RespondToCache* RespondToCache::create(STATE, CallSite* fallback,
Object* recv, Symbol* msg, Object* priv, Object* res, int hits) {
RespondToCache* cache =
state->memory()->new_object<RespondToCache>(state, G(respond_to_cache));
Class* recv_class = recv->direct_class(state);
cache->fallback_call_site(state, fallback);
cache->executable(state, fallback->executable());
cache->name(state, fallback->name());
cache->receiver_class(state, recv_class);
cache->visibility(state, priv);
cache->message(state, msg);
cache->responds(state, res);
cache->ip(fallback->ip());
cache->executor(check_cache);
cache->fallback(check_cache);
cache->updater(NULL);
cache->hits(hits);
cache->receiver_data(recv_class->class_data());
return cache;
}
RespondToCache* RespondToCache::create(STATE, CallSite* fallback,
Object* recv, Symbol* msg, Object* priv, Object* res, int hits) {
RespondToCache* cache =
state->vm()->new_object<RespondToCache>(G(respond_to_cache));
Class* recv_class = recv->direct_class(state);
cache->fallback_call_site(state, fallback);
cache->executable(state, fallback->executable());
cache->name(state, fallback->name());
cache->receiver_class(state, recv_class);
cache->visibility(state, priv);
cache->message(state, msg);
cache->responds(state, res);
cache->ip_ = fallback->ip();
cache->executor_ = check_cache;
cache->fallback_ = check_cache;
cache->updater_ = NULL;
cache->hits_ = hits;
uint64_t recv_data = recv_class->data_raw();
cache->set_receiver_data(recv_data);
return cache;
}
Object* RespondToCache::check_cache(STATE, CallSite* call_site,
Arguments& args) {
RespondToCache* cache = static_cast<RespondToCache*>(call_site);
Class* const recv_class = args.recv()->direct_class(state);
if(args.total() > 0) {
Object* const message = args.get_argument(0);
Object* visibility = cFalse;
if(args.total() > 1) {
visibility = args.get_argument(1);
}
uint64_t recv_data = recv_class->data_raw();
if(likely(recv_data == cache->receiver_data_raw()
&& message == cache->message()
&& visibility == cache->visibility())) {
cache->hit();
return cache->responds();
}
}
return cache->fallback_call_site()->execute(state, args);
}
