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 /* PROPERTY_REF_GETTER_CALL is the getter call expression, ready to
 135    use at gimplify time if needed.  Generating the getter call
 136    requires modifying the selector table, and, in the case of
 137    self/super, requires the context to be generated correctly.  The
 138    gimplify stage is too late to do these things, so we generate the
 139    getter call earlier instead, and keep it here in case we need to
 140    use it.  */
 141 #define PROPERTY_REF_GETTER_CALL(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 2)
 142
 143
 144 /* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
 145    CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
 146    PROTOCOL_INTERFACE_TYPE */
 147 /* CLASS_NAME is the name of the class.  */
 148 #define CLASS_NAME(CLASS) ((CLASS)->type.name)
 149 /* CLASS_SUPER_NAME is the name of the superclass, or, in the case of
 150    categories, it is the name of the category itself.  */
 151 #define CLASS_SUPER_NAME(CLASS) (TYPE_CHECK (CLASS)->type.context)
 152 #define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
 153 #define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
 154 #define CLASS_NST_METHODS(CLASS) ((CLASS)->type.minval)
 155 #define CLASS_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
 156 #define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
 157 #define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
 158 #define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 4)
 159 #define TOTAL_CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 5)
 160
 161 #define PROTOCOL_NAME(CLASS) ((CLASS)->type.name)
 162 #define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
 163 #define PROTOCOL_NST_METHODS(CLASS) ((CLASS)->type.minval)
 164 #define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
 165 #define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
 166 #define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
 167 #define PROTOCOL_OPTIONAL_CLS_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
 168 #define PROTOCOL_OPTIONAL_NST_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
 169
 170 /* For CATEGORY_INTERFACE_TYPE, CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE */
 171 #define CLASS_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
 172 /* For CLASS_IMPLEMENTATION_TYPE or CATEGORY_IMPLEMENTATION_TYPE. */
 173 #define IMPL_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
 174
 175 /* ObjC-specific information pertaining to RECORD_TYPEs are stored in
 176    the LANG_SPECIFIC structures, which may itself need allocating first.  */
 177
 178 /* The following three macros must be overridden (in objcp/objcp-decl.h)
 179    for Objective-C++.  */
 180 #define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info
 181 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
 182 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)                             \
 183   do {                                                                  \
 184     TYPE_LANG_SPECIFIC (NODE)                                           \
 185       = ggc_alloc_cleared_lang_type (sizeof (struct lang_type));        \
 186   } while (0)
 187
 188 #define TYPE_HAS_OBJC_INFO(TYPE)                                \
 189         (TYPE_LANG_SPECIFIC (TYPE) && TYPE_OBJC_INFO (TYPE))
 190 #define TYPE_OBJC_INTERFACE(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 0)
 191 #define TYPE_OBJC_PROTOCOL_LIST(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 1)
 192
 193
 194 #define INIT_TYPE_OBJC_INFO(TYPE)                               \
