void PdbEngine::loadSymbols(const QString &moduleName)
{
    Q_UNUSED(moduleName)
}

void PdbEngine::loadAllSymbols()
{
}

void PdbEngine::reloadModules()
{
hjk's avatar
hjk committed
398 399 400 401 402 403 404
    postCommand("qdebug('listmodules')", CB(handleListModules));
}

void PdbEngine::handleListModules(const PdbResponse &response)
{
    GdbMi out;
    out.fromString(response.data.trimmed());
405
    Modules modules;
hjk's avatar
hjk committed
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421
    foreach (const GdbMi &item, out.children()) {
        Module module;
        module.moduleName = _(item.findChild("name").data());
        QString path = _(item.findChild("value").data());
        int pos = path.indexOf(_("' from '"));
        if (pos != -1) {
            path = path.mid(pos + 8);
            if (path.size() >= 2)
                path.chop(2);
        } else if (path.startsWith(_("<module '"))
                && path.endsWith(_("' (built-in)>"))) {
            path = _("(builtin)");
        }
        module.modulePath = path;
        modules.append(module);
    }
422
    modulesHandler()->setModules(modules);
hjk's avatar
hjk committed
423 424
}

hjk's avatar
hjk committed
425
void PdbEngine::requestModuleSymbols(const QString &moduleName)
hjk's avatar
hjk committed
426
{
hjk's avatar
hjk committed
427 428
    postCommand("qdebug('listsymbols','" + moduleName.toLatin1() + "')",
        CB(handleListSymbols), moduleName);
hjk's avatar
hjk committed
429 430
}

hjk's avatar
hjk committed
431 432 433 434
void PdbEngine::handleListSymbols(const PdbResponse &response)
{
    GdbMi out;
    out.fromString(response.data.trimmed());
435
    Symbols symbols;
hjk's avatar
hjk committed
436 437 438 439 440 441
    QString moduleName = response.cookie.toString();
    foreach (const GdbMi &item, out.children()) {
        Symbol symbol;
        symbol.name = _(item.findChild("name").data());
        symbols.append(symbol);
    }
442
    showModuleSymbols(moduleName, symbols);
hjk's avatar
hjk committed
443
}
hjk's avatar
hjk committed
444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518

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


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

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

    if (state() != InferiorStopped) {
        //SDEBUG("SUPPRESSING DEBUGGER TOOLTIP, INFERIOR NOT STOPPED");
        return;
    }
    // Check mime type and get expression (borrowing some C++ - functions)
    const QString javaPythonMimeType =
        QLatin1String("application/javascript");
    if (!editor->file() || editor->file()->mimeType() != javaPythonMimeType)
        return;

    int line;
    int column;
    QString exp = cppExpressionAt(editor, cursorPos, &line, &column);

/*
    if (m_toolTipCache.contains(exp)) {
        const WatchData & data = m_toolTipCache[exp];
        q->watchHandler()->removeChildren(data.iname);
        insertData(data);
        return;
    }
*/

    QToolTip::hideText();
    if (exp.isEmpty() || exp.startsWith(QLatin1Char('#')))  {
        QToolTip::hideText();
        return;
    }

    if (!hasLetterOrNumber(exp)) {
        QToolTip::showText(m_toolTipPos, tr("'%1' contains no identifier").arg(exp));
        return;
    }

    if (exp.startsWith(QLatin1Char('"')) && exp.endsWith(QLatin1Char('"'))) {
        QToolTip::showText(m_toolTipPos, tr("String literal %1").arg(exp));
        return;
    }

    if (exp.startsWith(QLatin1String("++")) || exp.startsWith(QLatin1String("--")))
        exp.remove(0, 2);

    if (exp.endsWith(QLatin1String("++")) || exp.endsWith(QLatin1String("--")))
        exp.remove(0, 2);

    if (exp.startsWith(QLatin1Char('<')) || exp.startsWith(QLatin1Char('[')))
        return;

    if (hasSideEffects(exp)) {
        QToolTip::showText(m_toolTipPos,
            tr("Cowardly refusing to evaluate expression '%1' "
               "with potential side effects").arg(exp));
        return;
    }

