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7dc6e754 | 1 | /* Copyright (C) 1995,1996,1997 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, |
16 | * Boston, MA 02111-1307 USA | |
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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. */ |
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41 | \f |
42 | ||
43 | #include <stdio.h> | |
44 | #include "_scm.h" | |
45 | ||
bdc88419 MD |
46 | #include "objects.h" |
47 | ||
20e6290e | 48 | #include "procs.h" |
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49 | \f |
50 | ||
51 | ||
52 | /* {Procedures} | |
53 | */ | |
54 | ||
1cc91f1b | 55 | |
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56 | SCM |
57 | scm_make_subr_opt (name, type, fcn, set) | |
3eeba8d4 | 58 | const char *name; |
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59 | int type; |
60 | SCM (*fcn) (); | |
61 | int set; | |
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62 | { |
63 | SCM symcell; | |
64 | long tmp; | |
65 | register SCM z; | |
66 | symcell = scm_sysintern (name, SCM_UNDEFINED); | |
67 | tmp = ((((SCM_CELLPTR) (SCM_CAR (symcell))) - scm_heap_org) << 8); | |
68 | if ((tmp >> 8) != ((SCM_CELLPTR) (SCM_CAR (symcell)) - scm_heap_org)) | |
69 | tmp = 0; | |
70 | SCM_NEWCELL (z); | |
71 | SCM_SUBRF (z) = fcn; | |
a6c64c3c | 72 | SCM_SETCAR (z, tmp + type); |
0f2d19dd | 73 | if (set) |
a6c64c3c | 74 | SCM_SETCDR (symcell, z); |
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75 | return z; |
76 | } | |
77 | ||
78 | ||
1cc91f1b | 79 | |
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80 | SCM |
81 | scm_make_subr (name, type, fcn) | |
3eeba8d4 | 82 | const char *name; |
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83 | int type; |
84 | SCM (*fcn) (); | |
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85 | { |
86 | return scm_make_subr_opt (name, type, fcn, 1); | |
87 | } | |
88 | ||
89 | #ifdef CCLO | |
1cc91f1b | 90 | |
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91 | SCM |
92 | scm_makcclo (proc, len) | |
93 | SCM proc; | |
94 | long len; | |
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95 | { |
96 | SCM s; | |
97 | SCM_NEWCELL (s); | |
98 | SCM_DEFER_INTS; | |
99 | SCM_SETCHARS (s, scm_must_malloc (len * sizeof (SCM), "compiled-closure")); | |
100 | SCM_SETLENGTH (s, len, scm_tc7_cclo); | |
101 | while (--len) | |
102 | SCM_VELTS (s)[len] = SCM_UNSPECIFIED; | |
103 | SCM_CCLO_SUBR (s) = proc; | |
104 | SCM_ALLOW_INTS; | |
105 | return s; | |
106 | } | |
d88094f9 MD |
107 | |
108 | /* Undocumented debugging procedure */ | |
109 | #ifdef GUILE_DEBUG | |
110 | SCM_PROC (s_make_cclo, "make-cclo", 2, 0, 0, scm_make_cclo); | |
111 | ||
112 | SCM | |
113 | scm_make_cclo (proc, len) | |
114 | SCM proc; | |
115 | SCM len; | |
116 | { | |
117 | return scm_makcclo (proc, SCM_INUM (len)); | |
118 | } | |
119 | #endif | |
0f2d19dd JB |
120 | #endif |
121 | ||
122 | ||
123 | ||
124 | SCM_PROC(s_procedure_p, "procedure?", 1, 0, 0, scm_procedure_p); | |
1cc91f1b | 125 | |
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126 | SCM |
127 | scm_procedure_p (obj) | |
128 | SCM obj; | |
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129 | { |