 195         do                                                      \
 196           {                                                     \
 197             if (!TYPE_LANG_SPECIFIC (TYPE))                     \
 198               ALLOC_OBJC_TYPE_LANG_SPECIFIC(TYPE);              \
 199             if (!TYPE_OBJC_INFO (TYPE))                         \
 200               TYPE_OBJC_INFO (TYPE)                             \
 201                 = make_tree_vec (OBJC_INFO_SLOT_ELTS);          \
 202           }                                                     \
 203         while (0)
 204 #define DUP_TYPE_OBJC_INFO(DST, SRC)                            \
 205         do                                                      \
 206           {                                                     \
 207             ALLOC_OBJC_TYPE_LANG_SPECIFIC(DST);                 \
 208             if (TYPE_LANG_SPECIFIC (SRC))                       \
 209               memcpy (TYPE_LANG_SPECIFIC (DST),                 \
 210                       TYPE_LANG_SPECIFIC (SRC),                 \
 211                       SIZEOF_OBJC_TYPE_LANG_SPECIFIC);          \
 212             TYPE_OBJC_INFO (DST)                                \
 213               = make_tree_vec (OBJC_INFO_SLOT_ELTS);            \
 214           }                                                     \
 215         while (0)
 216
 217 #define TYPED_OBJECT(TYPE)                                      \
 218         (TREE_CODE (TYPE) == RECORD_TYPE                        \
 219          && TYPE_HAS_OBJC_INFO (TYPE)                           \
 220          && TYPE_OBJC_INTERFACE (TYPE))
 221 #define OBJC_TYPE_NAME(TYPE) TYPE_NAME(TYPE)
 222 #define OBJC_SET_TYPE_NAME(TYPE, NAME) (TYPE_NAME (TYPE) = NAME)
 223
 224 /* Hash tables to manage the global pool of method prototypes.  */
 225
 226 typedef struct hashed_entry     *hash;
 227 typedef struct hashed_attribute *attr;
 228
 229 struct GTY(()) hashed_attribute {
 230   attr next;
 231   tree value;
 232 };
 233 struct GTY(()) hashed_entry {
 234   attr list;
 235   hash next;
 236   tree key;
 237 };
 238
 239 extern GTY ((length ("SIZEHASHTABLE"))) hash *nst_method_hash_list;
 240 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_method_hash_list;
 241
 242 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_name_hash_list;
 243 extern GTY ((length ("SIZEHASHTABLE"))) hash *als_name_hash_list;
 244
 245 #define SIZEHASHTABLE           257
 246
 247 /* Objective-C/Objective-C++ @implementation list.  */
 248
 249 struct GTY(()) imp_entry {
 250   struct imp_entry *next;
 251   tree imp_context;
 252   tree imp_template;
 253   tree class_decl;              /* _OBJC_CLASS_<my_name>; */
 254   tree meta_decl;               /* _OBJC_METACLASS_<my_name>; */
 255   BOOL_BITFIELD has_cxx_cdtors : 1;
 256 };
 257
 258 extern GTY(()) struct imp_entry *imp_list;
 259 extern GTY(()) int imp_count;   /* `@implementation' */
 260 extern GTY(()) int cat_count;   /* `@category' */
 261
 262 extern GTY(()) objc_ivar_visibility_kind objc_ivar_visibility;
 263
 264 /* Objective-C/Objective-C++ global tree enumeration.  */
 265
 266 enum objc_tree_index
 267 {
 268     OCTI_STATIC_NST,
 269     OCTI_STATIC_NST_DECL,
 270     OCTI_SELF_ID,
 271     OCTI_UCMD_ID,
 272
 273     OCTI_SELF_DECL,
 274     OCTI_UMSG_DECL,
 275     OCTI_UMSG_FAST_DECL,
 276     OCTI_UMSG_SUPER_DECL,
 277     OCTI_UMSG_STRET_DECL,
 278     OCTI_UMSG_SUPER_STRET_DECL,
 279     OCTI_GET_CLASS_DECL,
 280     OCTI_GET_MCLASS_DECL,
 281     OCTI_SUPER_TYPE,
 282     OCTI_SEL_TYPE,
 283     OCTI_ID_TYPE,
