gcc/objc/objc-act.h

   1 /* Declarations for objc-act.c.
   2    Copyright (C) 1990, 2000, 2001, 2002, 2003, 2004, 2005
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC 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 GCC 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 GCC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef GCC_OBJC_ACT_H
  23 #define GCC_OBJC_ACT_H
  24
  25 /*** Language hooks ***/
  26
  27 bool objc_init (void);
  28 const char *objc_printable_name (tree, int);
  29 void objc_finish_file (void);
  30 tree objc_fold_obj_type_ref (tree, tree);
  31 int objc_types_compatible_p (tree, tree);
  32
  33 /* NB: The remaining public functions are prototyped in c-common.h, for the
  34    benefit of stub-objc.c and objc-act.c.  */
  35
  36 /* Objective-C structures */
  37
  38 #define CLASS_LANG_SLOT_ELTS            5
  39 #define PROTOCOL_LANG_SLOT_ELTS         2
  40 #define OBJC_INFO_SLOT_ELTS             2
  41
  42 /* KEYWORD_DECL */
  43 #define KEYWORD_KEY_NAME(DECL) ((DECL)->decl.name)
  44 #define KEYWORD_ARG_NAME(DECL) ((DECL)->decl.arguments)
  45
  46 /* INSTANCE_METHOD_DECL, CLASS_METHOD_DECL */
  47 #define METHOD_SEL_NAME(DECL) ((DECL)->decl.name)
  48 #define METHOD_SEL_ARGS(DECL) ((DECL)->decl.arguments)
  49 #define METHOD_ADD_ARGS(DECL) ((DECL)->decl.result)
  50 #define METHOD_DEFINITION(DECL) ((DECL)->decl.initial)
  51 #define METHOD_ENCODING(DECL) ((DECL)->decl.context)
  52
  53 /* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
  54    CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
  55    PROTOCOL_INTERFACE_TYPE */
  56 #define CLASS_NAME(CLASS) ((CLASS)->type.name)
  57 #define CLASS_SUPER_NAME(CLASS) (TYPE_CHECK (CLASS)->type.context)
  58 #define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
  59 #define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
  60 #define CLASS_NST_METHODS(CLASS) ((CLASS)->type.minval)
  61 #define CLASS_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
  62 #define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
  63 #define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
  64 #define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 4)
  65 #define PROTOCOL_NAME(CLASS) ((CLASS)->type.name)
  66 #define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
  67 #define PROTOCOL_NST_METHODS(CLASS) ((CLASS)->type.minval)
  68 #define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
  69 #define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
  70 #define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
  71
  72 /* ObjC-specific information pertaining to RECORD_TYPEs are stored in
  73    the LANG_SPECIFIC structures, which may itself need allocating first.  */
  74 #define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info
  75 #define TYPE_HAS_OBJC_INFO(TYPE)                                \
  76         (TYPE_LANG_SPECIFIC (TYPE)                              \
  77          && TYPE_LANG_SPECIFIC (TYPE)->objc_info)
  78 #define TYPE_OBJC_INTERFACE(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 0)
  79 #define TYPE_OBJC_PROTOCOL_LIST(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 1)
  80
  81 #define INIT_TYPE_OBJC_INFO(TYPE)                               \
  82         do                                                      \
  83           {                                                     \
  84             if (!TYPE_LANG_SPECIFIC (TYPE))                     \
  85               TYPE_LANG_SPECIFIC (TYPE)                         \
  86                 = ALLOC_OBJC_TYPE_LANG_SPECIFIC;                        \
