1 | /* Stub functions for Objective-C and Objective-C++ routines |
2 | that are called from within the C and C++ front-ends, |
3 | respectively. |
4 | Copyright (C) 1991-2023 Free Software Foundation, Inc. |
5 | |
6 | This file is part of GCC. |
7 | |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free |
10 | Software Foundation; either version 3, or (at your option) any later |
11 | version. |
12 | |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
16 | for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ |
21 | |
22 | #include "config.h" |
23 | #include "system.h" |
24 | #include "coretypes.h" |
25 | #include "tree.h" |
26 | #include "vec.h" |
27 | |
28 | #include "c-common.h" /* for enum rid. */ |
29 | #include "c-objc.h" |
30 | |
31 | tree |
32 | objc_is_class_name (tree ARG_UNUSED (arg)) |
33 | { |
34 | return 0; |
35 | } |
36 | |
37 | tree |
38 | objc_is_id (tree ARG_UNUSED (arg)) |
39 | { |
40 | return 0; |
41 | } |
42 | |
43 | tree |
44 | objc_is_object_ptr (tree ARG_UNUSED (arg)) |
45 | { |
46 | return 0; |
47 | } |
48 | |
49 | bool objc_diagnose_private_ivar (tree ARG_UNUSED (arg)) |
50 | { |
51 | return false; |
52 | } |
53 | |
54 | tree |
55 | objc_lookup_ivar (tree other, tree ARG_UNUSED (arg)) |
56 | { |
57 | /* Just use whatever C/C++ found. */ |
58 | return other; |
59 | } |
60 | |
61 | void |
62 | objc_check_decl (tree ARG_UNUSED (decl)) |
63 | { |
64 | } |
65 | |
66 | void |
67 | objc_check_global_decl (tree ARG_UNUSED (decl)) |
68 | { |
69 | } |
70 | |
71 | tree |
72 | objc_common_type (tree ARG_UNUSED (type1), tree ARG_UNUSED (type2)) |
73 | { |
74 | return 0; |
75 | } |
76 | |
77 | bool |
78 | objc_compare_types (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp), |
79 | int ARG_UNUSED (argno), tree ARG_UNUSED (callee)) |
80 | { |
81 | return false; |
82 | } |
83 | |
84 | bool |
85 | objc_have_common_type (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp), |
86 | int ARG_UNUSED (argno), tree ARG_UNUSED (callee)) |
87 | { |
88 | return false; |
89 | } |
90 | |
91 | void |
92 | objc_volatilize_decl (tree ARG_UNUSED (decl)) |
93 | { |
94 | } |
95 | |
96 | tree |
97 | objc_rewrite_function_call (tree function, tree ARG_UNUSED (first_param)) |
98 | { |
99 | return function; |
100 | } |
101 | |
102 | tree |
103 | objc_message_selector (void) |
104 | { |
105 | return 0; |
106 | } |
107 | |
108 | void |
109 | objc_declare_alias (tree ARG_UNUSED (alias), tree ARG_UNUSED (orig)) |
110 | { |
111 | } |
112 | |
113 | void |
114 | objc_declare_class (tree ARG_UNUSED (identifier)) |
115 | { |
116 | } |
117 | |
118 | void |
119 | objc_declare_protocol (tree ARG_UNUSED (name), tree ARG_UNUSED (attributes)) |
120 | { |
121 | } |
122 | |
123 | void |
124 | objc_start_protocol (tree ARG_UNUSED (proto), |
125 | tree ARG_UNUSED (protorefs), |
126 | tree ARG_UNUSED (attribs)) |
127 | { |
128 | } |
129 | |
130 | void |
131 | objc_set_method_opt (bool ARG_UNUSED (optional)) |
132 | { |
133 | } |
134 | |
135 | void |
136 | objc_start_class_interface (tree ARG_UNUSED (name), |
137 | location_t /*name_loc*/, |
138 | tree ARG_UNUSED (super), |
139 | tree ARG_UNUSED (protos), |
140 | tree ARG_UNUSED (attribs)) |
141 | { |
142 | } |
143 | |
144 | void |
145 | objc_start_category_interface (tree ARG_UNUSED (name), |
146 | tree ARG_UNUSED (categ), |
147 | tree ARG_UNUSED (protos), |
148 | tree ARG_UNUSED (attribs)) |
149 | { |
150 | } |
151 | |
152 | void |
153 | objc_continue_interface (void) |
154 | { |
155 | } |
156 | |
157 | void |
158 | objc_finish_interface (void) |
159 | { |
160 | } |
