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 | ||
f37bece4 AW |
67 | SCM_KEYWORD (k_name, "name"); |
68 | SCM_KEYWORD (k_setter, "setter"); | |
2025a027 | 69 | SCM_SYMBOL (sym_redefined, "redefined"); |
f37bece4 AW |
70 | SCM_GLOBAL_SYMBOL (scm_sym_args, "args"); |
71 | ||
f6088819 AW |
72 | static int goops_loaded_p = 0; |
73 | ||
51fd1cd6 | 74 | static SCM var_make_standard_class = SCM_BOOL_F; |
bef95911 | 75 | static SCM var_change_class = SCM_BOOL_F; |
e0590e7c | 76 | static SCM var_make = SCM_BOOL_F; |
f37bece4 | 77 | static SCM var_inherit_applicable = SCM_BOOL_F; |
70dd6000 AW |
78 | static SCM var_class_name = SCM_BOOL_F; |
79 | static SCM var_class_direct_supers = SCM_BOOL_F; | |
80 | static SCM var_class_direct_slots = SCM_BOOL_F; | |
81 | static SCM var_class_direct_subclasses = SCM_BOOL_F; | |
82 | static SCM var_class_direct_methods = SCM_BOOL_F; | |
83 | static SCM var_class_precedence_list = SCM_BOOL_F; | |
84 | static SCM var_class_slots = SCM_BOOL_F; | |
bef95911 | 85 | |
48c981c9 AW |
86 | static SCM var_generic_function_methods = SCM_BOOL_F; |
87 | static SCM var_method_generic_function = SCM_BOOL_F; | |
88 | static SCM var_method_specializers = SCM_BOOL_F; | |
89 | static SCM var_method_procedure = SCM_BOOL_F; | |
90 | ||
ade4cf4c AW |
91 | static SCM var_slot_ref = SCM_BOOL_F; |
92 | static SCM var_slot_set_x = SCM_BOOL_F; | |
93 | static SCM var_slot_bound_p = SCM_BOOL_F; | |
94 | static SCM var_slot_exists_p = SCM_BOOL_F; | |
95 | ||
539d5410 | 96 | /* These variables are filled in by the object system when loaded. */ |
57898597 AW |
97 | static SCM class_boolean, class_char, class_pair; |
98 | static SCM class_procedure, class_string, class_symbol; | |
99 | static SCM class_primitive_generic; | |
100 | static SCM class_vector, class_null; | |
101 | static SCM class_integer, class_real, class_complex, class_fraction; | |
102 | static SCM class_unknown; | |
103 | static SCM class_top, class_object, class_class; | |
104 | static SCM class_applicable; | |
105 | static SCM class_applicable_struct, class_applicable_struct_with_setter; | |
106 | static SCM class_generic, class_generic_with_setter; | |
107 | static SCM class_accessor; | |
108 | static SCM class_extended_generic, class_extended_generic_with_setter; | |
109 | static SCM class_extended_accessor; | |
110 | static SCM class_method; | |
111 | static SCM class_accessor_method; | |
112 | static SCM class_procedure_class; | |
113 | static SCM class_applicable_struct_class; | |
114 | static SCM class_applicable_struct_with_setter_class; | |
115 | static SCM class_number, class_list; | |
116 | static SCM class_keyword; | |
117 | static SCM class_port, class_input_output_port; | |
118 | static SCM class_input_port, class_output_port; | |
119 | static SCM class_foreign_slot; | |
120 | static SCM class_self, class_protected; | |
121 | static SCM class_hidden, class_opaque, class_read_only; | |
122 | static SCM class_protected_hidden, class_protected_opaque, class_protected_read_only; | |
123 | static SCM class_scm; | |
124 | static SCM class_int, class_float, class_double; | |
80662eda | 125 | |
e2c2a699 | 126 | static SCM class_foreign; |
9ea31741 AW |
127 | static SCM class_hashtable; |
128 | static SCM class_fluid; | |
129 | static SCM class_dynamic_state; | |
6f3b0cc2 | 130 | static SCM class_frame; |
568174d1 | 131 | static SCM class_keyword; |
6f3b0cc2 | 132 | static SCM class_vm_cont; |
f826a886 AW |
133 | static SCM class_bytevector; |
134 | static SCM class_uvec; | |
b2637c98 | 135 | static SCM class_array; |
ff1feca9 | 136 | static SCM class_bitvector; |
9ea31741 | 137 | |
f3c6a02c AW |
138 | static SCM vtable_class_map = SCM_BOOL_F; |
139 | ||
63385df2 LC |
140 | /* Port classes. Allocate 3 times the maximum number of port types so that |
141 | input ports, output ports, and in/out ports can be stored at different | |
142 | offsets. See `SCM_IN_PCLASS_INDEX' et al. */ | |
57898597 | 143 | SCM scm_i_port_class[3 * SCM_I_MAX_PORT_TYPE_COUNT]; |
63385df2 LC |
144 | |
145 | /* SMOB classes. */ | |
57898597 | 146 | SCM scm_i_smob_class[SCM_I_MAX_SMOB_TYPE_COUNT]; |
539d5410 | 147 | |
c2aa5d9b AW |
148 | SCM scm_module_goops; |
149 | ||
761338f6 | 150 | static SCM scm_sys_make_vtable_vtable (SCM layout); |
51fd1cd6 | 151 | static SCM scm_sys_init_layout_x (SCM class, SCM layout); |
567a6d1e | 152 | static SCM scm_sys_clear_fields_x (SCM obj, SCM unbound); |
82ab5090 | 153 | static SCM scm_sys_goops_early_init (void); |
398d8ee1 | 154 | static SCM scm_sys_goops_loaded (void); |
80662eda | 155 | |
f3c6a02c | 156 | |
60061fe0 AW |
157 | \f |
158 | ||
761338f6 | 159 | SCM_DEFINE (scm_sys_make_vtable_vtable, "%make-vtable-vtable", 1, 0, 0, |
c2aa5d9b AW |
160 | (SCM layout), |
161 | "") | |
761338f6 | 162 | #define FUNC_NAME s_scm_sys_make_vtable_vtable |
c2aa5d9b | 163 | { |
761338f6 | 164 | return scm_i_make_vtable_vtable (layout); |
c2aa5d9b AW |
165 | } |
166 | #undef FUNC_NAME | |
167 | ||
60061fe0 AW |
168 | SCM |
169 | scm_make_standard_class (SCM meta, SCM name, SCM dsupers, SCM dslots) | |
170 | { | |
171 | return scm_call_4 (scm_variable_ref (var_make_standard_class), | |
172 | meta, name, dsupers, dslots); | |
173 | } | |
