+ if !L.level > 0 then Time.utime_stamp "parsed";
+ let rec aux st = function
+ | [] -> st
+ | item :: tl ->
+(* stage 3 *)
+ let f st _ = function
+ | None -> st
+ | Some (i, u, _) ->
+ Log.warn (P.sprintf "[%u] %s" i (U.string_of_uri u)); st
+ in
+(* stage 2 *)
+ let f st item =
+ let st = {st with bagc = count BagO.count_item st.bagc item} in
+ if !stage > 2 then BagU.type_check (f st) !H.graph item else st
+ in
+(* stage 1 *)
+ let f mst item =
+ let st = {st with
+ mst = mst; mc = count MO.count_item st.mc item
+ } in
+ begin match !meta_file with
+ | None -> ()
+ | Some (_, frm) -> MO.pp_item C.start frm item
+ end;
+ if !stage > 1 then MBag.bag_of_meta (f st) item else st
+ in
+(* stage 0 *)
+ let st = {st with ac = count AO.count_item st.ac item} in
+ let st =
+ if !stage > 0 then MA.meta_of_aut f st.mst item else st
+ in
+ aux st tl
+ in
+ let st = aux initial_status book in
+ if !L.level > 0 then Time.utime_stamp "processed";
+ if !L.level > 2 then AO.print_counters C.start st.ac;
+ if !L.level > 2 && !stage > 0 then MO.print_counters C.start st.mc;
+ if !L.level > 2 && !stage > 1 then BagO.print_counters C.start st.bagc;
+ in
+ let help =
+ "Usage: helena [ -Vin | -Ss <number> | -m <file> | -h <string> ] <file> ...\n\n" ^
+ "Summary levels: 0 just errors, 1 time stamps, 2 processed file names, \
+ 3 data information, 4 typing information, 5 reduction information\n\n" ^
+ "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted\n"