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; otherwise, it is set to 0.  */
 104 #define PROPERTY_DYNAMIC(DECL) DECL_LANG_FLAG_2 (DECL)
 105
 106 /* PROPERTY_HAS_NO_GETTER can be 0 or 1.  Normally it is 0, but if
 107    this is an artificial PROPERTY_DECL that we generate even without a
 108    getter, it is set to 1.  */
 109 #define PROPERTY_HAS_NO_GETTER(DECL) DECL_LANG_FLAG_3 (DECL)
 110
 111 /* PROPERTY_HAS_NO_SETTER can be 0 or 1.  Normally it is 0, but if
 112    this is an artificial PROPERTY_DECL that we generate even without a
 113    setter, it is set to 1.  */
 114 #define PROPERTY_HAS_NO_SETTER(DECL) DECL_LANG_FLAG_4 (DECL)
 115
 116 /* PROPERTY_OPTIONAL can be 0 or 1.  Normally it is 0, but if this is
 117    a property declared as @optional in a @protocol, then it is set to
 118    1.  */
 119 #define PROPERTY_OPTIONAL(DECL) DECL_LANG_FLAG_5 (DECL)
 120
 121 /* PROPERTY_REF.  A PROPERTY_REF represents an 'object.property'
 122    expression.  It is normally used for property access, but when
 123    the Objective-C 2.0 "dot-syntax" (object.component) is used
 124    with no matching property, a PROPERTY_REF is still created to
 125    represent it, with an artificial PROPERTY_DECL.  */
 126
 127 /* PROPERTY_REF_OBJECT is the object whose property we are
 128    accessing.  */
 129 #define PROPERTY_REF_OBJECT(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 0)
 130
 131 /* PROPERTY_REF_PROPERTY_DECL is the PROPERTY_DECL for the property
 132    used in the expression.  From it, you can get the property type,
 133    and the getter/setter names.  This PROPERTY_DECL could be artificial
 134    if we are processing an 'object.component' syntax with no matching
 135    declared property.  */
 136 #define PROPERTY_REF_PROPERTY_DECL(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 1)
 137
 138 /* PROPERTY_REF_GETTER_CALL is the getter call expression, ready to
 139    use at gimplify time if needed.  Generating the getter call
 140    requires modifying the selector table, and, in the case of
 141    self/super, requires the context to be generated correctly.  The
 142    gimplify stage is too late to do these things, so we generate the
 143    getter call earlier instead, and keep it here in case we need to
 144    use it.  */
 145 #define PROPERTY_REF_GETTER_CALL(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 2)
 146
 147
 148 /* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
 149    CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
 150    PROTOCOL_INTERFACE_TYPE */
 151 /* CLASS_NAME is the name of the class.  */
 152 #define CLASS_NAME(CLASS) ((CLASS)->type.name)
 153 /* CLASS_SUPER_NAME is the name of the superclass, or, in the case of
 154    categories, it is the name of the category itself.  */
 155 #define CLASS_SUPER_NAME(CLASS) (TYPE_CHECK (CLASS)->type.context)
 156 #define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
 157 #define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
 158 #define CLASS_NST_METHODS(CLASS) ((CLASS)->type.minval)
 159 #define CLASS_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
 160 #define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
 161 #define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
 162 #define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 4)
 163 #define TOTAL_CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 5)
 164
 165 #define PROTOCOL_NAME(CLASS) ((CLASS)->type.name)
 166 #define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
 167 #define PROTOCOL_NST_METHODS(CLASS) ((CLASS)->type.minval)
 168 #define PROTOCOL_CLS_METHODS(CLASS) ((CLASS)->type.maxval)
 169 #define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
 170 #define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
