+(* 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/
+ *)
+
+exception NoUnfinishedProof
+
+class type script =
+object
+
+ method locked_mark : Gtk.text_mark
+ method locked_tag : GText.tag
+ method error_tag : GText.tag
+
+ (** @return current status *)
+ method lexicon_status: LexiconEngine.status
+ method grafite_status: GrafiteTypes.status
+
+ (** {2 Observers} *)
+
+ method addObserver :
+ (LexiconEngine.status -> GrafiteTypes.status -> unit) -> unit
+
+ (** {2 History} *)
+
+ method advance : ?statement:string -> unit -> unit
+ method retract : unit -> unit
+ method goto: [`Top | `Bottom | `Cursor] -> unit -> unit
+ method reset: unit -> unit
+ method template: unit -> unit
+
+ (** {2 Load/save} *)
+
+ method assignFileName : string -> unit (* to the current active file *)
+ method loadFromFile : string -> unit
+ method saveToFile : unit -> unit
+ method filename : string
+
+ (** {2 Current proof} (if any) *)
+
+ (** @return true if there is an ongoing proof, false otherise *)
+ method onGoingProof: unit -> bool
+
+(* method proofStatus: ProofEngineTypes.status |+* @raise Statement_error +| *)
+ method proofMetasenv: Cic.metasenv (** @raise Statement_error *)
+ method proofContext: Cic.context (** @raise Statement_error *)
+ method proofConclusion: Cic.term (** @raise Statement_error *)
+ method stack: Continuationals.Stack.t (** @raise Statement_error *)
+
+ method setGoal: int option -> unit
+ method goal: int option
+
+ (** end of script, true if the whole script has been executed *)
+ method eos: bool
+
+ (** misc *)
+ method clean_dirty_lock: unit
+
+ (* debug *)
+ method dump : unit -> unit
+
+end
+
+ (** @param set_star callback used to set the modified symbol (usually a star
+ * "*") on the side of a script name *)
+val script:
+ source_view:GSourceView.source_view ->
+ mathviewer: MatitaTypes.mathViewer->
+ urichooser: (UriManager.uri list -> UriManager.uri list) ->
+ develcreator: (containing:string option -> unit) ->
+ ask_confirmation:
+ (title:string -> message:string -> [`YES | `NO | `CANCEL]) ->
+ set_star: (string -> bool -> unit) ->
+ unit ->
+ script
+
+(* each time script above is called an internal ref is set, instance will return
+ * the value of this ref *)
+(* TODO Zack: orrible solution until we found a better one for having a single
+ * access point for the script *)
+val current: unit -> script
+