[bpt/guile.git] / libguile / smob.h

/* classes: h_files */

#ifndef SCM_SMOB_H
#define SCM_SMOB_H

/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2004, 2006, 2009,
 *   2010, 2011, 2012 Free Software Foundation, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

\f

#include "libguile/__scm.h"
#include "libguile/print.h"


\f
/* This is the internal representation of a smob type */

typedef struct scm_smob_descriptor
{
  char const *name;
  size_t size;
  SCM (*mark) (SCM);
  size_t (*free) (SCM);
  int (*print) (SCM exp, SCM port, scm_print_state *pstate);
  SCM (*equalp) (SCM, SCM);
  scm_t_subr apply;
  /* In 2.2 this field is renamed to "apply_trampoline".  */
  SCM apply_trampoline_objcode;
} scm_smob_descriptor;


#define SCM_SMOB_TYPE_MASK		0xffff
#define SCM_SMOB_TYPE_BITS(tc)		(tc)
#define SCM_TC2SMOBNUM(x)		(0x0ff & ((x) >> 8))
#define SCM_SMOBNUM(x)			(SCM_TC2SMOBNUM (SCM_CELL_TYPE (x)))
/* SCM_SMOBNAME can be 0 if name is missing */
#define SCM_SMOBNAME(smobnum)		(scm_smobs[smobnum].name)
#define SCM_SMOB_PREDICATE(tag, obj)	SCM_TYP16_PREDICATE (tag, obj)
#define SCM_SMOB_DESCRIPTOR(x)		(scm_smobs[SCM_SMOBNUM (x)])
#define SCM_SMOB_APPLICABLE_P(x)	(SCM_SMOB_DESCRIPTOR (x).apply)

/* Maximum number of SMOB types.  */
#define SCM_I_MAX_SMOB_TYPE_COUNT  256

SCM_API long scm_numsmob;
SCM_API scm_smob_descriptor scm_smobs[];


\f

SCM_API SCM scm_i_new_smob (scm_t_bits tc, scm_t_bits);
SCM_API SCM scm_i_new_double_smob (scm_t_bits tc, scm_t_bits,
                                   scm_t_bits, scm_t_bits);


SCM_INLINE SCM scm_new_smob (scm_t_bits tc, scm_t_bits);
SCM_INLINE SCM scm_new_double_smob (scm_t_bits tc, scm_t_bits,
                                    scm_t_bits, scm_t_bits);

/* These two are internal details of the previous implementation of
   SCM_NEWSMOB and are no longer used.  They are still here to preserve
   ABI stability in the 2.0 series.  */
SCM_API void scm_i_finalize_smob (void *ptr, void *data);
SCM_API SCM scm_i_new_smob_with_mark_proc (scm_t_bits tc, scm_t_bits,
                                           scm_t_bits, scm_t_bits);


#if SCM_CAN_INLINE || defined SCM_INLINE_C_IMPLEMENTING_INLINES
SCM_INLINE_IMPLEMENTATION SCM
scm_new_smob (scm_t_bits tc, scm_t_bits data)
{
  scm_t_bits smobnum = SCM_TC2SMOBNUM (tc);

  if (SCM_UNLIKELY (scm_smobs[smobnum].mark || scm_smobs[smobnum].free))
    return scm_i_new_smob (tc, data);
  else
    return scm_cell (tc, data);
}

SCM_INLINE_IMPLEMENTATION SCM
scm_new_double_smob (scm_t_bits tc, scm_t_bits data1,
                     scm_t_bits data2, scm_t_bits data3)
{
  scm_t_bits smobnum = SCM_TC2SMOBNUM (tc);

  if (SCM_UNLIKELY (scm_smobs[smobnum].mark || scm_smobs[smobnum].free))
    return scm_i_new_double_smob (tc, data1, data2, data3);
  else
    return scm_double_cell (tc, data1, data2, data3);
}
#endif

#define SCM_NEWSMOB(z, tc, data)                \
  z = scm_new_smob ((tc), (scm_t_bits)(data))
#define SCM_RETURN_NEWSMOB(tc, data)            \
  return scm_new_smob ((tc), (scm_t_bits)(data))