174 | ||
175 | SCM_DEFINE (scm_sys_init_layout_x, "%init-layout!", 2, 0, 0, | |
176 | (SCM class, SCM layout), | |
177 | "") | |
178 | #define FUNC_NAME s_scm_sys_init_layout_x | |
179 | { | |
180 | SCM_VALIDATE_INSTANCE (1, class); | |
181 | SCM_ASSERT (!scm_is_symbol (SCM_VTABLE_LAYOUT (class)), class, 1, FUNC_NAME); | |
182 | SCM_VALIDATE_STRING (2, layout); | |
183 | ||
184 | SCM_SET_VTABLE_LAYOUT (class, scm_make_struct_layout (layout)); | |
185 | scm_i_struct_inherit_vtable_magic (SCM_CLASS_OF (class), class); | |
186 | SCM_SET_CLASS_FLAGS (class, SCM_CLASSF_GOOPS_OR_VALID); | |
187 | ||
188 | return SCM_UNSPECIFIED; | |
189 | } | |
190 | #undef FUNC_NAME | |
191 | ||
192 | ||
193 | \f | |
194 | ||
539d5410 MV |
195 | /* This function is used for efficient type dispatch. */ |
196 | SCM_DEFINE (scm_class_of, "class-of", 1, 0, 0, | |
197 | (SCM x), | |
198 | "Return the class of @var{x}.") | |
199 | #define FUNC_NAME s_scm_class_of | |
200 | { | |
201 | switch (SCM_ITAG3 (x)) | |
202 | { | |
203 | case scm_tc3_int_1: | |
204 | case scm_tc3_int_2: | |
57898597 | 205 | return class_integer; |
539d5410 MV |
206 | |
207 | case scm_tc3_imm24: | |
208 | if (SCM_CHARP (x)) | |
57898597 | 209 | return class_char; |
539d5410 | 210 | else if (scm_is_bool (x)) |
57898597 | 211 | return class_boolean; |
539d5410 | 212 | else if (scm_is_null (x)) |
57898597 | 213 | return class_null; |
539d5410 | 214 | else |
57898597 | 215 | return class_unknown; |
539d5410 MV |
216 | |
217 | case scm_tc3_cons: | |
218 | switch (SCM_TYP7 (x)) | |
219 | { | |
220 | case scm_tcs_cons_nimcar: | |
57898597 | 221 | return class_pair; |
539d5410 | 222 | case scm_tc7_symbol: |
57898597 | 223 | return class_symbol; |
539d5410 MV |
224 | case scm_tc7_vector: |
225 | case scm_tc7_wvect: | |
57898597 | 226 | return class_vector; |
5b46a8c2 | 227 | case scm_tc7_pointer: |
e2c2a699 | 228 | return class_foreign; |
c99de5aa | 229 | case scm_tc7_hashtable: |
9ea31741 AW |
230 | return class_hashtable; |
231 | case scm_tc7_fluid: | |
232 | return class_fluid; | |
233 | case scm_tc7_dynamic_state: | |
234 | return class_dynamic_state; | |
6f3b0cc2 AW |
235 | case scm_tc7_frame: |
236 | return class_frame; | |
e2fafeb9 | 237 | case scm_tc7_keyword: |
57898597 | 238 | return class_keyword; |
6f3b0cc2 AW |
239 | case scm_tc7_vm_cont: |
240 | return class_vm_cont; | |
f826a886 AW |
241 | case scm_tc7_bytevector: |
242 | if (SCM_BYTEVECTOR_ELEMENT_TYPE (x) == SCM_ARRAY_ELEMENT_TYPE_VU8) | |
243 | return class_bytevector; | |
244 | else | |
245 | return class_uvec; | |
b2637c98 AW |
246 | case scm_tc7_array: |
247 | return class_array; | |
ff1feca9 AW |
248 | case scm_tc7_bitvector: |
249 | return class_bitvector; | |
539d5410 | 250 | case scm_tc7_string: |
57898597 | 251 | return class_string; |
539d5410 MV |
252 | case scm_tc7_number: |
253 | switch SCM_TYP16 (x) { | |
254 | case scm_tc16_big: | |
57898597 | 255 | return class_integer; |
539d5410 | 256 | case scm_tc16_real: |
57898597 | 257 | return class_real; |
539d5410 | 258 | case scm_tc16_complex: |
57898597 | 259 | return class_complex; |
539d5410 | 260 | case scm_tc16_fraction: |
57898597 | 261 | return class_fraction; |
539d5410 | 262 | } |
e0755cd1 | 263 | case scm_tc7_program: |
b2b33168 AW |
264 | if (SCM_PROGRAM_IS_PRIMITIVE_GENERIC (x) |
265 | && SCM_UNPACK (*SCM_SUBR_GENERIC (x))) | |
57898597 | 266 | return class_primitive_generic; |
fd12a19a | 267 | else |
57898597 | 268 | return class_procedure; |
539d5410 MV |
269 | |
270 | case scm_tc7_smob: | |
271 | { | |
272 | scm_t_bits type = SCM_TYP16 (x); | |
273 | if (type != scm_tc16_port_with_ps) | |
57898597 | 274 | return scm_i_smob_class[SCM_TC2SMOBNUM (type)]; |
539d5410 MV |
275 | x = SCM_PORT_WITH_PS_PORT (x); |
276 | /* fall through to ports */ | |
277 | } | |
278 | case scm_tc7_port: | |
57898597 AW |
279 | return scm_i_port_class[(SCM_WRTNG & SCM_CELL_WORD_0 (x) |
280 | ? (SCM_RDNG & SCM_CELL_WORD_0 (x) | |
281 | ? SCM_INOUT_PCLASS_INDEX | SCM_PTOBNUM (x) | |
282 | : SCM_OUT_PCLASS_INDEX | SCM_PTOBNUM (x)) | |
283 | : SCM_IN_PCLASS_INDEX | SCM_PTOBNUM (x))]; | |
539d5410 MV |
284 | case scm_tcs_struct: |
285 | if (SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_GOOPS_VALID) | |
2025a027 | 286 | /* A GOOPS object with a valid class. */ |
539d5410 MV |
287 | return SCM_CLASS_OF (x); |
288 | else if (SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_GOOPS) | |
2025a027 | 289 | /* A GOOPS object whose class might have been redefined. */ |
539d5410 | 290 | { |
2025a027 AW |
291 | SCM class = SCM_CLASS_OF (x); |
292 | SCM new_class = scm_slot_ref (class, sym_redefined); | |
293 | if (!scm_is_false (new_class)) | |
294 | scm_change_object_class (x, class, new_class); | |
295 | /* Re-load class from instance. */ | |
539d5410 MV |
296 | return SCM_CLASS_OF (x); |
297 | } | |
298 | else | |
f3c6a02c | 299 | return scm_i_define_class_for_vtable (SCM_CLASS_OF (x)); |
539d5410 MV |
300 | default: |
301 | if (scm_is_pair (x)) | |
57898597 | 302 | return class_pair; |
539d5410 | 303 | else |
57898597 | 304 | return class_unknown; |
539d5410 MV |
305 | } |
306 | ||
307 | case scm_tc3_struct: | |
308 | case scm_tc3_tc7_1: | |
