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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_make_root_class (SCM name, SCM dslots, |
161 | SCM getters_n_setters); | |
162 | static SCM scm_sys_init_layout_x (SCM class, SCM layout); | |
82ab5090 | 163 | static SCM scm_sys_goops_early_init (void); |
398d8ee1 | 164 | static SCM scm_sys_goops_loaded (void); |
80662eda | 165 | |
f3c6a02c | 166 | |
539d5410 MV |
167 | /* This function is used for efficient type dispatch. */ |
168 | SCM_DEFINE (scm_class_of, "class-of", 1, 0, 0, | |
169 | (SCM x), | |
170 | "Return the class of @var{x}.") | |
171 | #define FUNC_NAME s_scm_class_of | |
172 | { | |
173 | switch (SCM_ITAG3 (x)) | |
174 | { | |
175 | case scm_tc3_int_1: | |
176 | case scm_tc3_int_2: | |
57898597 | 177 | return class_integer; |
539d5410 MV |
178 | |
179 | case scm_tc3_imm24: | |
180 | if (SCM_CHARP (x)) | |
57898597 | 181 | return class_char; |
539d5410 | 182 | else if (scm_is_bool (x)) |
57898597 | 183 | return class_boolean; |
539d5410 | 184 | else if (scm_is_null (x)) |
57898597 | 185 | return class_null; |
539d5410 | 186 | else |
57898597 | 187 | return class_unknown; |
539d5410 MV |
188 | |
189 | case scm_tc3_cons: | |
190 | switch (SCM_TYP7 (x)) | |
191 | { | |
192 | case scm_tcs_cons_nimcar: | |
57898597 | 193 | return class_pair; |
539d5410 | 194 | case scm_tc7_symbol: |
57898597 | 195 | return class_symbol; |
539d5410 MV |
196 | case scm_tc7_vector: |
197 | case scm_tc7_wvect: | |
57898597 | 198 | return class_vector; |
5b46a8c2 | 199 | case scm_tc7_pointer: |
e2c2a699 | 200 | return class_foreign; |
c99de5aa | 201 | case scm_tc7_hashtable: |
9ea31741 AW |
202 | return class_hashtable; |
203 | case scm_tc7_fluid: | |
204 | return class_fluid; | |
205 | case scm_tc7_dynamic_state: | |
206 | return class_dynamic_state; | |
6f3b0cc2 AW |
207 | case scm_tc7_frame: |
208 | return class_frame; | |
e2fafeb9 | 209 | case scm_tc7_keyword: |
57898597 | 210 | return class_keyword; |
6f3b0cc2 AW |
211 | case scm_tc7_vm_cont: |
212 | return class_vm_cont; | |
f826a886 AW |
213 | case scm_tc7_bytevector: |
214 | if (SCM_BYTEVECTOR_ELEMENT_TYPE (x) == SCM_ARRAY_ELEMENT_TYPE_VU8) | |
215 | return class_bytevector; | |
216 | else | |
217 | return class_uvec; | |
b2637c98 AW |
218 | case scm_tc7_array: |
219 | return class_array; | |
ff1feca9 AW |
220 | case scm_tc7_bitvector: |
221 | return class_bitvector; | |
539d5410 | 222 | case scm_tc7_string: |
57898597 | 223 | return class_string; |
539d5410 MV |
224 | case scm_tc7_number: |
225 | switch SCM_TYP16 (x) { | |
226 | case scm_tc16_big: | |
57898597 | 227 | return class_integer; |
539d5410 | 228 | case scm_tc16_real: |
57898597 | 229 | return class_real; |
539d5410 | 230 | case scm_tc16_complex: |
57898597 | 231 | return class_complex; |
539d5410 | 232 | case scm_tc16_fraction: |
57898597 | 233 | return class_fraction; |
539d5410 | 234 | } |
e0755cd1 | 235 | case scm_tc7_program: |
b2b33168 AW |
236 | if (SCM_PROGRAM_IS_PRIMITIVE_GENERIC (x) |
237 | && SCM_UNPACK (*SCM_SUBR_GENERIC (x))) | |
57898597 | 238 | return class_primitive_generic; |
fd12a19a | 239 | else |
57898597 | 240 | return class_procedure; |
539d5410 MV |
241 | |
242 | case scm_tc7_smob: | |
243 | { | |
244 | scm_t_bits type = SCM_TYP16 (x); | |
245 | if (type != scm_tc16_port_with_ps) | |
57898597 | 246 | return scm_i_smob_class[SCM_TC2SMOBNUM (type)]; |
539d5410 MV |
247 | x = SCM_PORT_WITH_PS_PORT (x); |
248 | /* fall through to ports */ | |
249 | } | |
250 | case scm_tc7_port: | |
57898597 AW |
251 | return scm_i_port_class[(SCM_WRTNG & SCM_CELL_WORD_0 (x) |
252 | ? (SCM_RDNG & SCM_CELL_WORD_0 (x) | |
253 | ? SCM_INOUT_PCLASS_INDEX | SCM_PTOBNUM (x) | |
254 | : SCM_OUT_PCLASS_INDEX | SCM_PTOBNUM (x)) | |
255 | : SCM_IN_PCLASS_INDEX | SCM_PTOBNUM (x))]; | |
539d5410 MV |
256 | case scm_tcs_struct: |
257 | if (SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_GOOPS_VALID) | |
258 | return SCM_CLASS_OF (x); | |
259 | else if (SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_GOOPS) | |
260 | { | |
261 | /* Goops object */ | |
262 | if (! scm_is_false (SCM_OBJ_CLASS_REDEF (x))) | |
263 | scm_change_object_class (x, | |
264 | SCM_CLASS_OF (x), /* old */ | |
265 | SCM_OBJ_CLASS_REDEF (x)); /* new */ | |
266 | return SCM_CLASS_OF (x); | |
267 | } | |
268 | else | |
f3c6a02c | 269 | return scm_i_define_class_for_vtable (SCM_CLASS_OF (x)); |
539d5410 MV |
270 | default: |
271 | if (scm_is_pair (x)) | |
57898597 | 272 | return class_pair; |
539d5410 | 273 | else |
57898597 | 274 | return class_unknown; |
539d5410 MV |
275 | } |
276 | ||
277 | case scm_tc3_struct: | |
278 | case scm_tc3_tc7_1: | |
279 | case scm_tc3_tc7_2: | |
314b8716 | 280 | /* case scm_tc3_unused: */ |
539d5410 MV |
281 | /* Never reached */ |
282 | break; | |
283 | } | |
57898597 | 284 | return class_unknown; |
539d5410 MV |
285 | } |
286 | #undef FUNC_NAME | |
287 | ||
80662eda MD |
288 | /****************************************************************************** |
289 | * | |
290 | * initialize-object | |
291 | * | |
292 | ******************************************************************************/ | |
293 | ||
294 | /*fixme* Manufacture keywords in advance */ | |
295 | SCM | |
c014a02e | 296 | scm_i_get_keyword (SCM key, SCM l, long len, SCM default_value, const char *subr) |
80662eda | 297 | { |
c014a02e | 298 | long i; |
23437298 DH |
299 | |
300 | for (i = 0; i != len; i += 2) | |
80662eda | 301 | { |
23437298 DH |
302 | SCM obj = SCM_CAR (l); |
303 | ||
c598539a | 304 | if (!scm_is_keyword (obj)) |
1afff620 | 305 | scm_misc_error (subr, "bad keyword: ~S", scm_list_1 (obj)); |
bc36d050 | 306 | else if (scm_is_eq (obj, key)) |
80662eda | 307 | return SCM_CADR (l); |
23437298 DH |
308 | else |
309 | l = SCM_CDDR (l); | |
80662eda | 310 | } |
23437298 | 311 | |
80662eda MD |
312 | return default_value; |
313 | } | |
314 | ||
80662eda | 315 | |
23437298 DH |
316 | SCM_DEFINE (scm_get_keyword, "get-keyword", 3, 0, 0, |
317 | (SCM key, SCM l, SCM default_value), | |
5352393c MG |
318 | "Determine an associated value for the keyword @var{key} from\n" |
319 | "the list @var{l}. The list @var{l} has to consist of an even\n" | |
320 | "number of elements, where, starting with the first, every\n" | |
321 | "second element is a keyword, followed by its associated value.\n" | |
322 | "If @var{l} does not hold a value for @var{key}, the value\n" | |
323 | "@var{default_value} is returned.") | |
23437298 | 324 | #define FUNC_NAME s_scm_get_keyword |
80662eda | 325 | { |
c014a02e | 326 | long len; |
23437298 | 327 | |
c598539a | 328 | SCM_ASSERT (scm_is_keyword (key), key, SCM_ARG1, FUNC_NAME); |
80662eda | 329 | len = scm_ilength (l); |
b6311c08 | 330 | if (len < 0 || len % 2 == 1) |
