Viewing file:  c-objc.h (7.84 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* Definitions of Objective-C front-end entry points used for C and C++.
Copyright (C) 1987-2022 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_C_COMMON_OBJC_H
#define GCC_C_COMMON_OBJC_H
/* ObjC ivar visibility types. */
enum GTY(()) objc_ivar_visibility_kind {
OBJC_IVAR_VIS_PROTECTED = 0,
OBJC_IVAR_VIS_PUBLIC = 1,
OBJC_IVAR_VIS_PRIVATE = 2,
OBJC_IVAR_VIS_PACKAGE = 3
};
/* ObjC property attribute kinds.
These have two fields; a unique value (that identifies which attribute)
and a group key that indicates membership of an exclusion group.
Only one member may be present from an exclusion group in a given attribute
list.
getters and setters have additional rules, since they are excluded from
non-overlapping group sets. */
enum objc_property_attribute_group
{
OBJC_PROPATTR_GROUP_UNKNOWN = 0,
OBJC_PROPATTR_GROUP_GETTER,
OBJC_PROPATTR_GROUP_SETTER,
OBJC_PROPATTR_GROUP_READWRITE,
OBJC_PROPATTR_GROUP_ASSIGN,
OBJC_PROPATTR_GROUP_ATOMIC,
OBJC_PROPATTR_GROUP_NULLABLE,
OBJC_PROPATTR_GROUP_CLASS,
OBJC_PROPATTR_GROUP_MAX
};
enum objc_property_attribute_kind
{
OBJC_PROPERTY_ATTR_UNKNOWN = 0|OBJC_PROPATTR_GROUP_UNKNOWN,
OBJC_PROPERTY_ATTR_GETTER = ( 1 << 8)|OBJC_PROPATTR_GROUP_GETTER,
OBJC_PROPERTY_ATTR_SETTER = ( 2 << 8)|OBJC_PROPATTR_GROUP_SETTER,
OBJC_PROPERTY_ATTR_READONLY = ( 3 << 8)|OBJC_PROPATTR_GROUP_READWRITE,
OBJC_PROPERTY_ATTR_READWRITE = ( 4 << 8)|OBJC_PROPATTR_GROUP_READWRITE,
OBJC_PROPERTY_ATTR_ASSIGN = ( 5 << 8)|OBJC_PROPATTR_GROUP_ASSIGN,
OBJC_PROPERTY_ATTR_RETAIN = ( 6 << 8)|OBJC_PROPATTR_GROUP_ASSIGN,
OBJC_PROPERTY_ATTR_COPY = ( 7 << 8)|OBJC_PROPATTR_GROUP_ASSIGN,
OBJC_PROPERTY_ATTR_ATOMIC = ( 8 << 8)|OBJC_PROPATTR_GROUP_ATOMIC,
OBJC_PROPERTY_ATTR_NONATOMIC = ( 9 << 8)|OBJC_PROPATTR_GROUP_ATOMIC,
OBJC_PROPERTY_ATTR_NULL_UNSPECIFIED = (12 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
OBJC_PROPERTY_ATTR_NULLABLE = (13 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
OBJC_PROPERTY_ATTR_NONNULL = (14 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
OBJC_PROPERTY_ATTR_NULL_RESETTABLE = (15 << 8)|OBJC_PROPATTR_GROUP_NULLABLE,
OBJC_PROPERTY_ATTR_CLASS = (16 << 8)|OBJC_PROPATTR_GROUP_CLASS,
OBJC_PROPERTY_ATTR_MAX = (255 << 8|OBJC_PROPATTR_GROUP_MAX)
};
#define OBJC_PROPATTR_GROUP_MASK 0x0f
/* To contain parsed, but unverified, information about a single property
attribute. */
struct property_attribute_info
{
property_attribute_info () = default;
property_attribute_info (tree name, location_t loc,
enum objc_property_attribute_kind k)
: name (name), ident (NULL_TREE), prop_loc (loc), prop_kind (k),
parse_error (false) {}
enum objc_property_attribute_group group ()
{
return (enum objc_property_attribute_group)
((unsigned)prop_kind & OBJC_PROPATTR_GROUP_MASK);
}
tree name; /* Name of the attribute. */
tree ident; /* For getter/setter cases, the method/selector name. */
location_t prop_loc; /* Extended location covering the parsed attr. */
enum objc_property_attribute_kind prop_kind : 16;
unsigned parse_error : 1; /* The C/C++ parser saw an error in this attr. */
};
extern enum objc_property_attribute_kind objc_prop_attr_kind_for_rid (enum rid);
/* Objective-C / Objective-C++ entry points. */
/* The following ObjC/ObjC++ functions are called by the C and/or C++
front-ends; they all must have corresponding stubs in stub-objc.cc. */
extern void objc_write_global_declarations (void);
extern tree objc_is_class_name (tree);
extern tree objc_is_object_ptr (tree);
extern void objc_check_decl (tree);
extern void objc_check_global_decl (tree);
extern tree objc_common_type (tree, tree);
extern bool objc_compare_types (tree, tree, int, tree);