309 | case scm_tc3_tc7_2: | |
314b8716 | 310 | /* case scm_tc3_unused: */ |
539d5410 MV |
311 | /* Never reached */ |
312 | break; | |
313 | } | |
57898597 | 314 | return class_unknown; |
539d5410 MV |
315 | } |
316 | #undef FUNC_NAME | |
317 | ||
80662eda | 318 | |
c2aa5d9b | 319 | \f |
80662eda | 320 | |
398d8ee1 KN |
321 | SCM_DEFINE (scm_instance_p, "instance?", 1, 0, 0, |
322 | (SCM obj), | |
6bcefd15 | 323 | "Return @code{#t} if @var{obj} is an instance.") |
398d8ee1 | 324 | #define FUNC_NAME s_scm_instance_p |
80662eda | 325 | { |
7888309b | 326 | return scm_from_bool (SCM_INSTANCEP (obj)); |
80662eda | 327 | } |
398d8ee1 | 328 | #undef FUNC_NAME |
80662eda | 329 | |
57898597 AW |
330 | int |
331 | scm_is_generic (SCM x) | |
332 | { | |
333 | return SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), class_generic); | |
334 | } | |
335 | ||
336 | int | |
337 | scm_is_method (SCM x) | |
338 | { | |
339 | return SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), class_method); | |
340 | } | |
80662eda | 341 | |
c2aa5d9b AW |
342 | |
343 | \f | |
51fd1cd6 | 344 | |
70dd6000 AW |
345 | SCM |
346 | scm_class_name (SCM obj) | |
80662eda | 347 | { |
70dd6000 | 348 | return scm_call_1 (scm_variable_ref (var_class_name), obj); |
80662eda MD |
349 | } |
350 | ||
70dd6000 AW |
351 | SCM |
352 | scm_class_direct_supers (SCM obj) | |
80662eda | 353 | { |
70dd6000 | 354 | return scm_call_1 (scm_variable_ref (var_class_direct_supers), obj); |
80662eda MD |
355 | } |
356 | ||
70dd6000 AW |
357 | SCM |
358 | scm_class_direct_slots (SCM obj) | |
80662eda | 359 | { |
70dd6000 | 360 | return scm_call_1 (scm_variable_ref (var_class_direct_slots), obj); |
80662eda MD |
361 | } |
362 | ||
70dd6000 AW |
363 | SCM |
364 | scm_class_direct_subclasses (SCM obj) | |
80662eda | 365 | { |
70dd6000 | 366 | return scm_call_1 (scm_variable_ref (var_class_direct_subclasses), obj); |
80662eda MD |
367 | } |
368 | ||
70dd6000 AW |
369 | SCM |
370 | scm_class_direct_methods (SCM obj) | |
80662eda | 371 | { |
70dd6000 | 372 | return scm_call_1 (scm_variable_ref (var_class_direct_methods), obj); |
80662eda MD |
373 | } |
374 | ||
70dd6000 AW |
375 | SCM |
376 | scm_class_precedence_list (SCM obj) | |
80662eda | 377 | { |
70dd6000 | 378 | return scm_call_1 (scm_variable_ref (var_class_precedence_list), obj); |
80662eda MD |
379 | } |
380 | ||
70dd6000 AW |
381 | SCM |
382 | scm_class_slots (SCM obj) | |
80662eda | 383 | { |
70dd6000 | 384 | return scm_call_1 (scm_variable_ref (var_class_slots), obj); |
80662eda MD |
385 | } |
386 | ||
c2aa5d9b AW |
387 | |
388 | \f | |
389 | ||
398d8ee1 | 390 | SCM_DEFINE (scm_generic_function_name, "generic-function-name", 1, 0, 0, |
70dd6000 | 391 | (SCM obj), |
6bcefd15 | 392 | "Return the name of the generic function @var{obj}.") |
398d8ee1 | 393 | #define FUNC_NAME s_scm_generic_function_name |
80662eda | 394 | { |
398d8ee1 | 395 | SCM_VALIDATE_GENERIC (1, obj); |
80662eda MD |
396 | return scm_procedure_property (obj, scm_sym_name); |
397 | } | |
398d8ee1 | 398 | #undef FUNC_NAME |
80662eda | 399 | |
48c981c9 AW |
400 | SCM |
401 | scm_generic_function_methods (SCM obj) | |
80662eda | 402 | { |
48c981c9 | 403 | return scm_call_1 (scm_variable_ref (var_generic_function_methods), obj); |
80662eda MD |
404 | } |
405 | ||
48c981c9 AW |
406 | SCM |
407 | scm_method_generic_function (SCM obj) | |
80662eda | 408 | { |
48c981c9 | 409 | return scm_call_1 (scm_variable_ref (var_method_generic_function), obj); |
80662eda MD |
410 | } |
411 | ||
48c981c9 AW |
412 | SCM |
413 | scm_method_specializers (SCM obj) | |
80662eda | 414 | { |
48c981c9 | 415 | return scm_call_1 (scm_variable_ref (var_method_specializers), obj); |
80662eda MD |
416 | } |
417 | ||
48c981c9 AW |
418 | SCM |
419 | scm_method_procedure (SCM obj) | |
80662eda | 420 | { |
48c981c9 | 421 | return scm_call_1 (scm_variable_ref (var_method_procedure), obj); |
80662eda MD |
422 | } |
423 | ||
c2aa5d9b AW |
424 | |
425 | \f | |
80662eda | 426 | |
ade4cf4c AW |
427 | SCM |
428 | scm_slot_ref (SCM obj, SCM slot_name) | |
80662eda | 429 | { |
ade4cf4c | 430 | return scm_call_2 (scm_variable_ref (var_slot_ref), obj, slot_name); |
80662eda MD |
431 | } |
432 | ||
ade4cf4c AW |
433 | SCM |
434 | scm_slot_set_x (SCM obj, SCM slot_name, SCM value) | |
80662eda | 435 | { |
ade4cf4c | 436 | return scm_call_3 (scm_variable_ref (var_slot_set_x), obj, slot_name, value); |
80662eda MD |
437 | } |
438 | ||
ade4cf4c AW |
439 | SCM |
440 | scm_slot_bound_p (SCM obj, SCM slot_name) | |
80662eda | 441 | { |
ade4cf4c | 442 | return scm_call_2 (scm_variable_ref (var_slot_bound_p), obj, slot_name); |
80662eda MD |
443 | } |
444 | ||
ade4cf4c AW |
445 | SCM |
446 | scm_slot_exists_p (SCM obj, SCM slot_name) | |
80662eda | 447 | { |
ade4cf4c | 448 | return scm_call_2 (scm_variable_ref (var_slot_exists_p), obj, slot_name); |
80662eda MD |
449 | } |
450 | ||
c2aa5d9b AW |
451 | |
452 | \f | |
453 | ||
567a6d1e AW |
454 | SCM_DEFINE (scm_sys_clear_fields_x, "%clear-fields!", 2, 0, 0, |
455 | (SCM obj, SCM unbound), | |
07452c83 AW |
456 | "") |
457 | #define FUNC_NAME s_scm_sys_clear_fields_x | |
80662eda | 458 | { |
e25f3727 | 459 | scm_t_signed_bits n, i; |
07452c83 | 460 | SCM vtable, layout; |
