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, Inc., 59 Temple Place, Suite 330,
  20  * Boston, MA 02111-1307 USA
  21  *
  22  * As a special exception, the Free Software Foundation gives permission
  23  * for additional uses of the text contained in its release of GUILE.
  24  *
  25  * The exception is that, if you link the GUILE library with other files
  26  * to produce an executable, this does not by itself cause the
  27  * resulting executable to be covered by the GNU General Public License.
  28  * Your use of that executable is in no way restricted on account of
  29  * linking the GUILE library code into it.
  30  *
  31  * This exception does not however invalidate any other reasons why
  32  * the executable file might be covered by the GNU General Public License.
  33  *
  34  * This exception applies only to the code released by the
  35  * Free Software Foundation under the name GUILE.  If you copy
  36  * code from other Free Software Foundation releases into a copy of
  37  * GUILE, as the General Public License permits, the exception does
  38  * not apply to the code that you add in this way.  To avoid misleading
  39  * anyone as to the status of such modified files, you must delete
  40  * this exception notice from them.
  41  *
  42  * If you write modifications of your own for GUILE, it is your choice
  43  * whether to permit this exception to apply to your modifications.
  44  * If you do not wish that, delete this exception notice.  */
  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 extern void scm_error SCM_P ((SCM key, char *subr, char *message,
  63                               SCM args, SCM rest)) SCM_NORETURN;
  64 extern void (*scm_error_callback) SCM_P ((SCM key, char *subr,
  65                                           char *message, SCM args, SCM rest));
  66 extern SCM scm_error_scm SCM_P ((SCM key, SCM subr, SCM message,
  67                               SCM args, SCM rest)) SCM_NORETURN;
  68 extern void scm_syserror SCM_P ((char *subr)) SCM_NORETURN;
  69 extern void scm_syserror_msg SCM_P ((char *subr, char *message, SCM args,
  70                                      int eno)) SCM_NORETURN;
  71 extern void scm_sysmissing SCM_P ((char *subr)) SCM_NORETURN;
  72 extern void scm_num_overflow SCM_P ((char *subr)) SCM_NORETURN;
  73 extern void scm_out_of_range SCM_P ((char *subr, SCM bad_value)) SCM_NORETURN;
  74 extern void scm_wrong_num_args SCM_P ((SCM proc)) SCM_NORETURN;
  75 extern void scm_wrong_type_arg SCM_P ((char *subr, int pos, SCM bad_value))
  76                                      SCM_NORETURN;
  77 extern void scm_memory_error SCM_P ((char *subr)) SCM_NORETURN;
  78 extern void scm_misc_error SCM_P ((char *subr, char *message, SCM args))
  79                                  SCM_NORETURN;
  80 extern SCM scm_wta SCM_P ((SCM arg, char *pos, char *s_subr));
  81 extern void scm_init_error SCM_P ((void));
  82
  83 #endif  /* ERRORH */