#include <qjsdebugservice_p.h>

Inheritance diagram for QJSDebugService:

Public Functions
void	addEngine (QDeclarativeEngine *)

void	processMessage (const JSAgentCoverageData &message)

	QJSDebugService (QObject *parent=0)

void	removeEngine (QDeclarativeEngine *)

	~QJSDebugService ()

Public Functions inherited from QDeclarativeDebugService
QString	name () const

	QDeclarativeDebugService (const QString &, QObject *parent=0)

void	sendMessage (const QByteArray &)

Status	status () const

bool	waitForMessage ()

	~QDeclarativeDebugService ()

Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...

const QObjectList &	children () const
	Returns a list of child objects. More...

bool	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=0, const QObject receiver=0, const char *member=0)

bool	disconnect (const QObject receiver, const char member=0)

void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...

void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...

QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...

virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...

virtual bool	eventFilter (QObject , QEvent )
	Filters events if this object has been installed as an event filter for the watched object. More...

template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...

template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...

template<typename T >
QList< T >	findChildren (const QRegExp &re) const

bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...

void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...

bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...

void	killTimer (int id)
	Kills the timer with timer identifier, id. More...

virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...

void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...

QString	objectName () const

QObject *	parent () const
	Returns a pointer to the parent object. More...

QVariant	property (const char *name) const
	Returns the value of the object's name property. More...

Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...

void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...

void	setObjectName (const QString &name)

void	setParent (QObject *)
	Makes the object a child of parent. More...

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...

void	setUserData (uint id, QObjectUserData *data)

bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...

int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...

QThread *	thread () const
	Returns the thread in which the object lives. More...

QObjectUserData *	userData (uint id) const

virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Static Public Functions
static QJSDebugService *	instance ()

Static Public Functions inherited from QDeclarativeDebugService
static bool	hasDebuggingClient ()

static int	idForObject (QObject *)
	Returns a unique id for object. More...

static bool	isDebuggingEnabled ()

static QObject *	objectForId (int)
	Returns the object for unique id. More...

static QString	objectToString (QObject *obj)

Static Public Functions inherited from QObject
static bool	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...

static bool	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	Disconnects signal in object sender from method in object receiver. More...

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static uint	registerUserData ()

static QString	tr (const char sourceText, const char comment=0, int n=-1)

static QString	trUtf8 (const char sourceText, const char comment=0, int n=-1)

Public Variables
QElapsedTimer	m_timer

Protected Functions
void	messageReceived (const QByteArray &)

void	statusChanged (Status status)

Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...

virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...

virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...

virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...

	QObject (QObjectPrivate &dd, QObject *parent=0)

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...

QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...

Private Slots
void	executionStopped (bool becauseOfException, const QString &exception)

Private Functions
void	sendMessages ()

Properties
QPointer< QJSDebuggerAgent >	m_agent

QList< JSAgentCoverageData >	m_data

bool	m_deferredSend

QList< QDeclarativeEngine * >	m_engines

Additional Inherited Members
Public Types inherited from QDeclarativeDebugService
enum	Status { NotConnected, Unavailable, Enabled }

Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...

Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...

Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...

Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject

Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()

T *	qobject_cast (QObject *object)

	QObjectList

void *	qt_find_obj_child (QObject parent, const char type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 87 of file qjsdebugservice_p.h.

Constructors and Destructors

◆ QJSDebugService()

QJSDebugService::QJSDebugService ( QObject * parent = 0 )

Definition at line 63 of file qjsdebugservice.cpp.

     : QDeclarativeDebugService(QLatin1String("JSDebugger"), parent)
     , m_agent(0), m_deferredSend(true)
 {
     m_timer.start();
 }

◆ ~QJSDebugService()

QJSDebugService::~QJSDebugService ( )

Definition at line 70 of file qjsdebugservice.cpp.

 {
     delete m_agent;
 }

Functions

◆ addEngine()

void QJSDebugService::addEngine ( QDeclarativeEngine * engine )

Definition at line 80 of file qjsdebugservice.cpp.

Referenced by QDeclarativeEnginePrivate::init().

