DEFINITION MODULE Debug ;

(*
    Description: provides some simple debugging routines.
*)

EXPORT QUALIFIED Halt, DebugString ;


(*
   Halt - writes a message in the format:
          Module:Function:Line:Message

          It then terminates by calling HALT.
*)

PROCEDURE Halt (Message,
                Module,
                Function: ARRAY OF CHAR ;
                LineNo  : CARDINAL) ;


(*
   DebugString - writes a string to the debugging device (Scn.Write).
                 It interprets \n as carriage return, linefeed.
*)

PROCEDURE DebugString (a: ARRAY OF CHAR) ;


END Debug.