mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 20:00:19 +02:00
26a4f923bc
scm_misc_error when pos is a string. This allows for dispatching arbitrary error messages with one argument via SCM_ASSERT: SCM_ASSERT (<cond>, obj, "Undigestable object: %S", <subr>);
303 lines
7.6 KiB
C
303 lines
7.6 KiB
C
/* Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
|
||
*
|
||
* 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, 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 software; see the file COPYING. If not, write to
|
||
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||
* Boston, MA 02111-1307 USA
|
||
*
|
||
* As a special exception, the Free Software Foundation gives permission
|
||
* for additional uses of the text contained in its release of GUILE.
|
||
*
|
||
* The exception is that, if you link the GUILE library with other files
|
||
* to produce an executable, this does not by itself cause the
|
||
* resulting executable to be covered by the GNU General Public License.
|
||
* Your use of that executable is in no way restricted on account of
|
||
* linking the GUILE library code into it.
|
||
*
|
||
* This exception does not however invalidate any other reasons why
|
||
* the executable file might be covered by the GNU General Public License.
|
||
*
|
||
* This exception applies only to the code released by the
|
||
* Free Software Foundation under the name GUILE. If you copy
|
||
* code from other Free Software Foundation releases into a copy of
|
||
* GUILE, as the General Public License permits, the exception does
|
||
* not apply to the code that you add in this way. To avoid misleading
|
||
* anyone as to the status of such modified files, you must delete
|
||
* this exception notice from them.
|
||
*
|
||
* If you write modifications of your own for GUILE, it is your choice
|
||
* whether to permit this exception to apply to your modifications.
|
||
* If you do not wish that, delete this exception notice. */
|
||
|
||
|
||
#include <stdio.h>
|
||
#include "_scm.h"
|
||
#include "pairs.h"
|
||
#include "genio.h"
|
||
#include "throw.h"
|
||
|
||
#include "error.h"
|
||
|
||
#ifdef HAVE_UNISTD_H
|
||
#include <unistd.h>
|
||
#endif
|
||
|
||
|
||
|
||
/* {Errors and Exceptional Conditions}
|
||
*/
|
||
|
||
|
||
extern int errno;
|
||
|
||
/* All errors should pass through here. */
|
||
void
|
||
scm_error (key, subr, message, args, rest)
|
||
SCM key;
|
||
const char *subr;
|
||
const char *message;
|
||
SCM args;
|
||
SCM rest;
|
||
{
|
||
SCM arg_list;
|
||
arg_list = scm_listify (subr ? scm_makfrom0str (subr) : SCM_BOOL_F,
|
||
message ? scm_makfrom0str (message) : SCM_BOOL_F,
|
||
args,
|
||
rest,
|
||
SCM_UNDEFINED);
|
||
scm_ithrow (key, arg_list, 1);
|
||
|
||
/* No return, but just in case: */
|
||
|
||
write (2, "unhandled system error\n",
|
||
sizeof ("unhandled system error\n") - 1);
|
||
exit (1);
|
||
}
|
||
|
||
/* Scheme interface to scm_error. */
|
||
SCM_PROC(s_error_scm, "scm-error", 5, 0, 0, scm_error_scm);
|
||
SCM
|
||
scm_error_scm (key, subr, message, args, rest)
|
||
SCM key;
|
||
SCM subr;
|
||
SCM message;
|
||
SCM args;
|
||
SCM rest;
|
||
{
|
||
SCM_ASSERT (SCM_NIMP (key) && SCM_SYMBOLP (key), key, SCM_ARG1, s_error_scm);
|
||
SCM_ASSERT (SCM_FALSEP (subr) || (SCM_NIMP (subr) && SCM_ROSTRINGP (subr)),
|
||
subr, SCM_ARG2, s_error_scm);
|
||
SCM_ASSERT (SCM_FALSEP (message)
|
||
|| (SCM_NIMP (message) && SCM_ROSTRINGP (message)),
|
||
message, SCM_ARG3, s_error_scm);
|
||
|
||
SCM_COERCE_SUBSTR (message);
|
||
|
||
scm_error (key,
|
||
(SCM_FALSEP (subr)) ? NULL : SCM_ROCHARS (subr),
|
||
(SCM_FALSEP (message)) ? NULL : SCM_ROCHARS (message),
|
||
args,
|
||
rest);
|
||
/* not reached. */
|
||
}
|
||
|
||
SCM_PROC (s_strerror, "strerror", 1, 0, 0, scm_strerror);
|
||
SCM
|
||
scm_strerror (SCM err)
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (err), err, SCM_ARG1, s_strerror);
|
||
return scm_makfrom0str (strerror (SCM_INUM (err)));
|
||
}
|
||
|
||
SCM_SYMBOL (scm_system_error_key, "system-error");
|
||
void
|
||
scm_syserror (subr)
|
||
const char *subr;
|
||
{
|
||
scm_error (scm_system_error_key,
|
||
subr,
|
||
"%s",
|
||
scm_listify (scm_makfrom0str (strerror (errno)),
