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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 | |
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 | ||
43 | #include <stdio.h> | |
44 | #include "_scm.h" | |
45 | ||
bdc88419 MD |
46 | #include "objects.h" |
47 | ||
20e6290e | 48 | #include "procs.h" |
0f2d19dd JB |
49 | \f |
50 | ||
51 | ||
52 | /* {Procedures} | |
53 | */ | |
54 | ||
9de33deb MD |
55 | scm_subr_entry *scm_subr_table; |
56 | ||
98f9c984 | 57 | /* libguile contained approx. 700 primitive procedures on 24 Aug 1999. */ |
9de33deb MD |
58 | |
59 | int scm_subr_table_size = 0; | |
60 | int scm_subr_table_room = 750; | |
1cc91f1b | 61 | |
0f2d19dd JB |
62 | SCM |
63 | scm_make_subr_opt (name, type, fcn, set) | |
3eeba8d4 | 64 | const char *name; |
0f2d19dd JB |
65 | int type; |
66 | SCM (*fcn) (); | |
67 | int set; | |
0f2d19dd JB |
68 | { |
69 | SCM symcell; | |
0f2d19dd | 70 | register SCM z; |
9de33deb MD |
71 | int entry; |
72 | ||
73 | if (scm_subr_table_size == scm_subr_table_room) | |
74 | { | |
98f9c984 JB |
75 | scm_sizet new_size = scm_subr_table_room * 3 / 2; |
76 | void *new_table | |
77 | = scm_must_realloc ((char *) scm_subr_table, | |
78 | sizeof (scm_subr_entry) * scm_subr_table_room, | |
79 | sizeof (scm_subr_entry) * new_size, | |
80 | "scm_make_subr_opt"); | |
9de33deb MD |
81 | scm_subr_table = new_table; |
82 | scm_subr_table_room = new_size; | |
83 | } | |
84 | ||
0f2d19dd | 85 | SCM_NEWCELL (z); |
9de33deb MD |
86 | symcell = set ? scm_sysintern0 (name) : scm_intern0 (name); |
87 | ||
88 | entry = scm_subr_table_size; | |
89 | scm_subr_table[entry].handle = z; | |
90 | scm_subr_table[entry].name = SCM_CAR (symcell); | |
91 | scm_subr_table[entry].generic = 0; | |
92 | scm_subr_table[entry].properties = SCM_EOL; | |
93 | scm_subr_table[entry].documentation = SCM_BOOL_F; | |
94 | ||
0f2d19dd | 95 | SCM_SUBRF (z) = fcn; |
9de33deb MD |
96 | SCM_SETCAR (z, (entry << 8) + type); |
97 | scm_subr_table_size++; | |
98 | ||
0f2d19dd | 99 | if (set) |
a6c64c3c | 100 | SCM_SETCDR (symcell, z); |
9de33deb | 101 | |
0f2d19dd JB |
102 | return z; |
103 | } | |
104 | ||
9de33deb MD |
105 | /* This function isn't currently used since subrs are never freed. */ |
106 | /* *fixme* Need mutex here. */ | |
107 | void | |
108 | scm_free_subr_entry (SCM subr) | |
109 | { | |
110 | int entry = SCM_SUBRNUM (subr); | |
111 | /* Move last entry in table to the free position */ | |
112 | scm_subr_table[entry] = scm_subr_table[scm_subr_table_size - 1]; | |
113 | SCM_SET_SUBRNUM (scm_subr_table[entry].handle, entry); | |
114 | scm_subr_table_size--; | |
115 | } | |
1cc91f1b | 116 | |
0f2d19dd JB |
117 | SCM |
118 | scm_make_subr (name, type, fcn) | |
3eeba8d4 | 119 | const char *name; |
0f2d19dd JB |
120 | int type; |
121 | SCM (*fcn) (); | |
0f2d19dd JB |
122 | { |
