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qt-creator/src/plugins/debugger/debuggerengine.cpp
Ulf Hermann d771ba8921 Debugger: Don't clear unrelated views when updating locals 
If the list of partial expressions is empty we need to tell the watch
handler that we are only updating the locals view, not e.g. the
inspector view.

Change-Id: Iedc74ffc66a8435faa272d053849b831f6b8cbbe
Task-number: QTCREATORBUG-16692
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: hjk <hjk@qt.io>
2016-11-04 09:35:10 +00:00

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "debuggerengine.h"
#include "debuggerinternalconstants.h"
#include "debuggeractions.h"
#include "debuggercore.h"
#include "debuggericons.h"
#include "debuggerruncontrol.h"
#include "debuggerstartparameters.h"
#include "debuggertooltipmanager.h"
#include "breakhandler.h"
#include "disassembleragent.h"
#include "logwindow.h"
#include "memoryagent.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "sourcefileshandler.h"
#include "sourceutils.h"
#include "stackhandler.h"
#include "terminal.h"
#include "threadshandler.h"
#include "watchhandler.h"
#include "debugger/shared/peutils.h"
#include "console/console.h"
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/icore.h>
#include <coreplugin/idocument.h>
#include <coreplugin/messagebox.h>
#include <coreplugin/progressmanager/progressmanager.h>
#include <coreplugin/progressmanager/futureprogress.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/taskhub.h>
#include <texteditor/texteditor.h>
#include <utils/fileinprojectfinder.h>
#include <utils/macroexpander.h>
#include <utils/qtcassert.h>
#include <utils/savedaction.h>
#include <QDebug>
#include <QTimer>
#include <QFileInfo>
#include <QDir>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonValue>
using namespace Core;
using namespace Debugger::Internal;
using namespace ProjectExplorer;
using namespace TextEditor;
//#define WITH_BENCHMARK
#ifdef WITH_BENCHMARK
#include <valgrind/callgrind.h>
#endif
// VariableManager Prefix
const char PrefixDebugExecutable[] = "DebuggedExecutable";
namespace Debugger {
QDebug operator<<(QDebug d, DebuggerState state)
{
//return d << DebuggerEngine::stateName(state) << '(' << int(state) << ')';
return d << DebuggerEngine::stateName(state);
}
QDebug operator<<(QDebug str, const DebuggerRunParameters &sp)
{
QDebug nospace = str.nospace();
nospace << "executable=" << sp.inferior.executable
<< " coreFile=" << sp.coreFile
<< " processArgs=" << sp.inferior.commandLineArguments
<< " inferior environment=<" << sp.inferior.environment.size() << " variables>"
<< " debugger environment=<" << sp.debugger.environment.size() << " variables>"
<< " workingDir=" << sp.inferior.workingDirectory
<< " attachPID=" << sp.attachPID
<< " useTerminal=" << sp.useTerminal
<< " remoteChannel=" << sp.remoteChannel
<< " serverStartScript=" << sp.serverStartScript
<< " abi=" << sp.toolChainAbi.toString() << '\n';
return str;
}
namespace Internal {
Location::Location(const StackFrame &frame, bool marker)
{
m_fileName = frame.file;
m_lineNumber = frame.line;
m_needsMarker = marker;
m_functionName = frame.function;
m_hasDebugInfo = frame.isUsable();
m_address = frame.address;
m_from = frame.module;
}
LocationMark::LocationMark(DebuggerEngine *engine, const QString &file, int line)
: TextMark(file, line, Constants::TEXT_MARK_CATEGORY_LOCATION), m_engine(engine)
{
setIcon(Icons::LOCATION.icon());
setPriority(TextMark::HighPriority);
}
bool LocationMark::isDraggable() const
{
return m_engine->hasCapability(JumpToLineCapability);
}
void LocationMark::dragToLine(int line)
{
if (m_engine) {
if (BaseTextEditor *textEditor = BaseTextEditor::currentTextEditor()) {
ContextData location = getLocationContext(textEditor->textDocument(), line);
if (location.isValid())
m_engine->executeJumpToLine(location);
}
}
}
//////////////////////////////////////////////////////////////////////
//
// MemoryAgentSet
//
//////////////////////////////////////////////////////////////////////
class MemoryAgentSet
{
public:
~MemoryAgentSet()
{
qDeleteAll(m_agents);
m_agents.clear();
}
// Called by engine to create a new view.
void createBinEditor(const MemoryViewSetupData &data, DebuggerEngine *engine)
{
auto agent = new MemoryAgent(data, engine);
if (agent->isUsable()) {
m_agents.append(agent);
} else {
delete agent;
AsynchronousMessageBox::warning(
DebuggerEngine::tr("No Memory Viewer Available"),
DebuggerEngine::tr("The memory contents cannot be shown as no viewer plugin "
"for binary data has been loaded."));
}
}
// On stack frame completed and on request.
void updateContents()
{
foreach (MemoryAgent *agent, m_agents) {
if (agent)
agent->updateContents();
}
}
void handleDebuggerFinished()
{
foreach (MemoryAgent *agent, m_agents) {
if (agent)
agent->setFinished(); // Prevent triggering updates, etc.
}
}
private:
QList<MemoryAgent *> m_agents;
};
//////////////////////////////////////////////////////////////////////
//
// DebuggerEnginePrivate
//
//////////////////////////////////////////////////////////////////////
// transitions:
// None->Requested
// Requested->Succeeded
// Requested->Failed
// Requested->Cancelled
enum RemoteSetupState { RemoteSetupNone, RemoteSetupRequested,
RemoteSetupSucceeded, RemoteSetupFailed,
RemoteSetupCancelled };
class DebuggerEnginePrivate : public QObject
{
Q_OBJECT
public:
DebuggerEnginePrivate(DebuggerEngine *engine, const DebuggerRunParameters &sp)
: m_engine(engine),
m_runParameters(sp),
m_modulesHandler(engine),
m_registerHandler(engine),
m_sourceFilesHandler(engine),
m_stackHandler(engine),
m_threadsHandler(engine),
m_watchHandler(engine),
m_disassemblerAgent(engine),
m_isStateDebugging(false)
{
connect(&m_locationTimer, &QTimer::timeout,
this, &DebuggerEnginePrivate::resetLocation);
connect(action(IntelFlavor), &Utils::SavedAction::valueChanged,
this, &DebuggerEnginePrivate::reloadDisassembly);
Utils::globalMacroExpander()->registerFileVariables(PrefixDebugExecutable,
tr("Debugged executable"),
[this] { return m_runParameters.inferior.executable; });
}
void doSetupEngine();
void doSetupInferior();
void doRunEngine();
void doShutdownEngine();
void doShutdownInferior();
void doInterruptInferior();
void doFinishDebugger();
void reloadDisassembly()
{
m_disassemblerAgent.reload();
}
void queueSetupEngine()
{
m_engine->setState(EngineSetupRequested);
m_engine->showMessage("QUEUE: SETUP ENGINE");
QTimer::singleShot(0, this, &DebuggerEnginePrivate::doSetupEngine);
}
void queueSetupInferior()
{
m_engine->setState(InferiorSetupRequested);
m_engine->showMessage("QUEUE: SETUP INFERIOR");
QTimer::singleShot(0, this, &DebuggerEnginePrivate::doSetupInferior);
}
void queueRunEngine()
{
m_engine->setState(EngineRunRequested);
m_engine->showMessage("QUEUE: RUN ENGINE");
QTimer::singleShot(0, this, &DebuggerEnginePrivate::doRunEngine);
}
void queueShutdownEngine()
{
m_engine->setState(EngineShutdownRequested);
m_engine->showMessage("QUEUE: SHUTDOWN ENGINE");
QTimer::singleShot(0, this, &DebuggerEnginePrivate::doShutdownEngine);
}
void queueShutdownInferior()
{
m_engine->setState(InferiorShutdownRequested);
m_engine->showMessage("QUEUE: SHUTDOWN INFERIOR");
QTimer::singleShot(0, this, &DebuggerEnginePrivate::doShutdownInferior);
}
void queueFinishDebugger()
{
QTC_ASSERT(state() == EngineShutdownOk
|| state() == EngineShutdownFailed, qDebug() << state());
m_engine->setState(DebuggerFinished);
resetLocation();
if (isMasterEngine()) {
m_engine->showMessage("QUEUE: FINISH DEBUGGER");
QTimer::singleShot(0, this, &DebuggerEnginePrivate::doFinishDebugger);
}
}
void raiseApplication()
{
QTC_ASSERT(runControl(), return);
runControl()->bringApplicationToForeground(m_inferiorPid);
}
void scheduleResetLocation()
{
m_stackHandler.scheduleResetLocation();
m_watchHandler.scheduleResetLocation();
m_threadsHandler.scheduleResetLocation();
m_disassemblerAgent.scheduleResetLocation();
m_locationTimer.setSingleShot(true);
m_locationTimer.start(80);
}
void resetLocation()
{
m_lookupRequests.clear();
m_locationTimer.stop();
m_locationMark.reset();
m_stackHandler.resetLocation();
m_watchHandler.resetLocation();
m_threadsHandler.resetLocation();
m_disassemblerAgent.resetLocation();
DebuggerToolTipManager::resetLocation();
}
public:
DebuggerState state() const { return m_state; }
RemoteSetupState remoteSetupState() const { return m_remoteSetupState; }
bool isMasterEngine() const { return m_engine->isMasterEngine(); }
DebuggerRunControl *runControl() const
{ return m_masterEngine ? m_masterEngine->runControl() : m_runControl; }
void setRemoteSetupState(RemoteSetupState state);
DebuggerEngine *m_engine = nullptr; // Not owned.
