Commit | Line | Data |
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e2fafeb9 | 1 | /* Copyright (C) 1998,1999,2000,2001,2002,2003,2004,2008,2009,2010,2011,2012,2013,2014,2015 |
366ecaec | 2 | * Free Software Foundation, Inc. |
6d77c894 | 3 | * |
73be1d9e | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
6d77c894 | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
6d77c894 | 13 | * |
73be1d9e MV |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
73be1d9e | 18 | */ |
80662eda MD |
19 | \f |
20 | ||
21 | /* This software is a derivative work of other copyrighted softwares; the | |
22 | * copyright notices of these softwares are placed in the file COPYRIGHTS | |
23 | * | |
24 | * This file is based upon stklos.c from the STk distribution by | |
25 | * Erick Gallesio <eg@unice.fr>. | |
26 | */ | |
27 | ||
dbb605f5 LC |
28 | #ifdef HAVE_CONFIG_H |
29 | # include <config.h> | |
30 | #endif | |
31 | ||
80662eda | 32 | #include "libguile/_scm.h" |
4e047c3e | 33 | #include "libguile/async.h" |
539d5410 | 34 | #include "libguile/chars.h" |
80662eda MD |
35 | #include "libguile/dynwind.h" |
36 | #include "libguile/eval.h" | |
9fdf9fd3 | 37 | #include "libguile/gsubr.h" |
80662eda MD |
38 | #include "libguile/hashtab.h" |
39 | #include "libguile/keywords.h" | |
40 | #include "libguile/macros.h" | |
41 | #include "libguile/modules.h" | |
80662eda MD |
42 | #include "libguile/ports.h" |
43 | #include "libguile/procprop.h" | |
efcebb5b | 44 | #include "libguile/programs.h" |
80662eda MD |
45 | #include "libguile/smob.h" |
46 | #include "libguile/strings.h" | |
47 | #include "libguile/strports.h" | |
48 | #include "libguile/vectors.h" | |
80662eda | 49 | |
ca83b028 | 50 | #include "libguile/validate.h" |
80662eda MD |
51 | #include "libguile/goops.h" |
52 | ||
efcebb5b AW |
53 | /* Port classes */ |
54 | #define SCM_IN_PCLASS_INDEX 0 | |
55 | #define SCM_OUT_PCLASS_INDEX SCM_I_MAX_PORT_TYPE_COUNT | |
56 | #define SCM_INOUT_PCLASS_INDEX (2 * SCM_I_MAX_PORT_TYPE_COUNT) | |
57 | ||
51fd1cd6 AW |
58 | /* Objects have identity, so references to classes and instances are by |
59 | value, not by reference. Redefinition of a class or modification of | |
60 | an instance causes in-place update; you can think of GOOPS as | |
61 | building in its own indirection, and for that reason referring to | |
62 | GOOPS values by variable reference is unnecessary. | |
bef95911 | 63 | |
51fd1cd6 AW |
64 | References to ordinary procedures is by reference (by variable), |
65 | though, as in the rest of Guile. */ | |
66 | ||
67 | static SCM var_make_standard_class = SCM_BOOL_F; | |
bef95911 | 68 | static SCM var_change_class = SCM_BOOL_F; |
e0590e7c | 69 | static SCM var_make = SCM_BOOL_F; |
70dd6000 AW |
70 | static SCM var_class_name = SCM_BOOL_F; |
71 | static SCM var_class_direct_supers = SCM_BOOL_F; | |
72 | static SCM var_class_direct_slots = SCM_BOOL_F; | |
73 | static SCM var_class_direct_subclasses = SCM_BOOL_F; | |
74 | static SCM var_class_direct_methods = SCM_BOOL_F; | |
75 | static SCM var_class_precedence_list = SCM_BOOL_F; | |
76 | static SCM var_class_slots = SCM_BOOL_F; | |
bef95911 | 77 | |
48c981c9 AW |
78 | static SCM var_generic_function_methods = SCM_BOOL_F; |
79 | static SCM var_method_generic_function = SCM_BOOL_F; | |
80 | static SCM var_method_specializers = SCM_BOOL_F; | |
81 | static SCM var_method_procedure = SCM_BOOL_F; | |
82 | ||
ade4cf4c AW |
83 | static SCM var_slot_ref_using_class = SCM_BOOL_F; |
84 | static SCM var_slot_set_using_class_x = SCM_BOOL_F; | |
85 | static SCM var_slot_bound_using_class_p = SCM_BOOL_F; | |
86 | static SCM var_slot_exists_using_class_p = SCM_BOOL_F; | |
87 | ||
88 | static SCM var_slot_ref = SCM_BOOL_F; | |
89 | static SCM var_slot_set_x = SCM_BOOL_F; | |
90 | static SCM var_slot_bound_p = SCM_BOOL_F; | |
91 | static SCM var_slot_exists_p = SCM_BOOL_F; | |
92 | ||
48c981c9 | 93 | |
bef95911 AW |
94 | SCM_SYMBOL (sym_change_class, "change-class"); |
95 | ||
96 | SCM_VARIABLE (scm_var_make_extended_generic, "make-extended-generic"); | |
97 | ||
98 | ||
80662eda | 99 | #define SCM_GOOPS_UNBOUND SCM_UNBOUND |
d223c3fc | 100 | #define SCM_GOOPS_UNBOUNDP(x) (scm_is_eq (x, SCM_GOOPS_UNBOUND)) |
80662eda MD |
101 | |
102 | static int goops_loaded_p = 0; | |
80662eda | 103 | |
539d5410 | 104 | /* These variables are filled in by the object system when loaded. */ |
57898597 AW |
105 | static SCM class_boolean, class_char, class_pair; |
106 | static SCM class_procedure, class_string, class_symbol; | |
107 | static SCM class_primitive_generic; | |
108 | static SCM class_vector, class_null; | |
109 | static SCM class_integer, class_real, class_complex, class_fraction; | |
110 | static SCM class_unknown; | |
111 | static SCM class_top, class_object, class_class; | |
112 | static SCM class_applicable; | |
113 | static SCM class_applicable_struct, class_applicable_struct_with_setter; | |
114 | static SCM class_generic, class_generic_with_setter; | |
115 | static SCM class_accessor; | |
116 | static SCM class_extended_generic, class_extended_generic_with_setter; | |
117 | static SCM class_extended_accessor; | |
118 | static SCM class_method; | |
119 | static SCM class_accessor_method; | |
120 | static SCM class_procedure_class; | |
121 | static SCM class_applicable_struct_class; | |
122 | static SCM class_applicable_struct_with_setter_class; | |
123 | static SCM class_number, class_list; | |
124 | static SCM class_keyword; | |
125 | static SCM class_port, class_input_output_port; | |
126 | static SCM class_input_port, class_output_port; | |
127 | static SCM class_foreign_slot; | |
128 | static SCM class_self, class_protected; | |
129 | static SCM class_hidden, class_opaque, class_read_only; | |
130 | static SCM class_protected_hidden, class_protected_opaque, class_protected_read_only; | |
131 | static SCM class_scm; | |
132 | static SCM class_int, class_float, class_double; | |
80662eda | 133 | |
e2c2a699 | 134 | static SCM class_foreign; |
9ea31741 AW |
135 | static SCM class_hashtable; |
136 | static SCM class_fluid; | |
137 | static SCM class_dynamic_state; | |
6f3b0cc2 | 138 | static SCM class_frame; |
6f3b0cc2 | 139 | static SCM class_vm_cont; |
f826a886 AW |
140 | static SCM class_bytevector; |
141 | static SCM class_uvec; | |
b2637c98 | 142 | static SCM class_array; |
ff1feca9 | 143 | static SCM class_bitvector; |
9ea31741 | 144 | |
f3c6a02c AW |
145 | static SCM vtable_class_map = SCM_BOOL_F; |
146 | ||
63385df2 LC |
147 | /* Port classes. Allocate 3 times the maximum number of port types so that |
148 | input ports, output ports, and in/out ports can be stored at different | |
149 | offsets. See `SCM_IN_PCLASS_INDEX' et al. */ | |
57898597 | 150 | SCM scm_i_port_class[3 * SCM_I_MAX_PORT_TYPE_COUNT]; |
63385df2 LC |
151 | |
152 | /* SMOB classes. */ | |
57898597 | 153 | SCM scm_i_smob_class[SCM_I_MAX_SMOB_TYPE_COUNT]; |
539d5410 | 154 | |
80662eda MD |
155 | static SCM scm_make_unbound (void); |
156 | static SCM scm_unbound_p (SCM obj); | |
70dd6000 | 157 | static SCM scm_class_p (SCM obj); |
6c7dd9eb AW |
158 | static SCM scm_sys_bless_applicable_struct_vtables_x (SCM applicable, |
159 | SCM setter); | |
51fd1cd6 AW |
160 | static SCM scm_sys_bless_pure_generic_vtable_x (SCM vtable); |
161 | static SCM scm_sys_make_root_class (SCM name, SCM dslots, | |
162 | SCM getters_n_setters); | |
163 | static SCM scm_sys_init_layout_x (SCM class, SCM layout); | |
82ab5090 | 164 | static SCM scm_sys_goops_early_init (void); |
398d8ee1 | 165 | static SCM scm_sys_goops_loaded (void); |
80662eda | 166 | |
f3c6a02c | 167 | |
539d5410 MV |
168 | /* This function is used for efficient type dispatch. */ |
169 | SCM_DEFINE (scm_class_of, "class-of", 1, 0, 0, | |
