Files
qt-creator/src/plugins/debugger/qml/qmlengine.cpp
hjk 7195c6b5ad debugger: re-do state transitions in combined C++/Qml engine
This still needs a lot of work and sanitizing.
2011-01-14 14:28:36 +01:00

950 lines
28 KiB
C++

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "qmlengine.h"
#include "qmladapter.h"
#include "debuggerstartparameters.h"
#include "debuggeractions.h"
#include "debuggerconstants.h"
#include "debuggercore.h"
#include "debuggerdialogs.h"
#include "debuggermainwindow.h"
#include "debuggerrunner.h"
#include "debuggerstringutils.h"
#include "debuggertooltip.h"
#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "stackhandler.h"
#include "watchhandler.h"
#include "watchutils.h"
#include <extensionsystem/pluginmanager.h>
#include <projectexplorer/applicationlauncher.h>
#include <utils/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 <QtGui/QTextDocument>
#include <QtNetwork/QTcpSocket>
#include <QtNetwork/QHostAddress>
#define DEBUG_QML 1
#if DEBUG_QML
# define SDEBUG(s) qDebug() << s
#else
# define SDEBUG(s)
#endif
# define XSDEBUG(s) qDebug() << s
using namespace ProjectExplorer;
enum {
MaxConnectionAttempts = 50,
ConnectionAttemptDefaultInterval = 200
};
namespace Debugger {
namespace Internal {
struct JSAgentBreakpointData
{
QByteArray functionName;
QByteArray fileName;
qint32 lineNumber;
};
uint qHash(const JSAgentBreakpointData &b)
{
return b.lineNumber ^ qHash(b.fileName);
}
QDataStream &operator<<(QDataStream &s, const JSAgentBreakpointData &data)
{
return s << data.functionName << data.fileName << data.lineNumber;
}
QDataStream &operator>>(QDataStream &s, JSAgentBreakpointData &data)
{
return s >> data.functionName >> data.fileName >> data.lineNumber;
}
bool operator==(const JSAgentBreakpointData &b1, const JSAgentBreakpointData &b2)
{
return b1.lineNumber == b2.lineNumber && b1.fileName == b2.fileName;
}
typedef QSet<JSAgentBreakpointData> JSAgentBreakpoints;
static QDataStream &operator>>(QDataStream &s, WatchData &data)
{
data = WatchData();
QByteArray name;
QByteArray value;
QByteArray type;
bool hasChildren = false;
s >> data.exp >> name >> value >> type >> hasChildren >> data.id;
data.name = QString::fromUtf8(name);
data.setType(type, false);
data.setValue(QString::fromUtf8(value));
data.setHasChildren(hasChildren);
data.setAllUnneeded();
return s;
}
static QDataStream &operator>>(QDataStream &s, StackFrame &frame)
{
frame = StackFrame();
QByteArray function;
QByteArray file;
s >> function >> file >> frame.line;
frame.function = QString::fromUtf8(function);
frame.file = QString::fromUtf8(file);
frame.usable = QFileInfo(frame.file).isReadable();
return s;
}
class QmlEnginePrivate
{
public:
explicit QmlEnginePrivate(QmlEngine *q);
private:
friend class QmlEngine;
int m_ping;
QmlAdapter m_adapter;
ApplicationLauncher m_applicationLauncher;
};
QmlEnginePrivate::QmlEnginePrivate(QmlEngine *q)
: m_ping(0), m_adapter(q)
{}
///////////////////////////////////////////////////////////////////////
//
// QmlEngine
//
///////////////////////////////////////////////////////////////////////
QmlEngine::QmlEngine(const DebuggerStartParameters &startParameters,
DebuggerEngine *masterEngine)
: DebuggerEngine(startParameters, masterEngine),
d(new QmlEnginePrivate(this))
{
setObjectName(QLatin1String("QmlEngine"));
}
QmlEngine::~QmlEngine()
{}
void QmlEngine::gotoLocation(const Location &loc0)
{
Location loc = loc0;
if (isShadowBuildProject())
loc.setFileName(fromShadowBuildFilename(loc0.fileName()));
DebuggerEngine::gotoLocation(loc);
}
void QmlEngine::setupInferior()
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
if (startParameters().startMode == AttachToRemote) {
requestRemoteSetup();
} else {
connect(&d->m_applicationLauncher,
SIGNAL(processExited(int)),
SLOT(disconnected()));
connect(&d->m_applicationLauncher,
SIGNAL(appendMessage(QString,ProjectExplorer::OutputFormat)),
SLOT(appendMessage(QString,ProjectExplorer::OutputFormat)));
connect(&d->m_applicationLauncher,
SIGNAL(bringToForegroundRequested(qint64)),
