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