170 | (SCM x), | |
171 | "Return the class of @var{x}.") | |
172 | #define FUNC_NAME s_scm_class_of | |
173 | { | |
174 | switch (SCM_ITAG3 (x)) | |
175 | { | |
176 | case scm_tc3_int_1: | |
177 | case scm_tc3_int_2: | |
57898597 | 178 | return class_integer; |
539d5410 MV |
179 | |
180 | case scm_tc3_imm24: | |
181 | if (SCM_CHARP (x)) | |
57898597 | 182 | return class_char; |
539d5410 | 183 | else if (scm_is_bool (x)) |
57898597 | 184 | return class_boolean; |
539d5410 | 185 | else if (scm_is_null (x)) |
57898597 | 186 | return class_null; |
539d5410 | 187 | else |
57898597 | 188 | return class_unknown; |
539d5410 MV |
189 | |
190 | case scm_tc3_cons: | |
191 | switch (SCM_TYP7 (x)) | |
192 | { | |
193 | case scm_tcs_cons_nimcar: | |
57898597 | 194 | return class_pair; |
539d5410 | 195 | case scm_tc7_symbol: |
57898597 | 196 | return class_symbol; |
539d5410 MV |
197 | case scm_tc7_vector: |
198 | case scm_tc7_wvect: | |
57898597 | 199 | return class_vector; |
5b46a8c2 | 200 | case scm_tc7_pointer: |
e2c2a699 | 201 | return class_foreign; |
c99de5aa | 202 | case scm_tc7_hashtable: |
9ea31741 AW |
203 | return class_hashtable; |
204 | case scm_tc7_fluid: | |
205 | return class_fluid; | |
206 | case scm_tc7_dynamic_state: | |
207 | return class_dynamic_state; | |
6f3b0cc2 AW |
208 | case scm_tc7_frame: |
209 | return class_frame; | |
e2fafeb9 | 210 | case scm_tc7_keyword: |
57898597 | 211 | return class_keyword; |
6f3b0cc2 AW |
212 | case scm_tc7_vm_cont: |
213 | return class_vm_cont; | |
f826a886 AW |
214 | case scm_tc7_bytevector: |
215 | if (SCM_BYTEVECTOR_ELEMENT_TYPE (x) == SCM_ARRAY_ELEMENT_TYPE_VU8) | |
216 | return class_bytevector; | |
217 | else | |
218 | return class_uvec; | |
b2637c98 AW |
219 | case scm_tc7_array: |
220 | return class_array; | |
ff1feca9 AW |
221 | case scm_tc7_bitvector: |
222 | return class_bitvector; | |
539d5410 | 223 | case scm_tc7_string: |
57898597 | 224 | return class_string; |
539d5410 MV |
225 | case scm_tc7_number: |
226 | switch SCM_TYP16 (x) { | |
227 | case scm_tc16_big: | |
57898597 | 228 | return class_integer; |
539d5410 | 229 | case scm_tc16_real: |
57898597 | 230 | return class_real; |
539d5410 | 231 | case scm_tc16_complex: |
57898597 | 232 | return class_complex; |
539d5410 | 233 | case scm_tc16_fraction: |
57898597 | 234 | return class_fraction; |
539d5410 | 235 | } |
e0755cd1 | 236 | case scm_tc7_program: |
b2b33168 AW |
237 | if (SCM_PROGRAM_IS_PRIMITIVE_GENERIC (x) |
238 | && SCM_UNPACK (*SCM_SUBR_GENERIC (x))) | |
57898597 | 239 | return class_primitive_generic; |
fd12a19a | 240 | else |
57898597 | 241 | return class_procedure; |
539d5410 MV |
242 | |
243 | case scm_tc7_smob: | |
244 | { | |
245 | scm_t_bits type = SCM_TYP16 (x); | |
246 | if (type != scm_tc16_port_with_ps) | |
57898597 | 247 | return scm_i_smob_class[SCM_TC2SMOBNUM (type)]; |
539d5410 MV |
248 | x = SCM_PORT_WITH_PS_PORT (x); |
249 | /* fall through to ports */ | |
250 | } | |
251 | case scm_tc7_port: | |
57898597 AW |
252 | return scm_i_port_class[(SCM_WRTNG & SCM_CELL_WORD_0 (x) |
253 | ? (SCM_RDNG & SCM_CELL_WORD_0 (x) | |
254 | ? SCM_INOUT_PCLASS_INDEX | SCM_PTOBNUM (x) | |
255 | : SCM_OUT_PCLASS_INDEX | SCM_PTOBNUM (x)) | |
256 | : SCM_IN_PCLASS_INDEX | SCM_PTOBNUM (x))]; | |
539d5410 MV |
257 | case scm_tcs_struct: |
258 | if (SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_GOOPS_VALID) | |
259 | return SCM_CLASS_OF (x); | |
260 | else if (SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_GOOPS) | |
261 | { | |
262 | /* Goops object */ | |
263 | if (! scm_is_false (SCM_OBJ_CLASS_REDEF (x))) | |
264 | scm_change_object_class (x, | |
265 | SCM_CLASS_OF (x), /* old */ | |
266 | SCM_OBJ_CLASS_REDEF (x)); /* new */ | |
267 | return SCM_CLASS_OF (x); | |
268 | } | |
269 | else | |
f3c6a02c | 270 | return scm_i_define_class_for_vtable (SCM_CLASS_OF (x)); |
539d5410 MV |
271 | default: |
272 | if (scm_is_pair (x)) | |
57898597 | 273 | return class_pair; |
539d5410 | 274 | else |
57898597 | 275 | return class_unknown; |
539d5410 MV |
276 | } |
277 | ||
278 | case scm_tc3_struct: | |
279 | case scm_tc3_tc7_1: | |
280 | case scm_tc3_tc7_2: | |
314b8716 | 281 | /* case scm_tc3_unused: */ |
539d5410 MV |
282 | /* Never reached */ |
283 | break; | |
284 | } | |
57898597 | 285 | return class_unknown; |
539d5410 MV |
286 | } |
287 | #undef FUNC_NAME | |
288 | ||
80662eda MD |
289 | /****************************************************************************** |
290 | * | |
291 | * initialize-object | |
292 | * | |
293 | ******************************************************************************/ | |
294 | ||
295 | /*fixme* Manufacture keywords in advance */ | |
296 | SCM | |
c014a02e | 297 | scm_i_get_keyword (SCM key, SCM l, long len, SCM default_value, const char *subr) |
80662eda | 298 | { |
c014a02e | 299 | long i; |
23437298 DH |
300 | |
301 | for (i = 0; i != len; i += 2) | |
80662eda | 302 | { |
23437298 DH |
303 | SCM obj = SCM_CAR (l); |
304 | ||
c598539a | 305 | if (!scm_is_keyword (obj)) |
1afff620 | 306 | scm_misc_error (subr, "bad keyword: ~S", scm_list_1 (obj)); |
bc36d050 | 307 | else if (scm_is_eq (obj, key)) |
80662eda | 308 | return SCM_CADR (l); |
23437298 DH |
309 | else |
310 | l = SCM_CDDR (l); | |
80662eda | 311 | } |
23437298 | 312 | |
80662eda MD |
313 | return default_value; |
314 | } | |
315 | ||
80662eda | 316 | |
23437298 DH |
317 | SCM_DEFINE (scm_get_keyword, "get-keyword", 3, 0, 0, |
318 | (SCM key, SCM l, SCM default_value), | |
5352393c MG |
319 | "Determine an associated value for the keyword @var{key} from\n" |
320 | "the list @var{l}. The list @var{l} has to consist of an even\n" | |
321 | "number of elements, where, starting with the first, every\n" | |
322 | "second element is a keyword, followed by its associated value.\n" | |
323 | "If @var{l} does not hold a value for @var{key}, the value\n" | |
324 | "@var{default_value} is returned.") | |
23437298 | 325 | #define FUNC_NAME s_scm_get_keyword |
80662eda | 326 | { |
c014a02e | 327 | long len; |
23437298 | 328 | |
c598539a | 329 | SCM_ASSERT (scm_is_keyword (key), key, SCM_ARG1, FUNC_NAME); |
80662eda | 330 | len = scm_ilength (l); |
b6311c08 | 331 | if (len < 0 || len % 2 == 1) |
1afff620 | 332 | scm_misc_error (FUNC_NAME, "Bad keyword-value list: ~S", scm_list_1 (l)); |
23437298 DH |
333 | |
334 | return scm_i_get_keyword (key, l, len, default_value, FUNC_NAME); | |
80662eda | 335 | } |
23437298 DH |
336 | #undef FUNC_NAME |
337 | ||
80662eda | 338 | |
80662eda MD |
339 | SCM_KEYWORD (k_init_keyword, "init-keyword"); |
340 | ||
80662eda | 341 | |
398d8ee1 KN |
342 | SCM_DEFINE (scm_sys_initialize_object, "%initialize-object", 2, 0, 0, |
343 | (SCM obj, SCM initargs), | |
6bcefd15 MG |
344 | "Initialize the object @var{obj} with the given arguments\n" |
345 | "@var{initargs}.") | |
398d8ee1 | 346 | #define FUNC_NAME s_scm_sys_initialize_object |
80662eda MD |
347 | { |
348 | SCM tmp, get_n_set, slots; | |
349 | SCM class = SCM_CLASS_OF (obj); | |
c014a02e | 350 | long n_initargs; |
80662eda | 351 | |
398d8ee1 | 352 | SCM_VALIDATE_INSTANCE (1, obj); |
80662eda | 353 | n_initargs = scm_ilength (initargs); |
398d8ee1 | 354 | SCM_ASSERT ((n_initargs & 1) == 0, initargs, SCM_ARG2, FUNC_NAME); |
6d77c894 | 355 | |
80662eda MD |
356 | get_n_set = SCM_SLOT (class, scm_si_getters_n_setters); |
357 | slots = SCM_SLOT (class, scm_si_slots); | |
6d77c894 | 358 | |
80662eda MD |
359 | /* See for each slot how it must be initialized */ |
360 | for (; | |
d2e53ed6 | 361 | !scm_is_null (slots); |
80662eda MD |
362 | get_n_set = SCM_CDR (get_n_set), slots = SCM_CDR (slots)) |
363 | { | |
364 | SCM slot_name = SCM_CAR (slots); | |
