gcc/objc/objc-act.h

   1 /* Declarations for objc-act.c.
   2    Copyright (C) 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
   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 3, 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 COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  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 tree objc_fold_obj_type_ref (tree, tree);
  30 int objc_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
  31 tree objc_eh_runtime_type (tree);
  32 tree objc_eh_personality (void);
  33
  34 /* NB: The remaining public functions are prototyped in c-common.h, for the
  35    benefit of stub-objc.c and objc-act.c.  */
  36
  37 /* Objective-C structures */
  38
  39 #define CLASS_LANG_SLOT_ELTS            7
  40 #define PROTOCOL_LANG_SLOT_ELTS         7
  41 #define OBJC_INFO_SLOT_ELTS             2
  42
  43 /* KEYWORD_DECL */
  44 #define KEYWORD_KEY_NAME(DECL) ((DECL)->decl_minimal.name)
  45 #define KEYWORD_ARG_NAME(DECL) ((DECL)->decl_non_common.arguments)
  46
  47 /* INSTANCE_METHOD_DECL, CLASS_METHOD_DECL */
  48 #define METHOD_SEL_NAME(DECL) ((DECL)->decl_minimal.name)
  49 #define METHOD_SEL_ARGS(DECL) ((DECL)->decl_non_common.arguments)
  50 #define METHOD_ADD_ARGS(DECL) ((DECL)->decl_non_common.result)
  51 #define METHOD_ADD_ARGS_ELLIPSIS_P(DECL) ((DECL)->decl_common.lang_flag_0)
  52 #define METHOD_DEFINITION(DECL) ((DECL)->decl_common.initial)
  53 #define METHOD_ENCODING(DECL) ((DECL)->decl_minimal.context)
  54 #define METHOD_TYPE_ATTRIBUTES(DECL) ((DECL)->decl_common.abstract_origin)
  55 #define METHOD_PROPERTY_CONTEXT(DECL) ((DECL)->decl_common.size_unit)
  56
  57
  58 /* PROPERTY_DECL.  A PROPERTY_DECL repesents a @property declaration
  59    (when attached to the list of properties of an interface) or a
  60    @synthesize or @dynamic declaration (when attached to the list of
  61    properties of an implementation).  */
  62
  63 /* TREE_TYPE is the type (int, float, etc) of the property.  */
  64
  65 /* DECL_ARTIFICIAL is set to 1 if the PROPERTY_DECL is an artificial
  66    property declaration created when the dot-syntax object.component
  67    is used with no actual @property matching the component, but a
  68    valid getter/setter.  */
  69
  70 /* PROPERTY_NAME is the name of the property.  */
  71 #define PROPERTY_NAME(DECL) DECL_NAME(DECL)
  72
  73 /* PROPERTY_GETTER_NAME is the identifier of the getter method.  */
  74 #define PROPERTY_GETTER_NAME(DECL) ((DECL)->decl_non_common.arguments)
  75
  76 /* PROPERTY_SETTER_NAME is the identifier of the setter method.  */
  77 #define PROPERTY_SETTER_NAME(DECL) ((DECL)->decl_non_common.result)
  78
  79 /* PROPERTY_READONLY can be 0 or 1.  */
  80 #define PROPERTY_READONLY(DECL) DECL_LANG_FLAG_0 (DECL)
  81
  82 /* PROPERTY_NONATOMIC can be 0 or 1.  */
  83 #define PROPERTY_NONATOMIC(DECL) DECL_LANG_FLAG_1 (DECL)
  84
  85 typedef enum objc_property_assign_semantics {
  86   OBJC_PROPERTY_ASSIGN = 1,
  87   OBJC_PROPERTY_RETAIN = 2,
  88   OBJC_PROPERTY_COPY = 3
  89 } objc_property_assign_semantics;
  90
  91 /* PROPERTY_ASSIGN_SEMANTICS can be OBJC_PROPERTY_ASSIGN,
  92    OBJC_PROPERTY_RETAIN or OBJC_PROPERTY_COPY.  We need an integer to
  93    store it, so we hijack the alignment, that properties don't
  94    have.  */
  95 #define PROPERTY_ASSIGN_SEMANTICS(DECL) ((DECL)->decl_common.align)
  96
  97 /* PROPERTY_IVAR_NAME is the identifier of the instance variable.
