feedc0de/qt-creator
1
0
Fork 0
forked from qt-creator/qt-creator
Code Pull Requests Activity
Files
77cf419d770bf973159fb1be1799b626aadb05f2
qt-creator/src/plugins/debugger/qml/qmlengine.cpp

1006 lines
29 KiB
C++
Raw Blame History

/**************************************************************************
**
** 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 "qmlengine.h"
#include "debuggerconstants.h"
#include "debuggerplugin.h"
#include "debuggerdialogs.h"
#include "debuggerstringutils.h"
#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "stackhandler.h"
#include "watchhandler.h"
#include "watchutils.h"
#include "canvasframerate.h"
#include <projectexplorer/environment.h>
#include <utils/qtcassert.h>
#include <QtCore/QDateTime>
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QTimer>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QMainWindow>
#include <QtGui/QMessageBox>
#include <QtGui/QToolTip>
#include <QtNetwork/QTcpSocket>
#include <QtNetwork/QHostAddress>
#include <private/qdeclarativedebug_p.h>
#include <private/qdeclarativedebugclient_p.h>
#define DEBUG_QML 1
#if DEBUG_QML
# define SDEBUG(s) qDebug() << s
#else
# define SDEBUG(s)
#endif
# define XSDEBUG(s) qDebug() << s
#define CB(callback) &QmlEngine::callback, STRINGIFY(callback)
//#define USE_CONGESTION_CONTROL
namespace Debugger {
namespace Internal {
class QmlResponse
{
public:
QmlResponse() {}
QmlResponse(const QByteArray &data_) : data(data_) {}
QString toString() const { return data; }
QByteArray data;
};
///////////////////////////////////////////////////////////////////////
//
// QmlCommand
//
///////////////////////////////////////////////////////////////////////
QString QmlEngine::QmlCommand::toString() const
{
return quoteUnprintableLatin1(command);
}
///////////////////////////////////////////////////////////////////////
//
// QmlDebuggerClient
//
///////////////////////////////////////////////////////////////////////
class QmlDebuggerClient : public QDeclarativeDebugClient
{
Q_OBJECT
public:
QmlDebuggerClient(QDeclarativeDebugConnection *connection, QmlEngine *engine)
: QDeclarativeDebugClient(QLatin1String("Debugger"), connection)
, m_connection(connection), m_engine(engine)
{
setEnabled(true);
}
void messageReceived(const QByteArray &data)
{
m_engine->messageReceived(data);
}
QDeclarativeDebugConnection *m_connection;
QmlEngine *m_engine;
};
///////////////////////////////////////////////////////////////////////
//
// QmlEngine
//
///////////////////////////////////////////////////////////////////////
QmlEngine::QmlEngine(const DebuggerStartParameters &startParameters)
: DebuggerEngine(startParameters)
{
m_congestion = 0;
m_inAir = 0;
m_conn = 0;
m_client = 0;
m_engineQuery = 0;
m_contextQuery = 0;
m_frameRate = 0;
m_sendTimer.setSingleShot(true);
m_sendTimer.setInterval(100); // ms
connect(&m_sendTimer, SIGNAL(timeout()), this, SLOT(handleSendTimer()));
m_socket = new QTcpSocket(this);
connect(m_socket, SIGNAL(connected()), this, SLOT(socketConnected()));
connect(m_socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
connect(m_socket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(socketError(QAbstractSocket::SocketError)));
//void aboutToClose ()
//void bytesWritten ( qint64 bytes )
//void readChannelFinished ()
connect(m_socket, SIGNAL(readyRead()), this, SLOT(socketReadyRead()));
//connect(m_socket, SIGNAL(hostFound())
//connect(m_socket, SIGNAL(proxyAuthenticationRequired(QNetworkProxy, QAuthenticator *)))
//connect(m_socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
// thism SLOT(socketStateChanged(QAbstractSocket::SocketState)));
}
QmlEngine::~QmlEngine()
{
}
void QmlEngine::socketReadyRead()
{
//XSDEBUG("QmlEngine::socketReadyRead()");
m_inbuffer.append(m_socket->readAll());
int pos = 0;
while (1) {
// the "\3" is followed by either "\1" or "\2"
int next = m_inbuffer.indexOf("\3", pos);
//qDebug() << "pos: " << pos << "next: " << next;
if (next == -1)
break;
handleResponse(m_inbuffer.mid(pos, next - pos));
pos = next + 2;
}
m_inbuffer.clear();
}
void QmlEngine::socketConnected()
{
qDebug() << "SOCKET CONNECTED.";
showStatusMessage("Socket connected.");
//m_socket->waitForConnected(2000);
//sendCommand("Locator", "redirect", "ID");
}
void QmlEngine::socketDisconnected()
{
XSDEBUG("FIXME: QmlEngine::socketDisconnected()");
}
void QmlEngine::socketError(QAbstractSocket::SocketError)
{
QString msg = tr("%1.").arg(m_socket->errorString());
//QMessageBox::critical(q->mainWindow(), tr("Error"), msg);
showStatusMessage(msg);
qDebug() << "SOCKET ERROR: " << msg;
exitDebugger();
}
void QmlEngine::executeDebuggerCommand(const QString &command)
{
QByteArray cmd = command.toUtf8();
cmd = cmd.mid(cmd.indexOf(' ') + 1);
QByteArray null;
null.append('\0');
// FIXME: works for single-digit escapes only
cmd.replace("\\0", null);
cmd.replace("\\1", "\1");
cmd.replace("\\3", "\3");
QmlCommand tcf;
tcf.command = cmd;
enqueueCommand(tcf);
}
void QmlEngine::shutdown()
{
m_congestion = 0;
m_inAir = 0;
m_services.clear();
exitDebugger();
}
void QmlEngine::exitDebugger()
{
SDEBUG("QmlEngine::exitDebugger()");
}
const int serverPort = 3768;
void QmlEngine::startDebugger()
{
QTC_ASSERT(state() == DebuggerNotReady, setState(DebuggerNotReady));
setState(EngineStarting);
const DebuggerStartParameters &sp = startParameters();
const int pos = sp.remoteChannel.indexOf(QLatin1Char(':'));
const QString host = sp.remoteChannel.left(pos);
const quint16 port = sp.remoteChannel.mid(pos + 1).toInt();
qDebug() << "STARTING QML ENGINE" << host << port << sp.remoteChannel
<< sp.executable << sp.processArgs << sp.workingDirectory;
ProjectExplorer::Environment env = ProjectExplorer::Environment::systemEnvironment(); // empty env by default
env.set("QML_DEBUG_SERVER_PORT", QString::number(serverPort));
connect(&m_proc, SIGNAL(error(QProcess::ProcessError)),
SLOT(handleProcError(QProcess::ProcessError)));
connect(&m_proc, SIGNAL(finished(int, QProcess::ExitStatus)),
SLOT(handleProcFinished(int, QProcess::ExitStatus)));
connect(&m_proc, SIGNAL(readyReadStandardOutput()),
SLOT(readProcStandardOutput()));
connect(&m_proc, SIGNAL(readyReadStandardError()),
SLOT(readProcStandardError()));
setState(AdapterStarting);
m_proc.setEnvironment(env.toStringList());
m_proc.setWorkingDirectory(sp.workingDirectory);
m_proc.start(sp.executable, sp.processArgs);
//QTimer::singleShot(0, this, SLOT(runInferior()));
if (!m_proc.waitForStarted()) {
setState(AdapterStartFailed);
startFailed();
return;
}
qDebug() << "PROC STARTED.";
//m_socket->connectToHost(host, port);
//startSuccessful();
//showStatusMessage(tr("Running requested..."), 5000);
//setState(InferiorRunning); // FIXME
setState(AdapterStarted);
setState(InferiorStarting);
//m_frameRate = new CanvasFrameRate(0);
//m_frameRate->show();
}
void QmlEngine::setupConnection()
{
QTC_ASSERT(m_conn == 0, /**/);
m_conn = new QDeclarativeDebugConnection(this);
connect(m_conn, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
SLOT(connectionStateChanged()));
connect(m_conn, SIGNAL(error(QAbstractSocket::SocketError)),
SLOT(connectionError()));