161 | |
162 | void |
163 | objc_add_instance_variable (tree ARG_UNUSED (decl)) |
164 | { |
165 | } |
166 | |
167 | void |
168 | objc_set_visibility (objc_ivar_visibility_kind ARG_UNUSED (vis)) |
169 | { |
170 | } |
171 | |
172 | void |
173 | objc_start_class_implementation (tree ARG_UNUSED (name), |
174 | tree ARG_UNUSED (super)) |
175 | { |
176 | } |
177 | |
178 | void |
179 | objc_start_category_implementation (tree ARG_UNUSED (name), |
180 | tree ARG_UNUSED (categ)) |
181 | { |
182 | } |
183 | |
184 | void |
185 | objc_continue_implementation (void) |
186 | { |
187 | } |
188 | |
189 | void |
190 | objc_clear_super_receiver (void) |
191 | { |
192 | } |
193 | |
194 | void |
195 | objc_finish_implementation (void) |
196 | { |
197 | } |
198 | |
199 | void |
200 | objc_add_method_declaration (bool ARG_UNUSED (is_class_method), |
201 | tree ARG_UNUSED (signature), |
202 | tree ARG_UNUSED (attributes)) |
203 | { |
204 | } |
205 | |
206 | bool |
207 | objc_start_method_definition (bool ARG_UNUSED (is_class_method), |
208 | tree ARG_UNUSED (signature), |
209 | tree ARG_UNUSED (attributes), |
210 | tree ARG_UNUSED (expr)) |
211 | { |
212 | return true; |
213 | } |
214 | |
215 | void |
216 | objc_finish_method_definition (tree ARG_UNUSED (fndecl)) |
217 | { |
218 | } |
219 | |
220 | bool |
221 | objc_method_decl (enum tree_code ARG_UNUSED(opcode)) |
222 | { |
223 | return false; |
224 | } |
225 | |
226 | tree |
227 | objc_build_keyword_decl (tree ARG_UNUSED (selector), |
228 | tree ARG_UNUSED (type), |
229 | tree ARG_UNUSED (identifier), |
230 | tree ARG_UNUSED (attributes)) |
231 | { |
232 | return 0; |
233 | } |
234 | |
235 | tree |
236 | objc_build_method_signature (bool ARG_UNUSED (is_class_method), |
237 | tree ARG_UNUSED (rettype), |
238 | tree ARG_UNUSED (selectors), |
239 | tree ARG_UNUSED (optparms), |
240 | bool ARG_UNUSED (ellipsis)) |
241 | { |
242 | return 0; |
243 | } |
244 | |
245 | tree |
246 | objc_build_encode_expr (tree ARG_UNUSED (expr)) |
247 | { |
248 | return 0; |
249 | } |
250 | |
251 | tree |
252 | objc_build_protocol_expr (tree ARG_UNUSED (expr)) |
253 | { |
254 | return 0; |
255 | } |
256 | |
257 | tree |
258 | objc_build_selector_expr (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr)) |
259 | { |
260 | return 0; |
261 | } |
262 | |
263 | tree |
264 | objc_build_message_expr (tree ARG_UNUSED (receiver), tree ARG_UNUSED (args)) |
265 | { |
266 | return 0; |
267 | } |
268 | |
269 | tree |
270 | objc_build_string_object (tree ARG_UNUSED (str)) |
271 | { |
272 | return 0; |
273 | } |
274 | |
275 | tree |
276 | objc_get_class_reference (tree ARG_UNUSED (name)) |
277 | { |
278 | return 0; |
279 | } |
280 | |
281 | bool |
282 | objc_detect_field_duplicates (bool ARG_UNUSED (check_superclasses_only)) |
283 | { |
284 | return false; |
285 | } |
286 | |
287 | tree |
288 | objc_get_protocol_qualified_type (tree ARG_UNUSED (name), |
289 | tree ARG_UNUSED (protos)) |
290 | { |
291 | return 0; |
292 | } |
293 | |
294 | int |
295 | objc_static_init_needed_p (void) |
296 | { |
297 | return 0; |
298 | } |
299 | |
300 | tree |
301 | objc_generate_static_init_call (tree ARG_UNUSED (ctors)) |
302 | { |
303 | return 0; |
304 | } |
305 | |
306 | int |
307 | objc_is_public (tree ARG_UNUSED (expr), tree ARG_UNUSED (identifier)) |
308 | { |
309 | return 1; |
310 | } |
311 | |
312 | tree |
313 | objc_get_class_ivars (tree ARG_UNUSED (name)) |
314 | { |
315 | return 0; |
316 | } |
317 | |
318 | void |
319 | objc_add_property_declaration (location_t ARG_UNUSED (location), |
320 | tree ARG_UNUSED (decl), |
