gcc/c-family/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, 2009 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 (first_param))
  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 bool
 188 objc_start_method_definition (tree ARG_UNUSED (signature))
 189 {
 190   return true;
 191 }
 192
 193 void
 194 objc_finish_method_definition (tree ARG_UNUSED (fndecl))
 195 {
 196 }
 197
 198 tree
 199 objc_build_keyword_decl (tree ARG_UNUSED (selector),
 200                          tree ARG_UNUSED (type),
 201                          tree ARG_UNUSED (identifier))
 202 {
 203   return 0;
 204 }
 205
 206 tree
 207 objc_build_method_signature (tree ARG_UNUSED (rettype),
 208                              tree ARG_UNUSED (selectors),
 209                              tree ARG_UNUSED (optparms),
 210                              bool ARG_UNUSED (ellipsis))
 211 {
 212   return 0;
 213 }
 214
 215 tree
 216 objc_build_encode_expr (tree ARG_UNUSED (expr))
 217 {
 218   return 0;
 219 }
 220
 221 tree
 222 objc_build_protocol_expr (tree ARG_UNUSED (expr))
 223 {
 224   return 0;
 225 }
 226
 227 tree
 228 objc_build_selector_expr (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr))
 229 {
 230   return 0;
 231 }
 232
 233 tree
 234 objc_build_message_expr (tree ARG_UNUSED (expr))
 235 {
 236   return 0;
 237 }
 238
 239 tree
 240 objc_build_string_object (tree ARG_UNUSED (str))
 241 {
 242   return 0;
 243 }
 244
 245 tree
 246 objc_get_class_reference (tree ARG_UNUSED (name))
 247 {
 248   return 0;
 249 }
 250
 251 tree
 252 objc_get_interface_ivars (tree ARG_UNUSED (fieldlist))
 253 {
 254   return 0;
 255 }
 256
 257 tree
 258 objc_get_protocol_qualified_type (tree ARG_UNUSED (name),
 259                                   tree ARG_UNUSED (protos))
 260 {
 261   return 0;
 262 }
 263
 264 int
 265 objc_static_init_needed_p (void)
 266 {
 267   return 0;
 268 }
 269
 270 tree
 271 objc_generate_static_init_call (tree ARG_UNUSED (ctors))
 272 {
 273   return 0;
 274 }
 275
 276 int
 277 objc_is_public (tree ARG_UNUSED (expr), tree ARG_UNUSED (identifier))
 278 {
 279   return 1;
 280 }
 281
 282 tree
 283 objc_get_class_ivars (tree ARG_UNUSED (name))
 284 {
 285   return 0;
 286 }
 287
 288 tree
 289 objc_build_throw_stmt (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr))
 290 {
 291   return 0;
 292 }
 293
 294 tree
 295 objc_build_synchronized (location_t ARG_UNUSED (start_locus),
 296                          tree ARG_UNUSED (mutex), tree ARG_UNUSED (body))
 297 {
 298   return 0;
 299 }
 300
 301 void
 302 objc_begin_try_stmt (location_t ARG_UNUSED (try_locus), tree ARG_UNUSED (body))
 303 {
 304 }
 305
 306 void
 307 objc_begin_catch_clause (tree ARG_UNUSED (decl))
 308 {
 309 }
 310
 311 void
 312 objc_finish_catch_clause (void)
 313 {
 314 }
 315
 316 void
 317 objc_build_finally_clause (location_t ARG_UNUSED (finally_locus),
 318                            tree ARG_UNUSED (body))
 319 {
 320 }
 321
 322 tree
 323 objc_finish_try_stmt (void)
 324 {
 325   return 0;
 326 }
 327
 328 tree
 329 objc_generate_write_barrier (tree ARG_UNUSED (lhs),
 330                              enum tree_code ARG_UNUSED (modifycode),
 331                              tree ARG_UNUSED (rhs))
 332 {
 333   return 0;
 334 }