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2ade72d7 | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001 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. */ |
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 | ||
47 | #include <stdio.h> | |
e6e2e95a MD |
48 | #include <errno.h> |
49 | ||
a0599745 | 50 | #include "libguile/_scm.h" |
20e6290e | 51 | |
a0599745 MD |
52 | #include "libguile/objects.h" |
53 | #include "libguile/ports.h" | |
d7ec6b9f | 54 | |
0f2d19dd JB |
55 | #ifdef HAVE_MALLOC_H |
56 | #include <malloc.h> | |
57 | #endif | |
58 | ||
a0599745 | 59 | #include "libguile/smob.h" |
9dd5943c | 60 | |
0f2d19dd JB |
61 | \f |
62 | ||
63 | /* scm_smobs scm_numsmob | |
7a7f7c53 | 64 | * implement a fixed sized array of smob records. |
0f2d19dd JB |
65 | * Indexes into this table are used when generating type |
66 | * tags for smobjects (if you know a tag you can get an index and conversely). | |
67 | */ | |
7a7f7c53 DH |
68 | |
69 | #define MAX_SMOB_COUNT 256 | |
4e6e2119 | 70 | int scm_numsmob; |
7a7f7c53 | 71 | scm_smob_descriptor scm_smobs[MAX_SMOB_COUNT]; |
0f2d19dd | 72 | |
9dd5943c MD |
73 | /* {Mark} |
74 | */ | |
75 | ||
76 | /* This function is vestigial. It used to be the mark function's | |
77 | responsibility to set the mark bit on the smob or port, but now the | |
78 | generic marking routine in gc.c takes care of that, and a zero | |
79 | pointer for a mark function means "don't bother". So you never | |
80 | need scm_mark0. | |
81 | ||
82 | However, we leave it here because it's harmless to call it, and | |
83 | people out there have smob code that uses it, and there's no reason | |
84 | to make their links fail. */ | |
85 | ||
86 | SCM | |
6e8d25a6 | 87 | scm_mark0 (SCM ptr) |
9dd5943c MD |
88 | { |
89 | return SCM_BOOL_F; | |
90 | } | |
91 | ||
92 | SCM | |
22a52da1 DH |
93 | /* Dirk::FIXME: The name markcdr is misleading, since the term cdr should only |
94 | be used for real pairs. */ | |
6e8d25a6 | 95 | scm_markcdr (SCM ptr) |
9dd5943c | 96 | { |
22a52da1 | 97 | return SCM_CELL_OBJECT_1 (ptr); |
9dd5943c MD |
98 | } |
99 | ||
100 | /* {Free} | |
101 | */ | |
102 | ||
103 | scm_sizet | |
6e8d25a6 | 104 | scm_free0 (SCM ptr) |
9dd5943c MD |
105 | { |
106 | return 0; | |
107 | } | |
108 | ||
109 | scm_sizet | |
110 | scm_smob_free (SCM obj) | |
111 | { | |
54778cd3 | 112 | scm_must_free ((char *) SCM_CELL_WORD_1 (obj)); |
9dd5943c MD |
113 | return scm_smobs[SCM_SMOBNUM (obj)].size; |
114 | } | |
115 | ||
116 | /* {Print} | |
117 | */ | |
118 | ||
119 | int | |
120 | scm_smob_print (SCM exp, SCM port, scm_print_state *pstate) | |
121 | { | |
7a7f7c53 | 122 | unsigned int n = SCM_SMOBNUM (exp); |
9dd5943c | 123 | scm_puts ("#<", port); |
2c16a78a | 124 | scm_puts (SCM_SMOBNAME (n) ? SCM_SMOBNAME (n) : "smob", port); |
9dd5943c | 125 | scm_putc (' ', port); |
7a7f7c53 DH |
126 | if (scm_smobs[n].size) |
127 | scm_intprint (SCM_CELL_WORD_1 (exp), 16, port); | |
128 | else | |
129 | scm_intprint (SCM_UNPACK (exp), 16, port); | |
9dd5943c MD |
130 | scm_putc ('>', port); |
