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

/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 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.  */

\f

#include <stdio.h>
#include "libguile/_scm.h"
#include "libguile/procprop.h"
#include "libguile/root.h"

#include "libguile/gsubr.h"
#include "libguile/deprecation.h"
\f
/*
 * gsubr.c
 * Provide `gsubrs' -- subrs taking a prescribed number of required, optional,
 * and rest arguments.
 */

/* #define GSUBR_TEST */

SCM_GLOBAL_SYMBOL (scm_sym_name, "name");

SCM scm_f_gsubr_apply;

static SCM
create_gsubr (int define, const char *name, 
	      int req, int opt, int rst, SCM (*fcn)())
{
  SCM subr;

  switch (SCM_GSUBR_MAKTYPE (req, opt, rst))
    {
    case SCM_GSUBR_MAKTYPE(0, 0, 0):
      subr = scm_c_make_subr (name, scm_tc7_subr_0, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(1, 0, 0):
      subr = scm_c_make_subr (name, scm_tc7_subr_1, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(0, 1, 0):
      subr = scm_c_make_subr (name, scm_tc7_subr_1o, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(1, 1, 0):
      subr = scm_c_make_subr (name, scm_tc7_subr_2o, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(2, 0, 0):
      subr = scm_c_make_subr (name, scm_tc7_subr_2, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(3, 0, 0):
      subr = scm_c_make_subr (name, scm_tc7_subr_3, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(0, 0, 1):
      subr = scm_c_make_subr (name, scm_tc7_lsubr, fcn);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(2, 0, 1):
      subr = scm_c_make_subr (name, scm_tc7_lsubr_2, fcn);
    create_subr:
      if (define)
	scm_define (SCM_SUBR_ENTRY(subr).name, subr);
      return subr;
    default:
      {
	SCM cclo = scm_makcclo (scm_f_gsubr_apply, 3L);
	SCM subr = scm_c_make_subr (name, scm_tc7_subr_0, fcn);
	SCM sym = SCM_SUBR_ENTRY(subr).name;
	if (SCM_GSUBR_MAX < req + opt + rst)
	  {
	    fputs ("ERROR in scm_c_make_gsubr: too many args\n", stderr);
	    exit (1);
	  }
	SCM_SET_GSUBR_PROC (cclo, subr);
	SCM_SET_GSUBR_TYPE (cclo,
			    SCM_MAKINUM (SCM_GSUBR_MAKTYPE (req, opt, rst)));
#ifdef DEBUG_EXTENSIONS
	if (SCM_REC_PROCNAMES_P)
	  scm_set_procedure_property_x (cclo, scm_sym_name, sym);
#endif
	if (define)
	  scm_define (sym, cclo);
      return cclo;
      }
    }
}

SCM
scm_c_make_gsubr (const char *name, int req, int opt, int rst, SCM (*fcn)())
{
  return create_gsubr (0, name, req, opt, rst, fcn);
}

SCM
scm_c_define_gsubr (const char *name, int req, int opt, int rst, SCM (*fcn)())
{
  return create_gsubr (1, name, req, opt, rst, fcn);
}

static SCM
create_gsubr_with_generic (int define,
			   const char *name,
			   int req,
			   int opt,
			   int rst,
			   SCM (*fcn)(),
			   SCM *gf)
{
  SCM subr;

  switch (SCM_GSUBR_MAKTYPE(req, opt, rst))
    {
    case SCM_GSUBR_MAKTYPE(0, 0, 0):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_0, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(1, 0, 0):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_1, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(0, 1, 0):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_1o, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(1, 1, 0):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_2o, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(2, 0, 0):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_2, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(3, 0, 0):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_3, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(0, 0, 1):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_lsubr, fcn, gf);
      goto create_subr;
    case SCM_GSUBR_MAKTYPE(2, 0, 1):
      subr = scm_c_make_subr_with_generic (name, scm_tc7_lsubr_2, fcn, gf);
    create_subr:
      if (define)
	scm_define (SCM_SUBR_ENTRY(subr).name, subr);
      return subr;
    default:
      ;
    }
  scm_misc_error ("scm_c_make_gsubr_with_generic",
		  "can't make primitive-generic with this arity",
		  SCM_EOL);
  return SCM_BOOL_F; /* never reached */
}