#define SCM_NEWSMOB2(z, tc, data1, data2)               \
  z = scm_new_double_smob ((tc), (scm_t_bits)(data1),   \
                           (scm_t_bits)(data2), 0)
#define SCM_RETURN_NEWSMOB2(tc, data1, data2)                   \
  return scm_new_double_smob ((tc), (scm_t_bits)(data1),        \
                              (scm_t_bits)(data2), 0)

#define SCM_NEWSMOB3(z, tc, data1, data2, data3)                        \
  z = scm_new_double_smob ((tc), (scm_t_bits)(data1),                   \
                           (scm_t_bits)(data2), (scm_t_bits)(data3))
#define SCM_RETURN_NEWSMOB3(tc, data1, data2, data3)                    \
  return scm_new_double_smob ((tc), (scm_t_bits)(data1),                \
                              (scm_t_bits)(data2), (scm_t_bits)(data3))

\f

#define SCM_SMOB_DATA_N(x, n)		(SCM_CELL_WORD ((x), (n)))
#define SCM_SET_SMOB_DATA_N(x, n, data)	(SCM_SET_CELL_WORD ((x), (n), (data)))

#define SCM_SMOB_DATA_0(x)		(SCM_SMOB_DATA_N ((x), 0))
#define SCM_SMOB_DATA_1(x)		(SCM_SMOB_DATA_N ((x), 1))
#define SCM_SMOB_DATA_2(x)		(SCM_SMOB_DATA_N ((x), 2))
#define SCM_SMOB_DATA_3(x)		(SCM_SMOB_DATA_N ((x), 3))
#define SCM_SET_SMOB_DATA_0(x, data)	(SCM_SET_SMOB_DATA_N ((x), 0, (data)))
#define SCM_SET_SMOB_DATA_1(x, data)	(SCM_SET_SMOB_DATA_N ((x), 1, (data)))
#define SCM_SET_SMOB_DATA_2(x, data)	(SCM_SET_SMOB_DATA_N ((x), 2, (data)))
#define SCM_SET_SMOB_DATA_3(x, data)	(SCM_SET_SMOB_DATA_N ((x), 3, (data)))

#define SCM_SMOB_FLAGS(x)               (SCM_SMOB_DATA_0 (x) >> 16)
#define SCM_SMOB_DATA(x)		(SCM_SMOB_DATA_1 (x))
#define SCM_SET_SMOB_FLAGS(x, data)     (SCM_SET_SMOB_DATA_0 ((x), (SCM_CELL_TYPE (x)&0xffff)|((data)<<16)))
#define SCM_SET_SMOB_DATA(x, data)	(SCM_SET_SMOB_DATA_1 ((x), (data)))

#define SCM_SMOB_OBJECT_N(x,n)		(SCM_CELL_OBJECT ((x), (n)))
#define SCM_SET_SMOB_OBJECT_N(x,n,obj)	(SCM_SET_CELL_OBJECT ((x), (n), (obj)))
#define SCM_SMOB_OBJECT_N_LOC(x,n)	(SCM_CELL_OBJECT_LOC ((x), (n)))

/*#define SCM_SMOB_OBJECT_0(x)		(SCM_SMOB_OBJECT_N ((x), 0))*/
#define SCM_SMOB_OBJECT_1(x)		(SCM_SMOB_OBJECT_N ((x), 1))
#define SCM_SMOB_OBJECT_2(x)		(SCM_SMOB_OBJECT_N ((x), 2))
#define SCM_SMOB_OBJECT_3(x)		(SCM_SMOB_OBJECT_N ((x), 3))
/*#define SCM_SET_SMOB_OBJECT_0(x,obj)	(SCM_SET_SMOB_OBJECT_N ((x), 0, (obj)))*/
#define SCM_SET_SMOB_OBJECT_1(x,obj)	(SCM_SET_SMOB_OBJECT_N ((x), 1, (obj)))
#define SCM_SET_SMOB_OBJECT_2(x,obj)	(SCM_SET_SMOB_OBJECT_N ((x), 2, (obj)))
#define SCM_SET_SMOB_OBJECT_3(x,obj)	(SCM_SET_SMOB_OBJECT_N ((x), 3, (obj)))
#define SCM_SMOB_OBJECT_0_LOC(x)	(SCM_SMOB_OBJECT_N_LOC ((x), 0)))
#define SCM_SMOB_OBJECT_1_LOC(x)	(SCM_SMOB_OBJECT_N_LOC ((x), 1)))
#define SCM_SMOB_OBJECT_2_LOC(x)	(SCM_SMOB_OBJECT_N_LOC ((x), 2)))
#define SCM_SMOB_OBJECT_3_LOC(x)	(SCM_SMOB_OBJECT_N_LOC ((x), 3)))