131 | return 1; | |
132 | } | |
1cc91f1b | 133 | |
0717dfd8 KN |
134 | /* {Apply} |
135 | */ | |
136 | ||
cb1c46c5 KN |
137 | #define SCM_SMOB_APPLY0(SMOB) \ |
138 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB) | |
139 | #define SCM_SMOB_APPLY1(SMOB,A1) \ | |
140 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB, A1) | |
141 | #define SCM_SMOB_APPLY2(SMOB,A1,A2) \ | |
142 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB, A1, A2) | |
143 | #define SCM_SMOB_APPLY3(SMOB,A1,A2,A3) \ | |
144 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB, A1, A2, A3) | |
145 | ||
cb1c46c5 KN |
146 | static SCM |
147 | scm_smob_apply_0_010 (SCM smob) | |
0717dfd8 | 148 | { |
cb1c46c5 | 149 | return SCM_SMOB_APPLY1 (smob, SCM_UNDEFINED); |
0717dfd8 KN |
150 | } |
151 | ||
cb1c46c5 KN |
152 | static SCM |
153 | scm_smob_apply_0_020 (SCM smob) | |
0717dfd8 | 154 | { |
cb1c46c5 | 155 | return SCM_SMOB_APPLY2 (smob, SCM_UNDEFINED, SCM_UNDEFINED); |
0717dfd8 KN |
156 | } |
157 | ||
cb1c46c5 KN |
158 | static SCM |
159 | scm_smob_apply_0_030 (SCM smob) | |
0717dfd8 | 160 | { |
cb1c46c5 | 161 | return SCM_SMOB_APPLY3 (smob, SCM_UNDEFINED, SCM_UNDEFINED, SCM_UNDEFINED); |
0717dfd8 KN |
162 | } |
163 | ||
cb1c46c5 KN |
164 | static SCM |
165 | scm_smob_apply_0_001 (SCM smob) | |
0717dfd8 | 166 | { |
cb1c46c5 KN |
167 | return SCM_SMOB_APPLY1 (smob, SCM_EOL); |
168 | } | |
169 | ||
170 | static SCM | |
171 | scm_smob_apply_0_011 (SCM smob) | |
172 | { | |
173 | return SCM_SMOB_APPLY2 (smob, SCM_UNDEFINED, SCM_EOL); | |
174 | } | |
175 | ||
176 | static SCM | |
177 | scm_smob_apply_0_021 (SCM smob) | |
178 | { | |
179 | return SCM_SMOB_APPLY3 (smob, SCM_UNDEFINED, SCM_UNDEFINED, SCM_EOL); | |
180 | } | |
181 | ||
182 | static SCM | |
183 | scm_smob_apply_0_error (SCM smob) | |
184 | { | |
185 | scm_wrong_num_args (smob); | |
186 | } | |
187 | ||
cb1c46c5 KN |
188 | static SCM |
189 | scm_smob_apply_1_020 (SCM smob, SCM a1) | |
190 | { | |
191 | return SCM_SMOB_APPLY2 (smob, a1, SCM_UNDEFINED); | |
192 | } | |
193 | ||
194 | static SCM | |
195 | scm_smob_apply_1_030 (SCM smob, SCM a1) | |
196 | { | |
197 | return SCM_SMOB_APPLY3 (smob, a1, SCM_UNDEFINED, SCM_UNDEFINED); | |
198 | } | |
199 | ||
200 | static SCM | |
201 | scm_smob_apply_1_001 (SCM smob, SCM a1) | |
202 | { | |
203 | return SCM_SMOB_APPLY1 (smob, SCM_LIST1 (a1)); | |
204 | } | |
205 | ||
206 | static SCM | |
207 | scm_smob_apply_1_011 (SCM smob, SCM a1) | |
208 | { | |
209 | return SCM_SMOB_APPLY2 (smob, a1, SCM_EOL); | |
210 | } | |
211 | ||
212 | static SCM | |
213 | scm_smob_apply_1_021 (SCM smob, SCM a1) | |
214 | { | |
215 | return SCM_SMOB_APPLY3 (smob, a1, SCM_UNDEFINED, SCM_EOL); | |
216 | } | |
217 | ||
218 | static SCM | |
219 | scm_smob_apply_1_error (SCM smob, SCM a1) | |
220 | { | |
221 | scm_wrong_num_args (smob); | |
222 | } | |
223 | ||
cb1c46c5 KN |
224 | static SCM |
225 | scm_smob_apply_2_030 (SCM smob, SCM a1, SCM a2) | |
226 | { | |
227 | return SCM_SMOB_APPLY3 (smob, a1, a2, SCM_UNDEFINED); | |
228 | } | |
229 | ||
