(* Copyright (C) 2004-2005, 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://helm.cs.unibo.it/
 *)

open Printf

open MatitaTypes

(** {2 Initialization} *)

let arg_spec = [
(*   "-opt", Arg...., "set bla bla bla"; *)
]
let usage =
  sprintf "MatitaC v%s\nUsage: matitac [option ...] file ...\nOptions:"
    BuildTimeConf.version

let _ =
  Helm_registry.load_from "matita.conf.xml";
  Http_getter.init ();
  MetadataTypes.ownerize_tables (Helm_registry.get "matita.owner");
  MatitaDb.clean_owner_environment ();
  MatitaDb.create_owner_environment ()

let scripts =
  let acc = ref [] in
  let add_script fname = acc := fname :: !acc in
  Arg.parse arg_spec add_script usage;
  List.rev !acc

let run_script fname =
  MatitaLog.message (sprintf "execution of %s started:" fname);
  let is =
    Stream.of_channel
      (match fname with
      | "stdin" -> stdin
      | fname -> open_in fname)
  in
  let status = ref (Lazy.force MatitaEngine.initial_status) in
  try
    while true do
      dump_status !status;
      try
        status := MatitaEngine.eval_from_stream !status is
      with
      | CicTextualParser2.Parse_error _ as exn -> 
          try 
            Stream.empty is; 
            raise  End_of_file
          with Stream.Failure -> raise exn
      | exn -> 
          MatitaLog.error (Printexc.to_string exn);
          raise exn
    done
  with 
    | End_of_file ->
        MatitaLog.message (sprintf "execution of %s completed." fname);
        Http_getter.sync_dump_file ();
        exit(0)
    | CicTextualParser2.Parse_error (floc,err) ->
        let (x, y) = CicAst.loc_of_floc floc in
        MatitaLog.message (sprintf "Parse error at %d-%d: %s" x y err);
        Http_getter.sync_dump_file ();
        exit 1
        

let _ = List.iter run_script scripts