diff options
| -rw-r--r-- | src/class.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/class.c b/src/class.c index fe2baa4f2..3912dfe28 100644 --- a/src/class.c +++ b/src/class.c @@ -723,6 +723,24 @@ mrb_mod_include(mrb_state *mrb, mrb_value klass) } static mrb_value +mrb_mod_include_p(mrb_state *mrb, mrb_value mod) +{ + mrb_value mod2; + struct RClass *c = mrb_class_ptr(mod); + + mrb_get_args(mrb, "o", &mod2); + mrb_check_type(mrb, mod2, MRB_TT_MODULE); + + while (c) { + if (c->tt == MRB_TT_ICLASS) { + if (c->c == mrb_class_ptr(mod2)) return mrb_true_value(); + } + c = c->super; + } + return mrb_false_value(); +} + +static mrb_value mrb_mod_ancestors(mrb_state *mrb, mrb_value self) { mrb_value result; @@ -1424,6 +1442,7 @@ mrb_init_class(mrb_state *mrb) mrb_define_method(mrb, mod, "extend_object", mrb_mod_extend_object, ARGS_REQ(1)); /* 15.2.2.4.25 */ mrb_define_method(mrb, mod, "extended", mrb_bob_init, ARGS_REQ(1)); /* 15.2.2.4.26 */ mrb_define_method(mrb, mod, "include", mrb_mod_include, ARGS_ANY()); /* 15.2.2.4.27 */ + mrb_define_method(mrb, mod, "include?", mrb_mod_include_p, ARGS_REQ(1)); /* 15.2.2.4.28 */ mrb_define_method(mrb, mod, "append_features", mrb_mod_append_features, ARGS_REQ(1)); /* 15.2.2.4.10 */ mrb_define_method(mrb, mod, "included", mrb_bob_init, ARGS_REQ(1)); /* 15.2.2.4.29 */ mrb_define_method(mrb, mod, "included_modules", mrb_mod_included_modules, ARGS_NONE()); /* 15.2.2.4.30 */ |