 284     OCTI_CLS_TYPE,
 285     OCTI_NST_TYPE,
 286     OCTI_PROTO_TYPE,
 287
 288     OCTI_INTF_CHAIN,
 289     OCTI_PROTO_CHAIN,
 290     OCTI_IMPL_CHAIN,
 291     OCTI_CLS_REF_CHAIN,
 292     OCTI_SEL_REF_CHAIN,
 293     OCTI_IVAR_CHAIN,
 294     OCTI_CLS_NAMES_CHAIN,
 295     OCTI_METH_VAR_NAMES_CHAIN,
 296     OCTI_METH_VAR_TYPES_CHAIN,
 297
 298     OCTI_SYMBOLS_DECL,
 299     OCTI_NST_VAR_DECL,
 300     OCTI_CLS_VAR_DECL,
 301     OCTI_NST_METH_DECL,
 302     OCTI_CLS_METH_DECL,
 303     OCTI_CLS_DECL,
 304     OCTI_MCLS_DECL,
 305     OCTI_SEL_TABLE_DECL,
 306     OCTI_MODULES_DECL,
 307     OCTI_GNU_INIT_DECL,
 308
 309     OCTI_INTF_CTX,
 310     OCTI_IMPL_CTX,
 311     OCTI_METH_CTX,
 312     OCTI_IVAR_CTX,
 313
 314     OCTI_IMPL_TEMPL,
 315     OCTI_CLS_TEMPL,
 316     OCTI_CAT_TEMPL,
 317     OCTI_UPRIV_REC,
 318     OCTI_PROTO_TEMPL,
 319     OCTI_SEL_TEMPL,
 320     OCTI_UCLS_SUPER_REF,
 321     OCTI_UUCLS_SUPER_REF,
 322     OCTI_METH_TEMPL,
 323     OCTI_IVAR_TEMPL,
 324     OCTI_METH_LIST_TEMPL,
 325     OCTI_METH_PROTO_LIST_TEMPL,
 326     OCTI_IVAR_LIST_TEMPL,
 327     OCTI_SYMTAB_TEMPL,
 328     OCTI_MODULE_TEMPL,
 329     OCTI_SUPER_TEMPL,
 330     OCTI_OBJ_REF,
 331     OCTI_CLS_REF,
 332     OCTI_METH_PROTO_TEMPL,
 333     OCTI_FUNCTION1_TEMPL,
 334     OCTI_FUNCTION2_TEMPL,
 335
 336     OCTI_OBJ_ID,
 337     OCTI_CLS_ID,
 338     OCTI_ID_NAME,
 339     OCTI_CLASS_NAME,
 340     OCTI_CNST_STR_ID,
 341     OCTI_CNST_STR_TYPE,
 342     OCTI_CNST_STR_GLOB_ID,
 343     OCTI_STRING_CLASS_DECL,
 344     OCTI_INTERNAL_CNST_STR_TYPE,
 345     OCTI_SUPER_DECL,
 346     OCTI_UMSG_NONNIL_DECL,
 347     OCTI_UMSG_NONNIL_STRET_DECL,
 348     OCTI_STORAGE_CLS,
 349     OCTI_EXCEPTION_EXTRACT_DECL,
 350     OCTI_EXCEPTION_TRY_ENTER_DECL,
 351     OCTI_EXCEPTION_TRY_EXIT_DECL,
 352     OCTI_EXCEPTION_MATCH_DECL,
 353     OCTI_EXCEPTION_THROW_DECL,
 354     OCTI_SYNC_ENTER_DECL,
 355     OCTI_SYNC_EXIT_DECL,
 356     OCTI_SETJMP_DECL,
 357     OCTI_EXCDATA_TEMPL,
 358     OCTI_STACK_EXCEPTION_DATA_DECL,
 359     OCTI_LOCAL_EXCEPTION_DECL,
 360     OCTI_RETHROW_EXCEPTION_DECL,
 361     OCTI_EVAL_ONCE_DECL,
 362     OCTI_CATCH_TYPE,
 363     OCTI_EXECCLASS_DECL,
 364
 365     OCTI_ASSIGN_IVAR_DECL,
 366     OCTI_ASSIGN_IVAR_FAST_DECL,
 367     OCTI_ASSIGN_GLOBAL_DECL,
 368     OCTI_ASSIGN_STRONGCAST_DECL,
 369
 370     OCTI_FAST_ENUM_STATE_TEMP,
 371     OCTI_ENUM_MUTATION_DECL,
 372
 373     OCTI_GET_PROPERTY_DECL,
 374     OCTI_SET_PROPERTY_DECL,
 375     OCTI_COPY_STRUCT_DECL,
 376     OCTI_GET_PROPERTY_STRUCT_DECL,
 377     OCTI_SET_PROPERTY_STRUCT_DECL,
 378
 379     OCTI_MAX
 380 };
 381
 382 extern GTY(()) tree objc_global_trees[OCTI_MAX];
 383
 384 /* List of classes with list of their static instances.  */
 385 #define objc_static_instances   objc_global_trees[OCTI_STATIC_NST]
 386
 387 /* The declaration of the array administrating the static instances.  */
 388 #define static_instances_decl   objc_global_trees[OCTI_STATIC_NST_DECL]
 389
 390 /* Some commonly used instances of "identifier_node".  */
 391
 392 #define self_id                 objc_global_trees[OCTI_SELF_ID]
 393 #define ucmd_id                 objc_global_trees[OCTI_UCMD_ID]
 394
 395 #define self_decl               objc_global_trees[OCTI_SELF_DECL]
 396 #define umsg_decl               objc_global_trees[OCTI_UMSG_DECL]
 397 #define umsg_fast_decl          objc_global_trees[OCTI_UMSG_FAST_DECL]
 398 #define umsg_super_decl         objc_global_trees[OCTI_UMSG_SUPER_DECL]
 399 #define umsg_stret_decl         objc_global_trees[OCTI_UMSG_STRET_DECL]
 400 #define umsg_super_stret_decl   objc_global_trees[OCTI_UMSG_SUPER_STRET_DECL]
