(* FifoQueue.def provides a simple fifo queue.

Copyright (C) 2001-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.

This file is part of GNU Modula-2.

GNU Modula-2 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 3, or (at your option)
any later version.

GNU Modula-2 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 GNU Modula-2; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  *)

DEFINITION MODULE FifoQueue ;

(*
   Author     : Gaius Mulley
   Title      : FifoQueue
   Date       : Tue Dec 12 16:23:22 GMT 1989
   Description: FifoQueue provides a mechanism to and from which CARDINAL
                numbers can be stored and retrieved from a FIFO queue.
   Last update: Tue Dec 12 16:24:24 GMT 1989
*)

EXPORT QUALIFIED PutEnumerationIntoFifoQueue, GetEnumerationFromFifoQueue,
                 PutSubrangeIntoFifoQueue, GetSubrangeFromFifoQueue,
                 PutConstIntoFifoQueue, GetConstFromFifoQueue,
                 PutConstructorIntoFifoQueue, GetConstructorFromFifoQueue ;


(*
   PutEnumerationIntoFifoQueue - places an enumeration symbol, c,
                                 into a fifo queue.
*)

PROCEDURE PutEnumerationIntoFifoQueue (c: CARDINAL) ;


(*
   GetEnumerationFromFifoQueue - retrieves an enumeration symbol,
                                 c, from a fifo queue.
*)

PROCEDURE GetEnumerationFromFifoQueue (VAR c: CARDINAL) ;


(*
   PutSubrangeIntoFifoQueue - places a subrange symbol into a fifo
                              queue.
*)

PROCEDURE PutSubrangeIntoFifoQueue (c: CARDINAL) ;


(*
   GetSubrangeFromFifoQueue - retrieves a subrange symbol from a
                              fifo queue.
*)

PROCEDURE GetSubrangeFromFifoQueue (VAR c: CARDINAL) ;


(*
   PutConstIntoFifoQueue - places a constant symbol
                           into a fifo queue.
*)

PROCEDURE PutConstIntoFifoQueue (c: CARDINAL) ;


(*
   GetConstFromFifoQueue - retrieves a const symbol
                           from a fifo queue.
*)

PROCEDURE GetConstFromFifoQueue (VAR c: CARDINAL) ;


(*
   PutConstructorIntoFifoQueue - places a constructor symbol
                                 into a fifo queue.
*)

PROCEDURE PutConstructorIntoFifoQueue (c: CARDINAL) ;


(*
   GetConstructorFromFifoQueue - retrieves a constructor symbol
                                 from a fifo queue.
*)

PROCEDURE GetConstructorFromFifoQueue (VAR c: CARDINAL) ;


END FifoQueue.