 171 #define PROTOCOL_OPTIONAL_CLS_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
 172 #define PROTOCOL_OPTIONAL_NST_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
 173
 174
 175 /* For CATEGORY_INTERFACE_TYPE, CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE */
 176 #define CLASS_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
 177 /* For CLASS_IMPLEMENTATION_TYPE or CATEGORY_IMPLEMENTATION_TYPE. */
 178 #define IMPL_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
 179
 180 /* TREE_DEPRECATED is used for a CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE.  */
 181
 182 /* TYPE_ATTRIBUTES is used for a CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE.  */
 183
 184 /* ObjC-specific information pertaining to RECORD_TYPEs are stored in
 185    the LANG_SPECIFIC structures, which may itself need allocating first.  */
 186
 187 /* The following three macros must be overridden (in objcp/objcp-decl.h)
 188    for Objective-C++.  */
 189 #define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info
 190 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
 191 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)                             \
 192   do {                                                                  \
 193     TYPE_LANG_SPECIFIC (NODE)                                           \
 194       = ggc_alloc_cleared_lang_type (sizeof (struct lang_type));        \
 195   } while (0)
 196
 197 #define TYPE_HAS_OBJC_INFO(TYPE)                                \
 198         (TYPE_LANG_SPECIFIC (TYPE) && TYPE_OBJC_INFO (TYPE))
 199 #define TYPE_OBJC_INTERFACE(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 0)
 200 #define TYPE_OBJC_PROTOCOL_LIST(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 1)
 201
 202
 203 #define INIT_TYPE_OBJC_INFO(TYPE)                               \
 204         do                                                      \
 205           {                                                     \
 206             if (!TYPE_LANG_SPECIFIC (TYPE))                     \
 207               ALLOC_OBJC_TYPE_LANG_SPECIFIC(TYPE);              \
 208             if (!TYPE_OBJC_INFO (TYPE))                         \
 209               TYPE_OBJC_INFO (TYPE)                             \
 210                 = make_tree_vec (OBJC_INFO_SLOT_ELTS);          \
 211           }                                                     \
 212         while (0)
 213 #define DUP_TYPE_OBJC_INFO(DST, SRC)                            \
 214         do                                                      \
 215           {                                                     \
 216             ALLOC_OBJC_TYPE_LANG_SPECIFIC(DST);                 \
 217             if (TYPE_LANG_SPECIFIC (SRC))                       \
 218               memcpy (TYPE_LANG_SPECIFIC (DST),                 \
 219                       TYPE_LANG_SPECIFIC (SRC),                 \
 220                       SIZEOF_OBJC_TYPE_LANG_SPECIFIC);          \
 221             TYPE_OBJC_INFO (DST)                                \
 222               = make_tree_vec (OBJC_INFO_SLOT_ELTS);            \
 223           }                                                     \
 224         while (0)
 225
 226 #define TYPED_OBJECT(TYPE)                                      \
 227         (TREE_CODE (TYPE) == RECORD_TYPE                        \
 228          && TYPE_HAS_OBJC_INFO (TYPE)                           \
 229          && TYPE_OBJC_INTERFACE (TYPE))
 230 #define OBJC_TYPE_NAME(TYPE) TYPE_NAME(TYPE)
 231 #define OBJC_SET_TYPE_NAME(TYPE, NAME) (TYPE_NAME (TYPE) = NAME)
 232
 233 /* Hash tables to manage the global pool of method prototypes.  */
 234
 235 typedef struct hashed_entry     *hash;