80662eda | 461 | |
07452c83 AW |
462 | SCM_VALIDATE_STRUCT (1, obj); |
463 | vtable = SCM_STRUCT_VTABLE (obj); | |
80662eda | 464 | |
07452c83 AW |
465 | n = SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size); |
466 | layout = SCM_VTABLE_LAYOUT (vtable); | |
80662eda | 467 | |
07452c83 | 468 | /* Set all SCM-holding slots to the GOOPS unbound value. */ |
b6cf4d02 | 469 | for (i = 0; i < n; i++) |
07452c83 | 470 | if (scm_i_symbol_ref (layout, i*2) == 'p') |
567a6d1e | 471 | SCM_STRUCT_SLOT_SET (obj, i, unbound); |
6d77c894 | 472 | |
07452c83 | 473 | return SCM_UNSPECIFIED; |
80662eda | 474 | } |
398d8ee1 | 475 | #undef FUNC_NAME |
80662eda | 476 | |
c2aa5d9b AW |
477 | |
478 | \f | |
80662eda | 479 | |
398d8ee1 KN |
480 | SCM_DEFINE (scm_sys_modify_instance, "%modify-instance", 2, 0, 0, |
481 | (SCM old, SCM new), | |
c2aa5d9b | 482 | "Used by change-class to modify objects in place.") |
398d8ee1 | 483 | #define FUNC_NAME s_scm_sys_modify_instance |
80662eda | 484 | { |
398d8ee1 KN |
485 | SCM_VALIDATE_INSTANCE (1, old); |
486 | SCM_VALIDATE_INSTANCE (2, new); | |
80662eda | 487 | |
6d77c894 | 488 | /* Exchange the data contained in old and new. We exchange rather than |
80662eda MD |
489 | * scratch the old value with new to be correct with GC. |
490 | * See "Class redefinition protocol above". | |
491 | */ | |
9de87eea | 492 | SCM_CRITICAL_SECTION_START; |
80662eda | 493 | { |
32b12f40 KR |
494 | scm_t_bits word0, word1; |
495 | word0 = SCM_CELL_WORD_0 (old); | |
496 | word1 = SCM_CELL_WORD_1 (old); | |
497 | SCM_SET_CELL_WORD_0 (old, SCM_CELL_WORD_0 (new)); | |
498 | SCM_SET_CELL_WORD_1 (old, SCM_CELL_WORD_1 (new)); | |
499 | SCM_SET_CELL_WORD_0 (new, word0); | |
500 | SCM_SET_CELL_WORD_1 (new, word1); | |
80662eda | 501 | } |
9de87eea | 502 | SCM_CRITICAL_SECTION_END; |
80662eda MD |
503 | return SCM_UNSPECIFIED; |
504 | } | |
398d8ee1 | 505 | #undef FUNC_NAME |
80662eda | 506 | |
398d8ee1 KN |
507 | SCM_DEFINE (scm_sys_modify_class, "%modify-class", 2, 0, 0, |
508 | (SCM old, SCM new), | |
509 | "") | |
510 | #define FUNC_NAME s_scm_sys_modify_class | |
80662eda | 511 | { |
398d8ee1 KN |
512 | SCM_VALIDATE_CLASS (1, old); |
513 | SCM_VALIDATE_CLASS (2, new); | |
80662eda | 514 | |
9de87eea | 515 | SCM_CRITICAL_SECTION_START; |
80662eda | 516 | { |
32b12f40 KR |
517 | scm_t_bits word0, word1; |
518 | word0 = SCM_CELL_WORD_0 (old); | |
519 | word1 = SCM_CELL_WORD_1 (old); | |
520 | SCM_SET_CELL_WORD_0 (old, SCM_CELL_WORD_0 (new)); | |
521 | SCM_SET_CELL_WORD_1 (old, SCM_CELL_WORD_1 (new)); | |
b6cf4d02 | 522 | SCM_STRUCT_DATA (old)[scm_vtable_index_self] = SCM_UNPACK (old); |
32b12f40 KR |
523 | SCM_SET_CELL_WORD_0 (new, word0); |
524 | SCM_SET_CELL_WORD_1 (new, word1); | |
b6cf4d02 | 525 | SCM_STRUCT_DATA (new)[scm_vtable_index_self] = SCM_UNPACK (new); |
80662eda | 526 | } |
9de87eea | 527 | SCM_CRITICAL_SECTION_END; |
80662eda MD |
528 | return SCM_UNSPECIFIED; |
529 | } | |
398d8ee1 | 530 | #undef FUNC_NAME |
80662eda | 531 | |
80662eda MD |
532 | /* When instances change class, they finally get a new body, but |
533 | * before that, they go through purgatory in hell. Odd as it may | |
534 | * seem, this data structure saves us from eternal suffering in | |
535 | * infinite recursions. | |
536 | */ | |
537 | ||
92c2555f | 538 | static scm_t_bits **hell; |
c014a02e ML |
539 | static long n_hell = 1; /* one place for the evil one himself */ |
540 | static long hell_size = 4; | |
2132f0d2 | 541 | static SCM hell_mutex; |
80662eda | 542 | |
c014a02e | 543 | static long |
80662eda MD |
544 | burnin (SCM o) |
545 | { | |
c014a02e | 546 | long i; |
80662eda | 547 | for (i = 1; i < n_hell; ++i) |
6b80d352 | 548 | if (SCM_STRUCT_DATA (o) == hell[i]) |
80662eda MD |
549 | return i; |
550 | return 0; | |
551 | } | |
552 | ||
553 | static void | |
554 | go_to_hell (void *o) | |
555 | { | |
b5df9cda | 556 | SCM obj = *(SCM*)o; |
2132f0d2 | 557 | scm_lock_mutex (hell_mutex); |
51ef99f7 | 558 | if (n_hell >= hell_size) |
80662eda | 559 | { |
51ef99f7 | 560 | hell_size *= 2; |
408bcd99 | 561 | hell = scm_realloc (hell, hell_size * sizeof(*hell)); |
80662eda | 562 | } |
6b80d352 | 563 | hell[n_hell++] = SCM_STRUCT_DATA (obj); |
2132f0d2 | 564 | scm_unlock_mutex (hell_mutex); |
80662eda MD |
565 | } |
566 | ||
567 | static void | |
568 | go_to_heaven (void *o) | |
569 | { | |
b5df9cda | 570 | SCM obj = *(SCM*)o; |
2132f0d2 | 571 | scm_lock_mutex (hell_mutex); |
b5df9cda | 572 | hell[burnin (obj)] = hell[--n_hell]; |
2132f0d2 | 573 | scm_unlock_mutex (hell_mutex); |
80662eda MD |
574 | } |
575 | ||
6b80d352 | 576 | |
80662eda | 577 | static SCM |
b5df9cda | 578 | purgatory (SCM obj, SCM new_class) |
80662eda | 579 | { |
b5df9cda | 580 | return scm_call_2 (SCM_VARIABLE_REF (var_change_class), obj, new_class); |
80662eda MD |
581 | } |
582 | ||
38d8927c MD |
583 | /* This function calls the generic function change-class for all |
584 | * instances which aren't currently undergoing class change. | |
585 | */ | |
586 | ||
80662eda | 587 | void |
e81d98ec | 588 | scm_change_object_class (SCM obj, SCM old_class SCM_UNUSED, SCM new_class) |
80662eda MD |
589 | { |
590 | if (!burnin (obj)) | |