SCM
scm_c_make_gsubr_with_generic (const char *name,
			       int req,
			       int opt,
			       int rst,
			       SCM (*fcn)(),
			       SCM *gf)
{
  return create_gsubr_with_generic (0, name, req, opt, rst, fcn, gf);
}

SCM
scm_c_define_gsubr_with_generic (const char *name,
				 int req,
				 int opt,
				 int rst,
				 SCM (*fcn)(),
				 SCM *gf)
{
  return create_gsubr_with_generic (1, name, req, opt, rst, fcn, gf);
}


SCM
scm_gsubr_apply (SCM args)
#define FUNC_NAME "scm_gsubr_apply"
{
  SCM self = SCM_CAR (args);
  SCM (*fcn)() = SCM_SUBRF (SCM_GSUBR_PROC (self));
  SCM v[SCM_GSUBR_MAX];
  long typ = SCM_INUM (SCM_GSUBR_TYPE (self));
  long i, n = SCM_GSUBR_REQ (typ) + SCM_GSUBR_OPT (typ) + SCM_GSUBR_REST (typ);
#if 0
  if (n > SCM_GSUBR_MAX)
    scm_misc_error (FUNC_NAME, 
		    "Function ~S has illegal arity ~S.", 
		    scm_list_2 (self, SCM_MAKINUM (n)));
#endif
  args = SCM_CDR (args);
  for (i = 0; i < SCM_GSUBR_REQ (typ); i++) {
#ifndef SCM_RECKLESS
    if (SCM_NULLP (args))
      scm_wrong_num_args (SCM_SNAME (SCM_GSUBR_PROC (self)));
#endif
    v[i] = SCM_CAR(args);
    args = SCM_CDR(args);
  }
  for (; i < SCM_GSUBR_REQ (typ) + SCM_GSUBR_OPT (typ); i++) {
    if (SCM_NIMP (args)) {
      v[i] = SCM_CAR (args);
      args = SCM_CDR(args);
    }
    else
      v[i] = SCM_UNDEFINED;
  }
  if (SCM_GSUBR_REST(typ))
    v[i] = args;
  else if (!SCM_NULLP (args))
    scm_wrong_num_args (SCM_SNAME (SCM_GSUBR_PROC (self)));
  switch (n) {
  case 2: return (*fcn)(v[0], v[1]);
  case 3: return (*fcn)(v[0], v[1], v[2]);
  case 4: return (*fcn)(v[0], v[1], v[2], v[3]);
  case 5: return (*fcn)(v[0], v[1], v[2], v[3], v[4]);
  case 6: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5]);
  case 7: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6]);
  case 8: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7]);
  case 9: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8]);
  case 10: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9]);
  }
  return SCM_BOOL_F; /* Never reached. */
}
#undef FUNC_NAME


#ifdef GSUBR_TEST
/* A silly example, taking 2 required args, 1 optional, and
   a scm_list of rest args 
   */
SCM
gsubr_21l(SCM req1, SCM req2, SCM opt, SCM rst)
{
  scm_puts ("gsubr-2-1-l:\n req1: ", scm_cur_outp);
  scm_display(req1, scm_cur_outp);
  scm_puts ("\n req2: ", scm_cur_outp);
  scm_display(req2, scm_cur_outp);
  scm_puts ("\n opt: ", scm_cur_outp);
  scm_display(opt, scm_cur_outp);
  scm_puts ("\n rest: ", scm_cur_outp);
  scm_display(rst, scm_cur_outp);
  scm_newline(scm_cur_outp);
  return SCM_UNSPECIFIED;
}
#endif


void
scm_init_gsubr()
{
  scm_f_gsubr_apply = scm_c_make_subr ("gsubr-apply", scm_tc7_lsubr,
				       scm_gsubr_apply);
#ifdef GSUBR_TEST
  scm_c_define_gsubr ("gsubr-2-1-l", 2, 1, 1, gsubr_21l); /* example */
#endif