  87             if (!TYPE_LANG_SPECIFIC (TYPE)->objc_info)          \
  88               TYPE_LANG_SPECIFIC (TYPE)->objc_info              \
  89                 = make_tree_vec (OBJC_INFO_SLOT_ELTS);          \
  90           }                                                     \
  91         while (0)
  92 #define DUP_TYPE_OBJC_INFO(DST, SRC)                            \
  93         do                                                      \
  94           {                                                     \
  95             TYPE_LANG_SPECIFIC (DST)                            \
  96               = ALLOC_OBJC_TYPE_LANG_SPECIFIC;                  \
  97             if (TYPE_LANG_SPECIFIC (SRC))                       \
  98               memcpy (TYPE_LANG_SPECIFIC (DST),                 \
  99                       TYPE_LANG_SPECIFIC (SRC),                 \
 100                       SIZEOF_OBJC_TYPE_LANG_SPECIFIC);          \
 101             TYPE_LANG_SPECIFIC (DST)->objc_info                 \
 102               = make_tree_vec (OBJC_INFO_SLOT_ELTS);            \
 103           }                                                     \
 104         while (0)
 105
 106 /* The following two macros must be overridden (in objcp/objcp-decl.h)
 107    for Objective-C++.  */
 108 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC   GGC_CNEW (struct lang_type)
 109 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC  sizeof (struct lang_type)
 110
 111 #define TYPED_OBJECT(TYPE)                                      \
 112         (TREE_CODE (TYPE) == RECORD_TYPE                        \
 113          && TYPE_HAS_OBJC_INFO (TYPE)                           \
 114          && TYPE_OBJC_INTERFACE (TYPE))
 115 #define OBJC_TYPE_NAME(TYPE) TYPE_NAME(TYPE)
 116 #define OBJC_SET_TYPE_NAME(TYPE, NAME) (TYPE_NAME (TYPE) = NAME)
 117
 118 /* Define the Objective-C or Objective-C++ language-specific tree codes.  */
 119
 120 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
 121 enum objc_tree_code {
 122 #if defined (GCC_CP_TREE_H)
 123   LAST_BASE_TREE_CODE = LAST_CPLUS_TREE_CODE,
 124 #else
 125 #if defined (GCC_C_TREE_H)
 126   LAST_BASE_TREE_CODE = LAST_C_TREE_CODE,
 127 #else
 128   #error You must include <c-tree.h> or <cp/cp-tree.h> before <objc/objc-act.h>
 129 #endif
 130 #endif
 131 #include "objc-tree.def"
 132   LAST_OBJC_TREE_CODE
 133 };
 134 #undef DEFTREECODE
 135
 136 /* Hash tables to manage the global pool of method prototypes.  */
 137
 138 typedef struct hashed_entry     *hash;
 139 typedef struct hashed_attribute *attr;
 140
 141 struct hashed_attribute GTY(())
 142 {
 143   attr next;
 144   tree value;
 145 };
 146 struct hashed_entry GTY(())
 147 {
 148   attr list;
 149   hash next;
 150   tree key;
 151 };
 152
 153 extern GTY ((length ("SIZEHASHTABLE"))) hash *nst_method_hash_list;
 154 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_method_hash_list;
 155
 156 #define SIZEHASHTABLE           257
 157
 158 /* Objective-C/Objective-C++ @implementation list.  */
 159
 160 struct imp_entry GTY(())
 161 {
 162   struct imp_entry *next;
 163   tree imp_context;
 164   tree imp_template;
 165   tree class_decl;              /* _OBJC_CLASS_<my_name>; */
 166   tree meta_decl;               /* _OBJC_METACLASS_<my_name>; */
 167 };
 168
 169 extern GTY(()) struct imp_entry *imp_list;
 170 extern GTY(()) int imp_count;   /* `@implementation' */
 171 extern GTY(()) int cat_count;   /* `@category' */
 172
 173 extern GTY(()) enum tree_code objc_inherit_code;
 174 extern GTY(()) int objc_public_flag;
 175
 176 /* Objective-C/Objective-C++ global tree enumeration.  */
 177
 178 enum objc_tree_index
 179 {
 180     OCTI_STATIC_NST,