connect(m_conn, SIGNAL(connected()),
SLOT(connectionConnected()));
QTC_ASSERT(m_client == 0, /**/);
m_client = new QmlDebuggerClient(m_conn, this);
//m_objectTreeWidget->setEngineDebug(m_client);
//m_propertiesWidget->setEngineDebug(m_client);
//m_watchTableModel->setEngineDebug(m_client);
//m_expressionWidget->setEngineDebug(m_client);
// resetViews();
// m_frameRateWidget->reset(m_conn);
// reloadEngines();
QHostAddress ha(QHostAddress::LocalHost);
qDebug() << "CONNECTING TO " << ha.toString() << serverPort;
m_conn->connectToHost(ha, serverPort);
if (!m_conn->waitForConnected()) {
qDebug() << "CONNECTION FAILED";
setState(InferiorStartFailed);
startFailed();
return;
}
qDebug() << "CONNECTION SUCCESSFUL";
setState(InferiorRunning);
startSuccessful();
}
void QmlEngine::continueInferior()
{
SDEBUG("QmlEngine::continueInferior()");
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("CONTINUE");
sendMessage(reply);
setState(InferiorRunningRequested);
setState(InferiorRunning);
}
void QmlEngine::runInferior()
{
}
void QmlEngine::interruptInferior()
{
qDebug() << "INTERRUPT";
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("INTERRUPT");
sendMessage(reply);
}
void QmlEngine::executeStep()
{
SDEBUG("QmlEngine::executeStep()");
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("STEPINTO");
sendMessage(reply);
setState(InferiorRunningRequested);
setState(InferiorRunning);
}
void QmlEngine::executeStepI()
{
SDEBUG("QmlEngine::executeStepI()");
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("STEPINTO");
sendMessage(reply);
setState(InferiorRunningRequested);
setState(InferiorRunning);
}
void QmlEngine::executeStepOut()
{
SDEBUG("QmlEngine::executeStepOut()");
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("STEPOUT");
sendMessage(reply);
setState(InferiorRunningRequested);
setState(InferiorRunning);
}
void QmlEngine::executeNext()
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("STEPOVER");
sendMessage(reply);
setState(InferiorRunningRequested);
setState(InferiorRunning);
SDEBUG("QmlEngine::nextExec()");
}
void QmlEngine::executeNextI()
{
SDEBUG("QmlEngine::executeNextI()");
}
void QmlEngine::executeRunToLine(const QString &fileName, int lineNumber)
{
Q_UNUSED(fileName)
Q_UNUSED(lineNumber)
SDEBUG("FIXME: QmlEngine::executeRunToLine()");
}
void QmlEngine::executeRunToFunction(const QString &functionName)
{
Q_UNUSED(functionName)
XSDEBUG("FIXME: QmlEngine::executeRunToFunction()");
}
void QmlEngine::executeJumpToLine(const QString &fileName, int lineNumber)
{
Q_UNUSED(fileName)
Q_UNUSED(lineNumber)
XSDEBUG("FIXME: QmlEngine::executeJumpToLine()");
}
void QmlEngine::activateFrame(int index)
{
Q_UNUSED(index)
qDebug() << Q_FUNC_INFO << index;
gotoLocation(stackHandler()->frames().value(index), true);
}
void QmlEngine::selectThread(int index)
{
Q_UNUSED(index)
}
void QmlEngine::attemptBreakpointSynchronization()
{
BreakHandler *handler = breakHandler();
//bool updateNeeded = false;
QSet< QPair<QString, qint32> > breakList;
for (int index = 0; index != handler->size(); ++index) {
BreakpointData *data = handler->at(index);
breakList << qMakePair(data->fileName, data->lineNumber.toInt());
}
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("BREAKPOINTS");
rs << breakList;
//qDebug() << Q_FUNC_INFO << breakList;
sendMessage(reply);
}
}
void QmlEngine::loadSymbols(const QString &moduleName)
{
Q_UNUSED(moduleName)
}
void QmlEngine::loadAllSymbols()
{
}
void QmlEngine::reloadModules()
{
}
void QmlEngine::requestModuleSymbols(const QString &moduleName)
{
Q_UNUSED(moduleName)
}