1afff620 | 331 | scm_misc_error (FUNC_NAME, "Bad keyword-value list: ~S", scm_list_1 (l)); |
23437298 DH |
332 | |
333 | return scm_i_get_keyword (key, l, len, default_value, FUNC_NAME); | |
80662eda | 334 | } |
23437298 DH |
335 | #undef FUNC_NAME |
336 | ||
80662eda | 337 | |
80662eda MD |
338 | SCM_KEYWORD (k_init_keyword, "init-keyword"); |
339 | ||
80662eda | 340 | |
398d8ee1 KN |
341 | SCM_DEFINE (scm_sys_initialize_object, "%initialize-object", 2, 0, 0, |
342 | (SCM obj, SCM initargs), | |
6bcefd15 MG |
343 | "Initialize the object @var{obj} with the given arguments\n" |
344 | "@var{initargs}.") | |
398d8ee1 | 345 | #define FUNC_NAME s_scm_sys_initialize_object |
80662eda MD |
346 | { |
347 | SCM tmp, get_n_set, slots; | |
348 | SCM class = SCM_CLASS_OF (obj); | |
c014a02e | 349 | long n_initargs; |
80662eda | 350 | |
398d8ee1 | 351 | SCM_VALIDATE_INSTANCE (1, obj); |
80662eda | 352 | n_initargs = scm_ilength (initargs); |
398d8ee1 | 353 | SCM_ASSERT ((n_initargs & 1) == 0, initargs, SCM_ARG2, FUNC_NAME); |
6d77c894 | 354 | |
80662eda MD |
355 | get_n_set = SCM_SLOT (class, scm_si_getters_n_setters); |
356 | slots = SCM_SLOT (class, scm_si_slots); | |
6d77c894 | 357 | |
80662eda MD |
358 | /* See for each slot how it must be initialized */ |
359 | for (; | |
d2e53ed6 | 360 | !scm_is_null (slots); |
80662eda MD |
361 | get_n_set = SCM_CDR (get_n_set), slots = SCM_CDR (slots)) |
362 | { | |
363 | SCM slot_name = SCM_CAR (slots); | |
48ad85fb | 364 | SCM slot_value = SCM_GOOPS_UNBOUND; |
6d77c894 | 365 | |
d2e53ed6 | 366 | if (!scm_is_null (SCM_CDR (slot_name))) |
80662eda MD |
367 | { |
368 | /* This slot admits (perhaps) to be initialized at creation time */ | |
c014a02e | 369 | long n = scm_ilength (SCM_CDR (slot_name)); |
80662eda | 370 | if (n & 1) /* odd or -1 */ |
398d8ee1 | 371 | SCM_MISC_ERROR ("class contains bogus slot definition: ~S", |
1afff620 | 372 | scm_list_1 (slot_name)); |
80662eda MD |
373 | tmp = scm_i_get_keyword (k_init_keyword, |
374 | SCM_CDR (slot_name), | |
375 | n, | |
b2b33168 | 376 | SCM_PACK (0), |
398d8ee1 | 377 | FUNC_NAME); |
80662eda | 378 | slot_name = SCM_CAR (slot_name); |
b2b33168 | 379 | if (SCM_UNPACK (tmp)) |
80662eda MD |
380 | { |
381 | /* an initarg was provided for this slot */ | |
c598539a | 382 | if (!scm_is_keyword (tmp)) |
398d8ee1 | 383 | SCM_MISC_ERROR ("initarg must be a keyword. It was ~S", |
1afff620 | 384 | scm_list_1 (tmp)); |
80662eda MD |
385 | slot_value = scm_i_get_keyword (tmp, |
386 | initargs, | |
387 | n_initargs, | |
48ad85fb | 388 | SCM_GOOPS_UNBOUND, |
398d8ee1 | 389 | FUNC_NAME); |
80662eda MD |
390 | } |
391 | } | |
392 | ||
48ad85fb | 393 | if (!SCM_GOOPS_UNBOUNDP (slot_value)) |
80662eda | 394 | /* set slot to provided value */ |
ade4cf4c | 395 | scm_slot_set_x (obj, slot_name, slot_value); |
80662eda MD |
396 | else |
397 | { | |
398 | /* set slot to its :init-form if it exists */ | |
399 | tmp = SCM_CADAR (get_n_set); | |
7888309b | 400 | if (scm_is_true (tmp)) |
ade4cf4c | 401 | scm_slot_set_x (obj, slot_name, scm_call_0 (tmp)); |
80662eda MD |
402 | } |
403 | } | |
6d77c894 | 404 | |
80662eda MD |
405 | return obj; |
406 | } | |
398d8ee1 | 407 | #undef FUNC_NAME |
80662eda | 408 | |
51fd1cd6 AW |
409 | SCM_DEFINE (scm_sys_init_layout_x, "%init-layout!", 2, 0, 0, |
410 | (SCM class, SCM layout), | |
398d8ee1 | 411 | "") |
51fd1cd6 | 412 | #define FUNC_NAME s_scm_sys_init_layout_x |
80662eda | 413 | { |
398d8ee1 | 414 | SCM_VALIDATE_INSTANCE (1, class); |
51fd1cd6 AW |
415 | SCM_ASSERT (!scm_is_symbol (SCM_VTABLE_LAYOUT (class)), class, 1, FUNC_NAME); |
416 | SCM_VALIDATE_STRING (2, layout); | |
417 | ||
418 | SCM_SET_VTABLE_LAYOUT (class, scm_make_struct_layout (layout)); | |
80662eda MD |
419 | return SCM_UNSPECIFIED; |
420 | } | |
398d8ee1 | 421 | #undef FUNC_NAME |
80662eda | 422 | |
398d8ee1 KN |
423 | SCM_DEFINE (scm_sys_inherit_magic_x, "%inherit-magic!", 2, 0, 0, |
424 | (SCM class, SCM dsupers), | |
425 | "") | |
426 | #define FUNC_NAME s_scm_sys_inherit_magic_x | |
80662eda | 427 | { |
398d8ee1 | 428 | SCM_VALIDATE_INSTANCE (1, class); |
51f66c91 AW |
429 | scm_i_struct_inherit_vtable_magic (SCM_CLASS_OF (class), class); |
430 | SCM_SET_CLASS_FLAGS (class, SCM_CLASSF_GOOPS_OR_VALID); | |
80662eda | 431 | |
80662eda MD |
432 | return SCM_UNSPECIFIED; |
433 | } | |
398d8ee1 | 434 | #undef FUNC_NAME |
80662eda | 435 | |
80662eda MD |
436 | /******************************************************************************/ |
437 | ||
80662eda | 438 | SCM |
28b818d3 | 439 | scm_make_standard_class (SCM meta, SCM name, SCM dsupers, SCM dslots) |
80662eda | 440 | { |
51fd1cd6 | 441 | return scm_call_4 (scm_variable_ref (var_make_standard_class), |
28b818d3 | 442 | meta, name, dsupers, dslots); |
80662eda MD |
443 | } |
444 | ||
445 | /******************************************************************************/ | |
446 | ||
51fd1cd6 AW |
447 | SCM_DEFINE (scm_sys_make_root_class, "%make-root-class", 3, 0, 0, |
448 | (SCM name, SCM dslots, SCM getters_n_setters), | |
449 | "") | |
450 | #define FUNC_NAME s_scm_sys_make_root_class | |
80662eda | 451 | { |
51fd1cd6 | 452 | SCM cs, z; |
6d77c894 | 453 | |
51fd1cd6 AW |
454 | cs = scm_from_locale_string (SCM_CLASS_CLASS_LAYOUT); |
455 | z = scm_i_make_vtable_vtable (cs); | |
456 | SCM_SET_CLASS_FLAGS (z, (SCM_CLASSF_GOOPS_OR_VALID | |
457 | | SCM_CLASSF_METACLASS)); | |
80662eda | 458 | |
51fd1cd6 AW |
459 | SCM_SET_SLOT (z, scm_vtable_index_name, name); |
460 | SCM_SET_SLOT (z, scm_si_direct_supers, SCM_EOL); /* will be changed */ | |
461 | SCM_SET_SLOT (z, scm_si_direct_slots, dslots); /* will be changed */ | |
462 | SCM_SET_SLOT (z, scm_si_direct_subclasses, SCM_EOL); | |
463 | SCM_SET_SLOT (z, scm_si_direct_methods, SCM_EOL); | |
464 | SCM_SET_SLOT (z, scm_si_cpl, SCM_EOL); /* will be changed */ | |
465 | SCM_SET_SLOT (z, scm_si_slots, dslots); /* will be changed */ | |
466 | SCM_SET_SLOT (z, scm_si_nfields, scm_from_int (SCM_N_CLASS_SLOTS)); | |
467 | SCM_SET_SLOT (z, scm_si_getters_n_setters, getters_n_setters); /* will be changed */ | |
468 | SCM_SET_SLOT (z, scm_si_redefined, SCM_BOOL_F); | |
80662eda | 469 | |
51fd1cd6 | 470 | return z; |
80662eda | 471 | } |
51fd1cd6 | 472 | #undef FUNC_NAME |
80662eda MD |
473 | |
474 | /******************************************************************************/ | |
475 | ||
398d8ee1 KN |
476 | SCM_DEFINE (scm_instance_p, "instance?", 1, 0, 0, |
477 | (SCM obj), | |
6bcefd15 | 478 | "Return @code{#t} if @var{obj} is an instance.") |
398d8ee1 | 479 | #define FUNC_NAME s_scm_instance_p |
80662eda | 480 | { |
7888309b | 481 | return scm_from_bool (SCM_INSTANCEP (obj)); |
80662eda | 482 | } |
398d8ee1 | 483 | #undef FUNC_NAME |
80662eda | 484 | |
70dd6000 AW |