 236 typedef struct hashed_attribute *attr;
 237
 238 struct GTY(()) hashed_attribute {
 239   attr next;
 240   tree value;
 241 };
 242 struct GTY(()) hashed_entry {
 243   attr list;
 244   hash next;
 245   tree key;
 246 };
 247
 248 extern GTY ((length ("SIZEHASHTABLE"))) hash *nst_method_hash_list;
 249 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_method_hash_list;
 250
 251 extern GTY ((length ("SIZEHASHTABLE"))) hash *cls_name_hash_list;
 252 extern GTY ((length ("SIZEHASHTABLE"))) hash *als_name_hash_list;
 253
 254 #define SIZEHASHTABLE           257
 255
 256 /* Objective-C/Objective-C++ @implementation list.  */
 257
 258 struct GTY(()) imp_entry {
 259   struct imp_entry *next;
 260   tree imp_context;
 261   tree imp_template;
 262   tree class_decl;              /* _OBJC_CLASS_<my_name>; */
 263   tree meta_decl;               /* _OBJC_METACLASS_<my_name>; */
 264   BOOL_BITFIELD has_cxx_cdtors : 1;
 265 };
 266
 267 extern GTY(()) struct imp_entry *imp_list;
 268 extern GTY(()) int imp_count;   /* `@implementation' */
 269 extern GTY(()) int cat_count;   /* `@category' */
 270
 271 extern GTY(()) objc_ivar_visibility_kind objc_ivar_visibility;
 272
 273 /* Objective-C/Objective-C++ global tree enumeration.  */
 274
 275 enum objc_tree_index
 276 {
 277     OCTI_STATIC_NST,
 278     OCTI_STATIC_NST_DECL,
 279     OCTI_SELF_ID,
 280     OCTI_UCMD_ID,
 281
 282     OCTI_SELF_DECL,
 283     OCTI_UMSG_DECL,
 284     OCTI_UMSG_FAST_DECL,
 285     OCTI_UMSG_SUPER_DECL,
 286     OCTI_UMSG_STRET_DECL,
 287     OCTI_UMSG_SUPER_STRET_DECL,
 288     OCTI_GET_CLASS_DECL,
 289     OCTI_GET_MCLASS_DECL,
 290     OCTI_SUPER_TYPE,
 291     OCTI_SEL_TYPE,
 292     OCTI_ID_TYPE,
 293     OCTI_CLS_TYPE,
 294     OCTI_NST_TYPE,
 295     OCTI_PROTO_TYPE,
 296
 297     OCTI_INTF_CHAIN,
 298     OCTI_PROTO_CHAIN,
 299     OCTI_IMPL_CHAIN,
 300     OCTI_CLS_REF_CHAIN,
 301     OCTI_SEL_REF_CHAIN,
 302     OCTI_IVAR_CHAIN,
 303     OCTI_CLS_NAMES_CHAIN,
 304     OCTI_METH_VAR_NAMES_CHAIN,
 305     OCTI_METH_VAR_TYPES_CHAIN,
 306
 307     OCTI_SYMBOLS_DECL,
 308     OCTI_NST_VAR_DECL,
 309     OCTI_CLS_VAR_DECL,
 310     OCTI_NST_METH_DECL,
 311     OCTI_CLS_METH_DECL,
 312     OCTI_CLS_DECL,
 313     OCTI_MCLS_DECL,
 314     OCTI_SEL_TABLE_DECL,
 315     OCTI_MODULES_DECL,
 316     OCTI_GNU_INIT_DECL,
 317
 318     OCTI_INTF_CTX,
 319     OCTI_IMPL_CTX,
 320     OCTI_METH_CTX,
 321     OCTI_IVAR_CTX,
 322
 323     OCTI_IMPL_TEMPL,
 324     OCTI_CLS_TEMPL,
 325     OCTI_CAT_TEMPL,
 326     OCTI_UPRIV_REC,
 327     OCTI_PROTO_TEMPL,
 328     OCTI_SEL_TEMPL,
 329     OCTI_UCLS_SUPER_REF,
 330     OCTI_UUCLS_SUPER_REF,
 331     OCTI_METH_TEMPL,
 332     OCTI_IVAR_TEMPL,
 333     OCTI_METH_LIST_TEMPL,
 334     OCTI_METH_PROTO_LIST_TEMPL,
 335     OCTI_IVAR_LIST_TEMPL,
 336     OCTI_SYMTAB_TEMPL,
 337     OCTI_MODULE_TEMPL,
 338     OCTI_SUPER_TEMPL,
 339     OCTI_OBJ_REF,
 340     OCTI_CLS_REF,
 341     OCTI_METH_PROTO_TEMPL,
 342     OCTI_FUNCTION1_TEMPL,
 343     OCTI_FUNCTION2_TEMPL,
 344
 345     OCTI_OBJ_ID,
 346     OCTI_CLS_ID,
 347     OCTI_ID_NAME,
 348     OCTI_CLASS_NAME,
 349     OCTI_CNST_STR_ID,
 350     OCTI_CNST_STR_TYPE,
 351     OCTI_CNST_STR_GLOB_ID,
 352     OCTI_STRING_CLASS_DECL,
 353     OCTI_INTERNAL_CNST_STR_TYPE,
 354     OCTI_SUPER_DECL,
 355     OCTI_UMSG_NONNIL_DECL,
 356     OCTI_UMSG_NONNIL_STRET_DECL,
 357     OCTI_STORAGE_CLS,
 358     OCTI_EXCEPTION_EXTRACT_DECL,
 359     OCTI_EXCEPTION_TRY_ENTER_DECL,
 360     OCTI_EXCEPTION_TRY_EXIT_DECL,
 361     OCTI_EXCEPTION_MATCH_DECL,
 362     OCTI_EXCEPTION_THROW_DECL,
 363     OCTI_SYNC_ENTER_DECL,
 364     OCTI_SYNC_EXIT_DECL,
 365     OCTI_SETJMP_DECL,
 366     OCTI_EXCDATA_TEMPL,
 367     OCTI_STACK_EXCEPTION_DATA_DECL,
