1 /* Declarations for objc-act.c.
2 Copyright (C) 1990-2019 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_OBJC_ACT_H
22 #define GCC_OBJC_ACT_H
24 /*** Language hooks ***/
26 bool objc_init (void);
27 const char *objc_printable_name (tree
, int);
28 int objc_gimplify_expr (tree
*, gimple_seq
*, gimple_seq
*);
29 void objc_common_init_ts (void);
31 /* NB: The remaining public functions are prototyped in c-common.h, for the
32 benefit of stub-objc.c and objc-act.c. */
34 /* Objective-C structures */
36 #define CLASS_LANG_SLOT_ELTS 7
37 #define PROTOCOL_LANG_SLOT_ELTS 7
38 #define OBJC_INFO_SLOT_ELTS 2
41 #define KEYWORD_KEY_NAME(DECL) (KEYWORD_DECL_CHECK (DECL)->decl_minimal.name)
42 #define KEYWORD_ARG_NAME(DECL) (KEYWORD_DECL_CHECK (DECL)->decl_common.size)
44 #define INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK(NODE) \
45 TREE_CHECK2(NODE,INSTANCE_METHOD_DECL,CLASS_METHOD_DECL)
47 /* INSTANCE_METHOD_DECL, CLASS_METHOD_DECL */
48 #define METHOD_SEL_NAME(DECL) \
49 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_minimal.name)
50 #define METHOD_SEL_ARGS(DECL) \
51 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_common.size)
52 #define METHOD_ADD_ARGS(DECL) \
53 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_non_common.result)
54 #define METHOD_ADD_ARGS_ELLIPSIS_P(DECL) \
55 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_common.lang_flag_0)
56 #define METHOD_DEFINITION(DECL) \
57 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_common.initial)
58 #define METHOD_ENCODING(DECL) \
59 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_minimal.context)
60 #define METHOD_TYPE_ATTRIBUTES(DECL) \
61 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_common.abstract_origin)
62 #define METHOD_PROPERTY_CONTEXT(DECL) \
63 (INSTANCE_METHOD_OR_CLASS_METHOD_DECL_CHECK (DECL)->decl_common.size_unit)
66 /* PROPERTY_DECL. A PROPERTY_DECL repesents a @property declaration
67 (when attached to the list of properties of an interface) or a
68 @synthesize or @dynamic declaration (when attached to the list of
69 properties of an implementation). */
71 /* TREE_TYPE is the type (int, float, etc) of the property. */
73 /* DECL_ARTIFICIAL is set to 1 if the PROPERTY_DECL is an artificial
74 property declaration created when the dot-syntax object.component
75 is used with no actual @property matching the component, but a
76 valid getter/setter. */
78 /* PROPERTY_NAME is the name of the property. */
79 #define PROPERTY_NAME(DECL) \
80 DECL_NAME(PROPERTY_DECL_CHECK (DECL))
82 /* PROPERTY_GETTER_NAME is the identifier of the getter method. */
83 #define PROPERTY_GETTER_NAME(DECL)\
84 (PROPERTY_DECL_CHECK (DECL)->decl_common.size)
86 /* PROPERTY_SETTER_NAME is the identifier of the setter method. */
87 #define PROPERTY_SETTER_NAME(DECL) \
88 (PROPERTY_DECL_CHECK (DECL)->decl_non_common.result)
90 /* PROPERTY_READONLY can be 0 or 1. */
91 #define PROPERTY_READONLY(DECL) \
92 DECL_LANG_FLAG_0 (PROPERTY_DECL_CHECK (DECL))
94 /* PROPERTY_NONATOMIC can be 0 or 1. */
95 #define PROPERTY_NONATOMIC(DECL) \
96 DECL_LANG_FLAG_1 (PROPERTY_DECL_CHECK (DECL))
98 enum objc_property_assign_semantics
{
99 OBJC_PROPERTY_ASSIGN
= 1,
100 OBJC_PROPERTY_RETAIN
= 2,
101 OBJC_PROPERTY_COPY
= 3
104 /* PROPERTY_ASSIGN_SEMANTICS can be OBJC_PROPERTY_ASSIGN,
105 OBJC_PROPERTY_RETAIN or OBJC_PROPERTY_COPY. We need an integer to
106 store it, so we hijack the alignment, that properties don't
108 #define PROPERTY_ASSIGN_SEMANTICS(DECL) \
109 (PROPERTY_DECL_CHECK (DECL)->decl_common.align)
111 /* PROPERTY_IVAR_NAME is the identifier of the instance variable.
