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66
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-
-
+
+
-
-
+
+
-
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+
+
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return NO;
}
void
objc_update_dtable(Class cls)
{
struct objc_abi_method_list *ml;
struct objc_abi_category **cats;
struct objc_method_list *ml;
struct objc_category **cats;
struct objc_sparsearray *dtable;
unsigned int i;
if (cls->superclass != Nil)
dtable = objc_sparsearray_copy(cls->superclass->dtable);
else
dtable = objc_sparsearray_new();
for (ml = cls->methodlist; ml != NULL; ml = ml->next)
for (i = 0; i < ml->count; i++)
objc_sparsearray_set(dtable, (uint32_t)
(uintptr_t)ml->methods[i].name, ml->methods[i].imp);
objc_sparsearray_set(dtable,
ml->methods[i].sel.uid, ml->methods[i].imp);
if ((cats = objc_categories_for_class(cls)) != NULL) {
for (i = 0; cats[i] != NULL; i++) {
unsigned int j;
ml = (cls->info & OBJC_CLASS_INFO_CLASS ?
cats[i]->instance_methods : cats[i]->class_methods);
for (; ml != NULL; ml = ml->next)
for (j = 0; j < ml->count; j++)
objc_sparsearray_set(dtable, (uint32_t)
(uintptr_t)ml->methods[j].name,
objc_sparsearray_set(dtable,
(uint32_t)ml->methods[j].sel.uid,
ml->methods[j].imp);
}
}
if (cls->dtable != NULL)
objc_sparsearray_free_when_singlethreaded(cls->dtable);
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|
-
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+
+
-
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+
+
-
+
-
+
-
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+
+
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|
{
return objc_sparsearray_get(cls->dtable, (uint32_t)sel->uid);
}
const char*
objc_get_type_encoding(Class cls, SEL sel)
{
struct objc_abi_method_list *ml;
struct objc_abi_category **cats;
struct objc_method_list *ml;
struct objc_category **cats;
unsigned int i;
objc_global_mutex_lock();
for (ml = cls->isa->methodlist; ml != NULL; ml = ml->next) {
for (i = 0; i < ml->count; i++) {
if ((uintptr_t)ml->methods[i].name == sel->uid) {
const char *ret = ml->methods[i].types;
if (ml->methods[i].sel.uid == sel->uid) {
const char *ret = ml->methods[i].sel.types;
objc_global_mutex_unlock();
return ret;
}
}
}
if ((cats = objc_categories_for_class(cls)) != NULL) {
for (; *cats != NULL; cats++) {
for (ml = (*cats)->class_methods; ml != NULL;
ml = ml->next) {
for (i = 0; i < ml->count; i++) {
if ((uintptr_t)ml->methods[i].name ==
if (ml->methods[i].sel.uid ==
sel->uid) {
const char *ret =
ml->methods[i].types;
ml->methods[i].sel.types;
objc_global_mutex_unlock();
return ret;
}
}
}
}
}
objc_global_mutex_unlock();
return NULL;
}
IMP
objc_replace_class_method(Class cls, SEL sel, IMP newimp)
{
struct objc_abi_method_list *ml;
struct objc_abi_category **cats;
struct objc_method_list *ml;
struct objc_category **cats;
unsigned int i;
BOOL replaced = NO;
IMP oldimp = NULL;
objc_global_mutex_lock();
for (ml = cls->isa->methodlist; ml != NULL; ml = ml->next) {
for (i = 0; i < ml->count; i++) {
if ((uintptr_t)ml->methods[i].name == sel->uid) {
if (ml->methods[i].sel.uid == sel->uid) {
oldimp = ml->methods[i].imp;
ml->methods[i].imp = newimp;
replaced = YES;
break;
}
}
}
if ((cats = objc_categories_for_class(cls)) != NULL) {
for (; *cats != NULL; cats++) {
for (ml = (*cats)->class_methods; ml != NULL;
ml = ml->next) {
for (i = 0; i < ml->count; i++) {
if ((uintptr_t)ml->methods[i].name ==
if (ml->methods[i].sel.uid ==
sel->uid) {
oldimp = ml->methods[i].imp;
ml->methods[i].imp = newimp;
replaced = YES;
break;
}
}
}
}
}
if (!replaced) {
/* FIXME: We need a way to free this at objc_exit() */
if ((ml = malloc(sizeof(struct objc_abi_method_list))) == NULL)
if ((ml = malloc(sizeof(struct objc_method_list))) == NULL)
ERROR("Not enough memory to replace method!");
ml->next = cls->isa->methodlist;
ml->count = 1;
ml->methods[0].name = (const char*)sel->uid;
ml->methods[0].sel.uid = sel->uid;
/* FIXME: We need to get the type from a superclass */
ml->methods[0].types = sel->types;
ml->methods[0].sel.types = sel->types;
ml->methods[0].imp = newimp;
cls->isa->methodlist = ml;
}
objc_update_dtable(cls->isa);
objc_global_mutex_unlock();
return oldimp;
}
IMP
objc_replace_instance_method(Class cls, SEL sel, IMP newimp)
{
struct objc_abi_method_list *ml;
struct objc_abi_category **cats;
struct objc_method_list *ml;
struct objc_category **cats;
unsigned int i;
BOOL replaced = NO;
IMP oldimp = NULL;
objc_global_mutex_lock();
for (ml = cls->methodlist; ml != NULL; ml = ml->next) {
for (i = 0; i < ml->count; i++) {
if ((uintptr_t)ml->methods[i].name == sel->uid) {
if (ml->methods[i].sel.uid == sel->uid) {
oldimp = ml->methods[i].imp;
ml->methods[i].imp = newimp;
replaced = YES;
break;
}
}
}
if ((cats = objc_categories_for_class(cls)) != NULL) {
for (; *cats != NULL; cats++) {
for (ml = (*cats)->instance_methods; ml != NULL;
ml = ml->next) {
for (i = 0; i < ml->count; i++) {
if ((uintptr_t)ml->methods[i].name ==
if (ml->methods[i].sel.uid ==
sel->uid) {
oldimp = ml->methods[i].imp;
ml->methods[i].imp = newimp;
replaced = YES;
break;
}
}
}
}
}
if (!replaced) {
/* FIXME: We need a way to free this at objc_exit() */
if ((ml = malloc(sizeof(struct objc_abi_method_list))) == NULL)
if ((ml = malloc(sizeof(struct objc_method_list))) == NULL)
ERROR("Not enough memory to replace method!");
ml->next = cls->methodlist;
ml->count = 1;
ml->methods[0].name = (const char*)sel->uid;
ml->methods[0].sel.uid = sel->uid;
/* FIXME: We need to get the type from a superclass */
ml->methods[0].types = sel->types;
ml->methods[0].sel.types = sel->types;
ml->methods[0].imp = newimp;
cls->methodlist = ml;
}
objc_update_dtable(cls);
|