321 | vec<property_attribute_info *>& |
322 | /*prop_attr_list*/) |
323 | { |
324 | } |
325 | |
326 | bool |
327 | objc_is_property_ref (tree ARG_UNUSED (node)) |
328 | { |
329 | return 0; |
330 | } |
331 | |
332 | bool |
333 | objc_non_constant_expr_p (tree) |
334 | { |
335 | return 0; |
336 | } |
337 | |
338 | tree |
339 | objc_maybe_build_component_ref (tree ARG_UNUSED (datum), tree ARG_UNUSED (component)) |
340 | { |
341 | return 0; |
342 | } |
343 | |
344 | tree |
345 | objc_build_class_component_ref (tree ARG_UNUSED (datum), tree ARG_UNUSED (component)) |
346 | { |
347 | return 0; |
348 | } |
349 | |
350 | tree |
351 | objc_maybe_build_modify_expr (tree ARG_UNUSED (lhs), tree ARG_UNUSED (rhs)) |
352 | { |
353 | return 0; |
354 | } |
355 | |
356 | tree |
357 | objc_build_incr_expr_for_property_ref (location_t ARG_UNUSED (location), |
358 | enum tree_code ARG_UNUSED (code), |
359 | tree ARG_UNUSED (argument), |
360 | tree ARG_UNUSED (increment)) |
361 | { |
362 | return 0; |
363 | } |
364 | |
365 | void |
366 | objc_add_synthesize_declaration (location_t ARG_UNUSED (start_locus), |
367 | tree ARG_UNUSED (property_and_ivar_list)) |
368 | { |
369 | } |
370 | |
371 | void |
372 | objc_add_dynamic_declaration (location_t ARG_UNUSED (start_locus), |
373 | tree ARG_UNUSED (property_list)) |
374 | { |
375 | } |
376 | |
377 | const char * |
378 | objc_maybe_printable_name (tree ARG_UNUSED (decl), |
379 | int ARG_UNUSED (v)) |
380 | { |
381 | return NULL; |
382 | } |
383 | |
384 | tree |
385 | objc_build_throw_stmt (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr)) |
386 | { |
387 | return 0; |
388 | } |
389 | |
390 | tree |
391 | objc_build_synchronized (location_t ARG_UNUSED (start_locus), |
392 | tree ARG_UNUSED (mutex), tree ARG_UNUSED (body)) |
393 | { |
394 | return 0; |
395 | } |
396 | |
397 | void |
398 | objc_begin_try_stmt (location_t ARG_UNUSED (try_locus), tree ARG_UNUSED (body)) |
399 | { |
400 | } |
401 | |
402 | void |
403 | objc_begin_catch_clause (tree ARG_UNUSED (decl)) |
404 | { |
405 | } |
406 | |
407 | void |
408 | objc_finish_catch_clause (void) |
409 | { |
410 | } |
411 | |
412 | void |
413 | objc_build_finally_clause (location_t ARG_UNUSED (finally_locus), |
414 | tree ARG_UNUSED (body)) |
415 | { |
416 | } |
417 | |
418 | tree |
419 | objc_finish_try_stmt (void) |
420 | { |
421 | return 0; |
422 | } |
423 | |
424 | tree |
425 | objc_generate_write_barrier (tree ARG_UNUSED (lhs), |
426 | enum tree_code ARG_UNUSED (modifycode), |
427 | tree ARG_UNUSED (rhs)) |
428 | { |
429 | return 0; |
430 | } |
431 | |
432 | void |
433 | objc_finish_foreach_loop (location_t ARG_UNUSED (location), tree ARG_UNUSED (object_expression), |
434 | tree ARG_UNUSED (collection_expression), tree ARG_UNUSED (for_body), |
435 | tree ARG_UNUSED (break_label), tree ARG_UNUSED (continue_label)) |
436 | { |
437 | return; |
438 | } |
439 | |
440 | void |
441 | objc_write_global_declarations (void) |
442 | { |
443 | } |
444 | |
445 | bool |
446 | objc_string_ref_type_p (tree ARG_UNUSED (strp)) |
447 | { |
448 | return false; |
449 | } |
450 | |
451 | void |
452 | objc_check_format_arg (tree ARG_UNUSED (format_arg), |
453 | tree ARG_UNUSED (args_list)) |
454 | { |
455 | } |
456 | |
457 | void |
458 | objc_finish_function (void) |
459 | { |
460 | } |
461 | |
462 | void |
463 | objc_maybe_warn_exceptions (location_t ARG_UNUSED (loc)) |
464 | { |
465 | } |
466 | |
467 | enum objc_property_attribute_kind objc_prop_attr_kind_for_rid (enum rid) |
468 | { |
469 | return OBJC_PROPERTY_ATTR_UNKNOWN; |
470 | } |
471 | |