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40b6413201ac5b6f53fd4508085f760585b0d742
qt-creator/src/plugins/debugger/debuggerruncontrol.cpp
Christian Stenger 40b6413201 Debugger: Fix crash on close while debugging 
Task-number: QTCREATORBUG-15987
Change-Id: I510add216ec16c0c6622870f26c68c16e99769ed
Reviewed-by: hjk <hjk@theqtcompany.com>
2016-04-05 10:21:03 +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 "debuggerruncontrol.h"
#include "analyzer/analyzermanager.h"
#include "debuggeractions.h"
#include "debuggercore.h"
#include "debuggerengine.h"
#include "debuggerkitinformation.h"
#include "debuggerplugin.h"
#include "debuggerrunconfigurationaspect.h"
#include "debuggerstartparameters.h"
#include "debuggerstringutils.h"
#include "breakhandler.h"
#include "shared/peutils.h"
#include <projectexplorer/buildconfiguration.h>
#include <projectexplorer/devicesupport/deviceprocessesdialog.h>
#include <projectexplorer/devicesupport/deviceprocesslist.h>
#include <projectexplorer/environmentaspect.h> // For the environment
#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/projectexplorericons.h>
#include <projectexplorer/runnables.h>
#include <projectexplorer/target.h>
#include <projectexplorer/taskhub.h>
#include <projectexplorer/toolchain.h>
#include <utils/checkablemessagebox.h>
#include <utils/fileutils.h>
#include <utils/qtcassert.h>
#include <utils/qtcprocess.h>
#include <coreplugin/icore.h>
#include <coreplugin/coreconstants.h>
#include <qmldebug/qmldebugcommandlinearguments.h>
#include <qtsupport/qtkitinformation.h>
#include <QTcpServer>
using namespace Debugger::Internal;
using namespace ProjectExplorer;
using namespace Utils;
enum { debug = 0 };
namespace Debugger {
namespace Internal {
DebuggerEngine *createCdbEngine(const DebuggerRunParameters &rp, QStringList *error);
const auto *DebugRunMode = ProjectExplorer::Constants::DEBUG_RUN_MODE;
const auto *DebugRunModeWithBreakOnMain = ProjectExplorer::Constants::DEBUG_RUN_MODE_WITH_BREAK_ON_MAIN;
DebuggerEngine *createGdbEngine(const DebuggerRunParameters &rp);
DebuggerEngine *createPdbEngine(const DebuggerRunParameters &rp);
DebuggerEngine *createQmlEngine(const DebuggerRunParameters &rp);
DebuggerEngine *createQmlCppEngine(const DebuggerRunParameters &rp, QStringList *error);
DebuggerEngine *createLldbEngine(const DebuggerRunParameters &rp);
} // namespace Internal
static const char *engineTypeName(DebuggerEngineType et)
{
switch (et) {
case Debugger::NoEngineType:
break;
case Debugger::GdbEngineType:
return "Gdb engine";
case Debugger::CdbEngineType:
return "Cdb engine";
case Debugger::PdbEngineType:
return "Pdb engine";
case Debugger::QmlEngineType:
return "QML engine";
case Debugger::QmlCppEngineType:
return "QML C++ engine";
case Debugger::LldbEngineType:
return "LLDB command line engine";
case Debugger::AllEngineTypes:
break;
}
return "No engine";
}
DebuggerRunControl::DebuggerRunControl(RunConfiguration *runConfig, DebuggerEngine *engine)
: RunControl(runConfig, DebugRunMode),
m_engine(engine),
m_running(false)
{
setIcon(ProjectExplorer::Icons::DEBUG_START_SMALL);
connect(this, &RunControl::finished, this, &DebuggerRunControl::handleFinished);
connect(engine, &DebuggerEngine::requestRemoteSetup,
this, &DebuggerRunControl::requestRemoteSetup);
connect(engine, &DebuggerEngine::stateChanged,
this, &DebuggerRunControl::stateChanged);
connect(engine, &DebuggerEngine::aboutToNotifyInferiorSetupOk,
this, &DebuggerRunControl::aboutToNotifyInferiorSetupOk);
}
DebuggerRunControl::~DebuggerRunControl()
{
disconnect();
if (m_engine) {
DebuggerEngine *engine = m_engine;
m_engine = 0;
engine->disconnect();
delete engine;
}
}
QString DebuggerRunControl::displayName() const
{
QTC_ASSERT(m_engine, return QString());
return m_engine->runParameters().displayName;
}
void DebuggerRunControl::start()
{
Debugger::Internal::saveModeToRestore();
Debugger::selectPerspective(Debugger::Constants::CppPerspectiveId);
TaskHub::clearTasks(Debugger::Constants::TASK_CATEGORY_DEBUGGER_DEBUGINFO);
TaskHub::clearTasks(Debugger::Constants::TASK_CATEGORY_DEBUGGER_RUNTIME);
QTC_ASSERT(m_engine, return);
// User canceled input dialog asking for executable when working on library project.
