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0f2d19dd JB |
1 | /* Copyright (C) 1995,1996 Free Software Foundation, Inc. |
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, |
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. */ |
0f2d19dd JB |
41 | \f |
42 | #include <stdio.h> | |
43 | #include "_scm.h" | |
44 | ||
0f2d19dd JB |
45 | \f |
46 | ||
0f2d19dd JB |
47 | /* {Pairs} |
48 | */ | |
49 | ||
50 | SCM_PROC(s_cons, "cons", 2, 0, 0, scm_cons); | |
1cc91f1b | 51 | |
0f2d19dd JB |
52 | SCM |
53 | scm_cons (x, y) | |
54 | SCM x; | |
55 | SCM y; | |
0f2d19dd JB |
56 | { |
57 | register SCM z; | |
58 | SCM_NEWCELL (z); | |
a6c64c3c MD |
59 | SCM_SETCAR (z, x); |
60 | SCM_SETCDR (z, y); | |
0f2d19dd JB |
61 | return z; |
62 | } | |
63 | ||
1cc91f1b | 64 | |
0f2d19dd JB |
65 | SCM |
66 | scm_cons2 (w, x, y) | |
67 | SCM w; | |
68 | SCM x; | |
69 | SCM y; | |
0f2d19dd JB |
70 | { |
71 | register SCM z; | |
72 | SCM_NEWCELL (z); | |
a6c64c3c MD |
73 | SCM_SETCAR (z, x); |
74 | SCM_SETCDR (z, y); | |
0f2d19dd JB |
75 | x = z; |
76 | SCM_NEWCELL (z); | |
a6c64c3c MD |
77 | SCM_SETCAR (z, w); |
78 | SCM_SETCDR (z, x); | |
0f2d19dd JB |
79 | return z; |
80 | } | |
81 | ||
82 | ||
d65010b8 | 83 | SCM_PROC (s_pair_p, "pair?", 1, 0, 0, scm_pair_p); |
1cc91f1b | 84 | |
0f2d19dd | 85 | SCM |
d65010b8 | 86 | scm_pair_p (x) |
0f2d19dd | 87 | SCM x; |
0f2d19dd | 88 | { |
d65010b8 MD |
89 | if (SCM_IMP (x)) |
90 | return SCM_BOOL_F; | |
91 | return SCM_CONSP (x) ? SCM_BOOL_T : SCM_BOOL_F; | |
0f2d19dd JB |
92 | } |
93 | ||
d65010b8 | 94 | SCM_PROC (s_set_car_x, "set-car!", 2, 0, 0, scm_set_car_x); |
1cc91f1b | 95 | |
0f2d19dd | 96 | SCM |
d65010b8 | 97 | scm_set_car_x (pair, value) |
0f2d19dd JB |
98 | SCM pair; |
99 | SCM value; | |
0f2d19dd | 100 | { |
d65010b8 MD |
101 | SCM_ASSERT (SCM_NIMP (pair) && SCM_CONSP (pair), |
102 | pair, SCM_ARG1, s_set_car_x); | |
103 | SCM_SETCAR (pair, value); | |
104 | return value; | |
0f2d19dd JB |
105 | } |
106 | ||
d65010b8 | 107 | SCM_PROC (s_set_cdr_x, "set-cdr!", 2, 0, 0, scm_set_cdr_x); |
1cc91f1b | 108 | |
0f2d19dd | 109 | SCM |
d65010b8 | 110 | scm_set_cdr_x (pair, value) |
0f2d19dd JB |
111 | SCM pair; |
112 | SCM value; | |
0f2d19dd | 113 | { |
d65010b8 MD |
114 | SCM_ASSERT (SCM_NIMP(pair) && SCM_CONSP (pair), pair, SCM_ARG1, s_set_cdr_x); |
115 | SCM_SETCDR (pair, value); | |
116 | return value; | |
0f2d19dd JB |
117 | } |
118 | ||
119 | ||
120 | \f | |
121 | ||
3eeba8d4 | 122 | static const scm_iproc cxrs[] = |
0f2d19dd JB |
123 | { |
124 | {"car", 0}, | |
125 | {"cdr", 0}, | |
126 | {"caar", 0}, | |
127 | {"cadr", 0}, | |
128 | {"cdar", 0}, | |
129 | {"cddr", 0}, | |
130 | {"caaar", 0}, | |
131 | {"caadr", 0}, | |
132 | {"cadar", 0}, | |
133 | {"caddr", 0}, | |
134 | {"cdaar", 0}, | |
135 | {"cdadr", 0}, | |
136 | {"cddar", 0}, | |
137 | {"cdddr", 0}, | |
138 | {"caaaar", 0}, | |
139 | {"caaadr", 0}, | |
140 | {"caadar", 0}, | |
141 | {"caaddr", 0}, | |
142 | {"cadaar", 0}, | |
143 | {"cadadr", 0}, | |
144 | {"caddar", 0}, | |
145 | {"cadddr", 0}, | |
146 | {"cdaaar", 0}, | |
147 | {"cdaadr", 0}, | |
148 | {"cdadar", 0}, | |
149 | {"cdaddr", 0}, | |
150 | {"cddaar", 0}, | |
151 | {"cddadr", 0}, | |
152 | {"cdddar", 0}, | |
153 | {"cddddr", 0}, | |
154 | {0, 0} | |
155 | }; | |
156 | ||
157 | \f | |
1cc91f1b | 158 | |
0f2d19dd JB |
159 | void |
160 | scm_init_pairs () | |
0f2d19dd | 161 | { |
d65010b8 | 162 | scm_init_iprocs (cxrs, scm_tc7_cxr); |
0f2d19dd JB |
163 | #include "pairs.x" |
164 | } | |
165 |