(* Copyright (C) 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/
 *)

  (** script failures (e.g. going before the beginning or after the end of the
  * script) *)
exception Script_failure of string

class type script =
  object
      (** script window used by this script *)
    method win: MatitaGeneratedGui.scriptWin

      (** fill text buffer reading a script from a file *)
    method loadFrom: string -> unit

      (** adds a tactical at current script execution point and execute it. Used
      * when the user uses buttons or console instead of directly editing the
      * script *)
    method advance: string -> MatitaTypes.command_outcome
  end

val script: interpreter:MatitaTypes.interpreter -> script