DebuggerEngine *m_masterEngine = nullptr; // Not owned
DebuggerRunControl *m_runControl = nullptr; // Not owned.
DebuggerRunParameters m_runParameters;
// The current state.
DebuggerState m_state = DebuggerNotReady;
// The state we had before something unexpected happend.
DebuggerState m_lastGoodState = DebuggerNotReady;
// The state we are aiming for.
DebuggerState m_targetState = DebuggerNotReady;
// State of RemoteSetup signal/slots.
RemoteSetupState m_remoteSetupState = RemoteSetupNone;
Terminal m_terminal;
qint64 m_inferiorPid = 0;
ModulesHandler m_modulesHandler;
RegisterHandler m_registerHandler;
SourceFilesHandler m_sourceFilesHandler;
StackHandler m_stackHandler;
ThreadsHandler m_threadsHandler;
WatchHandler m_watchHandler;
QFutureInterface<void> m_progress;
DisassemblerAgent m_disassemblerAgent;
MemoryAgentSet m_memoryAgents;
QScopedPointer<LocationMark> m_locationMark;
QTimer m_locationTimer;
bool m_isStateDebugging = false;
Utils::FileInProjectFinder m_fileFinder;
QString m_qtNamespace;
// Safety net to avoid infinite lookups.
QSet<QString> m_lookupRequests; // FIXME: Integrate properly.
};
//////////////////////////////////////////////////////////////////////
//
// DebuggerEngine
//
//////////////////////////////////////////////////////////////////////
DebuggerEngine::DebuggerEngine(const DebuggerRunParameters &startParameters)
: d(new DebuggerEnginePrivate(this, startParameters))
{}
DebuggerEngine::~DebuggerEngine()
{
disconnect();
delete d;
}
QString DebuggerEngine::stateName(int s)
{
# define SN(x) case x: return QLatin1String(#x);
switch (s) {
SN(DebuggerNotReady)
SN(EngineSetupRequested)
SN(EngineSetupOk)
SN(EngineSetupFailed)
SN(EngineRunFailed)
SN(InferiorSetupRequested)
SN(InferiorSetupFailed)
SN(InferiorSetupOk)
SN(EngineRunRequested)
SN(InferiorRunRequested)
SN(InferiorRunOk)
SN(InferiorRunFailed)
SN(InferiorUnrunnable)
SN(InferiorStopRequested)
SN(InferiorStopOk)
SN(InferiorStopFailed)
SN(InferiorShutdownRequested)
SN(InferiorShutdownOk)
SN(InferiorShutdownFailed)
SN(EngineShutdownRequested)
SN(EngineShutdownOk)
SN(EngineShutdownFailed)
SN(DebuggerFinished)
}
return QLatin1String("<unknown>");
# undef SN
}
void DebuggerEngine::showStatusMessage(const QString &msg, int timeout) const
{
showMessage(msg, StatusBar, timeout);
}
void DebuggerEngine::frameUp()
{
int currentIndex = stackHandler()->currentIndex();
activateFrame(qMin(currentIndex + 1, stackHandler()->stackSize() - 1));
}
void DebuggerEngine::frameDown()
{
int currentIndex = stackHandler()->currentIndex();
activateFrame(qMax(currentIndex - 1, 0));
}
void DebuggerEngine::doUpdateLocals(const UpdateParameters &)
{
}
void DebuggerEngine::setTargetState(DebuggerState state)
{
d->m_targetState = state;
}
ModulesHandler *DebuggerEngine::modulesHandler() const
{
return d->m_masterEngine
? d->m_masterEngine->modulesHandler()
: &d->m_modulesHandler;
}
RegisterHandler *DebuggerEngine::registerHandler() const
{
return d->m_masterEngine
? d->m_masterEngine->registerHandler()
: &d->m_registerHandler;
}
StackHandler *DebuggerEngine::stackHandler() const
{
return d->m_masterEngine
? d->m_masterEngine->stackHandler()
: &d->m_stackHandler;
}
ThreadsHandler *DebuggerEngine::threadsHandler() const
{
return d->m_masterEngine
? d->m_masterEngine->threadsHandler()
: &d->m_threadsHandler;
}
WatchHandler *DebuggerEngine::watchHandler() const
{
return d->m_masterEngine
? d->m_masterEngine->watchHandler()
: &d->m_watchHandler;
}
SourceFilesHandler *DebuggerEngine::sourceFilesHandler() const
{
return d->m_masterEngine
? d->m_masterEngine->sourceFilesHandler()
: &d->m_sourceFilesHandler;
}
QAbstractItemModel *DebuggerEngine::modulesModel() const
{
return modulesHandler()->model();
}
QAbstractItemModel *DebuggerEngine::registerModel() const
{
return registerHandler()->model();
}
QAbstractItemModel *DebuggerEngine::stackModel() const
{
return stackHandler()->model();
}
QAbstractItemModel *DebuggerEngine::threadsModel() const
{
return threadsHandler()->model();
}
QAbstractItemModel *DebuggerEngine::watchModel() const
{
return watchHandler()->model();
}
QAbstractItemModel *DebuggerEngine::sourceFilesModel() const
{
return sourceFilesHandler()->model();
}
void DebuggerEngine::fetchMemory(MemoryAgent *, quint64 addr, quint64 length)
{
Q_UNUSED(addr);
Q_UNUSED(length);
}
void DebuggerEngine::changeMemory(MemoryAgent *, quint64 addr, const QByteArray &data)
{
Q_UNUSED(addr);
Q_UNUSED(data);
}
void DebuggerEngine::setRegisterValue(const QString &name, const QString &value)
{
Q_UNUSED(name);
Q_UNUSED(value);
}
void DebuggerEngine::showMessage(const QString &msg, int channel, int timeout) const
{
if (d->m_masterEngine) {
d->m_masterEngine->showMessage(msg, channel, timeout);
return;
}
//if (msg.size() && msg.at(0).isUpper() && msg.at(1).isUpper())
// qDebug() << qPrintable(msg) << "IN STATE" << state();
if (channel == ConsoleOutput)
debuggerConsole()->printItem(ConsoleItem::DefaultType, msg);
Internal::showMessage(msg, channel, timeout);
switch (channel) {
case AppOutput:
case AppError:
case AppStuff:
if (d->m_runControl)
d->m_runControl->handleApplicationOutput(msg, channel);
else
qWarning("Warning: %s (no active run control)", qPrintable(msg));
break;
default:
break;
}
}
void DebuggerEngine::startDebugger(DebuggerRunControl *runControl)
{
QTC_ASSERT(runControl, notifyEngineSetupFailed(); return);
QTC_ASSERT(!d->m_runControl, notifyEngineSetupFailed(); return);
d->m_progress.setProgressRange(0, 1000);
FutureProgress *fp = ProgressManager::addTask(d->m_progress.future(),
tr("Launching Debugger"), "Debugger.Launcher");
connect(fp, &FutureProgress::canceled, this, &DebuggerEngine::quitDebugger);
fp->setKeepOnFinish(FutureProgress::HideOnFinish);
d->m_progress.reportStarted();
d->m_runControl = runControl;
d->m_inferiorPid = d->m_runParameters.attachPID > 0
? d->m_runParameters.attachPID : 0;
if (d->m_inferiorPid)
d->m_runControl->setApplicationProcessHandle(ProcessHandle(d->m_inferiorPid));
if (isNativeMixedActive())
d->m_runParameters.inferior.environment.set("QV4_FORCE_INTERPRETER", "1");
action(OperateByInstruction)->setEnabled(hasCapability(DisassemblerCapability));
QTC_ASSERT(state() == DebuggerNotReady || state() == DebuggerFinished,
qDebug() << state());
d->m_lastGoodState = DebuggerNotReady;
d->m_targetState = DebuggerNotReady;
d->m_progress.setProgressValue(200);
d->m_terminal.setup();
if (d->m_terminal.isUsable()) {
connect(&d->m_terminal, &Terminal::stdOutReady, [this, runControl](const QString &msg) {
runControl->appendMessage(msg, Utils::StdOutFormatSameLine);
});
connect(&d->m_terminal, &Terminal::stdErrReady, [this, runControl](const QString &msg) {
runControl->appendMessage(msg, Utils::StdErrFormatSameLine);
});
connect(&d->m_terminal, &Terminal::error, [this, runControl](const QString &msg) {
runControl->appendMessage(msg, Utils::ErrorMessageFormat);
});
}
d->queueSetupEngine();
}
void DebuggerEngine::resetLocation()
{
// Do it after some delay to avoid flicker.
