debug.H

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// $Revision: 1.4 $  $Author: schwehr $  $Date: 2004/12/24 23:05:45 $
/*
    Copyright (C) 2004  Kurt Schwehr

    This program 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 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/


//  Thanks to Dan Christian and Dave Wettergreen getting me hooked on
// the debug level stuff.
//
// I know, I am mixing both cout and printf.  It seems to work for
// me!


#ifndef _DEBUG_H_
#define _DEBUG_H_


#ifdef __GNUC__
#define UNUSED __attribute((__unused__))
#else

#define UNUSED
#endif

#ifdef REGRESSION_TEST
#define FAILED_HERE cout <<  __FILE__ << ":" << __LINE__  \
                         << " failed in function " << __FUNCTION__ << endl
#else

#define FAILED_HERE // Empty
#endif


/* Debugging levels... the higher the # the more output you get. */
// FIX: will these clash when we link other files with this in?  foo.o and bar.o both use debug.h?
const int ALWAYS=0;     
const int TERSE=1;      
const int TRACE=4;      
const int VERBOSE=8;    
const int BOMBASTIC=20; 

#ifdef NDEBUG
#  define DebugPrintf(n,s)              /* expand to nothing */
#else

   extern int debug_level;
#  define DebugPrintf(n,s)  (((n) <= debug_level) ? printf s :0)
#endif


#endif // _DEBUG_H_

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