 401 #define objc_get_class_decl     objc_global_trees[OCTI_GET_CLASS_DECL]
 402 #define objc_get_meta_class_decl                        \
 403                                 objc_global_trees[OCTI_GET_MCLASS_DECL]
 404
 405 #define objc_super_type         objc_global_trees[OCTI_SUPER_TYPE]
 406 #define objc_selector_type              objc_global_trees[OCTI_SEL_TYPE]
 407 #define objc_object_type        objc_global_trees[OCTI_ID_TYPE]
 408 #define objc_class_type         objc_global_trees[OCTI_CLS_TYPE]
 409 #define objc_instance_type      objc_global_trees[OCTI_NST_TYPE]
 410 #define objc_protocol_type      objc_global_trees[OCTI_PROTO_TYPE]
 411
 412 /* Type checking macros.  */
 413
 414 #define IS_ID(TYPE)                                                     \
 415         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 416          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 417              == TREE_TYPE (objc_object_type)))
 418 #define IS_CLASS(TYPE)                                                  \
 419         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 420          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 421              == TREE_TYPE (objc_class_type)))
 422 #define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE)                             \
 423         ((IS_ID (TYPE) || IS_CLASS (TYPE))                              \
 424          && TYPE_HAS_OBJC_INFO (TREE_TYPE (TYPE))                       \
 425          && TYPE_OBJC_PROTOCOL_LIST (TREE_TYPE (TYPE)))
 426 #define IS_SUPER(TYPE)                                                  \
 427         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 428          && TREE_TYPE (TYPE) == objc_super_template)
 429
 430 #define interface_chain         objc_global_trees[OCTI_INTF_CHAIN]
 431 #define protocol_chain          objc_global_trees[OCTI_PROTO_CHAIN]
 432 #define implemented_classes     objc_global_trees[OCTI_IMPL_CHAIN]
 433
 434 /* Chains to manage selectors that are referenced and defined in the
 435    module.  */
 436
 437 #define cls_ref_chain           objc_global_trees[OCTI_CLS_REF_CHAIN]   /* Classes referenced.  */
 438 #define sel_ref_chain           objc_global_trees[OCTI_SEL_REF_CHAIN]   /* Selectors referenced.  */
 439 #define objc_ivar_chain         objc_global_trees[OCTI_IVAR_CHAIN]
 440
 441 /* Chains to manage uniquing of strings.  */
 442
 443 #define class_names_chain       objc_global_trees[OCTI_CLS_NAMES_CHAIN]
 444 #define meth_var_names_chain    objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
 445 #define meth_var_types_chain    objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
 446
 447
 448 /* Backend data declarations.  */
 449
 450 #define UOBJC_SYMBOLS_decl              objc_global_trees[OCTI_SYMBOLS_DECL]
 451 #define UOBJC_INSTANCE_VARIABLES_decl   objc_global_trees[OCTI_NST_VAR_DECL]
 452 #define UOBJC_CLASS_VARIABLES_decl      objc_global_trees[OCTI_CLS_VAR_DECL]
 453 #define UOBJC_INSTANCE_METHODS_decl     objc_global_trees[OCTI_NST_METH_DECL]
 454 #define UOBJC_CLASS_METHODS_decl        objc_global_trees[OCTI_CLS_METH_DECL]
 455 #define UOBJC_CLASS_decl                objc_global_trees[OCTI_CLS_DECL]
 456 #define UOBJC_METACLASS_decl            objc_global_trees[OCTI_MCLS_DECL]
 457 #define UOBJC_SELECTOR_TABLE_decl       objc_global_trees[OCTI_SEL_TABLE_DECL]
 458 #define UOBJC_MODULES_decl              objc_global_trees[OCTI_MODULES_DECL]
 459 #define GNU_INIT_decl                   objc_global_trees[OCTI_GNU_INIT_DECL]
 460
 461 /* The following are used when compiling a class implementation.