  98    This is set only if the PROPERTY_DECL represents a @synthesize;
  99    otherwise, it is set to TREE_NULL.  */
 100 #define PROPERTY_IVAR_NAME(DECL) ((DECL)->decl_common.initial)
 101
 102 /* PROPERTY_DYNAMIC can be 0 or 1.  This is 1 if the PROPERTY_DECL
 103    represents a @dynamic (or if it is a @property for which a @dynamic
 104    declaration has been parsed); otherwise, it is set to 0.  */
 105 #define PROPERTY_DYNAMIC(DECL) DECL_LANG_FLAG_2 (DECL)
 106
 107 /* PROPERTY_HAS_NO_GETTER can be 0 or 1.  Normally it is 0, but if
 108    this is an artificial PROPERTY_DECL that we generate even without a
 109    getter, it is set to 1.  */
 110 #define PROPERTY_HAS_NO_GETTER(DECL) DECL_LANG_FLAG_3 (DECL)
 111
 112 /* PROPERTY_HAS_NO_SETTER can be 0 or 1.  Normally it is 0, but if
 113    this is an artificial PROPERTY_DECL that we generate even without a
 114    setter, it is set to 1.  */
 115 #define PROPERTY_HAS_NO_SETTER(DECL) DECL_LANG_FLAG_4 (DECL)
 116
 117 /* PROPERTY_REF.  A PROPERTY_REF represents an 'object.property'
 118    expression.  It is normally used for property access, but when
 119    the Objective-C 2.0 "dot-syntax" (object.component) is used
 120    with no matching property, a PROPERTY_REF is still created to
 121    represent it, with an artificial PROPERTY_DECL.  */
 122
 123 /* PROPERTY_REF_OBJECT is the object whose property we are
 124    accessing.  */
 125 #define PROPERTY_REF_OBJECT(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 0)
 126
 127 /* PROPERTY_REF_PROPERTY_DECL is the PROPERTY_DECL for the property
 128    used in the expression.  From it, you can get the property type,
 129    and the getter/setter names.  This PROPERTY_DECL could be artificial
 130    if we are processing an 'object.component' syntax with no matching
 131    declared property.  */
 132 #define PROPERTY_REF_PROPERTY_DECL(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 1)
 133
 134
 135 /* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
 136    CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
 137    PROTOCOL_INTERFACE_TYPE */
 138 #define CLASS_NAME(CLASS) ((CLASS)->type.name)
 139 #define CLASS_SUPER_NAME(CLASS) (TYPE_CHECK (CLASS)->type.context)
 140 #define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
 141 #define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
 142 #define CLASS_NST_METHODS(CLASS) ((CLASS)->type.minval)
 143 #define CLASS_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
 144 #define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
 145 #define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
 146 #define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 4)
 147 #define TOTAL_CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 5)
 148
 149 #define PROTOCOL_NAME(CLASS) ((CLASS)->type.name)
 150 #define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
 151 #define PROTOCOL_NST_METHODS(CLASS) ((CLASS)->type.minval)
 152 #define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
 153 #define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
 154 #define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
 155 #define PROTOCOL_OPTIONAL_CLS_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
 156 #define PROTOCOL_OPTIONAL_NST_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
 157
 158 /* For CATEGORY_INTERFACE_TYPE, CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE */
 159 #define CLASS_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
 160 /* For CLASS_IMPLEMENTATION_TYPE or CATEGORY_IMPLEMENTATION_TYPE. */
 161 #define IMPL_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
