diff options
Diffstat (limited to 'struct.c')
| -rw-r--r-- | struct.c | 19 |
1 files changed, 15 insertions, 4 deletions
@@ -107,12 +107,12 @@ val struct_type_s, meth_s, print_s, make_struct_lit_s; val init_k, postinit_k; val slot_s, derived_s; -val nullify_s, from_list_s, lambda_set_s; +val copy_s, nullify_s, from_list_s, lambda_set_s; val iter_begin_s, iter_more_s, iter_item_s, iter_step_s, iter_reset_s; static val *special_sym[num_special_slots] = { - &equal_s, &nullify_s, &from_list_s, &lambda_s, &lambda_set_s, + &equal_s, ©_s, &nullify_s, &from_list_s, &lambda_s, &lambda_set_s, &length_s, &length_lt_s, &car_s, &cdr_s, &rplaca_s, &rplacd_s, &iter_begin_s, &iter_more_s, &iter_item_s, &iter_step_s, &iter_reset_s, &plus_s @@ -149,6 +149,7 @@ void struct_init(void) postinit_k = intern(lit("postinit"), keyword_package); slot_s = intern(lit("slot"), user_package); derived_s = intern(lit("derived"), user_package); + copy_s = intern(lit("copy"), user_package); nullify_s = intern(lit("nullify"), user_package); from_list_s = intern(lit("from-list"), user_package); lambda_set_s = intern(lit("lambda-set"), user_package); @@ -1875,6 +1876,15 @@ static ucnum struct_inst_hash(val obj, int *count, ucnum seed) return out; } +static val struct_inst_clone(val strct) +{ + val copy_meth = get_special_slot(strct, copy_m); + + return if3(copy_meth, + funcall1(copy_meth, strct), + copy_struct(strct)); +} + static val get_special_static_slot(struct struct_type *st, enum special_slot idx, val stslot) { @@ -2038,9 +2048,10 @@ val get_special_slot_by_type(val stype, enum special_slot spidx) static_def(struct cobj_ops struct_type_ops = cobj_ops_init(eq, struct_type_print, struct_type_destroy, - struct_type_mark, cobj_eq_hash_op)); + struct_type_mark, cobj_eq_hash_op, 0)); struct cobj_ops struct_inst_ops = cobj_ops_init_ex(struct_inst_equal, struct_inst_print, cobj_destroy_free_op, struct_inst_mark, - struct_inst_hash, struct_inst_equalsub); + struct_inst_hash, struct_inst_clone, + struct_inst_equalsub); |