 368     OCTI_LOCAL_EXCEPTION_DECL,
 369     OCTI_RETHROW_EXCEPTION_DECL,
 370     OCTI_EVAL_ONCE_DECL,
 371     OCTI_CATCH_TYPE,
 372     OCTI_EXECCLASS_DECL,
 373
 374     OCTI_ASSIGN_IVAR_DECL,
 375     OCTI_ASSIGN_IVAR_FAST_DECL,
 376     OCTI_ASSIGN_GLOBAL_DECL,
 377     OCTI_ASSIGN_STRONGCAST_DECL,
 378
 379     OCTI_FAST_ENUM_STATE_TEMP,
 380     OCTI_ENUM_MUTATION_DECL,
 381
 382     OCTI_GET_PROPERTY_DECL,
 383     OCTI_SET_PROPERTY_DECL,
 384     OCTI_COPY_STRUCT_DECL,
 385     OCTI_GET_PROPERTY_STRUCT_DECL,
 386     OCTI_SET_PROPERTY_STRUCT_DECL,
 387
 388     OCTI_MAX
 389 };
 390
 391 extern GTY(()) tree objc_global_trees[OCTI_MAX];
 392
 393 /* List of classes with list of their static instances.  */
 394 #define objc_static_instances   objc_global_trees[OCTI_STATIC_NST]
 395
 396 /* The declaration of the array administrating the static instances.  */
 397 #define static_instances_decl   objc_global_trees[OCTI_STATIC_NST_DECL]
 398
 399 /* Some commonly used instances of "identifier_node".  */
 400
 401 #define self_id                 objc_global_trees[OCTI_SELF_ID]
 402 #define ucmd_id                 objc_global_trees[OCTI_UCMD_ID]
 403
 404 #define self_decl               objc_global_trees[OCTI_SELF_DECL]
 405 #define umsg_decl               objc_global_trees[OCTI_UMSG_DECL]
 406 #define umsg_fast_decl          objc_global_trees[OCTI_UMSG_FAST_DECL]
 407 #define umsg_super_decl         objc_global_trees[OCTI_UMSG_SUPER_DECL]
 408 #define umsg_stret_decl         objc_global_trees[OCTI_UMSG_STRET_DECL]
 409 #define umsg_super_stret_decl   objc_global_trees[OCTI_UMSG_SUPER_STRET_DECL]
 410 #define objc_get_class_decl     objc_global_trees[OCTI_GET_CLASS_DECL]
 411 #define objc_get_meta_class_decl                        \
 412                                 objc_global_trees[OCTI_GET_MCLASS_DECL]
 413
 414 #define objc_super_type         objc_global_trees[OCTI_SUPER_TYPE]
 415 #define objc_selector_type              objc_global_trees[OCTI_SEL_TYPE]
 416 #define objc_object_type        objc_global_trees[OCTI_ID_TYPE]
 417 #define objc_class_type         objc_global_trees[OCTI_CLS_TYPE]
 418 #define objc_instance_type      objc_global_trees[OCTI_NST_TYPE]
 419 #define objc_protocol_type      objc_global_trees[OCTI_PROTO_TYPE]
 420
 421 /* Type checking macros.  */
 422
 423 #define IS_ID(TYPE)                                                     \
 424         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 425          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 426              == TREE_TYPE (objc_object_type)))
 427 #define IS_CLASS(TYPE)                                                  \
 428         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 429          && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE))                       \
 430              == TREE_TYPE (objc_class_type)))
 431 #define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE)                             \
 432         ((IS_ID (TYPE) || IS_CLASS (TYPE))                              \
 433          && TYPE_HAS_OBJC_INFO (TREE_TYPE (TYPE))                       \
 434          && TYPE_OBJC_PROTOCOL_LIST (TREE_TYPE (TYPE)))
 435 #define IS_SUPER(TYPE)                                                  \
 436         (TREE_CODE (TYPE) == POINTER_TYPE                               \
 437          && TREE_TYPE (TYPE) == objc_super_template)
 438
 439 #define interface_chain         objc_global_trees[OCTI_INTF_CHAIN]
 440 #define protocol_chain          objc_global_trees[OCTI_PROTO_CHAIN]
 441 #define implemented_classes     objc_global_trees[OCTI_IMPL_CHAIN]
 442
 443 /* Chains to manage selectors that are referenced and defined in the
 444    module.  */
 445
 446 #define cls_ref_chain           objc_global_trees[OCTI_CLS_REF_CHAIN]   /* Classes referenced.  */