d->scheduleResetLocation();
}
void DebuggerEngine::gotoLocation(const Location &loc)
{
d->resetLocation();
if (loc.canBeDisassembled()
&& ((hasCapability(OperateByInstructionCapability) && boolSetting(OperateByInstruction))
|| !loc.hasDebugInfo()) )
{
d->m_disassemblerAgent.setLocation(loc);
return;
}
if (loc.fileName().isEmpty()) {
showMessage("CANNOT GO TO THIS LOCATION");
return;
}
const QString file = QDir::cleanPath(loc.fileName());
const int line = loc.lineNumber();
bool newEditor = false;
IEditor *editor = EditorManager::openEditor(file, Id(),
EditorManager::IgnoreNavigationHistory, &newEditor);
QTC_ASSERT(editor, return); // Unreadable file?
editor->gotoLine(line, 0, !boolSetting(StationaryEditorWhileStepping));
if (newEditor)
editor->document()->setProperty(Constants::OPENED_BY_DEBUGGER, true);
if (loc.needsMarker())
d->m_locationMark.reset(new LocationMark(this, file, line));
}
// Called from RunControl.
void DebuggerEngine::handleStartFailed()
{
showMessage("HANDLE RUNCONTROL START FAILED");
d->m_runControl = 0;
d->m_progress.setProgressValue(900);
d->m_progress.reportCanceled();
d->m_progress.reportFinished();
}
// Called from RunControl.
void DebuggerEngine::handleFinished()
{
showMessage("HANDLE RUNCONTROL FINISHED");
d->m_runControl = 0;
d->m_progress.setProgressValue(1000);
d->m_progress.reportFinished();
modulesHandler()->removeAll();
stackHandler()->removeAll();
threadsHandler()->removeAll();
watchHandler()->cleanup();
}
const DebuggerRunParameters &DebuggerEngine::runParameters() const
{
return d->m_runParameters;
}
DebuggerRunParameters &DebuggerEngine::runParameters()
{
return d->m_runParameters;
}
DebuggerState DebuggerEngine::state() const
{
return d->m_state;
}
DebuggerState DebuggerEngine::lastGoodState() const
{
return d->m_lastGoodState;
}
DebuggerState DebuggerEngine::targetState() const
{
return d->m_targetState;
}
static bool isAllowedTransition(DebuggerState from, DebuggerState to)
{
switch (from) {
case DebuggerNotReady:
return to == EngineSetupRequested;
case EngineSetupRequested:
return to == EngineSetupOk || to == EngineSetupFailed;
case EngineSetupFailed:
// In is the engine's task to go into a proper "Shutdown"
// state before calling notifyEngineSetupFailed
return to == DebuggerFinished;
case EngineSetupOk:
return to == InferiorSetupRequested || to == EngineShutdownRequested;
case InferiorSetupRequested:
return to == InferiorSetupOk || to == InferiorSetupFailed;
case InferiorSetupFailed:
return to == EngineShutdownRequested;
case InferiorSetupOk:
return to == EngineRunRequested;
case EngineRunRequested:
return to == EngineRunFailed
|| to == InferiorRunRequested
|| to == InferiorRunOk
|| to == InferiorStopOk
|| to == InferiorUnrunnable;
case EngineRunFailed:
return to == EngineShutdownRequested;
case InferiorRunRequested:
return to == InferiorRunOk || to == InferiorRunFailed;
case InferiorRunFailed:
return to == InferiorStopOk;
case InferiorRunOk:
return to == InferiorStopRequested
|| to == InferiorStopOk // A spontaneous stop.
|| to == InferiorShutdownOk; // A spontaneous exit.
case InferiorStopRequested:
return to == InferiorStopOk || to == InferiorStopFailed;
case InferiorStopOk:
return to == InferiorRunRequested || to == InferiorShutdownRequested
|| to == InferiorStopOk || to == InferiorShutdownOk;
case InferiorStopFailed:
return to == EngineShutdownRequested;
case InferiorUnrunnable:
return to == InferiorShutdownRequested;
case InferiorShutdownRequested:
return to == InferiorShutdownOk || to == InferiorShutdownFailed;
case InferiorShutdownOk:
return to == EngineShutdownRequested;
case InferiorShutdownFailed:
return to == EngineShutdownRequested;
case EngineShutdownRequested:
return to == EngineShutdownOk || to == EngineShutdownFailed;
case EngineShutdownOk:
return to == DebuggerFinished;
case EngineShutdownFailed:
return to == DebuggerFinished;
case DebuggerFinished:
return to == EngineSetupRequested; // Happens on restart.
