[bpt/guile.git] / libguile / error.c

/*	Copyright (C) 1995,1996,1997,1998, 2000 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.  */

/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
   gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */

\f

#include <stdio.h>

#include "libguile/_scm.h"
#include "libguile/pairs.h"
#include "libguile/strings.h"
#include "libguile/throw.h"

#include "libguile/validate.h"
#include "libguile/error.h"

#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
\f

\f
/* {Errors and Exceptional Conditions}
 */


extern int errno;

/* All errors should pass through here.  */
void
scm_error (SCM key, const char *subr, const char *message, SCM args, SCM rest)
{
  SCM arg_list;
  if (scm_gc_running_p)
    {
      /* The error occured during GC --- abort */
      fprintf (stderr, "Error in %s during GC: %s\n",
	       subr ? subr : "unknown function",
	       message ? message : "<empty message>");
      abort ();
    }
  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: */
  {
    const char msg[] = "guile:scm_error:scm_ithrow returned!\n";

    write (2, msg, (sizeof msg) - 1);
  }
  exit (1);
}

/* Scheme interface to scm_error.  */
SCM_DEFINE (scm_error_scm, "scm-error", 5, 0, 0, 
           (SCM key, SCM subr, SCM message, SCM args, SCM rest),
	    "Raise an error with key @var{key}.  @var{subr} can be a string naming\n"
	    "the procedure associated with the error, or @code{#f}.  @var{message}\n"
	    "is the error message string, possibly containing @code{~S} and @code{~A}\n"
	    "escapes.  When an error is reported, these are replaced by formating the\n"
	    "corresponding members of @var{args}: @code{~A} (was @code{%s}) formats using @code{display}\n"
	    "and @code{~S} (was @code{%S}) formats using @code{write}.  @var{data} is a\n"
	    "list or @code{#f} depending on @var{key}: if @var{key} is\n"
	    "@code{system-error} then it should be a list\n"
	    "containing the Unix @code{errno} value;  If @var{key} is @code{signal} then\n"
	    "it should be a list containing the Unix signal number; otherwise it\n"
	    "will usually be @code{#f}.")
#define FUNC_NAME s_scm_error_scm
{
  char *szSubr;
  char *szMessage;

  SCM_VALIDATE_SYMBOL (1, key);

  if (SCM_FALSEP (subr))
    {
      szSubr = NULL;
    }
  else if (SCM_SYMBOLP (subr))
    {
      szSubr = SCM_SYMBOL_CHARS (subr);
    }
  else
    {
      SCM_VALIDATE_STRING (2, subr);
      SCM_STRING_COERCE_0TERMINATION_X (subr);
      szSubr = SCM_STRING_CHARS (subr);
    }

  if (SCM_FALSEP (message))
    {
      szMessage = NULL;
    }
  else
    {
      SCM_VALIDATE_STRING (2, message);
      SCM_STRING_COERCE_0TERMINATION_X (message);
      szMessage = SCM_STRING_CHARS (message);
    }

  scm_error (key, szSubr, szMessage, args, rest);
  /* not reached.  */
}
#undef FUNC_NAME

SCM_DEFINE (scm_strerror, "strerror", 1, 0, 0, 
            (SCM err),
	    "Returns the Unix error message corresponding to @var{err}, an integer.")
#define FUNC_NAME s_scm_strerror
{
  SCM_VALIDATE_INUM (1,err);
  return scm_makfrom0str (strerror (SCM_INUM (err)));
}
#undef FUNC_NAME

SCM_SYMBOL (scm_system_error_key, "system-error");
void
scm_syserror (const char *subr)
{
  int save_errno = errno;
  
  scm_error (scm_system_error_key,
	     subr,
	     "~A",
	     scm_cons (scm_makfrom0str (strerror (save_errno)), SCM_EOL),
	     scm_cons (SCM_MAKINUM (save_errno), SCM_EOL));
}

void
scm_syserror_msg (const char *subr, const char *message, SCM args, int eno)
{
  scm_error (scm_system_error_key,
	     subr,
	     message,
	     args,
	     scm_cons (SCM_MAKINUM (eno), SCM_EOL));
}


