Beispiel #1
0
bool
jit::SetPropertyPar(ForkJoinSlice *slice, HandleObject obj, HandlePropertyName name,
                    HandleValue value, bool strict, jsbytecode *pc)
{
    JS_ASSERT(slice->isThreadLocal(obj));

    if (*pc == JSOP_SETALIASEDVAR) {
        // See comment in jit::SetProperty.
        Shape *shape = obj->nativeLookupPure(name);
        JS_ASSERT(shape && shape->hasSlot());
        return obj->nativeSetSlotIfHasType(shape, value);
    }

    // Fail early on hooks.
    if (obj->getOps()->setProperty)
        return TP_RETRY_SEQUENTIALLY;

    RootedValue v(slice, value);
    RootedId id(slice, NameToId(name));
    return baseops::SetPropertyHelper<ParallelExecution>(slice, obj, obj, id, 0, &v, strict);
}
Beispiel #2
0
static bool
GetUnclonedValue(JSContext *cx, HandleObject selfHostedObject, HandleId id, MutableHandleValue vp)
{
    vp.setUndefined();

    if (JSID_IS_INT(id)) {
        size_t index = JSID_TO_INT(id);
        if (index < selfHostedObject->getDenseInitializedLength() &&
            !selfHostedObject->getDenseElement(index).isMagic(JS_ELEMENTS_HOLE))
        {
            vp.set(selfHostedObject->getDenseElement(JSID_TO_INT(id)));
            return true;
        }
    }

    // Since all atoms used by self hosting are marked as permanent, any
    // attempt to look up a non-permanent atom will fail. We should only
    // see such atoms when code is looking for properties on the self
    // hosted global which aren't present.
    if (JSID_IS_STRING(id) && !JSID_TO_STRING(id)->isPermanentAtom()) {
        JS_ASSERT(selfHostedObject->is<GlobalObject>());
        RootedValue value(cx, IdToValue(id));
        return js_ReportValueErrorFlags(cx, JSREPORT_ERROR, JSMSG_NO_SUCH_SELF_HOSTED_PROP,
                                        JSDVG_IGNORE_STACK, value, NullPtr(), nullptr, nullptr);
    }

    RootedShape shape(cx, selfHostedObject->nativeLookupPure(id));
    if (!shape) {
        RootedValue value(cx, IdToValue(id));
        return js_ReportValueErrorFlags(cx, JSREPORT_ERROR, JSMSG_NO_SUCH_SELF_HOSTED_PROP,
                                        JSDVG_IGNORE_STACK, value, NullPtr(), nullptr, nullptr);
    }

    JS_ASSERT(shape->hasSlot() && shape->hasDefaultGetter());
    vp.set(selfHostedObject->getSlot(shape->slot()));
    return true;
}