}
qDebug() << "UNKNOWN DEBUGGER STATE:" << from;
return false;
}
void DebuggerEngine::setupSlaveEngine()
{
QTC_CHECK(state() == DebuggerNotReady);
d->queueSetupEngine();
}
void DebuggerEnginePrivate::doSetupEngine()
{
m_engine->showMessage("CALL: SETUP ENGINE");
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << m_engine << state());
m_engine->validateExecutable(&m_runParameters);
m_engine->setupEngine();
}
void DebuggerEngine::notifyEngineSetupFailed()
{
showMessage("NOTE: ENGINE SETUP FAILED");
QTC_ASSERT(d->remoteSetupState() == RemoteSetupNone
|| d->remoteSetupState() == RemoteSetupRequested
|| d->remoteSetupState() == RemoteSetupSucceeded,
qDebug() << this << "remoteSetupState" << d->remoteSetupState());
if (d->remoteSetupState() == RemoteSetupRequested)
d->setRemoteSetupState(RemoteSetupCancelled);
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << this << state());
setState(EngineSetupFailed);
if (isMasterEngine() && runControl())
runControl()->startFailed();
setState(DebuggerFinished);
}
void DebuggerEngine::notifyEngineSetupOk()
{
showMessage("NOTE: ENGINE SETUP OK");
QTC_ASSERT(d->remoteSetupState() == RemoteSetupNone
|| d->remoteSetupState() == RemoteSetupSucceeded,
qDebug() << this << "remoteSetupState" << d->remoteSetupState());
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << this << state());
setState(EngineSetupOk);
showMessage("QUEUE: SETUP INFERIOR");
if (isMasterEngine())
d->queueSetupInferior();
}
void DebuggerEngine::setupSlaveInferior()
{
QTC_CHECK(state() == EngineSetupOk);
d->queueSetupInferior();
}
void DebuggerEnginePrivate::doSetupInferior()
{
m_engine->showMessage("CALL: SETUP INFERIOR");
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << m_engine << state());
m_progress.setProgressValue(250);
m_engine->setupInferior();
}
void DebuggerEngine::notifyInferiorSetupFailed()
{
showMessage("NOTE: INFERIOR SETUP FAILED");
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << this << state());
showStatusMessage(tr("Setup failed."));
setState(InferiorSetupFailed);
if (isMasterEngine())
d->queueShutdownEngine();
}
void DebuggerEngine::notifyInferiorSetupOk()
{
#ifdef WITH_BENCHMARK
CALLGRIND_START_INSTRUMENTATION;
#endif
aboutToNotifyInferiorSetupOk();
showMessage("NOTE: INFERIOR SETUP OK");
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << this << state());
setState(InferiorSetupOk);
if (isMasterEngine())
d->queueRunEngine();
}
void DebuggerEngine::runSlaveEngine()
{
QTC_ASSERT(isSlaveEngine(), return);
QTC_CHECK(state() == InferiorSetupOk);
d->queueRunEngine();
}
void DebuggerEnginePrivate::doRunEngine()
{
m_engine->showMessage("CALL: RUN ENGINE");
QTC_ASSERT(state() == EngineRunRequested, qDebug() << m_engine << state());
m_progress.setProgressValue(300);
m_engine->runEngine();
}
void DebuggerEngine::notifyEngineRunOkAndInferiorUnrunnable()
{
showMessage("NOTE: INFERIOR UNRUNNABLE");
d->m_progress.setProgressValue(1000);
d->m_progress.reportFinished();
QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
showStatusMessage(tr("Loading finished."));
setState(InferiorUnrunnable);
}
void DebuggerEngine::notifyEngineRunFailed()
{
showMessage("NOTE: ENGINE RUN FAILED");
QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
d->m_progress.setProgressValue(900);
d->m_progress.reportCanceled();
d->m_progress.reportFinished();
showStatusMessage(tr("Run failed."));
setState(EngineRunFailed);
if (isMasterEngine())
d->queueShutdownEngine();
}
void DebuggerEngine::notifyEngineRequestRemoteSetup()
{
showMessage("NOTE: REQUEST REMOTE SETUP");
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << this << state());
QTC_ASSERT(d->remoteSetupState() == RemoteSetupNone, qDebug() << this
<< "remoteSetupState" << d->remoteSetupState());
d->setRemoteSetupState(RemoteSetupRequested);
emit requestRemoteSetup();
}
void DebuggerEngine::notifyEngineRemoteServerRunning(const QString &, int /*pid*/)
{
showMessage("NOTE: REMOTE SERVER RUNNING IN MULTIMODE");
}
void DebuggerEngine::notifyEngineRemoteSetupFinished(const RemoteSetupResult &result)
{
QTC_ASSERT(state() == EngineSetupRequested
|| state() == EngineSetupFailed
|| state() == DebuggerFinished, qDebug() << this << state());
QTC_ASSERT(d->remoteSetupState() == RemoteSetupRequested
|| d->remoteSetupState() == RemoteSetupCancelled,
qDebug() << this << "remoteSetupState" << d->remoteSetupState());
if (result.success) {
showMessage(QString("NOTE: REMOTE SETUP DONE: GDB SERVER PORT: %1 QML PORT %2")
.arg(result.gdbServerPort.number()).arg(result.qmlServerPort.number()));
if (d->remoteSetupState() != RemoteSetupCancelled)
d->setRemoteSetupState(RemoteSetupSucceeded);
if (result.gdbServerPort.isValid()) {
QString &rc = d->m_runParameters.remoteChannel;
const int sepIndex = rc.lastIndexOf(':');
if (sepIndex != -1) {
rc.replace(sepIndex + 1, rc.count() - sepIndex - 1,
QString::number(result.gdbServerPort.number()));
}
} else if (result.inferiorPid != InvalidPid && runParameters().startMode == AttachExternal) {
// e.g. iOS Simulator
runParameters().attachPID = result.inferiorPid;
}
if (result.qmlServerPort.isValid()) {
d->m_runParameters.qmlServer.port = result.qmlServerPort;
d->m_runParameters.inferior.commandLineArguments.replace("%qml_port%",
QString::number(result.qmlServerPort.number()));
}
} else {
d->setRemoteSetupState(RemoteSetupFailed);
showMessage("NOTE: REMOTE SETUP FAILED: " + result.reason);
}
}
void DebuggerEngine::notifyEngineRunAndInferiorRunOk()
{
showMessage("NOTE: ENGINE RUN AND INFERIOR RUN OK");
d->m_progress.setProgressValue(1000);
d->m_progress.reportFinished();
QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
showStatusMessage(tr("Running."));
setState(InferiorRunOk);
}
void DebuggerEngine::notifyEngineRunAndInferiorStopOk()
{
showMessage("NOTE: ENGINE RUN AND INFERIOR STOP OK");
d->m_progress.setProgressValue(1000);
d->m_progress.reportFinished();
QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
showStatusMessage(tr("Stopped."));
setState(InferiorStopOk);
}
void DebuggerEngine::notifyInferiorRunRequested()
{
showMessage("NOTE: INFERIOR RUN REQUESTED");
QTC_ASSERT(state() == InferiorStopOk, qDebug() << this << state());
showStatusMessage(tr("Run requested..."));
setState(InferiorRunRequested);
}
void DebuggerEngine::notifyInferiorRunOk()
{
if (state() == InferiorRunOk) {
showMessage("NOTE: INFERIOR RUN OK - REPEATED.");
return;
}
showMessage("NOTE: INFERIOR RUN OK");
showStatusMessage(tr("Running."));
// Transition from StopRequested can happen in remotegdbadapter.
QTC_ASSERT(state() == InferiorRunRequested
|| state() == InferiorStopOk
|| state() == InferiorStopRequested, qDebug() << this << state());
setState(InferiorRunOk);
}
void DebuggerEngine::notifyInferiorRunFailed()
{
showMessage("NOTE: INFERIOR RUN FAILED");
QTC_ASSERT(state() == InferiorRunRequested, qDebug() << this << state());
setState(InferiorRunFailed);
setState(InferiorStopOk);
if (isDying())
d->queueShutdownInferior();
}
void DebuggerEngine::notifyInferiorStopOk()
{
showMessage("NOTE: INFERIOR STOP OK");
// Ignore spurious notifications after we are set to die.
if (isDying()) {
showMessage("NOTE: ... WHILE DYING. ");
// Forward state to "StopOk" if needed.