230 | static SCM | |
231 | scm_smob_apply_2_001 (SCM smob, SCM a1, SCM a2) | |
232 | { | |
233 | return SCM_SMOB_APPLY1 (smob, SCM_LIST2 (a1, a2)); | |
7c58e21b | 234 | } |
cb1c46c5 KN |
235 | |
236 | static SCM | |
237 | scm_smob_apply_2_011 (SCM smob, SCM a1, SCM a2) | |
238 | { | |
239 | return SCM_SMOB_APPLY2 (smob, a1, SCM_LIST1 (a2)); | |
240 | } | |
241 | ||
242 | static SCM | |
243 | scm_smob_apply_2_021 (SCM smob, SCM a1, SCM a2) | |
244 | { | |
245 | return SCM_SMOB_APPLY3 (smob, a1, a2, SCM_EOL); | |
246 | } | |
247 | ||
248 | static SCM | |
249 | scm_smob_apply_2_error (SCM smob, SCM a1, SCM a2) | |
250 | { | |
251 | scm_wrong_num_args (smob); | |
252 | } | |
253 | ||
254 | static SCM | |
255 | scm_smob_apply_3_030 (SCM smob, SCM a1, SCM a2, SCM rst) | |
256 | { | |
257 | if (!SCM_NULLP (SCM_CDR (rst))) | |
258 | scm_wrong_num_args (smob); | |
259 | return SCM_SMOB_APPLY3 (smob, a1, a2, SCM_CAR (rst)); | |
260 | } | |
261 | ||
262 | static SCM | |
263 | scm_smob_apply_3_001 (SCM smob, SCM a1, SCM a2, SCM rst) | |
264 | { | |
265 | return SCM_SMOB_APPLY1 (smob, scm_cons2 (a1, a2, rst)); | |
0717dfd8 KN |
266 | } |
267 | ||
cb1c46c5 KN |
268 | static SCM |
269 | scm_smob_apply_3_011 (SCM smob, SCM a1, SCM a2, SCM rst) | |
270 | { | |
271 | return SCM_SMOB_APPLY2 (smob, a1, scm_cons (a2, rst)); | |
272 | } | |
273 | ||
274 | static SCM | |
275 | scm_smob_apply_3_021 (SCM smob, SCM a1, SCM a2, SCM rst) | |
276 | { | |
277 | return SCM_SMOB_APPLY3 (smob, a1, a2, rst); | |
278 | } | |
279 | ||
280 | static SCM | |
281 | scm_smob_apply_3_error (SCM smob, SCM a1, SCM a2, SCM rst) | |
282 | { | |
283 | scm_wrong_num_args (smob); | |
284 | } | |
285 | ||
286 | \f | |
7a7f7c53 | 287 | |
8a39e3fc | 288 | scm_bits_t |
9dd5943c | 289 | scm_make_smob_type (char *name, scm_sizet size) |
7a7f7c53 | 290 | #define FUNC_NAME "scm_make_smob_type" |
0f2d19dd | 291 | { |
7a7f7c53 DH |
292 | unsigned int new_smob; |
293 | ||
294 | SCM_ENTER_A_SECTION; /* scm_numsmob */ | |
295 | new_smob = scm_numsmob; | |
296 | if (scm_numsmob != MAX_SMOB_COUNT) | |
297 | ++scm_numsmob; | |
298 | SCM_EXIT_A_SECTION; | |
299 | ||
300 | if (new_smob == MAX_SMOB_COUNT) | |
301 | scm_misc_error (FUNC_NAME, "maximum number of smobs exceeded", SCM_EOL); | |
302 | ||
303 | scm_smobs[new_smob].name = name; | |
304 | if (size != 0) | |
2500356c | 305 | { |
7a7f7c53 DH |
306 | scm_smobs[new_smob].size = size; |
307 | scm_smobs[new_smob].free = scm_smob_free; | |
2500356c | 308 | } |
7a7f7c53 | 309 | |
d7ec6b9f MD |
310 | /* Make a class object if Goops is present. */ |
311 | if (scm_smob_class) | |
7a7f7c53 DH |
312 | scm_smob_class[new_smob] = scm_make_extended_class (name); |
313 | ||
314 | return scm_tc7_smob + new_smob * 256; | |
0f2d19dd | 315 | } |
7a7f7c53 DH |
316 | #undef FUNC_NAME |
317 | ||
0f2d19dd | 318 | |
9dd5943c | 319 | void |
03416a99 | 320 | scm_set_smob_mark (scm_bits_t tc, SCM (*mark) (SCM)) |
9dd5943c MD |
321 | { |
322 | scm_smobs[SCM_TC2SMOBNUM (tc)].mark = mark; | |
323 | } | |
324 | ||
325 | void | |
