184 lines
7.8 KiB
C
184 lines
7.8 KiB
C
/* Definitions of Objective-C front-end entry points used for C and C++.
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Copyright (C) 1987-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_C_COMMON_OBJC_H
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#define GCC_C_COMMON_OBJC_H
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/* ObjC ivar visibility types. */
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enum GTY(()) objc_ivar_visibility_kind {
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OBJC_IVAR_VIS_PROTECTED = 0,
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OBJC_IVAR_VIS_PUBLIC = 1,
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OBJC_IVAR_VIS_PRIVATE = 2,
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OBJC_IVAR_VIS_PACKAGE = 3
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};
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/* ObjC property attribute kinds.
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These have two fields; a unique value (that identifies which attribute)
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and a group key that indicates membership of an exclusion group.
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Only one member may be present from an exclusion group in a given attribute
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list.
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getters and setters have additional rules, since they are excluded from
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non-overlapping group sets. */
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enum objc_property_attribute_group
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{
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OBJC_PROPATTR_GROUP_UNKNOWN = 0,
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OBJC_PROPATTR_GROUP_GETTER,
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OBJC_PROPATTR_GROUP_SETTER,
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OBJC_PROPATTR_GROUP_READWRITE,
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OBJC_PROPATTR_GROUP_ASSIGN,
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OBJC_PROPATTR_GROUP_ATOMIC,
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OBJC_PROPATTR_GROUP_NULLABLE,
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OBJC_PROPATTR_GROUP_CLASS,
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OBJC_PROPATTR_GROUP_MAX
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};
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enum objc_property_attribute_kind
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{
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OBJC_PROPERTY_ATTR_UNKNOWN = 0|OBJC_PROPATTR_GROUP_UNKNOWN,
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OBJC_PROPERTY_ATTR_GETTER = ( 1 << 8)|OBJC_PROPATTR_GROUP_GETTER,
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OBJC_PROPERTY_ATTR_SETTER = ( 2 << 8)|OBJC_PROPATTR_GROUP_SETTER,
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OBJC_PROPERTY_ATTR_READONLY = ( 3 << 8)|OBJC_PROPATTR_GROUP_READWRITE,
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OBJC_PROPERTY_ATTR_READWRITE = ( 4 << 8)|OBJC_PROPATTR_GROUP_READWRITE,
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OBJC_PROPERTY_ATTR_ASSIGN = ( 5 << 8)|OBJC_PROPATTR_GROUP_ASSIGN,
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OBJC_PROPERTY_ATTR_RETAIN = ( 6 << 8)|OBJC_PROPATTR_GROUP_ASSIGN,
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OBJC_PROPERTY_ATTR_COPY = ( 7 << 8)|OBJC_PROPATTR_GROUP_ASSIGN,
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OBJC_PROPERTY_ATTR_ATOMIC = ( 8 << 8)|OBJC_PROPATTR_GROUP_ATOMIC,
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OBJC_PROPERTY_ATTR_NONATOMIC = ( 9 << 8)|OBJC_PROPATTR_GROUP_ATOMIC,
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OBJC_PROPERTY_ATTR_NULL_UNSPECIFIED = (12 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
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OBJC_PROPERTY_ATTR_NULLABLE = (13 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
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OBJC_PROPERTY_ATTR_NONNULL = (14 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
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OBJC_PROPERTY_ATTR_NULL_RESETTABLE = (15 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
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OBJC_PROPERTY_ATTR_CLASS = (16 << 8)|OBJC_PROPATTR_GROUP_CLASS,
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OBJC_PROPERTY_ATTR_MAX = (255 << 8|OBJC_PROPATTR_GROUP_MAX)
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};
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#define OBJC_PROPATTR_GROUP_MASK 0x0f
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/* To contain parsed, but unverified, information about a single property
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attribute. */
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struct property_attribute_info
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{
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property_attribute_info () = default;
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property_attribute_info (tree name, location_t loc,
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enum objc_property_attribute_kind k)
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: name (name), ident (NULL_TREE), prop_loc (loc), prop_kind (k),
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parse_error (false) {}
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enum objc_property_attribute_group group ()
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{
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return (enum objc_property_attribute_group)
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((unsigned)prop_kind & OBJC_PROPATTR_GROUP_MASK);
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}
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tree name; /* Name of the attribute. */
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tree ident; /* For getter/setter cases, the method/selector name. */
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location_t prop_loc; /* Extended location covering the parsed attr. */
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enum objc_property_attribute_kind prop_kind : 16;
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unsigned parse_error : 1; /* The C/C++ parser saw an error in this attr. */
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};
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extern enum objc_property_attribute_kind objc_prop_attr_kind_for_rid (enum rid);
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/* Objective-C / Objective-C++ entry points. */
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/* The following ObjC/ObjC++ functions are called by the C and/or C++
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front-ends; they all must have corresponding stubs in stub-objc.cc. */
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extern void objc_write_global_declarations (void);
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extern tree objc_is_class_name (tree);
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extern tree objc_is_object_ptr (tree);
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extern void objc_check_decl (tree);
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extern void objc_check_global_decl (tree);
