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

/* classes: h_files */

#ifndef SCM_PAIRS_H
#define SCM_PAIRS_H

/* Copyright (C) 1995,1996,2000,2001, 2004, 2006, 2008, 2009 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"

\f

#if (SCM_DEBUG_PAIR_ACCESSES == 1)
# define SCM_VALIDATE_PAIR(cell, expr) \
    ((!scm_is_pair (cell) ? scm_error_pair_access (cell), 0 : 0), (expr))
#else
# define SCM_VALIDATE_PAIR(cell, expr) (expr)
#endif

/*
 * Use scm_is_null_and_not_nil if it's important (for correctness)
 * that %nil must NOT be considered null.
 */
#define scm_is_null_and_not_nil(x)     (scm_is_eq ((x), SCM_EOL))

/*
 * Use scm_is_null_assume_not_nil if %nil will never be tested,
 * for increased efficiency.
 */
#define scm_is_null_assume_not_nil(x)  (scm_is_eq ((x), SCM_EOL))

/*
 * See the comments preceeding the definitions of SCM_BOOL_F and
 * SCM_MATCHES_BITS_IN_COMMON in tags.h for more information on
 * how the following macro works.
 */
#if SCM_ENABLE_ELISP
# define scm_is_null_or_nil(x)  \
  (SCM_MATCHES_BITS_IN_COMMON ((x), SCM_ELISP_NIL, SCM_EOL))
#else
# define scm_is_null_or_nil(x)  (scm_is_null_assume_not_nil (x))
#endif

/* XXX Should scm_is_null treat %nil as null by default? */
#define scm_is_null(x)		(scm_is_null_and_not_nil(x))

#define SCM_CAR(x)		(SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_0 (x)))
#define SCM_CDR(x)		(SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_1 (x)))

#define SCM_SETCAR(x, v)	(SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_0 ((x), (v))))
#define SCM_SETCDR(x, v)	(SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_1 ((x), (v))))

#define SCM_CAAR(OBJ)		SCM_CAR (SCM_CAR (OBJ))
#define SCM_CDAR(OBJ)		SCM_CDR (SCM_CAR (OBJ))
#define SCM_CADR(OBJ)		SCM_CAR (SCM_CDR (OBJ))
#define SCM_CDDR(OBJ)		SCM_CDR (SCM_CDR (OBJ))

#define SCM_CAAAR(OBJ)		SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))
#define SCM_CDAAR(OBJ)		SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))
#define SCM_CADAR(OBJ)		SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))
#define SCM_CDDAR(OBJ)		SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))
#define SCM_CAADR(OBJ)		SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))
#define SCM_CDADR(OBJ)		SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))
#define SCM_CADDR(OBJ)		SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))
#define SCM_CDDDR(OBJ)		SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))

#define SCM_CAAAAR(OBJ)		SCM_CAR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ))))
#define SCM_CDAAAR(OBJ)		SCM_CDR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ))))
#define SCM_CADAAR(OBJ)		SCM_CAR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ))))
#define SCM_CDDAAR(OBJ)		SCM_CDR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ))))
#define SCM_CAADAR(OBJ)		SCM_CAR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ))))
#define SCM_CDADAR(OBJ)		SCM_CDR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ))))
#define SCM_CADDAR(OBJ)		SCM_CAR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ))))
#define SCM_CDDDAR(OBJ)		SCM_CDR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ))))
#define SCM_CAAADR(OBJ)		SCM_CAR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ))))
#define SCM_CDAADR(OBJ)		SCM_CDR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ))))
#define SCM_CADADR(OBJ)		SCM_CAR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ))))
#define SCM_CDDADR(OBJ)		SCM_CDR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ))))
#define SCM_CAADDR(OBJ)		SCM_CAR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ))))
#define SCM_CDADDR(OBJ)		SCM_CDR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ))))
#define SCM_CADDDR(OBJ)		SCM_CAR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ))))
#define SCM_CDDDDR(OBJ)		SCM_CDR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ))))

\f

#if (SCM_DEBUG_PAIR_ACCESSES == 1)
SCM_API void scm_error_pair_access (SCM);
#endif

SCM_API SCM scm_cons (SCM x, SCM y);
SCM_API SCM scm_cons2 (SCM w, SCM x, SCM y);
SCM_API SCM scm_pair_p (SCM x);
SCM_API SCM scm_car (SCM x);
SCM_API SCM scm_cdr (SCM x);
SCM_API SCM scm_set_car_x (SCM pair, SCM value);
SCM_API SCM scm_set_cdr_x (SCM pair, SCM value);

