6 let loggers = [ "top-down-run";
14 let active_loggers : (t, int) Hashtbl.t = Hashtbl.create 17
15 let margin = List.fold_left (fun m l -> max m (String.length l)) 0 loggers
16 let available () = loggers
18 let is_logger s = List.mem s loggers
19 let level s = try Hashtbl.find active_loggers s with Not_found -> 0
20 let is_active s = Hashtbl.mem active_loggers s
21 let activate s lvl = if not (is_active s) then Hashtbl.add active_loggers s lvl
22 let deactivate s = Hashtbl.remove active_loggers s
24 let logger_output = ref err_formatter
25 let set_output f = logger_output := f
30 pp_open_hovbox !logger_output (margin + 3);
31 fprintf !logger_output "%-.*s : " margin t;
33 pp_close_box !logger_output ();
34 fprintf !logger_output "@?@\n";
38 ifprintf !logger_output fmt