7c172073f5
In libobjc/: 2011-06-08 Nicola Pero <nicola.pero@meta-innovation.com> * objc/README: Updated. * objc-private/selector.h: Updated comments. From-SVN: r174791
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* GNU Objective C Runtime selector implementation - Private functions
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Copyright (C) 2010 Free Software Foundation, Inc.
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Contributed by Nicola Pero <nicola.pero@meta-innovation.com>
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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 the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later 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 FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef __objc_private_selector_INCLUDE_GNU
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#define __objc_private_selector_INCLUDE_GNU
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/* Private runtime functions that may go away or be rewritten or
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replaced. */
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/* Definition of a selector. Selectors themselves are not unique, but
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the sel_id is a unique identifier. */
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struct objc_selector
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{
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void *sel_id;
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const char *sel_types;
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};
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/* An inline, fast version of sel_isEqual(). */
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inline static BOOL
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sel_eq (SEL s1, SEL s2)
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{
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if (s1 == 0 || s2 == 0)
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return s1 == s2;
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else
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return s1->sel_id == s2->sel_id;
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}
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/* Number of selectors stored in each of the selector tables. */
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extern unsigned int __objc_selector_max_index;
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/* Initialize the selector tables. This must be called by init.c. */
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void __objc_init_selector_tables(void);
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/* Various private functions to register selectors. */
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void __objc_register_selectors_from_class(Class);
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void __objc_register_selectors_from_list (struct objc_method_list *);
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void __objc_register_selectors_from_description_list
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(struct objc_method_description_list *method_list);
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void __objc_register_selectors_from_module (struct objc_selector *selectors);
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/* Return whether a selector is mapped or not ("mapped" meaning that
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it has been inserted into the selector table). This is private as
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only the runtime should ever encounter or need to know about
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unmapped selectors. */
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BOOL sel_is_mapped (SEL aSel);
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/* Return selector representing name without registering it if it
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doesn't exist. Typically used internally by the runtime when it's
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looking up methods that may or may not exist (such as +initialize)
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in the most efficient way. */
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SEL
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sel_get_any_uid (const char *name);
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#endif /* not __objc_private_selector_INCLUDE_GNU */
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