(* 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/
 *)

open DisambiguateTypes

let pp_environment env =
  let aliases =
    Environment.fold
      (fun domain_item (dsc, _) acc ->
        let s =
          match domain_item with
          | Id id ->
              GrafiteAstPp.pp_alias (GrafiteAst.Ident_alias (id, dsc)) ^ "."
          | Symbol (symb, i) ->
              GrafiteAstPp.pp_alias (GrafiteAst.Symbol_alias (symb, i, dsc))
              ^ "."
          | Num i ->
              GrafiteAstPp.pp_alias (GrafiteAst.Number_alias (i, dsc)) ^ "."
        in
        s :: acc)
      env []
  in
  String.concat "\n" (List.sort compare aliases) ^
   (if aliases = [] then "" else "\n")