(* Copyright (C) 2005, 2006 Free Software Foundation, Inc. *)
(* 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 2, 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 gm2; see the file COPYING.  If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)
MODULE cpp ;

FROM SYSTEM IMPORT ADR ;
FROM libc IMPORT exit, printf ;

PROCEDURE InternalError (a, file: ARRAY OF CHAR;
                         line: CARDINAL) ;
VAR
   r: INTEGER ;
BEGIN
   r := printf("%s:%d:internal error, %s\n",
               ADR(file), line, ADR(a)) ;
   exit(1)
END InternalError ;

#define ERROR(X)  InternalError(X, __FILE__, __LINE__)

VAR
   i, j: CARDINAL ;
BEGIN
   i := 1 ;
   j := 1 ;
   IF i#j
   THEN
      ERROR('trivial assignment failed')
   END ;
   i := 2 DIV 2 ;
   IF i#j
   THEN
      ERROR('trivial division failed')
   END ;
   ERROR('ignore this error just checking cpp')
END cpp.