bool ClassObjectDelegate::getOwnPropertySlot(QScriptObject* object,
                                             JSC::ExecState *exec,
                                             const JSC::Identifier &propertyName,
                                             JSC::PropertySlot &slot)
{
    QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
    QScript::SaveFrameHelper saveFrame(engine, exec);
    // for compatibility with the old back-end, normal JS properties
    // are queried first.
    if (QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot))
        return true;

    QScriptValue scriptObject = engine->scriptValueFromJSCValue(object);
    QScriptString scriptName;
    QScriptStringPrivate scriptName_d(engine, propertyName, QScriptStringPrivate::StackAllocated);
    QScriptStringPrivate::init(scriptName, &scriptName_d);
    uint id = 0;
    QScriptClass::QueryFlags flags = m_scriptClass->queryProperty(
        scriptObject, scriptName, QScriptClass::HandlesReadAccess, &id);
    if (flags & QScriptClass::HandlesReadAccess) {
        QScriptValue value = m_scriptClass->property(scriptObject, scriptName, id);
        slot.setValue(engine->scriptValueToJSCValue(value));
        return true;
    }
    return false;
}
bool ClassObjectDelegate::getOwnPropertySlot(QScriptObject* object,
                                             JSC::ExecState *exec,
                                             const JSC::Identifier &propertyName,
                                             JSC::PropertySlot &slot)
{
    QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
    QScript::SaveFrameHelper saveFrame(engine, exec);
    // for compatibility with the old back-end, normal JS properties
    // are queried first.
    if (QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot))
        return true;

    QScriptValue scriptObject = engine->scriptValueFromJSCValue(object);
    QScriptString scriptName;
    QScriptStringPrivate scriptName_d(engine, propertyName, QScriptStringPrivate::StackAllocated);
    QScriptStringPrivate::init(scriptName, &scriptName_d);
    uint id = 0;
    QScriptClass::QueryFlags flags = m_scriptClass->queryProperty(
        scriptObject, scriptName, QScriptClass::HandlesReadAccess, &id);
    if (flags & QScriptClass::HandlesReadAccess) {
        QScriptValue value = m_scriptClass->property(scriptObject, scriptName, id);
        if (!value.isValid()) {
            // The class claims to have the property, but returned an invalid
            // value. Silently convert to undefined to avoid the invalid value
            // "escaping" into JS.
            value = QScriptValue(QScriptValue::UndefinedValue);
        }
        slot.setValue(engine->scriptValueToJSCValue(value));
        return true;
    }
    return false;
}
bool GlobalObject::getOwnPropertySlot(JSC::ExecState* exec,
                                      const JSC::Identifier& propertyName,
                                      JSC::PropertySlot& slot)
{
    QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
    if (propertyName == exec->propertyNames().arguments && engine->currentFrame->argumentCount() > 0) {
        JSC::JSValue args = engine->scriptValueToJSCValue(engine->contextForFrame(engine->currentFrame)->argumentsObject());
        slot.setValue(args);
        return true;
    }
    if (customGlobalObject)
        return customGlobalObject->getOwnPropertySlot(exec, propertyName, slot);
    return JSC::JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot);
}
示例#4
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bool DeclarativeObjectDelegate::getOwnPropertySlot(QScriptObject* object,
                                                   JSC::ExecState *exec,
                                                   const JSC::Identifier &propertyName,
                                                   JSC::PropertySlot &slot)
{
    QScriptDeclarativeClass::Identifier identifier = (void *)propertyName.ustring().rep();

    QScriptDeclarativeClassPrivate *p = QScriptDeclarativeClassPrivate::get(m_class);
    p->context = reinterpret_cast<QScriptContext *>(exec);
    QScriptClass::QueryFlags flags = 
        m_class->queryProperty(m_object, identifier, QScriptClass::HandlesReadAccess);
    if (flags & QScriptClass::HandlesReadAccess) {
        QScriptDeclarativeClass::Value val = m_class->property(m_object, identifier);
        p->context = 0;
        slot.setValue((const JSC::JSValue &)val);
        return true;
    }
    p->context = 0;

    return QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot);
}