runControl(),
SLOT(bringApplicationToForeground(qint64)));
d->m_applicationLauncher.setEnvironment(startParameters().environment);
d->m_applicationLauncher.setWorkingDirectory(startParameters().workingDirectory);
notifyInferiorSetupOk();
}
}
void QmlEngine::appendMessage(const QString &msg, OutputFormat /* format */)
{
showMessage(msg, AppStuff); // FIXME: Redirect to RunControl
}
void QmlEngine::connectionEstablished()
{
attemptBreakpointSynchronization();
ExtensionSystem::PluginManager *pluginManager =
ExtensionSystem::PluginManager::instance();
pluginManager->addObject(&d->m_adapter);
pluginManager->addObject(this);
showMessage(tr("QML Debugger connected."), StatusBar);
notifyEngineRunAndInferiorRunOk();
}
void QmlEngine::connectionStartupFailed()
{
QMessageBox::critical(0, tr("Failed to connect to debugger"),
tr("Could not connect to QML debugger server at %1:%2.")
.arg(startParameters().qmlServerAddress)
.arg(startParameters().qmlServerPort));
notifyEngineRunFailed();
}
void QmlEngine::connectionError(QAbstractSocket::SocketError socketError)
{
if (socketError == QAbstractSocket::RemoteHostClosedError)
showMessage(tr("QML Debugger: Remote host closed connection."), StatusBar);
}
void QmlEngine::serviceConnectionError(const QString &serviceName)
{
showMessage(tr("QML Debugger: Could not connect to service '%1'.")
.arg(serviceName), StatusBar);
}
void QmlEngine::pauseConnection()
{
d->m_adapter.pauseConnection();
}
void QmlEngine::closeConnection()
{
ExtensionSystem::PluginManager *pluginManager =
ExtensionSystem::PluginManager::instance();
if (pluginManager->allObjects().contains(this)) {
disconnect(&d->m_adapter, SIGNAL(connectionStartupFailed()),
this, SLOT(connectionStartupFailed()));
d->m_adapter.closeConnection();
pluginManager->removeObject(&d->m_adapter);
pluginManager->removeObject(this);
}
}
void QmlEngine::runEngine()
{
QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
if (!isSlaveEngine())
startApplicationLauncher();
d->m_adapter.beginConnection();
}
void QmlEngine::startApplicationLauncher()
{
if (!d->m_applicationLauncher.isRunning()) {
d->m_applicationLauncher.start(ApplicationLauncher::Gui,
startParameters().executable,
startParameters().processArgs);
}
}
void QmlEngine::stopApplicationLauncher()
{
if (d->m_applicationLauncher.isRunning()) {
disconnect(&d->m_applicationLauncher, SIGNAL(processExited(int)), this, SLOT(disconnected()));
d->m_applicationLauncher.stop();
}
}
void QmlEngine::handleRemoteSetupDone(int port)
{
if (port != -1)
startParameters().qmlServerPort = port;
notifyInferiorSetupOk();
}
void QmlEngine::handleRemoteSetupFailed(const QString &message)
{
QMessageBox::critical(0,tr("Failed to start application"),
tr("Application startup failed: %1").arg(message));
notifyInferiorSetupFailed();
}
void QmlEngine::shutdownInferior()
{
if (isSlaveEngine()) {
resetLocation();
}
stopApplicationLauncher();
notifyInferiorShutdownOk();
}
void QmlEngine::shutdownEngine()
{
closeConnection();
// double check (ill engine?):
stopApplicationLauncher();
notifyEngineShutdownOk();
if (!isSlaveEngine())
showMessage(QString(), StatusBar);
}
void QmlEngine::setupEngine()
{
d->m_adapter.setMaxConnectionAttempts(MaxConnectionAttempts);
d->m_adapter.setConnectionAttemptInterval(ConnectionAttemptDefaultInterval);
connect(&d->m_adapter, SIGNAL(connectionError(QAbstractSocket::SocketError)),
SLOT(connectionError(QAbstractSocket::SocketError)));
connect(&d->m_adapter, SIGNAL(serviceConnectionError(QString)),
SLOT(serviceConnectionError(QString)));
connect(&d->m_adapter, SIGNAL(connected()),
SLOT(connectionEstablished()));
connect(&d->m_adapter, SIGNAL(connectionStartupFailed()),
SLOT(connectionStartupFailed()));
notifyEngineSetupOk();
}
void QmlEngine::continueInferior()
{
QTC_ASSERT(state() == InferiorStopOk, qDebug() << state());
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "CONTINUE";
rs << cmd;
logMessage(LogSend, cmd);
sendMessage(reply);
resetLocation();
notifyInferiorRunRequested();