03416a99 | 326 | scm_set_smob_free (scm_bits_t tc, scm_sizet (*free) (SCM)) |
9dd5943c MD |
327 | { |
328 | scm_smobs[SCM_TC2SMOBNUM (tc)].free = free; | |
329 | } | |
330 | ||
331 | void | |
03416a99 | 332 | scm_set_smob_print (scm_bits_t tc, int (*print) (SCM, SCM, scm_print_state*)) |
9dd5943c MD |
333 | { |
334 | scm_smobs[SCM_TC2SMOBNUM (tc)].print = print; | |
335 | } | |
336 | ||
337 | void | |
03416a99 | 338 | scm_set_smob_equalp (scm_bits_t tc, SCM (*equalp) (SCM, SCM)) |
9dd5943c MD |
339 | { |
340 | scm_smobs[SCM_TC2SMOBNUM (tc)].equalp = equalp; | |
341 | } | |
342 | ||
0717dfd8 | 343 | void |
03416a99 | 344 | scm_set_smob_apply (scm_bits_t tc, SCM (*apply) (), |
7c58e21b | 345 | unsigned int req, unsigned int opt, unsigned int rst) |
0717dfd8 | 346 | { |
cb1c46c5 KN |
347 | SCM (*apply_0) (SCM); |
348 | SCM (*apply_1) (SCM, SCM); | |
349 | SCM (*apply_2) (SCM, SCM, SCM); | |
350 | SCM (*apply_3) (SCM, SCM, SCM, SCM); | |
351 | int type = SCM_GSUBR_MAKTYPE (req, opt, rst); | |
352 | ||
7c58e21b | 353 | if (rst > 1 || req + opt + rst > 3) |
cb1c46c5 KN |
354 | { |
355 | puts ("Unsupported smob application type"); | |
356 | abort (); | |
357 | } | |
358 | ||
359 | switch (type) | |
360 | { | |
361 | case SCM_GSUBR_MAKTYPE (0, 0, 0): | |
7c58e21b | 362 | apply_0 = apply; break; |
cb1c46c5 KN |
363 | case SCM_GSUBR_MAKTYPE (0, 1, 0): |
364 | apply_0 = scm_smob_apply_0_010; break; | |
365 | case SCM_GSUBR_MAKTYPE (0, 2, 0): | |
366 | apply_0 = scm_smob_apply_0_020; break; | |
367 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
368 | apply_0 = scm_smob_apply_0_030; break; | |
369 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
370 | apply_0 = scm_smob_apply_0_001; break; | |
371 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
372 | apply_0 = scm_smob_apply_0_011; break; | |
373 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
374 | apply_0 = scm_smob_apply_0_021; break; | |
375 | default: | |
376 | apply_0 = scm_smob_apply_0_error; break; | |
377 | } | |
378 | ||
379 | switch (type) | |
380 | { | |
381 | case SCM_GSUBR_MAKTYPE (1, 0, 0): | |
382 | case SCM_GSUBR_MAKTYPE (0, 1, 0): | |
7c58e21b | 383 | apply_1 = apply; break; |
cb1c46c5 KN |
384 | case SCM_GSUBR_MAKTYPE (1, 1, 0): |
385 | case SCM_GSUBR_MAKTYPE (0, 2, 0): | |
386 | apply_1 = scm_smob_apply_1_020; break; | |
387 | case SCM_GSUBR_MAKTYPE (1, 2, 0): | |
388 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
389 | apply_1 = scm_smob_apply_1_030; break; | |
390 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
391 | apply_1 = scm_smob_apply_1_001; break; | |
392 | case SCM_GSUBR_MAKTYPE (1, 0, 1): | |
393 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
394 | apply_1 = scm_smob_apply_1_011; break; | |
395 | case SCM_GSUBR_MAKTYPE (1, 1, 1): | |
396 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
397 | apply_1 = scm_smob_apply_1_021; break; | |
398 | default: | |
399 | apply_1 = scm_smob_apply_1_error; break; | |
400 | } | |
401 | ||
402 | switch (type) | |
403 | { | |
404 | case SCM_GSUBR_MAKTYPE (2, 0, 0): | |