#if (SCM_DEBUG_DEPRECATED == 0)

/* scm_sysmissing is no longer used in libguile.  it can probably be
   removed after a release or two.  there's a comment in NEWS about it
   (2000-01-09).  */
void
scm_sysmissing (const char *subr)
{
#ifdef ENOSYS
  scm_error (scm_system_error_key,
	     subr,
	     "~A",
	     scm_cons (scm_makfrom0str (strerror (ENOSYS)), SCM_EOL),
	     scm_cons (SCM_MAKINUM (ENOSYS), SCM_EOL));
#else
  scm_error (scm_system_error_key,
	     subr,
	     "Missing function",
	     SCM_BOOL_F,
	     scm_cons (SCM_MAKINUM (0), SCM_EOL));
#endif
}

#endif  /* SCM_DEBUG_DEPRECATED == 0 */


SCM_SYMBOL (scm_num_overflow_key, "numerical-overflow");
void
scm_num_overflow (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 (const char *subr, SCM bad_value)
{
  scm_error (scm_out_of_range_key,
	     subr,
	     "Argument out of range: ~S",
             SCM_LIST1(bad_value),
	     SCM_BOOL_F);
}

void
scm_out_of_range_pos (const char *subr, SCM bad_value, SCM pos)
{
  scm_error (scm_out_of_range_key,
	     subr,
	     "Argument ~S out of range: ~S",
             SCM_LIST2(pos,bad_value),
	     SCM_BOOL_F);
}


SCM_SYMBOL (scm_args_number_key, "wrong-number-of-args");
void
scm_wrong_num_args (SCM proc)
{
  scm_error (scm_args_number_key,
	     NULL,
	     "Wrong number of arguments to ~A",
	     SCM_LIST1(proc),
	     SCM_BOOL_F);
}

SCM_SYMBOL (scm_arg_type_key, "wrong-type-arg");
void
scm_wrong_type_arg (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 ~A: ~S",
	     (pos == 0) ? SCM_LIST1(bad_value)
	     : SCM_LIST2(SCM_MAKINUM(pos), bad_value),
	     SCM_BOOL_F);
}

void
scm_wrong_type_arg_msg (const char *subr, int pos, SCM bad_value, const char *szMessage)
{
  SCM msg = scm_makfrom0str(szMessage);
  if (pos == 0) {
    scm_error (scm_arg_type_key,
               subr, "Wrong type argument (expecting ~A): ~S",
               SCM_LIST2(msg,bad_value),
               SCM_BOOL_F);
  } else {
    scm_error (scm_arg_type_key,
               subr,
               "Wrong type argument in position ~A (expecting ~A): ~S",
               SCM_LIST3(SCM_MAKINUM(pos),msg,bad_value),
               SCM_BOOL_F);
  }
}


SCM_SYMBOL (scm_memory_alloc_key, "memory-allocation-error");
void
scm_memory_error (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 (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 (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);

#if (SCM_DEBUG_DEPRECATED == 0)

	case SCM_OUTOFRANGE:
	  scm_out_of_range (s_subr, arg);
	case SCM_NALLOC:
	  scm_memory_error (s_subr);

#endif  /* SCM_DEBUG_DEPRECATED == 0 */

	default:
	  /* this shouldn't happen.  */
	  scm_misc_error (s_subr, "Unknown error", SCM_EOL);
	}
    }
  return SCM_UNSPECIFIED;
}

void
scm_init_error ()
{
#include "libguile/cpp_err_symbols.c"
#ifndef SCM_MAGIC_SNARFER
#include "libguile/error.x"
#endif
}