#if 0
519
    //if (status() != InferiorStopped)
hjk's avatar
hjk committed
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
    //    return;

    // FIXME: 'exp' can contain illegal characters
    m_toolTip = WatchData();
    m_toolTip.exp = exp;
    m_toolTip.name = exp;
    m_toolTip.iname = tooltipIName;
    insertData(m_toolTip);
#endif
}


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

void PdbEngine::assignValueInDebugger(const QString &expression,
    const QString &value)
{
    Q_UNUSED(expression);
    Q_UNUSED(value);
    SDEBUG("ASSIGNING: " << (expression + QLatin1Char('=') + value));
#if 0
    m_scriptEngine->evaluate(expression + QLatin1Char('=') + value);
    updateLocals();
#endif
}


void PdbEngine::updateWatchData(const WatchData &data)
{
    Q_UNUSED(data);
    updateAll();
}

void PdbEngine::handlePdbError(QProcess::ProcessError error)
{
559
    showMessage(_("HANDLE PDB ERROR"));
hjk's avatar
hjk committed
560 561 562 563 564 565 566 567 568 569
    switch (error) {
    case QProcess::Crashed:
        break; // will get a processExited() as well
    // impossible case QProcess::FailedToStart:
    case QProcess::ReadError:
    case QProcess::WriteError:
    case QProcess::Timedout:
    default:
        m_pdbProc.kill();
        setState(EngineShuttingDown, true);
570
        plugin()->showMessageBox(QMessageBox::Critical, tr("Pdb I/O Error"),
hjk's avatar
hjk committed
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
                       errorMessage(error));
        break;
    }
}

QString PdbEngine::errorMessage(QProcess::ProcessError error) const
{
    switch (error) {
        case QProcess::FailedToStart:
            return tr("The Pdb process failed to start. Either the "
                "invoked program '%1' is missing, or you may have insufficient "
                "permissions to invoke the program.")
                .arg(m_pdb);
        case QProcess::Crashed:
            return tr("The Pdb process crashed some time after starting "
                "successfully.");
        case QProcess::Timedout:
            return tr("The last waitFor...() function timed out. "
                "The state of QProcess is unchanged, and you can try calling "
                "waitFor...() again.");
        case QProcess::WriteError:
            return tr("An error occurred when attempting to write "
                "to the Pdb process. For example, the process may not be running, "
                "or it may have closed its input channel.");
        case QProcess::ReadError:
            return tr("An error occurred when attempting to read from "
                "the Pdb process. For example, the process may not be running.");
        default:
            return tr("An unknown error in the Pdb process occurred. ");
    }
}

void PdbEngine::handlePdbFinished(int code, QProcess::ExitStatus type)
{
605
    showMessage(_("PDB PROCESS FINISHED, status %1, code %2").arg(type).arg(code));
hjk's avatar
hjk committed
606 607 608 609 610 611 612 613 614
    //shutdown();
    //initializeVariables();
    setState(DebuggerNotReady, true);
}

void PdbEngine::readPdbStandardError()
{
    QByteArray err = m_pdbProc.readAllStandardError();
    qWarning() << "Unexpected pdb stderr:" << err;
615
    showMessage(_("Unexpected pdb stderr: " + err));
hjk's avatar
hjk committed
616 617 618 619 620 621 622 623 624 625
}

void PdbEngine::readPdbStandardOutput()
{
    m_inbuffer.append(m_pdbProc.readAllStandardOutput());
    //qDebug() << "BUFFER FROM: '" << m_inbuffer << "'";
    int pos = 1;
    while ((pos = m_inbuffer.indexOf("(Pdb)")) != -1) {
        PdbResponse response;
        response.data = m_inbuffer.left(pos).trimmed();
626
        showMessage(_(response.data));
hjk's avatar
hjk committed
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
        m_inbuffer = m_inbuffer.mid(pos + 6);
        QTC_ASSERT(!m_commands.isEmpty(),
            qDebug() << "RESPONSE: " << response.data; return)
        PdbCommand cmd = m_commands.dequeue();
        response.cookie = cmd.cookie;
        if (cmd.callback) {
            //qDebug() << "EXECUTING CALLBACK " << cmd.callbackName
            //    << " RESPONSE: " << response.data;
            (this->*cmd.callback)(response);
        } else {
            qDebug() << "NO CALLBACK FOR RESPONSE: " << response.data;
        }
    }
    //qDebug() << "BUFFER LEFT: '" << m_inbuffer << "'";
}