485 | SCM_DEFINE (scm_class_p, "class?", 1, 0, 0, |
486 | (SCM obj), | |
487 | "Return @code{#t} if @var{obj} is a class.") | |
488 | #define FUNC_NAME s_scm_class_p | |
489 | { | |
490 | return scm_from_bool (SCM_CLASSP (obj)); | |
491 | } | |
492 | #undef FUNC_NAME | |
493 | ||
57898597 AW |
494 | int |
495 | scm_is_generic (SCM x) | |
496 | { | |
497 | return SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), class_generic); | |
498 | } | |
499 | ||
500 | int | |
501 | scm_is_method (SCM x) | |
502 | { | |
503 | return SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), class_method); | |
504 | } | |
80662eda MD |
505 | |
506 | /****************************************************************************** | |
6d77c894 | 507 | * |
80662eda MD |
508 | * Meta object accessors |
509 | * | |
510 | ******************************************************************************/ | |
51fd1cd6 AW |
511 | |
512 | SCM_SYMBOL (sym_procedure, "procedure"); | |
70dd6000 AW |
513 | |
514 | SCM | |
515 | scm_class_name (SCM obj) | |
80662eda | 516 | { |
70dd6000 | 517 | return scm_call_1 (scm_variable_ref (var_class_name), obj); |
80662eda MD |
518 | } |
519 | ||
70dd6000 AW |
520 | SCM |
521 | scm_class_direct_supers (SCM obj) | |
80662eda | 522 | { |
70dd6000 | 523 | return scm_call_1 (scm_variable_ref (var_class_direct_supers), obj); |
80662eda MD |
524 | } |
525 | ||
70dd6000 AW |
526 | SCM |
527 | scm_class_direct_slots (SCM obj) | |
80662eda | 528 | { |
70dd6000 | 529 | return scm_call_1 (scm_variable_ref (var_class_direct_slots), obj); |
80662eda MD |
530 | } |
531 | ||
70dd6000 AW |
532 | SCM |
533 | scm_class_direct_subclasses (SCM obj) | |
80662eda | 534 | { |
70dd6000 | 535 | return scm_call_1 (scm_variable_ref (var_class_direct_subclasses), obj); |
80662eda MD |
536 | } |
537 | ||
70dd6000 AW |
538 | SCM |
539 | scm_class_direct_methods (SCM obj) | |
80662eda | 540 | { |
70dd6000 | 541 | return scm_call_1 (scm_variable_ref (var_class_direct_methods), obj); |
80662eda MD |
542 | } |
543 | ||
70dd6000 AW |
544 | SCM |
545 | scm_class_precedence_list (SCM obj) | |
80662eda | 546 | { |
70dd6000 | 547 | return scm_call_1 (scm_variable_ref (var_class_precedence_list), obj); |
80662eda MD |
548 | } |
549 | ||
70dd6000 AW |
550 | SCM |
551 | scm_class_slots (SCM obj) | |
80662eda | 552 | { |
70dd6000 | 553 | return scm_call_1 (scm_variable_ref (var_class_slots), obj); |
80662eda MD |
554 | } |
555 | ||
398d8ee1 | 556 | SCM_DEFINE (scm_generic_function_name, "generic-function-name", 1, 0, 0, |
70dd6000 | 557 | (SCM obj), |
6bcefd15 | 558 | "Return the name of the generic function @var{obj}.") |
398d8ee1 | 559 | #define FUNC_NAME s_scm_generic_function_name |
80662eda | 560 | { |
398d8ee1 | 561 | SCM_VALIDATE_GENERIC (1, obj); |
80662eda MD |
562 | return scm_procedure_property (obj, scm_sym_name); |
563 | } | |
398d8ee1 | 564 | #undef FUNC_NAME |
80662eda | 565 | |
48c981c9 AW |
566 | SCM |
567 | scm_generic_function_methods (SCM obj) | |
80662eda | 568 | { |
48c981c9 | 569 | return scm_call_1 (scm_variable_ref (var_generic_function_methods), obj); |
80662eda MD |
570 | } |
571 | ||
48c981c9 AW |
572 | SCM |
573 | scm_method_generic_function (SCM obj) | |
80662eda | 574 | { |
48c981c9 | 575 | return scm_call_1 (scm_variable_ref (var_method_generic_function), obj); |
80662eda MD |
576 | } |
577 | ||
48c981c9 AW |
578 | SCM |
579 | scm_method_specializers (SCM obj) | |
80662eda | 580 | { |
48c981c9 | 581 | return scm_call_1 (scm_variable_ref (var_method_specializers), obj); |
80662eda MD |
582 | } |
583 | ||
48c981c9 AW |
584 | SCM |
585 | scm_method_procedure (SCM obj) | |
80662eda | 586 | { |
48c981c9 | 587 | return scm_call_1 (scm_variable_ref (var_method_procedure), obj); |
80662eda MD |
588 | } |
589 | ||
80662eda MD |
590 | /****************************************************************************** |
591 | * | |
592 | * S l o t a c c e s s | |
593 | * | |
594 | ******************************************************************************/ | |
595 | ||
398d8ee1 KN |
596 | SCM_DEFINE (scm_make_unbound, "make-unbound", 0, 0, 0, |
597 | (), | |
6bcefd15 | 598 | "Return the unbound value.") |
398d8ee1 | 599 | #define FUNC_NAME s_scm_make_unbound |
80662eda MD |
600 | { |
601 | return SCM_GOOPS_UNBOUND; | |
602 | } | |
398d8ee1 | 603 | #undef FUNC_NAME |
80662eda | 604 | |
398d8ee1 KN |
605 | SCM_DEFINE (scm_unbound_p, "unbound?", 1, 0, 0, |
606 | (SCM obj), | |
6bcefd15 | 607 | "Return @code{#t} if @var{obj} is unbound.") |
398d8ee1 | 608 | #define FUNC_NAME s_scm_unbound_p |
80662eda MD |
609 | { |
610 | return SCM_GOOPS_UNBOUNDP (obj) ? SCM_BOOL_T : SCM_BOOL_F; | |
611 | } | |
398d8ee1 | 612 | #undef FUNC_NAME |
80662eda | 613 | |
80662eda | 614 | |
4d0949ea | 615 | \f |
80662eda | 616 | |
ade4cf4c AW |
617 | SCM |
618 | scm_slot_ref_using_class (SCM class, SCM obj, SCM slot_name) | |
80662eda | 619 | { |
ade4cf4c AW |
620 | return scm_call_3 (scm_variable_ref (var_slot_ref_using_class), |
621 | class, obj, slot_name); | |
80662eda | 622 | } |
80662eda | 623 | |
ade4cf4c AW |
624 | SCM |
625 | scm_slot_set_using_class_x (SCM class, SCM obj, SCM slot_name, SCM value) | |
80662eda | 626 | { |
ade4cf4c AW |
627 | return scm_call_4 (scm_variable_ref (var_slot_set_using_class_x), |
628 | class, obj, slot_name, value); | |
80662eda | 629 | } |
23437298 | 630 | |
ade4cf4c AW |
631 | SCM |
632 | scm_slot_bound_using_class_p (SCM class, SCM obj, SCM slot_name) | |
80662eda | 633 | { |
ade4cf4c AW |
634 | return scm_call_3 (scm_variable_ref (var_slot_bound_using_class_p), |
635 | class, obj, slot_name); | |
80662eda MD |
636 | } |
637 | ||
ade4cf4c AW |
638 | SCM |
639 | scm_slot_exists_using_class_p (SCM class, SCM obj, SCM slot_name) | |
398d8ee1 | 640 | { |
ade4cf4c AW |
641 | return scm_call_3 (scm_variable_ref (var_slot_exists_using_class_p), |
642 | class, obj, slot_name); | |
80662eda | 643 | } |
80662eda | 644 | |
ade4cf4c AW |
645 | SCM |
646 | scm_slot_ref (SCM obj, SCM slot_name) | |
80662eda | 647 | { |
ade4cf4c | 648 | return scm_call_2 (scm_variable_ref (var_slot_ref), obj, slot_name); |
80662eda MD |
649 | } |
650 | ||
ade4cf4c AW |
651 | SCM |
652 | scm_slot_set_x (SCM obj, SCM slot_name, SCM value) | |
80662eda | 653 | { |
ade4cf4c | 654 | return scm_call_3 (scm_variable_ref (var_slot_set_x), obj, slot_name, value); |
80662eda MD |
655 | } |
656 | ||
ade4cf4c AW |
657 | SCM |
658 | scm_slot_bound_p (SCM obj, SCM slot_name) | |
80662eda | 659 | { |
ade4cf4c | 660 | return scm_call_2 (scm_variable_ref (var_slot_bound_p), obj, slot_name); |
80662eda MD |
661 | } |
662 | ||
ade4cf4c AW |
663 | SCM |
664 | scm_slot_exists_p (SCM obj, SCM slot_name) | |
80662eda | 665 | { |
ade4cf4c | 666 | return scm_call_2 (scm_variable_ref (var_slot_exists_p), obj, slot_name); |