/*
  Local Variables:
  c-file-style: "gnu"
  End:
*/
Commit	Line	Data
ef18914a	1	/* Copyright (C) 1995,1996,1997,1998, 2000 Free Software Foundation, Inc.
0f2d19dd JB	2	*
	3	* This program is free software; you can redistribute it and/or modify
	4	* it under the terms of the GNU General Public License as published by
	5	* the Free Software Foundation; either version 2, or (at your option)
	6	* any later version.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this software; see the file COPYING. If not, write to
82892bed JB	15	* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
82892bed JB	16	* Boston, MA 02111-1307 USA
0f2d19dd JB	17	*
	18	* As a special exception, the Free Software Foundation gives permission
	19	* for additional uses of the text contained in its release of GUILE.
	20	*
	21	* The exception is that, if you link the GUILE library with other files
	22	* to produce an executable, this does not by itself cause the
	23	* resulting executable to be covered by the GNU General Public License.
	24	* Your use of that executable is in no way restricted on account of
	25	* linking the GUILE library code into it.
	26	*
	27	* This exception does not however invalidate any other reasons why
	28	* the executable file might be covered by the GNU General Public License.
	29	*
	30	* This exception applies only to the code released by the
	31	* Free Software Foundation under the name GUILE. If you copy
	32	* code from other Free Software Foundation releases into a copy of
	33	* GUILE, as the General Public License permits, the exception does
	34	* not apply to the code that you add in this way. To avoid misleading
	35	* anyone as to the status of such modified files, you must delete
	36	* this exception notice from them.
	37	*
	38	* If you write modifications of your own for GUILE, it is your choice
	39	* whether to permit this exception to apply to your modifications.
82892bed	40	* If you do not wish that, delete this exception notice. */
1bbd0b84 GB	41
	42	/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
	43	gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
	44
0f2d19dd JB	45	\f
	46
	47	#include <stdio.h>
bd9e24b3	48
a0599745 MD	49	#include "libguile/_scm.h"
	50	#include "libguile/pairs.h"
	51	#include "libguile/strings.h"
	52	#include "libguile/throw.h"
20e6290e	53
a0599745 MD	54	#include "libguile/validate.h"
a0599745 MD	55	#include "libguile/error.h"
0f2d19dd	56
bd9e24b3 GH	57	#ifdef HAVE_STRING_H
	58	#include <string.h>
	59	#endif
95b88819 GH	60	#ifdef HAVE_UNISTD_H
	61	#include <unistd.h>
	62	#endif
0f2d19dd JB	63	\f
	64
	65	\f
	66	/* {Errors and Exceptional Conditions}
	67	*/
	68
0f2d19dd	69
0f2d19dd	70	extern int errno;
f5bf2977	71
c37e0e55	72	/* All errors should pass through here. */
7cb1d4d3	73	void
1bbd0b84	74	scm_error (SCM key, const char subr, const char message, SCM args, SCM rest)
7cb1d4d3 GH	75	{
7cb1d4d3 GH	76	SCM arg_list;
406c7d90	77	if (scm_gc_running_p)
ef18914a MD	78	{
	79	/* The error occured during GC --- abort */
	80	fprintf (stderr, "Error in %s during GC: %s\n",
