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1 | /* classes: h_files */ |
2 | ||
3 | #ifndef GOOPSH | |
4 | #define GOOPSH | |
5 | /* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
20 | * Boston, MA 02111-1307 USA | |
21 | * | |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
25 | * The exception is that, if you link the GUILE library with other files | |
26 | * to produce an executable, this does not by itself cause the | |
27 | * resulting executable to be covered by the GNU General Public License. | |
28 | * Your use of that executable is in no way restricted on account of | |
29 | * linking the GUILE library code into it. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
34 | * This exception applies only to the code released by the | |
35 | * Free Software Foundation under the name GUILE. If you copy | |
36 | * code from other Free Software Foundation releases into a copy of | |
37 | * GUILE, as the General Public License permits, the exception does | |
38 | * not apply to the code that you add in this way. To avoid misleading | |
39 | * anyone as to the status of such modified files, you must delete | |
40 | * this exception notice from them. | |
41 | * | |
42 | * If you write modifications of your own for GUILE, it is your choice | |
43 | * whether to permit this exception to apply to your modifications. | |
44 | * If you do not wish that, delete this exception notice. */ | |
45 | \f | |
46 | ||
47 | /* This software is a derivative work of other copyrighted softwares; the | |
48 | * copyright notices of these softwares are placed in the file COPYRIGHTS | |
49 | * | |
50 | * This file is based upon stklos.h from the STk distribution by | |
51 | * Erick Gallesio <eg@unice.fr>. | |
52 | */ | |
53 | ||
54 | #include "libguile/__scm.h" | |
55 | ||
398d8ee1 KN |
56 | #include "libguile/validate.h" |
57 | ||
0518d3e2 MD |
58 | /* |
59 | * scm_class_class | |
60 | */ | |
61 | ||
62 | #define SCM_CLASS_CLASS_LAYOUT "pruosrpwpopopwururururururururpwpwpwpwpwpwpwpwpwpwpwpw" | |
63 | ||
64 | #define scm_si_layout 0 /* the struct layout */ | |
65 | #define scm_si_vcell 1 | |
66 | #define scm_si_vtable 2 | |
67 | #define scm_si_print 3 /* the struct print closure */ | |
68 | #define scm_si_proc 4 | |
69 | #define scm_si_setter 5 | |
70 | ||
71 | #define scm_si_goops_fields 6 | |
72 | ||
73 | /* Defined in libguile/objects.c: | |
74 | #define scm_si_redefined 6 The class to which class was redefined. | |
75 | #define scm_si_hashsets 7 | |
76 | */ | |
77 | #define scm_si_name 15 /* a symbol */ | |
78 | #define scm_si_direct_supers 16 /* (class ...) */ | |
79 | #define scm_si_direct_slots 17 /* ((name . options) ...) */ | |
80 | #define scm_si_direct_subclasses 18 /* (class ...) */ | |
81 | #define scm_si_direct_methods 19 /* (methods ...) */ | |
82 | #define scm_si_cpl 20 /* (class ...) */ | |
83 | #define scm_si_slotdef_class 21 | |
84 | #define scm_si_slots 22 /* ((name . options) ...) */ | |
85 | #define scm_si_name_access 23 | |
86 | #define scm_si_keyword_access 24 | |
87 | #define scm_si_nfields 25 /* an integer */ | |
88 | #define scm_si_environment 26 /* The environment in which class is built */ | |
89 | #define SCM_N_CLASS_SLOTS 27 | |
90 | ||
