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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "attachgdbadapter.h"
#include "debuggeractions.h"
#include "gdbengine.h"
#include "procinterrupt.h"
#include "debuggerstringutils.h"
#include <utils/qtcassert.h>
namespace Debugger {
namespace Internal {
#define STRINGIFY_INTERNAL(x) #x
#define STRINGIFY(x) STRINGIFY_INTERNAL(x)
#define CB(callback) \
static_cast<GdbEngine::AdapterCallback>(&AttachGdbAdapter::callback), \
STRINGIFY(callback)
///////////////////////////////////////////////////////////////////////
//
// AttachGdbAdapter
//
///////////////////////////////////////////////////////////////////////
AttachGdbAdapter::AttachGdbAdapter(GdbEngine *engine, QObject *parent)
: AbstractGdbAdapter(engine, parent)
{
QTC_ASSERT(state() == DebuggerNotReady, qDebug() << state());
connect(&m_gdbProc, SIGNAL(error(QProcess::ProcessError)),
this, SLOT(handleGdbError(QProcess::ProcessError)));
connect(&m_gdbProc, SIGNAL(readyReadStandardOutput()),
this, SIGNAL(readyReadStandardOutput()));
connect(&m_gdbProc, SIGNAL(readyReadStandardError()),
this, SIGNAL(readyReadStandardError()));
connect(&m_gdbProc, SIGNAL(started()),
this, SLOT(handleGdbStarted()));
connect(&m_gdbProc, SIGNAL(finished(int, QProcess::ExitStatus)),
this, SLOT(handleGdbFinished(int, QProcess::ExitStatus)));
}
void AttachGdbAdapter::startAdapter()
{
QTC_ASSERT(state() == EngineStarting, qDebug() << state());
setState(AdapterStarting);
debugMessage(_("TRYING TO START ADAPTER"));
QStringList gdbArgs;
gdbArgs.prepend(_("mi"));
gdbArgs.prepend(_("-i"));
if (!m_engine->m_outputCollector.listen()) {
emit adapterStartFailed(tr("Cannot set up communication with child process: %1")
.arg(m_engine->m_outputCollector.errorString()));
return;
}
gdbArgs.prepend(_("--tty=") + m_engine->m_outputCollector.serverName());
if (!startParameters().workingDir.isEmpty())
setWorkingDirectory(startParameters().workingDir);
if (!startParameters().environment.isEmpty())
setEnvironment(startParameters().environment);
QString location = theDebuggerStringSetting(GdbLocation);
m_gdbProc.start(location, gdbArgs);
}
void AttachGdbAdapter::handleGdbStarted()
{
QTC_ASSERT(state() == AdapterStarting, qDebug() << state());
setState(AdapterStarted);
emit adapterStarted();
}
void AttachGdbAdapter::handleGdbError(QProcess::ProcessError error)
{
debugMessage(_("PLAIN ADAPTER, HANDLE GDB ERROR"));
emit adapterCrashed(m_engine->errorMessage(error));
shutdown();
}
void AttachGdbAdapter::prepareInferior()
{
QTC_ASSERT(state() == AdapterStarted, qDebug() << state());
setState(InferiorPreparing);
setState(InferiorPrepared);
emit inferiorPrepared();
}
void AttachGdbAdapter::startInferior()
{
QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
const qint64 pid = startParameters().attachPID;
m_engine->postCommand(_("attach %1").arg(pid), CB(handleAttach));
// Task 254674 does not want to remove them
//qq->breakHandler()->removeAllBreakpoints();
}
void AttachGdbAdapter::handleAttach(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
if (response.resultClass == GdbResultDone) {
setState(InferiorStopped);
debugMessage(_("INFERIOR STARTED"));
showStatusMessage(tr("Attached to stopped inferior."));
m_engine->updateAll();
} else if (response.resultClass == GdbResultError) {
QString msg = __(response.data.findChild("msg").data());
setState(InferiorStartFailed);
emit inferiorStartFailed(msg);
}
}
void AttachGdbAdapter::handleContinue(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
if (response.resultClass == GdbResultRunning) {
setState(InferiorRunning);
debugMessage(_("INFERIOR STARTED"));
showStatusMessage(tr("Inferior running."));
} else {
QTC_ASSERT(response.resultClass == GdbResultError, /**/);
const QByteArray &msg = response.data.findChild("msg").data();
setState(InferiorStartFailed);
emit inferiorStartFailed(msg);
}
}
void AttachGdbAdapter::interruptInferior()
{
debugMessage(_("TRYING TO INTERUPT INFERIOR"));
const qint64 pid = startParameters().attachPID;
if (!interruptProcess(pid))
debugMessage(_("CANNOT INTERRUPT %1").arg(pid));
}
void AttachGdbAdapter::shutdown()
{
switch (state()) {
case InferiorStartFailed:
m_engine->postCommand(_("-gdb-exit"));
setState(DebuggerNotReady);
return;
case InferiorStopped:
setState(InferiorShuttingDown);
m_engine->postCommand(_("detach"), CB(handleDetach));
return;
case InferiorShutDown:
setState(AdapterShuttingDown);
m_engine->postCommand(_("-gdb-exit"), CB(handleExit));
return;
default:
QTC_ASSERT(false, qDebug() << state());
}
}
void AttachGdbAdapter::handleDetach(const GdbResponse &response)
{
if (response.resultClass == GdbResultDone) {
setState(InferiorShutDown);
emit inferiorShutDown();
shutdown(); // re-iterate...
} else if (response.resultClass == GdbResultError) {
QString msg = tr("Inferior process could not be stopped:\n") +
__(response.data.findChild("msg").data());
setState(InferiorShutdownFailed);
emit inferiorShutdownFailed(msg);
}
}
void AttachGdbAdapter::handleExit(const GdbResponse &response)
{
if (response.resultClass == GdbResultDone) {
// don't set state here, this will be handled in handleGdbFinished()
} else if (response.resultClass == GdbResultError) {
QString msg = tr("Gdb process could not be stopped:\n") +
__(response.data.findChild("msg").data());
emit adapterShutdownFailed(msg);
}
}
void AttachGdbAdapter::handleGdbFinished(int, QProcess::ExitStatus)
{
debugMessage(_("GDB PROESS FINISHED"));
setState(DebuggerNotReady);
emit adapterShutDown();
}
} // namespace Internal
} // namespace Debugger
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