Differences From Artifact [4b0eeefabc]:
- File src/runtime/class.m — part of check-in [3ae7423995] at 2012-04-18 17:29:23 on branch runtime — Add cast to make Clang happy. (user: js, size: 9190) [annotate] [blame] [check-ins using]
To Artifact [106999ef41]:
- File
src/runtime/class.m
— part of check-in
[5a719c9b1f]
at
2012-04-18 18:00:04
on branch runtime
— Split OBJC_CLASS_INFO_INITIALIZED.
We now have OBJC_CLASS_INFO_{SETUP,LOADED,INITIALIZED}. (user: js, size: 9487) [annotate] [blame] [check-ins using]
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if (cls->superclass->subclass_list == NULL)
ERROR("Not enough memory for subclass list of class %s\n",
cls->superclass->name);
cls->superclass->subclass_list[i] = cls;
cls->superclass->subclass_list[i + 1] = Nil;
}
inline Class
objc_classname_to_class(const char *name)
{
Class c;
if (classes == NULL)
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if (cls->superclass->subclass_list == NULL)
ERROR("Not enough memory for subclass list of class %s\n",
cls->superclass->name);
cls->superclass->subclass_list[i] = cls;
cls->superclass->subclass_list[i + 1] = Nil;
}
static void
setup_class(Class cls)
{
const char *superclass;
if (cls->info & OBJC_CLASS_INFO_SETUP)
return;
if ((superclass = ((struct objc_abi_class*)cls)->superclass) != NULL) {
if ((cls->superclass = objc_lookup_class(superclass)) == Nil)
return;
cls->isa->superclass = cls->superclass->isa;
add_subclass(cls);
add_subclass(cls->isa);
} else
cls->isa->superclass = cls;
objc_update_dtable(cls);
objc_update_dtable(cls->isa);
cls->info |= OBJC_CLASS_INFO_SETUP;
cls->isa->info |= OBJC_CLASS_INFO_SETUP;
}
inline Class
objc_classname_to_class(const char *name)
{
Class c;
if (classes == NULL)
|
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initialize);
}
inline Class
objc_lookup_class(const char *name)
{
Class cls = objc_classname_to_class(name);
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initialize);
}
inline Class
objc_lookup_class(const char *name)
{
Class cls = objc_classname_to_class(name);
if (cls == NULL)
return Nil;
if (cls->info & OBJC_CLASS_INFO_INITIALIZED)
return cls;
objc_global_mutex_lock();
/*
* It's possible that two threads try to get a class at the same time.
* Make sure that the thread which held the lock did not already
* initialize it.
*/
if (cls->info & OBJC_CLASS_INFO_INITIALIZED) {
objc_global_mutex_unlock();
return cls;
}
setup_class(cls);
if (!(cls->info & OBJC_CLASS_INFO_SETUP)) {
objc_global_mutex_unlock();
return Nil;
}
/* Set it first to prevent calling it recursively */
cls->info |= OBJC_CLASS_INFO_INITIALIZED;
cls->isa->info |= OBJC_CLASS_INFO_INITIALIZED;
call_initialize(cls);
objc_global_mutex_unlock();
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