| 1 | /* GNU Objective C Runtime selector related functions
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| 2 | Copyright (C) 1993, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
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| 3 | Contributed by Kresten Krab Thorup
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| 4 |
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| 5 | This file is part of GNU CC.
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| 6 |
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| 7 | GNU CC is free software; you can redistribute it and/or modify it under the
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| 8 | terms of the GNU General Public License as published by the Free Software
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| 9 | Foundation; either version 2, or (at your option) any later version.
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| 10 |
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| 11 | GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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| 14 | details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License along with
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| 17 | GNU CC; see the file COPYING. If not, write to the Free Software
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| 18 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 19 |
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| 20 | /* As a special exception, if you link this library with files compiled with
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| 21 | GCC to produce an executable, this does not cause the resulting executable
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| 22 | to be covered by the GNU General Public License. This exception does not
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| 23 | however invalidate any other reasons why the executable file might be
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| 24 | covered by the GNU General Public License. */
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| 25 |
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| 26 | #include "runtime.h"
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| 27 | #include "sarray.h"
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| 28 | #include "encoding.h"
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| 29 |
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| 30 | /* Initial selector hash table size. Value doesn't matter much */
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| 31 | #define SELECTOR_HASH_SIZE 128
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| 32 |
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| 33 | /* Tables mapping selector names to uid and opposite */
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| 34 | static struct sarray *__objc_selector_array = 0; /* uid -> sel !T:MUTEX */
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| 35 | static struct sarray *__objc_selector_names = 0; /* uid -> name !T:MUTEX */
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| 36 | static cache_ptr __objc_selector_hash = 0; /* name -> uid !T:MUTEX */
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| 37 |
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| 38 | static void register_selectors_from_list (MethodList_t);
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| 39 |
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| 40 | /* Number of selectors stored in each of the above tables */
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| 41 | unsigned int __objc_selector_max_index = 0; /* !T:MUTEX */
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| 42 |
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| 43 | void __objc_init_selector_tables ()
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| 44 | {
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| 45 | __objc_selector_array = sarray_new (SELECTOR_HASH_SIZE, 0);
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| 46 | __objc_selector_names = sarray_new (SELECTOR_HASH_SIZE, 0);
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| 47 | __objc_selector_hash
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| 48 | = hash_new (SELECTOR_HASH_SIZE,
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| 49 | (hash_func_type) hash_string,
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| 50 | (compare_func_type) compare_strings);
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| 51 | }
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| 52 |
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| 53 | /* This routine is given a class and records all of the methods in its class
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| 54 | structure in the record table. */
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| 55 | void
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| 56 | __objc_register_selectors_from_class (Class class)
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| 57 | {
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| 58 | MethodList_t method_list;
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| 59 |
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| 60 | method_list = class->methods;
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| 61 | while (method_list)
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| 62 | {
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| 63 | register_selectors_from_list (method_list);
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| 64 | method_list = method_list->method_next;
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| 65 | }
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| 66 | }
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| 67 |
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| 68 |
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| 69 | /* This routine is given a list of methods and records each of the methods in
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| 70 | the record table. This is the routine that does the actual recording
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| 71 | work.
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| 72 |
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| 73 | This one is only called for Class objects. For categories,
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| 74 | class_add_method_list is called.
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| 75 | */
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| 76 | static void
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| 77 | register_selectors_from_list (MethodList_t method_list)
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| 78 | {
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