namespace factor { extern cell megamorphic_cache_hits; extern cell megamorphic_cache_misses; cell lookup_method(cell object, cell methods); PRIMITIVE(lookup_method); cell object_class(cell object); PRIMITIVE(mega_cache_miss); PRIMITIVE(reset_dispatch_stats); PRIMITIVE(dispatch_stats); void jit_emit_class_lookup(jit *jit, fixnum index, cell type); void jit_emit_mega_cache_lookup(jit *jit, cell methods, fixnum index, cell cache); }