#ifndef SCM_MAGIC_SNARFER
#include "libguile/gsubr.x"
#endif
}

/*
  Local Variables:
  c-file-style: "gnu"
  End:
*/
Commit	Line	Data
dee01b01	1	/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 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	41
0f2d19dd JB	42	\f
	43
	44	#include <stdio.h>
a0599745 MD	45	#include "libguile/_scm.h"
	46	#include "libguile/procprop.h"
	47	#include "libguile/root.h"
0f2d19dd	48
a0599745	49	#include "libguile/gsubr.h"
1be6b49c	50	#include "libguile/deprecation.h"
0f2d19dd JB	51	\f
	52	/*
	53	* gsubr.c
	54	* Provide `gsubrs' -- subrs taking a prescribed number of required, optional,
	55	* and rest arguments.
	56	*/
	57
952bedad	58	/* #define GSUBR_TEST */
0f2d19dd	59
85db4a2c DH	60	SCM_GLOBAL_SYMBOL (scm_sym_name, "name");
85db4a2c DH	61
dc0938d8	62	SCM scm_f_gsubr_apply;
1cc91f1b	63
9d78586f MV	64	static SCM
	65	create_gsubr (int define, const char *name,
	66	int req, int opt, int rst, SCM (*fcn)())
0f2d19dd	67	{
9d78586f MV	68	SCM subr;
	69
	70	switch (SCM_GSUBR_MAKTYPE (req, opt, rst))
0f2d19dd	71	{
9d78586f MV	72	case SCM_GSUBR_MAKTYPE(0, 0, 0):
	73	subr = scm_c_make_subr (name, scm_tc7_subr_0, fcn);
	74	goto create_subr;
	75	case SCM_GSUBR_MAKTYPE(1, 0, 0):
	76	subr = scm_c_make_subr (name, scm_tc7_subr_1, fcn);
	77	goto create_subr;
	78	case SCM_GSUBR_MAKTYPE(0, 1, 0):
	79	subr = scm_c_make_subr (name, scm_tc7_subr_1o, fcn);
	80	goto create_subr;
	81	case SCM_GSUBR_MAKTYPE(1, 1, 0):
	82	subr = scm_c_make_subr (name, scm_tc7_subr_2o, fcn);
	83	goto create_subr;
	84	case SCM_GSUBR_MAKTYPE(2, 0, 0):
	85	subr = scm_c_make_subr (name, scm_tc7_subr_2, fcn);
	86	goto create_subr;
	87	case SCM_GSUBR_MAKTYPE(3, 0, 0):
	88	subr = scm_c_make_subr (name, scm_tc7_subr_3, fcn);
	89	goto create_subr;
	90	case SCM_GSUBR_MAKTYPE(0, 0, 1):
	91	subr = scm_c_make_subr (name, scm_tc7_lsubr, fcn);
	92	goto create_subr;
	93	case SCM_GSUBR_MAKTYPE(2, 0, 1):
	94	subr = scm_c_make_subr (name, scm_tc7_lsubr_2, fcn);
	95	create_subr:
	96	if (define)
	97	scm_define (SCM_SUBR_ENTRY(subr).name, subr);
	98	return subr;
	99	default:
	100	{
	101	SCM cclo = scm_makcclo (scm_f_gsubr_apply, 3L);
	102	SCM subr = scm_c_make_subr (name, scm_tc7_subr_0, fcn);
	103	SCM sym = SCM_SUBR_ENTRY(subr).name;
	104	if (SCM_GSUBR_MAX < req + opt + rst)
	105	{
	106	fputs ("ERROR in scm_c_make_gsubr: too many args\n", stderr);
	107	exit (1);
	108	}
	109	SCM_SET_GSUBR_PROC (cclo, subr);
	110	SCM_SET_GSUBR_TYPE (cclo,
	111	SCM_MAKINUM (SCM_GSUBR_MAKTYPE (req, opt, rst)));
abae3119	112	#ifdef DEBUG_EXTENSIONS
9d78586f MV	113	if (SCM_REC_PROCNAMES_P)
9d78586f MV	114	scm_set_procedure_property_x (cclo, scm_sym_name, sym);
abae3119	115	#endif
9d78586f MV	116	if (define)
9d78586f MV	117	scm_define (sym, cclo);
0f2d19dd	118	return cclo;
9d78586f	119	}
0f2d19dd	120	}
0f2d19dd JB	121	}
0f2d19dd JB	122
9de33deb	123	SCM