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extern tree objc_common_type (tree, tree);
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extern bool objc_compare_types (tree, tree, int, tree);
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extern bool objc_have_common_type (tree, tree, int, tree);
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extern bool objc_diagnose_private_ivar (tree);
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extern void objc_volatilize_decl (tree);
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extern tree objc_rewrite_function_call (tree, tree);
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extern tree objc_message_selector (void);
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extern tree objc_lookup_ivar (tree, tree);
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extern void objc_clear_super_receiver (void);
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extern int objc_is_public (tree, tree);
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extern tree objc_is_id (tree);
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extern void objc_declare_alias (tree, tree);
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extern void objc_declare_class (tree);
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extern void objc_declare_protocol (tree, tree);
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extern tree objc_build_message_expr (tree, tree);
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extern tree objc_finish_message_expr (tree, tree, tree, tree*);
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extern tree objc_build_selector_expr (location_t, tree);
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extern tree objc_build_protocol_expr (tree);
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extern tree objc_build_encode_expr (tree);
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extern tree objc_build_string_object (tree);
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extern tree objc_get_protocol_qualified_type (tree, tree);
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extern tree objc_get_class_reference (tree);
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extern tree objc_get_class_ivars (tree);
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extern bool objc_detect_field_duplicates (bool);
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extern void objc_start_class_interface (tree, location_t, tree, tree, tree);
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extern void objc_start_category_interface (tree, tree, tree, tree);
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extern void objc_start_protocol (tree, tree, tree);
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extern void objc_continue_interface (void);
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extern void objc_finish_interface (void);
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extern void objc_start_class_implementation (tree, tree);
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extern void objc_start_category_implementation (tree, tree);
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extern void objc_continue_implementation (void);
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extern void objc_finish_implementation (void);
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extern void objc_set_visibility (objc_ivar_visibility_kind);
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extern tree objc_build_method_signature (bool, tree, tree, tree, bool);
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extern void objc_add_method_declaration (bool, tree, tree);
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extern bool objc_start_method_definition (bool, tree, tree, tree);
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extern void objc_finish_method_definition (tree);
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extern void objc_add_instance_variable (tree);
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extern tree objc_build_keyword_decl (tree, tree, tree, tree);
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extern tree objc_build_throw_stmt (location_t, tree);
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extern void objc_begin_try_stmt (location_t, tree);
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extern tree objc_finish_try_stmt (void);
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extern void objc_begin_catch_clause (tree);
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extern void objc_finish_catch_clause (void);
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extern void objc_build_finally_clause (location_t, tree);
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extern tree objc_build_synchronized (location_t, tree, tree);
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extern int objc_static_init_needed_p (void);
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extern tree objc_generate_static_init_call (tree);
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extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
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extern void objc_set_method_opt (bool);
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extern void objc_finish_foreach_loop (location_t, tree, tree, tree, tree, tree);
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extern bool objc_method_decl (enum tree_code);
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extern void objc_add_property_declaration (location_t, tree,
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vec<property_attribute_info *>&);
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extern tree objc_maybe_build_component_ref (tree, tree);
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extern tree objc_build_class_component_ref (tree, tree);
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extern tree objc_maybe_build_modify_expr (tree, tree);
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extern tree objc_build_incr_expr_for_property_ref (location_t, enum tree_code,
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tree, tree);
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extern void objc_add_synthesize_declaration (location_t, tree);
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extern void objc_add_dynamic_declaration (location_t, tree);
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extern const char * objc_maybe_printable_name (tree, int);
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extern bool objc_is_property_ref (tree);
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extern bool objc_non_constant_expr_p (tree);
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extern bool objc_string_ref_type_p (tree);
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extern void objc_check_format_arg (tree, tree);
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extern void objc_finish_function (void);
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extern void objc_maybe_warn_exceptions (location_t);
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/* The following are provided by the C and C++ front-ends, and called by
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ObjC/ObjC++. */
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extern void *objc_get_current_scope (void);
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extern void objc_mark_locals_volatile (void *);
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#endif /* ! GCC_C_COMMON_OBJC_H */
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