 462    implementation_template will normally be an interface, however if
 463    none exists this will be equal to objc_implementation_context...it is
 464    set in start_class.  */
 465
 466 #define objc_interface_context          objc_global_trees[OCTI_INTF_CTX]
 467 #define objc_implementation_context     objc_global_trees[OCTI_IMPL_CTX]
 468 #define objc_method_context             objc_global_trees[OCTI_METH_CTX]
 469 #define objc_ivar_context               objc_global_trees[OCTI_IVAR_CTX]
 470
 471 #define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
 472 #define objc_class_template     objc_global_trees[OCTI_CLS_TEMPL]
 473 #define objc_category_template  objc_global_trees[OCTI_CAT_TEMPL]
 474 #define uprivate_record         objc_global_trees[OCTI_UPRIV_REC]
 475 #define objc_protocol_template  objc_global_trees[OCTI_PROTO_TEMPL]
 476 #define objc_selector_template  objc_global_trees[OCTI_SEL_TEMPL]
 477 #define ucls_super_ref          objc_global_trees[OCTI_UCLS_SUPER_REF]
 478 #define uucls_super_ref         objc_global_trees[OCTI_UUCLS_SUPER_REF]
 479
 480 #define umsg_nonnil_decl        objc_global_trees[OCTI_UMSG_NONNIL_DECL]
 481 #define umsg_nonnil_stret_decl  objc_global_trees[OCTI_UMSG_NONNIL_STRET_DECL]
 482 #define objc_storage_class      objc_global_trees[OCTI_STORAGE_CLS]
 483 #define objc_exception_extract_decl             \
 484                                 objc_global_trees[OCTI_EXCEPTION_EXTRACT_DECL]
 485 #define objc_exception_try_enter_decl           \
 486                                 objc_global_trees[OCTI_EXCEPTION_TRY_ENTER_DECL]
 487 #define objc_exception_try_exit_decl            \
 488                                 objc_global_trees[OCTI_EXCEPTION_TRY_EXIT_DECL]
 489 #define objc_exception_match_decl               \
 490                                 objc_global_trees[OCTI_EXCEPTION_MATCH_DECL]
 491 #define objc_exception_throw_decl               \
 492                                 objc_global_trees[OCTI_EXCEPTION_THROW_DECL]
 493 #define objc_sync_enter_decl    objc_global_trees[OCTI_SYNC_ENTER_DECL]
 494 #define objc_sync_exit_decl     objc_global_trees[OCTI_SYNC_EXIT_DECL]
 495 #define objc_exception_data_template            \
 496                                 objc_global_trees[OCTI_EXCDATA_TEMPL]
 497 #define objc_setjmp_decl        objc_global_trees[OCTI_SETJMP_DECL]
 498 #define objc_stack_exception_data               \
 499                                 objc_global_trees[OCTI_STACK_EXCEPTION_DATA_DECL]
 500 #define objc_caught_exception   objc_global_trees[OCTI_LOCAL_EXCEPTION_DECL]
 501 #define objc_rethrow_exception  objc_global_trees[OCTI_RETHROW_EXCEPTION_DECL]
 502 #define objc_eval_once          objc_global_trees[OCTI_EVAL_ONCE_DECL]
 503 #define objc_catch_type         objc_global_trees[OCTI_CATCH_TYPE]
 504
 505 #define execclass_decl          objc_global_trees[OCTI_EXECCLASS_DECL]
 506
 507 #define objc_assign_ivar_decl   objc_global_trees[OCTI_ASSIGN_IVAR_DECL]
 508 #define objc_assign_ivar_fast_decl              \
