pdbengine.cpp 24.8 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
    m_pdbProc.write(cmd.command + "\n");
}

hjk's avatar
hjk committed
121
void PdbEngine::shutdownInferior()
hjk's avatar
hjk committed
122
{
hjk's avatar
hjk committed
123 124
    QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << state());
    notifyInferiorShutdownOk();
hjk's avatar
hjk committed
125 126
}

hjk's avatar
hjk committed
127
void PdbEngine::shutdownEngine()
hjk's avatar
hjk committed
128
{
hjk's avatar
hjk committed
129 130
    QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << state());
    SDEBUG("PdbEngine::shutdownEngine()");
hjk's avatar
hjk committed
131 132 133
    m_pdbProc.kill();
}

hjk's avatar
hjk committed
134
void PdbEngine::setupEngine()
hjk's avatar
hjk committed
135
{
hjk's avatar
hjk committed
136
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
hjk's avatar
hjk committed
137

138
    m_scriptFileName = QFileInfo(startParameters().executable).absoluteFilePath();
hjk's avatar
hjk committed
139 140
    QFile scriptFile(m_scriptFileName);
    if (!scriptFile.open(QIODevice::ReadOnly|QIODevice::Text)) {
141 142
        //showMessage("STARTING " +m_scriptFileName + "FAILED");
        showMessage(QString::fromLatin1("Cannot open %1: %2").
143
                   arg(m_scriptFileName, scriptFile.errorString()), LogError);
144
        notifyEngineSetupFailed();
hjk's avatar
hjk committed
145 146 147 148 149
        return;
    }
    m_pdbProc.disconnect(); // From any previous runs

    m_pdb = _("/usr/bin/python");
150
    showMessage(_("STARTING PDB ") + m_pdb);
hjk's avatar
hjk committed
151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
    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
168
    cmd.callback = &PdbEngine::handleFirstCommand;
hjk's avatar
hjk committed
169 170 171
    m_commands.enqueue(cmd);

    m_pdbProc.start(m_pdb, gdbArgs);
hjk's avatar
hjk committed
172
    //qDebug() << "STARTING:" << m_pdb << gdbArgs;
hjk's avatar
hjk committed
173 174 175 176

    if (!m_pdbProc.waitForStarted()) {
        const QString msg = tr("Unable to start pdb '%1': %2")
            .arg(m_pdb, m_pdbProc.errorString());
177
        notifyEngineSetupFailed();
178
        showMessage(_("ADAPTER START FAILED"));
hjk's avatar
hjk committed
179 180 181 182
        if (!msg.isEmpty()) {
            const QString title = tr("Adapter start failed");
            Core::ICore::instance()->showWarningWithOptions(title, msg);
        }
183
        notifyEngineSetupFailed();
hjk's avatar
hjk committed
184 185
        return;
    }
186
    notifyEngineSetupOk();
hjk's avatar
hjk committed
187 188 189 190
}

void PdbEngine::setupInferior()
{
hjk's avatar
hjk committed
191
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
hjk's avatar
hjk committed
192 193
    attemptBreakpointSynchronization();

194
    showMessage(_("PDB STARTED, INITIALIZING IT"));
hjk's avatar
hjk committed
195 196 197 198 199 200
    const QByteArray dumperSourcePath =
        Core::ICore::instance()->resourcePath().toLocal8Bit() + "/gdbmacros/";
    postCommand("execfile('" + dumperSourcePath + "pdumper.py')",
        CB(handleLoadDumper));
}

hjk's avatar
hjk committed
201
void PdbEngine::runEngine()
hjk's avatar
hjk committed
202
{
hjk's avatar
hjk committed
203 204
    showStatusMessage(tr("Running requested..."), 5000);
    SDEBUG("PdbEngine::runEngine()");
205 206
    notifyEngineRunAndInferiorRunOk();
    postCommand("continue", CB(handleUpdateAll));
hjk's avatar
hjk committed
207 208 209 210
}

void PdbEngine::interruptInferior()
{
211
    notifyInferiorStopOk();
hjk's avatar
hjk committed
212 213 214 215
}

