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Diffstat (limited to 'src/declarative/debugger/qv8debugservice.cpp')
| -rw-r--r-- | src/declarative/debugger/qv8debugservice.cpp | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/src/declarative/debugger/qv8debugservice.cpp b/src/declarative/debugger/qv8debugservice.cpp deleted file mode 100644 index 389c465420..0000000000 --- a/src/declarative/debugger/qv8debugservice.cpp +++ /dev/null @@ -1,294 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qv8debugservice_p.h" -#include "qdeclarativedebugservice_p_p.h" -#include <private/qjsconverter_impl_p.h> -#include <private/qv8engine_p.h> - -#include <QtCore/QHash> -#include <QtCore/QFileInfo> -#include <QtCore/QMutex> - -//V8 DEBUG SERVICE PROTOCOL -// <HEADER><COMMAND><DATA> -// <HEADER> : "V8DEBUG" -// <COMMAND> : ["connect", "disconnect", "interrupt", -// "v8request", "v8message", "breakonsignal", -// "breakaftercompile"] -// <DATA> : connect, disconnect, interrupt: empty -// v8request, v8message: <JSONrequest_string> -// breakonsignal: <signalname_string><enabled_bool> -// breakaftercompile: <enabled_bool> - -const char *V8_DEBUGGER_KEY_VERSION = "version"; -const char *V8_DEBUGGER_KEY_CONNECT = "connect"; -const char *V8_DEBUGGER_KEY_INTERRUPT = "interrupt"; -const char *V8_DEBUGGER_KEY_DISCONNECT = "disconnect"; -const char *V8_DEBUGGER_KEY_REQUEST = "v8request"; -const char *V8_DEBUGGER_KEY_V8MESSAGE = "v8message"; -const char *V8_DEBUGGER_KEY_BREAK_ON_SIGNAL = "breakonsignal"; -const char *V8_DEBUGGER_KEY_BREAK_AFTER_COMPILE = "breakaftercompile"; - -QT_BEGIN_NAMESPACE - -struct SignalHandlerData -{ - QString functionName; - bool enabled; -}; - -Q_GLOBAL_STATIC(QV8DebugService, v8ServiceInstance) - -// DebugMessageHandler will call back already when the QV8DebugService constructor is -// running, we therefore need a plain pointer. -static QV8DebugService *v8ServiceInstancePtr = 0; - -void DebugMessageDispatchHandler() -{ - QMetaObject::invokeMethod(v8ServiceInstancePtr, "processDebugMessages", Qt::QueuedConnection); -} - -void DebugMessageHandler(const v8::Debug::Message& message) -{ - v8::DebugEvent event = message.GetEvent(); - - if (event != v8::Break && event != v8::Exception && - event != v8::AfterCompile && event != v8::BeforeCompile) - return; - v8ServiceInstancePtr->debugMessageHandler(QJSConverter::toString(message.GetJSON()), event); -} - -class QV8DebugServicePrivate : public QDeclarativeDebugServicePrivate -{ -public: - QV8DebugServicePrivate() - : connectReceived(false) - , breakAfterCompile(false) - , engine(0) - { - } - - void initializeDebuggerThread(); - - static QByteArray packMessage(const QString &type, const QString &message = QString()); - - bool connectReceived; - bool breakAfterCompile; - QMutex initializeMutex; - QStringList breakOnSignals; - const QV8Engine *engine; -}; - -QV8DebugService::QV8DebugService(QObject *parent) - : QDeclarativeDebugService(*(new QV8DebugServicePrivate()), - QLatin1String("V8Debugger"), 2, parent) -{ - Q_D(QV8DebugService); - v8ServiceInstancePtr = this; - // wait for stateChanged() -> initialize() - d->initializeMutex.lock(); - if (registerService() == Enabled) { - init(); - // ,block mode, client attached - while (!d->connectReceived) { - waitForMessage(); - } - } else { - d->initializeMutex.unlock(); - } -} - -QV8DebugService::~QV8DebugService() -{ -} - -QV8DebugService *QV8DebugService::instance() -{ - return v8ServiceInstance(); -} - -void QV8DebugService::initialize(const QV8Engine *engine) -{ - // just make sure that the service is properly registered - v8ServiceInstance()->setEngine(engine); -} - -void QV8DebugService::setEngine(const QV8Engine *engine) -{ - Q_D(QV8DebugService); - - d->engine = engine; -} - -void QV8DebugService::debugMessageHandler(const QString &message, const v8::DebugEvent &event) -{ - Q_D(QV8DebugService); - sendMessage(QV8DebugServicePrivate::packMessage(QLatin1String(V8_DEBUGGER_KEY_V8MESSAGE), message)); - if (event == v8::AfterCompile && d->breakAfterCompile) - scheduledDebugBreak(true); -} - -void QV8DebugService::signalEmitted(const QString &signal) -{ - //This function is only called by QDeclarativeBoundSignal - //only if there is a slot connected to the signal. Hence, there - //is no need for additional check. - Q_D(QV8DebugService); - - //Parse just the name and remove the class info - //Normalize to Lower case. - QString signalName = signal.left(signal.indexOf(QLatin1String("("))).toLower(); - - foreach (const QString &signal, d->breakOnSignals) { - if (signal == signalName) { - scheduledDebugBreak(true); - break; - } - } -} - -// executed in the gui thread -void QV8DebugService::init() -{ - Q_D(QV8DebugService); - v8::Debug::SetMessageHandler2(DebugMessageHandler); - v8::Debug::SetDebugMessageDispatchHandler(DebugMessageDispatchHandler); - d->initializeMutex.unlock(); -} - -// executed in the gui thread -void QV8DebugService::scheduledDebugBreak(bool schedule) -{ - if (schedule) - v8::Debug::DebugBreak(); - else - v8::Debug::CancelDebugBreak(); -} - -// executed in the debugger thread -void QV8DebugService::stateChanged(QDeclarativeDebugService::State newState) -{ - Q_D(QV8DebugService); - if (newState == Enabled) { - // execute in GUI thread - d->initializeMutex.lock(); - QMetaObject::invokeMethod(this, "init", Qt::QueuedConnection); - } -} - -// executed in the debugger thread -void QV8DebugService::messageReceived(const QByteArray &message) -{ - Q_D(QV8DebugService); - - QDataStream ds(message); - QByteArray header; - ds >> header; - - if (header == "V8DEBUG") { - QByteArray command; - QByteArray data; - ds >> command >> data; - - if (command == V8_DEBUGGER_KEY_CONNECT) { - QMutexLocker locker(&d->initializeMutex); - d->connectReceived = true; - sendMessage(QV8DebugServicePrivate::packMessage(QLatin1String(V8_DEBUGGER_KEY_CONNECT))); - - } else if (command == V8_DEBUGGER_KEY_INTERRUPT) { - // break has to be executed in gui thread - QMetaObject::invokeMethod(this, "scheduledDebugBreak", Qt::QueuedConnection, Q_ARG(bool, true)); - sendMessage(QV8DebugServicePrivate::packMessage(QLatin1String(V8_DEBUGGER_KEY_INTERRUPT))); - - } else if (command == V8_DEBUGGER_KEY_DISCONNECT) { - // cancel break has to be executed in gui thread - QMetaObject::invokeMethod(this, "scheduledDebugBreak", Qt::QueuedConnection, Q_ARG(bool, false)); - sendDebugMessage(QString::fromUtf8(data)); - - } else if (command == V8_DEBUGGER_KEY_REQUEST) { - sendDebugMessage(QString::fromUtf8(data)); - - } else if (command == V8_DEBUGGER_KEY_BREAK_ON_SIGNAL) { - QDataStream rs(data); - QByteArray signal; - bool enabled; - rs >> signal >> enabled; - //Normalize to lower case. - QString signalName(QString::fromUtf8(signal).toLower()); - if (enabled) - d->breakOnSignals.append(signalName); - else - d->breakOnSignals.removeOne(signalName); - sendMessage(QV8DebugServicePrivate::packMessage(QLatin1String(V8_DEBUGGER_KEY_BREAK_ON_SIGNAL))); - - } else if (command == V8_DEBUGGER_KEY_BREAK_AFTER_COMPILE) { - QDataStream rs(data); - rs >> d->breakAfterCompile; - sendMessage(QV8DebugServicePrivate::packMessage(QLatin1String(V8_DEBUGGER_KEY_BREAK_AFTER_COMPILE))); - - } - } -} - -void QV8DebugService::sendDebugMessage(const QString &message) -{ - v8::Debug::SendCommand(message.utf16(), message.size()); -} - -void QV8DebugService::processDebugMessages() -{ - Q_D(QV8DebugService); - v8::HandleScope handleScope; - v8::Context::Scope contextScope(d->engine->context()); - v8::Debug::ProcessDebugMessages(); -} - -QByteArray QV8DebugServicePrivate::packMessage(const QString &type, const QString &message) -{ - QByteArray reply; - QDataStream rs(&reply, QIODevice::WriteOnly); - QByteArray cmd("V8DEBUG"); - rs << cmd << type.toUtf8() << message.toUtf8(); - return reply; -} - -QT_END_NAMESPACE |