80662eda MD |
667 | } |
668 | ||
669 | ||
670 | /****************************************************************************** | |
671 | * | |
672 | * %allocate-instance (the low level instance allocation primitive) | |
673 | * | |
674 | ******************************************************************************/ | |
675 | ||
398d8ee1 KN |
676 | SCM_DEFINE (scm_sys_allocate_instance, "%allocate-instance", 2, 0, 0, |
677 | (SCM class, SCM initargs), | |
6bcefd15 MG |
678 | "Create a new instance of class @var{class} and initialize it\n" |
679 | "from the arguments @var{initargs}.") | |
398d8ee1 | 680 | #define FUNC_NAME s_scm_sys_allocate_instance |
80662eda | 681 | { |
b6cf4d02 | 682 | SCM obj; |
e25f3727 | 683 | scm_t_signed_bits n, i; |
b6cf4d02 | 684 | SCM layout; |
80662eda | 685 | |
398d8ee1 | 686 | SCM_VALIDATE_CLASS (1, class); |
80662eda | 687 | |
b6cf4d02 | 688 | /* FIXME: duplicates some of scm_make_struct. */ |
80662eda | 689 | |
e11e83f3 | 690 | n = SCM_I_INUM (SCM_SLOT (class, scm_si_nfields)); |
96a44c1c | 691 | obj = scm_i_alloc_struct (SCM_STRUCT_DATA (class), n); |
6d77c894 | 692 | |
b6cf4d02 AW |
693 | layout = SCM_VTABLE_LAYOUT (class); |
694 | ||
695 | /* Set all SCM-holding slots to unbound */ | |
696 | for (i = 0; i < n; i++) | |
71fc6438 AW |
697 | { |
698 | scm_t_wchar c = scm_i_symbol_ref (layout, i*2); | |
b6cf4d02 AW |
699 | if (c == 'p') |
700 | SCM_STRUCT_DATA (obj)[i] = SCM_UNPACK (SCM_GOOPS_UNBOUND); | |
701 | else if (c == 's') | |
702 | SCM_STRUCT_DATA (obj)[i] = SCM_UNPACK (obj); | |
703 | else | |
704 | SCM_STRUCT_DATA (obj)[i] = 0; | |
80662eda | 705 | } |
6d77c894 | 706 | |
b6cf4d02 | 707 | return obj; |
80662eda | 708 | } |
398d8ee1 | 709 | #undef FUNC_NAME |
80662eda | 710 | |
80662eda MD |
711 | /****************************************************************************** |
712 | * | |
713 | * %modify-instance (used by change-class to modify in place) | |
6d77c894 | 714 | * |
80662eda MD |
715 | ******************************************************************************/ |
716 | ||
398d8ee1 KN |
717 | SCM_DEFINE (scm_sys_modify_instance, "%modify-instance", 2, 0, 0, |
718 | (SCM old, SCM new), | |
719 | "") | |
720 | #define FUNC_NAME s_scm_sys_modify_instance | |
80662eda | 721 | { |
398d8ee1 KN |
722 | SCM_VALIDATE_INSTANCE (1, old); |
723 | SCM_VALIDATE_INSTANCE (2, new); | |
80662eda | 724 | |
6d77c894 | 725 | /* Exchange the data contained in old and new. We exchange rather than |
80662eda MD |
726 | * scratch the old value with new to be correct with GC. |
727 | * See "Class redefinition protocol above". | |
728 | */ | |
9de87eea | 729 | SCM_CRITICAL_SECTION_START; |
80662eda | 730 | { |
32b12f40 KR |
731 | scm_t_bits word0, word1; |
732 | word0 = SCM_CELL_WORD_0 (old); | |
733 | word1 = SCM_CELL_WORD_1 (old); | |
734 | SCM_SET_CELL_WORD_0 (old, SCM_CELL_WORD_0 (new)); | |
735 | SCM_SET_CELL_WORD_1 (old, SCM_CELL_WORD_1 (new)); | |
736 | SCM_SET_CELL_WORD_0 (new, word0); | |
737 | SCM_SET_CELL_WORD_1 (new, word1); | |
80662eda | 738 | } |
9de87eea | 739 | SCM_CRITICAL_SECTION_END; |
80662eda MD |
740 | return SCM_UNSPECIFIED; |
741 | } | |
398d8ee1 | 742 | #undef FUNC_NAME |
80662eda | 743 | |
398d8ee1 KN |
744 | SCM_DEFINE (scm_sys_modify_class, "%modify-class", 2, 0, 0, |
745 | (SCM old, SCM new), | |
746 | "") | |
747 | #define FUNC_NAME s_scm_sys_modify_class | |
80662eda | 748 | { |
398d8ee1 KN |
749 | SCM_VALIDATE_CLASS (1, old); |
750 | SCM_VALIDATE_CLASS (2, new); | |
80662eda | 751 | |
9de87eea | 752 | SCM_CRITICAL_SECTION_START; |
80662eda | 753 | { |
32b12f40 KR |
754 | scm_t_bits word0, word1; |
755 | word0 = SCM_CELL_WORD_0 (old); | |
756 | word1 = SCM_CELL_WORD_1 (old); | |
757 | SCM_SET_CELL_WORD_0 (old, SCM_CELL_WORD_0 (new)); | |
758 | SCM_SET_CELL_WORD_1 (old, SCM_CELL_WORD_1 (new)); | |
b6cf4d02 | 759 | SCM_STRUCT_DATA (old)[scm_vtable_index_self] = SCM_UNPACK (old); |
32b12f40 KR |
760 | SCM_SET_CELL_WORD_0 (new, word0); |
761 | SCM_SET_CELL_WORD_1 (new, word1); | |
b6cf4d02 | 762 | SCM_STRUCT_DATA (new)[scm_vtable_index_self] = SCM_UNPACK (new); |
80662eda | 763 | } |
9de87eea | 764 | SCM_CRITICAL_SECTION_END; |
80662eda MD |
765 | return SCM_UNSPECIFIED; |
766 | } | |
398d8ee1 | 767 | #undef FUNC_NAME |
80662eda | 768 | |
398d8ee1 KN |
769 | SCM_DEFINE (scm_sys_invalidate_class, "%invalidate-class", 1, 0, 0, |
770 | (SCM class), | |
771 | "") | |
772 | #define FUNC_NAME s_scm_sys_invalidate_class | |
80662eda | 773 | { |
398d8ee1 | 774 | SCM_VALIDATE_CLASS (1, class); |
80662eda MD |
775 | SCM_CLEAR_CLASS_FLAGS (class, SCM_CLASSF_GOOPS_VALID); |
776 | return SCM_UNSPECIFIED; | |
777 | } | |
398d8ee1 | 778 | #undef FUNC_NAME |
80662eda MD |
779 | |
780 | /* When instances change class, they finally get a new body, but | |
781 | * before that, they go through purgatory in hell. Odd as it may | |
782 | * seem, this data structure saves us from eternal suffering in | |
783 | * infinite recursions. | |
784 | */ | |
785 | ||
92c2555f | 786 | static scm_t_bits **hell; |
c014a02e ML |
787 | static long n_hell = 1; /* one place for the evil one himself */ |
788 | static long hell_size = 4; | |
2132f0d2 | 789 | static SCM hell_mutex; |
80662eda | 790 | |
c014a02e | 791 | static long |
80662eda MD |
792 | burnin (SCM o) |
793 | { | |
c014a02e | 794 | long i; |
80662eda | 795 | for (i = 1; i < n_hell; ++i) |
6b80d352 | 796 | if (SCM_STRUCT_DATA (o) == hell[i]) |
80662eda MD |
797 | return i; |
798 | return 0; | |
799 | } | |
800 | ||
801 | static void | |
802 | go_to_hell (void *o) | |
803 | { | |
b5df9cda | 804 | SCM obj = *(SCM*)o; |
2132f0d2 | 805 | scm_lock_mutex (hell_mutex); |
51ef99f7 | 806 | if (n_hell >= hell_size) |
80662eda | 807 | { |
51ef99f7 | 808 | hell_size *= 2; |
408bcd99 | 809 | hell = scm_realloc (hell, hell_size * sizeof(*hell)); |
80662eda | 810 | } |
6b80d352 | 811 | hell[n_hell++] = SCM_STRUCT_DATA (obj); |
2132f0d2 | 812 | scm_unlock_mutex (hell_mutex); |
80662eda MD |
813 | } |
814 | ||
815 | static void | |
816 | go_to_heaven (void *o) | |
817 | { | |
b5df9cda | 818 | SCM obj = *(SCM*)o; |
2132f0d2 | 819 | scm_lock_mutex (hell_mutex); |
b5df9cda | 820 | hell[burnin (obj)] = hell[--n_hell]; |
2132f0d2 | 821 | scm_unlock_mutex (hell_mutex); |
80662eda MD |
822 | } |
823 | ||
6b80d352 DH |
824 | |
825 | SCM_SYMBOL (scm_sym_change_class, "change-class"); | |
826 | ||
80662eda | 827 | static SCM |
b5df9cda | 828 | purgatory (SCM obj, SCM new_class) |
80662eda | 829 | { |
b5df9cda | 830 | return scm_call_2 (SCM_VARIABLE_REF (var_change_class), obj, new_class); |
80662eda MD |
831 | } |
832 | ||
38d8927c MD |
833 | /* This function calls the generic function change-class for all |
