(* 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/.
 *)

exception IllFormedReference of string Lazy.t

type spec = 
 | Decl 
 | Def
 | Fix of int * int (* fixno, recparamno *)
 | CoFix of int
 | Ind of int
 | Con of int * int (* indtyno, constrno *)

type reference = Ref of int *  NUri.uri * spec

val eq: reference -> reference -> bool
val string_of_reference: reference -> string 


(* CACCA *)
val reference_of_ouri: UriManager.uri -> spec ->  reference
val ouri_of_reference: reference -> UriManager.uri