void PdbEngine::handleResponse(const QByteArray &response0)
{
    QByteArray response = response0;
    qDebug() << "RESPONSE: '" << response << "'";
    if (response.startsWith("--Call--")) {
        qDebug() << "SKIPPING '--Call--' MARKER";
        response = response.mid(9);
    }
    if (response.startsWith("--Return--")) {
        qDebug() << "SKIPPING '--Return--' MARKER";
        response = response.mid(11);
    }
    if (response.startsWith("> ")) {
        int pos1 = response.indexOf('(');
        int pos2 = response.indexOf(')', pos1);
        if (pos1 != -1 && pos2 != -1) {
            int lineNumber = response.mid(pos1 + 1, pos2 - pos1 - 1).toInt();
            QByteArray fileName = response.mid(2, pos1 - 2);
            qDebug() << " " << pos1 << pos2 << lineNumber << fileName 
                << response.mid(pos1 + 1, pos2 - pos1 - 1);
            StackFrame frame;
            frame.file = _(fileName);
            frame.line = lineNumber;
            if (frame.line > 0 && QFileInfo(frame.file).exists()) {
667
                gotoLocation(frame, true);
hjk's avatar
hjk committed
668 669 670 671 672 673 674 675 676
                setState(InferiorStopping);
                setState(InferiorStopped);
                return;
            }
        }
    }
    qDebug() << "COULD NOT PARSE RESPONSE: '" << response << "'";
}

hjk's avatar
hjk committed
677 678 679 680 681
void PdbEngine::handleFirstCommand(const PdbResponse &response)
{
    Q_UNUSED(response);
}

hjk's avatar
hjk committed
682 683 684
void PdbEngine::handleUpdateAll(const PdbResponse &response)
{
    Q_UNUSED(response);
685 686
    setState(InferiorStopping);
    setState(InferiorStopped);
hjk's avatar
hjk committed
687 688 689 690 691
    updateAll();
}

void PdbEngine::updateAll()
{
692
    WatchHandler *handler = watchHandler();
hjk's avatar
hjk committed
693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743

    QByteArray watchers;
    //if (!m_toolTipExpression.isEmpty())
    //    watchers += m_toolTipExpression.toLatin1()
    //        + '#' + tooltipINameForExpression(m_toolTipExpression.toLatin1());

    QHash<QByteArray, int> watcherNames = handler->watcherNames();
    QHashIterator<QByteArray, int> it(watcherNames);
    while (it.hasNext()) {
        it.next();
        if (!watchers.isEmpty())
            watchers += "##";
        if (it.key() == WatchHandler::watcherEditPlaceHolder().toLatin1())
            watchers += "<Edit>#watch." + QByteArray::number(it.value());
        else
            watchers += it.key() + "#watch." + QByteArray::number(it.value());
    }

    QByteArray options;
    if (theDebuggerBoolSetting(UseDebuggingHelpers))
        options += "fancy,";
    if (theDebuggerBoolSetting(AutoDerefPointers))
        options += "autoderef,";
    if (options.isEmpty())
        options += "defaults,";
    options.chop(1);

    postCommand("bt", CB(handleBacktrace));
    postCommand("qdebug('" + options + "','"
        + handler->expansionRequests() + "','"
        + handler->typeFormatRequests() + "','"
        + handler->individualFormatRequests() + "','"
        + watchers.toHex() + "')", CB(handleListLocals));
}

void PdbEngine::handleBacktrace(const PdbResponse &response)
{
    //qDebug() << " BACKTRACE: '" << response.data << "'";
    // "  /usr/lib/python2.6/bdb.py(368)run()"
    // "-> exec cmd in globals, locals"
    // "  <string>(1)<module>()"
    // "  /python/math.py(19)<module>()"
    // "-> main()"
    // "  /python/math.py(14)main()"
    // "-> print cube(3)"
    // "  /python/math.py(7)cube()"
    // "-> x = square(a)"
    // "> /python/math.py(2)square()"
    // "-> def square(a):"

