static int lupb_array_index(lua_State *L) {
lupb_array *larray = lupb_array_check(L, 1);
upb_array *array = larray->arr;
uint32_t n = lupb_array_checkindex(L, 2, upb_array_size(array));
upb_fieldtype_t type = upb_array_type(array);
if (lupb_istypewrapped(type)) {
lupb_uservalgeti(L, 1, n);
} else {
lupb_pushmsgval(L, upb_array_type(array), upb_array_get(array, n));
}
return 1;
}
static upb_flow_t upb_msg_dispatch(upb_msg *msg, upb_msgdef *md,
upb_dispatcher *d) {
upb_msg_iter i;
for(i = upb_msg_begin(md); !upb_msg_done(i); i = upb_msg_next(md, i)) {
upb_fielddef *f = upb_msg_iter_field(i);
if (!upb_msg_has(msg, f)) continue;
upb_fhandlers *hf = upb_dispatcher_lookup(d, f->number);
if (!hf) continue;
upb_value val = upb_msg_get(msg, f);
if (upb_isarray(f)) {
upb_array *arr = upb_value_getarr(val);
for (uint32_t j = 0; j < upb_array_len(arr); ++j) {
upb_msg_pushval(upb_array_get(arr, f, j), f, d, hf);
}
} else {
upb_msg_pushval(val, f, d, hf);
}
}
return UPB_CONTINUE;
}