 162
 163 /* ObjC-specific information pertaining to RECORD_TYPEs are stored in
 164    the LANG_SPECIFIC structures, which may itself need allocating first.  */
 165
 166 /* The following three macros must be overridden (in objcp/objcp-decl.h)
 167    for Objective-C++.  */
 168 #define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info
 169 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
 170 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)                             \
 171   do {                                                                  \
 172     TYPE_LANG_SPECIFIC (NODE)                                           \
 173       = ggc_alloc_cleared_lang_type (sizeof (struct lang_type));        \
 174   } while (0)
 175
 176 #define TYPE_HAS_OBJC_INFO(TYPE)                                \
 177         (TYPE_LANG_SPECIFIC (TYPE) && TYPE_OBJC_INFO (TYPE))
 178 #define TYPE_OBJC_INTERFACE(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 0)
 179 #define TYPE_OBJC_PROTOCOL_LIST(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 1)
 180
 181
 182 #define INIT_TYPE_OBJC_INFO(TYPE)                               \
 183         do                                                      \
 184           {                                                     \
 185             if (!TYPE_LANG_SPECIFIC (TYPE))                     \
 186               ALLOC_OBJC_TYPE_LANG_SPECIFIC(TYPE);              \
 187             if (!TYPE_OBJC_INFO (TYPE))                         \
 188               TYPE_OBJC_INFO (TYPE)                             \
 189                 = make_tree_vec (OBJC_INFO_SLOT_ELTS);          \
 190           }                                                     \
 191         while (0)
 192 #define DUP_TYPE_OBJC_INFO(DST, SRC)                            \
 193         do                                                      \
 194           {                                                     \
 195             ALLOC_OBJC_TYPE_LANG_SPECIFIC(DST);                 \
 196             if (TYPE_LANG_SPECIFIC (SRC))                       \
 197               memcpy (TYPE_LANG_SPECIFIC (DST),                 \
 198                       TYPE_LANG_SPECIFIC (SRC),                 \
 199                       SIZEOF_OBJC_TYPE_LANG_SPECIFIC);          \
 200             TYPE_OBJC_INFO (DST)                                \
 201               = make_tree_vec (OBJC_INFO_SLOT_ELTS);            \
 202           }                                                     \
 203         while (0)
 204
 205 #define TYPED_OBJECT(TYPE)                                      \
 206         (TREE_CODE (TYPE) == RECORD_TYPE                        \
 207          && TYPE_HAS_OBJC_INFO (TYPE)                           \
 208          && TYPE_OBJC_INTERFACE (TYPE))
 209 #define OBJC_TYPE_NAME(TYPE) TYPE_NAME(TYPE)
 210 #define OBJC_SET_TYPE_NAME(TYPE, NAME) (TYPE_NAME (TYPE) = NAME)
 211
 212 /* Hash tables to manage the global pool of method prototypes.  */
 213
 214 typedef struct hashed_entry     *hash;
 215 typedef struct hashed_attribute *attr;
 216
 217 struct GTY(()) hashed_attribute {
 218   attr next;
 219   tree value;
 220 };
 221 struct GTY(()) hashed_entry {
 222   attr list;
 223   hash next;
 224   tree key;
 225 };
 226
 227 extern GTY ((length ("SIZEHASHTABLE"))) hash *nst_method_hash_list;
 228 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_method_hash_list;
 229
 230 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_name_hash_list;
 231 extern GTY ((length ("SIZEHASHTABLE"))) hash *als_name_hash_list;
 232