112 This is set only if the PROPERTY_DECL represents a @synthesize;
113 otherwise, it is set to TREE_NULL. */
114 #define PROPERTY_IVAR_NAME(DECL) \
115 (PROPERTY_DECL_CHECK (DECL)->decl_common.initial)
117 /* PROPERTY_DYNAMIC can be 0 or 1. This is 1 if the PROPERTY_DECL
118 represents a @dynamic; otherwise, it is set to 0. */
119 #define PROPERTY_DYNAMIC(DECL) \
120 DECL_LANG_FLAG_2 (PROPERTY_DECL_CHECK (DECL))
122 /* PROPERTY_HAS_NO_GETTER can be 0 or 1. Normally it is 0, but if
123 this is an artificial PROPERTY_DECL that we generate even without a
124 getter, it is set to 1. */
125 #define PROPERTY_HAS_NO_GETTER(DECL) \
126 DECL_LANG_FLAG_3 (PROPERTY_DECL_CHECK (DECL))
128 /* PROPERTY_HAS_NO_SETTER can be 0 or 1. Normally it is 0, but if
129 this is an artificial PROPERTY_DECL that we generate even without a
130 setter, it is set to 1. */
131 #define PROPERTY_HAS_NO_SETTER(DECL) \
132 DECL_LANG_FLAG_4 (PROPERTY_DECL_CHECK (DECL))
134 /* PROPERTY_OPTIONAL can be 0 or 1. Normally it is 0, but if this is
135 a property declared as @optional in a @protocol, then it is set to
137 #define PROPERTY_OPTIONAL(DECL) \
138 DECL_LANG_FLAG_5 (PROPERTY_DECL_CHECK (DECL))
140 /* PROPERTY_REF. A PROPERTY_REF represents an 'object.property'
141 expression. It is normally used for property access, but when
142 the Objective-C 2.0 "dot-syntax" (object.component) is used
143 with no matching property, a PROPERTY_REF is still created to
144 represent it, with an artificial PROPERTY_DECL. */
146 /* PROPERTY_REF_OBJECT is the object whose property we are
148 #define PROPERTY_REF_OBJECT(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 0)
150 /* PROPERTY_REF_PROPERTY_DECL is the PROPERTY_DECL for the property
151 used in the expression. From it, you can get the property type,
152 and the getter/setter names. This PROPERTY_DECL could be artificial
153 if we are processing an 'object.component' syntax with no matching
154 declared property. */
155 #define PROPERTY_REF_PROPERTY_DECL(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 1)
157 /* PROPERTY_REF_GETTER_CALL is the getter call expression, ready to
158 use at gimplify time if needed. Generating the getter call
159 requires modifying the selector table, and, in the case of
160 self/super, requires the context to be generated correctly. The
161 gimplify stage is too late to do these things, so we generate the
162 getter call earlier instead, and keep it here in case we need to
164 #define PROPERTY_REF_GETTER_CALL(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 2)
166 /* PROPERTY_REF_DEPRECATED_GETTER is normally set to NULL_TREE. If
167 the property getter is deprecated, it is set to the method
168 prototype for it, which is used to generate the deprecation warning
169 when the getter is used. */
170 #define PROPERTY_REF_DEPRECATED_GETTER(NODE) TREE_OPERAND (PROPERTY_REF_CHECK (NODE), 3)
172 /* CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
173 CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
174 PROTOCOL_INTERFACE_TYPE */
175 /* CLASS_NAME is the name of the class. */
176 #define CLASS_NAME(CLASS) (TYPE_NAME (CLASS))
177 /* CLASS_SUPER_NAME is the name of the superclass, or, in the case of