834 | * instances which aren't currently undergoing class change. | |
835 | */ | |
836 | ||
80662eda | 837 | void |
e81d98ec | 838 | scm_change_object_class (SCM obj, SCM old_class SCM_UNUSED, SCM new_class) |
80662eda MD |
839 | { |
840 | if (!burnin (obj)) | |
b5df9cda AW |
841 | { |
842 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); | |
843 | scm_dynwind_rewind_handler (go_to_hell, &obj, SCM_F_WIND_EXPLICITLY); | |
844 | scm_dynwind_unwind_handler (go_to_heaven, &obj, SCM_F_WIND_EXPLICITLY); | |
845 | purgatory (obj, new_class); | |
846 | scm_dynwind_end (); | |
847 | } | |
80662eda MD |
848 | } |
849 | ||
850 | /****************************************************************************** | |
851 | * | |
6d77c894 TTN |
852 | * GGGG FFFFF |
853 | * G F | |
854 | * G GG FFF | |
855 | * G G F | |
80662eda MD |
856 | * GGG E N E R I C F U N C T I O N S |
857 | * | |
858 | * This implementation provides | |
859 | * - generic functions (with class specializers) | |
860 | * - multi-methods | |
6d77c894 | 861 | * - next-method |
80662eda MD |
862 | * - a hard-coded MOP for standard gf, which can be overloaded for non-std gf |
863 | * | |
864 | ******************************************************************************/ | |
865 | ||
866 | SCM_KEYWORD (k_name, "name"); | |
63c1872f | 867 | SCM_GLOBAL_SYMBOL (scm_sym_args, "args"); |
80662eda | 868 | |
398d8ee1 KN |
869 | SCM_DEFINE (scm_generic_capability_p, "generic-capability?", 1, 0, 0, |
870 | (SCM proc), | |
871 | "") | |
872 | #define FUNC_NAME s_scm_generic_capability_p | |
80662eda | 873 | { |
7888309b | 874 | SCM_ASSERT (scm_is_true (scm_procedure_p (proc)), |
398d8ee1 | 875 | proc, SCM_ARG1, FUNC_NAME); |
9fdf9fd3 | 876 | return (SCM_PRIMITIVE_GENERIC_P (proc) ? SCM_BOOL_T : SCM_BOOL_F); |
80662eda | 877 | } |
398d8ee1 | 878 | #undef FUNC_NAME |
80662eda | 879 | |
398d8ee1 KN |
880 | SCM_DEFINE (scm_enable_primitive_generic_x, "enable-primitive-generic!", 0, 0, 1, |
881 | (SCM subrs), | |
882 | "") | |
883 | #define FUNC_NAME s_scm_enable_primitive_generic_x | |
80662eda | 884 | { |
6b80d352 | 885 | SCM_VALIDATE_REST_ARGUMENT (subrs); |
d2e53ed6 | 886 | while (!scm_is_null (subrs)) |
80662eda MD |
887 | { |
888 | SCM subr = SCM_CAR (subrs); | |
9fdf9fd3 | 889 | SCM_ASSERT (SCM_PRIMITIVE_GENERIC_P (subr), subr, SCM_ARGn, FUNC_NAME); |
52fd9639 | 890 | SCM_SET_SUBR_GENERIC (subr, |
57898597 | 891 | scm_make (scm_list_3 (class_generic, |
52fd9639 AW |
892 | k_name, |
893 | SCM_SUBR_NAME (subr)))); | |
80662eda MD |
894 | subrs = SCM_CDR (subrs); |
895 | } | |
896 | return SCM_UNSPECIFIED; | |
897 | } | |
398d8ee1 | 898 | #undef FUNC_NAME |
80662eda | 899 | |
9f63ce02 AW |
900 | SCM_DEFINE (scm_set_primitive_generic_x, "set-primitive-generic!", 2, 0, 0, |
901 | (SCM subr, SCM generic), | |
902 | "") | |
903 | #define FUNC_NAME s_scm_set_primitive_generic_x | |
904 | { | |
9fdf9fd3 | 905 | SCM_ASSERT (SCM_PRIMITIVE_GENERIC_P (subr), subr, SCM_ARG1, FUNC_NAME); |
2b7692bc | 906 | SCM_ASSERT (SCM_GENERICP (generic), generic, SCM_ARG2, FUNC_NAME); |
52fd9639 | 907 | SCM_SET_SUBR_GENERIC (subr, generic); |
9f63ce02 AW |
908 | return SCM_UNSPECIFIED; |
909 | } | |
910 | #undef FUNC_NAME | |
911 | ||
398d8ee1 KN |
912 | SCM_DEFINE (scm_primitive_generic_generic, "primitive-generic-generic", 1, 0, 0, |
913 | (SCM subr), | |
914 | "") | |
915 | #define FUNC_NAME s_scm_primitive_generic_generic | |
80662eda | 916 | { |
9fdf9fd3 | 917 | if (SCM_PRIMITIVE_GENERIC_P (subr)) |
80662eda | 918 | { |
b2b33168 | 919 | if (!SCM_UNPACK (*SCM_SUBR_GENERIC (subr))) |
a48d60b1 MD |
920 | scm_enable_primitive_generic_x (scm_list_1 (subr)); |
921 | return *SCM_SUBR_GENERIC (subr); | |
80662eda | 922 | } |
db4b4ca6 | 923 | SCM_WRONG_TYPE_ARG (SCM_ARG1, subr); |
80662eda | 924 | } |
398d8ee1 | 925 | #undef FUNC_NAME |
80662eda | 926 | |
a48d60b1 MD |
927 | typedef struct t_extension { |
928 | struct t_extension *next; | |
929 | SCM extended; | |
930 | SCM extension; | |
931 | } t_extension; | |
932 | ||
d0cad249 LC |
933 | |
934 | /* Hint for `scm_gc_malloc ()' et al. when allocating `t_extension' | |
935 | objects. */ | |
936 | static const char extension_gc_hint[] = "GOOPS extension"; | |
937 | ||
a48d60b1 MD |
938 | static t_extension *extensions = 0; |
939 | ||
a48d60b1 MD |
940 | void |
941 | scm_c_extend_primitive_generic (SCM extended, SCM extension) | |
942 | { | |
943 | if (goops_loaded_p) | |
944 | { | |
945 | SCM gf, gext; | |
b2b33168 | 946 | if (!SCM_UNPACK (*SCM_SUBR_GENERIC (extended))) |
a48d60b1 MD |
947 | scm_enable_primitive_generic_x (scm_list_1 (extended)); |
948 | gf = *SCM_SUBR_GENERIC (extended); | |
949 | gext = scm_call_2 (SCM_VARIABLE_REF (scm_var_make_extended_generic), | |
950 | gf, | |
ce471ab8 | 951 | SCM_SUBR_NAME (extension)); |
feccd2d3 | 952 | SCM_SET_SUBR_GENERIC (extension, gext); |
a48d60b1 MD |
953 | } |
954 | else | |
955 | { | |
d0cad249 LC |
956 | t_extension *e = scm_gc_malloc (sizeof (t_extension), |
957 | extension_gc_hint); | |
a48d60b1 MD |
958 | t_extension **loc = &extensions; |
959 | /* Make sure that extensions are placed before their own | |
960 | * extensions in the extensions list. O(N^2) algorithm, but | |
961 | * extensions of primitive generics are rare. | |
962 | */ | |
d223c3fc | 963 | while (*loc && !scm_is_eq (extension, (*loc)->extended)) |
a48d60b1 MD |
964 | loc = &(*loc)->next; |
965 | e->next = *loc; | |
966 | e->extended = extended; | |
967 | e->extension = extension; | |
968 | *loc = e; | |
969 | } | |
970 | } | |
971 | ||
972 | static void | |
973 | setup_extended_primitive_generics () | |
974 | { | |
975 | while (extensions) | |
976 | { | |
977 | t_extension *e = extensions; | |
978 | scm_c_extend_primitive_generic (e->extended, e->extension); | |
979 | extensions = e->next; | |
a48d60b1 MD |
980 | } |
981 | } | |
982 | ||
fa075d40 AW |
983 | /* Dirk:FIXME:: In all of these scm_wta_dispatch_* routines it is |
984 | * assumed that 'gf' is zero if uninitialized. It would be cleaner if | |
985 | * some valid SCM value like SCM_BOOL_F or SCM_UNDEFINED were chosen. | |
986 | */ | |
987 | ||
988 | SCM | |
989 | scm_wta_dispatch_0 (SCM gf, const char *subr) | |
990 | { | |
991 | if (!SCM_UNPACK (gf)) | |
992 | scm_error_num_args_subr (subr); | |
993 | ||
994 | return scm_call_0 (gf); | |
995 | } | |
996 | ||
997 | SCM | |
998 | scm_wta_dispatch_1 (SCM gf, SCM a1, int pos, const char *subr) | |
999 | { | |
1000 | if (!SCM_UNPACK (gf)) | |
1001 | scm_wrong_type_arg (subr, pos, a1); | |
1002 | ||
1003 | return scm_call_1 (gf, a1); | |
1004 | } | |
1005 | ||
1006 | SCM | |
1007 | scm_wta_dispatch_2 (SCM gf, SCM a1, SCM a2, int pos, const char *subr) | |
1008 | { | |
1009 | if (!SCM_UNPACK (gf)) | |
1010 | scm_wrong_type_arg (subr, pos, (pos == SCM_ARG1) ? a1 : a2); | |