48ad85fb | 365 | SCM slot_value = SCM_GOOPS_UNBOUND; |
6d77c894 | 366 | |
d2e53ed6 | 367 | if (!scm_is_null (SCM_CDR (slot_name))) |
80662eda MD |
368 | { |
369 | /* This slot admits (perhaps) to be initialized at creation time */ | |
c014a02e | 370 | long n = scm_ilength (SCM_CDR (slot_name)); |
80662eda | 371 | if (n & 1) /* odd or -1 */ |
398d8ee1 | 372 | SCM_MISC_ERROR ("class contains bogus slot definition: ~S", |
1afff620 | 373 | scm_list_1 (slot_name)); |
80662eda MD |
374 | tmp = scm_i_get_keyword (k_init_keyword, |
375 | SCM_CDR (slot_name), | |
376 | n, | |
b2b33168 | 377 | SCM_PACK (0), |
398d8ee1 | 378 | FUNC_NAME); |
80662eda | 379 | slot_name = SCM_CAR (slot_name); |
b2b33168 | 380 | if (SCM_UNPACK (tmp)) |
80662eda MD |
381 | { |
382 | /* an initarg was provided for this slot */ | |
c598539a | 383 | if (!scm_is_keyword (tmp)) |
398d8ee1 | 384 | SCM_MISC_ERROR ("initarg must be a keyword. It was ~S", |
1afff620 | 385 | scm_list_1 (tmp)); |
80662eda MD |
386 | slot_value = scm_i_get_keyword (tmp, |
387 | initargs, | |
388 | n_initargs, | |
48ad85fb | 389 | SCM_GOOPS_UNBOUND, |
398d8ee1 | 390 | FUNC_NAME); |
80662eda MD |
391 | } |
392 | } | |
393 | ||
48ad85fb | 394 | if (!SCM_GOOPS_UNBOUNDP (slot_value)) |
80662eda | 395 | /* set slot to provided value */ |
ade4cf4c | 396 | scm_slot_set_x (obj, slot_name, slot_value); |
80662eda MD |
397 | else |
398 | { | |
399 | /* set slot to its :init-form if it exists */ | |
400 | tmp = SCM_CADAR (get_n_set); | |
7888309b | 401 | if (scm_is_true (tmp)) |
ade4cf4c | 402 | scm_slot_set_x (obj, slot_name, scm_call_0 (tmp)); |
80662eda MD |
403 | } |
404 | } | |
6d77c894 | 405 | |
80662eda MD |
406 | return obj; |
407 | } | |
398d8ee1 | 408 | #undef FUNC_NAME |
80662eda | 409 | |
51fd1cd6 AW |
410 | SCM_DEFINE (scm_sys_init_layout_x, "%init-layout!", 2, 0, 0, |
411 | (SCM class, SCM layout), | |
398d8ee1 | 412 | "") |
51fd1cd6 | 413 | #define FUNC_NAME s_scm_sys_init_layout_x |
80662eda | 414 | { |
398d8ee1 | 415 | SCM_VALIDATE_INSTANCE (1, class); |
51fd1cd6 AW |
416 | SCM_ASSERT (!scm_is_symbol (SCM_VTABLE_LAYOUT (class)), class, 1, FUNC_NAME); |
417 | SCM_VALIDATE_STRING (2, layout); | |
418 | ||
419 | SCM_SET_VTABLE_LAYOUT (class, scm_make_struct_layout (layout)); | |
80662eda MD |
420 | return SCM_UNSPECIFIED; |
421 | } | |
398d8ee1 | 422 | #undef FUNC_NAME |
80662eda | 423 | |
398d8ee1 KN |
424 | SCM_DEFINE (scm_sys_inherit_magic_x, "%inherit-magic!", 2, 0, 0, |
425 | (SCM class, SCM dsupers), | |
426 | "") | |
427 | #define FUNC_NAME s_scm_sys_inherit_magic_x | |
80662eda | 428 | { |
398d8ee1 | 429 | SCM_VALIDATE_INSTANCE (1, class); |
51f66c91 AW |
430 | scm_i_struct_inherit_vtable_magic (SCM_CLASS_OF (class), class); |
431 | SCM_SET_CLASS_FLAGS (class, SCM_CLASSF_GOOPS_OR_VALID); | |
80662eda | 432 | |
80662eda MD |
433 | return SCM_UNSPECIFIED; |
434 | } | |
398d8ee1 | 435 | #undef FUNC_NAME |
80662eda | 436 | |
80662eda MD |
437 | /******************************************************************************/ |
438 | ||
80662eda | 439 | SCM |
28b818d3 | 440 | scm_make_standard_class (SCM meta, SCM name, SCM dsupers, SCM dslots) |
80662eda | 441 | { |
51fd1cd6 | 442 | return scm_call_4 (scm_variable_ref (var_make_standard_class), |
28b818d3 | 443 | meta, name, dsupers, dslots); |
80662eda MD |
444 | } |
445 | ||
446 | /******************************************************************************/ | |
447 | ||
51fd1cd6 AW |
448 | SCM_DEFINE (scm_sys_make_root_class, "%make-root-class", 3, 0, 0, |
449 | (SCM name, SCM dslots, SCM getters_n_setters), | |
450 | "") | |
451 | #define FUNC_NAME s_scm_sys_make_root_class | |
80662eda | 452 | { |
51fd1cd6 | 453 | SCM cs, z; |
6d77c894 | 454 | |
51fd1cd6 AW |
455 | cs = scm_from_locale_string (SCM_CLASS_CLASS_LAYOUT); |
456 | z = scm_i_make_vtable_vtable (cs); | |
457 | SCM_SET_CLASS_FLAGS (z, (SCM_CLASSF_GOOPS_OR_VALID | |
458 | | SCM_CLASSF_METACLASS)); | |
80662eda | 459 | |
51fd1cd6 AW |
460 | SCM_SET_SLOT (z, scm_vtable_index_name, name); |
461 | SCM_SET_SLOT (z, scm_si_direct_supers, SCM_EOL); /* will be changed */ | |
462 | SCM_SET_SLOT (z, scm_si_direct_slots, dslots); /* will be changed */ | |
463 | SCM_SET_SLOT (z, scm_si_direct_subclasses, SCM_EOL); | |
464 | SCM_SET_SLOT (z, scm_si_direct_methods, SCM_EOL); | |
465 | SCM_SET_SLOT (z, scm_si_cpl, SCM_EOL); /* will be changed */ | |
466 | SCM_SET_SLOT (z, scm_si_slots, dslots); /* will be changed */ | |
467 | SCM_SET_SLOT (z, scm_si_nfields, scm_from_int (SCM_N_CLASS_SLOTS)); | |
468 | SCM_SET_SLOT (z, scm_si_getters_n_setters, getters_n_setters); /* will be changed */ | |
469 | SCM_SET_SLOT (z, scm_si_redefined, SCM_BOOL_F); | |
80662eda | 470 | |
51fd1cd6 | 471 | return z; |
80662eda | 472 | } |
51fd1cd6 | 473 | #undef FUNC_NAME |
80662eda MD |
474 | |
475 | /******************************************************************************/ | |
476 | ||
398d8ee1 KN |
477 | SCM_DEFINE (scm_instance_p, "instance?", 1, 0, 0, |
478 | (SCM obj), | |
6bcefd15 | 479 | "Return @code{#t} if @var{obj} is an instance.") |
398d8ee1 | 480 | #define FUNC_NAME s_scm_instance_p |
80662eda | 481 | { |
7888309b | 482 | return scm_from_bool (SCM_INSTANCEP (obj)); |
80662eda | 483 | } |
398d8ee1 | 484 | #undef FUNC_NAME |
80662eda | 485 | |
70dd6000 AW |
486 | SCM_DEFINE (scm_class_p, "class?", 1, 0, 0, |
487 | (SCM obj), | |
488 | "Return @code{#t} if @var{obj} is a class.") | |
489 | #define FUNC_NAME s_scm_class_p | |
490 | { | |
491 | return scm_from_bool (SCM_CLASSP (obj)); | |
492 | } | |
493 | #undef FUNC_NAME | |
494 | ||
57898597 AW |
495 | int |
496 | scm_is_generic (SCM x) | |
497 | { | |
498 | return SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), class_generic); | |
499 | } | |
500 | ||
501 | int | |
502 | scm_is_method (SCM x) | |
503 | { | |
504 | return SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), class_method); | |
505 | } | |
80662eda MD |
506 | |
507 | /****************************************************************************** | |
6d77c894 | 508 | * |
80662eda MD |
509 | * Meta object accessors |
510 | * | |
511 | ******************************************************************************/ | |
51fd1cd6 AW |
512 | |
513 | SCM_SYMBOL (sym_procedure, "procedure"); | |
70dd6000 AW |
514 | |
515 | SCM | |
516 | scm_class_name (SCM obj) | |
80662eda | 517 | { |
70dd6000 | 518 | return scm_call_1 (scm_variable_ref (var_class_name), obj); |
80662eda MD |
519 | } |
520 | ||
70dd6000 AW |
521 | SCM |
522 | scm_class_direct_supers (SCM obj) | |
80662eda | 523 | { |
70dd6000 | 524 | return scm_call_1 (scm_variable_ref (var_class_direct_supers), obj); |
80662eda MD |
525 | } |
526 | ||
70dd6000 AW |
527 | SCM |
528 | scm_class_direct_slots (SCM obj) | |
80662eda | 529 | { |
70dd6000 | 530 | return scm_call_1 (scm_variable_ref (var_class_direct_slots), obj); |
80662eda MD |
531 | } |
532 | ||
70dd6000 AW |
533 | SCM |
534 | scm_class_direct_subclasses (SCM obj) | |
80662eda | 535 | { |
70dd6000 | 536 | return scm_call_1 (scm_variable_ref (var_class_direct_subclasses), obj); |
80662eda MD |
537 | } |
538 | ||
70dd6000 AW |
539 | SCM |
540 | scm_class_direct_methods (SCM obj) | |
80662eda | 541 | { |
70dd6000 | 542 | return scm_call_1 (scm_variable_ref (var_class_direct_methods), obj); |
80662eda MD |
543 | } |
544 | ||
70dd6000 AW |
545 | SCM |
546 | scm_class_precedence_list (SCM obj) | |
80662eda | 547 | { |
70dd6000 | 548 | return scm_call_1 (scm_variable_ref (var_class_precedence_list), obj); |
80662eda MD |
549 | } |
550 | ||
70dd6000 AW |
551 | SCM |
552 | scm_class_slots (SCM obj) | |
80662eda | 553 | { |
70dd6000 | 554 | return scm_call_1 (scm_variable_ref (var_class_slots), obj); |
80662eda MD |