if (state() == InferiorStopRequested
|| state() == InferiorRunRequested
|| state() == InferiorRunOk) {
showMessage("NOTE: ... FORWARDING TO 'STOP OK'. ");
setState(InferiorStopOk);
}
if (state() == InferiorStopOk || state() == InferiorStopFailed)
d->queueShutdownInferior();
showMessage("NOTE: ... IGNORING STOP MESSAGE");
return;
}
QTC_ASSERT(state() == InferiorStopRequested, qDebug() << this << state());
showStatusMessage(tr("Stopped."));
setState(InferiorStopOk);
}
void DebuggerEngine::notifyInferiorSpontaneousStop()
{
showMessage("NOTE: INFERIOR SPONTANEOUS STOP");
QTC_ASSERT(state() == InferiorRunOk, qDebug() << this << state());
showStatusMessage(tr("Stopped."));
setState(InferiorStopOk);
if (boolSetting(RaiseOnInterrupt))
ICore::raiseWindow(Internal::mainWindow());
}
void DebuggerEngine::notifyInferiorStopFailed()
{
showMessage("NOTE: INFERIOR STOP FAILED");
QTC_ASSERT(state() == InferiorStopRequested, qDebug() << this << state());
setState(InferiorStopFailed);
if (isMasterEngine())
d->queueShutdownEngine();
}
void DebuggerEnginePrivate::doInterruptInferior()
{
//QTC_ASSERT(isMasterEngine(), return);
QTC_ASSERT(state() == InferiorRunOk, qDebug() << m_engine << state());
m_engine->setState(InferiorStopRequested);
m_engine->showMessage("CALL: INTERRUPT INFERIOR");
m_engine->showStatusMessage(tr("Attempting to interrupt."));
m_engine->interruptInferior();
}
void DebuggerEnginePrivate::doShutdownInferior()
{
//QTC_ASSERT(isMasterEngine(), return);
QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << m_engine << state());
resetLocation();
m_targetState = DebuggerFinished;
m_engine->showMessage("CALL: SHUTDOWN INFERIOR");
m_engine->shutdownInferior();
}
void DebuggerEngine::notifyInferiorShutdownOk()
{
showMessage("INFERIOR SUCCESSFULLY SHUT DOWN");
QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << this << state());
d->m_lastGoodState = DebuggerNotReady; // A "neutral" value.
setState(InferiorShutdownOk);
if (isMasterEngine())
d->queueShutdownEngine();
}
void DebuggerEngine::notifyInferiorShutdownFailed()
{
showMessage("INFERIOR SHUTDOWN FAILED");
QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << this << state());
setState(InferiorShutdownFailed);
if (isMasterEngine())
d->queueShutdownEngine();
}
void DebuggerEngine::notifyInferiorIll()
{
showMessage("NOTE: INFERIOR ILL");
// This can be issued in almost any state. The inferior could still be
// alive as some previous notifications might have been bogus.
d->m_targetState = DebuggerFinished;
d->m_lastGoodState = d->m_state;
if (state() == InferiorRunRequested) {
// We asked for running, but did not see a response.
// Assume the inferior is dead.
// FIXME: Use timeout?
setState(InferiorRunFailed);
setState(InferiorStopOk);
}
d->queueShutdownInferior();
}
void DebuggerEngine::shutdownSlaveEngine()
{
QTC_CHECK(isAllowedTransition(state(),EngineShutdownRequested));
setState(EngineShutdownRequested);
shutdownEngine();
}
void DebuggerEnginePrivate::doShutdownEngine()
{
QTC_ASSERT(isMasterEngine(), qDebug() << m_engine; return);
QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << m_engine << state());
m_targetState = DebuggerFinished;
m_engine->showMessage("CALL: SHUTDOWN ENGINE");
m_engine->shutdownEngine();
}
void DebuggerEngine::notifyEngineShutdownOk()
{
showMessage("NOTE: ENGINE SHUTDOWN OK");
QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << this << state());
setState(EngineShutdownOk);
d->queueFinishDebugger();
}
void DebuggerEngine::notifyEngineShutdownFailed()
{
showMessage("NOTE: ENGINE SHUTDOWN FAILED");
QTC_ASSERT(state() == EngineShutdownRequested, qDebug() << this << state());
setState(EngineShutdownFailed);
d->queueFinishDebugger();
}
void DebuggerEnginePrivate::doFinishDebugger()
{
m_engine->showMessage("NOTE: FINISH DEBUGGER");
QTC_ASSERT(state() == DebuggerFinished, qDebug() << m_engine << state());
if (isMasterEngine() && m_runControl)
m_runControl->debuggingFinished();
}
void DebuggerEnginePrivate::setRemoteSetupState(RemoteSetupState state)
{
bool allowedTransition = false;
if (m_remoteSetupState == RemoteSetupNone) {
if (state == RemoteSetupRequested)
allowedTransition = true;
}
if (m_remoteSetupState == RemoteSetupRequested) {
if (state == RemoteSetupCancelled
|| state == RemoteSetupSucceeded
|| state == RemoteSetupFailed)
allowedTransition = true;
}
if (!allowedTransition)
qDebug() << "*** UNEXPECTED REMOTE SETUP TRANSITION from"
<< m_remoteSetupState << "to" << state;
m_remoteSetupState = state;
}
void DebuggerEngine::notifyEngineIll()
{
#ifdef WITH_BENCHMARK
CALLGRIND_STOP_INSTRUMENTATION;
CALLGRIND_DUMP_STATS;
#endif
showMessage("NOTE: ENGINE ILL ******");
d->m_targetState = DebuggerFinished;
d->m_lastGoodState = d->m_state;
switch (state()) {
case InferiorRunRequested:
case InferiorRunOk:
// The engine does not look overly ill right now, so attempt to
// properly interrupt at least once. If that fails, we are on the
// shutdown path due to d->m_targetState anyways.
setState(InferiorStopRequested, true);
showMessage("ATTEMPT TO INTERRUPT INFERIOR");
interruptInferior();
break;
case InferiorStopRequested:
notifyInferiorStopFailed();
break;
case InferiorStopOk:
showMessage("FORWARDING STATE TO InferiorShutdownFailed");
setState(InferiorShutdownFailed, true);
if (isMasterEngine())
d->queueShutdownEngine();
break;
default:
if (isMasterEngine())
d->queueShutdownEngine();
break;
}
}
void DebuggerEngine::notifyEngineSpontaneousShutdown()
{
#ifdef WITH_BENCHMARK
CALLGRIND_STOP_INSTRUMENTATION;
CALLGRIND_DUMP_STATS;
#endif
showMessage("NOTE: ENGINE SPONTANEOUS SHUTDOWN");
setState(EngineShutdownOk, true);
if (isMasterEngine())
d->queueFinishDebugger();
}
void DebuggerEngine::notifyInferiorExited()
{
#ifdef WITH_BENCHMARK
CALLGRIND_STOP_INSTRUMENTATION;
CALLGRIND_DUMP_STATS;
#endif
showMessage("NOTE: INFERIOR EXITED");
d->resetLocation();
setState(InferiorShutdownOk);
if (isMasterEngine())
d->queueShutdownEngine();
}
void DebuggerEngine::notifyDebuggerProcessFinished(int exitCode,
QProcess::ExitStatus exitStatus, const QString &backendName)
{
showMessage(QString("%1 PROCESS FINISHED, status %2, exit code %3")
.arg(backendName).arg(exitStatus).arg(exitCode));
switch (state()) {
case DebuggerFinished:
// Nothing to do.
break;
case EngineShutdownRequested:
notifyEngineShutdownOk();
break;
case InferiorRunOk:
// This could either be a real gdb/lldb crash or a quickly exited inferior
// in the terminal adapter. In this case the stub proc will die soon,
// too, so there's no need to act here.
showMessage(QString("The %1 process exited somewhat unexpectedly.").arg(backendName));
notifyEngineSpontaneousShutdown();
break;
default: {
// Initiate shutdown sequence
if (isMasterEngine())
notifyEngineIll();
else
masterEngine()->notifyInferiorIll();
const QString msg = exitStatus == QProcess::CrashExit ?
