5 nursery_collector::nursery_collector(factor_vm* parent_)
6 : copying_collector<aging_space, nursery_policy>(parent_,
8 nursery_policy(parent_)) {}
10 void factor_vm::collect_nursery() {
11 /* Copy live objects from the nursery (as determined by the root set and
12 marked cards in aging and tenured) to aging space. */
13 nursery_collector collector(this);
15 collector.trace_roots();
16 collector.trace_contexts();
18 gc_event* event = current_gc->event;
21 event->started_card_scan();
22 collector.trace_cards(data->tenured, card_points_to_nursery,
23 simple_unmarker(card_points_to_nursery));
24 if (data->aging->here != data->aging->start) {
25 collector.trace_cards(data->aging, card_points_to_nursery, full_unmarker());
28 event->ended_card_scan(collector.cards_scanned, collector.decks_scanned);
31 event->started_code_scan();
32 collector.trace_code_heap_roots(&code->points_to_nursery);
34 event->ended_code_scan(collector.code_blocks_scanned);
36 collector.cheneys_algorithm();
38 data->reset_generation(&nursery);
39 code->points_to_nursery.clear();