void QmlEngine::handleResponse(const QByteArray &response)
{
Q_UNUSED(response);
/*
static QTime lastTime;
//showMessage(_(" "), currentTime(), LogTime);
QList<QByteArray> parts = response.split('\0');
if (parts.size() < 2 || !parts.last().isEmpty()) {
SDEBUG("WRONG RESPONSE PACKET LAYOUT" << parts);
//if (response.isEmpty())
acknowledgeResult();
return;
}
parts.removeLast(); // always empty
QByteArray tag = parts.at(0);
int n = parts.size();
if (n == 2 && tag == "N") { // unidentified command
int token = parts.at(1).toInt();
QmlCommand tcf = m_cookieForToken[token];
SDEBUG("COMMAND NOT RECOGNIZED FOR TOKEN" << token << tcf.toString());
showDebuggerOutput(LogOutput, QString::number(token) + "^"
+ "NOT RECOQNIZED: " + quoteUnprintableLatin1(response));
acknowledgeResult();
} else if (n == 2 && tag == "F") { // flow control
m_congestion = parts.at(1).toInt();
SDEBUG("CONGESTION: " << m_congestion);
} else if (n == 4 && tag == "R") { // result data
acknowledgeResult();
int token = parts.at(1).toInt();
QByteArray message = parts.at(2);
QmlResponse data(parts.at(3));
showDebuggerOutput(LogOutput, QString("%1^%2%3").arg(token)
.arg(quoteUnprintableLatin1(response))
.arg(QString::fromUtf8(data.toString())));
QmlCommand tcf = m_cookieForToken[token];
QmlResponse result(data);
SDEBUG("GOOD RESPONSE: " << quoteUnprintableLatin1(response));
if (tcf.callback)
(this->*(tcf.callback))(result, tcf.cookie);
} else if (n == 3 && tag == "P") { // progress data (partial result)
//int token = parts.at(1).toInt();
QByteArray data = parts.at(2);
SDEBUG(_("\nTCF PARTIAL:") << quoteUnprintableLatin1(response));
} else if (n == 4 && tag == "E") { // an event
QByteArray service = parts.at(1);
QByteArray eventName = parts.at(2);
QmlResponse data(parts.at(3));
if (eventName != "peerHeartBeat")
SDEBUG(_("\nTCF EVENT:") << quoteUnprintableLatin1(response)
<< data.toString());
if (service == "Locator" && eventName == "Hello") {
m_services.clear();
foreach (const QmlResponse &service, data.children())
m_services.append(service.data());
QTimer::singleShot(0, this, SLOT(startDebugging()));
}
} else {
SDEBUG("UNKNOWN RESPONSE PACKET:"
<< quoteUnprintableLatin1(response) << parts);
}
*/
}
void QmlEngine::startDebugging()
{
qDebug() << "START";
}
void QmlEngine::postCommand(const QByteArray &cmd,
QmlCommandCallback callback, const char *callbackName)
{
Q_UNUSED(cmd);
Q_UNUSED(callback);
Q_UNUSED(callbackName);
/*
static int token = 20;
++token;
//const char marker_eom = -1;
//const char marker_eos = -2;
//const char marker_null = -3;
QByteArray ba = "C";
ba.append('\0');
ba.append(QByteArray::number(token));
ba.append('\0');
ba.append(cmd);
ba.append('\0');
ba.append('\3');
ba.append('\1');
QmlCommand tcf;
tcf.command = ba;
tcf.callback = callback;
tcf.callbackName = callbackName;
tcf.token = token;
m_cookieForToken[token] = tcf;
enqueueCommand(tcf);
*/
}
// Congestion control does not seem to work that way. Basically it's
// already too late when we get a flow control packet
void QmlEngine::enqueueCommand(const QmlCommand &cmd)
{
Q_UNUSED(cmd);
/*
#ifdef USE_CONGESTION_CONTROL
// congestion controled
if (m_congestion <= 0 && m_sendQueue.isEmpty()) {
//SDEBUG("DIRECT SEND" << cmd.toString());
sendCommandNow(cmd);
} else {
SDEBUG("QUEUE " << cmd.toString());
m_sendQueue.enqueue(cmd);
m_sendTimer.start();
}
#else
// synchrounously
if (m_inAir == 0)
sendCommandNow(cmd);
else
m_sendQueue.enqueue(cmd);
#endif
*/
}
void QmlEngine::handleSendTimer()
{
/*
QTC_ASSERT(!m_sendQueue.isEmpty(), return);
if (m_congestion > 0) {
// not ready...
