typedef void replace_source_callback (struct casereader *);
typedef void replace_dictionary_callback (struct dictionary *);
+typedef void transformation_change_callback_func (bool non_empty, void *aux);
-struct dataset * create_dataset (replace_source_callback *,
- replace_dictionary_callback *);
-
+struct dataset * create_dataset (transformation_change_callback_func *, void *);
void destroy_dataset (struct dataset *);
+void dataset_add_transform_change_callback (struct dataset *,
+ transformation_change_callback_func *, void *);
+
void proc_discard_active_file (struct dataset *);
void proc_set_active_file (struct dataset *,
struct casereader *, struct dictionary *);