void PdbEngine::executeStep()
{
216
    resetLocation();
217 218
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
hjk's avatar
hjk committed
219 220 221 222 223
    postCommand("step", CB(handleUpdateAll));
}

void PdbEngine::executeStepI()
{
224
    resetLocation();
225 226
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
hjk's avatar
hjk committed
227 228 229 230 231
    postCommand("step", CB(handleUpdateAll));
}

void PdbEngine::executeStepOut()
{
232
    resetLocation();
233 234
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
hjk's avatar
hjk committed
235 236 237 238 239
    postCommand("finish", CB(handleUpdateAll));
}

void PdbEngine::executeNext()
{
240
    resetLocation();
241 242
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
hjk's avatar
hjk committed
243 244 245 246 247
    postCommand("next", CB(handleUpdateAll));
}

void PdbEngine::executeNextI()
{
248
    resetLocation();
249 250
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
hjk's avatar
hjk committed
251 252 253 254 255
    postCommand("next", CB(handleUpdateAll));
}

void PdbEngine::continueInferior()
{
256
    resetLocation();
257 258
    notifyInferiorRunRequested();
    notifyInferiorRunOk();
hjk's avatar
hjk committed
259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284
    // 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)
{
285
    resetLocation();
hjk's avatar
hjk committed
286
    if (state() != InferiorStopOk && state() != InferiorUnrunnable)
hjk's avatar
hjk committed
287 288
        return;

289 290
    StackHandler *handler = stackHandler();
    int oldIndex = handler->currentIndex();
hjk's avatar
hjk committed
291

292
    //if (frameIndex == handler->stackSize()) {
hjk's avatar
hjk committed
293 294 295 296
    //    reloadFullStack();
    //    return;
    //}

297
    QTC_ASSERT(frameIndex < handler->stackSize(), return);
hjk's avatar
hjk committed
298 299 300 301 302

    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.
303
        handler->setCurrentIndex(frameIndex);
hjk's avatar
hjk committed
304 305 306
        //postCommand("-stack-select-frame " + QByteArray::number(frameIndex),
        //    CB(handleStackSelectFrame));
    }
307
    gotoLocation(handler->currentFrame(), true);
hjk's avatar
hjk committed
308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331
}

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()
{
332
    BreakHandler *handler = breakHandler();
hjk's avatar
hjk committed
333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
    //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();
364
    BreakHandler *handler = breakHandler();
hjk's avatar
hjk committed
365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390
    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
391 392 393 394 395 396 397
    postCommand("qdebug('listmodules')", CB(handleListModules));
}

void PdbEngine::handleListModules(const PdbResponse &response)
{
    GdbMi out;
    out.fromString(response.data.trimmed());
398
    Modules modules;
hjk's avatar
hjk committed
399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414
    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);
    }
415
    modulesHandler()->setModules(modules);
hjk's avatar
hjk committed
416 417
}

hjk's avatar
hjk committed
418
void PdbEngine::requestModuleSymbols(const QString &moduleName)
hjk's avatar
hjk committed
419
{
hjk's avatar
hjk committed
420 421
    postCommand("qdebug('listsymbols','" + moduleName.toLatin1() + "')",
        CB(handleListSymbols), moduleName);
hjk's avatar
hjk committed
422 423
}

hjk's avatar
hjk committed
424 425 426 427
void PdbEngine::handleListSymbols(const PdbResponse &response)
{
    GdbMi out;
    out.fromString(response.data.trimmed());
428
    Symbols symbols;
hjk's avatar
hjk committed
429 430 431 432 433 434
    QString moduleName = response.cookie.toString();
    foreach (const GdbMi &item, out.children()) {
        Symbol symbol;
        symbol.name = _(item.findChild("name").data());
        symbols.append(symbol);
    }
435
    showModuleSymbols(moduleName, symbols);
hjk's avatar
hjk committed
436
}
hjk's avatar
hjk committed
437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455