123 | return scm_make_subr_opt (name, type, fcn, 1); | |
124 | } | |
125 | ||
9de33deb MD |
126 | SCM |
127 | scm_make_subr_with_generic (const char *name, int type, SCM (*fcn) (), SCM *gf) | |
128 | { | |
129 | SCM subr = scm_make_subr_opt (name, type, fcn, 1); | |
130 | scm_subr_table[scm_subr_table_size - 1].generic = gf; | |
131 | return subr; | |
132 | } | |
133 | ||
134 | void | |
135 | scm_mark_subr_table () | |
136 | { | |
137 | int i; | |
138 | for (i = 0; i < scm_subr_table_size; ++i) | |
139 | { | |
140 | SCM_SETGC8MARK (scm_subr_table[i].name); | |
141 | if (scm_subr_table[i].generic && *scm_subr_table[i].generic) | |
142 | scm_gc_mark (*scm_subr_table[i].generic); | |
143 | if (SCM_NIMP (scm_subr_table[i].properties)) | |
144 | scm_gc_mark (scm_subr_table[i].properties); | |
145 | if (SCM_NIMP (scm_subr_table[i].documentation)) | |
146 | scm_gc_mark (scm_subr_table[i].documentation); | |
147 | } | |
148 | } | |
1cc91f1b | 149 | |
9de33deb MD |
150 | |
151 | #ifdef CCLO | |
0f2d19dd JB |
152 | SCM |
153 | scm_makcclo (proc, len) | |
154 | SCM proc; | |
155 | long len; | |
0f2d19dd JB |
156 | { |
157 | SCM s; | |
158 | SCM_NEWCELL (s); | |
159 | SCM_DEFER_INTS; | |
160 | SCM_SETCHARS (s, scm_must_malloc (len * sizeof (SCM), "compiled-closure")); | |
161 | SCM_SETLENGTH (s, len, scm_tc7_cclo); | |
162 | while (--len) | |
163 | SCM_VELTS (s)[len] = SCM_UNSPECIFIED; | |
164 | SCM_CCLO_SUBR (s) = proc; | |
165 | SCM_ALLOW_INTS; | |
166 | return s; | |
167 | } | |
d88094f9 MD |
168 | |
169 | /* Undocumented debugging procedure */ | |
170 | #ifdef GUILE_DEBUG | |
171 | SCM_PROC (s_make_cclo, "make-cclo", 2, 0, 0, scm_make_cclo); | |
172 | ||
173 | SCM | |
174 | scm_make_cclo (proc, len) | |
175 | SCM proc; | |
176 | SCM len; | |
177 | { | |
178 | return scm_makcclo (proc, SCM_INUM (len)); | |
179 | } | |
180 | #endif | |
0f2d19dd JB |
181 | #endif |
182 | ||
183 | ||
184 | ||
185 | SCM_PROC(s_procedure_p, "procedure?", 1, 0, 0, scm_procedure_p); | |
1cc91f1b | 186 | |
0f2d19dd JB |
187 | SCM |
188 | scm_procedure_p (obj) | |
189 | SCM obj; | |
0f2d19dd JB |
190 | { |
191 | if (SCM_NIMP (obj)) | |
192 | switch (SCM_TYP7 (obj)) | |
193 | { | |
bdc88419 MD |
194 | case scm_tcs_cons_gloc: |
195 | if (!SCM_I_OPERATORP (obj)) | |
196 | break; | |
0f2d19dd JB |
197 | case scm_tcs_closures: |
198 | case scm_tc7_contin: | |
199 | case scm_tcs_subrs: | |
200 | #ifdef CCLO | |
201 | case scm_tc7_cclo: | |
202 | #endif | |
b4cd6492 | 203 | case scm_tc7_pws: |
0f2d19dd JB |
204 | return SCM_BOOL_T; |
205 | default: | |
206 | return SCM_BOOL_F; | |
207 | } | |
208 | return SCM_BOOL_F; | |
209 | } | |
210 | ||
ecdb5eb2 MD |
211 | SCM_PROC(s_closure_p, "closure?", 1, 0, 0, scm_closure_p); |
212 | ||
213 | SCM | |
214 | scm_closure_p (obj) | |
215 | SCM obj; | |
216 | { | |
80ea260c | 217 | return SCM_NIMP (obj) && SCM_CLOSUREP (obj) ? SCM_BOOL_T : SCM_BOOL_F; |