9d78586f	124	scm_c_make_gsubr (const char name, int req, int opt, int rst, SCM (fcn)())
9de33deb	125	{
9d78586f MV	126	return create_gsubr (0, name, req, opt, rst, fcn);
	127	}
	128
	129	SCM
	130	scm_c_define_gsubr (const char name, int req, int opt, int rst, SCM (fcn)())
	131	{
	132	return create_gsubr (1, name, req, opt, rst, fcn);
	133	}
	134
	135	static SCM
	136	create_gsubr_with_generic (int define,
	137	const char *name,
	138	int req,
	139	int opt,
	140	int rst,
	141	SCM (*fcn)(),
	142	SCM *gf)
	143	{
	144	SCM subr;
	145
	146	switch (SCM_GSUBR_MAKTYPE(req, opt, rst))
	147	{
	148	case SCM_GSUBR_MAKTYPE(0, 0, 0):
	149	subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_0, fcn, gf);
	150	goto create_subr;
	151	case SCM_GSUBR_MAKTYPE(1, 0, 0):
	152	subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_1, fcn, gf);
	153	goto create_subr;
	154	case SCM_GSUBR_MAKTYPE(0, 1, 0):
	155	subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_1o, fcn, gf);
	156	goto create_subr;
	157	case SCM_GSUBR_MAKTYPE(1, 1, 0):
	158	subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_2o, fcn, gf);
	159	goto create_subr;
	160	case SCM_GSUBR_MAKTYPE(2, 0, 0):
	161	subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_2, fcn, gf);
	162	goto create_subr;
	163	case SCM_GSUBR_MAKTYPE(3, 0, 0):
	164	subr = scm_c_make_subr_with_generic (name, scm_tc7_subr_3, fcn, gf);
	165	goto create_subr;
	166	case SCM_GSUBR_MAKTYPE(0, 0, 1):
	167	subr = scm_c_make_subr_with_generic (name, scm_tc7_lsubr, fcn, gf);
	168	goto create_subr;
	169	case SCM_GSUBR_MAKTYPE(2, 0, 1):
	170	subr = scm_c_make_subr_with_generic (name, scm_tc7_lsubr_2, fcn, gf);
	171	create_subr:
	172	if (define)
	173	scm_define (SCM_SUBR_ENTRY(subr).name, subr);
	174	return subr;
	175	default:
	176	;
	177	}
	178	scm_misc_error ("scm_c_make_gsubr_with_generic",
9de33deb MD	179	"can't make primitive-generic with this arity",
9de33deb MD	180	SCM_EOL);
4260a7fc	181	return SCM_BOOL_F; /* never reached */
9de33deb MD	182	}
9de33deb MD	183
9d78586f MV	184	SCM
	185	scm_c_make_gsubr_with_generic (const char *name,
	186	int req,
	187	int opt,
	188	int rst,
	189	SCM (*fcn)(),
	190	SCM *gf)
	191	{
	192	return create_gsubr_with_generic (0, name, req, opt, rst, fcn, gf);
	193	}
	194
	195	SCM
	196	scm_c_define_gsubr_with_generic (const char *name,
	197	int req,
	198	int opt,
	199	int rst,
	200	SCM (*fcn)(),
	201	SCM *gf)
	202	{
	203	return create_gsubr_with_generic (1, name, req, opt, rst, fcn, gf);
	204	}
	205
0f2d19dd	206
6fa73e72 GB	207	SCM
6fa73e72 GB	208	scm_gsubr_apply (SCM args)
a4bb4e6d	209	#define FUNC_NAME "scm_gsubr_apply"
0f2d19dd	210	{
1be6b49c ML	211	SCM self = SCM_CAR (args);
1be6b49c ML	212	SCM (*fcn)() = SCM_SUBRF (SCM_GSUBR_PROC (self));
a4bb4e6d	213	SCM v[SCM_GSUBR_MAX];
c014a02e ML	214	long typ = SCM_INUM (SCM_GSUBR_TYPE (self));
c014a02e ML	215	long i, n = SCM_GSUBR_REQ (typ) + SCM_GSUBR_OPT (typ) + SCM_GSUBR_REST (typ);