91 | typedef struct scm_method_t { | |
92 | SCM generic_function; | |
93 | SCM specializers; | |
94 | SCM procedure; | |
95 | } scm_method_t; | |
96 | ||
97 | #define SCM_METHOD(obj) ((scm_method_t *) SCM_STRUCT_DATA (obj)) | |
98 | ||
99 | #define SCM_CLASSF_SIMPLE_METHOD (0x004 << 20) | |
100 | #define SCM_CLASSF_ACCESSOR_METHOD (0x008 << 20) | |
101 | ||
102 | /* Defined in libguile/objects.c */ | |
103 | /* #define SCM_CLASSF_PURE_GENERIC (0x010 << 20) */ | |
104 | ||
105 | #define SCM_CLASSF_FOREIGN (0x020 << 20) | |
106 | #define SCM_CLASSF_METACLASS (0x040 << 20) | |
107 | ||
108 | /* Defined in libguile/objects.c */ | |
109 | /* #define SCM_CLASSF_GOOPS_VALID (0x080 << 20) */ | |
110 | /* #define SCM_CLASSF_GOOPS (0x100 << 20) */ | |
111 | #define SCM_CLASSF_GOOPS_OR_VALID (SCM_CLASSF_GOOPS | SCM_CLASSF_GOOPS_VALID) | |
112 | ||
113 | #define SCM_CLASSF_INHERIT (~(SCM_CLASSF_PURE_GENERIC \ | |
114 | | SCM_CLASSF_SIMPLE_METHOD \ | |
115 | | SCM_CLASSF_ACCESSOR_METHOD \ | |
116 | | SCM_STRUCTF_LIGHT) \ | |
117 | & SCM_CLASSF_MASK) | |
118 | ||
119 | #define SCM_INST(x) SCM_STRUCT_DATA (x) | |
120 | #define SCM_INST_TYPE(x) SCM_OBJ_CLASS_FLAGS (x) | |
121 | /* Also defined in libguuile/objects.c */ | |
122 | #define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x) | |
123 | #define SCM_ACCESSORS_OF(x) (SCM_STRUCT_VTABLE_DATA (x)[scm_si_getters_n_setters]) | |
124 | #define SCM_NUMBER_OF_SLOTS(x)\ | |
125 | (SCM_UNPACK (SCM_STRUCT_DATA (x)[scm_struct_i_n_words]) \ | |
126 | - scm_struct_n_extra_words) \ | |
127 | ||
128 | #define SCM_INSTANCEP(x) (SCM_STRUCTP (x) \ | |
129 | && (SCM_INST_TYPE (x) & SCM_CLASSF_GOOPS)) | |
398d8ee1 | 130 | #define SCM_VALIDATE_INSTANCE(pos, x) SCM_MAKE_VALIDATE (pos, x, INSTANCEP) |
0518d3e2 MD |
131 | |
132 | #define SCM_PUREGENERICP(x) (SCM_INST_TYPE(x) & SCM_CLASSF_PURE_GENERIC) | |
133 | #define SCM_SIMPLEMETHODP(x) (SCM_INST_TYPE(x) & SCM_CLASSF_SIMPLE_METHOD) | |
134 | #define SCM_ACCESSORP(x) (SCM_INST_TYPE(x) & SCM_CLASSF_ACCESSOR_METHOD) | |
398d8ee1 | 135 | #define SCM_VALIDATE_ACCESSOR(pos, x) SCM_MAKE_VALIDATE (pos, x, ACCESSORP) |
0518d3e2 MD |
136 | #define SCM_FASTMETHODP(x) (SCM_INST_TYPE(x) \ |
137 | & (SCM_CLASSF_ACCESSOR_METHOD \ | |
138 | | SCM_CLASSF_SIMPLE_METHOD)) | |
139 | ||
140 | #define SCM_SLOT(x, i) (SCM_INST(x)[i]) | |
79a3dafe | 141 | #define SCM_SUBCLASSP(c1, c2) (!SCM_FALSEP (scm_c_memq (c2, SCM_SLOT (c1, scm_si_cpl)))) |
0518d3e2 MD |
142 | #define SCM_IS_A_P(x, c) (SCM_NIMP (x) \ |
143 | && SCM_INSTANCEP (x) \ | |
144 | && SCM_SUBCLASSP (SCM_CLASS_OF (x), c)) | |
145 | ||
398d8ee1 KN |
146 | #define SCM_CLASSP(x) (SCM_STRUCTP (x) \ |
147 | && SCM_OBJ_CLASS_FLAGS (x) & SCM_CLASSF_METACLASS) | |
148 | #define SCM_VALIDATE_CLASS(pos, x) SCM_MAKE_VALIDATE (pos, x, CLASSP) | |
149 | #define SCM_GENERICP(x) (SCM_INSTANCEP (x) \ | |
150 | && SCM_SUBCLASSP (SCM_CLASS_OF (x), scm_class_generic)) | |
151 | #define SCM_VALIDATE_GENERIC(pos, x) SCM_MAKE_VALIDATE (pos, x, GENERICP) | |
152 | #define SCM_METHODP(x) (SCM_INSTANCEP (x) \ | |
153 | && SCM_SUBCLASSP(SCM_CLASS_OF(x), scm_class_method)) | |
154 | #define SCM_VALIDATE_METHOD(pos, x) SCM_MAKE_VALIDATE (pos, x, METHODP) | |
155 | ||
0518d3e2 MD |
156 | #define SCM_MCACHE_N_SPECIALIZED(C) SCM_CADDR (C) |
