(* This program is free software; you can redistribute it and/or      *)
(* modify it under the terms of the GNU Lesser General Public License *)
(* as published by the Free Software Foundation; either version 2.1   *)
(* 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 Lesser General Public   *)
(* License along with this program; if not, write to the Free         *)
(* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *)
(* 02110-1301 USA                                                     *)
(** This file contains the description of the abstract machine: - its state - its transitions - its messages  *)
Require Export abstract_machine.
Unset Standard Proposition Elimination Names.
(**********************************************************************  MESSAGES  **********************************************************************)
Section MESSAGES.
Inductive Message : Set :=
| dec : Message
| inc_dec : Site -> Message
| copy : Message.

(* Specifications: *)
Theorem eq_message_dec : eq_dec Message.
End MESSAGES.