 233 #define SIZEHASHTABLE           257
 234
 235 /* Objective-C/Objective-C++ @implementation list.  */
 236
 237 struct GTY(()) imp_entry {
 238   struct imp_entry *next;
 239   tree imp_context;
 240   tree imp_template;
 241   tree class_decl;              /* _OBJC_CLASS_<my_name>; */
 242   tree meta_decl;               /* _OBJC_METACLASS_<my_name>; */
 243   BOOL_BITFIELD has_cxx_cdtors : 1;
 244 };
 245
 246 extern GTY(()) struct imp_entry *imp_list;
 247 extern GTY(()) int imp_count;   /* `@implementation' */
 248 extern GTY(()) int cat_count;   /* `@category' */
 249
 250 extern GTY(()) objc_ivar_visibility_kind objc_ivar_visibility;
 251
 252 /* Objective-C/Objective-C++ global tree enumeration.  */
 253
 254 enum objc_tree_index
 255 {
 256     OCTI_STATIC_NST,
 257     OCTI_STATIC_NST_DECL,
 258     OCTI_SELF_ID,
 259     OCTI_UCMD_ID,
 260
 261     OCTI_SELF_DECL,
 262     OCTI_UMSG_DECL,
 263     OCTI_UMSG_FAST_DECL,
 264     OCTI_UMSG_SUPER_DECL,
 265     OCTI_UMSG_STRET_DECL,
 266     OCTI_UMSG_SUPER_STRET_DECL,
 267     OCTI_GET_CLASS_DECL,
 268     OCTI_GET_MCLASS_DECL,
 269     OCTI_SUPER_TYPE,
 270     OCTI_SEL_TYPE,
 271     OCTI_ID_TYPE,
 272     OCTI_CLS_TYPE,
 273     OCTI_NST_TYPE,
 274     OCTI_PROTO_TYPE,
 275
 276     OCTI_INTF_CHAIN,
 277     OCTI_PROTO_CHAIN,
 278     OCTI_IMPL_CHAIN,
 279     OCTI_CLS_REF_CHAIN,
 280     OCTI_SEL_REF_CHAIN,
 281     OCTI_IVAR_CHAIN,
 282     OCTI_CLS_NAMES_CHAIN,
 283     OCTI_METH_VAR_NAMES_CHAIN,
 284     OCTI_METH_VAR_TYPES_CHAIN,
 285
 286     OCTI_SYMBOLS_DECL,
 287     OCTI_NST_VAR_DECL,
 288     OCTI_CLS_VAR_DECL,
 289     OCTI_NST_METH_DECL,
 290     OCTI_CLS_METH_DECL,
 291     OCTI_CLS_DECL,
 292     OCTI_MCLS_DECL,
 293     OCTI_SEL_TABLE_DECL,
 294     OCTI_MODULES_DECL,
 295     OCTI_GNU_INIT_DECL,
 296
 297     OCTI_INTF_CTX,
 298     OCTI_IMPL_CTX,
 299     OCTI_METH_CTX,
 300     OCTI_IVAR_CTX,
 301
 302     OCTI_IMPL_TEMPL,
 303     OCTI_CLS_TEMPL,
 304     OCTI_CAT_TEMPL,
 305     OCTI_UPRIV_REC,
 306     OCTI_PROTO_TEMPL,
 307     OCTI_SEL_TEMPL,
 308     OCTI_UCLS_SUPER_REF,
 309     OCTI_UUCLS_SUPER_REF,
 310     OCTI_METH_TEMPL,
 311     OCTI_IVAR_TEMPL,
 312     OCTI_METH_LIST_TEMPL,
 313     OCTI_METH_PROTO_LIST_TEMPL,
 314     OCTI_IVAR_LIST_TEMPL,
 315     OCTI_SYMTAB_TEMPL,
 316     OCTI_MODULE_TEMPL,
 317     OCTI_SUPER_TEMPL,
 318     OCTI_OBJ_REF,
 319     OCTI_CLS_REF,
 320     OCTI_METH_PROTO_TEMPL,
 321     OCTI_FUNCTION1_TEMPL,
 322     OCTI_FUNCTION2_TEMPL,
 323
 324     OCTI_OBJ_ID,
 325     OCTI_CLS_ID,
 326     OCTI_ID_NAME,
 327     OCTI_CLASS_NAME,
 328     OCTI_CNST_STR_ID,
 329     OCTI_CNST_STR_TYPE,
 330     OCTI_CNST_STR_GLOB_ID,
 331     OCTI_STRING_CLASS_DECL,
 332     OCTI_INTERNAL_CNST_STR_TYPE,
 333     OCTI_SUPER_DECL,
 334     OCTI_UMSG_NONNIL_DECL,
 335     OCTI_UMSG_NONNIL_STRET_DECL,
 336     OCTI_STORAGE_CLS,
 337     OCTI_EXCEPTION_EXTRACT_DECL,
 338     OCTI_EXCEPTION_TRY_ENTER_DECL,
 339     OCTI_EXCEPTION_TRY_EXIT_DECL,
 340     OCTI_EXCEPTION_MATCH_DECL,
 341     OCTI_EXCEPTION_THROW_DECL,
 342     OCTI_SYNC_ENTER_DECL,
 343     OCTI_SYNC_EXIT_DECL,
 344     OCTI_SETJMP_DECL,
 345     OCTI_EXCDATA_TEMPL,
 346     OCTI_STACK_EXCEPTION_DATA_DECL,
 347     OCTI_LOCAL_EXCEPTION_DECL,
 348     OCTI_RETHROW_EXCEPTION_DECL,
 349     OCTI_EVAL_ONCE_DECL,
 350     OCTI_CATCH_TYPE,
 351     OCTI_EXECCLASS_DECL,
 352
 353     OCTI_ASSIGN_IVAR_DECL,
 354     OCTI_ASSIGN_IVAR_FAST_DECL,
 355     OCTI_ASSIGN_GLOBAL_DECL,
 356     OCTI_ASSIGN_STRONGCAST_DECL,
 357
 358     OCTI_FAST_ENUM_STATE_TEMP,
 359     OCTI_ENUM_MUTATION_DECL,
 360
 361     OCTI_GET_PROPERTY_DECL,