b5df9cda AW |
591 | { |
592 | scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE); | |
593 | scm_dynwind_rewind_handler (go_to_hell, &obj, SCM_F_WIND_EXPLICITLY); | |
594 | scm_dynwind_unwind_handler (go_to_heaven, &obj, SCM_F_WIND_EXPLICITLY); | |
595 | purgatory (obj, new_class); | |
596 | scm_dynwind_end (); | |
597 | } | |
80662eda MD |
598 | } |
599 | ||
c2aa5d9b AW |
600 | |
601 | \f | |
602 | ||
603 | /* Primitive generics: primitives that can dispatch to generics if their | |
604 | arguments fail to apply. */ | |
80662eda | 605 | |
398d8ee1 KN |
606 | SCM_DEFINE (scm_generic_capability_p, "generic-capability?", 1, 0, 0, |
607 | (SCM proc), | |
608 | "") | |
609 | #define FUNC_NAME s_scm_generic_capability_p | |
80662eda | 610 | { |
7888309b | 611 | SCM_ASSERT (scm_is_true (scm_procedure_p (proc)), |
398d8ee1 | 612 | proc, SCM_ARG1, FUNC_NAME); |
9fdf9fd3 | 613 | return (SCM_PRIMITIVE_GENERIC_P (proc) ? SCM_BOOL_T : SCM_BOOL_F); |
80662eda | 614 | } |
398d8ee1 | 615 | #undef FUNC_NAME |
80662eda | 616 | |
398d8ee1 KN |
617 | SCM_DEFINE (scm_enable_primitive_generic_x, "enable-primitive-generic!", 0, 0, 1, |
618 | (SCM subrs), | |
619 | "") | |
620 | #define FUNC_NAME s_scm_enable_primitive_generic_x | |
80662eda | 621 | { |
6b80d352 | 622 | SCM_VALIDATE_REST_ARGUMENT (subrs); |
d2e53ed6 | 623 | while (!scm_is_null (subrs)) |
80662eda MD |
624 | { |
625 | SCM subr = SCM_CAR (subrs); | |
9fdf9fd3 | 626 | SCM_ASSERT (SCM_PRIMITIVE_GENERIC_P (subr), subr, SCM_ARGn, FUNC_NAME); |
52fd9639 | 627 | SCM_SET_SUBR_GENERIC (subr, |
57898597 | 628 | scm_make (scm_list_3 (class_generic, |
52fd9639 AW |
629 | k_name, |
630 | SCM_SUBR_NAME (subr)))); | |
80662eda MD |
631 | subrs = SCM_CDR (subrs); |
632 | } | |
633 | return SCM_UNSPECIFIED; | |
634 | } | |
398d8ee1 | 635 | #undef FUNC_NAME |
80662eda | 636 | |
9f63ce02 AW |
637 | SCM_DEFINE (scm_set_primitive_generic_x, "set-primitive-generic!", 2, 0, 0, |
638 | (SCM subr, SCM generic), | |
639 | "") | |
640 | #define FUNC_NAME s_scm_set_primitive_generic_x | |
641 | { | |
9fdf9fd3 | 642 | SCM_ASSERT (SCM_PRIMITIVE_GENERIC_P (subr), subr, SCM_ARG1, FUNC_NAME); |
2b7692bc | 643 | SCM_ASSERT (SCM_GENERICP (generic), generic, SCM_ARG2, FUNC_NAME); |
52fd9639 | 644 | SCM_SET_SUBR_GENERIC (subr, generic); |
9f63ce02 AW |
645 | return SCM_UNSPECIFIED; |
646 | } | |
647 | #undef FUNC_NAME | |
648 | ||
398d8ee1 KN |
649 | SCM_DEFINE (scm_primitive_generic_generic, "primitive-generic-generic", 1, 0, 0, |
650 | (SCM subr), | |
651 | "") | |
652 | #define FUNC_NAME s_scm_primitive_generic_generic | |
80662eda | 653 | { |
9fdf9fd3 | 654 | if (SCM_PRIMITIVE_GENERIC_P (subr)) |
80662eda | 655 | { |
b2b33168 | 656 | if (!SCM_UNPACK (*SCM_SUBR_GENERIC (subr))) |
a48d60b1 MD |
657 | scm_enable_primitive_generic_x (scm_list_1 (subr)); |
658 | return *SCM_SUBR_GENERIC (subr); | |
80662eda | 659 | } |
db4b4ca6 | 660 | SCM_WRONG_TYPE_ARG (SCM_ARG1, subr); |
80662eda | 661 | } |
398d8ee1 | 662 | #undef FUNC_NAME |
80662eda | 663 | |
fa075d40 AW |
664 | SCM |
665 | scm_wta_dispatch_0 (SCM gf, const char *subr) | |
666 | { | |
667 | if (!SCM_UNPACK (gf)) | |
668 | scm_error_num_args_subr (subr); | |
669 | ||
670 | return scm_call_0 (gf); | |
671 | } | |
672 | ||
673 | SCM | |
674 | scm_wta_dispatch_1 (SCM gf, SCM a1, int pos, const char *subr) | |
675 | { | |
676 | if (!SCM_UNPACK (gf)) | |
677 | scm_wrong_type_arg (subr, pos, a1); | |
678 | ||
679 | return scm_call_1 (gf, a1); | |
680 | } | |
681 | ||
682 | SCM | |
683 | scm_wta_dispatch_2 (SCM gf, SCM a1, SCM a2, int pos, const char *subr) | |
684 | { | |
685 | if (!SCM_UNPACK (gf)) | |
686 | scm_wrong_type_arg (subr, pos, (pos == SCM_ARG1) ? a1 : a2); | |
687 | ||
688 | return scm_call_2 (gf, a1, a2); | |
689 | } | |
690 | ||
691 | SCM | |
692 | scm_wta_dispatch_n (SCM gf, SCM args, int pos, const char *subr) | |
693 | { | |
694 | if (!SCM_UNPACK (gf)) | |
695 | scm_wrong_type_arg (subr, pos, scm_list_ref (args, scm_from_int (pos))); | |
696 | ||
697 | return scm_apply_0 (gf, args); | |
698 | } | |
699 | ||
c2aa5d9b AW |
700 | |
701 | \f | |
80662eda | 702 | |
cb3ea03d AW |
703 | SCM |
704 | scm_make (SCM args) | |
80662eda | 705 | { |
e0590e7c | 706 | return scm_apply_0 (scm_variable_ref (var_make), args); |
80662eda MD |
707 | } |
708 | ||
80662eda | 709 | |
c2aa5d9b AW |
710 | \f |
711 | ||
712 | /* SMOB, struct, and port classes. */ | |
80662eda MD |
713 | |
714 | static SCM | |
2e0b6934 | 715 | make_class_name (const char *prefix, const char *type_name, const char *suffix) |
80662eda | 716 | { |
2e0b6934 AW |
717 | if (!type_name) |
718 | type_name = ""; | |
719 | return scm_string_to_symbol (scm_string_append | |
720 | (scm_list_3 (scm_from_utf8_string (prefix), | |
721 | scm_from_utf8_string (type_name), | |
722 | scm_from_utf8_string (suffix)))); | |
80662eda MD |
723 | } |
724 | ||
725 | SCM | |
da0e6c2b | 726 | scm_make_extended_class (char const *type_name, int applicablep) |
80662eda | 727 | { |
2e0b6934 AW |
728 | SCM name, meta, supers; |
729 | ||
730 | name = make_class_name ("<", type_name, ">"); | |
731 | meta = class_class; | |
732 | ||
733 | if (applicablep) | |
734 | supers = scm_list_1 (class_applicable); | |