 447 #define sel_ref_chain           objc_global_trees[OCTI_SEL_REF_CHAIN]   /* Selectors referenced.  */
 448 #define objc_ivar_chain         objc_global_trees[OCTI_IVAR_CHAIN]
 449
 450 /* Chains to manage uniquing of strings.  */
 451
 452 #define class_names_chain       objc_global_trees[OCTI_CLS_NAMES_CHAIN]
 453 #define meth_var_names_chain    objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
 454 #define meth_var_types_chain    objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
 455
 456
 457 /* Backend data declarations.  */
 458
 459 #define UOBJC_SYMBOLS_decl              objc_global_trees[OCTI_SYMBOLS_DECL]
 460 #define UOBJC_INSTANCE_VARIABLES_decl   objc_global_trees[OCTI_NST_VAR_DECL]
 461 #define UOBJC_CLASS_VARIABLES_decl      objc_global_trees[OCTI_CLS_VAR_DECL]
 462 #define UOBJC_INSTANCE_METHODS_decl     objc_global_trees[OCTI_NST_METH_DECL]
 463 #define UOBJC_CLASS_METHODS_decl        objc_global_trees[OCTI_CLS_METH_DECL]
 464 #define UOBJC_CLASS_decl                objc_global_trees[OCTI_CLS_DECL]
 465 #define UOBJC_METACLASS_decl            objc_global_trees[OCTI_MCLS_DECL]
 466 #define UOBJC_SELECTOR_TABLE_decl       objc_global_trees[OCTI_SEL_TABLE_DECL]
 467 #define UOBJC_MODULES_decl              objc_global_trees[OCTI_MODULES_DECL]
 468 #define GNU_INIT_decl                   objc_global_trees[OCTI_GNU_INIT_DECL]
 469
 470 /* The following are used when compiling a class implementation.
 471    implementation_template will normally be an interface, however if
 472    none exists this will be equal to objc_implementation_context...it is
 473    set in start_class.  */
 474
 475 #define objc_interface_context          objc_global_trees[OCTI_INTF_CTX]
 476 #define objc_implementation_context     objc_global_trees[OCTI_IMPL_CTX]
 477 #define objc_method_context             objc_global_trees[OCTI_METH_CTX]
 478 #define objc_ivar_context               objc_global_trees[OCTI_IVAR_CTX]
 479
 480 #define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
 481 #define objc_class_template     objc_global_trees[OCTI_CLS_TEMPL]
 482 #define objc_category_template  objc_global_trees[OCTI_CAT_TEMPL]
 483 #define uprivate_record         objc_global_trees[OCTI_UPRIV_REC]
 484 #define objc_protocol_template  objc_global_trees[OCTI_PROTO_TEMPL]
 485 #define objc_selector_template  objc_global_trees[OCTI_SEL_TEMPL]
 486 #define ucls_super_ref          objc_global_trees[OCTI_UCLS_SUPER_REF]
 487 #define uucls_super_ref         objc_global_trees[OCTI_UUCLS_SUPER_REF]
 488
 489 #define umsg_nonnil_decl        objc_global_trees[OCTI_UMSG_NONNIL_DECL]
 490 #define umsg_nonnil_stret_decl  objc_global_trees[OCTI_UMSG_NONNIL_STRET_DECL]
 491 #define objc_storage_class      objc_global_trees[OCTI_STORAGE_CLS]
 492 #define objc_exception_extract_decl             \
 493                                 objc_global_trees[OCTI_EXCEPTION_EXTRACT_DECL]
 494 #define objc_exception_try_enter_decl           \
 495                                 objc_global_trees[OCTI_EXCEPTION_TRY_ENTER_DECL]
 496 #define objc_exception_try_exit_decl            \
 497                                 objc_global_trees[OCTI_EXCEPTION_TRY_EXIT_DECL]
 498 #define objc_exception_match_decl               \
 499                                 objc_global_trees[OCTI_EXCEPTION_MATCH_DECL]
 500 #define objc_exception_throw_decl               \
 501                                 objc_global_trees[OCTI_EXCEPTION_THROW_DECL]
 502 #define objc_sync_enter_decl    objc_global_trees[OCTI_SYNC_ENTER_DECL]
 503 #define objc_sync_exit_decl     objc_global_trees[OCTI_SYNC_EXIT_DECL]
 504 #define objc_exception_data_template            \
 505                                 objc_global_trees[OCTI_EXCDATA_TEMPL]