 181     OCTI_STATIC_NST_DECL,
 182     OCTI_SELF_ID,
 183     OCTI_UCMD_ID,
 184     OCTI_UNUSED_LIST,
 185
 186     OCTI_SELF_DECL,
 187     OCTI_UMSG_DECL,
 188     OCTI_UMSG_SUPER_DECL,
 189     OCTI_UMSG_STRET_DECL,
 190     OCTI_UMSG_SUPER_STRET_DECL,
 191     OCTI_GET_CLASS_DECL,
 192     OCTI_GET_MCLASS_DECL,
 193     OCTI_SUPER_TYPE,
 194     OCTI_SEL_TYPE,
 195     OCTI_ID_TYPE,
 196     OCTI_CLS_TYPE,
 197     OCTI_NST_TYPE,
 198     OCTI_PROTO_TYPE,
 199
 200     OCTI_CLS_CHAIN,
 201     OCTI_ALIAS_CHAIN,
 202     OCTI_INTF_CHAIN,
 203     OCTI_PROTO_CHAIN,
 204     OCTI_IMPL_CHAIN,
 205     OCTI_CLS_REF_CHAIN,
 206     OCTI_SEL_REF_CHAIN,
 207     OCTI_IVAR_CHAIN,
 208     OCTI_CLS_NAMES_CHAIN,
 209     OCTI_METH_VAR_NAMES_CHAIN,
 210     OCTI_METH_VAR_TYPES_CHAIN,
 211
 212     OCTI_SYMBOLS_DECL,
 213     OCTI_NST_VAR_DECL,
 214     OCTI_CLS_VAR_DECL,
 215     OCTI_NST_METH_DECL,
 216     OCTI_CLS_METH_DECL,
 217     OCTI_CLS_DECL,
 218     OCTI_MCLS_DECL,
 219     OCTI_SEL_TABLE_DECL,
 220     OCTI_MODULES_DECL,
 221     OCTI_GNU_INIT_DECL,
 222
 223     OCTI_INTF_CTX,
 224     OCTI_IMPL_CTX,
 225     OCTI_METH_CTX,
 226     OCTI_IVAR_CTX,
 227
 228     OCTI_IMPL_TEMPL,
 229     OCTI_CLS_TEMPL,
 230     OCTI_CAT_TEMPL,
 231     OCTI_UPRIV_REC,
 232     OCTI_PROTO_TEMPL,
 233     OCTI_SEL_TEMPL,
 234     OCTI_UCLS_SUPER_REF,
 235     OCTI_UUCLS_SUPER_REF,
 236     OCTI_METH_TEMPL,
 237     OCTI_IVAR_TEMPL,
 238     OCTI_SYMTAB_TEMPL,
 239     OCTI_MODULE_TEMPL,
 240     OCTI_SUPER_TEMPL,
 241     OCTI_OBJ_REF,
 242     OCTI_CLS_REF,
 243     OCTI_METH_PROTO_TEMPL,
 244     OCTI_FUNCTION1_TEMPL,
 245     OCTI_FUNCTION2_TEMPL,
 246
 247     OCTI_OBJ_ID,
 248     OCTI_CLS_ID,
 249     OCTI_ID_NAME,
 250     OCTI_CLASS_NAME,
 251     OCTI_CNST_STR_ID,
 252     OCTI_CNST_STR_TYPE,
 253     OCTI_CNST_STR_GLOB_ID,
 254     OCTI_STRING_CLASS_DECL,
 255     OCTI_SUPER_DECL,
 256     OCTI_UMSG_NONNIL_DECL,
 257     OCTI_UMSG_NONNIL_STRET_DECL,
 258     OCTI_STORAGE_CLS,
 259     OCTI_EXCEPTION_EXTRACT_DECL,
 260     OCTI_EXCEPTION_TRY_ENTER_DECL,
 261     OCTI_EXCEPTION_TRY_EXIT_DECL,
 262     OCTI_EXCEPTION_MATCH_DECL,
 263     OCTI_EXCEPTION_THROW_DECL,
 264     OCTI_SYNC_ENTER_DECL,
 265     OCTI_SYNC_EXIT_DECL,
 266     OCTI_SETJMP_DECL,
 267     OCTI_EXCDATA_TEMPL,
 268     OCTI_STACK_EXCEPTION_DATA_DECL,
 269     OCTI_LOCAL_EXCEPTION_DECL,
 270     OCTI_RETHROW_EXCEPTION_DECL,
 271     OCTI_EVAL_ONCE_DECL,
 272     OCTI_CATCH_TYPE,
 273     OCTI_EXECCLASS_DECL,
 274
 275     OCTI_MAX
 276 };
 277
 278 extern GTY(()) tree objc_global_trees[OCTI_MAX];
 279
 280 /* List of classes with list of their static instances.  */
 281 #define objc_static_instances   objc_global_trees[OCTI_STATIC_NST]
 282
 283 /* The declaration of the array administrating the static instances.  */
 284 #define static_instances_decl   objc_global_trees[OCTI_STATIC_NST_DECL]
 285
 286 /* Some commonly used instances of "identifier_node".  */
 287
 288 #define self_id                 objc_global_trees[OCTI_SELF_ID]
 289 #define ucmd_id                 objc_global_trees[OCTI_UCMD_ID]
 290 #define unused_list             objc_global_trees[OCTI_UNUSED_LIST]
 291
 292 #define self_decl               objc_global_trees[OCTI_SELF_DECL]
 293 #define umsg_decl               objc_global_trees[OCTI_UMSG_DECL]
 294 #define umsg_super_decl         objc_global_trees[OCTI_UMSG_SUPER_DECL]
 295 #define umsg_stret_decl         objc_global_trees[OCTI_UMSG_STRET_DECL]
 296 #define umsg_super_stret_decl   objc_global_trees[OCTI_UMSG_SUPER_STRET_DECL]
 297 #define objc_get_class_decl     objc_global_trees[OCTI_GET_CLASS_DECL]
