------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2020, Frank Singhoff, Alain Plantec, Jerome Legrand,
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by
-- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale
--
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008.
-- Since 2008, Ellidiss technologies also contributes to the development of
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in AUTHORS.txt and SPONSORS.txt
--
-- This program 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.
--
-- This program 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 this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--
------------------------------------------------------------------------------
-- Last update :
--    $Rev$
--    $Date$
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------

with unbounded_strings; use unbounded_strings;

package body id_generators is

   procedure put (e : in id) is
   begin
      Put ("value: ");
      Put (e.value);
      Put ("; ");
      Put ("kind: ");
      Put (e.kind);
      Put ("; ");
   end put;

   procedure put (e : in id_ptr) is
   begin
      put (e.all);
   end put;

   procedure initialize (a : out id) is
   begin
      a.kind  := bounded_value_type;
      a.value := id_value_type'first;
   end initialize;

   procedure generate_id (an_id : in out id; current_id : out id_value_type) is
   begin
      if (an_id.value = id_value_type'last) then
         if (an_id.kind = bounded_value_type) then
            raise exceeded_id_value;
         else
            an_id.value := id_value_type'first;
         end if;
      else
         an_id.value := an_id.value + 1;
         current_id  := an_id.value;
      end if;

   end generate_id;

   procedure generate_id
     (an_id      : in out id;
      current_id :    out Unbounded_String)
   is
      local_id : id_value_type;
   begin
      generate_id (an_id, local_id);
      current_id := To_Unbounded_String ("id_");
      current_id :=
        current_id &
        suppress_space (To_Unbounded_String (id_value_type'image (local_id)));
   end generate_id;

end id_generators;