178 categories, it is the name of the category itself. */
179 #define CLASS_SUPER_NAME(CLASS) (TYPE_CONTEXT (CLASS))
180 #define CLASS_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
181 #define CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
182 #define CLASS_NST_METHODS(CLASS) (TYPE_MIN_VALUE_RAW (CLASS))
183 #define CLASS_CLS_METHODS(CLASS) (TYPE_MAX_VALUE_RAW (CLASS))
184 #define CLASS_STATIC_TEMPLATE(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
185 #define CLASS_CATEGORY_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
186 #define CLASS_PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 4)
187 #define TOTAL_CLASS_RAW_IVARS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 5)
188 #define CLASS_HAS_EXCEPTION_ATTR(CLASS) (TYPE_LANG_FLAG_0 (CLASS))
190 #define PROTOCOL_NAME(CLASS) (TYPE_NAME (CLASS))
191 #define PROTOCOL_LIST(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 0)
192 #define PROTOCOL_NST_METHODS(CLASS) (TYPE_MIN_VALUE_RAW (CLASS))
193 #define PROTOCOL_CLS_METHODS(CLASS) (TYPE_MAX_VALUE_RAW (CLASS))
194 #define PROTOCOL_FORWARD_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 1)
195 #define PROTOCOL_DEFINED(CLASS) TREE_USED (CLASS)
196 #define PROTOCOL_OPTIONAL_CLS_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 2)
197 #define PROTOCOL_OPTIONAL_NST_METHODS(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 3)
199 /* For CATEGORY_INTERFACE_TYPE, CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE */
200 #define CLASS_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
201 /* For CLASS_IMPLEMENTATION_TYPE or CATEGORY_IMPLEMENTATION_TYPE. */
202 #define IMPL_PROPERTY_DECL(CLASS) TREE_VEC_ELT (TYPE_LANG_SLOT_1 (CLASS), 6)
204 /* TREE_DEPRECATED is used for a CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE. */
206 /* TYPE_ATTRIBUTES is used for a CLASS_INTERFACE_TYPE or PROTOCOL_INTERFACE_TYPE. */
208 /* ObjC-specific information pertaining to RECORD_TYPEs are stored in
209 the LANG_SPECIFIC structures, which may itself need allocating first. */
211 /* The following three macros must be overridden (in objcp/objcp-decl.h)
212 for Objective-C++. */
213 #define TYPE_OBJC_INFO(TYPE) TYPE_LANG_SPECIFIC (TYPE)->objc_info
214 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
215 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE) \
217 TYPE_LANG_SPECIFIC (NODE) = ggc_cleared_alloc<struct lang_type> (); \
220 #define TYPE_HAS_OBJC_INFO(TYPE) \
221 (TYPE_LANG_SPECIFIC (TYPE) && TYPE_OBJC_INFO (TYPE))
222 #define TYPE_OBJC_INTERFACE(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 0)
223 #define TYPE_OBJC_PROTOCOL_LIST(TYPE) TREE_VEC_ELT (TYPE_OBJC_INFO (TYPE), 1)
226 #define INIT_TYPE_OBJC_INFO(TYPE) \
229 if (!TYPE_LANG_SPECIFIC (TYPE)) \
230 ALLOC_OBJC_TYPE_LANG_SPECIFIC(TYPE); \
231 if (!TYPE_OBJC_INFO (TYPE)) \
232 TYPE_OBJC_INFO (TYPE) \
233 = make_tree_vec (OBJC_INFO_SLOT_ELTS); \
237 #define DUP_TYPE_OBJC_INFO(DST, SRC) \
240 ALLOC_OBJC_TYPE_LANG_SPECIFIC(DST); \
241 if (TYPE_LANG_SPECIFIC (SRC)) \
242 memcpy (TYPE_LANG_SPECIFIC (DST), \
243 TYPE_LANG_SPECIFIC (SRC), \
244 SIZEOF_OBJC_TYPE_LANG_SPECIFIC); \
245 TYPE_OBJC_INFO (DST) \