157 | #define SCM_SET_MCACHE_N_SPECIALIZED(C, X) SCM_SETCAR (SCM_CDDR (C), X) | |
158 | ||
159 | #define SCM_INITIAL_MCACHE_SIZE 1 | |
160 | ||
161 | #define scm_si_getters_n_setters scm_si_name_access | |
162 | ||
163 | #define scm_si_constructor SCM_N_CLASS_SLOTS | |
164 | #define scm_si_destructor SCM_N_CLASS_SLOTS + 1 | |
165 | ||
166 | #define scm_si_methods 0 /* offset of methods slot in a <generic> */ | |
167 | #define scm_si_n_specialized 1 | |
168 | #define scm_si_used_by 2 | |
169 | #define scm_si_cache_mutex 3 | |
170 | ||
171 | #define scm_si_generic_function 0 /* offset of gf slot in a <method> */ | |
172 | #define scm_si_specializers 1 /* offset of spec. slot in a <method> */ | |
173 | ||
174 | #define scm_si_procedure 2 /* offset of proc. slot in a <method> */ | |
175 | #define scm_si_code_table 3 /* offset of code. slot in a <method> */ | |
176 | ||
177 | /* C interface */ | |
178 | extern SCM scm_class_top, scm_class_object, scm_class_class; | |
179 | extern SCM scm_class_entity, scm_class_entity_with_setter; | |
180 | extern SCM scm_class_generic, scm_class_generic_with_setter, scm_class_method; | |
181 | extern SCM scm_class_simple_method, scm_class_accessor; | |
182 | extern SCM scm_class_procedure_class; | |
183 | extern SCM scm_class_operator_class, scm_class_operator_with_setter_class; | |
184 | extern SCM scm_class_entity_class; | |
185 | extern SCM scm_class_number, scm_class_list; | |
186 | extern SCM scm_class_keyword; | |
187 | extern SCM scm_class_port, scm_class_input_output_port; | |
188 | extern SCM scm_class_input_port, scm_class_output_port; | |
189 | extern SCM scm_class_foreign_class, scm_class_foreign_object; | |
190 | extern SCM scm_class_foreign_slot; | |
191 | extern SCM scm_class_self, scm_class_protected; | |
192 | extern SCM scm_class_opaque, scm_class_read_only; | |
193 | extern SCM scm_class_protected_opaque, scm_class_protected_read_only; | |
194 | extern SCM scm_class_scm; | |
195 | extern SCM scm_class_int, scm_class_float, scm_class_double; | |
196 | extern const char *scm_s_slot_set_x; | |
197 | ||
198 | extern SCM scm_module_goops; | |
199 | ||
200 | SCM scm_goops_version (void); | |
201 | SCM scm_oldfmt (SCM); | |
202 | char *scm_c_oldfmt0 (char *); | |
203 | char *scm_c_oldfmt (char *, int n); | |
204 | void scm_load_goops (void); | |
42b586db | 205 | SCM scm_make_foreign_object (SCM cls, SCM initargs); |
0518d3e2 MD |
206 | SCM scm_make_class (SCM meta, char *s_name, SCM supers, size_t size, |
207 | void * (*constructor) (SCM initargs), | |
208 | size_t (*destructor) (void *)); | |
209 | void scm_add_slot (SCM c, char *slot, SCM slot_class, | |
210 | SCM (*getter) (SCM obj), | |
211 | SCM (*setter) (SCM obj, SCM x), | |
212 | char *accessor_name); | |
213 | SCM scm_wrap_object (SCM c, void *); | |
214 | SCM scm_wrap_component (SCM c, SCM obj, void *); | |
215 | SCM scm_ensure_accessor (SCM name); | |
216 | void scm_add_method (SCM gf, SCM m); | |
217 | ||
218 | /* Low level functions exported */ | |
219 | SCM scm_make_next_method (SCM methods, SCM args, SCM gf); | |
220 | SCM scm_basic_basic_make_class (SCM c, SCM name, SCM dsupers, SCM dslots); | |
221 | SCM scm_basic_make_class (SCM c, SCM name, SCM dsupers, SCM dslots); | |