	81	subr ? subr : "unknown function",
	82	message ? message : "<empty message>");
	83	abort ();
	84	}
f5bf2977	85	arg_list = scm_listify (subr ? scm_makfrom0str (subr) : SCM_BOOL_F,
b59b97ba	86	message ? scm_makfrom0str (message) : SCM_BOOL_F,
7cb1d4d3 GH	87	args,
	88	rest,
	89	SCM_UNDEFINED);
	90	scm_ithrow (key, arg_list, 1);
	91
	92	/* No return, but just in case: */
5c11cc9d GH	93	{
5c11cc9d GH	94	const char msg[] = "guile:scm_error:scm_ithrow returned!\n";
7cb1d4d3	95
5c11cc9d GH	96	write (2, msg, (sizeof msg) - 1);
5c11cc9d GH	97	}
7cb1d4d3 GH	98	exit (1);
7cb1d4d3 GH	99	}
0f2d19dd	100
c37e0e55	101	/* Scheme interface to scm_error. */
3b3b36dd	102	SCM_DEFINE (scm_error_scm, "scm-error", 5, 0, 0,
1bbd0b84	103	(SCM key, SCM subr, SCM message, SCM args, SCM rest),
b380b885 MD	104	"Raise an error with key @var{key}. @var{subr} can be a string naming\n"
	105	"the procedure associated with the error, or @code{#f}. @var{message}\n"
	106	"is the error message string, possibly containing @code{~S} and @code{~A}\n"
	107	"escapes. When an error is reported, these are replaced by formating the\n"
	108	"corresponding members of @var{args}: @code{~A} (was @code{%s}) formats using @code{display}\n"
872e0c72	109	"and @code{~S} (was @code{%S}) formats using @code{write}. @var{data} is a\n"
b380b885 MD	110	"list or @code{#f} depending on @var{key}: if @var{key} is\n"
	111	"@code{system-error} then it should be a list\n"
	112	"containing the Unix @code{errno} value; If @var{key} is @code{signal} then\n"
	113	"it should be a list containing the Unix signal number; otherwise it\n"
	114	"will usually be @code{#f}.")
1bbd0b84	115	#define FUNC_NAME s_scm_error_scm
c37e0e55	116	{
1bbd0b84 GB	117	char *szSubr;
1bbd0b84 GB	118	char *szMessage;
a6d9e5ab DH	119
	120	SCM_VALIDATE_SYMBOL (1, key);
	121
	122	if (SCM_FALSEP (subr))
	123	{
	124	szSubr = NULL;
	125	}
	126	else if (SCM_SYMBOLP (subr))
	127	{
	128	szSubr = SCM_SYMBOL_CHARS (subr);
	129	}
	130	else
	131	{
	132	SCM_VALIDATE_STRING (2, subr);
	133	SCM_STRING_COERCE_0TERMINATION_X (subr);
	134	szSubr = SCM_STRING_CHARS (subr);
	135	}
	136
	137	if (SCM_FALSEP (message))
	138	{
	139	szMessage = NULL;
	140	}
	141	else
	142	{
	143	SCM_VALIDATE_STRING (2, message);
	144	SCM_STRING_COERCE_0TERMINATION_X (message);
	145	szMessage = SCM_STRING_CHARS (message);
	146	}
89958ad0	147
1bbd0b84	148	scm_error (key, szSubr, szMessage, args, rest);
c37e0e55 GH	149	/* not reached. */
c37e0e55 GH	150	}
1bbd0b84	151	#undef FUNC_NAME
c37e0e55	152
a1ec6916	153	SCM_DEFINE (scm_strerror, "strerror", 1, 0, 0,
1bbd0b84	154	(SCM err),
1de052a7	155	"Returns the Unix error message corresponding to @var{err}, an integer.")
1bbd0b84	156	#define FUNC_NAME s_scm_strerror
efb997f5	157	{
3b3b36dd	158	SCM_VALIDATE_INUM (1,err);
efb997f5 GH	159	return scm_makfrom0str (strerror (SCM_INUM (err)));
efb997f5 GH	160	}
1bbd0b84	161	#undef FUNC_NAME
efb997f5	162
523f5266	163	SCM_SYMBOL (scm_system_error_key, "system-error");
52859adf	164	void
1bbd0b84	165	scm_syserror (const char *subr)
52859adf	166	{
