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, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
5   2004, 2005, 2007, 2009 Free Software Foundation, Inc.
6
7This file is part of GCC.
8
9GCC is free software; you can redistribute it and/or modify it under
10the terms of the GNU General Public License as published by the Free
11Software Foundation; either version 3, or (at your option) any later
12version.
13
14GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15WARRANTY; without even the implied warranty of MERCHANTABILITY or
16FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
17for more details.
18
19You should have received a copy of the GNU General Public License
20along with GCC; see the file COPYING3.  If not see
21<http://www.gnu.org/licenses/>.  */
22
23#include "config.h"
24#include "system.h"
25#include "coretypes.h"
26#include "tree.h"
27#include "c-common.h"
28
29tree
30objc_is_class_name (tree ARG_UNUSED (arg))
31{
32  return 0;
33}
34
35tree
36objc_is_id (tree ARG_UNUSED (arg))
37{
38  return 0;
39}
40
41tree
42objc_is_object_ptr (tree ARG_UNUSED (arg))
43{
44  return 0;
45}
46
47tree
48objc_lookup_ivar (tree other, tree ARG_UNUSED (arg))
49{
50  /* Just use whatever C/C++ found.  */
51  return other;
52}
53
54void
55objc_check_decl (tree ARG_UNUSED (decl))
56{
57}
58
59int
60objc_is_reserved_word (tree ARG_UNUSED (ident))
61{
62  return 0;
63}
64
65bool
66objc_compare_types (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp),
67		    int ARG_UNUSED (argno), tree ARG_UNUSED (callee))
68{
69  return false;
70}
71
72void
73objc_volatilize_decl (tree ARG_UNUSED (decl))
74{
75}
76
77bool
78objc_type_quals_match (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp))
79{
80  return false;
81}
82
83tree
84objc_rewrite_function_call (tree function, tree ARG_UNUSED (first_param))
85{
86  return function;
87}
88
89tree
90objc_message_selector (void)
91{
92  return 0;
93}
94
95void
96objc_declare_alias (tree ARG_UNUSED (alias), tree ARG_UNUSED (orig))
97{
98}
99
100void
101objc_declare_class (tree ARG_UNUSED (list))
102{
103}
104
105void
106objc_declare_protocols (tree ARG_UNUSED (list))
107{
108}
109
110void
111objc_start_protocol (tree ARG_UNUSED (proto),
112		     tree ARG_UNUSED (protorefs))
113{
114}
115
116void
117objc_start_class_interface (tree ARG_UNUSED (name),
118			    tree ARG_UNUSED (super),
119			    tree ARG_UNUSED (protos))
120{
121}
122
123void
124objc_start_category_interface (tree ARG_UNUSED (name),
125			       tree ARG_UNUSED (categ),
126			       tree ARG_UNUSED (protos))
127{
128}
129
130void
131objc_continue_interface (void)
132{
133}
134
135void
136objc_finish_interface (void)
137{
138}
139
140void
141objc_add_instance_variable (tree ARG_UNUSED (decl))
142{
143}
144
145void
146objc_set_visibility (int ARG_UNUSED (vis))
147{
148}
149
150void
151objc_set_method_type (enum tree_code ARG_UNUSED (code))
152{
153}
154
155void
156objc_start_class_implementation (tree ARG_UNUSED (name),
157				 tree ARG_UNUSED (super))
158{
159}
160
161void
162objc_start_category_implementation (tree ARG_UNUSED (name),
163				    tree ARG_UNUSED (categ))
164{
165}
166
167void
168objc_continue_implementation (void)
169{
170}
171
172void
173objc_clear_super_receiver (void)
174{
175}
176
177void
178objc_finish_implementation (void)
179{
180}
181
182void
183objc_add_method_declaration (tree ARG_UNUSED (signature))
184{
185}
186
187void
188objc_start_method_definition (tree ARG_UNUSED (signature))
189{
190}
191
192void
193objc_finish_method_definition (tree ARG_UNUSED (fndecl))
194{
195}
196
197tree
198objc_build_keyword_decl (tree ARG_UNUSED (selector),
199			 tree ARG_UNUSED (type),
200			 tree ARG_UNUSED (identifier))
201{
202  return 0;
203}
204
205tree
206objc_build_method_signature (tree ARG_UNUSED (rettype),
207			     tree ARG_UNUSED (selectors),
208			     tree ARG_UNUSED (optparms),
209			     bool ARG_UNUSED (ellipsis))
210{
211  return 0;
212}
213
214tree
215objc_build_encode_expr (tree ARG_UNUSED (expr))
216{
217  return 0;
218}
219
220tree
221objc_build_protocol_expr (tree ARG_UNUSED (expr))
222{
223  return 0;
224}
225
226tree
227objc_build_selector_expr (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr))
228{
229  return 0;
230}
231
232tree
233objc_build_message_expr (tree ARG_UNUSED (expr))
234{
235  return 0;
236}
237
238tree
239objc_build_string_object (tree ARG_UNUSED (str))
240{
241  return 0;
242}
243
244tree
245objc_get_class_reference (tree ARG_UNUSED (name))
246{
247  return 0;
248}
249
250tree
251objc_get_protocol_qualified_type (tree ARG_UNUSED (name),
252				  tree ARG_UNUSED (protos))
253{
254  return 0;
255}
256
257int
258objc_static_init_needed_p (void)
259{
260  return 0;
261}
262
263tree
264objc_generate_static_init_call (tree ARG_UNUSED (ctors))
265{
266  return 0;
267}
268
269int
270objc_is_public (tree ARG_UNUSED (expr), tree ARG_UNUSED (identifier))
271{
272  return 1;
273}
274
275tree
276objc_get_class_ivars (tree ARG_UNUSED (name))
277{
278  return 0;
279}
280
281tree
282objc_build_throw_stmt (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr))
283{
284  return 0;
285}
286
287tree
288objc_build_synchronized (location_t ARG_UNUSED (start_locus),
289			 tree ARG_UNUSED (mutex), tree ARG_UNUSED (body))
290{
291  return 0;
292}
293
294void
295objc_begin_try_stmt (location_t ARG_UNUSED (try_locus), tree ARG_UNUSED (body))
296{
297}
298
299void
300objc_begin_catch_clause (tree ARG_UNUSED (decl))
301{
302}
303
304void
305objc_finish_catch_clause (void)
306{
307}
308
309void
310objc_build_finally_clause (location_t ARG_UNUSED (finally_locus),
311			   tree ARG_UNUSED (body))
312{
313}
314
315tree
316objc_finish_try_stmt (void)
317{
318  return 0;
319}
320
321tree
322objc_generate_write_barrier (tree ARG_UNUSED (lhs),
323			     enum tree_code ARG_UNUSED (modifycode),
324			     tree ARG_UNUSED (rhs))
325{
326  return 0;
327}
328