 298 #define objc_get_meta_class_decl                        \
 299                                 objc_global_trees[OCTI_GET_MCLASS_DECL]
 300
 301 #define objc_super_type         objc_global_trees[OCTI_SUPER_TYPE]
 302 #define objc_selector_type              objc_global_trees[OCTI_SEL_TYPE]
 303 #define objc_object_type        objc_global_trees[OCTI_ID_TYPE]
 304 #define objc_class_type         objc_global_trees[OCTI_CLS_TYPE]
 305 #define objc_instance_type      objc_global_trees[OCTI_NST_TYPE]
 306 #define objc_protocol_type      objc_global_trees[OCTI_PROTO_TYPE]
 307
 308 /* Type checking macros.  */
 309
 310 #define IS_ID(TYPE)                                                     \
 311         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 312          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 313              == TREE_TYPE (objc_object_type)))
 314 #define IS_CLASS(TYPE)                                                  \
 315         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 316          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 317              == TREE_TYPE (objc_class_type)))
 318 #define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE)                             \
 319         ((IS_ID (TYPE) || IS_CLASS (TYPE))                              \
 320          && TYPE_HAS_OBJC_INFO (TREE_TYPE (TYPE))                       \
 321          && TYPE_OBJC_PROTOCOL_LIST (TREE_TYPE (TYPE)))
 322 #define IS_SUPER(TYPE)                                                  \
 323         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 324          && TREE_TYPE (TYPE) == objc_super_template)
 325
 326 #define class_chain             objc_global_trees[OCTI_CLS_CHAIN]
 327 #define alias_chain             objc_global_trees[OCTI_ALIAS_CHAIN]
 328 #define interface_chain         objc_global_trees[OCTI_INTF_CHAIN]
 329 #define protocol_chain          objc_global_trees[OCTI_PROTO_CHAIN]
 330 #define implemented_classes     objc_global_trees[OCTI_IMPL_CHAIN]
 331
 332 /* Chains to manage selectors that are referenced and defined in the
 333    module.  */
 334
 335 #define cls_ref_chain           objc_global_trees[OCTI_CLS_REF_CHAIN]   /* Classes referenced.  */
 336 #define sel_ref_chain           objc_global_trees[OCTI_SEL_REF_CHAIN]   /* Selectors referenced.  */
 337 #define objc_ivar_chain         objc_global_trees[OCTI_IVAR_CHAIN]
 338
 339 /* Chains to manage uniquing of strings.  */
 340
 341 #define class_names_chain       objc_global_trees[OCTI_CLS_NAMES_CHAIN]
 342 #define meth_var_names_chain    objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
 343 #define meth_var_types_chain    objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
 344
 345
 346 /* Backend data declarations.  */
 347
 348 #define UOBJC_SYMBOLS_decl              objc_global_trees[OCTI_SYMBOLS_DECL]
 349 #define UOBJC_INSTANCE_VARIABLES_decl   objc_global_trees[OCTI_NST_VAR_DECL]
 350 #define UOBJC_CLASS_VARIABLES_decl      objc_global_trees[OCTI_CLS_VAR_DECL]
 351 #define UOBJC_INSTANCE_METHODS_decl     objc_global_trees[OCTI_NST_METH_DECL]
 352 #define UOBJC_CLASS_METHODS_decl        objc_global_trees[OCTI_CLS_METH_DECL]
 353 #define UOBJC_CLASS_decl                objc_global_trees[OCTI_CLS_DECL]
 354 #define UOBJC_METACLASS_decl            objc_global_trees[OCTI_MCLS_DECL]
 355 #define UOBJC_SELECTOR_TABLE_decl       objc_global_trees[OCTI_SEL_TABLE_DECL]
 356 #define UOBJC_MODULES_decl              objc_global_trees[OCTI_MODULES_DECL]
 357 #define GNU_INIT_decl                   objc_global_trees[OCTI_GNU_INIT_DECL]
 358
 359 /* The following are used when compiling a class implementation.