notifyInferiorRunOk();
}
void QmlEngine::interruptInferior()
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "INTERRUPT";
rs << cmd;
logMessage(LogSend, cmd);
sendMessage(reply);
notifyInferiorStopOk();
}
void QmlEngine::executeStep()
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "STEPINTO";
rs << cmd;
logMessage(LogSend, cmd);
sendMessage(reply);
notifyInferiorRunRequested();
notifyInferiorRunOk();
}
void QmlEngine::executeStepI()
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "STEPINTO";
rs << cmd;
logMessage(LogSend, cmd);
sendMessage(reply);
notifyInferiorRunRequested();
notifyInferiorRunOk();
}
void QmlEngine::executeStepOut()
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "STEPOUT";
rs << cmd;
logMessage(LogSend, cmd);
sendMessage(reply);
notifyInferiorRunRequested();
notifyInferiorRunOk();
}
void QmlEngine::executeNext()
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "STEPOVER";
rs << cmd;
logMessage(LogSend, cmd);
sendMessage(reply);
notifyInferiorRunRequested();
notifyInferiorRunOk();
}
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)
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "ACTIVATE_FRAME";
rs << cmd
<< index;
logMessage(LogSend, QString("%1 %2").arg(QString(cmd), QString::number(index)));
sendMessage(reply);
gotoLocation(stackHandler()->frames().value(index));
}
void QmlEngine::selectThread(int index)
{
Q_UNUSED(index)
}
void QmlEngine::attemptBreakpointSynchronization()
{
BreakHandler *handler = breakHandler();
foreach (BreakpointId id, handler->unclaimedBreakpointIds()) {
// Take ownership of the breakpoint. Requests insertion.
if (acceptsBreakpoint(id))
handler->setEngine(id, this);
}
JSAgentBreakpoints breakpoints;
foreach (BreakpointId id, handler->engineBreakpointIds(this)) {
if (handler->state(id) == BreakpointRemoveRequested) {
handler->notifyBreakpointRemoveProceeding(id);
handler->notifyBreakpointRemoveOk(id);
} else {
if (handler->state(id) == BreakpointInsertRequested) {
handler->notifyBreakpointInsertProceeding(id);
}
QString processedFilename = handler->fileName(id);
#ifdef Q_OS_MACX
// Qt Quick Applications by default copy the qml directory
// to buildDir()/X.app/Contents/Resources
const QString applicationBundleDir
= QFileInfo(startParameters().executable).absolutePath() + "/../..";
processedFilename = mangleFilenamePaths(handler->fileName(id), startParameters().projectDir, applicationBundleDir + "/Contents/Resources");
#endif
if (isShadowBuildProject())
processedFilename = toShadowBuildFilename(processedFilename);
JSAgentBreakpointData bp;
bp.fileName = processedFilename.toUtf8();
bp.lineNumber = handler->lineNumber(id);
bp.functionName = handler->functionName(id).toUtf8();
breakpoints.insert(bp);
if (handler->state(id) == BreakpointInsertProceeding) {
handler->notifyBreakpointInsertOk(id);
}
}
}
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "BREAKPOINTS";
rs << cmd
<< breakpoints;
QStringList breakPointsStr;
foreach (const JSAgentBreakpointData &bp, breakpoints) {
breakPointsStr << QString("('%1' '%2' %3)").arg(QString(bp.functionName),
QString(bp.fileName), QString::number(bp.lineNumber));
}
logMessage(LogSend, QString("%1 [%2]").arg(QString(cmd), breakPointsStr.join(", ")));
sendMessage(reply);
}
bool QmlEngine::acceptsBreakpoint(BreakpointId id) const
{
return !DebuggerEngine::isCppBreakpoint(breakHandler()->breakpointData(id));
}
void QmlEngine::loadSymbols(const QString &moduleName)
{
Q_UNUSED(moduleName)
}
void QmlEngine::loadAllSymbols()
{
}
void QmlEngine::reloadModules()
{
}
void QmlEngine::requestModuleSymbols(const QString &moduleName)
{
Q_UNUSED(moduleName)
}
//////////////////////////////////////////////////////////////////////
//
// Tooltip specific stuff
//
//////////////////////////////////////////////////////////////////////
void QmlEngine::setToolTipExpression(const QPoint &mousePos,
TextEditor::ITextEditor *editor, int cursorPos)
{
// This is processed by QML inspector, which has dependencies to
// the qml js editor. Makes life easier.