246 = make_tree_vec (OBJC_INFO_SLOT_ELTS); \
250 #define TYPED_OBJECT(TYPE) \
251 (TREE_CODE (TYPE) == RECORD_TYPE \
252 && TYPE_HAS_OBJC_INFO (TYPE) \
253 && TYPE_OBJC_INTERFACE (TYPE))
254 #define OBJC_TYPE_NAME(TYPE) TYPE_NAME(TYPE)
255 #define OBJC_SET_TYPE_NAME(TYPE, NAME) (TYPE_NAME (TYPE) = NAME)
257 /* Hash tables to manage the global pool of method prototypes. */
259 typedef struct hashed_entry
*hash
;
260 typedef struct hashed_attribute
*attr
;
262 struct GTY(()) hashed_attribute
{
267 struct GTY(()) hashed_entry
{
273 #define SIZEHASHTABLE 257
275 /* An array of all the local variables in the current function that
276 need to be marked as volatile. */
277 extern GTY(()) vec
<tree
, va_gc
> *local_variables_to_volatilize
;
279 /* Objective-C/Objective-C++ @implementation list. */
281 struct GTY(()) imp_entry
{
282 struct imp_entry
*next
;
285 tree class_decl
; /* _OBJC[_v2]_CLASS/CATEGORY_<my_name>; */
286 tree meta_decl
; /* _OBJC[_v2]_METACLASS_<my_name>; */
287 BOOL_BITFIELD has_cxx_cdtors
: 1;
290 extern GTY(()) struct imp_entry
*imp_list
;
291 extern GTY(()) int imp_count
; /* `@implementation' */
292 extern GTY(()) int cat_count
; /* `@category' */
294 extern GTY(()) enum objc_ivar_visibility_kind objc_ivar_visibility
;
296 /* Objective-C/Objective-C++ global tree enumeration. */
301 OCTI_STATIC_NST_DECL
,
308 OCTI_UMSG_SUPER_DECL
,
309 OCTI_UMSG_STRET_DECL
,
310 OCTI_UMSG_SUPER_STRET_DECL
,
312 OCTI_GET_MCLASS_DECL
,
326 OCTI_CLS_NAMES_CHAIN
,
327 OCTI_METH_VAR_NAMES_CHAIN
,
328 OCTI_METH_VAR_TYPES_CHAIN
,
353 OCTI_UUCLS_SUPER_REF
,
356 OCTI_METH_LIST_TEMPL
,
357 OCTI_METH_PROTO_LIST_TEMPL
,
358 OCTI_IVAR_LIST_TEMPL
,
364 OCTI_METH_PROTO_TEMPL
,
365 OCTI_FUNCTION1_TEMPL
,
366 OCTI_FUNCTION2_TEMPL
,
374 OCTI_CNST_STR_GLOB_ID
,
375 OCTI_STRING_CLASS_DECL
,
376 OCTI_INTERNAL_CNST_STR_TYPE
,
378 OCTI_SUPER_SUPERFIELD_ID
,
379 OCTI_UMSG_NONNIL_DECL
,
380 OCTI_UMSG_NONNIL_STRET_DECL
,
382 OCTI_EXCEPTION_EXTRACT_DECL
,
383 OCTI_EXCEPTION_TRY_ENTER_DECL
,
384 OCTI_EXCEPTION_TRY_EXIT_DECL
,
385 OCTI_EXCEPTION_MATCH_DECL
,
386 OCTI_EXCEPTION_THROW_DECL
,
387 OCTI_SYNC_ENTER_DECL
,
391 OCTI_STACK_EXCEPTION_DATA_DECL
,
392 OCTI_LOCAL_EXCEPTION_DECL
,
393 OCTI_RETHROW_EXCEPTION_DECL
,
398 OCTI_ASSIGN_IVAR_DECL
,
399 OCTI_ASSIGN_IVAR_FAST_DECL
,
400 OCTI_ASSIGN_GLOBAL_DECL
,
401 OCTI_ASSIGN_STRONGCAST_DECL
,
403 OCTI_FAST_ENUM_STATE_TEMP
,
404 OCTI_ENUM_MUTATION_DECL
,
406 OCTI_GET_PROPERTY_DECL
,
407 OCTI_SET_PROPERTY_DECL
,
408 OCTI_COPY_STRUCT_DECL
,
409 OCTI_GET_PROPERTY_STRUCT_DECL
,
410 OCTI_SET_PROPERTY_STRUCT_DECL
,
412 /* TODO: Add comment. */
414 OCTI_V1_PROP_LIST_TEMPL
,
415 OCTI_V1_PROP_NAME_ATTR_CHAIN
,
420 extern GTY(()) tree objc_global_trees
[OCTI_MAX
];
422 /* List of classes with list of their static instances. */
423 #define objc_static_instances objc_global_trees[OCTI_STATIC_NST]
425 /* The declaration of the array administrating the static instances. */
426 #define static_instances_decl objc_global_trees[OCTI_STATIC_NST_DECL]
428 /* Some commonly used instances of "identifier_node". */
430 #define self_id objc_global_trees[OCTI_SELF_ID]
431 #define ucmd_id objc_global_trees[OCTI_UCMD_ID]
