Пример #1
0
/* static */ void
ArgumentsObject::MaybeForwardToCallObject(ion::IonJSFrameLayout *frame, HandleObject callObj,
                                          JSObject *obj, ArgumentsData *data)
{
    JSFunction *callee = ion::CalleeTokenToFunction(frame->calleeToken());
    JSScript *script = callee->nonLazyScript();
    if (callee->isHeavyweight() && script->argsObjAliasesFormals()) {
        JS_ASSERT(callObj && callObj->isCall());
        obj->initFixedSlot(MAYBE_CALL_SLOT, ObjectValue(*callObj.get()));
        for (AliasedFormalIter fi(script); fi; fi++)
            data->args[fi.frameIndex()] = MagicValue(JS_FORWARD_TO_CALL_OBJECT);
    }
}