#define SCM_I_D_PAT    0x02 /* 00000010 */
#define SCM_I_A_PAT    0x03 /* 00000011 */
#define SCM_I_DD_PAT   0x0a /* 00001010 */
#define SCM_I_DA_PAT   0x0b /* 00001011 */
#define SCM_I_AD_PAT   0x0e /* 00001110 */
#define SCM_I_AA_PAT   0x0f /* 00001111 */
#define SCM_I_DDD_PAT  0x2a /* 00101010 */
#define SCM_I_DDA_PAT  0x2b /* 00101011 */
#define SCM_I_DAD_PAT  0x2e /* 00101110 */
#define SCM_I_DAA_PAT  0x2f /* 00101111 */
#define SCM_I_ADD_PAT  0x3a /* 00111010 */
#define SCM_I_ADA_PAT  0x3b /* 00111011 */
#define SCM_I_AAD_PAT  0x3e /* 00111110 */
#define SCM_I_AAA_PAT  0x3f /* 00111111 */
#define SCM_I_DDDD_PAT 0xaa /* 10101010 */
#define SCM_I_DDDA_PAT 0xab /* 10101011 */
#define SCM_I_DDAD_PAT 0xae /* 10101110 */
#define SCM_I_DDAA_PAT 0xaf /* 10101111 */
#define SCM_I_DADD_PAT 0xba /* 10111010 */
#define SCM_I_DADA_PAT 0xbb /* 10111011 */
#define SCM_I_DAAD_PAT 0xbe /* 10111110 */
#define SCM_I_DAAA_PAT 0xbf /* 10111111 */
#define SCM_I_ADDD_PAT 0xea /* 11101010 */
#define SCM_I_ADDA_PAT 0xeb /* 11101011 */
#define SCM_I_ADAD_PAT 0xee /* 11101110 */
#define SCM_I_ADAA_PAT 0xef /* 11101111 */
#define SCM_I_AADD_PAT 0xfa /* 11111010 */
#define SCM_I_AADA_PAT 0xfb /* 11111011 */
#define SCM_I_AAAD_PAT 0xfe /* 11111110 */
#define SCM_I_AAAA_PAT 0xff /* 11111111 */

SCM_API SCM scm_i_chase_pairs (SCM x, scm_t_uint32 pattern);

#define scm_cddr(x)   scm_i_chase_pairs ((x), SCM_I_DD_PAT)
#define scm_cdar(x)   scm_i_chase_pairs ((x), SCM_I_DA_PAT)
#define scm_cadr(x)   scm_i_chase_pairs ((x), SCM_I_AD_PAT)
#define scm_caar(x)   scm_i_chase_pairs ((x), SCM_I_AA_PAT)
#define scm_cdddr(x)  scm_i_chase_pairs ((x), SCM_I_DDD_PAT)
#define scm_cddar(x)  scm_i_chase_pairs ((x), SCM_I_DDA_PAT)
#define scm_cdadr(x)  scm_i_chase_pairs ((x), SCM_I_DAD_PAT)
#define scm_cdaar(x)  scm_i_chase_pairs ((x), SCM_I_DAA_PAT)
#define scm_caddr(x)  scm_i_chase_pairs ((x), SCM_I_ADD_PAT)
#define scm_cadar(x)  scm_i_chase_pairs ((x), SCM_I_ADA_PAT)
#define scm_caadr(x)  scm_i_chase_pairs ((x), SCM_I_AAD_PAT)
#define scm_caaar(x)  scm_i_chase_pairs ((x), SCM_I_AAA_PAT)
#define scm_cddddr(x) scm_i_chase_pairs ((x), SCM_I_DDDD_PAT)
#define scm_cdddar(x) scm_i_chase_pairs ((x), SCM_I_DDDA_PAT)
#define scm_cddadr(x) scm_i_chase_pairs ((x), SCM_I_DDAD_PAT)
#define scm_cddaar(x) scm_i_chase_pairs ((x), SCM_I_DDAA_PAT)
#define scm_cdaddr(x) scm_i_chase_pairs ((x), SCM_I_DADD_PAT)
#define scm_cdadar(x) scm_i_chase_pairs ((x), SCM_I_DADA_PAT)
#define scm_cdaadr(x) scm_i_chase_pairs ((x), SCM_I_DAAD_PAT)
#define scm_cdaaar(x) scm_i_chase_pairs ((x), SCM_I_DAAA_PAT)
#define scm_cadddr(x) scm_i_chase_pairs ((x), SCM_I_ADDD_PAT)
#define scm_caddar(x) scm_i_chase_pairs ((x), SCM_I_ADDA_PAT)
#define scm_cadadr(x) scm_i_chase_pairs ((x), SCM_I_ADAD_PAT)
#define scm_cadaar(x) scm_i_chase_pairs ((x), SCM_I_ADAA_PAT)
#define scm_caaddr(x) scm_i_chase_pairs ((x), SCM_I_AADD_PAT)
#define scm_caadar(x) scm_i_chase_pairs ((x), SCM_I_AADA_PAT)
#define scm_caaadr(x) scm_i_chase_pairs ((x), SCM_I_AAAD_PAT)
#define scm_caaaar(x) scm_i_chase_pairs ((x), SCM_I_AAAA_PAT)

