diff options
Diffstat (limited to 'struct.c')
| -rw-r--r-- | struct.c | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -111,6 +111,7 @@ void struct_init(void) reg_fun(intern(lit("super"), user_package), func_n1(super)); reg_fun(intern(lit("make-struct"), user_package), func_n2v(make_struct)); reg_fun(intern(lit("copy-struct"), user_package), func_n1(copy_struct)); + reg_fun(intern(lit("clear-struct"), user_package), func_n2o(clear_struct, 1)); reg_fun(intern(lit("slot"), user_package), func_n2(slot)); reg_fun(intern(lit("slotset"), user_package), func_n3(slotset)); reg_fun(intern(lit("static-slot"), user_package), func_n2(static_slot)); @@ -393,6 +394,20 @@ val copy_struct(val strct) return copy; } +val clear_struct(val strct, val value) +{ + const val self = lit("clear-struct"); + struct struct_inst *si = struct_handle(strct, self); + struct struct_type *st = coerce(struct struct_type *, si->type->co.handle); + val clear_val = default_bool_arg(value); + cnum i; + + for (i = 0; i < st->nslots; i++) + si->slot[i] = clear_val; + + return strct; +} + static int cache_set_lookup(slot_cache_entry_t *set, cnum id) { if (set[0].id == id) |