1de052a7 GH	167	int save_errno = errno;
1de052a7 GH	168
01f61221	169	scm_error (scm_system_error_key,
52859adf	170	subr,
70d63753	171	"~A",
1de052a7 GH	172	scm_cons (scm_makfrom0str (strerror (save_errno)), SCM_EOL),
1de052a7 GH	173	scm_cons (SCM_MAKINUM (save_errno), SCM_EOL));
52859adf GH	174	}
	175
	176	void
1bbd0b84	177	scm_syserror_msg (const char subr, const char message, SCM args, int eno)
52859adf	178	{
01f61221	179	scm_error (scm_system_error_key,
52859adf GH	180	subr,
	181	message,
	182	args,
5c11cc9d	183	scm_cons (SCM_MAKINUM (eno), SCM_EOL));
52859adf GH	184	}
52859adf GH	185
f5f2dcff DH	186
	187	#if (SCM_DEBUG_DEPRECATED == 0)
	188
f25f761d GH	189	/* scm_sysmissing is no longer used in libguile. it can probably be
	190	removed after a release or two. there's a comment in NEWS about it
	191	(2000-01-09). */
52859adf	192	void
1bbd0b84	193	scm_sysmissing (const char *subr)
52859adf GH	194	{
52859adf GH	195	#ifdef ENOSYS
01f61221	196	scm_error (scm_system_error_key,
52859adf	197	subr,
70d63753	198	"~A",
5c11cc9d GH	199	scm_cons (scm_makfrom0str (strerror (ENOSYS)), SCM_EOL),
5c11cc9d GH	200	scm_cons (SCM_MAKINUM (ENOSYS), SCM_EOL));
52859adf	201	#else
01f61221	202	scm_error (scm_system_error_key,
52859adf GH	203	subr,
	204	"Missing function",
	205	SCM_BOOL_F,
5c11cc9d	206	scm_cons (SCM_MAKINUM (0), SCM_EOL));
52859adf GH	207	#endif
	208	}
	209
f5f2dcff DH	210	#endif /* SCM_DEBUG_DEPRECATED == 0 */
	211
	212
523f5266	213	SCM_SYMBOL (scm_num_overflow_key, "numerical-overflow");
52859adf	214	void
1bbd0b84	215	scm_num_overflow (const char *subr)
52859adf	216	{
01f61221	217	scm_error (scm_num_overflow_key,
52859adf GH	218	subr,
	219	"Numerical overflow",
	220	SCM_BOOL_F,
	221	SCM_BOOL_F);
	222	}
	223
523f5266	224	SCM_SYMBOL (scm_out_of_range_key, "out-of-range");
52859adf	225	void
1bbd0b84	226	scm_out_of_range (const char *subr, SCM bad_value)
52859adf	227	{
01f61221	228	scm_error (scm_out_of_range_key,
52859adf	229	subr,
70d63753	230	"Argument out of range: ~S",
b6791b2e	231	SCM_LIST1(bad_value),
52859adf GH	232	SCM_BOOL_F);
52859adf GH	233	}
f5bf2977	234
1e76143f GB	235	void
	236	scm_out_of_range_pos (const char *subr, SCM bad_value, SCM pos)
	237	{
	238	scm_error (scm_out_of_range_key,
	239	subr,
70d63753	240	"Argument ~S out of range: ~S",
b6791b2e	241	SCM_LIST2(pos,bad_value),
1e76143f GB	242	SCM_BOOL_F);
	243	}
	244
	245
523f5266	246	SCM_SYMBOL (scm_args_number_key, "wrong-number-of-args");
0f2d19dd	247	void
1bbd0b84	248	scm_wrong_num_args (SCM proc)
f5bf2977	249	{
01f61221	250	scm_error (scm_args_number_key,
f5bf2977	251	NULL,
70d63753	252	"Wrong number of arguments to ~A",
b6791b2e	253	SCM_LIST1(proc),
f5bf2977 GH	254	SCM_BOOL_F);
	255	}
	256
523f5266	257	SCM_SYMBOL (scm_arg_type_key, "wrong-type-arg");
f5bf2977	258	void
1bbd0b84	259	scm_wrong_type_arg (const char *subr, int pos, SCM bad_value)
f5bf2977	260	{
01f61221	261	scm_error (scm_arg_type_key,
f5bf2977	262	subr,
70d63753 GB	263	(pos == 0) ? "Wrong type argument: ~S"
70d63753 GB	264	: "Wrong type argument in position ~A: ~S",
