libguile/error.h

   1 /* classes: h_files */
   2
   3 #ifndef ERRORH
   4 #define ERRORH
   5 /*      Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this software; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  * As a special exception, the Free Software Foundation gives permission
  22  * for additional uses of the text contained in its release of GUILE.
  23  *
  24  * The exception is that, if you link the GUILE library with other files
  25  * to produce an executable, this does not by itself cause the
  26  * resulting executable to be covered by the GNU General Public License.
  27  * Your use of that executable is in no way restricted on account of
  28  * linking the GUILE library code into it.
  29  *
  30  * This exception does not however invalidate any other reasons why
  31  * the executable file might be covered by the GNU General Public License.
  32  *
  33  * This exception applies only to the code released by the
  34  * Free Software Foundation under the name GUILE.  If you copy
  35  * code from other Free Software Foundation releases into a copy of
  36  * GUILE, as the General Public License permits, the exception does
  37  * not apply to the code that you add in this way.  To avoid misleading
  38  * anyone as to the status of such modified files, you must delete
  39  * this exception notice from them.
  40  *
  41  * If you write modifications of your own for GUILE, it is your choice
  42  * whether to permit this exception to apply to your modifications.
  43  * If you do not wish that, delete this exception notice.
  44  */
  45 \f
  46 #include "libguile/__scm.h"
  47
  48 \f
  49 extern int scm_ints_disabled;
  50
  51 \f
  52
  53 /* GCC can be told that a function doesn't return; this helps it do
  54    better error checking (for uninitialized variable use, for
  55    example), and some optimization.  */
  56 #ifdef __GNUC__
  57 #define SCM_NORETURN __attribute__ ((noreturn))
  58 #else
  59 #define SCM_NORETURN
  60 #endif
  61
  62
  63 extern SCM scm_errno SCM_P ((SCM arg));
  64 extern SCM scm_perror SCM_P ((SCM arg));
  65 extern void scm_error SCM_P ((SCM key, char *subr, char *message,
  66                               SCM args, SCM rest)) SCM_NORETURN;
  67 extern void (*scm_error_callback) SCM_P ((SCM key, char *subr,
  68                                           char *message, SCM args, SCM rest));
  69 extern void scm_syserror SCM_P ((char *subr)) SCM_NORETURN;
  70 extern void scm_syserror_msg SCM_P ((char *subr, char *message, SCM args,
  71                                      int eno)) SCM_NORETURN;
  72 extern void scm_sysmissing SCM_P ((char *subr)) SCM_NORETURN;
  73 extern void scm_num_overflow SCM_P ((char *subr)) SCM_NORETURN;
  74 extern void scm_out_of_range SCM_P ((char *subr, SCM bad_value)) SCM_NORETURN;
  75 extern void scm_wrong_num_args SCM_P ((SCM proc)) SCM_NORETURN;
  76 extern void scm_wrong_type_arg SCM_P ((char *subr, int pos, SCM bad_value))
  77                                      SCM_NORETURN;
  78 extern void scm_memory_error SCM_P ((char *subr)) SCM_NORETURN;
  79 extern void scm_misc_error SCM_P ((char *subr, char *message, SCM args))
  80                                  SCM_NORETURN;
  81 extern SCM scm_wta SCM_P ((SCM arg, char *pos, char *s_subr));
  82 extern void scm_init_error SCM_P ((void));
  83
  84 #endif  /* ERRORH */