(* M2Debug.def simple debugging facilities in the Modula-2 compiler. Copyright (C) 2001-2023 Free Software Foundation, Inc. Contributed by Gaius Mulley . 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 . *) DEFINITION MODULE M2Debug ; (* Author : Gaius Mulley Title : M2Debug Date : 30/5/87 Description: Implements the Debugging facilities in the Modula-2 compiler. Last update: 30/5/87 *) EXPORT QUALIFIED Assert, WriteDebug ; (* Assert - tests the boolean, q. If false then an error is reported and the execution is HALTed. *) PROCEDURE Assert (q: BOOLEAN) ; (* WriteDebug - only writes a string if the debugging mode is on. *) PROCEDURE WriteDebug (a: ARRAY OF CHAR) ; END M2Debug.