if (m_engine->runParameters().startMode == StartInternal
&& m_engine->runParameters().inferior.executable.isEmpty()
&& m_engine->runParameters().interpreter.isEmpty()) {
appendMessage(tr("No executable specified.") + QLatin1Char('\n'), ErrorMessageFormat);
emit started();
emit finished();
return;
}
if (m_engine->runParameters().startMode == StartInternal) {
QStringList unhandledIds;
foreach (Breakpoint bp, breakHandler()->allBreakpoints()) {
if (bp.isEnabled() && !m_engine->acceptsBreakpoint(bp))
unhandledIds.append(bp.id().toString());
}
if (!unhandledIds.isEmpty()) {
QString warningMessage =
DebuggerPlugin::tr("Some breakpoints cannot be handled by the debugger "
"languages currently active, and will be ignored.\n"
"Affected are breakpoints %1")
.arg(unhandledIds.join(QLatin1String(", ")));
Internal::showMessage(warningMessage, LogWarning);
static bool checked = true;
if (checked)
CheckableMessageBox::information(Core::ICore::mainWindow(),
tr("Debugger"),
warningMessage,
tr("&Show this message again."),
&checked, QDialogButtonBox::Ok);
}
}
Internal::runControlStarted(m_engine);
// We might get a synchronous startFailed() notification on Windows,
// when launching the process fails. Emit a proper finished() sequence.
emit started();
m_running = true;
m_engine->startDebugger(this);
if (m_running)
appendMessage(tr("Debugging starts") + QLatin1Char('\n'), NormalMessageFormat);
}
void DebuggerRunControl::startFailed()
{
appendMessage(tr("Debugging has failed") + QLatin1Char('\n'), NormalMessageFormat);
m_running = false;
emit finished();
m_engine->handleStartFailed();
}
void DebuggerRunControl::notifyEngineRemoteServerRunning(const QByteArray &msg, int pid)
{
m_engine->notifyEngineRemoteServerRunning(msg, pid);
}
void DebuggerRunControl::notifyEngineRemoteSetupFinished(const RemoteSetupResult &result)
{
m_engine->notifyEngineRemoteSetupFinished(result);
}
void DebuggerRunControl::handleFinished()
{
appendMessage(tr("Debugging has finished") + QLatin1Char('\n'), NormalMessageFormat);
if (m_engine)
m_engine->handleFinished();
Internal::runControlFinished(m_engine);
}
bool DebuggerRunControl::promptToStop(bool *optionalPrompt) const
{
QTC_ASSERT(isRunning(), return true);
if (optionalPrompt && !*optionalPrompt)
return true;
const QString question = tr("A debugging session is still in progress. "
"Terminating the session in the current"
" state can leave the target in an inconsistent state."
" Would you still like to terminate it?");
bool result = showPromptToStopDialog(tr("Close Debugging Session"), question,
QString(), QString(), optionalPrompt);
if (result)
disconnect(this);
return result;
}
RunControl::StopResult DebuggerRunControl::stop()
{
QTC_ASSERT(m_engine, return StoppedSynchronously);
m_engine->quitDebugger();
return AsynchronousStop;
}
void DebuggerRunControl::debuggingFinished()
{
m_running = false;
emit finished();
}
void DebuggerRunControl::showMessage(const QString &msg, int channel)
{
m_engine->showMessage(msg, channel);
}
bool DebuggerRunControl::isRunning() const
{
return m_running;
}
DebuggerStartParameters &DebuggerRunControl::startParameters()
{
return m_engine->runParameters();
}
void DebuggerRunControl::notifyInferiorIll()
{
m_engine->notifyInferiorIll();
}
void DebuggerRunControl::notifyInferiorExited()
{
m_engine->notifyInferiorExited();
}
void DebuggerRunControl::quitDebugger()
{
m_engine->quitDebugger();
}
void DebuggerRunControl::abortDebugger()
{
m_engine->abortDebugger();
}
///////////////////////////////////////////////////////////////////////
//
// DebuggerRunControlCreator
//
///////////////////////////////////////////////////////////////////////
namespace Internal {
class DebuggerRunControlCreator
{
public:
DebuggerRunControlCreator() {}
// Life cycle: Initialize from StartParameters, enrich by automatically
// detectable pieces, construct an Engine and a RunControl.
void initialize(const DebuggerStartParameters &sp);
void enrich(const RunConfiguration *runConfig, const Kit *kit);
void createRunControl(Core::Id runMode = DebugRunMode);
QString fullError() const { return m_errors.join(QLatin1Char('\n')); }
// Result.
