xemacs-21.4 / src / debug.h

/* Debugging aids -- togglable assertions.
   Copyright (C) 1994 Free Software Foundation, Inc.

This file is part of XEmacs.

XEmacs 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.

XEmacs is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Synched up with: Not in FSF. */

/* Written by Chuck Thompson */

#ifndef _XEMACS_DEBUG_H_
#define _XEMACS_DEBUG_H_

#define DEBUG_STDERR	1
#define DEBUG_ABORT	2


#include <stdio.h>

struct debug_classes
  unsigned int redisplay :1;
  unsigned int buffers :1;
  unsigned int extents :1;
  unsigned int faces :1;
  unsigned int windows :1;
  unsigned int frames :1;
  unsigned int devices :1;
  unsigned int byte_code :1;

  unsigned int types_of_redisplay;
  unsigned int types_of_buffers;
  unsigned int types_of_extents;
  unsigned int types_of_faces;
  unsigned int types_of_windows;
  unsigned int types_of_frames;
  unsigned int types_of_devices;
  unsigned int types_of_byte_code;

extern Lisp_Object Qbuffers, Qdevices, Qfaces, Qframes, Qredisplay, Qwindows;

extern struct debug_classes active_debug_classes;

#define DASSERT(class, desired_type, action, assertion) do		\
{									\
  if (active_debug_classes.##class					\
      && (active_debug_classes.types_of_##class & desired_type))	\
    {									\
      if (! (assertion))						\
	{								\
	  if (action == DEBUG_STDERR)					\
	    stderr_out ("Assertion failed in %s at line %d\n",		\
			__FILE__, __LINE__);		       		\
	  else								\
	    abort ();							\
	}								\
    }									\
} while (0)
#else /* !DEBUG_XEMACS */

#define DASSERT(class, desired_type, action, assertion)	((void) 0)

#endif /* !DEBUG_XEMACS */

#endif /* _XEMACS_DEBUG_H_ */
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