GlobalObject *
GlobalObject::create(JSContext *cx, Class *clasp)
{
    JS_ASSERT(clasp->flags & JSCLASS_IS_GLOBAL);

    JSObject *obj = NewObjectWithGivenProto(cx, clasp, NULL, NULL);
    if (!obj || !obj->setSingletonType(cx))
        return NULL;

    GlobalObject *globalObj = obj->asGlobal();
    if (!globalObj->setVarObj(cx))
        return NULL;

    /* Construct a regexp statics object for this global object. */
    JSObject *res = RegExpStatics::create(cx, globalObj);
    if (!res)
        return NULL;
    globalObj->initSlot(REGEXP_STATICS, ObjectValue(*res));
    globalObj->initFlags(0);

    return globalObj;
}