SDEBUG("WAITING FOR CONGESTION TO GO DOWN...");
m_sendTimer.start();
} else {
// go!
sendCommandNow(m_sendQueue.dequeue());
}
*/
}
void QmlEngine::sendMessage(const QByteArray &msg)
{
QTC_ASSERT(m_client, return);
m_client->sendMessage(msg);
}
void QmlEngine::sendCommandNow(const QmlCommand &cmd)
{
++m_inAir;
int result = m_socket->write(cmd.command);
Q_UNUSED(result)
m_socket->flush();
showMessage(QString::number(cmd.token) + " " + cmd.toString(), LogInput);
SDEBUG("SEND " << cmd.toString()); //<< " " << QString::number(result));
}
void QmlEngine::acknowledgeResult()
{
#if !defined(USE_CONGESTION_CONTROL)
QTC_ASSERT(m_inAir == 1, /**/);
m_inAir = 0;
if (!m_sendQueue.isEmpty())
sendCommandNow(m_sendQueue.dequeue());
#endif
}
void QmlEngine::handleRunControlSuspend(const QmlResponse &data, const QVariant &)
{
SDEBUG("HANDLE RESULT" << data.toString());
}
void QmlEngine::handleRunControlGetChildren(const QmlResponse &data, const QVariant &)
{
SDEBUG("HANDLE RUN CONTROL GET CHILDREN" << data.toString());
}
void QmlEngine::handleSysMonitorGetChildren(const QmlResponse &data, const QVariant &)
{
SDEBUG("HANDLE RUN CONTROL GET CHILDREN" << data.toString());
}
//////////////////////////////////////////////////////////////////////
//
// Tooltip specific stuff
//
//////////////////////////////////////////////////////////////////////
static WatchData m_toolTip;
static QPoint m_toolTipPos;
static QHash<QString, WatchData> m_toolTipCache;
void QmlEngine::setToolTipExpression(const QPoint &mousePos, TextEditor::ITextEditor *editor, int cursorPos)
{
Q_UNUSED(mousePos)
Q_UNUSED(editor)
Q_UNUSED(cursorPos)
}
//////////////////////////////////////////////////////////////////////
//
// Watch specific stuff
//
//////////////////////////////////////////////////////////////////////
void QmlEngine::assignValueInDebugger(const QString &expression,
const QString &value)
{
XSDEBUG("ASSIGNING: " << expression + '=' + value);
updateLocals();
}
void QmlEngine::updateLocals()
{
}
void QmlEngine::updateWatchData(const WatchData &data)
{
//watchHandler()->rebuildModel();
showStatusMessage(tr("Stopped."), 5000);
if (!data.name.isEmpty()) {
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("EXEC");
rs << data.iname << data.name;
sendMessage(reply);
}
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
rs << QByteArray("WATCH_EXPRESSIONS");
rs << watchHandler()->watchedExpressions();
sendMessage(reply);
}
}
void QmlEngine::updateSubItem(const WatchData &data0)
{
Q_UNUSED(data0)
QTC_ASSERT(false, return);
}
DebuggerEngine *createQmlEngine(const DebuggerStartParameters &sp)
{
return new QmlEngine(sp);
}
unsigned QmlEngine::debuggerCapabilities() const
{
return AddWatcherCapability;
/*ReverseSteppingCapability | SnapshotCapability
| AutoDerefPointersCapability | DisassemblerCapability
| RegisterCapability | ShowMemoryCapability
| JumpToLineCapability | ReloadModuleCapability
| ReloadModuleSymbolsCapability | BreakOnThrowAndCatchCapability
| ReturnFromFunctionCapability
| CreateFullBacktraceCapability
| WatchpointCapability
| AddWatcherCapability;*/
}
static void updateWatchDataFromVariant(const QVariant &value, WatchData &data)
{
switch (value.userType()) {
case QVariant::Bool:
data.setType(QLatin1String("Bool"), false);
