(* Copyright (C) 2000, HELM Team.
 * 
 * This file is part of HELM, an Hypertextual, Electronic
 * Library of Mathematics, developed at the Computer Science
 * Department, University of Bologna, Italy.
 * 
 * HELM is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * HELM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HELM; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 * 
 * For details, see the HELM World-Wide-Web page,
 * http://cs.unibo.it/helm/.
 *)

module AO = AutOutput
module MA = MetaAut
module MO = MetaOutput

let main =
   let version_string = "Helena Checker 0.8.0 M (June 2008)" in
   let summary = ref 0 in
   let set_summary i = summary := i in
   let print_version () = print_endline version_string; exit 0 in
   let read_file name =
      if !summary > 0 then
         Printf.printf "Processing file: %s\n" name; flush stdout;
      let ich = open_in name in
      let lexbuf = Lexing.from_channel ich in
      let book = AutParser.book AutLexer.token lexbuf in
      close_in ich;
      if !summary > 1 then
	 AO.count (AO.print_counters Cps.id) AO.initial_counters book;
      let f env =
         if !summary > 1 then
	    MO.count (MO.print_counters Cps.id) MO.initial_counters env
      in
      MA.meta_of_aut f book
   in
   let help = "Usage: helena [ -V | -S <number> ] <file> ..." in
   let help_S = "<number>  Set summary level" in   
   let help_V = " Show version information" in   
   Arg.parse [
      ("-S", Arg.Int set_summary, help_S);
      ("-V", Arg.Unit print_version, help_V)
   ] read_file help