#define SCM_SMOB_OBJECT(x)		(SCM_SMOB_OBJECT_1 (x))
#define SCM_SET_SMOB_OBJECT(x,obj)	(SCM_SET_SMOB_OBJECT_1 ((x), (obj)))
#define SCM_SMOB_OBJECT_LOC(x)		(SCM_SMOB_OBJECT_1_LOC (x)))


#define SCM_SMOB_APPLY_0(x)		(scm_call_0 (x))
#define SCM_SMOB_APPLY_1(x, a1)		(scm_call_1 (x, a1))
#define SCM_SMOB_APPLY_2(x, a1, a2)	(scm_call_2 (x, a1, a2))
#define SCM_SMOB_APPLY_3(x, a1, a2, rst) (scm_call_3 (x, a1, a2, a3))

\f

SCM_API SCM scm_mark0 (SCM ptr);
SCM_API SCM scm_markcdr (SCM ptr);
SCM_API size_t scm_free0 (SCM ptr);
SCM_API int scm_smob_print (SCM exp, SCM port, scm_print_state *pstate);

/* The following set of functions is the standard way to create new
 * SMOB types.
 *
 * Create a type tag using `scm_make_smob_type', accept default values
 * for mark, free, print and/or equalp functions, or set your own
 * values using `scm_set_smob_xxx'.
 */

SCM_API scm_t_bits scm_make_smob_type (char const *name, size_t size);

SCM_API void scm_set_smob_mark (scm_t_bits tc, SCM (*mark) (SCM));
SCM_API void scm_set_smob_free (scm_t_bits tc, size_t (*free) (SCM));
SCM_API void scm_set_smob_print (scm_t_bits tc,
				 int (*print) (SCM, SCM, scm_print_state*));
SCM_API void scm_set_smob_equalp (scm_t_bits tc, SCM (*equalp) (SCM, SCM));
SCM_API void scm_set_smob_apply (scm_t_bits tc,
				 scm_t_subr apply,
				 unsigned int req,
				 unsigned int opt,
				 unsigned int rst);

SCM_API void scm_assert_smob_type (scm_t_bits tag, SCM val);

/* Function for creating smobs */

SCM_API SCM scm_make_smob (scm_t_bits tc);

SCM_API void scm_smob_prehistory (void);