222 | ||
223 | /* Primitives exported */ | |
224 | SCM scm_sys_allocate_instance (SCM c, SCM initargs); | |
225 | SCM scm_sys_set_object_setter_x (SCM obj, SCM setter); | |
226 | SCM scm_slot_ref (SCM obj, SCM slot_name); | |
227 | SCM scm_slot_set_x (SCM obj, SCM slot_name, SCM value); | |
228 | ||
229 | SCM scm_compute_applicable_methods (SCM gf, SCM args, int len, int scm_find_method); | |
230 | SCM scm_sys_compute_applicable_methods (SCM gf, SCM args); | |
231 | SCM scm_m_atslot_ref (SCM xorig, SCM env); | |
232 | SCM scm_m_atslot_set_x (SCM xorig, SCM env); | |
233 | SCM scm_m_atdispatch (SCM xorig, SCM env); | |
234 | #ifdef GUILE_DEBUG | |
235 | SCM scm_pure_generic_p (SCM obj); | |
236 | #endif | |
237 | extern void scm_init_oop_goops_goopscore_module (void); | |
238 | ||
239 | SCM scm_sys_compute_slots (SCM c); | |
240 | SCM scm_i_get_keyword (SCM key, SCM l, int len, SCM default_value, const char *subr); | |
241 | SCM scm_get_keyword (SCM key, SCM l, SCM default_value); | |
242 | SCM scm_sys_initialize_object (SCM obj, SCM initargs); | |
243 | SCM scm_sys_prep_layout_x (SCM c); | |
244 | SCM scm_sys_inherit_magic_x (SCM c, SCM dsupers); | |
245 | SCM scm_instance_p (SCM obj); | |
246 | SCM scm_class_name (SCM obj); | |
247 | SCM scm_class_direct_supers (SCM obj); | |
248 | SCM scm_class_direct_slots (SCM obj); | |
249 | SCM scm_class_direct_subclasses (SCM obj); | |
250 | SCM scm_class_direct_methods (SCM obj); | |
251 | SCM scm_class_precedence_list (SCM obj); | |
252 | SCM scm_class_slots (SCM obj); | |
253 | SCM scm_class_environment (SCM obj); | |
254 | SCM scm_generic_function_name (SCM obj); | |
255 | SCM scm_generic_function_methods (SCM obj); | |
256 | SCM scm_method_generic_function (SCM obj); | |
257 | SCM scm_method_specializers (SCM obj); | |
258 | SCM scm_method_procedure (SCM obj); | |
259 | SCM scm_accessor_method_slot_definition (SCM obj); | |
260 | SCM scm_sys_fast_slot_ref (SCM obj, SCM index); | |
261 | SCM scm_sys_fast_slot_set_x (SCM obj, SCM index, SCM value); | |
42b586db MD |
262 | SCM scm_slot_ref_using_class (SCM cls, SCM obj, SCM slot_name); |
263 | SCM scm_slot_set_using_class_x (SCM cls, SCM obj, SCM slot_name, SCM value); | |
264 | SCM scm_slot_bound_using_class_p (SCM cls, SCM obj, SCM slot_name); | |
265 | SCM scm_slot_exists_using_class_p (SCM cls, SCM obj, SCM slot_name); | |
0518d3e2 MD |
266 | SCM scm_slot_bound_p (SCM obj, SCM slot_name); |
267 | SCM scm_slots_exists_p (SCM obj, SCM slot_name); | |
42b586db MD |
268 | SCM scm_sys_modify_instance (SCM old, SCM newinst); |
269 | SCM scm_sys_modify_class (SCM old, SCM newcls); | |
270 | SCM scm_sys_invalidate_class (SCM cls); | |
0518d3e2 MD |
271 | SCM scm_make_method_cache (SCM gf); |
272 | SCM scm_sys_invalidate_method_cache_x (SCM gf); | |
273 | SCM scm_generic_capability_p (SCM proc); | |
274 | SCM scm_enable_primitive_generic_x (SCM subrs); | |
275 | SCM scm_primitive_generic_generic (SCM subr); | |
276 | SCM stklos_version (void); | |
277 | SCM scm_make (SCM args); | |
278 | SCM scm_find_method (SCM args); | |
279 | SCM scm_sys_method_more_specific_p (SCM m1, SCM m2, SCM targs); | |
280 | void scm_init_goops (void); | |
281 | ||
282 | #endif /* GOOPSH */ |