void factor_vm::collect_nursery() {
// Copy live objects from the nursery (as determined by the root set and
// marked cards in aging and tenured) to aging space.
gc_workhorse<aging_space, nursery_policy>
workhorse(this, data->aging, nursery_policy(data->nursery));
slot_visitor<gc_workhorse<aging_space, nursery_policy>>
visitor(this, workhorse);
cell scan = data->aging->start + data->aging->occupied_space();
visitor.visit_all_roots();
gc_event* event = current_gc->event;
if (event)
event->reset_timer();
visitor.visit_cards(data->tenured, card_points_to_nursery,
card_points_to_nursery);
visitor.visit_cards(data->aging, card_points_to_nursery, 0xff);
if (event)
event->ended_card_scan(visitor.cards_scanned, visitor.decks_scanned);
if (event)
event->reset_timer();
visitor.visit_code_heap_roots(&code->points_to_nursery);
if (event)
event->ended_code_scan(code->points_to_nursery.size());
visitor.cheneys_algorithm(data->aging, scan);
data->reset_nursery();
code->points_to_nursery.clear();
}
nursery_collector::nursery_collector(factor_vm* parent)
: copying_collector<aging_space, nursery_policy>(parent,
parent->data->aging,
nursery_policy(parent)) {}