 362     OCTI_SET_PROPERTY_DECL,
 363     OCTI_COPY_STRUCT_DECL,
 364     OCTI_GET_PROPERTY_STRUCT_DECL,
 365     OCTI_SET_PROPERTY_STRUCT_DECL,
 366
 367     OCTI_MAX
 368 };
 369
 370 extern GTY(()) tree objc_global_trees[OCTI_MAX];
 371
 372 /* List of classes with list of their static instances.  */
 373 #define objc_static_instances   objc_global_trees[OCTI_STATIC_NST]
 374
 375 /* The declaration of the array administrating the static instances.  */
 376 #define static_instances_decl   objc_global_trees[OCTI_STATIC_NST_DECL]
 377
 378 /* Some commonly used instances of "identifier_node".  */
 379
 380 #define self_id                 objc_global_trees[OCTI_SELF_ID]
 381 #define ucmd_id                 objc_global_trees[OCTI_UCMD_ID]
 382
 383 #define self_decl               objc_global_trees[OCTI_SELF_DECL]
 384 #define umsg_decl               objc_global_trees[OCTI_UMSG_DECL]
 385 #define umsg_fast_decl          objc_global_trees[OCTI_UMSG_FAST_DECL]
 386 #define umsg_super_decl         objc_global_trees[OCTI_UMSG_SUPER_DECL]
 387 #define umsg_stret_decl         objc_global_trees[OCTI_UMSG_STRET_DECL]
 388 #define umsg_super_stret_decl   objc_global_trees[OCTI_UMSG_SUPER_STRET_DECL]
 389 #define objc_get_class_decl     objc_global_trees[OCTI_GET_CLASS_DECL]
 390 #define objc_get_meta_class_decl                        \
 391                                 objc_global_trees[OCTI_GET_MCLASS_DECL]
 392
 393 #define objc_super_type         objc_global_trees[OCTI_SUPER_TYPE]
 394 #define objc_selector_type              objc_global_trees[OCTI_SEL_TYPE]
 395 #define objc_object_type        objc_global_trees[OCTI_ID_TYPE]
 396 #define objc_class_type         objc_global_trees[OCTI_CLS_TYPE]
 397 #define objc_instance_type      objc_global_trees[OCTI_NST_TYPE]
 398 #define objc_protocol_type      objc_global_trees[OCTI_PROTO_TYPE]
 399
 400 /* Type checking macros.  */
 401
 402 #define IS_ID(TYPE)                                                     \
 403         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 404          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 405              == TREE_TYPE (objc_object_type)))
 406 #define IS_CLASS(TYPE)                                                  \
 407         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 408          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 409              == TREE_TYPE (objc_class_type)))
 410 #define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE)                             \
 411         ((IS_ID (TYPE) || IS_CLASS (TYPE))                              \
 412          && TYPE_HAS_OBJC_INFO (TREE_TYPE (TYPE))                       \
 413          && TYPE_OBJC_PROTOCOL_LIST (TREE_TYPE (TYPE)))
 414 #define IS_SUPER(TYPE)                                                  \
 415         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 416          && TREE_TYPE (TYPE) == objc_super_template)
 417
 418 #define interface_chain         objc_global_trees[OCTI_INTF_CHAIN]
 419 #define protocol_chain          objc_global_trees[OCTI_PROTO_CHAIN]
 420 #define implemented_classes     objc_global_trees[OCTI_IMPL_CHAIN]
 421
 422 /* Chains to manage selectors that are referenced and defined in the
 423    module.  */
 424
 425 #define cls_ref_chain           objc_global_trees[OCTI_CLS_REF_CHAIN]   /* Classes referenced.  */
 426 #define sel_ref_chain           objc_global_trees[OCTI_SEL_REF_CHAIN]   /* Selectors referenced.  */
 427 #define objc_ivar_chain         objc_global_trees[OCTI_IVAR_CHAIN]
 428
 429 /* Chains to manage uniquing of strings.  */
 430