555 | } |
556 | ||
398d8ee1 | 557 | SCM_DEFINE (scm_generic_function_name, "generic-function-name", 1, 0, 0, |
70dd6000 | 558 | (SCM obj), |
6bcefd15 | 559 | "Return the name of the generic function @var{obj}.") |
398d8ee1 | 560 | #define FUNC_NAME s_scm_generic_function_name |
80662eda | 561 | { |
398d8ee1 | 562 | SCM_VALIDATE_GENERIC (1, obj); |
80662eda MD |
563 | return scm_procedure_property (obj, scm_sym_name); |
564 | } | |
398d8ee1 | 565 | #undef FUNC_NAME |
80662eda | 566 | |
48c981c9 AW |
567 | SCM |
568 | scm_generic_function_methods (SCM obj) | |
80662eda | 569 | { |
48c981c9 | 570 | return scm_call_1 (scm_variable_ref (var_generic_function_methods), obj); |
80662eda MD |
571 | } |
572 | ||
48c981c9 AW |
573 | SCM |
574 | scm_method_generic_function (SCM obj) | |
80662eda | 575 | { |
48c981c9 | 576 | return scm_call_1 (scm_variable_ref (var_method_generic_function), obj); |
80662eda MD |
577 | } |
578 | ||
48c981c9 AW |
579 | SCM |
580 | scm_method_specializers (SCM obj) | |
80662eda | 581 | { |
48c981c9 | 582 | return scm_call_1 (scm_variable_ref (var_method_specializers), obj); |
80662eda MD |
583 | } |
584 | ||
48c981c9 AW |
585 | SCM |
586 | scm_method_procedure (SCM obj) | |
80662eda | 587 | { |
48c981c9 | 588 | return scm_call_1 (scm_variable_ref (var_method_procedure), obj); |
80662eda MD |
589 | } |
590 | ||
80662eda MD |
591 | /****************************************************************************** |
592 | * | |
593 | * S l o t a c c e s s | |
594 | * | |
595 | ******************************************************************************/ | |
596 | ||
398d8ee1 KN |
597 | SCM_DEFINE (scm_make_unbound, "make-unbound", 0, 0, 0, |
598 | (), | |
6bcefd15 | 599 | "Return the unbound value.") |
398d8ee1 | 600 | #define FUNC_NAME s_scm_make_unbound |
80662eda MD |
601 | { |
602 | return SCM_GOOPS_UNBOUND; | |
603 | } | |
398d8ee1 | 604 | #undef FUNC_NAME |
80662eda | 605 | |
398d8ee1 KN |
606 | SCM_DEFINE (scm_unbound_p, "unbound?", 1, 0, 0, |
607 | (SCM obj), | |
6bcefd15 | 608 | "Return @code{#t} if @var{obj} is unbound.") |
398d8ee1 | 609 | #define FUNC_NAME s_scm_unbound_p |
80662eda MD |
610 | { |
611 | return SCM_GOOPS_UNBOUNDP (obj) ? SCM_BOOL_T : SCM_BOOL_F; | |
612 | } | |
398d8ee1 | 613 | #undef FUNC_NAME |
80662eda | 614 | |
80662eda | 615 | |
4d0949ea | 616 | \f |
80662eda | 617 | |
ade4cf4c AW |
618 | SCM |
619 | scm_slot_ref_using_class (SCM class, SCM obj, SCM slot_name) | |
80662eda | 620 | { |
ade4cf4c AW |
621 | return scm_call_3 (scm_variable_ref (var_slot_ref_using_class), |
622 | class, obj, slot_name); | |
80662eda | 623 | } |
80662eda | 624 | |
ade4cf4c AW |
625 | SCM |
626 | scm_slot_set_using_class_x (SCM class, SCM obj, SCM slot_name, SCM value) | |
80662eda | 627 | { |
ade4cf4c AW |
628 | return scm_call_4 (scm_variable_ref (var_slot_set_using_class_x), |
629 | class, obj, slot_name, value); | |
80662eda | 630 | } |
23437298 | 631 | |
ade4cf4c AW |
632 | SCM |
633 | scm_slot_bound_using_class_p (SCM class, SCM obj, SCM slot_name) | |
80662eda | 634 | { |
ade4cf4c AW |
635 | return scm_call_3 (scm_variable_ref (var_slot_bound_using_class_p), |
636 | class, obj, slot_name); | |
80662eda MD |
637 | } |
638 | ||
ade4cf4c AW |
639 | SCM |
640 | scm_slot_exists_using_class_p (SCM class, SCM obj, SCM slot_name) | |
398d8ee1 | 641 | { |
ade4cf4c AW |
642 | return scm_call_3 (scm_variable_ref (var_slot_exists_using_class_p), |
643 | class, obj, slot_name); | |
80662eda | 644 | } |
80662eda | 645 | |
ade4cf4c AW |
646 | SCM |
647 | scm_slot_ref (SCM obj, SCM slot_name) | |
80662eda | 648 | { |
ade4cf4c | 649 | return scm_call_2 (scm_variable_ref (var_slot_ref), obj, slot_name); |
80662eda MD |
650 | } |
651 | ||
ade4cf4c AW |
652 | SCM |
653 | scm_slot_set_x (SCM obj, SCM slot_name, SCM value) | |
80662eda | 654 | { |
ade4cf4c | 655 | return scm_call_3 (scm_variable_ref (var_slot_set_x), obj, slot_name, value); |
80662eda MD |
656 | } |
657 | ||
ade4cf4c AW |
658 | SCM |
659 | scm_slot_bound_p (SCM obj, SCM slot_name) | |
80662eda | 660 | { |
ade4cf4c | 661 | return scm_call_2 (scm_variable_ref (var_slot_bound_p), obj, slot_name); |
80662eda MD |
662 | } |
663 | ||
ade4cf4c AW |
664 | SCM |
665 | scm_slot_exists_p (SCM obj, SCM slot_name) | |
80662eda | 666 | { |
ade4cf4c | 667 | return scm_call_2 (scm_variable_ref (var_slot_exists_p), obj, slot_name); |
80662eda MD |
668 | } |
669 | ||
670 | ||
671 | /****************************************************************************** | |
672 | * | |
673 | * %allocate-instance (the low level instance allocation primitive) | |
674 | * | |
675 | ******************************************************************************/ | |
676 | ||
398d8ee1 KN |
677 | SCM_DEFINE (scm_sys_allocate_instance, "%allocate-instance", 2, 0, 0, |
678 | (SCM class, SCM initargs), | |
6bcefd15 MG |
679 | "Create a new instance of class @var{class} and initialize it\n" |
680 | "from the arguments @var{initargs}.") | |
398d8ee1 | 681 | #define FUNC_NAME s_scm_sys_allocate_instance |
80662eda | 682 | { |
b6cf4d02 | 683 | SCM obj; |
e25f3727 | 684 | scm_t_signed_bits n, i; |
b6cf4d02 | 685 | SCM layout; |
80662eda | 686 | |
398d8ee1 | 687 | SCM_VALIDATE_CLASS (1, class); |
80662eda | 688 | |
b6cf4d02 | 689 | /* FIXME: duplicates some of scm_make_struct. */ |
80662eda | 690 | |
e11e83f3 | 691 | n = SCM_I_INUM (SCM_SLOT (class, scm_si_nfields)); |
96a44c1c | 692 | obj = scm_i_alloc_struct (SCM_STRUCT_DATA (class), n); |
6d77c894 | 693 | |
b6cf4d02 AW |
694 | layout = SCM_VTABLE_LAYOUT (class); |
695 | ||
696 | /* Set all SCM-holding slots to unbound */ | |
697 | for (i = 0; i < n; i++) | |
71fc6438 AW |
698 | { |
699 | scm_t_wchar c = scm_i_symbol_ref (layout, i*2); | |
b6cf4d02 AW |
700 | if (c == 'p') |
701 | SCM_STRUCT_DATA (obj)[i] = SCM_UNPACK (SCM_GOOPS_UNBOUND); | |
702 | else if (c == 's') | |
703 | SCM_STRUCT_DATA (obj)[i] = SCM_UNPACK (obj); | |
704 | else | |
705 | SCM_STRUCT_DATA (obj)[i] = 0; | |
80662eda | 706 | } |
6d77c894 | 707 | |
b6cf4d02 | 708 | return obj; |
80662eda | 709 | } |
398d8ee1 | 710 | #undef FUNC_NAME |
80662eda | 711 | |
80662eda MD |
712 | /****************************************************************************** |
713 | * | |
714 | * %modify-instance (used by change-class to modify in place) | |
6d77c894 | 715 | * |
80662eda MD |
716 | ******************************************************************************/ |
717 | ||
398d8ee1 KN |
718 | SCM_DEFINE (scm_sys_modify_instance, "%modify-instance", 2, 0, 0, |
719 | (SCM old, SCM new), | |
720 | "") | |
721 | #define FUNC_NAME s_scm_sys_modify_instance | |
80662eda | 722 | { |
398d8ee1 KN |
723 | SCM_VALIDATE_INSTANCE (1, old); |
724 | SCM_VALIDATE_INSTANCE (2, new); | |
80662eda | 725 | |
6d77c894 | 726 | /* Exchange the data contained in old and new. We exchange rather than |
80662eda MD |
727 | * scratch the old value with new to be correct with GC. |
728 | * See "Class redefinition protocol above". | |
729 | */ | |
9de87eea | 730 | SCM_CRITICAL_SECTION_START; |
80662eda | 731 | { |
32b12f40 KR |
732 | scm_t_bits word0, word1; |
733 | word0 = SCM_CELL_WORD_0 (old); | |
734 | word1 = SCM_CELL_WORD_1 (old); | |
735 | SCM_SET_CELL_WORD_0 (old, SCM_CELL_WORD_0 (new)); | |
736 | SCM_SET_CELL_WORD_1 (old, SCM_CELL_WORD_1 (new)); | |
737 | SCM_SET_CELL_WORD_0 (new, word0); | |
738 | SCM_SET_CELL_WORD_1 (new, word1); | |
80662eda | 739 | } |
9de87eea | 740 | SCM_CRITICAL_SECTION_END; |
80662eda MD |
741 | return SCM_UNSPECIFIED; |
742 | } | |
398d8ee1 | 743 | #undef FUNC_NAME |
80662eda | 744 | |
398d8ee1 KN |
745 | SCM_DEFINE (scm_sys_modify_class, "%modify-class", 2, 0, 0, |
746 | (SCM old, SCM new), | |
747 | "") | |