//////////////////////////////////////////////////////////////////////
//
// 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)

hjk's avatar
hjk committed
456
    if (state() != InferiorStopOk) {
hjk's avatar
hjk committed
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
        //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
hjk's avatar
hjk committed
512
    //if (status() != InferiorStopOk)
hjk's avatar
hjk committed
513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551
    //    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)
{
552
    showMessage(_("HANDLE PDB ERROR"));
hjk's avatar
hjk committed
553 554 555 556 557 558 559 560
    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:
561
        //setState(EngineShutdownRequested, true);
hjk's avatar
hjk committed
562
        m_pdbProc.kill();
563
        showMessageBox(QMessageBox::Critical, tr("Pdb I/O Error"),
hjk's avatar
hjk committed
564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597
                       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)
{
598
    showMessage(_("PDB PROCESS FINISHED, status %1, code %2").arg(type).arg(code));
599
    notifyEngineSpontaneousShutdown();
hjk's avatar
hjk committed
600 601 602 603 604 605
}

void PdbEngine::readPdbStandardError()
{
    QByteArray err = m_pdbProc.readAllStandardError();
    qWarning() << "Unexpected pdb stderr:" << err;
606
    showMessage(_("Unexpected pdb stderr: " + err));
hjk's avatar
hjk committed
607 608 609 610 611 612 613 614 615 616
}

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();
617
        showMessage(_(response.data));
hjk's avatar
hjk committed
618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657
        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()) {
658
                gotoLocation(frame, true);
659
                notifyInferiorSpontaneousStop();
hjk's avatar
hjk committed
660 661 662 663 664 665 666
                return;
            }
        }
    }
    qDebug() << "COULD NOT PARSE RESPONSE: '" << response << "'";
}

hjk's avatar
hjk committed
667 668 669 670 671
void PdbEngine::handleFirstCommand(const PdbResponse &response)
{
    Q_UNUSED(response);
}

hjk's avatar
hjk committed
672 673 674
void PdbEngine::handleUpdateAll(const PdbResponse &response)
{
    Q_UNUSED(response);
675
    notifyInferiorSpontaneousStop();
hjk's avatar
hjk committed
676 677 678 679 680
    updateAll();
}

void PdbEngine::updateAll()
{
681
    WatchHandler *handler = watchHandler();
hjk's avatar
hjk committed
682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732

    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.
733
    StackFrames stackFrames;
hjk's avatar
hjk committed
734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762
    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; 
763
    stackHandler()->setFrames(stackFrames);
hjk's avatar
hjk committed
764 765 766 767

    // Select current frame.
    if (currentIndex != -1) {
        currentIndex = frameCount - currentIndex - 1;
768 769
        stackHandler()->setCurrentIndex(currentIndex);
        gotoLocation(stackFrames.at(currentIndex), true);
hjk's avatar
hjk committed
770 771 772 773 774 775 776 777 778 779 780 781 782 783
    }
}

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;
784
    WatchHandler *handler = watchHandler();
hjk's avatar
hjk committed
785 786 787 788 789
    foreach (const GdbMi &child, all.children()) {
        WatchData dummy;
        dummy.iname = child.findChild("iname").data();
        dummy.name = _(child.findChild("name").data());
        //qDebug() << "CHILD: " << child.toString();
790
        parseWatchData(handler->expandedINames(), dummy, child, &list);
hjk's avatar
hjk committed
791
    }
792
    handler->insertBulkData(list);
hjk's avatar
hjk committed
793 794 795 796 797 798
}

void PdbEngine::handleLoadDumper(const PdbResponse &response)
{
    Q_UNUSED(response);
    //qDebug() << " DUMPERS LOADED '" << response.data << "'";
hjk's avatar
hjk committed
799 800
    //continueInferior();
    notifyInferiorSetupOk();
hjk's avatar
hjk committed
801 802
}

hjk's avatar
hjk committed
803 804 805 806 807
unsigned PdbEngine::debuggerCapabilities() const
{
    return ReloadModuleCapability;
}

808
DebuggerEngine *createPdbEngine(const DebuggerStartParameters &startParameters)
hjk's avatar
hjk committed
809
{
810
    return new PdbEngine(startParameters);
hjk's avatar
hjk committed
811 812 813 814 815
}


} // namespace Internal
} // namespace Debugger