 431 #define class_names_chain       objc_global_trees[OCTI_CLS_NAMES_CHAIN]
 432 #define meth_var_names_chain    objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
 433 #define meth_var_types_chain    objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
 434
 435
 436 /* Backend data declarations.  */
 437
 438 #define UOBJC_SYMBOLS_decl              objc_global_trees[OCTI_SYMBOLS_DECL]
 439 #define UOBJC_INSTANCE_VARIABLES_decl   objc_global_trees[OCTI_NST_VAR_DECL]
 440 #define UOBJC_CLASS_VARIABLES_decl      objc_global_trees[OCTI_CLS_VAR_DECL]
 441 #define UOBJC_INSTANCE_METHODS_decl     objc_global_trees[OCTI_NST_METH_DECL]
 442 #define UOBJC_CLASS_METHODS_decl        objc_global_trees[OCTI_CLS_METH_DECL]
 443 #define UOBJC_CLASS_decl                objc_global_trees[OCTI_CLS_DECL]
 444 #define UOBJC_METACLASS_decl            objc_global_trees[OCTI_MCLS_DECL]
 445 #define UOBJC_SELECTOR_TABLE_decl       objc_global_trees[OCTI_SEL_TABLE_DECL]
 446 #define UOBJC_MODULES_decl              objc_global_trees[OCTI_MODULES_DECL]
 447 #define GNU_INIT_decl                   objc_global_trees[OCTI_GNU_INIT_DECL]
 448
 449 /* The following are used when compiling a class implementation.
 450    implementation_template will normally be an interface, however if
 451    none exists this will be equal to objc_implementation_context...it is
 452    set in start_class.  */
 453
 454 #define objc_interface_context          objc_global_trees[OCTI_INTF_CTX]
 455 #define objc_implementation_context     objc_global_trees[OCTI_IMPL_CTX]
 456 #define objc_method_context             objc_global_trees[OCTI_METH_CTX]
 457 #define objc_ivar_context               objc_global_trees[OCTI_IVAR_CTX]
 458
 459 #define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
 460 #define objc_class_template     objc_global_trees[OCTI_CLS_TEMPL]
 461 #define objc_category_template  objc_global_trees[OCTI_CAT_TEMPL]
 462 #define uprivate_record         objc_global_trees[OCTI_UPRIV_REC]
 463 #define objc_protocol_template  objc_global_trees[OCTI_PROTO_TEMPL]
 464 #define objc_selector_template  objc_global_trees[OCTI_SEL_TEMPL]
 465 #define ucls_super_ref          objc_global_trees[OCTI_UCLS_SUPER_REF]
 466 #define uucls_super_ref         objc_global_trees[OCTI_UUCLS_SUPER_REF]
 467
 468 #define umsg_nonnil_decl        objc_global_trees[OCTI_UMSG_NONNIL_DECL]
 469 #define umsg_nonnil_stret_decl  objc_global_trees[OCTI_UMSG_NONNIL_STRET_DECL]
 470 #define objc_storage_class      objc_global_trees[OCTI_STORAGE_CLS]
 471 #define objc_exception_extract_decl             \
 472                                 objc_global_trees[OCTI_EXCEPTION_EXTRACT_DECL]
 473 #define objc_exception_try_enter_decl           \
 474                                 objc_global_trees[OCTI_EXCEPTION_TRY_ENTER_DECL]
 475 #define objc_exception_try_exit_decl            \
 476                                 objc_global_trees[OCTI_EXCEPTION_TRY_EXIT_DECL]
 477 #define objc_exception_match_decl               \
 478                                 objc_global_trees[OCTI_EXCEPTION_MATCH_DECL]
 479 #define objc_exception_throw_decl               \
 480                                 objc_global_trees[OCTI_EXCEPTION_THROW_DECL]
 481 #define objc_sync_enter_decl    objc_global_trees[OCTI_SYNC_ENTER_DECL]
 482 #define objc_sync_exit_decl     objc_global_trees[OCTI_SYNC_EXIT_DECL]
 483 #define objc_exception_data_template            \
 484                                 objc_global_trees[OCTI_EXCDATA_TEMPL]
 485 #define objc_setjmp_decl        objc_global_trees[OCTI_SETJMP_DECL]
 486 #define objc_stack_exception_data               \