130 | if (SCM_NIMP (obj)) | |
131 | switch (SCM_TYP7 (obj)) | |
132 | { | |
bdc88419 MD |
133 | case scm_tcs_cons_gloc: |
134 | if (!SCM_I_OPERATORP (obj)) | |
135 | break; | |
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136 | case scm_tcs_closures: |
137 | case scm_tc7_contin: | |
138 | case scm_tcs_subrs: | |
139 | #ifdef CCLO | |
140 | case scm_tc7_cclo: | |
141 | #endif | |
142 | return SCM_BOOL_T; | |
143 | default: | |
144 | return SCM_BOOL_F; | |
145 | } | |
146 | return SCM_BOOL_F; | |
147 | } | |
148 | ||
ecdb5eb2 MD |
149 | SCM_PROC(s_closure_p, "closure?", 1, 0, 0, scm_closure_p); |
150 | ||
151 | SCM | |
152 | scm_closure_p (obj) | |
153 | SCM obj; | |
154 | { | |
80ea260c | 155 | return SCM_NIMP (obj) && SCM_CLOSUREP (obj) ? SCM_BOOL_T : SCM_BOOL_F; |
ecdb5eb2 MD |
156 | } |
157 | ||
f76c22af MD |
158 | SCM_PROC(s_thunk_p, "thunk?", 1, 0, 0, scm_thunk_p); |
159 | ||
44bd53b9 MD |
160 | #ifdef __STDC__ |
161 | SCM | |
162 | scm_thunk_p (SCM obj) | |
163 | #else | |
164 | SCM | |
165 | scm_thunk_p (obj) | |
166 | SCM obj; | |
167 | #endif | |
168 | { | |
169 | if (SCM_NIMP (obj)) | |
170 | switch (SCM_TYP7 (obj)) | |
171 | { | |
172 | case scm_tcs_closures: | |
173 | if (SCM_NULLP (SCM_CAR (SCM_CODE (obj)))) | |
174 | return SCM_BOOL_T; | |
175 | case scm_tc7_subr_0: | |
176 | case scm_tc7_subr_1o: | |
177 | case scm_tc7_lsubr: | |
178 | case scm_tc7_rpsubr: | |
179 | case scm_tc7_asubr: | |
180 | #ifdef CCLO | |
181 | case scm_tc7_cclo: | |
182 | #endif | |
183 | return SCM_BOOL_T; | |
184 | default: | |
185 | ; | |
186 | } | |
187 | return SCM_BOOL_F; | |
188 | } | |
189 | ||
c2c82fba MD |
190 | SCM_PROC(s_procedure_documentation, "procedure-documentation", 1, 0, 0, scm_procedure_documentation); |
191 | ||
192 | SCM | |
193 | scm_procedure_documentation (proc) | |
194 | SCM proc; | |
195 | { | |
196 | SCM code; | |
197 | SCM_ASSERT (SCM_BOOL_T == scm_procedure_p (proc) && SCM_NIMP (proc) && SCM_TYP7 (proc) != scm_tc7_contin, | |
198 | proc, SCM_ARG1, s_procedure_documentation); | |
199 | switch (SCM_TYP7 (proc)) | |
200 | { | |
201 | case scm_tcs_closures: | |
202 | code = SCM_CDR (SCM_CODE (proc)); | |
203 | if (SCM_IMP (SCM_CDR (code))) | |
204 | return SCM_BOOL_F; | |
205 | code = SCM_CAR (code); | |
206 | if (SCM_IMP (code)) | |
207 | return SCM_BOOL_F; | |
208 | if (SCM_STRINGP (code)) | |
209 | return code; | |
210 | default: | |
211 | return SCM_BOOL_F; | |
212 | /* | |
213 | case scm_tcs_subrs: | |
214 | #ifdef CCLO | |
215 | case scm_tc7_cclo: | |
216 | #endif | |
217 | */ | |
218 | } | |
219 | } | |
220 | ||
0f2d19dd | 221 | |
1cc91f1b | 222 | |
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223 | void |
224 | scm_init_iprocs(subra, type) | |
3eeba8d4 | 225 | const scm_iproc *subra; |
0f2d19dd | 226 | int type; |
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227 | { |
228 | for(;subra->scm_string; subra++) | |
229 | scm_make_subr(subra->scm_string, | |
230 | type, | |
231 | subra->cproc); | |
232 | } | |
233 | ||
234 | ||
235 | ||
236 | ||
1cc91f1b | 237 | |
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238 | void |
239 | scm_init_procs () | |
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240 | { |
241 | #include "procs.x" | |
242 | } | |
243 |