2013-05-11 21:40:14 -04:00
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namespace factor {
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2009-10-07 16:48:09 -04:00
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2009-10-20 23:20:49 -04:00
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struct aging_space : bump_allocator<object> {
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2013-05-11 21:40:14 -04:00
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object_start_map starts;
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2009-10-20 14:47:04 -04:00
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2013-05-12 21:48:38 -04:00
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aging_space(cell size, cell start)
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2013-05-11 21:40:14 -04:00
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: bump_allocator<object>(size, start), starts(size, start) {}
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2009-10-20 14:47:04 -04:00
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2013-05-11 21:40:14 -04:00
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object* allot(cell size) {
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if (here + size > end)
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return NULL;
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2009-10-20 14:47:04 -04:00
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2013-05-11 21:40:14 -04:00
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object* obj = bump_allocator<object>::allot(size);
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starts.record_object_start_offset(obj);
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return obj;
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}
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2014-11-21 03:14:55 -05:00
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cell next_object_after(cell scan) {
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cell size = ((object*)scan)->size();
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if (scan + size < here)
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return scan + size;
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else
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return 0;
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}
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cell first_object() {
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if (start != here)
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return start;
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else
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return 0;
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}
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2009-10-07 16:48:09 -04:00
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};
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}
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