gcc/stub-objc.c

   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  Free Software Foundation, Inc.
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along 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
  29 tree
  30 objc_is_class_name (tree ARG_UNUSED (arg))
  31 {
  32   return 0;
  33 }
  34
  35 tree
  36 objc_is_id (tree ARG_UNUSED (arg))
  37 {
  38   return 0;
  39 }
  40
  41 tree
  42 objc_is_object_ptr (tree ARG_UNUSED (arg))
  43 {
  44   return 0;
  45 }
  46
  47 tree
  48 objc_lookup_ivar (tree other, tree ARG_UNUSED (arg))
  49 {
  50   /* Just use whatever C/C++ found.  */
  51   return other;
  52 }
  53
  54 void
  55 objc_check_decl (tree ARG_UNUSED (decl))
  56 {
  57 }
  58
  59 int
  60 objc_is_reserved_word (tree ARG_UNUSED (ident))
  61 {
  62   return 0;
  63 }
  64
  65 bool
  66 objc_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
  72 void
  73 objc_volatilize_decl (tree ARG_UNUSED (decl))
  74 {
  75 }
  76
  77 bool
  78 objc_type_quals_match (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp))
  79 {
  80   return false;
  81 }
  82
  83 tree
  84 objc_rewrite_function_call (tree function, tree ARG_UNUSED (params))
  85 {
  86   return function;
  87 }
  88
  89 tree
  90 objc_message_selector (void)
  91 {
  92   return 0;
  93 }
  94
  95 void
  96 objc_declare_alias (tree ARG_UNUSED (alias), tree ARG_UNUSED (orig))
  97 {
  98 }
  99
 100 void
 101 objc_declare_class (tree ARG_UNUSED (list))
 102 {
 103 }
 104
 105 void
 106 objc_declare_protocols (tree ARG_UNUSED (list))
 107 {
 108 }
 109
 110 void
 111 objc_start_protocol (tree ARG_UNUSED (proto),
 112                      tree ARG_UNUSED (protorefs))
 113 {
 114 }
 115
 116 void
 117 objc_start_class_interface (tree ARG_UNUSED (name),
 118                             tree ARG_UNUSED (super),
 119                             tree ARG_UNUSED (protos))
 120 {
 121 }
 122
 123 void
 124 objc_start_category_interface (tree ARG_UNUSED (name),
 125                                tree ARG_UNUSED (categ),
 126                                tree ARG_UNUSED (protos))
 127 {
 128 }
 129
 130 void
 131 objc_continue_interface (void)
 132 {
 133 }
 134
 135 void
 136 objc_finish_interface (void)
 137 {
 138 }
 139
 140 void
 141 objc_add_instance_variable (tree ARG_UNUSED (decl))
 142 {
 143 }
 144
 145 void
 146 objc_set_visibility (int ARG_UNUSED (vis))
 147 {
 148 }
 149
 150 void
 151 objc_set_method_type (enum tree_code ARG_UNUSED (code))
 152 {
 153 }
 154
 155 void
 156 objc_start_class_implementation (tree ARG_UNUSED (name),
 157                                  tree ARG_UNUSED (super))
 158 {
 159 }
 160
 161 void
 162 objc_start_category_implementation (tree ARG_UNUSED (name),
 163                                     tree ARG_UNUSED (categ))
 164 {
 165 }
 166
 167 void
 168 objc_continue_implementation (void)
 169 {
 170 }
 171
 172 void
 173 objc_clear_super_receiver (void)
 174 {
 175 }
 176
 177 void
 178 objc_finish_implementation (void)
 179 {
 180 }
 181
 182 void
 183 objc_add_method_declaration (tree ARG_UNUSED (signature))
 184 {
 185 }
 186
 187 void
 188 objc_start_method_definition (tree ARG_UNUSED (signature))
 189 {
 190 }
 191
 192 void
 193 objc_finish_method_definition (tree ARG_UNUSED (fndecl))
 194 {
 195 }
 196
 197 tree
 198 objc_build_keyword_decl (tree ARG_UNUSED (selector),
 199                          tree ARG_UNUSED (type),
 200                          tree ARG_UNUSED (identifier))
 201 {
 202   return 0;
 203 }
 204
 205 tree
 206 objc_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
 214 tree
 215 objc_build_encode_expr (tree ARG_UNUSED (expr))
 216 {
 217   return 0;
 218 }
 219
 220 tree
 221 objc_build_protocol_expr (tree ARG_UNUSED (expr))
 222 {
 223   return 0;
 224 }
 225
 226 tree
 227 objc_build_selector_expr (tree ARG_UNUSED (expr))
 228 {
 229   return 0;
 230 }
 231
 232 tree
 233 objc_build_message_expr (tree ARG_UNUSED (expr))
 234 {
 235   return 0;
 236 }
 237
 238 tree
 239 objc_build_string_object (tree ARG_UNUSED (str))
 240 {
 241   return 0;
 242 }
 243
 244 tree
 245 objc_get_class_reference (tree ARG_UNUSED (name))
 246 {
 247   return 0;
 248 }
 249
 250 tree
 251 objc_get_protocol_qualified_type (tree ARG_UNUSED (name),
 252                                   tree ARG_UNUSED (protos))
 253 {
 254   return 0;
 255 }
 256
 257 int
 258 objc_static_init_needed_p (void)
 259 {
 260   return 0;
 261 }
 262
 263 tree
 264 objc_generate_static_init_call (tree ARG_UNUSED (ctors))
 265 {
 266   return 0;
 267 }
 268
 269 int
 270 objc_is_public (tree ARG_UNUSED (expr), tree ARG_UNUSED (identifier))
 271 {
 272   return 1;
 273 }
 274
 275 tree
 276 objc_get_class_ivars (tree ARG_UNUSED (name))
 277 {
 278   return 0;
 279 }
 280
 281 tree
 282 objc_build_throw_stmt (tree ARG_UNUSED (expr))
 283 {
 284   return 0;
 285 }
 286
 287 tree
 288 objc_build_synchronized (location_t ARG_UNUSED (start_locus),
 289                          tree ARG_UNUSED (mutex), tree ARG_UNUSED (body))
 290 {
 291   return 0;
 292 }
 293
 294 void
 295 objc_begin_try_stmt (location_t ARG_UNUSED (try_locus), tree ARG_UNUSED (body))
 296 {
 297 }
 298
 299 void
 300 objc_begin_catch_clause (tree ARG_UNUSED (decl))
 301 {
 302 }
 303
 304 void
 305 objc_finish_catch_clause (void)
 306 {
 307 }
 308
 309 void
 310 objc_build_finally_clause (location_t ARG_UNUSED (finally_locus),
 311                            tree ARG_UNUSED (body))
 312 {
 313 }
 314
 315 tree
 316 objc_finish_try_stmt (void)
 317 {
 318   return 0;
 319 }
 320
 321 tree
 322 objc_generate_write_barrier (tree ARG_UNUSED (lhs),
 323                              enum tree_code ARG_UNUSED (modifycode),
 324                              tree ARG_UNUSED (rhs))
 325 {
 326   return 0;
 327 }