data.setValue(value.toBool() ? QLatin1String("true") : QLatin1String("false"));
data.setHasChildren(false);
break;
case QVariant::Date:
case QVariant::DateTime:
case QVariant::Time:
data.setType(QLatin1String("Date"), false);
data.setValue(value.toDateTime().toString());
data.setHasChildren(false);
break;
/*} else if (ob.isError()) {
data.setType(QLatin1String("Error"), false);
data.setValue(QString(QLatin1Char(' ')));
} else if (ob.isFunction()) {
data.setType(QLatin1String("Function"), false);
data.setValue(QString(QLatin1Char(' ')));*/
case QVariant::Invalid:{
const QString nullValue = QLatin1String("<null>");
data.setType(nullValue, false);
data.setValue(nullValue);
break;}
case QVariant::UInt:
case QVariant::Int:
case QVariant::Double:
//FIXME FLOAT
data.setType(QLatin1String("Number"), false);
data.setValue(QString::number(value.toDouble()));
data.setHasChildren(false);
break;
/* } else if (ob.isObject()) {
data.setType(QLatin1String("Object"), false);
data.setValue(QString(QLatin1Char(' ')));
} else if (ob.isQMetaObject()) {
data.setType(QLatin1String("QMetaObject"), false);
data.setValue(QString(QLatin1Char(' ')));
} else if (ob.isQObject()) {
data.setType(QLatin1String("QObject"), false);
data.setValue(QString(QLatin1Char(' ')));
} else if (ob.isRegExp()) {
data.setType(QLatin1String("RegExp"), false);
data.setValue(ob.toRegExp().pattern());
} else if (ob.isString()) {*/
case QVariant::String:
data.setType(QLatin1String("String"), false);
data.setValue(value.toString());
/* } else if (ob.isVariant()) {
data.setType(QLatin1String("Variant"), false);
data.setValue(QString(QLatin1Char(' ')));
} else if (ob.isUndefined()) {
data.setType(QLatin1String("<undefined>"), false);
data.setValue(QLatin1String("<unknown>"));
data.setHasChildren(false);
} else {*/
default:{
const QString unknown = QLatin1String("<unknown>");
data.setType(unknown, false);
data.setValue(unknown);
data.setHasChildren(false);
}
}
}
void QmlEngine::messageReceived(const QByteArray &message)
{
QByteArray rwData = message;
QDataStream stream(&rwData, QIODevice::ReadOnly);
QByteArray command;
stream >> command;
if(command == "STOPPED") {
QList<QPair<QString, QPair<QString, qint32> > > backtrace;
QList<QPair<QString, QVariant> > watches;
stream >> backtrace >> watches;
QList<StackFrame> stackFrames;
typedef QPair<QString, QPair<QString, qint32> > Iterator;
foreach (const Iterator &it, backtrace) {
StackFrame frame;
frame.file = it.second.first;
frame.line = it.second.second;
frame.function = it.first;
stackFrames << frame;
}
gotoLocation(stackFrames.value(0), true);
stackHandler()->setFrames(stackFrames);
watchHandler()->beginCycle();
typedef QPair<QString, QVariant > Iterator2;
foreach (const Iterator2 &it, watches) {
WatchData data;
data.name = it.first;
data.exp = it.first.toUtf8();
data.iname = watchHandler()->watcherName(data.exp);
updateWatchDataFromVariant(it.second, data);
watchHandler()->insertData(data);
}
watchHandler()->endCycle();
setState(InferiorStopping);
setState(InferiorStopped);
} else if (command == "RESULT") {
WatchData data;
QVariant variant;
stream >> data.iname >> data.name >> variant;
data.exp = data.name.toUtf8();
updateWatchDataFromVariant(variant, data);
