cit_util/src/Debug.i3

                                                                           
  Debug.i3                                                                 
                                                                           
  Debugging output and aborting the program.                               
                                                                           
  Copyright (c) 2000 California Institute of Technology                    
  All rights reserved.                                                     
  Department of Computer Science                                           
  Pasadena, CA 91125.                                                      
                                                                           
  Author: Mika Nystrom <mika@cs.caltech.edu>                               
                                                                           
  Permission to use, copy, modify, and distribute this software            
  and its documentation for any purpose and without fee is hereby          
  granted, provided that the above copyright notice appear in all          
  copies. The California Institute of Technology makes no representations  
  about the suitability of this software for any purpose. It is            
  provided as is without express or implied warranty. Export of this     
  software outside of the United States of America may require an          
  export license.                                                          
                                                                           


INTERFACE Debug;

PROCEDURE Out(t : TEXT; minLevel : CARDINAL := 10);
PROCEDURE S(t: TEXT; minLevel : CARDINAL := 5);
PROCEDURE Warning(t : TEXT);
PROCEDURE Error(t : TEXT);
PROCEDURE UnNil(text : TEXT) : TEXT;

 apart from these procedures, the debug level is also set from the
   env. variable DEBUGLEVEL 


 if nothing else, it defaults to zero 


PROCEDURE RaiseLevel(newLevel : CARDINAL);
PROCEDURE LowerLevel(newLevel : CARDINAL);
PROCEDURE SetLevel(newLevel : CARDINAL);
PROCEDURE GetLevel() : CARDINAL;

END Debug.





Debug's implementation  is in: