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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 | |
64 | * implement a dynamicly resized array of smob records. | |
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 | */ | |
4e6e2119 | 68 | int scm_numsmob; |
9dd5943c | 69 | scm_smob_descriptor *scm_smobs; |
0f2d19dd | 70 | |
9dd5943c MD |
71 | /* {Mark} |
72 | */ | |
73 | ||
74 | /* This function is vestigial. It used to be the mark function's | |
75 | responsibility to set the mark bit on the smob or port, but now the | |
76 | generic marking routine in gc.c takes care of that, and a zero | |
77 | pointer for a mark function means "don't bother". So you never | |
78 | need scm_mark0. | |
79 | ||
80 | However, we leave it here because it's harmless to call it, and | |
81 | people out there have smob code that uses it, and there's no reason | |
82 | to make their links fail. */ | |
83 | ||
84 | SCM | |
6e8d25a6 | 85 | scm_mark0 (SCM ptr) |
9dd5943c MD |
86 | { |
87 | return SCM_BOOL_F; | |
88 | } | |
89 | ||
90 | SCM | |
6e8d25a6 | 91 | scm_markcdr (SCM ptr) |
9dd5943c MD |
92 | { |
93 | return SCM_CDR (ptr); | |
94 | } | |
95 | ||
96 | /* {Free} | |
97 | */ | |
98 | ||
99 | scm_sizet | |
6e8d25a6 | 100 | scm_free0 (SCM ptr) |
9dd5943c MD |
101 | { |
102 | return 0; | |
103 | } | |
104 | ||
105 | scm_sizet | |
106 | scm_smob_free (SCM obj) | |
107 | { | |
54778cd3 | 108 | scm_must_free ((char *) SCM_CELL_WORD_1 (obj)); |
9dd5943c MD |
109 | return scm_smobs[SCM_SMOBNUM (obj)].size; |
110 | } | |
111 | ||
112 | /* {Print} | |
113 | */ | |
114 | ||
115 | int | |
116 | scm_smob_print (SCM exp, SCM port, scm_print_state *pstate) | |
117 | { | |
118 | int n = SCM_SMOBNUM (exp); | |
119 | scm_puts ("#<", port); | |
2c16a78a | 120 | scm_puts (SCM_SMOBNAME (n) ? SCM_SMOBNAME (n) : "smob", port); |
9dd5943c | 121 | scm_putc (' ', port); |
f1267706 | 122 | scm_intprint (SCM_UNPACK (scm_smobs[n].size ? SCM_CDR (exp) : exp), 16, port); |
9dd5943c MD |
123 | scm_putc ('>', port); |
124 | return 1; | |
125 | } | |
1cc91f1b | 126 | |
0717dfd8 KN |
127 | /* {Apply} |
128 | */ | |
129 | ||
cb1c46c5 KN |
130 | #define SCM_SMOB_APPLY0(SMOB) \ |
131 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB) | |
132 | #define SCM_SMOB_APPLY1(SMOB,A1) \ | |
133 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB, A1) | |
134 | #define SCM_SMOB_APPLY2(SMOB,A1,A2) \ | |
135 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB, A1, A2) | |
136 | #define SCM_SMOB_APPLY3(SMOB,A1,A2,A3) \ | |
137 | SCM_SMOB_DESCRIPTOR (SMOB).apply (SMOB, A1, A2, A3) | |
138 | ||
cb1c46c5 KN |
139 | static SCM |
140 | scm_smob_apply_0_010 (SCM smob) | |
0717dfd8 | 141 | { |
cb1c46c5 | 142 | return SCM_SMOB_APPLY1 (smob, SCM_UNDEFINED); |
0717dfd8 KN |
143 | } |
144 | ||
cb1c46c5 KN |
145 | static SCM |
146 | scm_smob_apply_0_020 (SCM smob) | |
0717dfd8 | 147 | { |
cb1c46c5 | 148 | return SCM_SMOB_APPLY2 (smob, SCM_UNDEFINED, SCM_UNDEFINED); |
0717dfd8 KN |
149 | } |
150 | ||
cb1c46c5 KN |
151 | static SCM |
152 | scm_smob_apply_0_030 (SCM smob) | |
0717dfd8 | 153 | { |
cb1c46c5 | 154 | return SCM_SMOB_APPLY3 (smob, SCM_UNDEFINED, SCM_UNDEFINED, SCM_UNDEFINED); |
0717dfd8 KN |
155 | } |
156 | ||
cb1c46c5 KN |
157 | static SCM |
158 | scm_smob_apply_0_001 (SCM smob) | |
0717dfd8 | 159 | { |
cb1c46c5 KN |
160 | return SCM_SMOB_APPLY1 (smob, SCM_EOL); |
161 | } | |
162 | ||
163 | static SCM | |
164 | scm_smob_apply_0_011 (SCM smob) | |
165 | { | |
166 | return SCM_SMOB_APPLY2 (smob, SCM_UNDEFINED, SCM_EOL); | |
167 | } | |
168 | ||
169 | static SCM | |
170 | scm_smob_apply_0_021 (SCM smob) | |
171 | { | |
172 | return SCM_SMOB_APPLY3 (smob, SCM_UNDEFINED, SCM_UNDEFINED, SCM_EOL); | |
173 | } | |
174 | ||
175 | static SCM | |
176 | scm_smob_apply_0_error (SCM smob) | |
177 | { | |
178 | scm_wrong_num_args (smob); | |
179 | } | |
180 | ||
cb1c46c5 KN |
181 | static SCM |
182 | scm_smob_apply_1_020 (SCM smob, SCM a1) | |
183 | { | |
184 | return SCM_SMOB_APPLY2 (smob, a1, SCM_UNDEFINED); | |
185 | } | |
186 | ||
187 | static SCM | |
188 | scm_smob_apply_1_030 (SCM smob, SCM a1) | |
189 | { | |
190 | return SCM_SMOB_APPLY3 (smob, a1, SCM_UNDEFINED, SCM_UNDEFINED); | |
191 | } | |
192 | ||
193 | static SCM | |
194 | scm_smob_apply_1_001 (SCM smob, SCM a1) | |
195 | { | |
196 | return SCM_SMOB_APPLY1 (smob, SCM_LIST1 (a1)); | |
197 | } | |
198 | ||
199 | static SCM | |
200 | scm_smob_apply_1_011 (SCM smob, SCM a1) | |
201 | { | |
202 | return SCM_SMOB_APPLY2 (smob, a1, SCM_EOL); | |
203 | } | |
204 | ||
205 | static SCM | |
206 | scm_smob_apply_1_021 (SCM smob, SCM a1) | |
207 | { | |
208 | return SCM_SMOB_APPLY3 (smob, a1, SCM_UNDEFINED, SCM_EOL); | |
209 | } | |
210 | ||
211 | static SCM | |
212 | scm_smob_apply_1_error (SCM smob, SCM a1) | |
213 | { | |
214 | scm_wrong_num_args (smob); | |
215 | } | |
216 | ||
cb1c46c5 KN |
217 | static SCM |
218 | scm_smob_apply_2_030 (SCM smob, SCM a1, SCM a2) | |
219 | { | |
220 | return SCM_SMOB_APPLY3 (smob, a1, a2, SCM_UNDEFINED); | |
221 | } | |
222 | ||
223 | static SCM | |
224 | scm_smob_apply_2_001 (SCM smob, SCM a1, SCM a2) | |
225 | { | |
226 | return SCM_SMOB_APPLY1 (smob, SCM_LIST2 (a1, a2)); | |
7c58e21b | 227 | } |
cb1c46c5 KN |
228 | |
229 | static SCM | |
230 | scm_smob_apply_2_011 (SCM smob, SCM a1, SCM a2) | |
231 | { | |
232 | return SCM_SMOB_APPLY2 (smob, a1, SCM_LIST1 (a2)); | |
233 | } | |
234 | ||
235 | static SCM | |
236 | scm_smob_apply_2_021 (SCM smob, SCM a1, SCM a2) | |
237 | { | |
238 | return SCM_SMOB_APPLY3 (smob, a1, a2, SCM_EOL); | |
239 | } | |
240 | ||
241 | static SCM | |
242 | scm_smob_apply_2_error (SCM smob, SCM a1, SCM a2) | |
243 | { | |
244 | scm_wrong_num_args (smob); | |
245 | } | |
246 | ||
247 | static SCM | |
248 | scm_smob_apply_3_030 (SCM smob, SCM a1, SCM a2, SCM rst) | |
249 | { | |
250 | if (!SCM_NULLP (SCM_CDR (rst))) | |
251 | scm_wrong_num_args (smob); | |
252 | return SCM_SMOB_APPLY3 (smob, a1, a2, SCM_CAR (rst)); | |
253 | } | |
254 | ||
255 | static SCM | |
256 | scm_smob_apply_3_001 (SCM smob, SCM a1, SCM a2, SCM rst) | |
257 | { | |
258 | return SCM_SMOB_APPLY1 (smob, scm_cons2 (a1, a2, rst)); | |
0717dfd8 KN |
259 | } |
260 | ||
cb1c46c5 KN |
261 | static SCM |
262 | scm_smob_apply_3_011 (SCM smob, SCM a1, SCM a2, SCM rst) | |
263 | { | |
264 | return SCM_SMOB_APPLY2 (smob, a1, scm_cons (a2, rst)); | |
265 | } | |
266 | ||
267 | static SCM | |
268 | scm_smob_apply_3_021 (SCM smob, SCM a1, SCM a2, SCM rst) | |
269 | { | |
270 | return SCM_SMOB_APPLY3 (smob, a1, a2, rst); | |
271 | } | |
272 | ||
273 | static SCM | |
274 | scm_smob_apply_3_error (SCM smob, SCM a1, SCM a2, SCM rst) | |
275 | { | |
276 | scm_wrong_num_args (smob); | |
277 | } | |
278 | ||
279 | \f | |
8a39e3fc | 280 | scm_bits_t |
9dd5943c | 281 | scm_make_smob_type (char *name, scm_sizet size) |
0f2d19dd JB |
282 | { |
283 | char *tmp; | |
284 | if (255 <= scm_numsmob) | |
285 | goto smoberr; | |
286 | SCM_DEFER_INTS; | |
9dd5943c MD |
287 | SCM_SYSCALL (tmp = (char *) realloc ((char *) scm_smobs, |
288 | (1 + scm_numsmob) | |
289 | * sizeof (scm_smob_descriptor))); | |
0f2d19dd JB |
290 | if (tmp) |
291 | { | |
9dd5943c | 292 | scm_smobs = (scm_smob_descriptor *) tmp; |
03416a99 KN |
293 | scm_smobs[scm_numsmob].name = name; |
294 | scm_smobs[scm_numsmob].size = size; | |
295 | scm_smobs[scm_numsmob].mark = 0; | |
296 | scm_smobs[scm_numsmob].free = (size == 0 ? scm_free0 : scm_smob_free); | |
297 | scm_smobs[scm_numsmob].print = scm_smob_print; | |
298 | scm_smobs[scm_numsmob].equalp = 0; | |
299 | scm_smobs[scm_numsmob].apply = 0; | |
cb1c46c5 KN |
300 | scm_smobs[scm_numsmob].apply_0 = 0; |
301 | scm_smobs[scm_numsmob].apply_1 = 0; | |
302 | scm_smobs[scm_numsmob].apply_2 = 0; | |
303 | scm_smobs[scm_numsmob].apply_3 = 0; | |
914cceec | 304 | scm_smobs[scm_numsmob].gsubr_type = 0; |
0f2d19dd JB |
305 | scm_numsmob++; |
306 | } | |
307 | SCM_ALLOW_INTS; | |
2500356c DH |
308 | if (!tmp) |
309 | { | |
310 | smoberr: | |
311 | scm_memory_error ("scm_make_smob_type"); | |
312 | } | |
d7ec6b9f MD |
313 | /* Make a class object if Goops is present. */ |
314 | if (scm_smob_class) | |
315 | scm_smob_class[scm_numsmob - 1] | |
316 | = scm_make_extended_class (SCM_SMOBNAME (scm_numsmob - 1)); | |
0f2d19dd JB |
317 | return scm_tc7_smob + (scm_numsmob - 1) * 256; |
318 | } | |
319 | ||
9dd5943c | 320 | void |
03416a99 | 321 | scm_set_smob_mark (scm_bits_t tc, SCM (*mark) (SCM)) |
9dd5943c MD |
322 | { |
323 | scm_smobs[SCM_TC2SMOBNUM (tc)].mark = mark; | |
324 | } | |
325 | ||
326 | void | |
03416a99 | 327 | scm_set_smob_free (scm_bits_t tc, scm_sizet (*free) (SCM)) |
9dd5943c MD |
328 | { |
329 | scm_smobs[SCM_TC2SMOBNUM (tc)].free = free; | |
330 | } | |
331 | ||
332 | void | |
03416a99 | 333 | scm_set_smob_print (scm_bits_t tc, int (*print) (SCM, SCM, scm_print_state*)) |
9dd5943c MD |
334 | { |
335 | scm_smobs[SCM_TC2SMOBNUM (tc)].print = print; | |
336 | } | |
337 | ||
338 | void | |
03416a99 | 339 | scm_set_smob_equalp (scm_bits_t tc, SCM (*equalp) (SCM, SCM)) |
9dd5943c MD |
340 | { |
341 | scm_smobs[SCM_TC2SMOBNUM (tc)].equalp = equalp; | |
342 | } | |
343 | ||
0717dfd8 | 344 | void |
03416a99 | 345 | scm_set_smob_apply (scm_bits_t tc, SCM (*apply) (), |
7c58e21b | 346 | unsigned int req, unsigned int opt, unsigned int rst) |
0717dfd8 | 347 | { |
cb1c46c5 KN |
348 | SCM (*apply_0) (SCM); |
349 | SCM (*apply_1) (SCM, SCM); | |
350 | SCM (*apply_2) (SCM, SCM, SCM); | |
351 | SCM (*apply_3) (SCM, SCM, SCM, SCM); | |
352 | int type = SCM_GSUBR_MAKTYPE (req, opt, rst); | |
353 | ||
7c58e21b | 354 | if (rst > 1 || req + opt + rst > 3) |
cb1c46c5 KN |
355 | { |
356 | puts ("Unsupported smob application type"); | |
357 | abort (); | |
358 | } | |
359 | ||
360 | switch (type) | |
361 | { | |
362 | case SCM_GSUBR_MAKTYPE (0, 0, 0): | |
7c58e21b | 363 | apply_0 = apply; break; |
cb1c46c5 KN |
364 | case SCM_GSUBR_MAKTYPE (0, 1, 0): |
365 | apply_0 = scm_smob_apply_0_010; break; | |
366 | case SCM_GSUBR_MAKTYPE (0, 2, 0): | |
367 | apply_0 = scm_smob_apply_0_020; break; | |
368 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
369 | apply_0 = scm_smob_apply_0_030; break; | |
370 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
371 | apply_0 = scm_smob_apply_0_001; break; | |
372 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
373 | apply_0 = scm_smob_apply_0_011; break; | |
374 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
375 | apply_0 = scm_smob_apply_0_021; break; | |
376 | default: | |
377 | apply_0 = scm_smob_apply_0_error; break; | |
378 | } | |
379 | ||
380 | switch (type) | |
381 | { | |
382 | case SCM_GSUBR_MAKTYPE (1, 0, 0): | |
383 | case SCM_GSUBR_MAKTYPE (0, 1, 0): | |
7c58e21b | 384 | apply_1 = apply; break; |
cb1c46c5 KN |
385 | case SCM_GSUBR_MAKTYPE (1, 1, 0): |
386 | case SCM_GSUBR_MAKTYPE (0, 2, 0): | |
387 | apply_1 = scm_smob_apply_1_020; break; | |
388 | case SCM_GSUBR_MAKTYPE (1, 2, 0): | |
389 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
390 | apply_1 = scm_smob_apply_1_030; break; | |
391 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
392 | apply_1 = scm_smob_apply_1_001; break; | |
393 | case SCM_GSUBR_MAKTYPE (1, 0, 1): | |
394 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
395 | apply_1 = scm_smob_apply_1_011; break; | |
396 | case SCM_GSUBR_MAKTYPE (1, 1, 1): | |
397 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
398 | apply_1 = scm_smob_apply_1_021; break; | |
399 | default: | |
400 | apply_1 = scm_smob_apply_1_error; break; | |
401 | } | |
402 | ||
403 | switch (type) | |
404 | { | |
405 | case SCM_GSUBR_MAKTYPE (2, 0, 0): | |
406 | case SCM_GSUBR_MAKTYPE (1, 1, 0): | |
407 | case SCM_GSUBR_MAKTYPE (0, 2, 0): | |
7c58e21b | 408 | apply_2 = apply; break; |
cb1c46c5 KN |
409 | case SCM_GSUBR_MAKTYPE (2, 1, 0): |
410 | case SCM_GSUBR_MAKTYPE (1, 2, 0): | |
411 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
412 | apply_2 = scm_smob_apply_2_030; break; | |
413 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
414 | apply_2 = scm_smob_apply_2_001; break; | |
415 | case SCM_GSUBR_MAKTYPE (1, 0, 1): | |
416 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
417 | apply_2 = scm_smob_apply_2_011; break; | |
418 | case SCM_GSUBR_MAKTYPE (2, 0, 1): | |
419 | case SCM_GSUBR_MAKTYPE (1, 1, 1): | |
420 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
421 | apply_2 = scm_smob_apply_2_021; break; | |
422 | default: | |
423 | apply_2 = scm_smob_apply_2_error; break; | |
424 | } | |
425 | ||
426 | switch (type) | |
427 | { | |
428 | case SCM_GSUBR_MAKTYPE (3, 0, 0): | |
429 | case SCM_GSUBR_MAKTYPE (2, 1, 0): | |
430 | case SCM_GSUBR_MAKTYPE (1, 2, 0): | |
431 | case SCM_GSUBR_MAKTYPE (0, 3, 0): | |
432 | apply_3 = scm_smob_apply_3_030; break; | |
433 | case SCM_GSUBR_MAKTYPE (0, 0, 1): | |
434 | apply_3 = scm_smob_apply_3_001; break; | |
435 | case SCM_GSUBR_MAKTYPE (1, 0, 1): | |
436 | case SCM_GSUBR_MAKTYPE (0, 1, 1): | |
437 | apply_3 = scm_smob_apply_3_011; break; | |
438 | case SCM_GSUBR_MAKTYPE (2, 0, 1): | |
439 | case SCM_GSUBR_MAKTYPE (1, 1, 1): | |
440 | case SCM_GSUBR_MAKTYPE (0, 2, 1): | |
441 | apply_3 = scm_smob_apply_3_021; break; | |
442 | default: | |
443 | apply_3 = scm_smob_apply_3_error; break; | |
444 | } | |
445 | ||
03416a99 | 446 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply = apply; |
cb1c46c5 KN |
447 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_0 = apply_0; |
448 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_1 = apply_1; | |
449 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_2 = apply_2; | |
450 | scm_smobs[SCM_TC2SMOBNUM (tc)].apply_3 = apply_3; | |
68b06924 | 451 | scm_smobs[SCM_TC2SMOBNUM (tc)].gsubr_type = type; |
0717dfd8 KN |
452 | } |
453 | ||
9dd5943c | 454 | SCM |
03416a99 | 455 | scm_make_smob (scm_bits_t tc) |
9dd5943c MD |
456 | { |
457 | int n = SCM_TC2SMOBNUM (tc); | |
458 | scm_sizet size = scm_smobs[n].size; | |
459 | SCM z; | |
460 | SCM_NEWCELL (z); | |
461 | if (size != 0) | |
462 | { | |
463 | #if 0 | |
2ade72d7 DH |
464 | if (scm_smobs[n].mark != 0) |
465 | { | |
466 | fprintf | |
467 | (stderr, | |
468 | "forbidden operation for smobs with GC data, use SCM_NEWSMOB\n"); | |
469 | abort (); | |
470 | } | |
9dd5943c MD |
471 | #endif |
472 | SCM_SET_SMOB_DATA (z, scm_must_malloc (size, SCM_SMOBNAME (n))); | |
473 | } | |
54778cd3 | 474 | SCM_SET_CELL_TYPE (z, tc); |
9dd5943c MD |
475 | return z; |
476 | } | |
477 | ||
ceef3208 | 478 | \f |
7c58e21b KN |
479 | /* {Deprecated stuff} |
480 | */ | |
481 | ||
482 | #if (SCM_DEBUG_DEPRECATED == 0) | |
483 | ||
484 | long | |
485 | scm_make_smob_type_mfpe (char *name, scm_sizet size, | |
486 | SCM (*mark) (SCM), | |
487 | scm_sizet (*free) (SCM), | |
488 | int (*print) (SCM, SCM, scm_print_state *), | |
489 | SCM (*equalp) (SCM, SCM)) | |
490 | { | |
491 | long answer = scm_make_smob_type (name, size); | |
492 | scm_set_smob_mfpe (answer, mark, free, print, equalp); | |
493 | return answer; | |
494 | } | |
495 | ||
496 | void | |
497 | scm_set_smob_mfpe (long tc, | |
498 | SCM (*mark) (SCM), | |
499 | scm_sizet (*free) (SCM), | |
500 | int (*print) (SCM, SCM, scm_print_state *), | |
501 | SCM (*equalp) (SCM, SCM)) | |
502 | { | |
503 | if (mark) scm_set_smob_mark (tc, mark); | |
504 | if (free) scm_set_smob_free (tc, free); | |
505 | if (print) scm_set_smob_print (tc, print); | |
506 | if (equalp) scm_set_smob_equalp (tc, equalp); | |
507 | } | |
508 | ||
509 | #endif /* SCM_DEBUG_DEPRECATED == 0 */ | |
510 | ||
511 | \f | |
0f2d19dd JB |
512 | /* {Initialization for i/o types, float, bignum, the type of free cells} |
513 | */ | |
514 | ||
ceef3208 | 515 | static int |
e841c3e0 | 516 | free_print (SCM exp, SCM port, scm_print_state *pstate) |
ceef3208 JB |
517 | { |
518 | char buf[100]; | |
519 | ||
e841c3e0 KN |
520 | sprintf (buf, "#<freed cell %p; GC missed a reference>", |
521 | (void *) SCM_UNPACK (exp)); | |
ceef3208 JB |
522 | scm_puts (buf, port); |
523 | ||
524 | return 1; | |
525 | } | |
526 | ||
0f2d19dd JB |
527 | void |
528 | scm_smob_prehistory () | |
0f2d19dd | 529 | { |
e841c3e0 KN |
530 | scm_bits_t tc; |
531 | ||
0f2d19dd | 532 | scm_numsmob = 0; |
9dd5943c MD |
533 | scm_smobs = ((scm_smob_descriptor *) |
534 | malloc (7 * sizeof (scm_smob_descriptor))); | |
535 | ||
536 | /* WARNING: These scm_make_smob_type calls must be done in this order */ | |
e841c3e0 KN |
537 | tc = scm_make_smob_type ("free", 0); |
538 | scm_set_smob_print (tc, free_print); | |
23a62151 | 539 | |
e841c3e0 KN |
540 | tc = scm_make_smob_type ("big", 0); /* freed in gc */ |
541 | scm_set_smob_print (tc, scm_bigprint); | |
542 | scm_set_smob_equalp (tc, scm_bigequal); | |
23a62151 | 543 | |
e841c3e0 KN |
544 | tc = scm_make_smob_type ("real", 0); /* freed in gc */ |
545 | scm_set_smob_print (tc, scm_print_real); | |
546 | scm_set_smob_equalp (tc, scm_real_equalp); | |
16d35552 | 547 | |
e841c3e0 KN |
548 | tc = scm_make_smob_type ("complex", 0); /* freed in gc */ |
549 | scm_set_smob_print (tc, scm_print_complex); | |
550 | scm_set_smob_equalp (tc, scm_complex_equalp); | |
0f2d19dd | 551 | } |
89e00824 ML |
552 | |
553 | /* | |
554 | Local Variables: | |
555 | c-file-style: "gnu" | |
556 | End: | |
557 | */ |