405 | case SCM_GSUBR_MAKTYPE (1, 1, 0): | |
406 | case SCM_GSUBR_MAKTYPE (0, 2, 0): | |
7c58e21b | 407 | apply_2 = apply; break; |
cb1c46c5 KN |
408 | case SCM_GSUBR_MAKTYPE (2, 1, 0): |
409 | case SCM_GSUBR_MAKTYPE (1, 2, 0): | |
410 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
411 | apply_2 = scm_smob_apply_2_030; break; | |
412 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
413 | apply_2 = scm_smob_apply_2_001; break; | |
414 | case SCM_GSUBR_MAKTYPE (1, 0, 1): | |
415 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
416 | apply_2 = scm_smob_apply_2_011; break; | |
417 | case SCM_GSUBR_MAKTYPE (2, 0, 1): | |
418 | case SCM_GSUBR_MAKTYPE (1, 1, 1): | |
419 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
420 | apply_2 = scm_smob_apply_2_021; break; | |
421 | default: | |
422 | apply_2 = scm_smob_apply_2_error; break; | |
423 | } | |
424 | ||
425 | switch (type) | |
426 | { | |
427 | case SCM_GSUBR_MAKTYPE (3, 0, 0): | |
428 | case SCM_GSUBR_MAKTYPE (2, 1, 0): | |
429 | case SCM_GSUBR_MAKTYPE (1, 2, 0): | |
430 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
431 | apply_3 = scm_smob_apply_3_030; break; | |
432 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
433 | apply_3 = scm_smob_apply_3_001; break; | |
434 | case SCM_GSUBR_MAKTYPE (1, 0, 1): | |
435 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
436 | apply_3 = scm_smob_apply_3_011; break; | |
437 | case SCM_GSUBR_MAKTYPE (2, 0, 1): | |
438 | case SCM_GSUBR_MAKTYPE (1, 1, 1): | |
439 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
440 | apply_3 = scm_smob_apply_3_021; break; | |
441 | default: | |
442 | apply_3 = scm_smob_apply_3_error; break; | |
443 | } | |
444 | ||
03416a99 | 445 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply = apply; |
cb1c46c5 KN |
446 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_0 = apply_0; |
447 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_1 = apply_1; | |
448 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_2 = apply_2; | |
449 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_3 = apply_3; | |
68b06924 | 450 | scm_smobs[SCM_TC2SMOBNUM (tc)].gsubr_type = type; |
0717dfd8 KN |
451 | } |
452 | ||
9dd5943c | 453 | SCM |
03416a99 | 454 | scm_make_smob (scm_bits_t tc) |
9dd5943c MD |
455 | { |
456 | int n = SCM_TC2SMOBNUM (tc); | |
457 | scm_sizet size = scm_smobs[n].size; | |
458 | SCM z; | |
459 | SCM_NEWCELL (z); | |
460 | if (size != 0) | |
461 | { | |
462 | #if 0 | |
2ade72d7 DH |
463 | if (scm_smobs[n].mark != 0) |
464 | { | |
465 | fprintf | |
466 | (stderr, | |
467 | "forbidden operation for smobs with GC data, use SCM_NEWSMOB\n"); | |
468 | abort (); | |
469 | } | |
9dd5943c MD |
470 | #endif |
471 | SCM_SET_SMOB_DATA (z, scm_must_malloc (size, SCM_SMOBNAME (n))); | |
472 | } | |
54778cd3 | 473 | SCM_SET_CELL_TYPE (z, tc); |
9dd5943c MD |
474 | return z; |
475 | } | |
476 | ||
ceef3208 | 477 | \f |
7c58e21b KN |
478 | /* {Deprecated stuff} |
479 | */ | |
480 | ||
481 | #if (SCM_DEBUG_DEPRECATED == 0) | |
482 | ||
483 | long | |