 {
     Q_ASSERT(engine);
     Q_ASSERT(!m_engines.contains(engine));
 
     m_engines.append(engine);
 
     if (status() == Enabled && !m_engines.isEmpty() && !m_agent) {
         m_agent = new QJSDebuggerAgent(engine, engine);
         connect(m_agent, SIGNAL(stopped(bool,QString)),
                 this, SLOT(executionStopped(bool,QString)));
 
         while (!m_agent->isInitialized()) {
             waitForMessage();
         }
     }
 }

◆ executionStopped

void QJSDebugService::executionStopped	(	bool	becauseOfException,
		const QString &	exception
	)

privateslot

Definition at line 215 of file qjsdebugservice.cpp.

Referenced by addEngine(), and statusChanged().

 {
     const QList<JSAgentStackData> backtrace = m_agent->backtrace();
     const QList<JSAgentWatchData> watches = m_agent->watches();
     const QList<JSAgentWatchData> locals = m_agent->locals();
 
     QByteArray reply;
     QDataStream rs(&reply, QIODevice::WriteOnly);
     rs << QByteArray("STOPPED") << backtrace << watches << locals
        << becauseOfException << exception;
     sendMessage(reply);
 }

◆ instance()

QJSDebugService * QJSDebugService::instance ( )

static

Definition at line 75 of file qjsdebugservice.cpp.

Referenced by QJSDebuggerAgent::functionEntry(), QJSDebuggerAgent::functionExit(), QDeclarativeEnginePrivate::init(), QJSDebuggerAgent::positionChange(), QJSDebuggerAgent::scriptLoad(), and QDeclarativeEngine::~QDeclarativeEngine().

 {
     return serviceInstance();
 }

◆ messageReceived()

void QJSDebugService::messageReceived ( const QByteArray & message )

protectedvirtual

Reimplemented from QDeclarativeDebugService.

Definition at line 122 of file qjsdebugservice.cpp.

 {
     if (!m_agent) {
         qWarning() << "QJSDebugService::messageReceived: No QJSDebuggerAgent available";
         return;
     }
 
     QDataStream ds(message);
     QByteArray command;
     ds >> command;
     if (command == "BREAKPOINTS") {
         JSAgentBreakpoints breakpoints;
         ds >> breakpoints;
         m_agent->setBreakpoints(breakpoints);
 
         //qDebug() << "BREAKPOINTS";
         //foreach (const JSAgentBreakpointData &bp, breakpoints)
         //    qDebug() << "BREAKPOINT: " << bp.fileUrl << bp.lineNumber;
     } else if (command == "WATCH_EXPRESSIONS") {
         QStringList watchExpressions;
         ds >> watchExpressions;
         m_agent->setWatchExpressions(watchExpressions);
     } else if (command == "STEPOVER") {
         m_agent->stepOver();
     } else if (command == "STEPINTO" || command == "INTERRUPT") {
         m_agent->stepInto();
     } else if (command == "STEPOUT") {
         m_agent->stepOut();
     } else if (command == "CONTINUE") {
         m_agent->continueExecution();
     } else if (command == "EXEC") {
         QByteArray id;
         QString expr;
         ds >> id >> expr;
 
         JSAgentWatchData data = m_agent->executeExpression(expr);
 
         QByteArray reply;
         QDataStream rs(&reply, QIODevice::WriteOnly);
         rs << QByteArray("RESULT") << id << data;
         sendMessage(reply);
     } else if (command == "EXPAND") {
         QByteArray requestId;
         quint64 objectId;
         ds >> requestId >> objectId;
 
         QList<JSAgentWatchData> result = m_agent->expandObjectById(objectId);
 
         QByteArray reply;
         QDataStream rs(&reply, QIODevice::WriteOnly);
         rs << QByteArray("EXPANDED") << requestId << result;
         sendMessage(reply);
     } else if (command == "ACTIVATE_FRAME") {
         int frameId;
         ds >> frameId;
 
         QList<JSAgentWatchData> locals = m_agent->localsAtFrame(frameId);
 
         QByteArray reply;
         QDataStream rs(&reply, QIODevice::WriteOnly);
         rs << QByteArray("LOCALS") << frameId << locals;
         sendMessage(reply);
     } else if (command == "SET_PROPERTY") {
         QByteArray id;
         qint64 objectId;
         QString property;
         QString value;
         ds >> id >> objectId >> property >> value;
 
         m_agent->setProperty(objectId, property, value);
 
         //TODO: feedback
     } else if (command == "PING") {
         int ping;
         ds >> ping;
         QByteArray reply;
         QDataStream rs(&reply, QIODevice::WriteOnly);
         rs << QByteArray("PONG") << ping;
         sendMessage(reply);
     } else if (command == "COVERAGE") {
         bool enabled;
         ds >> enabled;
         m_agent->setCoverageEnabled(enabled);
         if (!enabled) {
             sendMessages();
         }
     } else {
         qDebug() << Q_FUNC_INFO << "Unknown command" << command;
     }
 
     QDeclarativeDebugService::messageReceived(message);
 }

◆ processMessage()

void QJSDebugService::processMessage ( const JSAgentCoverageData & message )

Definition at line 233 of file qjsdebugservice.cpp.