qDebug() << Q_FUNC_INFO << this << data.name << data.iname << variant;
watchHandler()->insertData(data);
} else {
qDebug() << Q_FUNC_INFO << "Unknown command: " << command;
}
}
QString QmlEngine::errorMessage(QProcess::ProcessError error)
{
switch (error) {
case QProcess::FailedToStart:
return tr("The Gdb process failed to start. Either the "
"invoked program is missing, or you may have insufficient "
"permissions to invoke the program.");
case QProcess::Crashed:
return tr("The Gdb 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 Gdb 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 Gdb process. For example, the process may not be running.");
default:
return tr("An unknown error in the Gdb process occurred. ");
}
}
void QmlEngine::handleProcError(QProcess::ProcessError error)
{
showMessage(_("HANDLE QML ERROR"));
switch (error) {
case QProcess::Crashed:
break; // will get a processExited() as well
// impossible case QProcess::FailedToStart:
case QProcess::ReadError:
case QProcess::WriteError:
case QProcess::Timedout:
default:
m_proc.kill();
setState(EngineShuttingDown, true);
plugin()->showMessageBox(QMessageBox::Critical, tr("Gdb I/O Error"),
errorMessage(error));
break;
}
}
void QmlEngine::handleProcFinished(int code, QProcess::ExitStatus type)
{
showMessage(_("QML VIEWER PROCESS FINISHED, status %1, code %2").arg(type).arg(code));
setState(DebuggerNotReady, true);
}
void QmlEngine::readProcStandardError()
{
qDebug() << "STD ERR" << m_proc.readAllStandardError();
if (!m_conn)
setupConnection();
}
void QmlEngine::readProcStandardOutput()
{
qDebug() << "STD ERR" << m_proc.readAllStandardOutput();
}
void QmlEngine::connectionStateChanged()
{
QTC_ASSERT(m_conn, return);
QAbstractSocket::SocketState state = m_conn->state();
qDebug() << "CONNECTION STATE: " << state;
switch (state) {
case QAbstractSocket::UnconnectedState:
{
showStatusMessage(tr("[QmlEngine] disconnected.\n\n"));
delete m_engineQuery;
m_engineQuery = 0;
delete m_contextQuery;
m_contextQuery = 0;
// resetViews();
// updateMenuActions();
break;
}
case QAbstractSocket::HostLookupState:
showStatusMessage(tr("[QmlEngine] resolving host..."));
break;
case QAbstractSocket::ConnectingState:
showStatusMessage(tr("[QmlEngine] connecting to debug server..."));
break;
case QAbstractSocket::ConnectedState:
showStatusMessage(tr("[QmlEngine] connected.\n"));
//setupConnection()
break;
case QAbstractSocket::ClosingState:
showStatusMessage(tr("[QmlEngine] closing..."));
break;
case QAbstractSocket::BoundState:
showStatusMessage(tr("[QmlEngine] bound state"));
break;
case QAbstractSocket::ListeningState:
showStatusMessage(tr("[QmlEngine] listening state"));
break;
default:
showStatusMessage(tr("[QmlEngine] unknown state: %1").arg(state));
break;
}
}
void QmlEngine::connectionError()
{
QTC_ASSERT(m_conn, return);
showStatusMessage(tr("[QmlEngine] error: (%1) %2", "%1=error code, %2=error message")
.arg(m_conn->error()).arg(m_conn->errorString()));
}
void QmlEngine::connectionConnected()
{
QTC_ASSERT(m_conn, return);
showStatusMessage(tr("[QmlEngine] error: (%1) %2", "%1=error code, %2=error message")
.arg(m_conn->error()).arg(m_conn->errorString()));
}
} // namespace Internal
} // namespace Debugger
#include "qmlengine.moc"
View Git Blame Copy Permalink