#endif  /* SCM_SMOB_H */

/*
  Local Variables:
  c-file-style: "gnu"
  End:
*/
Commit	Line	Data
0f2d19dd JB	1	/* classes: h_files */
0f2d19dd JB	2
7a7f7c53 DH	3	#ifndef SCM_SMOB_H
7a7f7c53 DH	4	#define SCM_SMOB_H
dee01b01	5
be90d0b6	6	/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2004, 2006, 2009,
c46fee43	7	* 2010, 2011, 2012 Free Software Foundation, Inc.
dee01b01	8	*
73be1d9e	9	* This library is free software; you can redistribute it and/or
53befeb7 NJ	10	* modify it under the terms of the GNU Lesser General Public License
	11	* as published by the Free Software Foundation; either version 3 of
	12	* the License, or (at your option) any later version.
dee01b01	13	*
53befeb7 NJ	14	* This library is distributed in the hope that it will be useful, but
53befeb7 NJ	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
73be1d9e MV	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
73be1d9e MV	17	* Lesser General Public License for more details.
dee01b01	18	*
73be1d9e MV	19	* You should have received a copy of the GNU Lesser General Public
73be1d9e MV	20	* License along with this library; if not, write to the Free Software
53befeb7 NJ	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
53befeb7 NJ	22	* 02110-1301 USA
73be1d9e	23	*/
dee01b01	24
0f2d19dd	25	\f
dee01b01	26
b4309c3c	27	#include "libguile/__scm.h"
b08323d1	28	#include "libguile/print.h"
0f2d19dd	29
10fb3386	30
0f2d19dd	31	\f
9dd5943c MD	32	/* This is the internal representation of a smob type */
	33
	34	typedef struct scm_smob_descriptor
	35	{
da0e6c2b	36	char const *name;
1be6b49c	37	size_t size;
7866a09b	38	SCM (*mark) (SCM);
1be6b49c	39	size_t (*free) (SCM);
7866a09b GB	40	int (print) (SCM exp, SCM port, scm_print_state pstate);
7866a09b GB	41	SCM (*equalp) (SCM, SCM);
be90d0b6	42	scm_t_subr apply;
c05805a4	43	/* In 2.2 this field is renamed to "apply_trampoline". */
75c3ed28	44	SCM apply_trampoline_objcode;
9dd5943c MD	45	} scm_smob_descriptor;
9dd5943c MD	46
378f2625	47
c46fee43 AW	48	#define SCM_SMOB_TYPE_MASK 0xffff
	49	#define SCM_SMOB_TYPE_BITS(tc) (tc)
	50	#define SCM_TC2SMOBNUM(x) (0x0ff & ((x) >> 8))
	51	#define SCM_SMOBNUM(x) (SCM_TC2SMOBNUM (SCM_CELL_TYPE (x)))
	52	/* SCM_SMOBNAME can be 0 if name is missing */
	53	#define SCM_SMOBNAME(smobnum) (scm_smobs[smobnum].name)
	54	#define SCM_SMOB_PREDICATE(tag, obj) SCM_TYP16_PREDICATE (tag, obj)
	55	#define SCM_SMOB_DESCRIPTOR(x) (scm_smobs[SCM_SMOBNUM (x)])
	56	#define SCM_SMOB_APPLICABLE_P(x) (SCM_SMOB_DESCRIPTOR (x).apply)
	57
	58	/* Maximum number of SMOB types. */
	59	#define SCM_I_MAX_SMOB_TYPE_COUNT 256
	60
	61	SCM_API long scm_numsmob;
	62	SCM_API scm_smob_descriptor scm_smobs[];
	63
	64
0f2d19dd	65	\f
87621a14	66
c46fee43 AW	67	SCM_API SCM scm_i_new_smob (scm_t_bits tc, scm_t_bits);
	68	SCM_API SCM scm_i_new_double_smob (scm_t_bits tc, scm_t_bits,
	69	scm_t_bits, scm_t_bits);
	70
	71
	72	SCM_INLINE SCM scm_new_smob (scm_t_bits tc, scm_t_bits);
	73	SCM_INLINE SCM scm_new_double_smob (scm_t_bits tc, scm_t_bits,
	74	scm_t_bits, scm_t_bits);
	75
	76	/* These two are internal details of the previous implementation of