735 | else | |
736 | supers = scm_list_1 (class_top); | |
737 | ||
738 | return scm_make_standard_class (meta, name, supers, SCM_EOL); | |
74b6d6e4 MD |
739 | } |
740 | ||
741 | void | |
742 | scm_i_inherit_applicable (SCM c) | |
743 | { | |
f37bece4 | 744 | scm_call_1 (scm_variable_ref (var_inherit_applicable), c); |
80662eda MD |
745 | } |
746 | ||
747 | static void | |
748 | create_smob_classes (void) | |
749 | { | |
c014a02e | 750 | long i; |
80662eda | 751 | |
c891a40e | 752 | for (i = 0; i < SCM_I_MAX_SMOB_TYPE_COUNT; ++i) |
57898597 | 753 | scm_i_smob_class[i] = SCM_BOOL_F; |
80662eda | 754 | |
80662eda | 755 | for (i = 0; i < scm_numsmob; ++i) |
57898597 AW |
756 | if (scm_is_false (scm_i_smob_class[i])) |
757 | scm_i_smob_class[i] = scm_make_extended_class (SCM_SMOBNAME (i), | |
758 | scm_smobs[i].apply != 0); | |
80662eda MD |
759 | } |
760 | ||
761 | void | |
c014a02e | 762 | scm_make_port_classes (long ptobnum, char *type_name) |
80662eda | 763 | { |
2e0b6934 AW |
764 | SCM name, meta, super, supers; |
765 | ||
766 | meta = class_class; | |
767 | ||
768 | name = make_class_name ("<", type_name, "-port>"); | |
769 | supers = scm_list_1 (class_port); | |
770 | super = scm_make_standard_class (meta, name, supers, SCM_EOL); | |
771 | ||
772 | name = make_class_name ("<", type_name, "-input-port>"); | |
773 | supers = scm_list_2 (super, class_input_port); | |
57898597 | 774 | scm_i_port_class[SCM_IN_PCLASS_INDEX + ptobnum] |
2e0b6934 AW |
775 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
776 | ||
777 | name = make_class_name ("<", type_name, "-output-port>"); | |
778 | supers = scm_list_2 (super, class_output_port); | |
57898597 | 779 | scm_i_port_class[SCM_OUT_PCLASS_INDEX + ptobnum] |
2e0b6934 AW |
780 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
781 | ||
782 | name = make_class_name ("<", type_name, "-input-output-port>"); | |
783 | supers = scm_list_2 (super, class_input_output_port); | |
57898597 | 784 | scm_i_port_class[SCM_INOUT_PCLASS_INDEX + ptobnum] |
2e0b6934 | 785 | = scm_make_standard_class (meta, name, supers, SCM_EOL); |
80662eda MD |
786 | } |
787 | ||
788 | static void | |
789 | create_port_classes (void) | |
790 | { | |
c014a02e | 791 | long i; |
80662eda | 792 | |
62bd5d66 | 793 | for (i = scm_c_num_port_types () - 1; i >= 0; i--) |
80662eda MD |
794 | scm_make_port_classes (i, SCM_PTOBNAME (i)); |
795 | } | |
796 | ||
6c7dd9eb AW |
797 | SCM |
798 | scm_i_define_class_for_vtable (SCM vtable) | |
799 | { | |
800 | SCM class; | |
801 | ||
802 | scm_i_pthread_mutex_lock (&scm_i_misc_mutex); | |
803 | if (scm_is_false (vtable_class_map)) | |
804 | vtable_class_map = scm_c_make_weak_table (0, SCM_WEAK_TABLE_KIND_KEY); | |
805 | scm_i_pthread_mutex_unlock (&scm_i_misc_mutex); | |
806 | ||
807 | if (scm_is_false (scm_struct_vtable_p (vtable))) | |
808 | abort (); | |
809 | ||
810 | class = scm_weak_table_refq (vtable_class_map, vtable, SCM_BOOL_F); | |
811 | ||
812 | if (scm_is_false (class)) | |
813 | { | |
57898597 | 814 | if (SCM_UNPACK (class_class)) |
6c7dd9eb AW |
815 | { |
816 | SCM name, meta, supers; | |
817 | ||
818 | name = SCM_VTABLE_NAME (vtable); | |
819 | if (scm_is_symbol (name)) | |
820 | name = scm_string_to_symbol | |
821 | (scm_string_append | |
822 | (scm_list_3 (scm_from_latin1_string ("<"), | |
823 | scm_symbol_to_string (name), | |
824 | scm_from_latin1_string (">")))); | |
825 | else | |
826 | name = scm_from_latin1_symbol ("<>"); | |
827 | ||
828 | if (SCM_STRUCT_VTABLE_FLAG_IS_SET (vtable, SCM_VTABLE_FLAG_SETTER)) | |
829 | { | |
57898597 AW |
830 | meta = class_applicable_struct_with_setter_class; |
831 | supers = scm_list_1 (class_applicable_struct_with_setter); | |
6c7dd9eb AW |
832 | } |
833 | else if (SCM_STRUCT_VTABLE_FLAG_IS_SET (vtable, | |
834 | SCM_VTABLE_FLAG_APPLICABLE)) | |
835 | { | |
57898597 AW |
836 | meta = class_applicable_struct_class; |
837 | supers = scm_list_1 (class_applicable_struct); | |
6c7dd9eb AW |
838 | } |
839 | else | |
840 | { | |
57898597 AW |
841 | meta = class_class; |
842 | supers = scm_list_1 (class_top); | |
6c7dd9eb AW |
843 | } |
844 | ||
845 | return scm_make_standard_class (meta, name, supers, SCM_EOL); | |
846 | } | |
847 | else | |
848 | /* `create_struct_classes' will fill this in later. */ | |
849 | class = SCM_BOOL_F; | |
850 | ||
851 | /* Don't worry about races. This only happens when creating a | |
852 | vtable, which happens by definition in one thread. */ | |
853 | scm_weak_table_putq_x (vtable_class_map, vtable, class); | |
854 | } | |
855 | ||
856 | return class; | |
857 | } | |
858 | ||
80662eda | 859 | static SCM |
74b6d6e4 MD |
860 | make_struct_class (void *closure SCM_UNUSED, |
861 | SCM vtable, SCM data, SCM prev SCM_UNUSED) | |
80662eda | 862 | { |
f3c6a02c AW |
863 | if (scm_is_false (data)) |
864 | scm_i_define_class_for_vtable (vtable); | |
80662eda MD |
865 | return SCM_UNSPECIFIED; |
866 | } | |
867 | ||
868 | static void | |
869 | create_struct_classes (void) | |
870 | { | |
ea742d29 | 871 | /* FIXME: take the vtable_class_map while initializing goops? */ |
f3c6a02c AW |
872 | scm_internal_hash_fold (make_struct_class, 0, SCM_BOOL_F, |
873 | vtable_class_map); | |
80662eda MD |
874 | } |