emit tooltipRequested(mousePos, editor, cursorPos);
}
//////////////////////////////////////////////////////////////////////
//
// Watch specific stuff
//
//////////////////////////////////////////////////////////////////////
void QmlEngine::assignValueInDebugger(const WatchData *,
const QString &expression, const QVariant &valueV)
{
QRegExp inObject("@([0-9a-fA-F]+)->(.+)");
if (inObject.exactMatch(expression)) {
bool ok = false;
quint64 objectId = inObject.cap(1).toULongLong(&ok, 16);
QString property = inObject.cap(2);
if (ok && objectId > 0 && !property.isEmpty()) {
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "SET_PROPERTY";
rs << cmd;
rs << expression.toUtf8() << objectId << property << valueV.toString();
logMessage(LogSend, QString("%1 %2 %3 %4 %5").arg(
QString(cmd), QString::number(objectId), QString(property),
valueV.toString()));
sendMessage(reply);
}
}
}
void QmlEngine::updateWatchData(const WatchData &data,
const WatchUpdateFlags &)
{
// qDebug() << "UPDATE WATCH DATA" << data.toString();
//watchHandler()->rebuildModel();
showStatusMessage(tr("Stopped."), 5000);
if (!data.name.isEmpty() && data.isValueNeeded()) {
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "EXEC";
rs << cmd;
rs << data.iname << data.name;
logMessage(LogSend, QString("%1 %2 %3").arg(QString(cmd), QString(data.iname),
QString(data.name)));
sendMessage(reply);
}
if (!data.name.isEmpty() && data.isChildrenNeeded()
&& watchHandler()->isExpandedIName(data.iname))
expandObject(data.iname, data.id);
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "WATCH_EXPRESSIONS";
rs << cmd;
rs << watchHandler()->watchedExpressions();
logMessage(LogSend, QString("%1 %2").arg(
QString(cmd), watchHandler()->watchedExpressions().join(", ")));
sendMessage(reply);
}
if (!data.isSomethingNeeded())
watchHandler()->insertData(data);
}
void QmlEngine::expandObject(const QByteArray &iname, quint64 objectId)
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "EXPAND";
rs << cmd;
rs << iname << objectId;
logMessage(LogSend, QString("%1 %2 %3").arg(QString(cmd), QString(iname),
QString::number(objectId)));
sendMessage(reply);
}
void QmlEngine::sendPing()
{
d->m_ping++;
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "PING";
rs << cmd;
rs << d->m_ping;
logMessage(LogSend, QString("%1 %2").arg(QString(cmd), QString::number(d->m_ping)));
sendMessage(reply);
}
unsigned QmlEngine::debuggerCapabilities() const
{
return AddWatcherCapability;
/*ReverseSteppingCapability | SnapshotCapability
| AutoDerefPointersCapability | DisassemblerCapability
| RegisterCapability | ShowMemoryCapability
| JumpToLineCapability | ReloadModuleCapability
| ReloadModuleSymbolsCapability | BreakOnThrowAndCatchCapability
| ReturnFromFunctionCapability
| CreateFullBacktraceCapability
| WatchpointCapability
| AddWatcherCapability;*/
}
void QmlEngine::messageReceived(const QByteArray &message)
{
QByteArray rwData = message;
QDataStream stream(&rwData, QIODevice::ReadOnly);
QByteArray command;
stream >> command;
if (command == "STOPPED") {
qDebug() << command << this << state();
if (state() == InferiorRunOk || state() == EngineRunOk)
notifyInferiorSpontaneousStop();
QString logString = QString(command);
StackFrames stackFrames;
QList<WatchData> watches;
QList<WatchData> locals;
stream >> stackFrames >> watches >> locals;
logString += QLatin1String(" (") + QString::number(stackFrames.size()) + QLatin1String(" stack frames)");
logString += QLatin1String(" (") + QString::number(watches.size()) + QLatin1String(" watches)");