748 | #define FUNC_NAME s_scm_sys_modify_class | |
80662eda | 749 | { |
398d8ee1 KN |
750 | SCM_VALIDATE_CLASS (1, old); |
751 | SCM_VALIDATE_CLASS (2, new); | |
80662eda | 752 | |
9de87eea | 753 | SCM_CRITICAL_SECTION_START; |
80662eda | 754 | { |
32b12f40 KR |
755 | scm_t_bits word0, word1; |
756 | word0 = SCM_CELL_WORD_0 (old); | |
757 | word1 = SCM_CELL_WORD_1 (old); | |
758 | SCM_SET_CELL_WORD_0 (old, SCM_CELL_WORD_0 (new)); | |
759 | SCM_SET_CELL_WORD_1 (old, SCM_CELL_WORD_1 (new)); | |
b6cf4d02 | 760 | SCM_STRUCT_DATA (old)[scm_vtable_index_self] = SCM_UNPACK (old); |
32b12f40 KR |
761 | SCM_SET_CELL_WORD_0 (new, word0); |
762 | SCM_SET_CELL_WORD_1 (new, word1); | |
b6cf4d02 | 763 | SCM_STRUCT_DATA (new)[scm_vtable_index_self] = SCM_UNPACK (new); |
80662eda | 764 | } |
9de87eea | 765 | SCM_CRITICAL_SECTION_END; |
80662eda MD |
766 | return SCM_UNSPECIFIED; |
767 | } | |
398d8ee1 | 768 | #undef FUNC_NAME |
80662eda | 769 | |
398d8ee1 KN |
770 | SCM_DEFINE (scm_sys_invalidate_class, "%invalidate-class", 1, 0, 0, |
771 | (SCM class), | |
772 | "") | |
773 | #define FUNC_NAME s_scm_sys_invalidate_class | |
80662eda | 774 | { |
398d8ee1 | 775 | SCM_VALIDATE_CLASS (1, class); |
80662eda MD |
776 | SCM_CLEAR_CLASS_FLAGS (class, SCM_CLASSF_GOOPS_VALID); |
777 | return SCM_UNSPECIFIED; | |
778 | } | |
398d8ee1 | 779 | #undef FUNC_NAME |
80662eda MD |
780 | |
781 | /* When instances change class, they finally get a new body, but | |
782 | * before that, they go through purgatory in hell. Odd as it may | |
783 | * seem, this data structure saves us from eternal suffering in | |
784 | * infinite recursions. | |
785 | */ | |
786 | ||
92c2555f | 787 | static scm_t_bits **hell; |
c014a02e ML |
788 | static long n_hell = 1; /* one place for the evil one himself */ |
789 | static long hell_size = 4; | |
2132f0d2 | 790 | static SCM hell_mutex; |
80662eda | 791 | |
c014a02e | 792 | static long |
80662eda MD |
793 | burnin (SCM o) |
794 | { | |
c014a02e | 795 | long i; |
80662eda | 796 | for (i = 1; i < n_hell; ++i) |
6b80d352 | 797 | if (SCM_STRUCT_DATA (o) == hell[i]) |
80662eda MD |
798 | return i; |
799 | return 0; | |
800 | } | |
801 | ||
802 | static void | |
803 | go_to_hell (void *o) | |
804 | { | |
b5df9cda | 805 | SCM obj = *(SCM*)o; |
2132f0d2 | 806 | scm_lock_mutex (hell_mutex); |
51ef99f7 | 807 | if (n_hell >= hell_size) |
80662eda | 808 | { |
51ef99f7 | 809 | hell_size *= 2; |
408bcd99 | 810 | hell = scm_realloc (hell, hell_size * sizeof(*hell)); |
80662eda | 811 | } |
6b80d352 | 812 | hell[n_hell++] = SCM_STRUCT_DATA (obj); |
2132f0d2 | 813 | scm_unlock_mutex (hell_mutex); |
80662eda MD |
814 | } |
815 | ||
816 | static void | |
817 | go_to_heaven (void *o) | |
818 | { | |
b5df9cda | 819 | SCM obj = *(SCM*)o; |
2132f0d2 | 820 | scm_lock_mutex (hell_mutex); |
b5df9cda | 821 | hell[burnin (obj)] = hell[--n_hell]; |
2132f0d2 | 822 | scm_unlock_mutex (hell_mutex); |
80662eda MD |
823 | } |
824 | ||
6b80d352 DH |
825 | |
826 | SCM_SYMBOL (scm_sym_change_class, "change-class"); | |
827 | ||
80662eda | 828 | static SCM |
b5df9cda | 829 | purgatory (SCM obj, SCM new_class) |
80662eda | 830 | { |
b5df9cda | 831 | return scm_call_2 (SCM_VARIABLE_REF (var_change_class), obj, new_class); |
80662eda MD |
832 | } |
833 | ||
38d8927c MD |
834 | /* This function calls the generic function change-class for all |
835 | * instances which aren't currently undergoing class change. | |
836 | */ | |
837 | ||
80662eda | 838 | void |
e81d98ec | 839 | scm_change_object_class (SCM obj, SCM old_class SCM_UNUSED, SCM new_class) |
80662eda MD |
840 | { |
841 | if (!burnin (obj)) | |
b5df9cda AW |
842 | { |
843 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); | |
844 | scm_dynwind_rewind_handler (go_to_hell, &obj, SCM_F_WIND_EXPLICITLY); | |
845 | scm_dynwind_unwind_handler (go_to_heaven, &obj, SCM_F_WIND_EXPLICITLY); | |
846 | purgatory (obj, new_class); | |
847 | scm_dynwind_end (); | |
848 | } | |
80662eda MD |
849 | } |
850 | ||
851 | /****************************************************************************** | |
852 | * | |
6d77c894 TTN |
853 | * GGGG FFFFF |
854 | * G F | |
855 | * G GG FFF | |
856 | * G G F | |
80662eda MD |
857 | * GGG E N E R I C F U N C T I O N S |
858 | * | |
859 | * This implementation provides | |
860 | * - generic functions (with class specializers) | |
861 | * - multi-methods | |
6d77c894 | 862 | * - next-method |
80662eda MD |
863 | * - a hard-coded MOP for standard gf, which can be overloaded for non-std gf |
864 | * | |
865 | ******************************************************************************/ | |
866 | ||
867 | SCM_KEYWORD (k_name, "name"); | |
63c1872f | 868 | SCM_GLOBAL_SYMBOL (scm_sym_args, "args"); |
80662eda | 869 | |
398d8ee1 KN |
870 | SCM_DEFINE (scm_generic_capability_p, "generic-capability?", 1, 0, 0, |
871 | (SCM proc), | |
872 | "") | |
873 | #define FUNC_NAME s_scm_generic_capability_p | |
80662eda | 874 | { |
7888309b | 875 | SCM_ASSERT (scm_is_true (scm_procedure_p (proc)), |
398d8ee1 | 876 | proc, SCM_ARG1, FUNC_NAME); |
9fdf9fd3 | 877 | return (SCM_PRIMITIVE_GENERIC_P (proc) ? SCM_BOOL_T : SCM_BOOL_F); |
80662eda | 878 | } |
398d8ee1 | 879 | #undef FUNC_NAME |
80662eda | 880 | |
398d8ee1 KN |
881 | SCM_DEFINE (scm_enable_primitive_generic_x, "enable-primitive-generic!", 0, 0, 1, |
882 | (SCM subrs), | |
883 | "") | |
884 | #define FUNC_NAME s_scm_enable_primitive_generic_x | |
80662eda | 885 | { |
6b80d352 | 886 | SCM_VALIDATE_REST_ARGUMENT (subrs); |
d2e53ed6 | 887 | while (!scm_is_null (subrs)) |
80662eda MD |
888 | { |
889 | SCM subr = SCM_CAR (subrs); | |
9fdf9fd3 | 890 | SCM_ASSERT (SCM_PRIMITIVE_GENERIC_P (subr), subr, SCM_ARGn, FUNC_NAME); |
52fd9639 | 891 | SCM_SET_SUBR_GENERIC (subr, |
57898597 | 892 | scm_make (scm_list_3 (class_generic, |
52fd9639 AW |
893 | k_name, |
894 | SCM_SUBR_NAME (subr)))); | |
80662eda MD |
895 | subrs = SCM_CDR (subrs); |
896 | } | |
897 | return SCM_UNSPECIFIED; | |
898 | } | |
398d8ee1 | 899 | #undef FUNC_NAME |
80662eda | 900 | |
9f63ce02 AW |
901 | SCM_DEFINE (scm_set_primitive_generic_x, "set-primitive-generic!", 2, 0, 0, |
902 | (SCM subr, SCM generic), | |
903 | "") | |
904 | #define FUNC_NAME s_scm_set_primitive_generic_x | |
905 | { | |
9fdf9fd3 | 906 | SCM_ASSERT (SCM_PRIMITIVE_GENERIC_P (subr), subr, SCM_ARG1, FUNC_NAME); |
9f63ce02 | 907 | SCM_ASSERT (SCM_PUREGENERICP (generic), generic, SCM_ARG2, FUNC_NAME); |
52fd9639 | 908 | SCM_SET_SUBR_GENERIC (subr, generic); |
9f63ce02 AW |
909 | return SCM_UNSPECIFIED; |
910 | } | |
911 | #undef FUNC_NAME | |
912 | ||
398d8ee1 KN |
913 | SCM_DEFINE (scm_primitive_generic_generic, "primitive-generic-generic", 1, 0, 0, |
914 | (SCM subr), | |
915 | "") | |
916 | #define FUNC_NAME s_scm_primitive_generic_generic | |
80662eda | 917 | { |
9fdf9fd3 | 918 | if (SCM_PRIMITIVE_GENERIC_P (subr)) |
80662eda | 919 | { |
b2b33168 | 920 | if (!SCM_UNPACK (*SCM_SUBR_GENERIC (subr))) |
a48d60b1 MD |
921 | scm_enable_primitive_generic_x (scm_list_1 (subr)); |
922 | return *SCM_SUBR_GENERIC (subr); | |
80662eda | 923 | } |
db4b4ca6 | 924 | SCM_WRONG_TYPE_ARG (SCM_ARG1, subr); |
80662eda | 925 | } |
398d8ee1 | 926 | #undef FUNC_NAME |
80662eda | 927 | |
a48d60b1 MD |
928 | typedef struct t_extension { |
929 | struct t_extension *next; | |
930 | SCM extended; | |
931 | SCM extension; | |
932 | } t_extension; | |
933 | ||
d0cad249 LC |
934 | |
935 | /* Hint for `scm_gc_malloc ()' et al. when allocating `t_extension' | |
936 | objects. */ | |
937 | static const char extension_gc_hint[] = "GOOPS extension"; | |
938 | ||
a48d60b1 MD |
939 | static t_extension *extensions = 0; |
940 | ||
a48d60b1 MD |
941 | void |
942 | scm_c_extend_primitive_generic (SCM extended, SCM extension) | |