ecdb5eb2 MD |
218 | } |
219 | ||
f76c22af MD |
220 | SCM_PROC(s_thunk_p, "thunk?", 1, 0, 0, scm_thunk_p); |
221 | ||
44bd53b9 MD |
222 | #ifdef __STDC__ |
223 | SCM | |
224 | scm_thunk_p (SCM obj) | |
225 | #else | |
226 | SCM | |
227 | scm_thunk_p (obj) | |
228 | SCM obj; | |
229 | #endif | |
230 | { | |
231 | if (SCM_NIMP (obj)) | |
b4cd6492 MD |
232 | { |
233 | again: | |
234 | switch (SCM_TYP7 (obj)) | |
235 | { | |
236 | case scm_tcs_closures: | |
237 | if (SCM_NULLP (SCM_CAR (SCM_CODE (obj)))) | |
238 | return SCM_BOOL_T; | |
239 | case scm_tc7_subr_0: | |
240 | case scm_tc7_subr_1o: | |
241 | case scm_tc7_lsubr: | |
242 | case scm_tc7_rpsubr: | |
243 | case scm_tc7_asubr: | |
44bd53b9 | 244 | #ifdef CCLO |
b4cd6492 | 245 | case scm_tc7_cclo: |
44bd53b9 | 246 | #endif |
b4cd6492 MD |
247 | return SCM_BOOL_T; |
248 | case scm_tc7_pws: | |
249 | obj = SCM_PROCEDURE (obj); | |
250 | goto again; | |
251 | default: | |
252 | ; | |
253 | } | |
254 | } | |
44bd53b9 MD |
255 | return SCM_BOOL_F; |
256 | } | |
257 | ||
9de33deb MD |
258 | /* Only used internally. */ |
259 | int | |
260 | scm_subr_p (SCM obj) | |
261 | { | |
262 | if (SCM_NIMP (obj)) | |
263 | switch (SCM_TYP7 (obj)) | |
264 | { | |
265 | case scm_tcs_subrs: | |
266 | return 1; | |
267 | default: | |
268 | ; | |
269 | } | |
270 | return 0; | |
271 | } | |
272 | ||
c2c82fba MD |
273 | SCM_PROC(s_procedure_documentation, "procedure-documentation", 1, 0, 0, scm_procedure_documentation); |
274 | ||
275 | SCM | |
276 | scm_procedure_documentation (proc) | |
277 | SCM proc; | |
278 | { | |
279 | SCM code; | |
280 | SCM_ASSERT (SCM_BOOL_T == scm_procedure_p (proc) && SCM_NIMP (proc) && SCM_TYP7 (proc) != scm_tc7_contin, | |
281 | proc, SCM_ARG1, s_procedure_documentation); | |
282 | switch (SCM_TYP7 (proc)) | |
283 | { | |
284 | case scm_tcs_closures: | |
285 | code = SCM_CDR (SCM_CODE (proc)); | |
286 | if (SCM_IMP (SCM_CDR (code))) | |
287 | return SCM_BOOL_F; | |
288 | code = SCM_CAR (code); | |
289 | if (SCM_IMP (code)) | |
290 | return SCM_BOOL_F; | |
291 | if (SCM_STRINGP (code)) | |
292 | return code; | |
293 | default: | |
294 | return SCM_BOOL_F; | |
295 | /* | |
296 | case scm_tcs_subrs: | |
297 | #ifdef CCLO | |
298 | case scm_tc7_cclo: | |
299 | #endif | |
300 | */ | |
301 | } | |
302 | } | |
303 | ||
0f2d19dd | 304 | |
b4cd6492 MD |
305 | /* Procedure-with-setter |
306 | */ | |
307 | ||
308 | SCM_PROC (s_procedure_with_setter_p, "procedure-with-setter?", 1, 0, 0, scm_procedure_with_setter_p); | |
309 | ||
310 | SCM | |
311 | scm_procedure_with_setter_p (SCM obj) | |
312 | { | |
313 | return (SCM_NIMP (obj) && SCM_PROCEDURE_WITH_SETTER_P (obj) | |
314 | ? SCM_BOOL_T | |
315 | : SCM_BOOL_F); | |
316 | } | |
317 | ||
318 | SCM_PROC (s_make_procedure_with_setter, "make-procedure-with-setter", 2, 0, 0, scm_make_procedure_with_setter); | |