433 #define self_decl objc_global_trees[OCTI_SELF_DECL]
434 #define umsg_decl objc_global_trees[OCTI_UMSG_DECL]
435 #define umsg_fast_decl objc_global_trees[OCTI_UMSG_FAST_DECL]
436 #define umsg_super_decl objc_global_trees[OCTI_UMSG_SUPER_DECL]
437 #define umsg_stret_decl objc_global_trees[OCTI_UMSG_STRET_DECL]
438 #define umsg_super_stret_decl objc_global_trees[OCTI_UMSG_SUPER_STRET_DECL]
439 #define objc_get_class_decl objc_global_trees[OCTI_GET_CLASS_DECL]
440 #define objc_get_meta_class_decl \
441 objc_global_trees[OCTI_GET_MCLASS_DECL]
443 #define objc_super_type objc_global_trees[OCTI_SUPER_TYPE]
444 #define objc_selector_type objc_global_trees[OCTI_SEL_TYPE]
445 #define objc_object_type objc_global_trees[OCTI_ID_TYPE]
446 #define objc_class_type objc_global_trees[OCTI_CLS_TYPE]
447 #define objc_instance_type objc_global_trees[OCTI_NST_TYPE]
448 #define objc_protocol_type objc_global_trees[OCTI_PROTO_TYPE]
450 /* Type checking macros. */
452 #define IS_ID(TYPE) \
453 (TREE_CODE (TYPE) == POINTER_TYPE \
454 && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE)) \
455 == TREE_TYPE (objc_object_type)))
457 #define IS_CLASS(TYPE) \
458 (TREE_CODE (TYPE) == POINTER_TYPE \
459 && (TYPE_MAIN_VARIANT (TREE_TYPE (TYPE)) \
460 == TREE_TYPE (objc_class_type)))
462 #define IS_PROTOCOL_QUALIFIED_UNTYPED(TYPE) \
463 ((IS_ID (TYPE) || IS_CLASS (TYPE)) \
464 && TYPE_HAS_OBJC_INFO (TREE_TYPE (TYPE)) \
465 && TYPE_OBJC_PROTOCOL_LIST (TREE_TYPE (TYPE)))
467 #define IS_SUPER(TYPE) \
468 (TREE_CODE (TYPE) == POINTER_TYPE \
469 && TREE_TYPE (TYPE) == objc_super_template)
471 #define interface_chain objc_global_trees[OCTI_INTF_CHAIN]
472 #define protocol_chain objc_global_trees[OCTI_PROTO_CHAIN]
473 #define implemented_classes objc_global_trees[OCTI_IMPL_CHAIN]
475 /* Chains to manage selectors that are referenced and defined in the
478 #define cls_ref_chain objc_global_trees[OCTI_CLS_REF_CHAIN] /* Classes referenced. */
479 #define sel_ref_chain objc_global_trees[OCTI_SEL_REF_CHAIN] /* Selectors referenced. */
480 #define objc_ivar_chain objc_global_trees[OCTI_IVAR_CHAIN]
482 /* Chains to manage uniquing of strings. */
484 #define class_names_chain objc_global_trees[OCTI_CLS_NAMES_CHAIN]
485 #define meth_var_names_chain objc_global_trees[OCTI_METH_VAR_NAMES_CHAIN]
486 #define meth_var_types_chain objc_global_trees[OCTI_METH_VAR_TYPES_CHAIN]
489 /* Backend data declarations. */
491 #define UOBJC_SYMBOLS_decl objc_global_trees[OCTI_SYMBOLS_DECL]
492 #define UOBJC_INSTANCE_VARIABLES_decl objc_global_trees[OCTI_NST_VAR_DECL]
493 #define UOBJC_CLASS_VARIABLES_decl objc_global_trees[OCTI_CLS_VAR_DECL]
494 #define UOBJC_INSTANCE_METHODS_decl objc_global_trees[OCTI_NST_METH_DECL]
495 #define UOBJC_CLASS_METHODS_decl objc_global_trees[OCTI_CLS_METH_DECL]
496 #define UOBJC_CLASS_decl objc_global_trees[OCTI_CLS_DECL]
497 #define UOBJC_METACLASS_decl objc_global_trees[OCTI_MCLS_DECL]
498 #define UOBJC_SELECTOR_TABLE_decl objc_global_trees[OCTI_SEL_TABLE_DECL]
499 #define UOBJC_MODULES_decl objc_global_trees[OCTI_MODULES_DECL]
500 #define GNU_INIT_decl objc_global_trees[OCTI_GNU_INIT_DECL]
502 /* The following are used when compiling a class implementation.
