* has occurred to allow a class to set its default virtual method pointers.
* This is also the function to use to override virtual methods from a parent
* class.
+ * @class_base_init: This function is called for all base classes after all
+ * parent class initialization has occurred, but before the class itself
+ * is initialized. This is the function to use to undo the effects of
+ * memcpy from the parent class to the descendents.
* @class_finalize: This function is called during class destruction and is
* meant to release and dynamic parameters allocated by @class_init.
- * @class_data: Data to pass to the @class_init and @class_finalize functions.
- * This can be useful when building dynamic classes.
+ * @class_data: Data to pass to the @class_init, @class_base_init and
+ * @class_finalize functions. This can be useful when building dynamic
+ * classes.
* @interfaces: The list of interfaces associated with this type. This
* should point to a static array that's terminated with a zero filled
* element.
size_t class_size;
void (*class_init)(ObjectClass *klass, void *data);
+ void (*class_base_init)(ObjectClass *klass, void *data);
void (*class_finalize)(ObjectClass *klass, void *data);
void *class_data;
size_t instance_size;
void (*class_init)(ObjectClass *klass, void *data);
+ void (*class_base_init)(ObjectClass *klass, void *data);
void (*class_finalize)(ObjectClass *klass, void *data);
void *class_data;
ti->instance_size = info->instance_size;
ti->class_init = info->class_init;
+ ti->class_base_init = info->class_base_init;
ti->class_finalize = info->class_finalize;
ti->class_data = info->class_data;
memcpy((void *)ti->class + sizeof(ObjectClass),
(void *)parent->class + sizeof(ObjectClass),
parent->class_size - sizeof(ObjectClass));
+
+ while (parent) {
+ if (parent->class_base_init) {
+ parent->class_base_init(ti->class, ti->class_data);
+ }
+ parent = type_get_parent(parent);
+ }
}
memset((void *)ti->class + class_size, 0, ti->class_size - class_size);