319 | ||
320 | SCM | |
321 | scm_make_procedure_with_setter (SCM procedure, SCM setter) | |
322 | { | |
323 | SCM z; | |
324 | SCM_ASSERT (SCM_NFALSEP (scm_procedure_p (procedure)), | |
325 | procedure, SCM_ARG1, s_make_procedure_with_setter); | |
326 | SCM_ASSERT (SCM_NFALSEP (scm_procedure_p (setter)), | |
327 | setter, SCM_ARG2, s_make_procedure_with_setter); | |
328 | SCM_NEWCELL (z); | |
329 | SCM_ENTER_A_SECTION; | |
330 | SCM_SETCDR (z, scm_cons (procedure, setter)); | |
331 | SCM_SETCAR (z, scm_tc7_pws); | |
332 | SCM_EXIT_A_SECTION; | |
333 | return z; | |
334 | } | |
335 | ||
336 | SCM_PROC (s_procedure, "procedure", 1, 0, 0, scm_procedure); | |
337 | ||
338 | SCM | |
339 | scm_procedure (SCM proc) | |
340 | { | |
341 | SCM_ASSERT (SCM_NIMP (proc), proc, SCM_ARG1, s_procedure); | |
342 | if (SCM_PROCEDURE_WITH_SETTER_P (proc)) | |
343 | return SCM_PROCEDURE (proc); | |
344 | else if (SCM_STRUCTP (proc)) | |
345 | { | |
346 | SCM_ASSERT (SCM_I_OPERATORP (proc), proc, SCM_ARG1, s_procedure); | |
347 | return proc; | |
348 | } | |
349 | scm_wrong_type_arg (s_procedure, SCM_ARG1, proc); | |
350 | return 0; /* not reached */ | |
351 | } | |
352 | ||
f5267231 | 353 | SCM_GPROC (s_setter, "setter", 1, 0, 0, scm_setter, g_setter); |
b4cd6492 MD |
354 | |
355 | SCM | |
356 | scm_setter (SCM proc) | |
357 | { | |
f5267231 | 358 | SCM_GASSERT1 (SCM_NIMP (proc), g_setter, proc, SCM_ARG1, s_setter); |
b4cd6492 MD |
359 | if (SCM_PROCEDURE_WITH_SETTER_P (proc)) |
360 | return SCM_SETTER (proc); | |
361 | else if (SCM_STRUCTP (proc)) | |
362 | { | |
c72a774a | 363 | SCM setter; |
f5267231 MD |
364 | SCM_GASSERT1 (SCM_I_OPERATORP (proc), |
365 | g_setter, proc, SCM_ARG1, s_setter); | |
c72a774a MD |
366 | setter = (SCM_I_ENTITYP (proc) |
367 | ? SCM_ENTITY_SETTER (proc) | |
368 | : SCM_OPERATOR_SETTER (proc)); | |
369 | if (SCM_NIMP (setter)) | |
370 | return setter; | |
371 | /* fall through */ | |
b4cd6492 | 372 | } |
f5267231 | 373 | SCM_WTA_DISPATCH_1 (g_setter, proc, SCM_ARG1, s_setter); |
b4cd6492 MD |
374 | return 0; |
375 | } | |
1cc91f1b | 376 | |
9de33deb | 377 | |
0f2d19dd JB |
378 | void |
379 | scm_init_iprocs(subra, type) | |
3eeba8d4 | 380 | const scm_iproc *subra; |
0f2d19dd | 381 | int type; |
0f2d19dd JB |
382 | { |
383 | for(;subra->scm_string; subra++) | |
384 | scm_make_subr(subra->scm_string, | |
385 | type, | |
386 | subra->cproc); | |
387 | } | |
388 | ||
389 | ||
9de33deb MD |
390 | void |
391 | scm_init_subr_table () | |
392 | { | |
393 | scm_subr_table | |
394 | = ((scm_subr_entry *) | |
395 | scm_must_malloc (sizeof (scm_subr_entry) * scm_subr_table_room, | |
396 | "scm_subr_table")); | |
397 | } | |
1cc91f1b | 398 | |
0f2d19dd JB |
399 | void |
400 | scm_init_procs () | |
0f2d19dd JB |
401 | { |
402 | #include "procs.x" | |
403 | } |