Artifact c1a16c1dcc777edf02c8689eaf6c38c0506ded55e41a466f81c469df2d76cbca:
- File
src/runtime/selector.m
— part of check-in
[0f42b0eafd]
at
2018-01-21 22:16:23
on branch trunk
— Allow building the runtime as a .framework
This also renames ObjFW-RT to ObjFW_RT, as hyphens should not be in
framework names. (user: js, size: 3464) [annotate] [blame] [check-ins using] [more...]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018 * Jonathan Schleifer <js@heap.zone> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #import "ObjFW_RT.h" #import "private.h" #import "macros.h" #ifdef OF_SELUID24 # define SEL_MAX 0xFFFFFF # define SEL_SIZE 3 #else # define SEL_MAX 0xFFFF # define SEL_SIZE 2 #endif static struct objc_hashtable *selectors = NULL; static uint32_t selectors_cnt = 0; static struct objc_sparsearray *selector_names = NULL; static void **free_list = NULL; static size_t free_list_cnt = 0; void objc_register_selector(struct objc_abi_selector *sel) { struct objc_selector *rsel; const char *name; if (selectors_cnt > SEL_MAX) OBJC_ERROR("Out of selector slots!"); if (selectors == NULL) selectors = objc_hashtable_new( objc_hash_string, objc_equal_string, 2); else if ((rsel = objc_hashtable_get(selectors, sel->name)) != NULL) { ((struct objc_selector *)sel)->uid = rsel->uid; return; } if (selector_names == NULL) selector_names = objc_sparsearray_new(SEL_SIZE); name = sel->name; rsel = (struct objc_selector *)sel; rsel->uid = selectors_cnt++; objc_hashtable_set(selectors, name, rsel); objc_sparsearray_set(selector_names, (uint32_t)rsel->uid, (void *)name); } SEL sel_registerName(const char *name) { const struct objc_abi_selector *rsel; struct objc_abi_selector *sel; objc_global_mutex_lock(); if (selectors != NULL && (rsel = objc_hashtable_get(selectors, name)) != NULL) { objc_global_mutex_unlock(); return (SEL)rsel; } if ((sel = malloc(sizeof(struct objc_abi_selector))) == NULL) OBJC_ERROR("Not enough memory to allocate selector!"); if ((sel->name = of_strdup(name)) == NULL) OBJC_ERROR("Not enough memory to allocate selector!"); sel->types = NULL; if ((free_list = realloc(free_list, sizeof(void *) * (free_list_cnt + 2))) == NULL) OBJC_ERROR("Not enough memory to allocate selector!"); free_list[free_list_cnt++] = sel; free_list[free_list_cnt++] = (char *)sel->name; objc_register_selector(sel); objc_global_mutex_unlock(); return (SEL)sel; } void objc_register_all_selectors(struct objc_abi_symtab *symtab) { struct objc_abi_selector *sel; if (symtab->sel_refs == NULL) return; for (sel = symtab->sel_refs; sel->name != NULL; sel++) objc_register_selector(sel); } const char * sel_getName(SEL sel) { const char *ret; objc_global_mutex_lock(); ret = objc_sparsearray_get(selector_names, (uint32_t)sel->uid); objc_global_mutex_unlock(); return ret; } bool sel_isEqual(SEL sel1, SEL sel2) { return (sel1->uid == sel2->uid); } void objc_unregister_all_selectors(void) { objc_hashtable_free(selectors); objc_sparsearray_free(selector_names); if (free_list != NULL) { for (size_t i = 0; i < free_list_cnt; i++) free(free_list[i]); free(free_list); } selectors = NULL; selectors_cnt = 0; selector_names = NULL; free_list = NULL; free_list_cnt = 0; }