943 | { | |
944 | if (goops_loaded_p) | |
945 | { | |
946 | SCM gf, gext; | |
b2b33168 | 947 | if (!SCM_UNPACK (*SCM_SUBR_GENERIC (extended))) |
a48d60b1 MD |
948 | scm_enable_primitive_generic_x (scm_list_1 (extended)); |
949 | gf = *SCM_SUBR_GENERIC (extended); | |
950 | gext = scm_call_2 (SCM_VARIABLE_REF (scm_var_make_extended_generic), | |
951 | gf, | |
ce471ab8 | 952 | SCM_SUBR_NAME (extension)); |
feccd2d3 | 953 | SCM_SET_SUBR_GENERIC (extension, gext); |
a48d60b1 MD |
954 | } |
955 | else | |
956 | { | |
d0cad249 LC |
957 | t_extension *e = scm_gc_malloc (sizeof (t_extension), |
958 | extension_gc_hint); | |
a48d60b1 MD |
959 | t_extension **loc = &extensions; |
960 | /* Make sure that extensions are placed before their own | |
961 | * extensions in the extensions list. O(N^2) algorithm, but | |
962 | * extensions of primitive generics are rare. | |
963 | */ | |
d223c3fc | 964 | while (*loc && !scm_is_eq (extension, (*loc)->extended)) |
a48d60b1 MD |
965 | loc = &(*loc)->next; |
966 | e->next = *loc; | |
967 | e->extended = extended; | |
968 | e->extension = extension; | |
969 | *loc = e; | |
970 | } | |
971 | } | |
972 | ||
973 | static void | |
974 | setup_extended_primitive_generics () | |
975 | { | |
976 | while (extensions) | |
977 | { | |
978 | t_extension *e = extensions; | |
979 | scm_c_extend_primitive_generic (e->extended, e->extension); | |
980 | extensions = e->next; | |
a48d60b1 MD |
981 | } |
982 | } | |
983 | ||
fa075d40 AW |
984 | /* Dirk:FIXME:: In all of these scm_wta_dispatch_* routines it is |
985 | * assumed that 'gf' is zero if uninitialized. It would be cleaner if | |
986 | * some valid SCM value like SCM_BOOL_F or SCM_UNDEFINED were chosen. | |
987 | */ | |
988 | ||
989 | SCM | |
990 | scm_wta_dispatch_0 (SCM gf, const char *subr) | |
991 | { | |
992 | if (!SCM_UNPACK (gf)) | |
993 | scm_error_num_args_subr (subr); | |
994 | ||
995 | return scm_call_0 (gf); | |
996 | } | |
997 | ||
998 | SCM | |
999 | scm_wta_dispatch_1 (SCM gf, SCM a1, int pos, const char *subr) | |
1000 | { | |
1001 | if (!SCM_UNPACK (gf)) | |
1002 | scm_wrong_type_arg (subr, pos, a1); | |
1003 | ||
1004 | return scm_call_1 (gf, a1); | |
1005 | } | |
1006 | ||
1007 | SCM | |
1008 | scm_wta_dispatch_2 (SCM gf, SCM a1, SCM a2, int pos, const char *subr) | |
1009 | { | |
1010 | if (!SCM_UNPACK (gf)) | |
1011 | scm_wrong_type_arg (subr, pos, (pos == SCM_ARG1) ? a1 : a2); | |
1012 | ||
1013 | return scm_call_2 (gf, a1, a2); | |
1014 | } | |
1015 | ||
1016 | SCM | |
1017 | scm_wta_dispatch_n (SCM gf, SCM args, int pos, const char *subr) | |
1018 | { | |
1019 | if (!SCM_UNPACK (gf)) | |
1020 | scm_wrong_type_arg (subr, pos, scm_list_ref (args, scm_from_int (pos))); | |
1021 | ||
1022 | return scm_apply_0 (gf, args); | |
1023 | } | |
1024 | ||
80662eda | 1025 | /****************************************************************************** |
6d77c894 | 1026 | * |
80662eda | 1027 | * Protocol for calling a generic fumction |
6d77c894 | 1028 | * This protocol is roughly equivalent to (parameter are a little bit different |
80662eda MD |
1029 | * for efficiency reasons): |
1030 | * | |
1031 | * + apply-generic (gf args) | |
1032 | * + compute-applicable-methods (gf args ...) | |
1033 | * + sort-applicable-methods (methods args) | |
1034 | * + apply-methods (gf methods args) | |
6d77c894 TTN |
1035 | * |
1036 | * apply-methods calls make-next-method to build the "continuation" of a a | |
80662eda MD |
1037 | * method. Applying a next-method will call apply-next-method which in |
1038 | * turn will call apply again to call effectively the following method. | |
1039 | * | |
1040 | ******************************************************************************/ | |
1041 | ||
398d8ee1 KN |
1042 | SCM_DEFINE (scm_make, "make", 0, 0, 1, |
1043 | (SCM args), | |
27c37006 | 1044 | "Make a new object. @var{args} must contain the class and\n" |
6bcefd15 | 1045 | "all necessary initialization information.") |
398d8ee1 | 1046 | #define FUNC_NAME s_scm_make |
80662eda | 1047 | { |
e0590e7c | 1048 | return scm_apply_0 (scm_variable_ref (var_make), args); |
80662eda | 1049 | } |
398d8ee1 | 1050 | #undef FUNC_NAME |
80662eda | 1051 | |
80662eda | 1052 | |
80662eda MD |
1053 | /********************************************************************** |
1054 | * | |
1055 | * Smob classes | |
1056 | * | |
1057 | **********************************************************************/ | |
1058 | ||
1059 | static SCM | |
2e0b6934 | 1060 | make_class_name (const char *prefix, const char *type_name, const char *suffix) |
80662eda | 1061 | { |
2e0b6934 AW |
1062 | if (!type_name) |
1063 | type_name = ""; | |
1064 | return scm_string_to_symbol (scm_string_append | |
1065 | (scm_list_3 (scm_from_utf8_string (prefix), | |
1066 | scm_from_utf8_string (type_name), | |
1067 | scm_from_utf8_string (suffix)))); | |
80662eda MD |
1068 | } |
1069 | ||
1070 | SCM | |
da0e6c2b | 1071 | scm_make_extended_class (char const *type_name, int applicablep) |
80662eda | 1072 | { |
2e0b6934 AW |
1073 | SCM name, meta, supers; |
1074 | ||
1075 | name = make_class_name ("<", type_name, ">"); | |
1076 | meta = class_class; | |
1077 | ||
1078 | if (applicablep) | |
1079 | supers = scm_list_1 (class_applicable); | |
1080 | else | |
1081 | supers = scm_list_1 (class_top); | |
1082 | ||
1083 | return scm_make_standard_class (meta, name, supers, SCM_EOL); | |
74b6d6e4 MD |
1084 | } |
1085 | ||
1086 | void | |
1087 | scm_i_inherit_applicable (SCM c) | |
1088 | { | |
57898597 | 1089 | if (!SCM_SUBCLASSP (c, class_applicable)) |
74b6d6e4 MD |
1090 | { |
1091 | SCM dsupers = SCM_SLOT (c, scm_si_direct_supers); | |
1092 | SCM cpl = SCM_SLOT (c, scm_si_cpl); | |
57898597 AW |
1093 | /* patch class_applicable into direct-supers */ |
1094 | SCM top = scm_c_memq (class_top, dsupers); | |
7888309b | 1095 | if (scm_is_false (top)) |
74b6d6e4 | 1096 | dsupers = scm_append (scm_list_2 (dsupers, |
57898597 | 1097 | scm_list_1 (class_applicable))); |
74b6d6e4 MD |
1098 | else |
1099 | { | |
57898597 AW |
1100 | SCM_SETCAR (top, class_applicable); |
1101 | SCM_SETCDR (top, scm_cons (class_top, SCM_CDR (top))); | |
74b6d6e4 MD |
1102 | } |
1103 | SCM_SET_SLOT (c, scm_si_direct_supers, dsupers); | |
57898597 AW |
1104 | /* patch class_applicable into cpl */ |
1105 | top = scm_c_memq (class_top, cpl); | |
7888309b | 1106 | if (scm_is_false (top)) |
74b6d6e4 MD |
1107 | abort (); |
1108 | else | |
1109 | { | |
57898597 AW |
1110 | SCM_SETCAR (top, class_applicable); |
1111 | SCM_SETCDR (top, scm_cons (class_top, SCM_CDR (top))); | |
74b6d6e4 | 1112 | } |
57898597 AW |
1113 | /* add class to direct-subclasses of class_applicable */ |
1114 | SCM_SET_SLOT (class_applicable, | |
74b6d6e4 | 1115 | scm_si_direct_subclasses, |
57898597 | 1116 | scm_cons (c, SCM_SLOT (class_applicable, |
74b6d6e4 MD |
1117 | scm_si_direct_subclasses))); |
1118 | } | |
80662eda MD |
1119 | } |
1120 | ||
1121 | static void | |
1122 | create_smob_classes (void) | |
1123 | { | |
c014a02e | 1124 | long i; |
80662eda | 1125 | |
c891a40e | 1126 | for (i = 0; i < SCM_I_MAX_SMOB_TYPE_COUNT; ++i) |
57898597 | 1127 | scm_i_smob_class[i] = SCM_BOOL_F; |
80662eda | 1128 | |
80662eda | 1129 | for (i = 0; i < scm_numsmob; ++i) |
57898597 AW |
1130 | if (scm_is_false (scm_i_smob_class[i])) |
1131 | scm_i_smob_class[i] = scm_make_extended_class (SCM_SMOBNAME (i), | |
1132 | scm_smobs[i].apply != 0); | |
80662eda MD |
1133 | } |
1134 | ||
1135 | void | |
c014a02e | 1136 | scm_make_port_classes (long ptobnum, char *type_name) |
80662eda | 1137 | { |
2e0b6934 AW |
1138 | SCM name, meta, super, supers; |
1139 | ||
1140 | meta = class_class; | |
1141 | ||
