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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. */ |
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 | #include <stdio.h> | |
47 | #include "_scm.h" | |
48 | ||
1bbd0b84 GB |
49 | |
50 | #include "scm_validate.h" | |
51 | ||
0f2d19dd JB |
52 | \f |
53 | ||
0f2d19dd JB |
54 | /* {Pairs} |
55 | */ | |
56 | ||
1bbd0b84 GB |
57 | GUILE_PROC(scm_cons, "cons", 2, 0, 0, |
58 | (SCM x, SCM y), | |
59 | "") | |
60 | #define FUNC_NAME s_scm_cons | |
0f2d19dd JB |
61 | { |
62 | register SCM z; | |
63 | SCM_NEWCELL (z); | |
a6c64c3c MD |
64 | SCM_SETCAR (z, x); |
65 | SCM_SETCDR (z, y); | |
0f2d19dd JB |
66 | return z; |
67 | } | |
1bbd0b84 | 68 | #undef FUNC_NAME |
0f2d19dd | 69 | |
1cc91f1b | 70 | |
0f2d19dd | 71 | SCM |
1bbd0b84 | 72 | scm_cons2 (SCM w, SCM x, SCM y) |
0f2d19dd JB |
73 | { |
74 | register SCM z; | |
75 | SCM_NEWCELL (z); | |
a6c64c3c MD |
76 | SCM_SETCAR (z, x); |
77 | SCM_SETCDR (z, y); | |
0f2d19dd JB |
78 | x = z; |
79 | SCM_NEWCELL (z); | |
a6c64c3c MD |
80 | SCM_SETCAR (z, w); |
81 | SCM_SETCDR (z, x); | |
0f2d19dd JB |
82 | return z; |
83 | } | |
84 | ||
85 | ||
1bbd0b84 GB |
86 | GUILE_PROC (scm_pair_p, "pair?", 1, 0, 0, |
87 | (SCM x), | |
88 | "") | |
89 | #define FUNC_NAME s_scm_pair_p | |
0f2d19dd | 90 | { |
d65010b8 MD |
91 | if (SCM_IMP (x)) |
92 | return SCM_BOOL_F; | |
1bbd0b84 | 93 | return SCM_BOOL(SCM_CONSP (x)); |
0f2d19dd | 94 | } |
1bbd0b84 | 95 | #undef FUNC_NAME |
0f2d19dd | 96 | |
1bbd0b84 GB |
97 | GUILE_PROC (scm_set_car_x, "set-car!", 2, 0, 0, |
98 | (SCM pair, SCM value), | |
99 | "") | |
100 | #define FUNC_NAME s_scm_set_car_x | |
0f2d19dd | 101 | { |
30939477 | 102 | SCM_VALIDATE_CONS(1,pair); |
d65010b8 | 103 | SCM_SETCAR (pair, value); |
9b8721aa | 104 | return SCM_UNSPECIFIED; |
0f2d19dd | 105 | } |
1bbd0b84 | 106 | #undef FUNC_NAME |
0f2d19dd | 107 | |
1bbd0b84 GB |
108 | GUILE_PROC (scm_set_cdr_x, "set-cdr!", 2, 0, 0, |
109 | (SCM pair, SCM value), | |
110 | "") | |
111 | #define FUNC_NAME s_scm_set_cdr_x | |
0f2d19dd | 112 | { |
30939477 | 113 | SCM_VALIDATE_CONS(1,pair); |
d65010b8 | 114 | SCM_SETCDR (pair, value); |
9b8721aa | 115 | return SCM_UNSPECIFIED; |
0f2d19dd | 116 | } |
1bbd0b84 | 117 | #undef FUNC_NAME |
0f2d19dd JB |
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 |