1011 | ||
1012 | return scm_call_2 (gf, a1, a2); | |
1013 | } | |
1014 | ||
1015 | SCM | |
1016 | scm_wta_dispatch_n (SCM gf, SCM args, int pos, const char *subr) | |
1017 | { | |
1018 | if (!SCM_UNPACK (gf)) | |
1019 | scm_wrong_type_arg (subr, pos, scm_list_ref (args, scm_from_int (pos))); | |
1020 | ||
1021 | return scm_apply_0 (gf, args); | |
1022 | } | |
1023 | ||
80662eda | 1024 | /****************************************************************************** |
6d77c894 | 1025 | * |
80662eda | 1026 | * Protocol for calling a generic fumction |
6d77c894 | 1027 | * This protocol is roughly equivalent to (parameter are a little bit different |
80662eda MD |
1028 | * for efficiency reasons): |
1029 | * | |
1030 | * + apply-generic (gf args) | |
1031 | * + compute-applicable-methods (gf args ...) | |
1032 | * + sort-applicable-methods (methods args) | |
1033 | * + apply-methods (gf methods args) | |
6d77c894 TTN |
1034 | * |
1035 | * apply-methods calls make-next-method to build the "continuation" of a a | |
80662eda MD |
1036 | * method. Applying a next-method will call apply-next-method which in |
1037 | * turn will call apply again to call effectively the following method. | |
1038 | * | |
1039 | ******************************************************************************/ | |
1040 | ||
398d8ee1 KN |
1041 | SCM_DEFINE (scm_make, "make", 0, 0, 1, |
1042 | (SCM args), | |
27c37006 | 1043 | "Make a new object. @var{args} must contain the class and\n" |
6bcefd15 | 1044 | "all necessary initialization information.") |
398d8ee1 | 1045 | #define FUNC_NAME s_scm_make |
80662eda | 1046 | { |
e0590e7c | 1047 | return scm_apply_0 (scm_variable_ref (var_make), args); |
80662eda | 1048 | } |
398d8ee1 | 1049 | #undef FUNC_NAME |
80662eda | 1050 | |
80662eda | 1051 | |
80662eda MD |
1052 | /********************************************************************** |
1053 | * | |
1054 | * Smob classes | |
1055 | * | |
1056 | **********************************************************************/ | |
1057 | ||
1058 | static SCM | |
2e0b6934 | 1059 | make_class_name (const char *prefix, const char *type_name, const char *suffix) |
80662eda | 1060 | { |
2e0b6934 AW |
1061 | if (!type_name) |
1062 | type_name = ""; | |
1063 | return scm_string_to_symbol (scm_string_append | |
1064 | (scm_list_3 (scm_from_utf8_string (prefix), | |
1065 | scm_from_utf8_string (type_name), | |
1066 | scm_from_utf8_string (suffix)))); | |
80662eda MD |
1067 | } |
1068 | ||
1069 | SCM | |
da0e6c2b | 1070 | scm_make_extended_class (char const *type_name, int applicablep) |
80662eda | 1071 | { |
2e0b6934 AW |
1072 | SCM name, meta, supers; |
1073 | ||
1074 | name = make_class_name ("<", type_name, ">"); | |
1075 | meta = class_class; | |
1076 | ||
1077 | if (applicablep) | |
1078 | supers = scm_list_1 (class_applicable); | |
1079 | else | |
1080 | supers = scm_list_1 (class_top); | |
1081 | ||
1082 | return scm_make_standard_class (meta, name, supers, SCM_EOL); | |
74b6d6e4 MD |
1083 | } |
1084 | ||
1085 | void | |
1086 | scm_i_inherit_applicable (SCM c) | |
1087 | { | |
57898597 | 1088 | if (!SCM_SUBCLASSP (c, class_applicable)) |
74b6d6e4 MD |
1089 | { |
1090 | SCM dsupers = SCM_SLOT (c, scm_si_direct_supers); | |
1091 | SCM cpl = SCM_SLOT (c, scm_si_cpl); | |
57898597 AW |
1092 | /* patch class_applicable into direct-supers */ |
1093 | SCM top = scm_c_memq (class_top, dsupers); | |
7888309b | 1094 | if (scm_is_false (top)) |
74b6d6e4 | 1095 | dsupers = scm_append (scm_list_2 (dsupers, |
57898597 | 1096 | scm_list_1 (class_applicable))); |
74b6d6e4 MD |
1097 | else |
1098 | { | |
57898597 AW |
1099 | SCM_SETCAR (top, class_applicable); |
1100 | SCM_SETCDR (top, scm_cons (class_top, SCM_CDR (top))); | |
74b6d6e4 MD |
1101 | } |
1102 | SCM_SET_SLOT (c, scm_si_direct_supers, dsupers); | |
57898597 AW |
1103 | /* patch class_applicable into cpl */ |
1104 | top = scm_c_memq (class_top, cpl); | |
7888309b | 1105 | if (scm_is_false (top)) |
74b6d6e4 MD |
1106 | abort (); |
1107 | else | |
1108 | { | |
57898597 AW |
1109 | SCM_SETCAR (top, class_applicable); |
1110 | SCM_SETCDR (top, scm_cons (class_top, SCM_CDR (top))); | |
74b6d6e4 | 1111 | } |
57898597 AW |
1112 | /* add class to direct-subclasses of class_applicable */ |
1113 | SCM_SET_SLOT (class_applicable, | |
74b6d6e4 | 1114 | scm_si_direct_subclasses, |
57898597 | 1115 | scm_cons (c, SCM_SLOT (class_applicable, |
74b6d6e4 MD |
1116 | scm_si_direct_subclasses))); |
1117 | } | |
80662eda MD |
1118 | } |
1119 | ||
1120 | static void | |
1121 | create_smob_classes (void) | |
1122 | { | |
c014a02e | 1123 | long i; |
80662eda | 1124 | |
c891a40e | 1125 | for (i = 0; i < SCM_I_MAX_SMOB_TYPE_COUNT; ++i) |
57898597 | 1126 | scm_i_smob_class[i] = SCM_BOOL_F; |
80662eda | 1127 | |
80662eda | 1128 | for (i = 0; i < scm_numsmob; ++i) |
57898597 AW |
1129 | if (scm_is_false (scm_i_smob_class[i])) |
1130 | scm_i_smob_class[i] = scm_make_extended_class (SCM_SMOBNAME (i), | |
1131 | scm_smobs[i].apply != 0); | |
80662eda MD |
1132 | } |
1133 | ||
1134 | void | |
c014a02e | 1135 | scm_make_port_classes (long ptobnum, char *type_name) |
80662eda | 1136 | { |
2e0b6934 AW |
1137 | SCM name, meta, super, supers; |
1138 | ||
1139 | meta = class_class; | |
1140 | ||
1141 | name = make_class_name ("<", type_name, "-port>"); | |
1142 | supers = scm_list_1 (class_port); | |
1143 | super = scm_make_standard_class (meta, name, supers, SCM_EOL); | |
1144 | ||
1145 | name = make_class_name ("<", type_name, "-input-port>"); | |
1146 | supers = scm_list_2 (super, class_input_port); | |
57898597 | 1147 | scm_i_port_class[SCM_IN_PCLASS_INDEX + ptobnum] |
2e0b6934 AW |
1148 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
1149 | ||
1150 | name = make_class_name ("<", type_name, "-output-port>"); | |
1151 | supers = scm_list_2 (super, class_output_port); | |
57898597 | 1152 | scm_i_port_class[SCM_OUT_PCLASS_INDEX + ptobnum] |
2e0b6934 AW |
1153 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
1154 | ||
1155 | name = make_class_name ("<", type_name, "-input-output-port>"); | |
1156 | supers = scm_list_2 (super, class_input_output_port); | |
57898597 | 1157 | scm_i_port_class[SCM_INOUT_PCLASS_INDEX + ptobnum] |
2e0b6934 | 1158 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
80662eda MD |
1159 | } |
1160 | ||
1161 | static void | |
1162 | create_port_classes (void) | |
1163 | { | |
c014a02e | 1164 | long i; |
80662eda | 1165 | |
62bd5d66 | 1166 | for (i = scm_c_num_port_types () - 1; i >= 0; i--) |
80662eda MD |
1167 | scm_make_port_classes (i, SCM_PTOBNAME (i)); |
1168 | } | |
1169 | ||
6c7dd9eb AW |
1170 | SCM |
1171 | scm_i_define_class_for_vtable (SCM vtable) | |
1172 | { | |
1173 | SCM class; | |
1174 | ||