	77	SCM_NEWSMOB and are no longer used. They are still here to preserve
	78	ABI stability in the 2.0 series. */
0f6dd250	79	SCM_API void scm_i_finalize_smob (void ptr, void data);
c46fee43 AW	80	SCM_API SCM scm_i_new_smob_with_mark_proc (scm_t_bits tc, scm_t_bits,
	81	scm_t_bits, scm_t_bits);
	82
	83
	84	#if SCM_CAN_INLINE \|\| defined SCM_INLINE_C_IMPLEMENTING_INLINES
	85	SCM_INLINE_IMPLEMENTATION SCM
	86	scm_new_smob (scm_t_bits tc, scm_t_bits data)
	87	{
	88	scm_t_bits smobnum = SCM_TC2SMOBNUM (tc);
	89
	90	if (SCM_UNLIKELY (scm_smobs[smobnum].mark \|\| scm_smobs[smobnum].free))
	91	return scm_i_new_smob (tc, data);
	92	else
	93	return scm_cell (tc, data);
	94	}
	95
	96	SCM_INLINE_IMPLEMENTATION SCM
	97	scm_new_double_smob (scm_t_bits tc, scm_t_bits data1,
	98	scm_t_bits data2, scm_t_bits data3)
	99	{
	100	scm_t_bits smobnum = SCM_TC2SMOBNUM (tc);
	101
	102	if (SCM_UNLIKELY (scm_smobs[smobnum].mark \|\| scm_smobs[smobnum].free))
	103	return scm_i_new_double_smob (tc, data1, data2, data3);
	104	else
	105	return scm_double_cell (tc, data1, data2, data3);
	106	}
	107	#endif
	108
	109	#define SCM_NEWSMOB(z, tc, data) \
	110	z = scm_new_smob ((tc), (scm_t_bits)(data))
	111	#define SCM_RETURN_NEWSMOB(tc, data) \
	112	return scm_new_smob ((tc), (scm_t_bits)(data))
	113
	114	#define SCM_NEWSMOB2(z, tc, data1, data2) \
	115	z = scm_new_double_smob ((tc), (scm_t_bits)(data1), \
	116	(scm_t_bits)(data2), 0)
	117	#define SCM_RETURN_NEWSMOB2(tc, data1, data2) \
	118	return scm_new_double_smob ((tc), (scm_t_bits)(data1), \
	119	(scm_t_bits)(data2), 0)
	120
	121	#define SCM_NEWSMOB3(z, tc, data1, data2, data3) \
	122	z = scm_new_double_smob ((tc), (scm_t_bits)(data1), \
	123	(scm_t_bits)(data2), (scm_t_bits)(data3))
	124	#define SCM_RETURN_NEWSMOB3(tc, data1, data2, data3) \
	125	return scm_new_double_smob ((tc), (scm_t_bits)(data1), \
	126	(scm_t_bits)(data2), (scm_t_bits)(data3))
	127
	128	\f
9dd5943c	129
56164dc4 AW	130	#define SCM_SMOB_DATA_N(x, n) (SCM_CELL_WORD ((x), (n)))
	131	#define SCM_SET_SMOB_DATA_N(x, n, data) (SCM_SET_CELL_WORD ((x), (n), (data)))
	132
	133	#define SCM_SMOB_DATA_0(x) (SCM_SMOB_DATA_N ((x), 0))
	134	#define SCM_SMOB_DATA_1(x) (SCM_SMOB_DATA_N ((x), 1))
	135	#define SCM_SMOB_DATA_2(x) (SCM_SMOB_DATA_N ((x), 2))
	136	#define SCM_SMOB_DATA_3(x) (SCM_SMOB_DATA_N ((x), 3))
	137	#define SCM_SET_SMOB_DATA_0(x, data) (SCM_SET_SMOB_DATA_N ((x), 0, (data)))
	138	#define SCM_SET_SMOB_DATA_1(x, data) (SCM_SET_SMOB_DATA_N ((x), 1, (data)))
	139	#define SCM_SET_SMOB_DATA_2(x, data) (SCM_SET_SMOB_DATA_N ((x), 2, (data)))
	140	#define SCM_SET_SMOB_DATA_3(x, data) (SCM_SET_SMOB_DATA_N ((x), 3, (data)))
	141
	142	#define SCM_SMOB_FLAGS(x) (SCM_SMOB_DATA_0 (x) >> 16)
	143	#define SCM_SMOB_DATA(x) (SCM_SMOB_DATA_1 (x))
	144	#define SCM_SET_SMOB_FLAGS(x, data) (SCM_SET_SMOB_DATA_0 ((x), (SCM_CELL_TYPE (x)&0xffff)\|((data)<<16)))
	145	#define SCM_SET_SMOB_DATA(x, data) (SCM_SET_SMOB_DATA_1 ((x), (data)))
	146
	147	#define SCM_SMOB_OBJECT_N(x,n) (SCM_CELL_OBJECT ((x), (n)))
	148	#define SCM_SET_SMOB_OBJECT_N(x,n,obj) (SCM_SET_CELL_OBJECT ((x), (n), (obj)))
	149	#define SCM_SMOB_OBJECT_N_LOC(x,n) (SCM_CELL_OBJECT_LOC ((x), (n)))