b6791b2e GB	265	(pos == 0) ? SCM_LIST1(bad_value)
b6791b2e GB	266	: SCM_LIST2(SCM_MAKINUM(pos), bad_value),
f5bf2977 GH	267	SCM_BOOL_F);
	268	}
	269
b6791b2e GB	270	void
	271	scm_wrong_type_arg_msg (const char subr, int pos, SCM bad_value, const char szMessage)
	272	{
	273	SCM msg = scm_makfrom0str(szMessage);
	274	if (pos == 0) {
	275	scm_error (scm_arg_type_key,
	276	subr, "Wrong type argument (expecting ~A): ~S",
	277	SCM_LIST2(msg,bad_value),
	278	SCM_BOOL_F);
	279	} else {
	280	scm_error (scm_arg_type_key,
	281	subr,
	282	"Wrong type argument in position ~A (expecting ~A): ~S",
	283	SCM_LIST3(SCM_MAKINUM(pos),msg,bad_value),
	284	SCM_BOOL_F);
	285	}
	286	}
	287
	288
523f5266	289	SCM_SYMBOL (scm_memory_alloc_key, "memory-allocation-error");
f5bf2977	290	void
1bbd0b84	291	scm_memory_error (const char *subr)
f5bf2977	292	{
01f61221	293	scm_error (scm_memory_alloc_key,
f5bf2977 GH	294	subr,
	295	"Memory allocation error",
	296	SCM_BOOL_F,
	297	SCM_BOOL_F);
	298	}
	299
523f5266 GH	300	SCM_SYMBOL (scm_misc_error_key, "misc-error");
523f5266 GH	301	void
1bbd0b84	302	scm_misc_error (const char subr, const char message, SCM args)
523f5266 GH	303	{
	304	scm_error (scm_misc_error_key, subr, message, args, SCM_BOOL_F);
	305	}
	306
f5bf2977 GH	307	/* implements the SCM_ASSERT interface. */
f5bf2977 GH	308	SCM
1bbd0b84	309	scm_wta (SCM arg, const char pos, const char s_subr)
f5bf2977 GH	310	{
	311	if (!s_subr \|\| !*s_subr)
	312	s_subr = NULL;
	313	if ((~0x1fL) & (long) pos)
	314	{
	315	/* error string supplied. */
26a4f923	316	scm_misc_error (s_subr, pos, SCM_LIST1 (arg));
f5bf2977 GH	317	}
	318	else
	319	{
	320	/* numerical error code. */
	321	int error = (long) pos;
	322
	323	switch (error)
	324	{
	325	case SCM_ARGn:
	326	scm_wrong_type_arg (s_subr, 0, arg);
	327	case SCM_ARG1:
	328	scm_wrong_type_arg (s_subr, 1, arg);
	329	case SCM_ARG2:
	330	scm_wrong_type_arg (s_subr, 2, arg);
	331	case SCM_ARG3:
	332	scm_wrong_type_arg (s_subr, 3, arg);
	333	case SCM_ARG4:
	334	scm_wrong_type_arg (s_subr, 4, arg);
	335	case SCM_ARG5:
	336	scm_wrong_type_arg (s_subr, 5, arg);
3d9352fb MD	337	case SCM_ARG6:
	338	scm_wrong_type_arg (s_subr, 6, arg);
	339	case SCM_ARG7:
	340	scm_wrong_type_arg (s_subr, 7, arg);
f5bf2977 GH	341	case SCM_WNA:
f5bf2977 GH	342	scm_wrong_num_args (arg);
b63a956d DH	343
	344	#if (SCM_DEBUG_DEPRECATED == 0)
	345
	346	case SCM_OUTOFRANGE:
	347	scm_out_of_range (s_subr, arg);
	348	case SCM_NALLOC:
	349	scm_memory_error (s_subr);
	350
	351	#endif /* SCM_DEBUG_DEPRECATED == 0 */
	352
f5bf2977 GH	353	default:
f5bf2977 GH	354	/* this shouldn't happen. */
b1edcd36	355	scm_misc_error (s_subr, "Unknown error", SCM_EOL);
f5bf2977 GH	356	}
	357	}
	358	return SCM_UNSPECIFIED;
	359	}
	360
0f2d19dd JB	361	void
0f2d19dd JB	362	scm_init_error ()
0f2d19dd	363	{
a0599745	364	#include "libguile/cpp_err_symbols.c"
8dc9439f	365	#ifndef SCM_MAGIC_SNARFER
a0599745	366	#include "libguile/error.x"
8dc9439f	367	#endif
0f2d19dd JB	368	}
0f2d19dd JB	369
89e00824 ML	370
	371	/*
	372	Local Variables:
	373	c-file-style: "gnu"
	374	End:
	375	*/