/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* 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 "runtime.h"
#import "runtime-private.h"
static struct objc_hashtable *categories = NULL;
static void
register_selectors(struct objc_abi_category *cat)
{
struct objc_abi_method_list *ml;
unsigned int i;
for (ml = cat->instance_methods; ml != NULL; ml = ml->next)
for (i = 0; i < ml->count; i++)
objc_register_selector(
(struct objc_abi_selector*)&ml->methods[i]);
for (ml = cat->class_methods; ml != NULL; ml = ml->next)
for (i = 0; i < ml->count; i++)
objc_register_selector(
(struct objc_abi_selector*)&ml->methods[i]);
}
static void
register_category(struct objc_abi_category *cat)
{
struct objc_abi_category **cats;
Class cls = objc_classname_to_class(cat->class_name);
if (categories == NULL)
categories = objc_hashtable_alloc(2);
cats = (struct objc_abi_category**)objc_hashtable_get(categories,
cat->class_name);
if (cats != NULL) {
struct objc_abi_category **ncats;
size_t i;
for (i = 0; cats[i] != NULL; i++);
if ((ncats = realloc(cats,
(i + 2) * sizeof(struct objc_abi_category*))) == NULL)
ERROR("Not enough memory for category %s of class %s!",
cat->category_name, cat->class_name);
ncats[i] = cat;
ncats[i + 1] = NULL;
objc_hashtable_set(categories, cat->class_name, ncats);
if (cls != Nil && cls->info & OBJC_CLASS_INFO_SETUP) {
objc_update_dtable(cls);
objc_update_dtable(cls->isa);
}
return;
}
if ((cats = malloc(2 * sizeof(struct objc_abi_category*))) == NULL)
ERROR("Not enough memory for category %s of class %s!\n",
cat->category_name, cat->class_name);
cats[0] = cat;
cats[1] = NULL;
objc_hashtable_set(categories, cat->class_name, cats);
if (cls != Nil && cls->info & OBJC_CLASS_INFO_SETUP) {
objc_update_dtable(cls);
objc_update_dtable(cls->isa);
}
}
void
objc_register_all_categories(struct objc_abi_symtab *symtab)
{
struct objc_abi_category **cats;
size_t i;
cats = (struct objc_abi_category**)symtab->defs + symtab->cls_def_cnt;
for (i = 0; i < symtab->cat_def_cnt; i++) {
register_selectors(cats[i]);
register_category(cats[i]);
}
}
struct objc_category**
objc_categories_for_class(Class cls)
{
if (categories == NULL)
return NULL;
return (struct objc_category**)objc_hashtable_get(categories,
cls->name);
}
void
objc_free_all_categories(void)
{
uint32_t i;
if (categories == NULL)
return;
for (i = 0; i <= categories->last_idx; i++)
if (categories->data[i] != NULL)
free((void*)categories->data[i]->obj);
objc_hashtable_free(categories);
categories = NULL;
}