adc02cce	216	#if 0
a4bb4e6d DH	217	if (n > SCM_GSUBR_MAX)
	218	scm_misc_error (FUNC_NAME,
	219	"Function ~S has illegal arity ~S.",
1afff620	220	scm_list_2 (self, SCM_MAKINUM (n)));
adc02cce	221	#endif
1be6b49c ML	222	args = SCM_CDR (args);
1be6b49c ML	223	for (i = 0; i < SCM_GSUBR_REQ (typ); i++) {
cf7c17e9	224	#ifndef SCM_RECKLESS
a4bb4e6d DH	225	if (SCM_NULLP (args))
a4bb4e6d DH	226	scm_wrong_num_args (SCM_SNAME (SCM_GSUBR_PROC (self)));
0f2d19dd JB	227	#endif
	228	v[i] = SCM_CAR(args);
	229	args = SCM_CDR(args);
	230	}
1be6b49c ML	231	for (; i < SCM_GSUBR_REQ (typ) + SCM_GSUBR_OPT (typ); i++) {
	232	if (SCM_NIMP (args)) {
	233	v[i] = SCM_CAR (args);
0f2d19dd JB	234	args = SCM_CDR(args);
	235	}
	236	else
	237	v[i] = SCM_UNDEFINED;
	238	}
dc0938d8	239	if (SCM_GSUBR_REST(typ))
0f2d19dd	240	v[i] = args;
a4bb4e6d DH	241	else if (!SCM_NULLP (args))
a4bb4e6d DH	242	scm_wrong_num_args (SCM_SNAME (SCM_GSUBR_PROC (self)));
0f2d19dd	243	switch (n) {
0f2d19dd JB	244	case 2: return (*fcn)(v[0], v[1]);
	245	case 3: return (*fcn)(v[0], v[1], v[2]);
	246	case 4: return (*fcn)(v[0], v[1], v[2], v[3]);
	247	case 5: return (*fcn)(v[0], v[1], v[2], v[3], v[4]);
	248	case 6: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5]);
	249	case 7: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6]);
	250	case 8: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7]);
	251	case 9: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8]);
	252	case 10: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9]);
	253	}
4260a7fc	254	return SCM_BOOL_F; /* Never reached. */
0f2d19dd	255	}
a4bb4e6d	256	#undef FUNC_NAME
0f2d19dd JB	257
	258
	259	#ifdef GSUBR_TEST
	260	/* A silly example, taking 2 required args, 1 optional, and
	261	a scm_list of rest args
	262	*/
	263	SCM
1bbd0b84	264	gsubr_21l(SCM req1, SCM req2, SCM opt, SCM rst)
0f2d19dd	265	{
b7f3516f	266	scm_puts ("gsubr-2-1-l:\n req1: ", scm_cur_outp);
0f2d19dd	267	scm_display(req1, scm_cur_outp);
b7f3516f	268	scm_puts ("\n req2: ", scm_cur_outp);
0f2d19dd	269	scm_display(req2, scm_cur_outp);
b7f3516f	270	scm_puts ("\n opt: ", scm_cur_outp);
0f2d19dd	271	scm_display(opt, scm_cur_outp);
b7f3516f	272	scm_puts ("\n rest: ", scm_cur_outp);
0f2d19dd JB	273	scm_display(rst, scm_cur_outp);
	274	scm_newline(scm_cur_outp);
	275	return SCM_UNSPECIFIED;
	276	}
	277	#endif
	278
	279
0f2d19dd JB	280	void
0f2d19dd JB	281	scm_init_gsubr()
0f2d19dd	282	{
9d78586f MV	283	scm_f_gsubr_apply = scm_c_make_subr ("gsubr-apply", scm_tc7_lsubr,
9d78586f MV	284	scm_gsubr_apply);
0f2d19dd	285	#ifdef GSUBR_TEST
9d78586f	286	scm_c_define_gsubr ("gsubr-2-1-l", 2, 1, 1, gsubr_21l); /* example */
0f2d19dd	287	#endif
85db4a2c DH	288
	289	#ifndef SCM_MAGIC_SNARFER
	290	#include "libguile/gsubr.x"
	291	#endif
0f2d19dd	292	}
89e00824 ML	293
	294	/*
	295	Local Variables:
	296	c-file-style: "gnu"
	297	End:
	298	*/