DebuggerRunParameters m_rp;
QStringList m_errors;
DebuggerRunControl *m_runControl = 0;
const RunConfiguration *m_runConfig = 0;
};
void DebuggerRunControlCreator::initialize(const DebuggerStartParameters &sp)
{
m_rp.DebuggerStartParameters::operator=(sp);
}
void DebuggerRunControlCreator::enrich(const RunConfiguration *runConfig, const Kit *kit)
{
m_runConfig = runConfig;
QTC_ASSERT(kit, return);
Target *target = 0;
Project *project = 0;
// Find a Kit and Target. Either could be missing.
if (m_runConfig)
target = m_runConfig->target();
// Extract as much as possible from available RunConfiguration.
if (m_runConfig && m_runConfig->runnable().is<StandardRunnable>()) {
m_rp.inferior = m_runConfig->runnable().as<StandardRunnable>();
m_rp.useTerminal = m_rp.inferior.runMode == ApplicationLauncher::Console;
// Normalize to work around QTBUG-17529 (QtDeclarative fails with 'File name case mismatch'...)
m_rp.inferior.workingDirectory = FileUtils::normalizePathName(m_rp.inferior.workingDirectory);
}
// We might get an executable from a local PID.
if (m_rp.inferior.executable.isEmpty() && m_rp.attachPID != InvalidPid) {
foreach (const DeviceProcessItem &p, DeviceProcessList::localProcesses())
if (p.pid == m_rp.attachPID)
m_rp.inferior.executable = p.exe;
}
if (m_runConfig) {
if (auto envAspect = m_runConfig->extraAspect<EnvironmentAspect>()) {
m_rp.inferior.environment = envAspect->environment(); // Correct.
m_rp.stubEnvironment = m_rp.inferior.environment; // FIXME: Wrong, but contains DYLD_IMAGE_SUFFIX
m_rp.debuggerEnvironment = m_rp.inferior.environment; // FIXME: Wrong, but contains DYLD_IMAGE_SUFFIX
}
}
if (ToolChain *tc = ToolChainKitInformation::toolChain(kit))
m_rp.toolChainAbi = tc->targetAbi();
if (target)
project = target->project();
if (project && m_rp.projectSourceDirectory.isEmpty())
m_rp.projectSourceDirectory = project->projectDirectory().toString();
if (project && m_rp.projectSourceFiles.isEmpty())
m_rp.projectSourceFiles = project->files(Project::SourceFiles);
if (project && m_rp.projectSourceFiles.isEmpty())
m_rp.projectSourceFiles = project->files(Project::SourceFiles);
if (false && project) {
const QtSupport::BaseQtVersion *version = QtSupport::QtKitInformation::qtVersion(kit);
m_rp.nativeMixedEnabled = version && version->qtVersion() >= QtSupport::QtVersionNumber(5, 7, 0);
}
bool ok = false;
int nativeMixedOverride = qgetenv("QTC_DEBUGGER_NATIVE_MIXED").toInt(&ok);
if (ok)
m_rp.nativeMixedEnabled = bool(nativeMixedOverride);
m_rp.cppEngineType = DebuggerKitInformation::engineType(kit);
m_rp.sysRoot = SysRootKitInformation::sysRoot(kit).toString();
m_rp.debuggerCommand = DebuggerKitInformation::debuggerCommand(kit).toString();
m_rp.device = DeviceKitInformation::device(kit);
if (project) {
m_rp.projectSourceDirectory = project->projectDirectory().toString();
m_rp.projectSourceFiles = project->files(Project::SourceFiles);
}
if (m_rp.displayName.isEmpty() && m_runConfig)
m_rp.displayName = m_runConfig->displayName();
if (m_runConfig && m_runConfig->property("supportsDebugger").toBool()) {
QString mainScript = m_runConfig->property("mainScript").toString();
QString interpreter = m_runConfig->property("interpreter").toString();
if (!interpreter.isEmpty() && mainScript.endsWith(_(".py"))) {
m_rp.mainScript = mainScript;
m_rp.interpreter = interpreter;
QString args = m_runConfig->property("arguments").toString();
if (!args.isEmpty()) {
if (!m_rp.inferior.commandLineArguments.isEmpty())
m_rp.inferior.commandLineArguments.append(QLatin1Char(' '));
m_rp.inferior.commandLineArguments.append(args);
}
m_rp.masterEngineType = PdbEngineType;
}
}
DebuggerRunConfigurationAspect *debuggerAspect = 0;
if (m_runConfig)
debuggerAspect = m_runConfig->extraAspect<DebuggerRunConfigurationAspect>();
if (debuggerAspect)
m_rp.multiProcess = debuggerAspect->useMultiProcess();
if (debuggerAspect) {
m_rp.languages = NoLanguage;
if (debuggerAspect->useCppDebugger())
m_rp.languages |= CppLanguage;
if (debuggerAspect->useQmlDebugger())
m_rp.languages |= QmlLanguage;
}
// This can happen e.g. when started from the command line.