	150
	151	/#define SCM_SMOB_OBJECT_0(x) (SCM_SMOB_OBJECT_N ((x), 0))/
	152	#define SCM_SMOB_OBJECT_1(x) (SCM_SMOB_OBJECT_N ((x), 1))
	153	#define SCM_SMOB_OBJECT_2(x) (SCM_SMOB_OBJECT_N ((x), 2))
	154	#define SCM_SMOB_OBJECT_3(x) (SCM_SMOB_OBJECT_N ((x), 3))
	155	/#define SCM_SET_SMOB_OBJECT_0(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 0, (obj)))/
	156	#define SCM_SET_SMOB_OBJECT_1(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 1, (obj)))
	157	#define SCM_SET_SMOB_OBJECT_2(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 2, (obj)))
	158	#define SCM_SET_SMOB_OBJECT_3(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 3, (obj)))
	159	#define SCM_SMOB_OBJECT_0_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 0)))
	160	#define SCM_SMOB_OBJECT_1_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 1)))
	161	#define SCM_SMOB_OBJECT_2_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 2)))
	162	#define SCM_SMOB_OBJECT_3_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 3)))
	163
	164	#define SCM_SMOB_OBJECT(x) (SCM_SMOB_OBJECT_1 (x))
	165	#define SCM_SET_SMOB_OBJECT(x,obj) (SCM_SET_SMOB_OBJECT_1 ((x), (obj)))
	166	#define SCM_SMOB_OBJECT_LOC(x) (SCM_SMOB_OBJECT_1_LOC (x)))
	167
37fc18ae	168
75c3ed28 AW	169	#define SCM_SMOB_APPLY_0(x) (scm_call_0 (x))
	170	#define SCM_SMOB_APPLY_1(x, a1) (scm_call_1 (x, a1))
	171	#define SCM_SMOB_APPLY_2(x, a1, a2) (scm_call_2 (x, a1, a2))
	172	#define SCM_SMOB_APPLY_3(x, a1, a2, rst) (scm_call_3 (x, a1, a2, a3))
0f2d19dd	173
0f2d19dd	174	\f
0f2d19dd	175
33b001fd MV	176	SCM_API SCM scm_mark0 (SCM ptr);
	177	SCM_API SCM scm_markcdr (SCM ptr);
	178	SCM_API size_t scm_free0 (SCM ptr);
33b001fd	179	SCM_API int scm_smob_print (SCM exp, SCM port, scm_print_state *pstate);
23a62151	180
c72baaaa MD	181	/* The following set of functions is the standard way to create new
	182	* SMOB types.
	183	*
	184	* Create a type tag using `scm_make_smob_type', accept default values
	185	* for mark, free, print and/or equalp functions, or set your own
	186	* values using `scm_set_smob_xxx'.
	187	*/
23a62151	188
df5af69a	189	SCM_API scm_t_bits scm_make_smob_type (char const *name, size_t size);
23a62151	190
33b001fd MV	191	SCM_API void scm_set_smob_mark (scm_t_bits tc, SCM (*mark) (SCM));
	192	SCM_API void scm_set_smob_free (scm_t_bits tc, size_t (*free) (SCM));
	193	SCM_API void scm_set_smob_print (scm_t_bits tc,
	194	int (print) (SCM, SCM, scm_print_state));
	195	SCM_API void scm_set_smob_equalp (scm_t_bits tc, SCM (*equalp) (SCM, SCM));
	196	SCM_API void scm_set_smob_apply (scm_t_bits tc,
be90d0b6	197	scm_t_subr apply,
33b001fd MV	198	unsigned int req,
	199	unsigned int opt,
	200	unsigned int rst);
c72baaaa	201
197b0573 MV	202	SCM_API void scm_assert_smob_type (scm_t_bits tag, SCM val);
197b0573 MV	203
7c58e21b	204	/* Function for creating smobs */
c72baaaa	205
33b001fd	206	SCM_API SCM scm_make_smob (scm_t_bits tc);
197b0573	207
33b001fd	208	SCM_API void scm_smob_prehistory (void);
7c58e21b	209
7a7f7c53	210	#endif /* SCM_SMOB_H */
89e00824 ML	211
	212	/*
	213	Local Variables:
	214	c-file-style: "gnu"
	215	End:
	216	*/