diff options
Diffstat (limited to 'gcc-4.7/libobjc/objc-private/selector.h')
-rw-r--r-- | gcc-4.7/libobjc/objc-private/selector.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc-4.7/libobjc/objc-private/selector.h b/gcc-4.7/libobjc/objc-private/selector.h new file mode 100644 index 000000000..32223b9d6 --- /dev/null +++ b/gcc-4.7/libobjc/objc-private/selector.h @@ -0,0 +1,75 @@ +/* GNU Objective C Runtime selector implementation - Private functions + Copyright (C) 2010 Free Software Foundation, Inc. + Contributed by Nicola Pero <nicola.pero@meta-innovation.com> + +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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#ifndef __objc_private_selector_INCLUDE_GNU +#define __objc_private_selector_INCLUDE_GNU + +/* Private runtime functions that may go away or be rewritten or + replaced. */ + +/* Definition of a selector. Selectors themselves are not unique, but + the sel_id is a unique identifier. */ +struct objc_selector +{ + void *sel_id; + const char *sel_types; +}; + +/* An inline, fast version of sel_isEqual(). */ +inline static BOOL +sel_eq (SEL s1, SEL s2) +{ + if (s1 == 0 || s2 == 0) + return s1 == s2; + else + return s1->sel_id == s2->sel_id; +} + +/* Number of selectors stored in each of the selector tables. */ +extern unsigned int __objc_selector_max_index; + +/* Initialize the selector tables. This must be called by init.c. */ +void __objc_init_selector_tables(void); + +/* Various private functions to register selectors. */ +void __objc_register_selectors_from_class(Class); +void __objc_register_selectors_from_list (struct objc_method_list *); +void __objc_register_selectors_from_description_list +(struct objc_method_description_list *method_list); +void __objc_register_selectors_from_module (struct objc_selector *selectors); + +/* Return whether a selector is mapped or not ("mapped" meaning that + it has been inserted into the selector table). This is private as + only the runtime should ever encounter or need to know about + unmapped selectors. */ +BOOL sel_is_mapped (SEL aSel); + +/* Return selector representing name without registering it if it + doesn't exist. Typically used internally by the runtime when it's + looking up methods that may or may not exist (such as +initialize) + in the most efficient way. */ +SEL +sel_get_any_uid (const char *name); + +#endif /* not __objc_private_selector_INCLUDE_GNU */ |