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-rw-r--r--src/class.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/class.c b/src/class.c
index 544f36527..748996e62 100644
--- a/src/class.c
+++ b/src/class.c
@@ -819,6 +819,15 @@ mrb_class_new_class(mrb_state *mrb, mrb_value cv)
return mrb_obj_value(new_class);
}
+mrb_value
+mrb_class_superclass(mrb_state *mrb, mrb_value klass)
+{
+ struct RClass *c, *s;
+ c = mrb_class_ptr(klass);
+ s = c->super;
+ return mrb_obj_value(s);
+}
+
static mrb_value
mrb_bob_init(mrb_state *mrb, mrb_value cv)
{
@@ -1240,6 +1249,7 @@ mrb_init_class(mrb_state *mrb)
mrb_define_method(mrb, bob, "!", mrb_bob_not, ARGS_NONE());
mrb_define_method(mrb, bob, "method_missing", mrb_bob_missing, ARGS_ANY()); /* 15.3.1.3.30 */
mrb_define_class_method(mrb, cls, "new", mrb_class_new_class, ARGS_ANY());
+ mrb_define_method(mrb, cls, "superclass", mrb_class_superclass, ARGS_NONE());
mrb_define_method(mrb, cls, "new", mrb_instance_new, ARGS_ANY());
mrb_define_method(mrb, cls, "inherited", mrb_bob_init, ARGS_REQ(1));
mrb_define_method(mrb, mod, "include", mrb_mod_include, ARGS_REQ(1));