1142 | name = make_class_name ("<", type_name, "-port>"); | |
1143 | supers = scm_list_1 (class_port); | |
1144 | super = scm_make_standard_class (meta, name, supers, SCM_EOL); | |
1145 | ||
1146 | name = make_class_name ("<", type_name, "-input-port>"); | |
1147 | supers = scm_list_2 (super, class_input_port); | |
57898597 | 1148 | scm_i_port_class[SCM_IN_PCLASS_INDEX + ptobnum] |
2e0b6934 AW |
1149 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
1150 | ||
1151 | name = make_class_name ("<", type_name, "-output-port>"); | |
1152 | supers = scm_list_2 (super, class_output_port); | |
57898597 | 1153 | scm_i_port_class[SCM_OUT_PCLASS_INDEX + ptobnum] |
2e0b6934 AW |
1154 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
1155 | ||
1156 | name = make_class_name ("<", type_name, "-input-output-port>"); | |
1157 | supers = scm_list_2 (super, class_input_output_port); | |
57898597 | 1158 | scm_i_port_class[SCM_INOUT_PCLASS_INDEX + ptobnum] |
2e0b6934 | 1159 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
80662eda MD |
1160 | } |
1161 | ||
1162 | static void | |
1163 | create_port_classes (void) | |
1164 | { | |
c014a02e | 1165 | long i; |
80662eda | 1166 | |
62bd5d66 | 1167 | for (i = scm_c_num_port_types () - 1; i >= 0; i--) |
80662eda MD |
1168 | scm_make_port_classes (i, SCM_PTOBNAME (i)); |
1169 | } | |
1170 | ||
6c7dd9eb AW |
1171 | SCM |
1172 | scm_i_define_class_for_vtable (SCM vtable) | |
1173 | { | |
1174 | SCM class; | |
1175 | ||
1176 | scm_i_pthread_mutex_lock (&scm_i_misc_mutex); | |
1177 | if (scm_is_false (vtable_class_map)) | |
1178 | vtable_class_map = scm_c_make_weak_table (0, SCM_WEAK_TABLE_KIND_KEY); | |
1179 | scm_i_pthread_mutex_unlock (&scm_i_misc_mutex); | |
1180 | ||
1181 | if (scm_is_false (scm_struct_vtable_p (vtable))) | |
1182 | abort (); | |
1183 | ||
1184 | class = scm_weak_table_refq (vtable_class_map, vtable, SCM_BOOL_F); | |
1185 | ||
1186 | if (scm_is_false (class)) | |
1187 | { | |
57898597 | 1188 | if (SCM_UNPACK (class_class)) |
6c7dd9eb AW |
1189 | { |
1190 | SCM name, meta, supers; | |
1191 | ||
1192 | name = SCM_VTABLE_NAME (vtable); | |
1193 | if (scm_is_symbol (name)) | |
1194 | name = scm_string_to_symbol | |
1195 | (scm_string_append | |
1196 | (scm_list_3 (scm_from_latin1_string ("<"), | |
1197 | scm_symbol_to_string (name), | |
1198 | scm_from_latin1_string (">")))); | |
1199 | else | |
1200 | name = scm_from_latin1_symbol ("<>"); | |
1201 | ||
1202 | if (SCM_STRUCT_VTABLE_FLAG_IS_SET (vtable, SCM_VTABLE_FLAG_SETTER)) | |
1203 | { | |
57898597 AW |
1204 | meta = class_applicable_struct_with_setter_class; |
1205 | supers = scm_list_1 (class_applicable_struct_with_setter); | |
6c7dd9eb AW |
1206 | } |
1207 | else if (SCM_STRUCT_VTABLE_FLAG_IS_SET (vtable, | |
1208 | SCM_VTABLE_FLAG_APPLICABLE)) | |
1209 | { | |
57898597 AW |
1210 | meta = class_applicable_struct_class; |
1211 | supers = scm_list_1 (class_applicable_struct); | |
6c7dd9eb AW |
1212 | } |
1213 | else | |
1214 | { | |
57898597 AW |
1215 | meta = class_class; |
1216 | supers = scm_list_1 (class_top); | |
6c7dd9eb AW |
1217 | } |
1218 | ||
1219 | return scm_make_standard_class (meta, name, supers, SCM_EOL); | |
1220 | } | |
1221 | else | |
1222 | /* `create_struct_classes' will fill this in later. */ | |
1223 | class = SCM_BOOL_F; | |
1224 | ||
1225 | /* Don't worry about races. This only happens when creating a | |
1226 | vtable, which happens by definition in one thread. */ | |
1227 | scm_weak_table_putq_x (vtable_class_map, vtable, class); | |
1228 | } | |
1229 | ||
1230 | return class; | |
1231 | } | |
1232 | ||
80662eda | 1233 | static SCM |
74b6d6e4 MD |
1234 | make_struct_class (void *closure SCM_UNUSED, |
1235 | SCM vtable, SCM data, SCM prev SCM_UNUSED) | |
80662eda | 1236 | { |
f3c6a02c AW |
1237 | if (scm_is_false (data)) |
1238 | scm_i_define_class_for_vtable (vtable); | |
80662eda MD |
1239 | return SCM_UNSPECIFIED; |
1240 | } | |
1241 | ||
1242 | static void | |
1243 | create_struct_classes (void) | |
1244 | { | |
ea742d29 | 1245 | /* FIXME: take the vtable_class_map while initializing goops? */ |
f3c6a02c AW |
1246 | scm_internal_hash_fold (make_struct_class, 0, SCM_BOOL_F, |
1247 | vtable_class_map); | |
80662eda MD |
1248 | } |
1249 | ||
1250 | /********************************************************************** | |
1251 | * | |
1252 | * C interface | |
1253 | * | |
1254 | **********************************************************************/ | |
1255 | ||
1256 | void | |
1257 | scm_load_goops () | |
1258 | { | |
1259 | if (!goops_loaded_p) | |
abd28220 | 1260 | scm_c_resolve_module ("oop goops"); |
80662eda MD |
1261 | } |
1262 | ||
e11208ca | 1263 | |
e0590e7c AW |
1264 | SCM_KEYWORD (k_setter, "setter"); |
1265 | ||
80662eda MD |
1266 | SCM |
1267 | scm_ensure_accessor (SCM name) | |
1268 | { | |
3f48638c AW |
1269 | SCM var, gf; |
1270 | ||
1271 | var = scm_module_variable (scm_current_module (), name); | |
1272 | if (SCM_VARIABLEP (var) && !SCM_UNBNDP (SCM_VARIABLE_REF (var))) | |
1273 | gf = SCM_VARIABLE_REF (var); | |
1274 | else | |
1275 | gf = SCM_BOOL_F; | |
1276 | ||
57898597 | 1277 | if (!SCM_IS_A_P (gf, class_accessor)) |
80662eda | 1278 | { |
57898597 AW |
1279 | gf = scm_make (scm_list_3 (class_generic, k_name, name)); |
1280 | gf = scm_make (scm_list_5 (class_accessor, | |
1afff620 | 1281 | k_name, name, k_setter, gf)); |
80662eda | 1282 | } |
3f48638c | 1283 | |
80662eda MD |
1284 | return gf; |
1285 | } | |
1286 | ||
80662eda MD |
1287 | /* |
1288 | * Initialization | |
1289 | */ | |
1290 | ||
6c7dd9eb AW |
1291 | SCM_DEFINE (scm_sys_bless_applicable_struct_vtables_x, "%bless-applicable-struct-vtables!", 2, 0, 0, |
1292 | (SCM applicable, SCM setter), | |
51fd1cd6 | 1293 | "") |
6c7dd9eb | 1294 | #define FUNC_NAME s_scm_sys_bless_applicable_struct_vtables_x |
51fd1cd6 | 1295 | { |
6c7dd9eb AW |
1296 | SCM_VALIDATE_CLASS (1, applicable); |
1297 | SCM_VALIDATE_CLASS (2, setter); | |
1298 | SCM_SET_VTABLE_FLAGS (applicable, SCM_VTABLE_FLAG_APPLICABLE_VTABLE); | |
1299 | SCM_SET_VTABLE_FLAGS (setter, SCM_VTABLE_FLAG_SETTER_VTABLE); | |
51fd1cd6 AW |
1300 | return SCM_UNSPECIFIED; |
1301 | } | |
1302 | #undef FUNC_NAME | |
1303 | ||
1304 | SCM_DEFINE (scm_sys_bless_pure_generic_vtable_x, "%bless-pure-generic-vtable!", 1, 0, 0, | |
1305 | (SCM vtable), | |
1306 | "") | |
1307 | #define FUNC_NAME s_scm_sys_bless_pure_generic_vtable_x | |
1308 | { | |
1309 | SCM_VALIDATE_CLASS (1, vtable); | |
1310 | SCM_SET_CLASS_FLAGS (vtable, SCM_CLASSF_PURE_GENERIC); | |
1311 | return SCM_UNSPECIFIED; | |
1312 | } | |
1313 | #undef FUNC_NAME | |
1314 | ||
82ab5090 AW |
1315 | SCM_DEFINE (scm_sys_goops_early_init, "%goops-early-init", 0, 0, 0, |
1316 | (), | |
1317 | "") | |
1318 | #define FUNC_NAME s_scm_sys_goops_early_init | |
1319 | { | |
51fd1cd6 | 1320 | var_make_standard_class = scm_c_lookup ("make-standard-class"); |
e0590e7c | 1321 | var_make = scm_c_lookup ("make"); |
51fd1cd6 | 1322 | |
ade4cf4c AW |
1323 | var_slot_ref_using_class = scm_c_lookup ("slot-ref-using-class"); |
1324 | var_slot_set_using_class_x = scm_c_lookup ("slot-set-using-class!"); | |
1325 | var_slot_bound_using_class_p = scm_c_lookup ("slot-bound-using-class?"); | |
1326 | var_slot_exists_using_class_p = scm_c_lookup ("slot-exists-using-class?"); | |
1327 | ||
1328 | var_slot_ref = scm_c_lookup ("slot-ref"); | |
1329 | var_slot_set_x = scm_c_lookup ("slot-set!"); | |
1330 | var_slot_bound_p = scm_c_lookup ("slot-bound?"); | |
1331 | var_slot_exists_p = scm_c_lookup ("slot-exists?"); | |
1332 | ||
57898597 AW |
1333 | class_class = scm_variable_ref (scm_c_lookup ("<class>")); |
1334 | class_top = scm_variable_ref (scm_c_lookup ("<top>")); | |