SCM_INTERNAL void scm_init_pairs (void);

#endif  /* SCM_PAIRS_H */

/*
  Local Variables:
  c-file-style: "gnu"
  End:
*/
Commit	Line	Data
0f2d19dd JB	1	/* classes: h_files */
0f2d19dd JB	2
e81d98ec DH	3	#ifndef SCM_PAIRS_H
e81d98ec DH	4	#define SCM_PAIRS_H
0527e687	5
45f4cbdf	6	/* Copyright (C) 1995,1996,2000,2001, 2004, 2006, 2008, 2009 Free Software Foundation, Inc.
0527e687	7	*
73be1d9e	8	* This library is free software; you can redistribute it and/or
53befeb7 NJ	9	* modify it under the terms of the GNU Lesser General Public License
	10	* as published by the Free Software Foundation; either version 3 of
	11	* the License, or (at your option) any later version.
0527e687	12	*
53befeb7 NJ	13	* This library is distributed in the hope that it will be useful, but
53befeb7 NJ	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
73be1d9e MV	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
73be1d9e MV	16	* Lesser General Public License for more details.
0527e687	17	*
73be1d9e MV	18	* You should have received a copy of the GNU Lesser General Public
73be1d9e MV	19	* License along with this library; if not, write to the Free Software
53befeb7 NJ	20	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
53befeb7 NJ	21	* 02110-1301 USA
73be1d9e	22	*/
1bbd0b84	23
0f2d19dd JB	24	\f
0f2d19dd JB	25
b4309c3c	26	#include "libguile/__scm.h"
0f2d19dd JB	27
	28	\f
	29
e81d98ec	30	#if (SCM_DEBUG_PAIR_ACCESSES == 1)
e81d98ec	31	# define SCM_VALIDATE_PAIR(cell, expr) \
6fcc7d48	32	((!scm_is_pair (cell) ? scm_error_pair_access (cell), 0 : 0), (expr))
e81d98ec DH	33	#else
	34	# define SCM_VALIDATE_PAIR(cell, expr) (expr)
	35	#endif
	36
45f4cbdf MW	37	/*
	38	* Use scm_is_null_and_not_nil if it's important (for correctness)
	39	* that %nil must NOT be considered null.
	40	*/
	41	#define scm_is_null_and_not_nil(x) (scm_is_eq ((x), SCM_EOL))
	42
	43	/*
	44	* Use scm_is_null_assume_not_nil if %nil will never be tested,
	45	* for increased efficiency.
	46	*/
	47	#define scm_is_null_assume_not_nil(x) (scm_is_eq ((x), SCM_EOL))
	48
	49	/*
	50	* See the comments preceeding the definitions of SCM_BOOL_F and
	51	* SCM_MATCHES_BITS_IN_COMMON in tags.h for more information on
	52	* how the following macro works.
	53	*/
	54	#if SCM_ENABLE_ELISP
	55	# define scm_is_null_or_nil(x) \
	56	(SCM_MATCHES_BITS_IN_COMMON ((x), SCM_ELISP_NIL, SCM_EOL))
	57	#else
	58	# define scm_is_null_or_nil(x) (scm_is_null_assume_not_nil (x))
	59	#endif
	60
	61	/* XXX Should scm_is_null treat %nil as null by default? */
	62	#define scm_is_null(x) (scm_is_null_and_not_nil(x))
0f2d19dd	63
e81d98ec DH	64	#define SCM_CAR(x) (SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_0 (x)))
e81d98ec DH	65	#define SCM_CDR(x) (SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_1 (x)))
76a369d9	66
e81d98ec DH	67	#define SCM_SETCAR(x, v) (SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_0 ((x), (v))))
e81d98ec DH	68	#define SCM_SETCDR(x, v) (SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_1 ((x), (v))))
24e68a57	69
0f2d19dd JB	70	#define SCM_CAAR(OBJ) SCM_CAR (SCM_CAR (OBJ))