 509                                 objc_global_trees[OCTI_ASSIGN_IVAR_FAST_DECL]
 510 #define objc_assign_global_decl objc_global_trees[OCTI_ASSIGN_GLOBAL_DECL]
 511 #define objc_assign_strong_cast_decl            \
 512                                 objc_global_trees[OCTI_ASSIGN_STRONGCAST_DECL]
 513
 514 #define objc_method_template    objc_global_trees[OCTI_METH_TEMPL]
 515 #define objc_ivar_template      objc_global_trees[OCTI_IVAR_TEMPL]
 516 #define objc_method_list_ptr    objc_global_trees[OCTI_METH_LIST_TEMPL]
 517 #define objc_method_proto_list_ptr              \
 518                                 objc_global_trees[OCTI_METH_PROTO_LIST_TEMPL]
 519 #define objc_ivar_list_ptr      objc_global_trees[OCTI_IVAR_LIST_TEMPL]
 520 #define objc_symtab_template    objc_global_trees[OCTI_SYMTAB_TEMPL]
 521 #define objc_module_template    objc_global_trees[OCTI_MODULE_TEMPL]
 522 #define objc_super_template     objc_global_trees[OCTI_SUPER_TEMPL]
 523 #define objc_object_reference   objc_global_trees[OCTI_OBJ_REF]
 524 #define objc_class_reference    objc_global_trees[OCTI_CLS_REF]
 525 #define objc_method_prototype_template          \
 526                                 objc_global_trees[OCTI_METH_PROTO_TEMPL]
 527 #define function1_template      objc_global_trees[OCTI_FUNCTION1_TEMPL]
 528 #define function2_template      objc_global_trees[OCTI_FUNCTION2_TEMPL]
 529
 530 #define objc_object_id          objc_global_trees[OCTI_OBJ_ID]
 531 #define objc_class_id           objc_global_trees[OCTI_CLS_ID]
 532 #define objc_object_name                objc_global_trees[OCTI_ID_NAME]
 533 #define objc_class_name         objc_global_trees[OCTI_CLASS_NAME]
 534 #define constant_string_id      objc_global_trees[OCTI_CNST_STR_ID]
 535 #define constant_string_type    objc_global_trees[OCTI_CNST_STR_TYPE]
 536 #define constant_string_global_id               \
 537                                 objc_global_trees[OCTI_CNST_STR_GLOB_ID]
 538 #define string_class_decl       objc_global_trees[OCTI_STRING_CLASS_DECL]
 539 #define internal_const_str_type objc_global_trees[OCTI_INTERNAL_CNST_STR_TYPE]
 540 #define UOBJC_SUPER_decl        objc_global_trees[OCTI_SUPER_DECL]
 541 #define objc_fast_enumeration_state_template    \
 542                                 objc_global_trees[OCTI_FAST_ENUM_STATE_TEMP]
 543 #define objc_enumeration_mutation_decl          \
 544                                 objc_global_trees[OCTI_ENUM_MUTATION_DECL]
 545
 546 /* Declarations of functions used when synthesizing property
 547    accessors.  */
 548 #define objc_getProperty_decl       objc_global_trees[OCTI_GET_PROPERTY_DECL]
 549 #define objc_setProperty_decl       objc_global_trees[OCTI_SET_PROPERTY_DECL]
 550 #define objc_copyStruct_decl        objc_global_trees[OCTI_COPY_STRUCT_DECL]
 551 #define objc_getPropertyStruct_decl objc_global_trees[OCTI_GET_PROPERTY_STRUCT_DECL]
 552 #define objc_setPropertyStruct_decl objc_global_trees[OCTI_SET_PROPERTY_STRUCT_DECL]
 553
 554
 555 #endif /* GCC_OBJC_ACT_H */