(* 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/.
 *)

(**************************************************************************)
(*                                                                        *)
(*                           PROJECT HELM                                 *)
(*                                                                        *)
(*                Andrea Asperti <asperti@cs.unibo.it>                    *)
(*                             27/6/2003                                   *)
(*                                                                        *)
(**************************************************************************)

type 
  cexpr =
    Symbol of string option * string * (subst option) * string option         
                                     (* h:xref, name, subst, definitionURL *)
  | LocalVar of string option * string        (* h:xref, name *)
  | Meta of string option * string * meta_subst (* h:xref, name, meta_subst *)
  | Num of string option * string             (* h:xref, value *)
  | Appl of string option * cexpr list        (* h:xref, args *)
  | Binder of string option *string * decl * cexpr   
                                       (* h:xref, name, decl, body *)
  | Letin of string option * def * cexpr          (* h:xref, def, body *)
  | Letrec of string option * def list * cexpr    (* h:xref, def list, body *)
  | Case of string option * cexpr * ((string * cexpr) list)
	                       (* h:xref, case_expr, named-pattern list *)

and 
  decl = string * cexpr               (* name, type *)
and
  def = string * cexpr               (* name, body *)
and
  subst = (UriManager.uri * cexpr) list
and
  meta_subst = cexpr option list
;;
 
 
val acic2cexpr : 
   (Cic.id, string) Hashtbl.t -> Cic.annterm -> cexpr