C++ QScriptValue::objectId方法代码示例

QList<JSAgentWatchData> QJSDebuggerAgentPrivate::getLocals(QScriptContext *ctx)
{
    QList<JSAgentWatchData> locals;
    if (ctx) {
        QScriptValue activationObject = ctx->activationObject();
        QScriptValue thisObject = ctx->thisObject();
        locals = expandObject(activationObject);
        if (thisObject.isObject()
                && thisObject.objectId() != engine()->globalObject().objectId()
                && QScriptValueIterator(thisObject).hasNext())
            locals.prepend(fromScriptValue(QLatin1String("this"), thisObject));
        recordKnownObjects(locals);
        knownObjectIds << activationObject.objectId();
    }
    return locals;
}

void JavascriptInstance::GetObjectInformation(const QScriptValue &object, QSet<qint64> &ids, uint &valueCount, uint &objectCount, uint &nullCount, uint &numberCount, 
    uint &boolCount, uint &stringCount, uint &arrayCount, uint &funcCount, uint &qobjCount, uint &qobjMethodCount)
{
    if (!ids.contains(object.objectId()))       
        ids << object.objectId();
    
    QScriptValueIterator iter(object);
    while(iter.hasNext()) 
    {
        iter.next();
        QScriptValue v = iter.value();

        if (ids.contains(v.objectId()))
            continue;
        ids << v.objectId();
        
        valueCount++;
        if (v.isNull())
            nullCount++;

        if (v.isNumber())
            numberCount++;
        else if (v.isBool())
            boolCount++;
        else if (v.isString())
            stringCount++;
        else if (v.isArray())
            arrayCount++;
        else if (v.isFunction())
            funcCount++;
        else if (v.isQObject())
            qobjCount++;
        
        if (v.isObject())
            objectCount++;

        if (v.isQMetaObject())
            qobjMethodCount += v.toQMetaObject()->methodCount();
        
        // Recurse
        if ((v.isObject() || v.isArray()) && !v.isFunction() && !v.isString() && !v.isNumber() && !v.isBool() && !v.isQObject() && !v.isQMetaObject())
            GetObjectInformation(v, ids, valueCount, objectCount, nullCount, numberCount, boolCount, stringCount, arrayCount, funcCount, qobjCount, qobjMethodCount);
    }
}

static JSAgentWatchData fromScriptValue(const QString &expression,
                                        const QScriptValue &value)
{
    static const QString arrayStr = QCoreApplication::translate
            ("Debugger::JSAgentWatchData", "[Array of length %1]");
    static const QString undefinedStr = QCoreApplication::translate
            ("Debugger::JSAgentWatchData", "<undefined>");

    JSAgentWatchData data;
    data.exp = expression.toUtf8();
    data.name = data.exp;
    data.hasChildren = false;
    data.value = value.toString().toUtf8();
    data.objectId = value.objectId();
    if (value.isArray()) {
        data.type = "Array";
        data.value = arrayStr.arg(value.property(QLatin1String("length")).toString()).toUtf8();
        data.hasChildren = true;
    } else if (value.isBool()) {
        data.type = "Bool";
        // data.value = value.toBool() ? "true" : "false";
    } else if (value.isDate()) {
        data.type = "Date";
        data.value = value.toDateTime().toString().toUtf8();
    } else if (value.isError()) {
        data.type = "Error";
    } else if (value.isFunction()) {
        data.type = "Function";
    } else if (value.isUndefined()) {
        data.type = undefinedStr.toUtf8();
    } else if (value.isNumber()) {
        data.type = "Number";
    } else if (value.isRegExp()) {
        data.type = "RegExp";
    } else if (value.isString()) {
        data.type = "String";
    } else if (value.isVariant()) {
        data.type = "Variant";
    } else if (value.isQObject()) {
        const QObject *obj = value.toQObject();
        data.type = "Object";
        data.value += '[';
        data.value += obj->metaObject()->className();
        data.value += ']';
        data.hasChildren = true;
    } else if (value.isObject()) {
        data.type = "Object";
        data.hasChildren = true;
        data.value = "[Object]";
    } else if (value.isNull()) {
        data.type = "<null>";
    } else {
        data.type = "<unknown>";
    }
    return data;
}

void MessageHandler::unsubscribe( const QString& message, const QScriptValue& receiver, const QScriptValue& /* thisObject */ )
{
    QMultiHash<QString, QScriptValue>::iterator itr;
    for( itr = d->subscribedFunctions.find( message ); itr != d->subscribedFunctions.end() && itr.key() == message; ++itr )
    {
        if( itr.value().equals( receiver ) )
            break;
    }

    if( itr != d->subscribedFunctions.end() && itr.key() == message )
    {
        d->subscribedFunctions.erase( itr );
        d->functionObjects.remove( receiver.objectId() );
    }
}

QScriptValue ScriptDataItem::property(const QScriptValue &object, const QScriptString &name, uint id)
{
	Q_UNUSED(id);
	if (name == m_subitem)
		return m_subitemFunc;
	if (name == m_subitems)
		return m_subitemsFunc;
	DataItem *item = get_data_item(object);
	debug() << Q_FUNC_INFO << item << (object.objectId() == m_prototype.objectId());
	Q_ASSERT(item);
	QVariant data = item->property(name.toString().toUtf8());
	if (data.isNull()) {
		DataItem subitem = item->subitem(name.toString());
		if (!subitem.isNull())
			return engine()->toScriptValue(subitem);
		return engine()->undefinedValue();
	}
	return engine()->newVariant(data);
}

QScriptValue Transformer::translateFileConfig(ScriptEngine *scriptEngine, const Artifact *artifact,
                                              const QString &defaultModuleName)
{
    QScriptValue obj = scriptEngine->newObject();
    attachPointerTo(obj, artifact);
    ModuleProperties::init(obj, artifact);
    obj.setProperty(StringConstants::fileNameProperty(), artifact->fileName());
    obj.setProperty(StringConstants::filePathProperty(), artifact->filePath());
    setArtifactProperty(obj, StringConstants::baseNameProperty(), js_baseName, artifact);
    setArtifactProperty(obj, StringConstants::completeBaseNameProperty(), js_completeBaseName,
                        artifact);
    setArtifactProperty(obj, QStringLiteral("baseDir"), js_baseDir, artifact);
    setArtifactProperty(obj, QStringLiteral("children"), js_children, artifact);
    const QStringList fileTags = sorted(artifact->fileTags().toStringList());
    scriptEngine->setObservedProperty(obj, StringConstants::fileTagsProperty(),
                                      scriptEngine->toScriptValue(fileTags));
    scriptEngine->observer()->addArtifactId(obj.objectId());
    if (!defaultModuleName.isEmpty())
        obj.setProperty(StringConstants::moduleNameProperty(), defaultModuleName);
    return obj;
}

void MessageHandler::subscribe( const QString& message, const QScriptValue& receiver, const QScriptValue& thisObject )
{
    d->subscribedFunctions.insert( message, receiver );
    d->functionObjects.insert( receiver.objectId(), thisObject );
}