	71	#define SCM_CDAR(OBJ) SCM_CDR (SCM_CAR (OBJ))
	72	#define SCM_CADR(OBJ) SCM_CAR (SCM_CDR (OBJ))
	73	#define SCM_CDDR(OBJ) SCM_CDR (SCM_CDR (OBJ))
	74
	75	#define SCM_CAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))
	76	#define SCM_CDAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))
	77	#define SCM_CADAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))
	78	#define SCM_CDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))
	79	#define SCM_CAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))
	80	#define SCM_CDADR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))
	81	#define SCM_CADDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))
	82	#define SCM_CDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))
	83
	84	#define SCM_CAAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ))))
	85	#define SCM_CDAAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ))))
	86	#define SCM_CADAAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ))))
	87	#define SCM_CDDAAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ))))
	88	#define SCM_CAADAR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ))))
	89	#define SCM_CDADAR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ))))
	90	#define SCM_CADDAR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ))))
	91	#define SCM_CDDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ))))
	92	#define SCM_CAAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ))))
	93	#define SCM_CDAADR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ))))
	94	#define SCM_CADADR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ))))
	95	#define SCM_CDDADR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ))))
	96	#define SCM_CAADDR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ))))
	97	#define SCM_CDADDR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ))))
	98	#define SCM_CADDDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ))))
	99	#define SCM_CDDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ))))
	100
0f2d19dd	101	\f
1cc91f1b	102
e81d98ec	103	#if (SCM_DEBUG_PAIR_ACCESSES == 1)
33b001fd	104	SCM_API void scm_error_pair_access (SCM);
e81d98ec	105	#endif
6fcc7d48	106
33b001fd MV	107	SCM_API SCM scm_cons (SCM x, SCM y);
	108	SCM_API SCM scm_cons2 (SCM w, SCM x, SCM y);
	109	SCM_API SCM scm_pair_p (SCM x);
ddda5e8f MV	110	SCM_API SCM scm_car (SCM x);
ddda5e8f MV	111	SCM_API SCM scm_cdr (SCM x);
33b001fd MV	112	SCM_API SCM scm_set_car_x (SCM pair, SCM value);
33b001fd MV	113	SCM_API SCM scm_set_cdr_x (SCM pair, SCM value);
ddda5e8f	114
ddda5e8f MV	115	#define SCM_I_D_PAT 0x02 /* 00000010 */
	116	#define SCM_I_A_PAT 0x03 /* 00000011 */
	117	#define SCM_I_DD_PAT 0x0a /* 00001010 */
	118	#define SCM_I_DA_PAT 0x0b /* 00001011 */
	119	#define SCM_I_AD_PAT 0x0e /* 00001110 */
	120	#define SCM_I_AA_PAT 0x0f /* 00001111 */
	121	#define SCM_I_DDD_PAT 0x2a /* 00101010 */
	122	#define SCM_I_DDA_PAT 0x2b /* 00101011 */
	123	#define SCM_I_DAD_PAT 0x2e /* 00101110 */
	124	#define SCM_I_DAA_PAT 0x2f /* 00101111 */
