1  /* FriBidi
       2   * debug.h - debug-only interfaces
       3   *
       4   * Author:
       5   *   Behdad Esfahbod, 2001, 2002, 2004
       6   *
       7   * Copyright (C) 2004 Sharif FarsiWeb, Inc.
       8   * Copyright (C) 2001,2002 Behdad Esfahbod
       9   * 
      10   * This library is free software; you can redistribute it and/or
      11   * modify it under the terms of the GNU Lesser General Public
      12   * License as published by the Free Software Foundation; either
      13   * version 2.1 of the License, or (at your option) any later version.
      14   * 
      15   * This library is distributed in the hope that it will be useful,
      16   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      17   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      18   * Lesser General Public License for more details.
      19   * 
      20   * You should have received a copy of the GNU Lesser General Public License
      21   * along with this library, in a file named COPYING; if not, write to the
      22   * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      23   * Boston, MA 02110-1301, USA
      24   *
      25   * For licensing issues, contact <fribidi.license@gmail.com>.
      26   */
      27  #ifndef _DEBUG_H
      28  #define _DEBUG_H
      29  
      30  #include "common.h"
      31  
      32  #include <fribidi-types.h>
      33  
      34  #include <fribidi-begindecls.h>
      35  
      36  #ifdef DEBUG
      37  
      38  /* These definitions should only be used in DEBUG mode: */
      39  #ifndef __LINE__
      40  # define __LINE__ 0
      41  #endif /* !__LINE__ */
      42  #ifndef __FILE__
      43  # define __FILE__ "unknown"
      44  #endif /* !__FILE__ */
      45  
      46  #ifndef FRIBIDI_FPRINTF
      47  # ifndef __FRIBIDI_DOC
      48  #  include <stdio.h>
      49  # endif	/* !__FRIBIDI_DOC */
      50  # define FRIBIDI_FPRINTF fprintf
      51  # define FRIBIDI_STDERR_ stderr,
      52  #endif /* !FRIBIDI_FPRINTF */
      53  
      54  #ifndef MSG
      55  #define MSG(s) \
      56  	FRIBIDI_BEGIN_STMT \
      57  	FRIBIDI_FPRINTF(FRIBIDI_STDERR_ s); \
      58  	FRIBIDI_END_STMT
      59  #define MSG2(s, t) \
      60  	FRIBIDI_BEGIN_STMT \
      61  	FRIBIDI_FPRINTF(FRIBIDI_STDERR_ s, t); \
      62  	FRIBIDI_END_STMT
      63  #define MSG3(s, t, u) \
      64  	FRIBIDI_BEGIN_STMT \
      65  	FRIBIDI_FPRINTF(FRIBIDI_STDERR_ s, t, u); \
      66  	FRIBIDI_END_STMT
      67  #define MSG5(s, t, u, v, w) \
      68  	FRIBIDI_BEGIN_STMT \
      69  	FRIBIDI_FPRINTF(FRIBIDI_STDERR_ s, t, u, v, w); \
      70  	FRIBIDI_END_STMT
      71  #define MSG6(s, t, u, v, w, z)                    \
      72  	FRIBIDI_BEGIN_STMT \
      73  	FRIBIDI_FPRINTF(FRIBIDI_STDERR_ s, t, u, v, w, z);        \
      74  	FRIBIDI_END_STMT
      75  #endif /* !MSG */
      76  
      77  #ifndef DBG
      78  # define DBG(s) \
      79  	FRIBIDI_BEGIN_STMT \
      80  	if (fribidi_debug_status()) { MSG(FRIBIDI ": " s "\n"); } \
      81  	FRIBIDI_END_STMT
      82  # define DBG2(s, t) \
      83  	FRIBIDI_BEGIN_STMT \
      84  	if (fribidi_debug_status()) { MSG2(FRIBIDI ": " s "\n", t); } \
      85  	FRIBIDI_END_STMT
      86  #endif /* !DBG */
      87  
      88  #ifndef fribidi_assert
      89  # define fribidi_assert(cond) \
      90  	FRIBIDI_BEGIN_STMT \
      91  	if (!(cond)) { \
      92  		DBG(__FILE__ ":" STRINGIZE(__LINE__) ": " \
      93  		    "assertion failed (" STRINGIZE(cond) ")"); \
      94  	} \
      95  	FRIBIDI_END_STMT
      96  #endif /* !fribidi_assert */
      97  
      98  #else /* !DEBUG */
      99  
     100  #ifndef DBG
     101  # define DBG(s)			FRIBIDI_EMPTY_STMT
     102  # define DBG2(s, t)		FRIBIDI_EMPTY_STMT
     103  #endif /* !DBG */
     104  #ifndef fribidi_assert
     105  # define fribidi_assert(cond)	FRIBIDI_EMPTY_STMT
     106  #endif /* !fribidi_assert */
     107  
     108  #endif /* !DEBUG */
     109  
     110  #include <fribidi-enddecls.h>
     111  
     112  #endif /* !_DEBUG_H */
     113  /* Editor directions:
     114   * vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
     115   */