503 implementation_template will normally be an interface, however if
504 none exists this will be equal to objc_implementation_context...it is
505 set in start_class. */
507 #define objc_interface_context objc_global_trees[OCTI_INTF_CTX]
508 #define objc_implementation_context objc_global_trees[OCTI_IMPL_CTX]
509 #define objc_method_context objc_global_trees[OCTI_METH_CTX]
510 #define objc_ivar_context objc_global_trees[OCTI_IVAR_CTX]
512 #define implementation_template objc_global_trees[OCTI_IMPL_TEMPL]
513 #define objc_class_template objc_global_trees[OCTI_CLS_TEMPL]
514 #define objc_category_template objc_global_trees[OCTI_CAT_TEMPL]
515 #define uprivate_record objc_global_trees[OCTI_UPRIV_REC]
516 #define objc_protocol_template objc_global_trees[OCTI_PROTO_TEMPL]
517 #define objc_selector_template objc_global_trees[OCTI_SEL_TEMPL]
518 #define ucls_super_ref objc_global_trees[OCTI_UCLS_SUPER_REF]
519 #define uucls_super_ref objc_global_trees[OCTI_UUCLS_SUPER_REF]
521 #define umsg_nonnil_decl objc_global_trees[OCTI_UMSG_NONNIL_DECL]
522 #define umsg_nonnil_stret_decl objc_global_trees[OCTI_UMSG_NONNIL_STRET_DECL]
523 #define objc_storage_class objc_global_trees[OCTI_STORAGE_CLS]
524 #define objc_exception_extract_decl \
525 objc_global_trees[OCTI_EXCEPTION_EXTRACT_DECL]
526 #define objc_exception_try_enter_decl \
527 objc_global_trees[OCTI_EXCEPTION_TRY_ENTER_DECL]
528 #define objc_exception_try_exit_decl \
529 objc_global_trees[OCTI_EXCEPTION_TRY_EXIT_DECL]
530 #define objc_exception_match_decl \
531 objc_global_trees[OCTI_EXCEPTION_MATCH_DECL]
532 #define objc_exception_throw_decl \
533 objc_global_trees[OCTI_EXCEPTION_THROW_DECL]
534 #define objc_sync_enter_decl objc_global_trees[OCTI_SYNC_ENTER_DECL]
535 #define objc_sync_exit_decl objc_global_trees[OCTI_SYNC_EXIT_DECL]
536 #define objc_exception_data_template \
537 objc_global_trees[OCTI_EXCDATA_TEMPL]
538 #define objc_setjmp_decl objc_global_trees[OCTI_SETJMP_DECL]
539 #define objc_stack_exception_data \
540 objc_global_trees[OCTI_STACK_EXCEPTION_DATA_DECL]
541 #define objc_caught_exception objc_global_trees[OCTI_LOCAL_EXCEPTION_DECL]
542 #define objc_rethrow_exception objc_global_trees[OCTI_RETHROW_EXCEPTION_DECL]
543 #define objc_eval_once objc_global_trees[OCTI_EVAL_ONCE_DECL]
544 #define objc_catch_type objc_global_trees[OCTI_CATCH_TYPE]
546 #define execclass_decl objc_global_trees[OCTI_EXECCLASS_DECL]
548 #define objc_assign_ivar_decl objc_global_trees[OCTI_ASSIGN_IVAR_DECL]
549 #define objc_assign_ivar_fast_decl \
550 objc_global_trees[OCTI_ASSIGN_IVAR_FAST_DECL]
551 #define objc_assign_global_decl objc_global_trees[OCTI_ASSIGN_GLOBAL_DECL]
552 #define objc_assign_strong_cast_decl \
553 objc_global_trees[OCTI_ASSIGN_STRONGCAST_DECL]
555 #define objc_method_template objc_global_trees[OCTI_METH_TEMPL]
556 #define objc_ivar_template objc_global_trees[OCTI_IVAR_TEMPL]
557 #define objc_method_list_ptr objc_global_trees[OCTI_METH_LIST_TEMPL]
558 #define objc_method_proto_list_ptr \
559 objc_global_trees[OCTI_METH_PROTO_LIST_TEMPL]
560 #define objc_ivar_list_ptr objc_global_trees[OCTI_IVAR_LIST_TEMPL]
561 #define objc_symtab_template objc_global_trees[OCTI_SYMTAB_TEMPL]