1175 | scm_i_pthread_mutex_lock (&scm_i_misc_mutex); | |
1176 | if (scm_is_false (vtable_class_map)) | |
1177 | vtable_class_map = scm_c_make_weak_table (0, SCM_WEAK_TABLE_KIND_KEY); | |
1178 | scm_i_pthread_mutex_unlock (&scm_i_misc_mutex); | |
1179 | ||
1180 | if (scm_is_false (scm_struct_vtable_p (vtable))) | |
1181 | abort (); | |
1182 | ||
1183 | class = scm_weak_table_refq (vtable_class_map, vtable, SCM_BOOL_F); | |
1184 | ||
1185 | if (scm_is_false (class)) | |
1186 | { | |
57898597 | 1187 | if (SCM_UNPACK (class_class)) |
6c7dd9eb AW |
1188 | { |
1189 | SCM name, meta, supers; | |
1190 | ||
1191 | name = SCM_VTABLE_NAME (vtable); | |
1192 | if (scm_is_symbol (name)) | |
1193 | name = scm_string_to_symbol | |
1194 | (scm_string_append | |
1195 | (scm_list_3 (scm_from_latin1_string ("<"), | |
1196 | scm_symbol_to_string (name), | |
1197 | scm_from_latin1_string (">")))); | |
1198 | else | |
1199 | name = scm_from_latin1_symbol ("<>"); | |
1200 | ||
1201 | if (SCM_STRUCT_VTABLE_FLAG_IS_SET (vtable, SCM_VTABLE_FLAG_SETTER)) | |
1202 | { | |
57898597 AW |
1203 | meta = class_applicable_struct_with_setter_class; |
1204 | supers = scm_list_1 (class_applicable_struct_with_setter); | |
6c7dd9eb AW |
1205 | } |
1206 | else if (SCM_STRUCT_VTABLE_FLAG_IS_SET (vtable, | |
1207 | SCM_VTABLE_FLAG_APPLICABLE)) | |
1208 | { | |
57898597 AW |
1209 | meta = class_applicable_struct_class; |
1210 | supers = scm_list_1 (class_applicable_struct); | |
6c7dd9eb AW |
1211 | } |
1212 | else | |
1213 | { | |
57898597 AW |
1214 | meta = class_class; |
1215 | supers = scm_list_1 (class_top); | |
6c7dd9eb AW |
1216 | } |
1217 | ||
1218 | return scm_make_standard_class (meta, name, supers, SCM_EOL); | |
1219 | } | |
1220 | else | |
1221 | /* `create_struct_classes' will fill this in later. */ | |
1222 | class = SCM_BOOL_F; | |
1223 | ||
1224 | /* Don't worry about races. This only happens when creating a | |
1225 | vtable, which happens by definition in one thread. */ | |
1226 | scm_weak_table_putq_x (vtable_class_map, vtable, class); | |
1227 | } | |
1228 | ||
1229 | return class; | |
1230 | } | |
1231 | ||
80662eda | 1232 | static SCM |
74b6d6e4 MD |
1233 | make_struct_class (void *closure SCM_UNUSED, |
1234 | SCM vtable, SCM data, SCM prev SCM_UNUSED) | |
80662eda | 1235 | { |
f3c6a02c AW |
1236 | if (scm_is_false (data)) |
1237 | scm_i_define_class_for_vtable (vtable); | |
80662eda MD |
1238 | return SCM_UNSPECIFIED; |
1239 | } | |
1240 | ||
1241 | static void | |
1242 | create_struct_classes (void) | |
1243 | { | |
ea742d29 | 1244 | /* FIXME: take the vtable_class_map while initializing goops? */ |
f3c6a02c AW |
1245 | scm_internal_hash_fold (make_struct_class, 0, SCM_BOOL_F, |
1246 | vtable_class_map); | |
80662eda MD |
1247 | } |
1248 | ||
1249 | /********************************************************************** | |
1250 | * | |
1251 | * C interface | |
1252 | * | |
1253 | **********************************************************************/ | |
1254 | ||
1255 | void | |
1256 | scm_load_goops () | |
1257 | { | |
1258 | if (!goops_loaded_p) | |
abd28220 | 1259 | scm_c_resolve_module ("oop goops"); |
80662eda MD |
1260 | } |
1261 | ||
e11208ca | 1262 | |
e0590e7c AW |
1263 | SCM_KEYWORD (k_setter, "setter"); |
1264 | ||
80662eda MD |
1265 | SCM |
1266 | scm_ensure_accessor (SCM name) | |
1267 | { | |
3f48638c AW |
1268 | SCM var, gf; |
1269 | ||
1270 | var = scm_module_variable (scm_current_module (), name); | |
1271 | if (SCM_VARIABLEP (var) && !SCM_UNBNDP (SCM_VARIABLE_REF (var))) | |
1272 | gf = SCM_VARIABLE_REF (var); | |
1273 | else | |
1274 | gf = SCM_BOOL_F; | |
1275 | ||
57898597 | 1276 | if (!SCM_IS_A_P (gf, class_accessor)) |
80662eda | 1277 | { |
57898597 AW |
1278 | gf = scm_make (scm_list_3 (class_generic, k_name, name)); |
1279 | gf = scm_make (scm_list_5 (class_accessor, | |
1afff620 | 1280 | k_name, name, k_setter, gf)); |
80662eda | 1281 | } |
3f48638c | 1282 | |
80662eda MD |
1283 | return gf; |
1284 | } | |
1285 | ||
80662eda MD |
1286 | /* |
1287 | * Initialization | |
1288 | */ | |
1289 | ||
6c7dd9eb AW |
1290 | SCM_DEFINE (scm_sys_bless_applicable_struct_vtables_x, "%bless-applicable-struct-vtables!", 2, 0, 0, |
1291 | (SCM applicable, SCM setter), | |
51fd1cd6 | 1292 | "") |
6c7dd9eb | 1293 | #define FUNC_NAME s_scm_sys_bless_applicable_struct_vtables_x |
51fd1cd6 | 1294 | { |
6c7dd9eb AW |
1295 | SCM_VALIDATE_CLASS (1, applicable); |
1296 | SCM_VALIDATE_CLASS (2, setter); | |
1297 | SCM_SET_VTABLE_FLAGS (applicable, SCM_VTABLE_FLAG_APPLICABLE_VTABLE); | |
1298 | SCM_SET_VTABLE_FLAGS (setter, SCM_VTABLE_FLAG_SETTER_VTABLE); | |
51fd1cd6 AW |
1299 | return SCM_UNSPECIFIED; |
1300 | } | |
1301 | #undef FUNC_NAME | |
1302 | ||
82ab5090 AW |
1303 | SCM_DEFINE (scm_sys_goops_early_init, "%goops-early-init", 0, 0, 0, |
1304 | (), | |
1305 | "") | |
1306 | #define FUNC_NAME s_scm_sys_goops_early_init | |
1307 | { | |
51fd1cd6 | 1308 | var_make_standard_class = scm_c_lookup ("make-standard-class"); |
e0590e7c | 1309 | var_make = scm_c_lookup ("make"); |
51fd1cd6 | 1310 | |
ade4cf4c AW |
1311 | var_slot_ref_using_class = scm_c_lookup ("slot-ref-using-class"); |
1312 | var_slot_set_using_class_x = scm_c_lookup ("slot-set-using-class!"); | |
1313 | var_slot_bound_using_class_p = scm_c_lookup ("slot-bound-using-class?"); | |
1314 | var_slot_exists_using_class_p = scm_c_lookup ("slot-exists-using-class?"); | |
1315 | ||
1316 | var_slot_ref = scm_c_lookup ("slot-ref"); | |
1317 | var_slot_set_x = scm_c_lookup ("slot-set!"); | |
1318 | var_slot_bound_p = scm_c_lookup ("slot-bound?"); | |
1319 | var_slot_exists_p = scm_c_lookup ("slot-exists?"); | |
1320 | ||
57898597 AW |
1321 | class_class = scm_variable_ref (scm_c_lookup ("<class>")); |
1322 | class_top = scm_variable_ref (scm_c_lookup ("<top>")); | |
1323 | class_object = scm_variable_ref (scm_c_lookup ("<object>")); | |
1324 | ||
1325 | class_foreign_slot = scm_variable_ref (scm_c_lookup ("<foreign-slot>")); | |
1326 | class_protected = scm_variable_ref (scm_c_lookup ("<protected-slot>")); | |
1327 | class_hidden = scm_variable_ref (scm_c_lookup ("<hidden-slot>")); | |
1328 | class_opaque = scm_variable_ref (scm_c_lookup ("<opaque-slot>")); | |
1329 | class_read_only = scm_variable_ref (scm_c_lookup ("<read-only-slot>")); | |
1330 | class_self = scm_variable_ref (scm_c_lookup ("<self-slot>")); | |
1331 | class_protected_opaque = scm_variable_ref (scm_c_lookup ("<protected-opaque-slot>")); | |
1332 | class_protected_hidden = scm_variable_ref (scm_c_lookup ("<protected-hidden-slot>")); | |
1333 | class_protected_read_only = scm_variable_ref (scm_c_lookup ("<protected-read-only-slot>")); | |
1334 | class_scm = scm_variable_ref (scm_c_lookup ("<scm-slot>")); | |
1335 | class_int = scm_variable_ref (scm_c_lookup ("<int-slot>")); | |