Referenced by QJSDebuggerAgent::functionEntry(), QJSDebuggerAgent::functionExit(), QJSDebuggerAgent::positionChange(), and QJSDebuggerAgent::scriptLoad().

 {
     if (m_deferredSend)
         m_data.append(message);
     else
         sendMessage(message.toByteArray());
 }

◆ removeEngine()

void QJSDebugService::removeEngine ( QDeclarativeEngine * engine )

Definition at line 98 of file qjsdebugservice.cpp.

Referenced by QDeclarativeEngine::~QDeclarativeEngine().

 {
     Q_ASSERT(engine);
     Q_ASSERT(m_engines.contains(engine));
 
     m_engines.removeAll(engine);
 }

◆ sendMessages()

void QJSDebugService::sendMessages ( )

private

Definition at line 244 of file qjsdebugservice.cpp.

Referenced by messageReceived().

 {
     if (m_deferredSend) {
         //### this is a suboptimal way to send batched messages
         for (int i = 0; i < m_data.count(); ++i)
             sendMessage(m_data.at(i).toByteArray());
         m_data.clear();
 
         //indicate completion
         QByteArray data;
         QDataStream ds(&data, QIODevice::WriteOnly);
         ds << QByteArray("COVERAGE") << (qint64)-1 << (int)CoverageComplete;
         sendMessage(data);
     }
 }

◆ statusChanged()

void QJSDebugService::statusChanged ( Status status )

protectedvirtual

Reimplemented from QDeclarativeDebugService.

Definition at line 106 of file qjsdebugservice.cpp.

 {
     if (status == Enabled && !m_engines.isEmpty() && !m_agent) {
         // Multiple engines are currently unsupported
         QDeclarativeEngine *engine = m_engines.first();
         m_agent = new QJSDebuggerAgent(engine, engine);
 
         connect(m_agent, SIGNAL(stopped(bool,QString)),
                 this, SLOT(executionStopped(bool,QString)));
 
     } else if (status != Enabled && m_agent) {
         delete m_agent;
         m_agent = 0;
     }
 }

Properties

◆ m_agent

QPointer<QJSDebuggerAgent> QJSDebugService::m_agent

private

Definition at line 114 of file qjsdebugservice_p.h.

Referenced by addEngine(), executionStopped(), messageReceived(), statusChanged(), and ~QJSDebugService().

◆ m_data

QList<JSAgentCoverageData> QJSDebugService::m_data

private

Definition at line 116 of file qjsdebugservice_p.h.

Referenced by processMessage(), and sendMessages().

◆ m_deferredSend

bool QJSDebugService::m_deferredSend

private

Definition at line 115 of file qjsdebugservice_p.h.

Referenced by processMessage(), and sendMessages().

◆ m_engines

QList<QDeclarativeEngine *> QJSDebugService::m_engines

private

Definition at line 113 of file qjsdebugservice_p.h.

Referenced by addEngine(), removeEngine(), and statusChanged().

◆ m_timer

QElapsedTimer QJSDebugService::m_timer

Definition at line 101 of file qjsdebugservice_p.h.

Referenced by QJSDebuggerAgent::functionEntry(), QJSDebuggerAgent::functionExit(), QJSDebuggerAgent::positionChange(), QJSDebugService(), and QJSDebuggerAgent::scriptLoad().

The documentation for this class was generated from the following files:

/src/declarative/debugger/qjsdebugservice_p.h
/src/declarative/debugger/qjsdebugservice.cpp

Public Functions

Static Public Functions

Public Variables

Protected Functions

Private Slots

Private Functions

Properties

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QJSDebugService()

◆ ~QJSDebugService()

Functions

◆ addEngine()

◆ executionStopped

◆ instance()

◆ messageReceived()

◆ processMessage()

◆ removeEngine()

◆ sendMessages()

◆ statusChanged()

Properties

◆ m_agent

◆ m_data

◆ m_deferredSend

◆ m_engines

◆ m_timer