tr("The %1 process terminated.") :
tr("The %2 process terminated unexpectedly (exit code %1).").arg(exitCode);
AsynchronousMessageBox::critical(tr("Unexpected %1 Exit").arg(backendName),
msg.arg(backendName));
break;
}
}
}
void DebuggerEngine::slaveEngineStateChanged(DebuggerEngine *slaveEngine,
DebuggerState state)
{
Q_UNUSED(slaveEngine);
Q_UNUSED(state);
}
static inline QString msgStateChanged(DebuggerState oldState, DebuggerState newState,
bool forced, bool master)
{
QString result;
QTextStream str(&result);
str << "State changed";
if (forced)
str << " BY FORCE";
str << " from " << DebuggerEngine::stateName(oldState) << '(' << oldState
<< ") to " << DebuggerEngine::stateName(newState) << '(' << newState << ')';
if (master)
str << " [master]";
return result;
}
void DebuggerEngine::setState(DebuggerState state, bool forced)
{
const QString msg = msgStateChanged(d->m_state, state, forced, isMasterEngine());
if (isStateDebugging())
qDebug("%s", qPrintable(msg));
DebuggerState oldState = d->m_state;
d->m_state = state;
if (!forced && !isAllowedTransition(oldState, state))
qDebug() << "*** UNEXPECTED STATE TRANSITION: " << this << msg;
if (state == EngineRunRequested) {
DebuggerToolTipManager::registerEngine(this);
}
if (state == DebuggerFinished) {
// Give up ownership on claimed breakpoints.
foreach (Breakpoint bp, breakHandler()->engineBreakpoints(this))
bp.notifyBreakpointReleased();
DebuggerToolTipManager::deregisterEngine(this);
d->m_memoryAgents.handleDebuggerFinished();
prepareForRestart();
}
showMessage(msg, LogDebug);
updateViews();
emit stateChanged(d->m_state);
if (isSlaveEngine())
masterEngine()->slaveEngineStateChanged(this, state);
}
void DebuggerEngine::updateViews()
{
// The slave engines are not entitled to change the view. Their wishes
// should be coordinated by their master engine.
if (isMasterEngine())
Internal::updateState(this);
}
bool DebuggerEngine::isSlaveEngine() const
{
return d->m_masterEngine != 0;
}
bool DebuggerEngine::isMasterEngine() const
{
return d->m_masterEngine == 0;
}
void DebuggerEngine::setMasterEngine(DebuggerEngine *masterEngine)
{
d->m_masterEngine = masterEngine;
}
DebuggerEngine *DebuggerEngine::masterEngine() const
{
return d->m_masterEngine;
}
bool DebuggerEngine::canDisplayTooltip() const
{
return state() == InferiorStopOk;
}
QString DebuggerEngine::toFileInProject(const QUrl &fileUrl)
{
// make sure file finder is properly initialized
const DebuggerRunParameters &rp = runParameters();
d->m_fileFinder.setProjectDirectory(rp.projectSourceDirectory);
d->m_fileFinder.setProjectFiles(rp.projectSourceFiles);
d->m_fileFinder.setAdditionalSearchDirectories(rp.additionalSearchDirectories);
d->m_fileFinder.setSysroot(rp.sysRoot);
return d->m_fileFinder.findFile(fileUrl);
}
void DebuggerEngine::removeBreakpointMarker(const Breakpoint &bp)
{
d->m_disassemblerAgent.removeBreakpointMarker(bp);
}
QString DebuggerEngine::expand(const QString &string) const
{
return d->m_runParameters.macroExpander->expand(string);
}
void DebuggerEngine::updateBreakpointMarker(const Breakpoint &bp)
{
d->m_disassemblerAgent.updateBreakpointMarker(bp);
}
bool DebuggerEngine::debuggerActionsEnabled() const
{
return debuggerActionsEnabled(d->m_state);
}
bool DebuggerEngine::debuggerActionsEnabled(DebuggerState state)
{
switch (state) {
case InferiorSetupRequested:
case InferiorRunOk:
case InferiorUnrunnable:
case InferiorStopOk:
return true;
case InferiorStopRequested:
case InferiorRunRequested:
case InferiorRunFailed:
case InferiorSetupOk:
case DebuggerNotReady:
case EngineSetupRequested:
case EngineSetupOk:
case EngineSetupFailed:
case EngineRunRequested:
case EngineRunFailed:
case InferiorSetupFailed:
case InferiorStopFailed:
case InferiorShutdownRequested:
case InferiorShutdownOk:
case InferiorShutdownFailed:
case EngineShutdownRequested:
case EngineShutdownOk:
case EngineShutdownFailed:
case DebuggerFinished:
return false;
}
return false;
}
void DebuggerEngine::notifyInferiorPid(qint64 pid)
{
if (d->m_inferiorPid == pid)
return;
d->m_inferiorPid = pid;
if (pid) {
showMessage(tr("Taking notice of pid %1").arg(pid));
if (d->m_runParameters.startMode == StartInternal
|| d->m_runParameters.startMode == StartExternal
|| d->m_runParameters.startMode == AttachExternal)
QTimer::singleShot(0, d, &DebuggerEnginePrivate::raiseApplication);
}
}
qint64 DebuggerEngine::inferiorPid() const
{
return d->m_inferiorPid;
}
bool DebuggerEngine::isReverseDebugging() const
{
return Internal::isReverseDebugging();
}
// Called by DebuggerRunControl.
void DebuggerEngine::quitDebugger()
{
showMessage(QString("QUIT DEBUGGER REQUESTED IN STATE %1").arg(state()));
d->m_targetState = DebuggerFinished;
switch (state()) {
case InferiorStopOk:
case InferiorStopFailed:
d->queueShutdownInferior();
break;
case InferiorRunOk:
d->doInterruptInferior();
break;
case EngineSetupRequested:
notifyEngineSetupFailed();
break;
case EngineSetupOk:
setState(InferiorSetupRequested);
notifyInferiorSetupFailed();
break;
case EngineRunRequested:
notifyEngineRunFailed();
break;
case EngineShutdownRequested:
break;
case EngineRunFailed:
case DebuggerFinished:
case InferiorShutdownOk:
break;
case InferiorSetupRequested:
notifyInferiorSetupFailed();
break;
default:
// FIXME: We should disable the actions connected to that.
notifyInferiorIll();
break;
}
}
void DebuggerEngine::abortDebugger()
{
// Overridden in e.g. GdbEngine.
quitDebugger();
}
void DebuggerEngine::requestInterruptInferior()
{
d->doInterruptInferior();
}
void DebuggerEngine::progressPing()
{
int progress = qMin(d->m_progress.progressValue() + 2, 800);
d->m_progress.setProgressValue(progress);
}
DebuggerRunControl *DebuggerEngine::runControl() const
{
return d->runControl();
}
Terminal *DebuggerEngine::terminal() const
{
return &d->m_terminal;
}
void DebuggerEngine::selectWatchData(const QString &)
{
}
void DebuggerEngine::watchPoint(const QPoint &)
{
}
void DebuggerEngine::runCommand(const DebuggerCommand &)
{
// Overridden in the engines that use the interface.