logString += QLatin1String(" (") + QString::number(locals.size()) + QLatin1String(" locals)");
for (int i = 0; i != stackFrames.size(); ++i)
stackFrames[i].level = i + 1;
gotoLocation(stackFrames.value(0));
stackHandler()->setFrames(stackFrames);
watchHandler()->beginCycle();
bool needPing = false;
foreach (WatchData data, watches) {
data.iname = watchHandler()->watcherName(data.exp);
watchHandler()->insertData(data);
if (watchHandler()->expandedINames().contains(data.iname)) {
needPing = true;
expandObject(data.iname, data.id);
}
}
foreach (WatchData data, locals) {
data.iname = "local." + data.exp;
watchHandler()->insertData(data);
if (watchHandler()->expandedINames().contains(data.iname)) {
needPing = true;
expandObject(data.iname, data.id);
}
}
if (needPing)
sendPing();
else
watchHandler()->endCycle();
bool becauseOfException;
stream >> becauseOfException;
logString += becauseOfException ? " exception" : " no_exception";
if (becauseOfException) {
QString error;
stream >> error;
logString += QLatin1String(" ") + error;
logMessage(LogReceive, logString);
QString msg =
tr("<p>An Uncaught Exception occured in <i>%1</i>:</p><p>%2</p>")
.arg(stackFrames.value(0).file, Qt::escape(error));
showMessageBox(QMessageBox::Information, tr("Uncaught Exception"), msg);
} else {
//
// Make breakpoint non-pending
//
QString file;
QString function;
int line = -1;
if (!stackFrames.isEmpty()) {
file = stackFrames.at(0).file;
line = stackFrames.at(0).line;
function = stackFrames.at(0).function;
if (isShadowBuildProject()) {
file = fromShadowBuildFilename(file);
}
}
BreakHandler *handler = breakHandler();
foreach (BreakpointId id, handler->engineBreakpointIds(this)) {
QString processedFilename = handler->fileName(id);
if (processedFilename == file && handler->lineNumber(id) == line) {
QTC_ASSERT(handler->state(id) == BreakpointInserted,/**/);
BreakpointResponse br = handler->response(id);
br.fileName = file;
br.lineNumber = line;
br.functionName = function;
handler->setResponse(id, br);
}
}
logMessage(LogReceive, logString);
}
} else if (command == "RESULT") {
WatchData data;
QByteArray iname;
stream >> iname >> data;
logMessage(LogReceive, QString("%1 %2 %3").arg(QString(command),
QString(iname), QString(data.value)));
data.iname = iname;
if (iname.startsWith("watch.")) {
watchHandler()->insertData(data);
} else if(iname == "console") {
showMessage(data.value, ScriptConsoleOutput);
} else {
qWarning() << "QmlEngine: Unexcpected result: " << iname << data.value;
}
} else if (command == "EXPANDED") {
QList<WatchData> result;
QByteArray iname;
stream >> iname >> result;
logMessage(LogReceive, QString("%1 %2 (%3 x watchdata)").arg(
QString(command), QString(iname), QString::number(result.size())));
bool needPing = false;
foreach (WatchData data, result) {
data.iname = iname + '.' + data.exp;
watchHandler()->insertData(data);
if (watchHandler()->expandedINames().contains(data.iname)) {
needPing = true;
expandObject(data.iname, data.id);
}
}
if (needPing)
sendPing();
} else if (command == "LOCALS") {
QList<WatchData> locals;
int frameId;
stream >> frameId >> locals;
logMessage(LogReceive, QString("%1 %2 (%3 x locals)").arg(
QString(command), QString::number(frameId),
QString::number(locals.size())));
watchHandler()->beginCycle();
bool needPing = false;
foreach (WatchData data, locals) {
data.iname = "local." + data.exp;
watchHandler()->insertData(data);
if (watchHandler()->expandedINames().contains(data.iname)) {
