(** PROFILING *)
-let profiling_enabled = ComponentsConf.profiling
+let profiling_enabled = false ;; (* ComponentsConf.profiling *)
+
+let something_profiled = ref false
let _ =
- if profiling_enabled then
+ if !something_profiled then
at_exit
- (fun _ -> prerr_endline
- (Printf.sprintf "!! %-39s %6s %9s %9s %9s"
- "function" "#calls" "total" "max" "average"))
+ (fun _ ->
+ prerr_endline
+ (Printf.sprintf "!! %39s ---------- --------- --------- ---------"
+ (String.make 39 '-'));
+ prerr_endline
+ (Printf.sprintf "!! %-39s %10s %9s %9s %9s"
+ "function" "#calls" "total" "max" "average"))
let profiling_printings = ref (fun _ -> true)
let set_profiling_printings f = profiling_printings := f
in
at_exit
(fun () ->
- if !profiling_printings s && !total <> 0. then
+ if !profiling_printings s && !calls <> 0 then
+ begin
+ something_profiled := true;
prerr_endline
- (Printf.sprintf "!! %-39s %6d %9.4f %9.4f %9.4f"
- s !calls !total !max (!total /. (float_of_int !calls))));
+ (Printf.sprintf "!! %-39s %10d %9.4f %9.4f %9.4f"
+ s !calls !total !max (!total /. (float_of_int !calls)))
+ end);
{ profile = profile }
else
{ profile = fun f x -> f x }
(** {2 List processing} *)
+let flatten_map f l =
+ List.flatten (List.map f l)
+;;
+
let rec list_uniq ?(eq=(=)) = function
| [] -> []
| h::[] -> [h]
in
aux l
+let split_nth n l =
+ let rec aux acc n l =
+ match n, l with
+ | 0, _ -> List.rev acc, l
+ | n, [] -> raise (Failure "HExtlib.split_nth")
+ | n, hd :: tl -> aux (hd :: acc) (n - 1) tl in
+ aux [] n l
+
+let list_last l =
+ let l = List.rev l in
+ try List.hd l with exn -> raise (Failure "HExtlib.list_last")
+;;
+
(** {2 File predicates} *)
let is_dir fname =
let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
let is_dir_empty d =
- let od = Unix.opendir d in
- let rec aux () =
- let name = Unix.readdir od in
- if name <> "." && name <> ".." then false else aux () in
- let res = try aux () with End_of_file -> true in
- Unix.closedir od;
- res
+ try
+ let od = Unix.opendir d in
+ let rec aux () =
+ let name = Unix.readdir od in
+ if name <> "." && name <> ".." then false else aux () in
+ let res = try aux () with End_of_file -> true in
+ Unix.closedir od;
+ res
+ with
+ Unix.Unix_error _ -> true (* raised by Unix.opendir, we hope :-) *)
let safe_rmdir d = try Unix.rmdir d with Unix.Unix_error _ -> ()
{ flocb with Lexing.pos_cnum = x }, { floce with Lexing.pos_cnum = y }
in
raise (Localized (floc, exn))
+
+let estimate_size x =
+ 4 * (String.length (Marshal.to_string x [])) / 1024
+