22 lines
		
	
	
		
			549 B
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			549 B
		
	
	
	
		
			C++
		
	
	
namespace factor {
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static const cell card_starts_inside_object = 0xff;
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struct object_start_map {
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  cell size, start;
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  card* object_start_offsets;
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  card* object_start_offsets_end;
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  object_start_map(cell size, cell start);
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  ~object_start_map();
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  cell first_object_in_card(cell card_index);
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  cell find_object_containing_card(cell card_index);
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  void record_object_start_offset(object* obj);
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  void clear_object_start_offsets();
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  void update_card_for_sweep(cell index, uint16_t mask);
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  void update_for_sweep(mark_bits<object>* state);
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};
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}
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