|
||
SCM_UNDEFINED),
|
||
scm_listify (SCM_MAKINUM (errno), SCM_UNDEFINED));
|
||
}
|
||
|
||
void
|
||
scm_syserror_msg (subr, message, args, eno)
|
||
const char *subr;
|
||
const char *message;
|
||
SCM args;
|
||
int eno;
|
||
{
|
||
scm_error (scm_system_error_key,
|
||
subr,
|
||
message,
|
||
args,
|
||
scm_listify (SCM_MAKINUM (eno), SCM_UNDEFINED));
|
||
}
|
||
|
||
void
|
||
scm_sysmissing (subr)
|
||
const char *subr;
|
||
{
|
||
#ifdef ENOSYS
|
||
scm_error (scm_system_error_key,
|
||
subr,
|
||
"%s",
|
||
scm_listify (scm_makfrom0str (strerror (ENOSYS)), SCM_UNDEFINED),
|
||
scm_listify (SCM_MAKINUM (ENOSYS), SCM_UNDEFINED));
|
||
#else
|
||
scm_error (scm_system_error_key,
|
||
subr,
|
||
"Missing function",
|
||
SCM_BOOL_F,
|
||
scm_listify (SCM_MAKINUM (0), SCM_UNDEFINED));
|
||
#endif
|
||
}
|
||
|
||
SCM_SYMBOL (scm_num_overflow_key, "numerical-overflow");
|
||
void
|
||
scm_num_overflow (subr)
|
||
const char *subr;
|
||
{
|
||
scm_error (scm_num_overflow_key,
|
||
subr,
|
||
"Numerical overflow",
|
||
SCM_BOOL_F,
|
||
SCM_BOOL_F);
|
||
}
|
||
|
||
SCM_SYMBOL (scm_out_of_range_key, "out-of-range");
|
||
void
|
||
scm_out_of_range (subr, bad_value)
|
||
const char *subr;
|
||
SCM bad_value;
|
||
{
|
||
scm_error (scm_out_of_range_key,
|
||
subr,
|
||
"Argument out of range: %S",
|
||
scm_listify (bad_value, SCM_UNDEFINED),
|
||
SCM_BOOL_F);
|
||
}
|
||
|
||
SCM_SYMBOL (scm_args_number_key, "wrong-number-of-args");
|
||
void
|
||
scm_wrong_num_args (proc)
|
||
SCM proc;
|
||
{
|
||
scm_error (scm_args_number_key,
|
||
NULL,
|
||
"Wrong number of arguments to %s",
|
||
scm_listify (proc, SCM_UNDEFINED),
|
||
SCM_BOOL_F);
|
||
}
|
||
|
||
SCM_SYMBOL (scm_arg_type_key, "wrong-type-arg");
|
||
void
|
||
scm_wrong_type_arg (subr, pos, bad_value)
|
||
const char *subr;
|
||
int pos;
|
||
SCM bad_value;
|
||
{
|
||
scm_error (scm_arg_type_key,
|
||
subr,
|
||
(pos == 0) ? "Wrong type argument: %S"
|
||
: "Wrong type argument in position %s: %S",
|
||
(pos == 0) ? scm_listify (bad_value, SCM_UNDEFINED)
|
||
: scm_listify (SCM_MAKINUM (pos), bad_value, SCM_UNDEFINED),
|
||
SCM_BOOL_F);
|
||
}
|
||
|
||
SCM_SYMBOL (scm_memory_alloc_key, "memory-allocation-error");
|
||
void
|
||
scm_memory_error (subr)
|
||
const char *subr;
|
||
{
|
||
scm_error (scm_memory_alloc_key,
|
||
subr,
|
||
"Memory allocation error",
|
||
SCM_BOOL_F,
|
||
SCM_BOOL_F);
|
||
}
|
||
|
||
SCM_SYMBOL (scm_misc_error_key, "misc-error");
|
||
void
|
||
scm_misc_error (subr, message, args)
|
||
const char *subr;
|
||
const char *message;
|
||
SCM args;
|
||
{
|
||
scm_error (scm_misc_error_key, subr, message, args, SCM_BOOL_F);
|
||
}
|
||
|
||
/* implements the SCM_ASSERT interface. */
|
||
SCM
|
||
scm_wta (arg, pos, s_subr)
|
||
SCM arg;
|
||
const char *pos;
|
||
const char *s_subr;
|
||
{
|
||
if (!s_subr || !*s_subr)
|
||
s_subr = NULL;
|
||
if ((~0x1fL) & (long) pos)
|
||
{
|
||
/* error string supplied. */
|
||
scm_misc_error (s_subr, pos, SCM_LIST1 (arg));
|
||
}
|
||
else
|
||
{
|
||
/* numerical error code. */
|
||
int error = (long) pos;
|
||
|
||
switch (error)
|
||
{
|
||
case SCM_ARGn:
|
||
scm_wrong_type_arg (s_subr, 0, arg);
|
||
case SCM_ARG1:
|
||
scm_wrong_type_arg (s_subr, 1, arg);
|
||
case SCM_ARG2:
|
||
scm_wrong_type_arg (s_subr, 2, arg);
|
||
case SCM_ARG3:
|
||
scm_wrong_type_arg (s_subr, 3, arg);
|
||
case SCM_ARG4:
|
||
scm_wrong_type_arg (s_subr, 4, arg);
|
||
case SCM_ARG5:
|
||
scm_wrong_type_arg (s_subr, 5, arg);
|
||
case SCM_ARG6:
|
||
scm_wrong_type_arg (s_subr, 6, arg);
|
||
case SCM_ARG7:
|
||
scm_wrong_type_arg (s_subr, 7, arg);
|
||
case SCM_WNA:
|
||
scm_wrong_num_args (arg);
|
||
case SCM_OUTOFRANGE:
|
||
scm_out_of_range (s_subr, arg);
|
||
case SCM_NALLOC:
|
||
scm_memory_error (s_subr);
|
||
default:
|
||
/* this shouldn't happen. */
|
||
scm_misc_error (s_subr, "Unknown error", SCM_EOL);
|
||
}
|
||
}
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
/* obsolete interface: scm_everr (exp, env, arg, pos, s_subr)
|
||
was equivalent to scm_wta (arg, pos, s_subr) */
|
||
|
||
void
|
||
scm_init_error ()
|
||
{
|
||
#include "cpp_err_symbols.c"
|
||
#include "error.x"
|
||
}
|
||
|