875 | ||
c2aa5d9b AW |
876 | |
877 | \f | |
80662eda MD |
878 | |
879 | void | |
880 | scm_load_goops () | |
881 | { | |
882 | if (!goops_loaded_p) | |
abd28220 | 883 | scm_c_resolve_module ("oop goops"); |
80662eda MD |
884 | } |
885 | ||
80662eda MD |
886 | SCM |
887 | scm_ensure_accessor (SCM name) | |
888 | { | |
3f48638c AW |
889 | SCM var, gf; |
890 | ||
891 | var = scm_module_variable (scm_current_module (), name); | |
892 | if (SCM_VARIABLEP (var) && !SCM_UNBNDP (SCM_VARIABLE_REF (var))) | |
893 | gf = SCM_VARIABLE_REF (var); | |
894 | else | |
895 | gf = SCM_BOOL_F; | |
896 | ||
57898597 | 897 | if (!SCM_IS_A_P (gf, class_accessor)) |
80662eda | 898 | { |
57898597 AW |
899 | gf = scm_make (scm_list_3 (class_generic, k_name, name)); |
900 | gf = scm_make (scm_list_5 (class_accessor, | |
1afff620 | 901 | k_name, name, k_setter, gf)); |
80662eda | 902 | } |
3f48638c | 903 | |
80662eda MD |
904 | return gf; |
905 | } | |
906 | ||
80662eda | 907 | |
c2aa5d9b | 908 | \f |
51fd1cd6 | 909 | |
82ab5090 AW |
910 | SCM_DEFINE (scm_sys_goops_early_init, "%goops-early-init", 0, 0, 0, |
911 | (), | |
912 | "") | |
913 | #define FUNC_NAME s_scm_sys_goops_early_init | |
914 | { | |
51fd1cd6 | 915 | var_make_standard_class = scm_c_lookup ("make-standard-class"); |
e0590e7c | 916 | var_make = scm_c_lookup ("make"); |
f37bece4 | 917 | var_inherit_applicable = scm_c_lookup ("inherit-applicable!"); |
51fd1cd6 | 918 | |
2025a027 AW |
919 | /* For SCM_SUBCLASSP. */ |
920 | var_class_precedence_list = scm_c_lookup ("class-precedence-list"); | |
921 | ||
ade4cf4c AW |
922 | var_slot_ref = scm_c_lookup ("slot-ref"); |
923 | var_slot_set_x = scm_c_lookup ("slot-set!"); | |
924 | var_slot_bound_p = scm_c_lookup ("slot-bound?"); | |
925 | var_slot_exists_p = scm_c_lookup ("slot-exists?"); | |
926 | ||
57898597 AW |
927 | class_class = scm_variable_ref (scm_c_lookup ("<class>")); |
928 | class_top = scm_variable_ref (scm_c_lookup ("<top>")); | |
929 | class_object = scm_variable_ref (scm_c_lookup ("<object>")); | |
930 | ||
931 | class_foreign_slot = scm_variable_ref (scm_c_lookup ("<foreign-slot>")); | |
932 | class_protected = scm_variable_ref (scm_c_lookup ("<protected-slot>")); | |
933 | class_hidden = scm_variable_ref (scm_c_lookup ("<hidden-slot>")); | |
934 | class_opaque = scm_variable_ref (scm_c_lookup ("<opaque-slot>")); | |
935 | class_read_only = scm_variable_ref (scm_c_lookup ("<read-only-slot>")); | |
936 | class_self = scm_variable_ref (scm_c_lookup ("<self-slot>")); | |
937 | class_protected_opaque = scm_variable_ref (scm_c_lookup ("<protected-opaque-slot>")); | |
938 | class_protected_hidden = scm_variable_ref (scm_c_lookup ("<protected-hidden-slot>")); | |
939 | class_protected_read_only = scm_variable_ref (scm_c_lookup ("<protected-read-only-slot>")); | |
940 | class_scm = scm_variable_ref (scm_c_lookup ("<scm-slot>")); | |
941 | class_int = scm_variable_ref (scm_c_lookup ("<int-slot>")); | |
942 | class_float = scm_variable_ref (scm_c_lookup ("<float-slot>")); | |
943 | class_double = scm_variable_ref (scm_c_lookup ("<double-slot>")); | |
944 | ||
945 | /* Applicables */ | |
946 | class_procedure_class = scm_variable_ref (scm_c_lookup ("<procedure-class>")); | |
947 | class_applicable_struct_class = scm_variable_ref (scm_c_lookup ("<applicable-struct-class>")); | |
948 | class_applicable_struct_with_setter_class = | |
6c7dd9eb | 949 | scm_variable_ref (scm_c_lookup ("<applicable-struct-with-setter-class>")); |
51fd1cd6 | 950 | |
57898597 AW |
951 | class_method = scm_variable_ref (scm_c_lookup ("<method>")); |
952 | class_accessor_method = scm_variable_ref (scm_c_lookup ("<accessor-method>")); | |
953 | class_applicable = scm_variable_ref (scm_c_lookup ("<applicable>")); | |
954 | class_applicable_struct = scm_variable_ref (scm_c_lookup ("<applicable-struct>")); | |
955 | class_applicable_struct_with_setter = scm_variable_ref (scm_c_lookup ("<applicable-struct-with-setter>")); | |
956 | class_generic = scm_variable_ref (scm_c_lookup ("<generic>")); | |
957 | class_extended_generic = scm_variable_ref (scm_c_lookup ("<extended-generic>")); | |
958 | class_generic_with_setter = scm_variable_ref (scm_c_lookup ("<generic-with-setter>")); | |
959 | class_accessor = scm_variable_ref (scm_c_lookup ("<accessor>")); | |
960 | class_extended_generic_with_setter = scm_variable_ref (scm_c_lookup ("<extended-generic-with-setter>")); | |
961 | class_extended_accessor = scm_variable_ref (scm_c_lookup ("<extended-accessor>")); | |
51fd1cd6 AW |
962 | |
963 | /* Primitive types classes */ | |
57898597 AW |
964 | class_boolean = scm_variable_ref (scm_c_lookup ("<boolean>")); |
965 | class_char = scm_variable_ref (scm_c_lookup ("<char>")); | |
966 | class_list = scm_variable_ref (scm_c_lookup ("<list>")); | |
967 | class_pair = scm_variable_ref (scm_c_lookup ("<pair>")); | |
968 | class_null = scm_variable_ref (scm_c_lookup ("<null>")); | |
969 | class_string = scm_variable_ref (scm_c_lookup ("<string>")); | |
970 | class_symbol = scm_variable_ref (scm_c_lookup ("<symbol>")); | |
971 | class_vector = scm_variable_ref (scm_c_lookup ("<vector>")); | |
51fd1cd6 AW |
972 | class_foreign = scm_variable_ref (scm_c_lookup ("<foreign>")); |