    // Populate stack view.
744
    StackFrames stackFrames;
hjk's avatar
hjk committed
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
    int level = 0;
    int currentIndex = -1;
    foreach (const QByteArray &line, response.data.split('\n')) {
        //qDebug() << "  LINE: '" << line << "'";
        if (line.startsWith("> ") || line.startsWith("  ")) {
            int pos1 = line.indexOf('(');
            int pos2 = line.indexOf(')', pos1);
            if (pos1 != -1 && pos2 != -1) {
                int lineNumber = line.mid(pos1 + 1, pos2 - pos1 - 1).toInt();
                QByteArray fileName = line.mid(2, pos1 - 2);
                //qDebug() << " " << pos1 << pos2 << lineNumber << fileName 
                //    << line.mid(pos1 + 1, pos2 - pos1 - 1);
                StackFrame frame;
                frame.file = _(fileName);
                frame.line = lineNumber;
                frame.function = _(line.mid(pos2 + 1));
                if (frame.line > 0 && QFileInfo(frame.file).exists()) {
                    if (line.startsWith("> "))
                        currentIndex = level;
                    frame.level = level;
                    stackFrames.prepend(frame);
                    ++level;
                }
            }
        }
    }
    const int frameCount = stackFrames.size();
    for (int i = 0; i != frameCount; ++i) 
        stackFrames[i].level = frameCount - stackFrames[i].level - 1; 
774
    stackHandler()->setFrames(stackFrames);
hjk's avatar
hjk committed
775 776 777 778

    // Select current frame.
    if (currentIndex != -1) {
        currentIndex = frameCount - currentIndex - 1;
779 780
        stackHandler()->setCurrentIndex(currentIndex);
        gotoLocation(stackFrames.at(currentIndex), true);
hjk's avatar
hjk committed
781 782 783 784 785 786 787 788 789 790 791 792 793 794
    }
}

void PdbEngine::handleListLocals(const PdbResponse &response)
{
    //qDebug() << " LOCALS: '" << response.data << "'";
    QByteArray out = response.data.trimmed();

    GdbMi all;
    all.fromStringMultiple(out);
    //qDebug() << "ALL: " << all.toString();

    //GdbMi data = all.findChild("data");
    QList<WatchData> list;
795
    WatchHandler *handler = watchHandler();
hjk's avatar
hjk committed
796 797 798 799 800
    foreach (const GdbMi &child, all.children()) {
        WatchData dummy;
        dummy.iname = child.findChild("iname").data();
        dummy.name = _(child.findChild("name").data());
        //qDebug() << "CHILD: " << child.toString();
801
        parseWatchData(handler->expandedINames(), dummy, child, &list);
hjk's avatar
hjk committed
802
    }
803
    handler->insertBulkData(list);
hjk's avatar
hjk committed
804 805 806 807 808 809
}

void PdbEngine::handleLoadDumper(const PdbResponse &response)
{
    Q_UNUSED(response);
    //qDebug() << " DUMPERS LOADED '" << response.data << "'";
hjk's avatar
hjk committed
810 811
    //continueInferior();
    notifyInferiorSetupOk();
hjk's avatar
hjk committed
812 813
}

hjk's avatar
hjk committed
814 815 816 817 818
unsigned PdbEngine::debuggerCapabilities() const
{
    return ReloadModuleCapability;
}

819
DebuggerEngine *createPdbEngine(const DebuggerStartParameters &startParameters)
hjk's avatar
hjk committed
820
{
821
    return new PdbEngine(startParameters);
hjk's avatar
hjk committed
822 823 824 825 826
}


} // namespace Internal
} // namespace Debugger