QTC_CHECK(false);
}
void DebuggerEngine::fetchDisassembler(DisassemblerAgent *)
{
}
void DebuggerEngine::activateFrame(int)
{
}
void DebuggerEngine::reloadModules()
{
}
void DebuggerEngine::examineModules()
{
}
void DebuggerEngine::loadSymbols(const QString &)
{
}
void DebuggerEngine::loadAllSymbols()
{
}
void DebuggerEngine::loadSymbolsForStack()
{
}
void DebuggerEngine::requestModuleSymbols(const QString &)
{
}
void DebuggerEngine::requestModuleSections(const QString &)
{
}
void DebuggerEngine::reloadRegisters()
{
}
void DebuggerEngine::reloadSourceFiles()
{
}
void DebuggerEngine::reloadFullStack()
{
}
void DebuggerEngine::loadAdditionalQmlStack()
{
}
void DebuggerEngine::reloadDebuggingHelpers()
{
}
void DebuggerEngine::addOptionPages(QList<IOptionsPage*> *) const
{
}
bool DebuggerEngine::isSynchronous() const
{
return false;
}
QString DebuggerEngine::qtNamespace() const
{
return d->m_qtNamespace;
}
void DebuggerEngine::setQtNamespace(const QString &ns)
{
d->m_qtNamespace = ns;
}
void DebuggerEngine::createSnapshot()
{
}
void DebuggerEngine::updateLocals()
{
watchHandler()->resetValueCache();
doUpdateLocals(UpdateParameters());
}
void DebuggerEngine::updateAll()
{
}
#if 0
// FIXME: Remove explicit use of BreakpointData
if (!bp->engine && acceptsBreakpoint(id)) {
QTC_CHECK(state == BreakpointNew);
// Take ownership of the breakpoint.
bp->engine = this;
}
#endif
void DebuggerEngine::attemptBreakpointSynchronization()
{
showMessage("ATTEMPT BREAKPOINT SYNCHRONIZATION");
if (!stateAcceptsBreakpointChanges()) {
showMessage("BREAKPOINT SYNCHRONIZATION NOT POSSIBLE IN CURRENT STATE");
return;
}
BreakHandler *handler = breakHandler();
foreach (Breakpoint bp, handler->unclaimedBreakpoints()) {
// Take ownership of the breakpoint. Requests insertion.
if (acceptsBreakpoint(bp)) {
showMessage(QString("TAKING OWNERSHIP OF BREAKPOINT %1 IN STATE %2")
.arg(bp.id().toString()).arg(bp.state()));
bp.setEngine(this);
} else {
showMessage(QString("BREAKPOINT %1 IN STATE %2 IS NOT ACCEPTABLE")
.arg(bp.id().toString()).arg(bp.state()));
}
}
bool done = true;
foreach (Breakpoint bp, handler->engineBreakpoints(this)) {
switch (bp.state()) {
case BreakpointNew:
// Should not happen once claimed.
QTC_CHECK(false);
continue;
case BreakpointInsertRequested:
done = false;
insertBreakpoint(bp);
continue;
case BreakpointChangeRequested:
done = false;
changeBreakpoint(bp);
continue;
case BreakpointRemoveRequested:
done = false;
removeBreakpoint(bp);
continue;
case BreakpointChangeProceeding:
case BreakpointInsertProceeding:
case BreakpointRemoveProceeding:
done = false;
//qDebug() << "BREAKPOINT " << id << " STILL IN PROGRESS, STATE"
// << handler->state(id);
continue;
case BreakpointInserted:
//qDebug() << "BREAKPOINT " << id << " IS GOOD";
continue;
case BreakpointDead:
// Can happen temporarily during Breakpoint destruction.
// BreakpointItem::deleteThis() intentionally lets the event loop run,
// during which an attemptBreakpointSynchronization() might kick in.
continue;
}
}
if (done)
showMessage("BREAKPOINTS ARE SYNCHRONIZED");
else
showMessage("BREAKPOINTS ARE NOT FULLY SYNCHRONIZED");
}
bool DebuggerEngine::acceptsBreakpoint(Breakpoint bp) const
{
Q_UNUSED(bp);
return false;
}
void DebuggerEngine::insertBreakpoint(Breakpoint bp)
{
BreakpointState state = bp.state();
QTC_ASSERT(state == BreakpointInsertRequested,
qDebug() << bp.id() << this << state);
QTC_CHECK(false);
}
void DebuggerEngine::removeBreakpoint(Breakpoint bp)
{
BreakpointState state = bp.state();
QTC_ASSERT(state == BreakpointRemoveRequested,
qDebug() << bp.id() << this << state);
QTC_CHECK(false);
}
void DebuggerEngine::changeBreakpoint(Breakpoint bp)
{
BreakpointState state = bp.state();
QTC_ASSERT(state == BreakpointChangeRequested,
qDebug() << bp.id() << this << state);
QTC_CHECK(false);
}
void DebuggerEngine::assignValueInDebugger(WatchItem *,
const QString &, const QVariant &)
{
}
void DebuggerEngine::detachDebugger()
{
}
void DebuggerEngine::exitDebugger()
{
QTC_ASSERT(d->m_state == InferiorStopOk || d->m_state == InferiorUnrunnable
|| d->m_state == InferiorRunOk, qDebug() << d->m_state);
quitDebugger();
}
void DebuggerEngine::executeStep()
{
}
void DebuggerEngine::executeStepOut()
{
}
void DebuggerEngine::executeNext()
{
}
void DebuggerEngine::executeStepI()
{
}
void DebuggerEngine::executeNextI()
{
}
void DebuggerEngine::executeReturn()
{
}
void DebuggerEngine::continueInferior()
{
}
void DebuggerEngine::interruptInferior()
{
}
void DebuggerEngine::executeRunToLine(const ContextData &)
{
}
void DebuggerEngine::executeRunToFunction(const QString &)
{
}
void DebuggerEngine::executeJumpToLine(const ContextData &)
{
}
void DebuggerEngine::executeDebuggerCommand(const QString &, DebuggerLanguages)
{
showStatusMessage(tr("This debugger cannot handle user input."));
}
BreakHandler *DebuggerEngine::breakHandler() const
{
return Internal::breakHandler();
}
bool DebuggerEngine::isDying() const
{
return targetState() == DebuggerFinished;
}
QString DebuggerEngine::msgStopped(const QString &reason)
{
return reason.isEmpty() ? tr("Stopped.") : tr("Stopped: \"%1\".").arg(reason);
}
QString DebuggerEngine::msgStoppedBySignal(const QString &meaning,
const QString &name)
{
return tr("Stopped: %1 (Signal %2).").arg(meaning, name);
}
QString DebuggerEngine::msgStoppedByException(const QString &description,
const QString &threadId)
{
return tr("Stopped in thread %1 by: %2.").arg(threadId, description);
}
QString DebuggerEngine::msgInterrupted()
{
return tr("Interrupted.");
}
void DebuggerEngine::showStoppedBySignalMessageBox(QString meaning, QString name)
{
if (name.isEmpty())
name = ' ' + tr("<Unknown>", "name") + ' ';
if (meaning.isEmpty())
meaning = ' ' + tr("<Unknown>", "meaning") + ' ';
const QString msg = tr("<p>The inferior stopped because it received a "
"signal from the operating system.<p>"
"<table><tr><td>Signal name : </td><td>%1</td></tr>"
"<tr><td>Signal meaning : </td><td>%2</td></tr></table>")
.arg(name, meaning);
AsynchronousMessageBox::information(tr("Signal Received"), msg);
}
void DebuggerEngine::showStoppedByExceptionMessageBox(const QString &description)
{
const QString msg =
tr("<p>The inferior stopped because it triggered an exception.<p>%1").