 506 #define objc_setjmp_decl        objc_global_trees[OCTI_SETJMP_DECL]
 507 #define objc_stack_exception_data               \
 508                                 objc_global_trees[OCTI_STACK_EXCEPTION_DATA_DECL]
 509 #define objc_caught_exception   objc_global_trees[OCTI_LOCAL_EXCEPTION_DECL]
 510 #define objc_rethrow_exception  objc_global_trees[OCTI_RETHROW_EXCEPTION_DECL]
 511 #define objc_eval_once          objc_global_trees[OCTI_EVAL_ONCE_DECL]
 512 #define objc_catch_type         objc_global_trees[OCTI_CATCH_TYPE]
 513
 514 #define execclass_decl          objc_global_trees[OCTI_EXECCLASS_DECL]
 515
 516 #define objc_assign_ivar_decl   objc_global_trees[OCTI_ASSIGN_IVAR_DECL]
 517 #define objc_assign_ivar_fast_decl              \
 518                                 objc_global_trees[OCTI_ASSIGN_IVAR_FAST_DECL]
 519 #define objc_assign_global_decl objc_global_trees[OCTI_ASSIGN_GLOBAL_DECL]
 520 #define objc_assign_strong_cast_decl            \
 521                                 objc_global_trees[OCTI_ASSIGN_STRONGCAST_DECL]
 522
 523 #define objc_method_template    objc_global_trees[OCTI_METH_TEMPL]
 524 #define objc_ivar_template      objc_global_trees[OCTI_IVAR_TEMPL]
 525 #define objc_method_list_ptr    objc_global_trees[OCTI_METH_LIST_TEMPL]
 526 #define objc_method_proto_list_ptr              \
 527                                 objc_global_trees[OCTI_METH_PROTO_LIST_TEMPL]
 528 #define objc_ivar_list_ptr      objc_global_trees[OCTI_IVAR_LIST_TEMPL]
 529 #define objc_symtab_template    objc_global_trees[OCTI_SYMTAB_TEMPL]
 530 #define objc_module_template    objc_global_trees[OCTI_MODULE_TEMPL]
 531 #define objc_super_template     objc_global_trees[OCTI_SUPER_TEMPL]
 532 #define objc_object_reference   objc_global_trees[OCTI_OBJ_REF]
 533 #define objc_class_reference    objc_global_trees[OCTI_CLS_REF]
 534 #define objc_method_prototype_template          \
 535                                 objc_global_trees[OCTI_METH_PROTO_TEMPL]
 536 #define function1_template      objc_global_trees[OCTI_FUNCTION1_TEMPL]
 537 #define function2_template      objc_global_trees[OCTI_FUNCTION2_TEMPL]
 538
 539 #define objc_object_id          objc_global_trees[OCTI_OBJ_ID]
 540 #define objc_class_id           objc_global_trees[OCTI_CLS_ID]
 541 #define objc_object_name                objc_global_trees[OCTI_ID_NAME]
 542 #define objc_class_name         objc_global_trees[OCTI_CLASS_NAME]
 543 #define constant_string_id      objc_global_trees[OCTI_CNST_STR_ID]
 544 #define constant_string_type    objc_global_trees[OCTI_CNST_STR_TYPE]
 545 #define constant_string_global_id               \
 546                                 objc_global_trees[OCTI_CNST_STR_GLOB_ID]
 547 #define string_class_decl       objc_global_trees[OCTI_STRING_CLASS_DECL]
 548 #define internal_const_str_type objc_global_trees[OCTI_INTERNAL_CNST_STR_TYPE]
 549 #define UOBJC_SUPER_decl        objc_global_trees[OCTI_SUPER_DECL]
 550 #define objc_fast_enumeration_state_template    \
 551                                 objc_global_trees[OCTI_FAST_ENUM_STATE_TEMP]
 552 #define objc_enumeration_mutation_decl          \
 553                                 objc_global_trees[OCTI_ENUM_MUTATION_DECL]
 554
 555 /* Declarations of functions used when synthesizing property
 556    accessors.  */
 557 #define objc_getProperty_decl       objc_global_trees[OCTI_GET_PROPERTY_DECL]
 558 #define objc_setProperty_decl       objc_global_trees[OCTI_SET_PROPERTY_DECL]
 559 #define objc_copyStruct_decl        objc_global_trees[OCTI_COPY_STRUCT_DECL]
 560 #define objc_getPropertyStruct_decl objc_global_trees[OCTI_GET_PROPERTY_STRUCT_DECL]
 561 #define objc_setPropertyStruct_decl objc_global_trees[OCTI_SET_PROPERTY_STRUCT_DECL]
 562
 563
 564 #endif /* GCC_OBJC_ACT_H */