562 #define objc_module_template objc_global_trees[OCTI_MODULE_TEMPL]
563 #define objc_super_template objc_global_trees[OCTI_SUPER_TEMPL]
564 #define objc_object_reference objc_global_trees[OCTI_OBJ_REF]
565 #define objc_class_reference objc_global_trees[OCTI_CLS_REF]
566 #define objc_method_prototype_template \
567 objc_global_trees[OCTI_METH_PROTO_TEMPL]
568 #define function1_template objc_global_trees[OCTI_FUNCTION1_TEMPL]
569 #define function2_template objc_global_trees[OCTI_FUNCTION2_TEMPL]
571 #define objc_object_id objc_global_trees[OCTI_OBJ_ID]
572 #define objc_class_id objc_global_trees[OCTI_CLS_ID]
573 #define objc_object_name objc_global_trees[OCTI_ID_NAME]
574 #define objc_class_name objc_global_trees[OCTI_CLASS_NAME]
576 /* Constant string classes. */
577 #define constant_string_id objc_global_trees[OCTI_CNST_STR_ID]
578 #define constant_string_type objc_global_trees[OCTI_CNST_STR_TYPE]
579 #define constant_string_global_id \
580 objc_global_trees[OCTI_CNST_STR_GLOB_ID]
581 #define string_class_decl objc_global_trees[OCTI_STRING_CLASS_DECL]
582 #define internal_const_str_type objc_global_trees[OCTI_INTERNAL_CNST_STR_TYPE]
584 #define UOBJC_SUPER_decl objc_global_trees[OCTI_SUPER_DECL]
585 #define super_superclassfield_id \
586 objc_global_trees[OCTI_SUPER_SUPERFIELD_ID]
588 #define objc_fast_enumeration_state_template \
589 objc_global_trees[OCTI_FAST_ENUM_STATE_TEMP]
590 #define objc_enumeration_mutation_decl \
591 objc_global_trees[OCTI_ENUM_MUTATION_DECL]
593 /* Declarations of functions used when synthesizing property
595 #define objc_getProperty_decl objc_global_trees[OCTI_GET_PROPERTY_DECL]
596 #define objc_setProperty_decl objc_global_trees[OCTI_SET_PROPERTY_DECL]
597 #define objc_copyStruct_decl objc_global_trees[OCTI_COPY_STRUCT_DECL]
598 #define objc_getPropertyStruct_decl \
599 objc_global_trees[OCTI_GET_PROPERTY_STRUCT_DECL]
600 #define objc_setPropertyStruct_decl \
601 objc_global_trees[OCTI_SET_PROPERTY_STRUCT_DECL]
603 /* TODO: Add comment. */
605 #define objc_prop_list_ptr objc_global_trees[OCTI_V1_PROP_LIST_TEMPL]
606 #define prop_names_attr_chain objc_global_trees[OCTI_V1_PROP_NAME_ATTR_CHAIN]
608 /* Reserved tag definitions. */
610 #define OBJECT_TYPEDEF_NAME "id"
611 #define CLASS_TYPEDEF_NAME "Class"
613 #define TAG_OBJECT "objc_object"
614 #define TAG_CLASS "objc_class"
615 #define TAG_SUPER "objc_super"
616 #define TAG_SELECTOR "objc_selector"
618 #define UTAG_CLASS "_objc_class"
619 #define UTAG_IVAR "_objc_ivar"
620 #define UTAG_IVAR_LIST "_objc_ivar_list"
621 #define UTAG_METHOD "_objc_method"
622 #define UTAG_METHOD_LIST "_objc_method_list"
623 #define UTAG_CATEGORY "_objc_category"
624 #define UTAG_MODULE "_objc_module"
625 #define UTAG_SYMTAB "_objc_symtab"
626 #define UTAG_SUPER "_objc_super"
627 #define UTAG_SELECTOR "_objc_selector"
629 #define UTAG_PROTOCOL "_objc_protocol"
630 #define UTAG_METHOD_PROTOTYPE "_objc_method_prototype"
631 #define UTAG_METHOD_PROTOTYPE_LIST "_objc__method_prototype_list"
633 #define PROTOCOL_OBJECT_CLASS_NAME "Protocol"
635 #define TAG_EXCEPTIONTHROW "objc_exception_throw"