 487                                 objc_global_trees[OCTI_STACK_EXCEPTION_DATA_DECL]
 488 #define objc_caught_exception   objc_global_trees[OCTI_LOCAL_EXCEPTION_DECL]
 489 #define objc_rethrow_exception  objc_global_trees[OCTI_RETHROW_EXCEPTION_DECL]
 490 #define objc_eval_once          objc_global_trees[OCTI_EVAL_ONCE_DECL]
 491 #define objc_catch_type         objc_global_trees[OCTI_CATCH_TYPE]
 492
 493 #define execclass_decl          objc_global_trees[OCTI_EXECCLASS_DECL]
 494
 495 #define objc_assign_ivar_decl   objc_global_trees[OCTI_ASSIGN_IVAR_DECL]
 496 #define objc_assign_ivar_fast_decl              \
 497                                 objc_global_trees[OCTI_ASSIGN_IVAR_FAST_DECL]
 498 #define objc_assign_global_decl objc_global_trees[OCTI_ASSIGN_GLOBAL_DECL]
 499 #define objc_assign_strong_cast_decl            \
 500                                 objc_global_trees[OCTI_ASSIGN_STRONGCAST_DECL]
 501
 502 #define objc_method_template    objc_global_trees[OCTI_METH_TEMPL]
 503 #define objc_ivar_template      objc_global_trees[OCTI_IVAR_TEMPL]
 504 #define objc_method_list_ptr    objc_global_trees[OCTI_METH_LIST_TEMPL]
 505 #define objc_method_proto_list_ptr              \
 506                                 objc_global_trees[OCTI_METH_PROTO_LIST_TEMPL]
 507 #define objc_ivar_list_ptr      objc_global_trees[OCTI_IVAR_LIST_TEMPL]
 508 #define objc_symtab_template    objc_global_trees[OCTI_SYMTAB_TEMPL]
 509 #define objc_module_template    objc_global_trees[OCTI_MODULE_TEMPL]
 510 #define objc_super_template     objc_global_trees[OCTI_SUPER_TEMPL]
 511 #define objc_object_reference   objc_global_trees[OCTI_OBJ_REF]
 512 #define objc_class_reference    objc_global_trees[OCTI_CLS_REF]
 513 #define objc_method_prototype_template          \
 514                                 objc_global_trees[OCTI_METH_PROTO_TEMPL]
 515 #define function1_template      objc_global_trees[OCTI_FUNCTION1_TEMPL]
 516 #define function2_template      objc_global_trees[OCTI_FUNCTION2_TEMPL]
 517
 518 #define objc_object_id          objc_global_trees[OCTI_OBJ_ID]
 519 #define objc_class_id           objc_global_trees[OCTI_CLS_ID]
 520 #define objc_object_name                objc_global_trees[OCTI_ID_NAME]
 521 #define objc_class_name         objc_global_trees[OCTI_CLASS_NAME]
 522 #define constant_string_id      objc_global_trees[OCTI_CNST_STR_ID]
 523 #define constant_string_type    objc_global_trees[OCTI_CNST_STR_TYPE]
 524 #define constant_string_global_id               \
 525                                 objc_global_trees[OCTI_CNST_STR_GLOB_ID]
 526 #define string_class_decl       objc_global_trees[OCTI_STRING_CLASS_DECL]
 527 #define internal_const_str_type objc_global_trees[OCTI_INTERNAL_CNST_STR_TYPE]
 528 #define UOBJC_SUPER_decl        objc_global_trees[OCTI_SUPER_DECL]
 529 #define objc_fast_enumeration_state_template    \
 530                                 objc_global_trees[OCTI_FAST_ENUM_STATE_TEMP]
 531 #define objc_enumeration_mutation_decl          \
 532                                 objc_global_trees[OCTI_ENUM_MUTATION_DECL]
 533
 534 /* Declarations of functions used when synthesizing property
 535    accessors.  */
 536 #define objc_getProperty_decl       objc_global_trees[OCTI_GET_PROPERTY_DECL]
 537 #define objc_setProperty_decl       objc_global_trees[OCTI_SET_PROPERTY_DECL]
 538 #define objc_copyStruct_decl        objc_global_trees[OCTI_COPY_STRUCT_DECL]
 539 #define objc_getPropertyStruct_decl objc_global_trees[OCTI_GET_PROPERTY_STRUCT_DECL]
 540 #define objc_setPropertyStruct_decl objc_global_trees[OCTI_SET_PROPERTY_STRUCT_DECL]
 541
 542
 543 #endif /* GCC_OBJC_ACT_H */