1336 | class_float = scm_variable_ref (scm_c_lookup ("<float-slot>")); | |
1337 | class_double = scm_variable_ref (scm_c_lookup ("<double-slot>")); | |
1338 | ||
1339 | /* Applicables */ | |
1340 | class_procedure_class = scm_variable_ref (scm_c_lookup ("<procedure-class>")); | |
1341 | class_applicable_struct_class = scm_variable_ref (scm_c_lookup ("<applicable-struct-class>")); | |
1342 | class_applicable_struct_with_setter_class = | |
6c7dd9eb | 1343 | scm_variable_ref (scm_c_lookup ("<applicable-struct-with-setter-class>")); |
51fd1cd6 | 1344 | |
57898597 AW |
1345 | class_method = scm_variable_ref (scm_c_lookup ("<method>")); |
1346 | class_accessor_method = scm_variable_ref (scm_c_lookup ("<accessor-method>")); | |
1347 | class_applicable = scm_variable_ref (scm_c_lookup ("<applicable>")); | |
1348 | class_applicable_struct = scm_variable_ref (scm_c_lookup ("<applicable-struct>")); | |
1349 | class_applicable_struct_with_setter = scm_variable_ref (scm_c_lookup ("<applicable-struct-with-setter>")); | |
1350 | class_generic = scm_variable_ref (scm_c_lookup ("<generic>")); | |
1351 | class_extended_generic = scm_variable_ref (scm_c_lookup ("<extended-generic>")); | |
1352 | class_generic_with_setter = scm_variable_ref (scm_c_lookup ("<generic-with-setter>")); | |
1353 | class_accessor = scm_variable_ref (scm_c_lookup ("<accessor>")); | |
1354 | class_extended_generic_with_setter = scm_variable_ref (scm_c_lookup ("<extended-generic-with-setter>")); | |
1355 | class_extended_accessor = scm_variable_ref (scm_c_lookup ("<extended-accessor>")); | |
51fd1cd6 AW |
1356 | |
1357 | /* Primitive types classes */ | |
57898597 AW |
1358 | class_boolean = scm_variable_ref (scm_c_lookup ("<boolean>")); |
1359 | class_char = scm_variable_ref (scm_c_lookup ("<char>")); | |
1360 | class_list = scm_variable_ref (scm_c_lookup ("<list>")); | |
1361 | class_pair = scm_variable_ref (scm_c_lookup ("<pair>")); | |
1362 | class_null = scm_variable_ref (scm_c_lookup ("<null>")); | |
1363 | class_string = scm_variable_ref (scm_c_lookup ("<string>")); | |
1364 | class_symbol = scm_variable_ref (scm_c_lookup ("<symbol>")); | |
1365 | class_vector = scm_variable_ref (scm_c_lookup ("<vector>")); | |
51fd1cd6 AW |
1366 | class_foreign = scm_variable_ref (scm_c_lookup ("<foreign>")); |
1367 | class_hashtable = scm_variable_ref (scm_c_lookup ("<hashtable>")); | |
1368 | class_fluid = scm_variable_ref (scm_c_lookup ("<fluid>")); | |
1369 | class_dynamic_state = scm_variable_ref (scm_c_lookup ("<dynamic-state>")); | |
1370 | class_frame = scm_variable_ref (scm_c_lookup ("<frame>")); | |
1371 | class_vm_cont = scm_variable_ref (scm_c_lookup ("<vm-continuation>")); | |
1372 | class_bytevector = scm_variable_ref (scm_c_lookup ("<bytevector>")); | |
1373 | class_uvec = scm_variable_ref (scm_c_lookup ("<uvec>")); | |
1374 | class_array = scm_variable_ref (scm_c_lookup ("<array>")); | |
1375 | class_bitvector = scm_variable_ref (scm_c_lookup ("<bitvector>")); | |
57898597 AW |
1376 | class_number = scm_variable_ref (scm_c_lookup ("<number>")); |
1377 | class_complex = scm_variable_ref (scm_c_lookup ("<complex>")); | |
1378 | class_real = scm_variable_ref (scm_c_lookup ("<real>")); | |
1379 | class_integer = scm_variable_ref (scm_c_lookup ("<integer>")); | |
1380 | class_fraction = scm_variable_ref (scm_c_lookup ("<fraction>")); | |
1381 | class_keyword = scm_variable_ref (scm_c_lookup ("<keyword>")); | |
1382 | class_unknown = scm_variable_ref (scm_c_lookup ("<unknown>")); | |
1383 | class_procedure = scm_variable_ref (scm_c_lookup ("<procedure>")); | |
1384 | class_primitive_generic = scm_variable_ref (scm_c_lookup ("<primitive-generic>")); | |
1385 | class_port = scm_variable_ref (scm_c_lookup ("<port>")); | |
1386 | class_input_port = scm_variable_ref (scm_c_lookup ("<input-port>")); | |
1387 | class_output_port = scm_variable_ref (scm_c_lookup ("<output-port>")); | |
1388 | class_input_output_port = scm_variable_ref (scm_c_lookup ("<input-output-port>")); | |
51fd1cd6 | 1389 | |
82ab5090 AW |
1390 | create_smob_classes (); |
1391 | create_struct_classes (); | |
1392 | create_port_classes (); | |
1393 | ||
82ab5090 AW |
1394 | return SCM_UNSPECIFIED; |
1395 | } | |
1396 | #undef FUNC_NAME | |
1397 | ||
398d8ee1 KN |
1398 | SCM_DEFINE (scm_sys_goops_loaded, "%goops-loaded", 0, 0, 0, |
1399 | (), | |
6bcefd15 MG |
1400 | "Announce that GOOPS is loaded and perform initialization\n" |
1401 | "on the C level which depends on the loaded GOOPS modules.") | |
398d8ee1 | 1402 | #define FUNC_NAME s_scm_sys_goops_loaded |
80662eda MD |
1403 | { |
1404 | goops_loaded_p = 1; | |
48c981c9 AW |
1405 | var_class_name = scm_c_lookup ("class-name"); |
1406 | var_class_direct_supers = scm_c_lookup ("class-direct-supers"); | |
1407 | var_class_direct_slots = scm_c_lookup ("class-direct-slots"); | |
1408 | var_class_direct_subclasses = scm_c_lookup ("class-direct-subclasses"); | |
1409 | var_class_direct_methods = scm_c_lookup ("class-direct-methods"); | |
1410 | var_class_precedence_list = scm_c_lookup ("class-precedence-list"); | |
1411 | var_class_slots = scm_c_lookup ("class-slots"); | |
1412 | ||
1413 | var_generic_function_methods = scm_c_lookup ("generic-function-methods"); | |
1414 | var_method_generic_function = scm_c_lookup ("method-generic-function"); | |
1415 | var_method_specializers = scm_c_lookup ("method-specializers"); | |
1416 | var_method_procedure = scm_c_lookup ("method-procedure"); | |
1417 | ||
bef95911 | 1418 | var_change_class = |
f39448c5 | 1419 | scm_module_variable (scm_module_goops, sym_change_class); |
a48d60b1 | 1420 | setup_extended_primitive_generics (); |
623559f3 AW |
1421 | |
1422 | #if (SCM_ENABLE_DEPRECATED == 1) | |
1423 | scm_init_deprecated_goops (); | |
1424 | #endif | |
1425 | ||
80662eda MD |
1426 | return SCM_UNSPECIFIED; |
1427 | } | |
398d8ee1 | 1428 | #undef FUNC_NAME |
80662eda MD |
1429 | |
1430 | SCM scm_module_goops; | |
1431 | ||
6ab19396 AW |
1432 | static void |
1433 | scm_init_goops_builtins (void *unused) | |
80662eda | 1434 | { |
abd28220 | 1435 | scm_module_goops = scm_current_module (); |
80662eda | 1436 | |
bb764c0e | 1437 | hell = scm_calloc (hell_size * sizeof (*hell)); |
f39448c5 | 1438 | hell_mutex = scm_make_mutex (); |
80662eda | 1439 | |
82ab5090 | 1440 | #include "libguile/goops.x" |
80662eda MD |
1441 | } |
1442 | ||
1443 | void | |
abd28220 | 1444 | scm_init_goops () |
80662eda | 1445 | { |
6ab19396 AW |
1446 | scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION, |
1447 | "scm_init_goops_builtins", scm_init_goops_builtins, | |
1448 | NULL); | |
80662eda | 1449 | } |
23437298 DH |
1450 | |
1451 | /* | |
1452 | Local Variables: | |
1453 | c-file-style: "gnu" | |
1454 | End: | |
1455 | */ |