needPing = true;
expandObject(data.iname, data.id);
}
}
if (needPing)
sendPing();
else
watchHandler()->endCycle();
} else if (command == "PONG") {
int ping;
stream >> ping;
logMessage(LogReceive, QString("%1 %2").arg(QString(command), QString::number(ping)));
if (ping == d->m_ping)
watchHandler()->endCycle();
} else {
qDebug() << Q_FUNC_INFO << "Unknown command: " << command;
logMessage(LogReceive, QString("%1 UNKNOWN COMMAND!!").arg(QString(command)));
}
}
void QmlEngine::disconnected()
{
showMessage(tr("QML Debugger disconnected."), StatusBar);
notifyInferiorExited();
}
void QmlEngine::executeDebuggerCommand(const QString& command)
{
QByteArray reply;
QDataStream rs(&reply, QIODevice::WriteOnly);
QByteArray cmd = "EXEC";
QByteArray console = "console";
rs << cmd << console << command;
logMessage(LogSend, QString("%1 %2 %3").arg(QString(cmd), QString(console),
QString(command)));
sendMessage(reply);
}
bool QmlEngine::isShadowBuildProject() const
{
return !startParameters().projectBuildDir.isEmpty()
&& startParameters().projectDir != startParameters().projectBuildDir;
}
QString QmlEngine::qmlImportPath() const
{
return startParameters().environment.value("QML_IMPORT_PATH");
}
QString QmlEngine::toShadowBuildFilename(const QString &filename) const
{
QString newFilename = filename;
QString importPath = qmlImportPath();
newFilename = mangleFilenamePaths(filename, startParameters().projectDir, startParameters().projectBuildDir);
if (newFilename == filename && !importPath.isEmpty()) {
newFilename = mangleFilenamePaths(filename, startParameters().projectDir, importPath);
}
return newFilename;
}
QString QmlEngine::mangleFilenamePaths(const QString &filename,
const QString &oldBasePath, const QString &newBasePath) const
{
QDir oldBaseDir(oldBasePath);
QDir newBaseDir(newBasePath);
QFileInfo fileInfo(filename);
if (oldBaseDir.exists() && newBaseDir.exists() && fileInfo.exists()) {
if (fileInfo.absoluteFilePath().startsWith(oldBaseDir.canonicalPath())) {
QString fileRelativePath = fileInfo.canonicalFilePath().mid(oldBaseDir.canonicalPath().length());
QFileInfo projectFile(newBaseDir.canonicalPath() + QLatin1Char('/') + fileRelativePath);
if (projectFile.exists())
return projectFile.canonicalFilePath();
}
}
return filename;
}
QString QmlEngine::fromShadowBuildFilename(const QString &filename) const
{
QString newFilename = filename;
QString importPath = qmlImportPath();
#ifdef Q_OS_MACX
// Qt Quick Applications by default copy the qml directory
// to buildDir()/X.app/Contents/Resources.
const QString applicationBundleDir
= QFileInfo(startParameters().executable).absolutePath() + "/../..";
newFilename = mangleFilenamePaths(newFilename, applicationBundleDir + "/Contents/Resources", startParameters().projectDir);
#endif
newFilename = mangleFilenamePaths(newFilename, startParameters().projectBuildDir, startParameters().projectDir);
if (newFilename == filename && !importPath.isEmpty()) {
newFilename = mangleFilenamePaths(filename, startParameters().projectBuildDir, importPath);
}
return newFilename;
}
void QmlEngine::logMessage(LogDirection direction, const QString &message)
{
QString msg = "JSDebugger";
if (direction == LogSend) {
msg += " sending ";
} else {
msg += " receiving ";
}
msg += message;
showMessage(msg, LogDebug);
}
DebuggerEngine *createQmlEngine(const DebuggerStartParameters &sp,
DebuggerEngine *masterEngine)
{
return new QmlEngine(sp, masterEngine);
}
} // namespace Internal
} // namespace Debugger