973 | class_hashtable = scm_variable_ref (scm_c_lookup ("<hashtable>")); | |
974 | class_fluid = scm_variable_ref (scm_c_lookup ("<fluid>")); | |
975 | class_dynamic_state = scm_variable_ref (scm_c_lookup ("<dynamic-state>")); | |
976 | class_frame = scm_variable_ref (scm_c_lookup ("<frame>")); | |
568174d1 | 977 | class_keyword = scm_variable_ref (scm_c_lookup ("<keyword>")); |
51fd1cd6 AW |
978 | class_vm_cont = scm_variable_ref (scm_c_lookup ("<vm-continuation>")); |
979 | class_bytevector = scm_variable_ref (scm_c_lookup ("<bytevector>")); | |
980 | class_uvec = scm_variable_ref (scm_c_lookup ("<uvec>")); | |
981 | class_array = scm_variable_ref (scm_c_lookup ("<array>")); | |
982 | class_bitvector = scm_variable_ref (scm_c_lookup ("<bitvector>")); | |
57898597 AW |
983 | class_number = scm_variable_ref (scm_c_lookup ("<number>")); |
984 | class_complex = scm_variable_ref (scm_c_lookup ("<complex>")); | |
985 | class_real = scm_variable_ref (scm_c_lookup ("<real>")); | |
986 | class_integer = scm_variable_ref (scm_c_lookup ("<integer>")); | |
987 | class_fraction = scm_variable_ref (scm_c_lookup ("<fraction>")); | |
988 | class_keyword = scm_variable_ref (scm_c_lookup ("<keyword>")); | |
989 | class_unknown = scm_variable_ref (scm_c_lookup ("<unknown>")); | |
990 | class_procedure = scm_variable_ref (scm_c_lookup ("<procedure>")); | |
991 | class_primitive_generic = scm_variable_ref (scm_c_lookup ("<primitive-generic>")); | |
992 | class_port = scm_variable_ref (scm_c_lookup ("<port>")); | |
993 | class_input_port = scm_variable_ref (scm_c_lookup ("<input-port>")); | |
994 | class_output_port = scm_variable_ref (scm_c_lookup ("<output-port>")); | |
995 | class_input_output_port = scm_variable_ref (scm_c_lookup ("<input-output-port>")); | |
51fd1cd6 | 996 | |
82ab5090 AW |
997 | create_smob_classes (); |
998 | create_struct_classes (); | |
999 | create_port_classes (); | |
1000 | ||
82ab5090 AW |
1001 | return SCM_UNSPECIFIED; |
1002 | } | |
1003 | #undef FUNC_NAME | |
1004 | ||
398d8ee1 KN |
1005 | SCM_DEFINE (scm_sys_goops_loaded, "%goops-loaded", 0, 0, 0, |
1006 | (), | |
6bcefd15 MG |
1007 | "Announce that GOOPS is loaded and perform initialization\n" |
1008 | "on the C level which depends on the loaded GOOPS modules.") | |
398d8ee1 | 1009 | #define FUNC_NAME s_scm_sys_goops_loaded |
80662eda MD |
1010 | { |
1011 | goops_loaded_p = 1; | |
48c981c9 AW |
1012 | var_class_name = scm_c_lookup ("class-name"); |
1013 | var_class_direct_supers = scm_c_lookup ("class-direct-supers"); | |
1014 | var_class_direct_slots = scm_c_lookup ("class-direct-slots"); | |
1015 | var_class_direct_subclasses = scm_c_lookup ("class-direct-subclasses"); | |
1016 | var_class_direct_methods = scm_c_lookup ("class-direct-methods"); | |
48c981c9 AW |
1017 | var_class_slots = scm_c_lookup ("class-slots"); |
1018 | ||
1019 | var_generic_function_methods = scm_c_lookup ("generic-function-methods"); | |
1020 | var_method_generic_function = scm_c_lookup ("method-generic-function"); | |
1021 | var_method_specializers = scm_c_lookup ("method-specializers"); | |
1022 | var_method_procedure = scm_c_lookup ("method-procedure"); | |
1023 | ||
5a6165db | 1024 | var_change_class = scm_c_lookup ("change-class"); |
623559f3 AW |
1025 | |
1026 | #if (SCM_ENABLE_DEPRECATED == 1) | |
1027 | scm_init_deprecated_goops (); | |
1028 | #endif | |
1029 | ||
80662eda MD |
1030 | return SCM_UNSPECIFIED; |
1031 | } | |
398d8ee1 | 1032 | #undef FUNC_NAME |
80662eda | 1033 | |
6ab19396 AW |
1034 | static void |
1035 | scm_init_goops_builtins (void *unused) | |
80662eda | 1036 | { |
abd28220 | 1037 | scm_module_goops = scm_current_module (); |
80662eda | 1038 | |
bb764c0e | 1039 | hell = scm_calloc (hell_size * sizeof (*hell)); |
f39448c5 | 1040 | hell_mutex = scm_make_mutex (); |
80662eda | 1041 | |
82ab5090 | 1042 | #include "libguile/goops.x" |
761338f6 AW |
1043 | |
1044 | scm_c_define ("vtable-flag-vtable", | |
1045 | scm_from_int (SCM_VTABLE_FLAG_VTABLE)); | |
1046 | scm_c_define ("vtable-flag-applicable-vtable", | |
1047 | scm_from_int (SCM_VTABLE_FLAG_APPLICABLE_VTABLE)); | |
1048 | scm_c_define ("vtable-flag-setter-vtable", | |
1049 | scm_from_int (SCM_VTABLE_FLAG_SETTER_VTABLE)); | |
1050 | scm_c_define ("vtable-flag-validated", | |
1051 | scm_from_int (SCM_VTABLE_FLAG_VALIDATED)); | |
1052 | scm_c_define ("vtable-flag-goops-class", | |
1053 | scm_from_int (SCM_VTABLE_FLAG_GOOPS_CLASS)); | |
1054 | scm_c_define ("vtable-flag-goops-valid", | |
1055 | scm_from_int (SCM_VTABLE_FLAG_GOOPS_VALID)); | |
e437c50b AW |
1056 | scm_c_define ("vtable-flag-goops-slot", |
1057 | scm_from_int (SCM_VTABLE_FLAG_GOOPS_SLOT)); | |
26350edc AW |
1058 | scm_c_define ("vtable-flag-goops-static", |
1059 | scm_from_int (SCM_VTABLE_FLAG_GOOPS_STATIC)); | |
80662eda MD |
1060 | } |
1061 | ||
1062 | void | |
abd28220 | 1063 | scm_init_goops () |
80662eda | 1064 | { |
6ab19396 AW |
1065 | scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION, |
1066 | "scm_init_goops_builtins", scm_init_goops_builtins, | |
1067 | NULL); | |
80662eda | 1068 | } |
23437298 DH |
1069 | |
1070 | /* | |
1071 | Local Variables: | |
1072 | c-file-style: "gnu" | |
1073 | End: | |
1074 | */ |