extern bool objc_have_common_type (tree, tree, int, tree);
extern bool objc_diagnose_private_ivar (tree);
extern void objc_volatilize_decl (tree);
extern tree objc_rewrite_function_call (tree, tree);
extern tree objc_message_selector (void);
extern tree objc_lookup_ivar (tree, tree);
extern void objc_clear_super_receiver (void);
extern int objc_is_public (tree, tree);
extern tree objc_is_id (tree);
extern void objc_declare_alias (tree, tree);
extern void objc_declare_class (tree);
extern void objc_declare_protocol (tree, tree);
extern tree objc_build_message_expr (tree, tree);
extern tree objc_finish_message_expr (tree, tree, tree, tree*);
extern tree objc_build_selector_expr (location_t, tree);
extern tree objc_build_protocol_expr (tree);
extern tree objc_build_encode_expr (tree);
extern tree objc_build_string_object (tree);
extern tree objc_get_protocol_qualified_type (tree, tree);
extern tree objc_get_class_reference (tree);
extern tree objc_get_class_ivars (tree);
extern bool objc_detect_field_duplicates (bool);
extern void objc_start_class_interface (tree, location_t, tree, tree, tree);
extern void objc_start_category_interface (tree, tree, tree, tree);
extern void objc_start_protocol (tree, tree, tree);
extern void objc_continue_interface (void);
extern void objc_finish_interface (void);
extern void objc_start_class_implementation (tree, tree);
extern void objc_start_category_implementation (tree, tree);
extern void objc_continue_implementation (void);
extern void objc_finish_implementation (void);
extern void objc_set_visibility (objc_ivar_visibility_kind);
extern tree objc_build_method_signature (bool, tree, tree, tree, bool);
extern void objc_add_method_declaration (bool, tree, tree);
extern bool objc_start_method_definition (bool, tree, tree, tree);
extern void objc_finish_method_definition (tree);
extern void objc_add_instance_variable (tree);
extern tree objc_build_keyword_decl (tree, tree, tree, tree);
extern tree objc_build_throw_stmt (location_t, tree);
extern void objc_begin_try_stmt (location_t, tree);
extern tree objc_finish_try_stmt (void);
extern void objc_begin_catch_clause (tree);
extern void objc_finish_catch_clause (void);
extern void objc_build_finally_clause (location_t, tree);
extern tree objc_build_synchronized (location_t, tree, tree);
extern int objc_static_init_needed_p (void);
extern tree objc_generate_static_init_call (tree);
extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
extern void objc_set_method_opt (bool);
extern void objc_finish_foreach_loop (location_t, tree, tree, tree, tree, tree);
extern bool objc_method_decl (enum tree_code);
extern void objc_add_property_declaration (location_t, tree,
vec<property_attribute_info *>&);
extern tree objc_maybe_build_component_ref (tree, tree);
extern tree objc_build_class_component_ref (tree, tree);
extern tree objc_maybe_build_modify_expr (tree, tree);
extern tree objc_build_incr_expr_for_property_ref (location_t, enum tree_code,
tree, tree);
extern void objc_add_synthesize_declaration (location_t, tree);
extern void objc_add_dynamic_declaration (location_t, tree);
extern const char * objc_maybe_printable_name (tree, int);
extern bool objc_is_property_ref (tree);
extern bool objc_non_constant_expr_p (tree);
extern bool objc_string_ref_type_p (tree);
extern void objc_check_format_arg (tree, tree);
extern void objc_finish_function (void);
extern void objc_maybe_warn_exceptions (location_t);
/* The following are provided by the C and C++ front-ends, and called by
ObjC/ObjC++. */
extern void *objc_get_current_scope (void);
extern void objc_mark_locals_volatile (void *);
#endif /* ! GCC_C_COMMON_OBJC_H */
|