636 #define TAG_SYNCENTER "objc_sync_enter"
637 #define TAG_SYNCEXIT "objc_sync_exit"
639 /* Really should be NeXT private. */
640 #define UTAG_EXCDATA "_objc_exception_data"
642 #define TAG_CXX_CONSTRUCT ".cxx_construct"
643 #define TAG_CXX_DESTRUCT ".cxx_destruct"
645 #define TAG_ENUMERATION_MUTATION "objc_enumerationMutation"
646 #define TAG_FAST_ENUMERATION_STATE "__objcFastEnumerationState"
650 class_names
, /* class, category, protocol, module names */
651 meth_var_names
, /* method and variable names */
652 meth_var_types
, /* method and variable type descriptors */
653 prop_names_attr
/* property names and their attributes. */
661 #define CLS_FACTORY 0x0001L
662 #define CLS_META 0x0002L
664 /* Runtime metadata flags - ??? apparently unused. */
666 #define OBJC_MODIFIER_STATIC 0x00000001
667 #define OBJC_MODIFIER_FINAL 0x00000002
668 #define OBJC_MODIFIER_PUBLIC 0x00000004
669 #define OBJC_MODIFIER_PRIVATE 0x00000008
670 #define OBJC_MODIFIER_PROTECTED 0x00000010
671 #define OBJC_MODIFIER_NATIVE 0x00000020
672 #define OBJC_MODIFIER_SYNCHRONIZED 0x00000040
673 #define OBJC_MODIFIER_ABSTRACT 0x00000080
674 #define OBJC_MODIFIER_VOLATILE 0x00000100
675 #define OBJC_MODIFIER_TRANSIENT 0x00000200
676 #define OBJC_MODIFIER_NONE_SPECIFIED 0x80000000
678 /* Exception handling constructs. We begin by having the parser do most
679 of the work and passing us blocks.
680 This allows us to handle different exceptions implementations. */
682 /* Stack of open try blocks. */
684 struct objc_try_context
686 struct objc_try_context
*outer
;
688 /* Statements (or statement lists) as processed by the parser. */
692 /* Some file position locations. */
693 location_t try_locus
;
694 location_t end_try_locus
;
695 location_t end_catch_locus
;
696 location_t finally_locus
;
697 location_t end_finally_locus
;
699 /* A STATEMENT_LIST of CATCH_EXPRs, appropriate for sticking into op1
700 of a TRY_CATCH_EXPR. Even when doing Darwin setjmp. */
703 /* The CATCH_EXPR of an open @catch clause. */
706 /* The VAR_DECL holding __builtin_eh_pointer (or equivalent). */
712 /* A small number of routines used by the FE parser and the runtime code
713 generators. Put here as inlines for efficiency in non-lto builds rather
714 than making them externs. */
716 extern tree
objc_create_temporary_var (tree
, const char *);
718 size_t objc_common_tree_size (enum tree_code code
);
721 #define objc_is_object_id(TYPE) (OBJC_TYPE_NAME (TYPE) == objc_object_id)
722 #define objc_is_class_id(TYPE) (OBJC_TYPE_NAME (TYPE) == objc_class_id)
724 /* Retrieve category interface CAT_NAME (if any) associated with CLASS. */
726 lookup_category (tree klass
, tree cat_name
)
728 tree category
= CLASS_CATEGORY_LIST (klass
);
730 while (category
&& CLASS_SUPER_NAME (category
) != cat_name
)
731 category
= CLASS_CATEGORY_LIST (category
);
735 /* Count only the fields occurring in T. */
737 ivar_list_length (tree t
)
741 for (; t
; t
= DECL_CHAIN (t
))
742 if (TREE_CODE (t
) == FIELD_DECL
)
749 is_ivar (tree decl_chain
, tree ident
)
751 for ( ; decl_chain
; decl_chain
= DECL_CHAIN (decl_chain
))
752 if (DECL_NAME (decl_chain
) == ident
)
757 #endif /* GCC_OBJC_ACT_H */