language-Modula2-0.1: examples/Modula-2_Libraries/C.-Lins_Modula-2_Software_Component_Library/Vol2/DeQueues/QENUM.DEF

DEFINITION MODULE QEnum;
(*===========================================================
    Version  : 1.00  03 May 1989  C. Lins
    Compiler : TopSpeed Modula-2
    Component: Tool - Queue/Deque Enumerations Utility

    REVISION HISTORY
    v1.00  03 May 1989  C. Lins:
      Initial TopSpeed Modula-2 implementation.

    (C) Copyright 1989 Charles A. Lins
===========================================================*)

CONST ComponentID      = 1280;  (*-- must be a multiple of 256 *)
CONST DequeComponentID = 1536;  (*-- must be a multiple of 256 *)

TYPE  Operations = (modinit,

                    create, destroy, clear, assign,
                    arrive, depart, leave,

                    isdefined, isempty, isequal, lengthof,
                    sizeof, typeof, frontof, rearof, endof,
                    positionof,

                    loopover, traverse,

                    seize, release
                   );

TYPE  Constructors = [ create    .. leave ];
TYPE  Selectors    = [ isdefined .. positionof ];
TYPE  Iterators    = [ loopover  .. traverse ];


TYPE  Exceptions = (noerr,
                    initfailed,
                    notfound,
                    overflow,
                    typeerror,
                    underflow,
                    undefined
                   );

TYPE  ExceptionSet = SET OF Exceptions;

END QEnum.