arg(description);
AsynchronousMessageBox::information(tr("Exception Triggered"), msg);
}
void DebuggerEngine::openMemoryView(const MemoryViewSetupData &data)
{
d->m_memoryAgents.createBinEditor(data, this);
}
void DebuggerEngine::updateMemoryViews()
{
d->m_memoryAgents.updateContents();
}
void DebuggerEngine::openDisassemblerView(const Location &location)
{
DisassemblerAgent *agent = new DisassemblerAgent(this);
agent->setLocation(location);
}
bool DebuggerEngine::isStateDebugging() const
{
return d->m_isStateDebugging;
}
void DebuggerEngine::setStateDebugging(bool on)
{
d->m_isStateDebugging = on;
}
void DebuggerEngine::validateExecutable(DebuggerRunParameters *sp)
{
if (sp->skipExecutableValidation)
return;
if (sp->languages == QmlLanguage)
return;
QString symbolFile = sp->symbolFile;
if (symbolFile.isEmpty())
symbolFile = sp->inferior.executable;
if (symbolFile.isEmpty())
return;
const bool warnOnRelease = boolSetting(WarnOnReleaseBuilds);
bool warnOnInappropriateDebugger = false;
QString detailedWarning;
switch (sp->toolChainAbi.binaryFormat()) {
case Abi::PEFormat: {
if (sp->masterEngineType != CdbEngineType) {
warnOnInappropriateDebugger = true;
detailedWarning = tr(
"The inferior is in the Portable Executable format.\n"
"Selecting CDB as debugger would improve the debugging "
"experience for this binary format.");
return;
} else if (warnOnRelease) {
if (!symbolFile.endsWith(".exe", Qt::CaseInsensitive))
symbolFile.append(".exe");
QString errorMessage;
QStringList rc;
if (getPDBFiles(symbolFile, &rc, &errorMessage) && !rc.isEmpty())
return;
if (!errorMessage.isEmpty()) {
detailedWarning.append('\n');
detailedWarning.append(errorMessage);
}
} else {
return;
}
break;
}
case Abi::ElfFormat: {
if (sp->masterEngineType == CdbEngineType) {
warnOnInappropriateDebugger = true;
detailedWarning = tr(
"The inferior is in the ELF format.\n"
"Selecting GDB or LLDB as debugger would improve the debugging "
"experience for this binary format.");
return;
}
Utils::ElfReader reader(symbolFile);
Utils::ElfData elfData = reader.readHeaders();
QString error = reader.errorString();
Internal::showMessage("EXAMINING " + symbolFile, LogDebug);
QByteArray msg = "ELF SECTIONS: ";
static const QList<QByteArray> interesting = {
".debug_info",
".debug_abbrev",
".debug_line",
".debug_str",
".debug_loc",
".debug_range",
".gdb_index",
".note.gnu.build-id",
".gnu.hash",
".gnu_debuglink"
};
QSet<QByteArray> seen;
foreach (const Utils::ElfSectionHeader &header, elfData.sectionHeaders) {
msg.append(header.name);
msg.append(' ');
if (interesting.contains(header.name))
seen.insert(header.name);
}
Internal::showMessage(QString::fromUtf8(msg), LogDebug);
if (!error.isEmpty()) {
Internal::showMessage("ERROR WHILE READING ELF SECTIONS: " + error, LogDebug);
return;
}
if (elfData.sectionHeaders.isEmpty()) {
Internal::showMessage("NO SECTION HEADERS FOUND. IS THIS AN EXECUTABLE?", LogDebug);
return;
}
// Note: .note.gnu.build-id also appears in regular release builds.
// bool hasBuildId = elfData.indexOf(".note.gnu.build-id") >= 0;
bool hasEmbeddedInfo = elfData.indexOf(".debug_info") >= 0;
bool hasLink = elfData.indexOf(".gnu_debuglink") >= 0;
if (hasEmbeddedInfo) {
QSharedPointer<GlobalDebuggerOptions> options = Internal::globalDebuggerOptions();
SourcePathRegExpMap globalRegExpSourceMap;
globalRegExpSourceMap.reserve(options->sourcePathRegExpMap.size());
foreach (auto entry, options->sourcePathRegExpMap) {
const QString expanded = Utils::globalMacroExpander()->expand(entry.second);
if (!expanded.isEmpty())
globalRegExpSourceMap.push_back(qMakePair(entry.first, expanded));
}
if (globalRegExpSourceMap.isEmpty())
return;
if (QSharedPointer<Utils::ElfMapper> mapper = reader.readSection(".debug_str")) {
const char *str = mapper->start;
const char *limit = str + mapper->fdlen;
bool found = false;
while (str < limit) {
const QString string = QString::fromUtf8(str);
for (auto itExp = globalRegExpSourceMap.begin(), itEnd = globalRegExpSourceMap.end();
itExp != itEnd;
++itExp) {
QRegExp exp = itExp->first;
int index = exp.indexIn(string);
if (index != -1) {
sp->sourcePathMap.insert(string.left(index) + exp.cap(1), itExp->second);
found = true;
break;
}
}
if (found)
break;
const int len = int(strlen(str));
if (len == 0)
break;
str += len + 1;
}
}
}
if (hasEmbeddedInfo || hasLink)
return;
foreach (const QByteArray &name, interesting) {
const QString found = seen.contains(name) ? tr("Found.") : tr("Not found.");
detailedWarning.append('\n' + tr("Section %1: %2").arg(QString::fromUtf8(name)).arg(found));
}
break;
}
default:
return;
}
if (warnOnInappropriateDebugger) {
AsynchronousMessageBox::information(tr("Warning"),
tr("The selected debugger may be inappropiate for the inferior.\n"
"Examining symbols and setting breakpoints by file name and line number "
"may fail.\n")
+ '\n' + detailedWarning);
} else if (warnOnRelease) {
AsynchronousMessageBox::information(tr("Warning"),
tr("This does not seem to be a \"Debug\" build.\n"
"Setting breakpoints by file name and line number may fail.")
+ '\n' + detailedWarning);
}
}
void DebuggerEngine::updateLocalsView(const GdbMi &all)
{
WatchHandler *handler = watchHandler();
const GdbMi typeInfo = all["typeinfo"];
handler->recordTypeInfo(typeInfo);
const GdbMi data = all["data"];
handler->insertItems(data);
const GdbMi ns = all["qtnamespace"];
if (ns.isValid()) {
setQtNamespace(ns.data());
showMessage("FOUND NAMESPACED QT: " + ns.data());
}
static int count = 0;
showMessage(QString("<Rebuild Watchmodel %1 @ %2 >")
.arg(++count).arg(LogWindow::logTimeStamp()), LogMiscInput);
showStatusMessage(tr("Finished retrieving data"), 400);
DebuggerToolTipManager::updateEngine(this);
const bool partial = all["partial"].toInt();
if (!partial)
updateMemoryViews();
}
bool DebuggerEngine::canHandleToolTip(const DebuggerToolTipContext &context) const
{
return state() == InferiorStopOk && context.isCppEditor;
}
void DebuggerEngine::updateItem(const QString &iname)
{
if (d->m_lookupRequests.contains(iname)) {
showMessage(QString("IGNORING REPEATED REQUEST TO EXPAND " + iname));
WatchHandler *handler = watchHandler();
WatchItem *item = handler->findItem(iname);
QTC_CHECK(item);
WatchModelBase *model = handler->model();
QTC_CHECK(model);
if (item && !model->hasChildren(model->indexForItem(item))) {
handler->notifyUpdateStarted(UpdateParameters(iname));
item->setValue(decodeData({}, "notaccessible"));
item->setHasChildren(false);
item->outdated = false;
item->update();
handler->notifyUpdateFinished();
return;
}
// We could legitimately end up here after expanding + closing + re-expaning an item.
}
d->m_lookupRequests.insert(iname);
UpdateParameters params;
params.partialVariable = iname;
doUpdateLocals(params);
}
void DebuggerEngine::updateWatchData(const QString &iname)
{
// This is used in cases where re-evaluation is ok for the same iname
// e.g. when changing the expression in a watcher.
UpdateParameters params;
params.partialVariable = iname;
doUpdateLocals(params);
}
void DebuggerEngine::expandItem(const QString &iname)
{
updateItem(iname);
}
void DebuggerEngine::checkState(DebuggerState state, const char *file, int line)
{
const DebuggerState current = d->m_state;
if (current == state)
return;
QString msg = QString("UNEXPECTED STATE: %1 WANTED: %2 IN %3:%4")
.arg(current).arg(state).arg(QLatin1String(file)).arg(line);
showMessage(msg, LogError);
qDebug("%s", qPrintable(msg));
}
bool DebuggerEngine::isNativeMixedEnabled() const
{
return runParameters().nativeMixedEnabled && (runParameters().languages & QmlLanguage);
}
bool DebuggerEngine::isNativeMixedActive() const
{
return isNativeMixedEnabled(); //&& boolSetting(OperateNativeMixed);
}
bool DebuggerEngine::isNativeMixedActiveFrame() const
{
if (!isNativeMixedActive())
return false;
if (stackHandler()->frames().isEmpty())
return false;
StackFrame frame = stackHandler()->frameAt(0);
return frame.language == QmlLanguage;
}
} // namespace Internal
} // namespace Debugger
#include "debuggerengine.moc"
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