(* 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 MatitaTypes

(** raised when ambiguous input is found but not expected (e.g. in the batch
  * compiler) *)
exception Ambiguous_input

type choose_uris_callback = id:string -> UriManager.uri list -> UriManager.uri list
type choose_interp_callback = (string * string) list list -> int list

val set_choose_uris_callback:   choose_uris_callback -> unit
val set_choose_interp_callback: choose_interp_callback -> unit

(** @raise Ambiguous_input if called, default value for internal
  * choose_uris_callback if not set otherwise with set_choose_uris_callback
  * above *)
val mono_uris_callback: choose_uris_callback

(** @raise Ambiguous_input if called, default value for internal
  * choose_interp_callback if not set otherwise with set_choose_interp_callback
  * above *)
val mono_interp_callback: choose_interp_callback

(** for GUI callbacks see MatitaGui.interactive_{interp,user_uri}_choice *)

val disambiguate_term :
  dbd:Mysql.dbd ->
  context:Cic.context ->
  metasenv:Cic.metasenv ->
  ?initial_ugraph:CicUniv.universe_graph -> 
  aliases:DisambiguateTypes.environment -> (* previous interpretation status *)
  DisambiguateTypes.term ->
  (DisambiguateTypes.environment * (* new interpretation status *)
   Cic.metasenv *                  (* new metasenv *)
   Cic.term *
   CicUniv.universe_graph) list *  (* disambiguated term *)
  bool  (* has interactive_interpretation_choice been invoked? *)

(** @param fresh_instances as per disambiguate_term *)
val disambiguate_obj :
  dbd:Mysql.dbd ->
  aliases:DisambiguateTypes.environment -> (* previous interpretation status *)
  uri:UriManager.uri option ->     (* required only for inductive types *)
  GrafiteAst.obj ->
  (DisambiguateTypes.environment * (* new interpretation status *)
   Cic.metasenv *                  (* new metasenv *)
   Cic.obj *
   CicUniv.universe_graph) list *  (* disambiguated obj *)
  bool  (* has interactive_interpretation_choice been invoked? *)