 360    implementation_template will normally be an interface, however if
 361    none exists this will be equal to objc_implementation_context...it is
 362    set in start_class.  */
 363
 364 #define objc_interface_context          objc_global_trees[OCTI_INTF_CTX]
 365 #define objc_implementation_context     objc_global_trees[OCTI_IMPL_CTX]
 366 #define objc_method_context             objc_global_trees[OCTI_METH_CTX]
 367 #define objc_ivar_context               objc_global_trees[OCTI_IVAR_CTX]
 368
 369 #define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
 370 #define objc_class_template     objc_global_trees[OCTI_CLS_TEMPL]
 371 #define objc_category_template  objc_global_trees[OCTI_CAT_TEMPL]
 372 #define uprivate_record         objc_global_trees[OCTI_UPRIV_REC]
 373 #define objc_protocol_template  objc_global_trees[OCTI_PROTO_TEMPL]
 374 #define objc_selector_template  objc_global_trees[OCTI_SEL_TEMPL]
 375 #define ucls_super_ref          objc_global_trees[OCTI_UCLS_SUPER_REF]
 376 #define uucls_super_ref         objc_global_trees[OCTI_UUCLS_SUPER_REF]
 377
 378 #define umsg_nonnil_decl        objc_global_trees[OCTI_UMSG_NONNIL_DECL]
 379 #define umsg_nonnil_stret_decl  objc_global_trees[OCTI_UMSG_NONNIL_STRET_DECL]
 380 #define objc_storage_class      objc_global_trees[OCTI_STORAGE_CLS]
 381 #define objc_exception_extract_decl             \
 382                                 objc_global_trees[OCTI_EXCEPTION_EXTRACT_DECL]
 383 #define objc_exception_try_enter_decl           \
 384                                 objc_global_trees[OCTI_EXCEPTION_TRY_ENTER_DECL]
 385 #define objc_exception_try_exit_decl            \
 386                                 objc_global_trees[OCTI_EXCEPTION_TRY_EXIT_DECL]
 387 #define objc_exception_match_decl               \
 388                                 objc_global_trees[OCTI_EXCEPTION_MATCH_DECL]
 389 #define objc_exception_throw_decl               \
 390                                 objc_global_trees[OCTI_EXCEPTION_THROW_DECL]
 391 #define objc_sync_enter_decl    objc_global_trees[OCTI_SYNC_ENTER_DECL]
 392 #define objc_sync_exit_decl     objc_global_trees[OCTI_SYNC_EXIT_DECL]
 393 #define objc_exception_data_template            \
 394                                 objc_global_trees[OCTI_EXCDATA_TEMPL]
 395 #define objc_setjmp_decl        objc_global_trees[OCTI_SETJMP_DECL]
 396 #define objc_stack_exception_data               \
 397                                 objc_global_trees[OCTI_STACK_EXCEPTION_DATA_DECL]
 398 #define objc_caught_exception   objc_global_trees[OCTI_LOCAL_EXCEPTION_DECL]
 399 #define objc_rethrow_exception  objc_global_trees[OCTI_RETHROW_EXCEPTION_DECL]
 400 #define objc_eval_once          objc_global_trees[OCTI_EVAL_ONCE_DECL]
 401 #define objc_catch_type         objc_global_trees[OCTI_CATCH_TYPE]
 402
 403 #define execclass_decl          objc_global_trees[OCTI_EXECCLASS_DECL]
 404
 405 #define objc_method_template    objc_global_trees[OCTI_METH_TEMPL]
 406 #define objc_ivar_template      objc_global_trees[OCTI_IVAR_TEMPL]
 407 #define objc_symtab_template    objc_global_trees[OCTI_SYMTAB_TEMPL]
 408 #define objc_module_template    objc_global_trees[OCTI_MODULE_TEMPL]
 409 #define objc_super_template     objc_global_trees[OCTI_SUPER_TEMPL]
 410 #define objc_object_reference   objc_global_trees[OCTI_OBJ_REF]
 411 #define objc_class_reference    objc_global_trees[OCTI_CLS_REF]
 412 #define objc_method_prototype_template          \
 413                                 objc_global_trees[OCTI_METH_PROTO_TEMPL]
 414 #define function1_template      objc_global_trees[OCTI_FUNCTION1_TEMPL]
 415 #define function2_template      objc_global_trees[OCTI_FUNCTION2_TEMPL]
 416
 417 #define objc_object_id          objc_global_trees[OCTI_OBJ_ID]
 418 #define objc_class_id           objc_global_trees[OCTI_CLS_ID]
 419 #define objc_object_name                objc_global_trees[OCTI_ID_NAME]
 420 #define objc_class_name         objc_global_trees[OCTI_CLASS_NAME]
 421 #define constant_string_id      objc_global_trees[OCTI_CNST_STR_ID]
 422 #define constant_string_type    objc_global_trees[OCTI_CNST_STR_TYPE]
 423 #define constant_string_global_id               \
 424                                 objc_global_trees[OCTI_CNST_STR_GLOB_ID]
 425 #define string_class_decl       objc_global_trees[OCTI_STRING_CLASS_DECL]
 426 #define UOBJC_SUPER_decl        objc_global_trees[OCTI_SUPER_DECL]
 427
 428 #endif /* GCC_OBJC_ACT_H */