1335 | class_object = scm_variable_ref (scm_c_lookup ("<object>")); | |
1336 | ||
1337 | class_foreign_slot = scm_variable_ref (scm_c_lookup ("<foreign-slot>")); | |
1338 | class_protected = scm_variable_ref (scm_c_lookup ("<protected-slot>")); | |
1339 | class_hidden = scm_variable_ref (scm_c_lookup ("<hidden-slot>")); | |
1340 | class_opaque = scm_variable_ref (scm_c_lookup ("<opaque-slot>")); | |
1341 | class_read_only = scm_variable_ref (scm_c_lookup ("<read-only-slot>")); | |
1342 | class_self = scm_variable_ref (scm_c_lookup ("<self-slot>")); | |
1343 | class_protected_opaque = scm_variable_ref (scm_c_lookup ("<protected-opaque-slot>")); | |
1344 | class_protected_hidden = scm_variable_ref (scm_c_lookup ("<protected-hidden-slot>")); | |
1345 | class_protected_read_only = scm_variable_ref (scm_c_lookup ("<protected-read-only-slot>")); | |
1346 | class_scm = scm_variable_ref (scm_c_lookup ("<scm-slot>")); | |
1347 | class_int = scm_variable_ref (scm_c_lookup ("<int-slot>")); | |
1348 | class_float = scm_variable_ref (scm_c_lookup ("<float-slot>")); | |
1349 | class_double = scm_variable_ref (scm_c_lookup ("<double-slot>")); | |
1350 | ||
1351 | /* Applicables */ | |
1352 | class_procedure_class = scm_variable_ref (scm_c_lookup ("<procedure-class>")); | |
1353 | class_applicable_struct_class = scm_variable_ref (scm_c_lookup ("<applicable-struct-class>")); | |
1354 | class_applicable_struct_with_setter_class = | |
6c7dd9eb | 1355 | scm_variable_ref (scm_c_lookup ("<applicable-struct-with-setter-class>")); |
51fd1cd6 | 1356 | |
57898597 AW |
1357 | class_method = scm_variable_ref (scm_c_lookup ("<method>")); |
1358 | class_accessor_method = scm_variable_ref (scm_c_lookup ("<accessor-method>")); | |
1359 | class_applicable = scm_variable_ref (scm_c_lookup ("<applicable>")); | |
1360 | class_applicable_struct = scm_variable_ref (scm_c_lookup ("<applicable-struct>")); | |
1361 | class_applicable_struct_with_setter = scm_variable_ref (scm_c_lookup ("<applicable-struct-with-setter>")); | |
1362 | class_generic = scm_variable_ref (scm_c_lookup ("<generic>")); | |
1363 | class_extended_generic = scm_variable_ref (scm_c_lookup ("<extended-generic>")); | |
1364 | class_generic_with_setter = scm_variable_ref (scm_c_lookup ("<generic-with-setter>")); | |
1365 | class_accessor = scm_variable_ref (scm_c_lookup ("<accessor>")); | |
1366 | class_extended_generic_with_setter = scm_variable_ref (scm_c_lookup ("<extended-generic-with-setter>")); | |
1367 | class_extended_accessor = scm_variable_ref (scm_c_lookup ("<extended-accessor>")); | |
51fd1cd6 AW |
1368 | |
1369 | /* Primitive types classes */ | |
57898597 AW |
1370 | class_boolean = scm_variable_ref (scm_c_lookup ("<boolean>")); |
1371 | class_char = scm_variable_ref (scm_c_lookup ("<char>")); | |
1372 | class_list = scm_variable_ref (scm_c_lookup ("<list>")); | |
1373 | class_pair = scm_variable_ref (scm_c_lookup ("<pair>")); | |
1374 | class_null = scm_variable_ref (scm_c_lookup ("<null>")); | |
1375 | class_string = scm_variable_ref (scm_c_lookup ("<string>")); | |
1376 | class_symbol = scm_variable_ref (scm_c_lookup ("<symbol>")); | |
1377 | class_vector = scm_variable_ref (scm_c_lookup ("<vector>")); | |
51fd1cd6 AW |
1378 | class_foreign = scm_variable_ref (scm_c_lookup ("<foreign>")); |
1379 | class_hashtable = scm_variable_ref (scm_c_lookup ("<hashtable>")); | |
1380 | class_fluid = scm_variable_ref (scm_c_lookup ("<fluid>")); | |
1381 | class_dynamic_state = scm_variable_ref (scm_c_lookup ("<dynamic-state>")); | |
1382 | class_frame = scm_variable_ref (scm_c_lookup ("<frame>")); | |
1383 | class_vm_cont = scm_variable_ref (scm_c_lookup ("<vm-continuation>")); | |
1384 | class_bytevector = scm_variable_ref (scm_c_lookup ("<bytevector>")); | |
1385 | class_uvec = scm_variable_ref (scm_c_lookup ("<uvec>")); | |
1386 | class_array = scm_variable_ref (scm_c_lookup ("<array>")); | |
1387 | class_bitvector = scm_variable_ref (scm_c_lookup ("<bitvector>")); | |
57898597 AW |
1388 | class_number = scm_variable_ref (scm_c_lookup ("<number>")); |
1389 | class_complex = scm_variable_ref (scm_c_lookup ("<complex>")); | |
1390 | class_real = scm_variable_ref (scm_c_lookup ("<real>")); | |
1391 | class_integer = scm_variable_ref (scm_c_lookup ("<integer>")); | |
1392 | class_fraction = scm_variable_ref (scm_c_lookup ("<fraction>")); | |
1393 | class_keyword = scm_variable_ref (scm_c_lookup ("<keyword>")); | |
1394 | class_unknown = scm_variable_ref (scm_c_lookup ("<unknown>")); | |
1395 | class_procedure = scm_variable_ref (scm_c_lookup ("<procedure>")); | |
1396 | class_primitive_generic = scm_variable_ref (scm_c_lookup ("<primitive-generic>")); | |
1397 | class_port = scm_variable_ref (scm_c_lookup ("<port>")); | |
1398 | class_input_port = scm_variable_ref (scm_c_lookup ("<input-port>")); | |
1399 | class_output_port = scm_variable_ref (scm_c_lookup ("<output-port>")); | |
1400 | class_input_output_port = scm_variable_ref (scm_c_lookup ("<input-output-port>")); | |
51fd1cd6 | 1401 | |
82ab5090 AW |
1402 | create_smob_classes (); |
1403 | create_struct_classes (); | |
1404 | create_port_classes (); | |
1405 | ||
82ab5090 AW |
1406 | return SCM_UNSPECIFIED; |
1407 | } | |
1408 | #undef FUNC_NAME | |
1409 | ||
398d8ee1 KN |
1410 | SCM_DEFINE (scm_sys_goops_loaded, "%goops-loaded", 0, 0, 0, |
1411 | (), | |
6bcefd15 MG |
1412 | "Announce that GOOPS is loaded and perform initialization\n" |
1413 | "on the C level which depends on the loaded GOOPS modules.") | |
398d8ee1 | 1414 | #define FUNC_NAME s_scm_sys_goops_loaded |
80662eda MD |
1415 | { |
1416 | goops_loaded_p = 1; | |
48c981c9 AW |
1417 | var_class_name = scm_c_lookup ("class-name"); |
1418 | var_class_direct_supers = scm_c_lookup ("class-direct-supers"); | |
1419 | var_class_direct_slots = scm_c_lookup ("class-direct-slots"); | |
1420 | var_class_direct_subclasses = scm_c_lookup ("class-direct-subclasses"); | |
1421 | var_class_direct_methods = scm_c_lookup ("class-direct-methods"); | |
1422 | var_class_precedence_list = scm_c_lookup ("class-precedence-list"); | |
1423 | var_class_slots = scm_c_lookup ("class-slots"); | |
1424 | ||
1425 | var_generic_function_methods = scm_c_lookup ("generic-function-methods"); | |
1426 | var_method_generic_function = scm_c_lookup ("method-generic-function"); | |
1427 | var_method_specializers = scm_c_lookup ("method-specializers"); | |
1428 | var_method_procedure = scm_c_lookup ("method-procedure"); | |
1429 | ||
bef95911 | 1430 | var_change_class = |
f39448c5 | 1431 | scm_module_variable (scm_module_goops, sym_change_class); |
a48d60b1 | 1432 | setup_extended_primitive_generics (); |
623559f3 AW |
1433 | |
1434 | #if (SCM_ENABLE_DEPRECATED == 1) | |
1435 | scm_init_deprecated_goops (); | |
1436 | #endif | |
1437 | ||
80662eda MD |
1438 | return SCM_UNSPECIFIED; |
1439 | } | |
398d8ee1 | 1440 | #undef FUNC_NAME |
80662eda MD |
1441 | |
1442 | SCM scm_module_goops; | |
1443 | ||
6ab19396 AW |
1444 | static void |
1445 | scm_init_goops_builtins (void *unused) | |
80662eda | 1446 | { |
abd28220 | 1447 | scm_module_goops = scm_current_module (); |
80662eda | 1448 | |
bb764c0e | 1449 | hell = scm_calloc (hell_size * sizeof (*hell)); |
f39448c5 | 1450 | hell_mutex = scm_make_mutex (); |
80662eda | 1451 | |
82ab5090 | 1452 | #include "libguile/goops.x" |
80662eda MD |
1453 | } |
1454 | ||
1455 | void | |
abd28220 | 1456 | scm_init_goops () |
80662eda | 1457 | { |
6ab19396 AW |
1458 | scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION, |
1459 | "scm_init_goops_builtins", scm_init_goops_builtins, | |
1460 | NULL); | |
80662eda | 1461 | } |
23437298 DH |
1462 | |
1463 | /* | |
1464 | Local Variables: | |
1465 | c-file-style: "gnu" | |
1466 | End: | |
1467 | */ |