if (m_rp.languages == NoLanguage)
m_rp.languages = CppLanguage;
// validate debugger if C++ debugging is enabled
if (m_rp.languages & CppLanguage) {
const QList<Task> tasks = DebuggerKitInformation::validateDebugger(kit);
if (!tasks.isEmpty()) {
foreach (const Task &t, tasks)
m_errors.append(t.description);
return;
}
}
if (m_rp.languages & QmlLanguage) {
if (m_rp.device && m_rp.device->type() == ProjectExplorer::Constants::DESKTOP_DEVICE_TYPE) {
QTcpServer server;
const bool canListen = server.listen(QHostAddress::LocalHost)
|| server.listen(QHostAddress::LocalHostIPv6);
if (!canListen) {
m_errors.append(DebuggerPlugin::tr("Not enough free ports for QML debugging.") + QLatin1Char(' '));
return;
}
m_rp.qmlServerAddress = server.serverAddress().toString();
m_rp.qmlServerPort = server.serverPort();
// Makes sure that all bindings go through the JavaScript engine, so that
// breakpoints are actually hit!
const QString optimizerKey = _("QML_DISABLE_OPTIMIZER");
if (!m_rp.inferior.environment.hasKey(optimizerKey))
m_rp.inferior.environment.set(optimizerKey, _("1"));
}
}
if (!boolSetting(AutoEnrichParameters)) {
const QString sysroot = m_rp.sysRoot;
if (m_rp.debugInfoLocation.isEmpty())
m_rp.debugInfoLocation = sysroot + QLatin1String("/usr/lib/debug");
if (m_rp.debugSourceLocation.isEmpty()) {
QString base = sysroot + QLatin1String("/usr/src/debug/");
m_rp.debugSourceLocation.append(base + QLatin1String("qt5base/src/corelib"));
m_rp.debugSourceLocation.append(base + QLatin1String("qt5base/src/gui"));
m_rp.debugSourceLocation.append(base + QLatin1String("qt5base/src/network"));
}
}
if (m_rp.masterEngineType == NoEngineType) {
if (m_rp.languages & QmlLanguage) {
QmlDebug::QmlDebugServicesPreset service;
if (m_rp.languages & CppLanguage) {
if (m_rp.nativeMixedEnabled) {
service = QmlDebug::QmlNativeDebuggerServices;
} else {
m_rp.masterEngineType = QmlCppEngineType;
service = QmlDebug::QmlDebuggerServices;
}
} else {
m_rp.masterEngineType = QmlEngineType;
service = QmlDebug::QmlDebuggerServices;
}
if (m_rp.startMode != AttachExternal)
QtcProcess::addArg(&m_rp.inferior.commandLineArguments,
(m_rp.languages & CppLanguage) && m_rp.nativeMixedEnabled ?
QmlDebug::qmlDebugNativeArguments(service, false) :
QmlDebug::qmlDebugTcpArguments(service, m_rp.qmlServerPort));
}
}
if (m_rp.masterEngineType == NoEngineType)
m_rp.masterEngineType = m_rp.cppEngineType;
if (m_rp.device && m_rp.connParams.port == 0)
m_rp.connParams = m_rp.device->sshParameters();
// Could have been set from command line.
if (m_rp.remoteChannel.isEmpty())
m_rp.remoteChannel = m_rp.connParams.host + QLatin1Char(':') + QString::number(m_rp.connParams.port);
if (m_rp.startMode == NoStartMode)
m_rp.startMode = StartInternal;
}
// Re-used for Combined C++/QML engine.