	125	#define SCM_I_ADD_PAT 0x3a /* 00111010 */
	126	#define SCM_I_ADA_PAT 0x3b /* 00111011 */
	127	#define SCM_I_AAD_PAT 0x3e /* 00111110 */
	128	#define SCM_I_AAA_PAT 0x3f /* 00111111 */
	129	#define SCM_I_DDDD_PAT 0xaa /* 10101010 */
	130	#define SCM_I_DDDA_PAT 0xab /* 10101011 */
	131	#define SCM_I_DDAD_PAT 0xae /* 10101110 */
	132	#define SCM_I_DDAA_PAT 0xaf /* 10101111 */
	133	#define SCM_I_DADD_PAT 0xba /* 10111010 */
	134	#define SCM_I_DADA_PAT 0xbb /* 10111011 */
	135	#define SCM_I_DAAD_PAT 0xbe /* 10111110 */
	136	#define SCM_I_DAAA_PAT 0xbf /* 10111111 */
	137	#define SCM_I_ADDD_PAT 0xea /* 11101010 */
	138	#define SCM_I_ADDA_PAT 0xeb /* 11101011 */
	139	#define SCM_I_ADAD_PAT 0xee /* 11101110 */
	140	#define SCM_I_ADAA_PAT 0xef /* 11101111 */
	141	#define SCM_I_AADD_PAT 0xfa /* 11111010 */
	142	#define SCM_I_AADA_PAT 0xfb /* 11111011 */
	143	#define SCM_I_AAAD_PAT 0xfe /* 11111110 */
	144	#define SCM_I_AAAA_PAT 0xff /* 11111111 */
	145
	146	SCM_API SCM scm_i_chase_pairs (SCM x, scm_t_uint32 pattern);
	147
	148	#define scm_cddr(x) scm_i_chase_pairs ((x), SCM_I_DD_PAT)
	149	#define scm_cdar(x) scm_i_chase_pairs ((x), SCM_I_DA_PAT)
	150	#define scm_cadr(x) scm_i_chase_pairs ((x), SCM_I_AD_PAT)
	151	#define scm_caar(x) scm_i_chase_pairs ((x), SCM_I_AA_PAT)
	152	#define scm_cdddr(x) scm_i_chase_pairs ((x), SCM_I_DDD_PAT)
	153	#define scm_cddar(x) scm_i_chase_pairs ((x), SCM_I_DDA_PAT)
	154	#define scm_cdadr(x) scm_i_chase_pairs ((x), SCM_I_DAD_PAT)
	155	#define scm_cdaar(x) scm_i_chase_pairs ((x), SCM_I_DAA_PAT)
	156	#define scm_caddr(x) scm_i_chase_pairs ((x), SCM_I_ADD_PAT)
	157	#define scm_cadar(x) scm_i_chase_pairs ((x), SCM_I_ADA_PAT)
	158	#define scm_caadr(x) scm_i_chase_pairs ((x), SCM_I_AAD_PAT)
	159	#define scm_caaar(x) scm_i_chase_pairs ((x), SCM_I_AAA_PAT)
	160	#define scm_cddddr(x) scm_i_chase_pairs ((x), SCM_I_DDDD_PAT)
	161	#define scm_cdddar(x) scm_i_chase_pairs ((x), SCM_I_DDDA_PAT)
	162	#define scm_cddadr(x) scm_i_chase_pairs ((x), SCM_I_DDAD_PAT)
	163	#define scm_cddaar(x) scm_i_chase_pairs ((x), SCM_I_DDAA_PAT)
	164	#define scm_cdaddr(x) scm_i_chase_pairs ((x), SCM_I_DADD_PAT)
	165	#define scm_cdadar(x) scm_i_chase_pairs ((x), SCM_I_DADA_PAT)
	166	#define scm_cdaadr(x) scm_i_chase_pairs ((x), SCM_I_DAAD_PAT)
	167	#define scm_cdaaar(x) scm_i_chase_pairs ((x), SCM_I_DAAA_PAT)
	168	#define scm_cadddr(x) scm_i_chase_pairs ((x), SCM_I_ADDD_PAT)
	169	#define scm_caddar(x) scm_i_chase_pairs ((x), SCM_I_ADDA_PAT)
	170	#define scm_cadadr(x) scm_i_chase_pairs ((x), SCM_I_ADAD_PAT)
	171	#define scm_cadaar(x) scm_i_chase_pairs ((x), SCM_I_ADAA_PAT)
	172	#define scm_caaddr(x) scm_i_chase_pairs ((x), SCM_I_AADD_PAT)
	173	#define scm_caadar(x) scm_i_chase_pairs ((x), SCM_I_AADA_PAT)
	174	#define scm_caaadr(x) scm_i_chase_pairs ((x), SCM_I_AAAD_PAT)
	175	#define scm_caaaar(x) scm_i_chase_pairs ((x), SCM_I_AAAA_PAT)
	176
102dbb6f	177	SCM_INTERNAL void scm_init_pairs (void);
1cc91f1b	178
e81d98ec	179	#endif /* SCM_PAIRS_H */
89e00824 ML	180
	181	/*
	182	Local Variables:
	183	c-file-style: "gnu"
	184	End:
	185	*/