484 | scm_make_smob_type_mfpe (char *name, scm_sizet size, | |
485 | SCM (*mark) (SCM), | |
486 | scm_sizet (*free) (SCM), | |
487 | int (*print) (SCM, SCM, scm_print_state *), | |
488 | SCM (*equalp) (SCM, SCM)) | |
489 | { | |
490 | long answer = scm_make_smob_type (name, size); | |
491 | scm_set_smob_mfpe (answer, mark, free, print, equalp); | |
492 | return answer; | |
493 | } | |
494 | ||
495 | void | |
496 | scm_set_smob_mfpe (long tc, | |
497 | SCM (*mark) (SCM), | |
498 | scm_sizet (*free) (SCM), | |
499 | int (*print) (SCM, SCM, scm_print_state *), | |
500 | SCM (*equalp) (SCM, SCM)) | |
501 | { | |
502 | if (mark) scm_set_smob_mark (tc, mark); | |
503 | if (free) scm_set_smob_free (tc, free); | |
504 | if (print) scm_set_smob_print (tc, print); | |
505 | if (equalp) scm_set_smob_equalp (tc, equalp); | |
506 | } | |
507 | ||
508 | #endif /* SCM_DEBUG_DEPRECATED == 0 */ | |
509 | ||
510 | \f | |
0f2d19dd JB |
511 | /* {Initialization for i/o types, float, bignum, the type of free cells} |
512 | */ | |
513 | ||
ceef3208 | 514 | static int |
e841c3e0 | 515 | free_print (SCM exp, SCM port, scm_print_state *pstate) |
ceef3208 JB |
516 | { |
517 | char buf[100]; | |
518 | ||
e841c3e0 KN |
519 | sprintf (buf, "#<freed cell %p; GC missed a reference>", |
520 | (void *) SCM_UNPACK (exp)); | |
ceef3208 JB |
521 | scm_puts (buf, port); |
522 | ||
523 | return 1; | |
524 | } | |
525 | ||
0f2d19dd JB |
526 | void |
527 | scm_smob_prehistory () | |
0f2d19dd | 528 | { |
7a7f7c53 | 529 | unsigned int i; |
e841c3e0 KN |
530 | scm_bits_t tc; |
531 | ||
0f2d19dd | 532 | scm_numsmob = 0; |
7a7f7c53 DH |
533 | for (i = 0; i < MAX_SMOB_COUNT; ++i) |
534 | { | |
535 | scm_smobs[i].name = 0; | |
536 | scm_smobs[i].size = 0; | |
537 | scm_smobs[i].mark = 0; | |
538 | scm_smobs[i].free = 0; | |
539 | scm_smobs[i].print = scm_smob_print; | |
540 | scm_smobs[i].equalp = 0; | |
541 | scm_smobs[i].apply = 0; | |
542 | scm_smobs[i].apply_0 = 0; | |
543 | scm_smobs[i].apply_1 = 0; | |
544 | scm_smobs[i].apply_2 = 0; | |
545 | scm_smobs[i].apply_3 = 0; | |
546 | scm_smobs[i].gsubr_type = 0; | |
547 | } | |
9dd5943c MD |
548 | |
549 | /* WARNING: These scm_make_smob_type calls must be done in this order */ | |
e841c3e0 KN |
550 | tc = scm_make_smob_type ("free", 0); |
551 | scm_set_smob_print (tc, free_print); | |
23a62151 | 552 | |
7a7f7c53 | 553 | tc = scm_make_smob_type ("big", 0); /* freed in gc */ |
e841c3e0 KN |
554 | scm_set_smob_print (tc, scm_bigprint); |
555 | scm_set_smob_equalp (tc, scm_bigequal); | |
23a62151 | 556 | |
e841c3e0 KN |
557 | tc = scm_make_smob_type ("real", 0); /* freed in gc */ |
558 | scm_set_smob_print (tc, scm_print_real); | |
559 | scm_set_smob_equalp (tc, scm_real_equalp); | |
16d35552 | 560 | |
7a7f7c53 | 561 | tc = scm_make_smob_type ("complex", 0); /* freed in gc */ |
e841c3e0 KN |
562 | scm_set_smob_print (tc, scm_print_complex); |
563 | scm_set_smob_equalp (tc, scm_complex_equalp); | |
0f2d19dd | 564 | } |
89e00824 ML |
565 | |
566 | /* | |
567 | Local Variables: | |
568 | c-file-style: "gnu" | |
569 | End: | |
570 | */ |