DebuggerEngine *createEngine(DebuggerEngineType et, const DebuggerRunParameters &rp, QStringList *errors)
{
switch (et) {
case GdbEngineType:
return createGdbEngine(rp);
case CdbEngineType:
return createCdbEngine(rp, errors);
case PdbEngineType:
return createPdbEngine(rp);
case QmlEngineType:
return createQmlEngine(rp);
case LldbEngineType:
return createLldbEngine(rp);
case QmlCppEngineType:
return createQmlCppEngine(rp, errors);
default:
if (errors)
errors->append(DebuggerPlugin::tr("Unknown debugger type \"%1\"").arg(_(engineTypeName(et))));
}
return 0;
}
void DebuggerRunControlCreator::createRunControl(Core::Id runMode)
{
if (runMode == DebugRunModeWithBreakOnMain)
m_rp.breakOnMain = true;
DebuggerEngine *engine = createEngine(m_rp.masterEngineType, m_rp, &m_errors);
if (!engine) {
m_errors.append(DebuggerPlugin::tr("Unable to create a debugger engine of the type \"%1\"").
arg(_(engineTypeName(m_rp.masterEngineType))));
m_rp.startMode = NoStartMode;
return;
}
m_runControl = new DebuggerRunControl(const_cast<RunConfiguration *>(m_runConfig), engine);
if (!m_runControl)
m_rp.startMode = NoStartMode;
}
////////////////////////////////////////////////////////////////////////
//
// DebuggerRunControlFactory
//
////////////////////////////////////////////////////////////////////////
static bool isDebuggableScript(RunConfiguration *runConfig)
{
QString mainScript = runConfig->property("mainScript").toString();
return mainScript.endsWith(_(".py")); // Only Python for now.
}
class DebuggerRunControlFactory : public IRunControlFactory
{
public:
explicit DebuggerRunControlFactory(QObject *parent)
: IRunControlFactory(parent)
{}
RunControl *create(RunConfiguration *runConfig,
Core::Id mode, QString *errorMessage) override
{
QTC_ASSERT(runConfig, return 0);
QTC_ASSERT(mode == DebugRunMode || mode == DebugRunModeWithBreakOnMain, return 0);
// We cover only local setup here. Remote setups are handled by the
// RunControl factories in the target specific plugins.
DebuggerRunControlCreator creator;
creator.enrich(runConfig, runConfig->target()->kit());
creator.createRunControl(mode);
if (errorMessage)
*errorMessage = creator.fullError();
return creator.m_runControl;
}
bool canRun(RunConfiguration *runConfig, Core::Id mode) const override
{
if (!(mode == DebugRunMode || mode == DebugRunModeWithBreakOnMain))
return false;
return DeviceTypeKitInformation::deviceTypeId(runConfig->target()->kit())
== ProjectExplorer::Constants::DESKTOP_DEVICE_TYPE
|| isDebuggableScript(runConfig);
}
IRunConfigurationAspect *createRunConfigurationAspect(RunConfiguration *rc) override
{
return new DebuggerRunConfigurationAspect(rc);
}
};
QObject *createDebuggerRunControlFactory(QObject *parent)
{
return new DebuggerRunControlFactory(parent);
}
////////////////////////////////////////////////////////////////////////
//
// Externally visible helper.
//
////////////////////////////////////////////////////////////////////////
/**
* Used for direct "special" starts from actions in the debugger plugin.
*/
DebuggerRunControl *createAndScheduleRun(const DebuggerRunParameters &rp, const Kit *kit)
{
QTC_ASSERT(kit, return 0); // Caller needs to look for a suitable kit.
DebuggerRunControlCreator creator;
creator.m_rp = rp;
creator.enrich(0, kit);
creator.createRunControl(DebugRunMode);
if (!creator.m_runControl) {
ProjectExplorerPlugin::showRunErrorMessage(creator.fullError());
return 0;
}
Internal::showMessage(rp.startMessage, 0);
ProjectExplorerPlugin::startRunControl(creator.m_runControl, DebugRunMode);
return creator.m_runControl; // Only used for tests.
}
} // namespace Internal
/**
* Main entry point for target plugins.
*/
DebuggerRunControl *createDebuggerRunControl(const DebuggerStartParameters &sp,
RunConfiguration *runConfig,
QString *errorMessage,
Core::Id runMode)
{
QTC_ASSERT(runConfig, return 0);
DebuggerRunControlCreator creator;
creator.initialize(sp);
creator.enrich(runConfig, runConfig->target()->kit());
creator.createRunControl(runMode);
if (errorMessage)
*errorMessage = creator.fullError();
if (!creator.m_runControl) {
Core::ICore::showWarningWithOptions(DebuggerRunControl::tr("Debugger"), creator.fullError());
return 0;
}
return creator.m_runControl;
}
} // namespace Debugger
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