diff --git a/enumerator.c b/enumerator.c
index a996566b7b..791cdfc36d 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -1140,6 +1140,35 @@ enumerator_size(VALUE obj)
     return e->size;
 }
 
+static VALUE
+enumerator_receiver(VALUE obj)
+{
+    struct enumerator *e;
+    VALUE eobj;
+    TypedData_Get_Struct(obj, struct enumerator, &enumerator_data_type, e);
+    eobj = rb_attr_get(obj, id_receiver);
+    if (NIL_P(eobj)) {
+       eobj = e->obj;
+    }
+    return eobj;
+}
+
+static VALUE
+enumerator_method_name(VALUE obj)
+{
+    struct enumerator *e;
+    TypedData_Get_Struct(obj, struct enumerator, &enumerator_data_type, e);
+    return ID2SYM(e->meth);
+}
+
+static VALUE
+enumerator_arguments(VALUE obj)
+{
+    struct enumerator *e;
+    TypedData_Get_Struct(obj, struct enumerator, &enumerator_data_type, e);
+    return e->args;
+}
+
 /*
  * Yielder
  */
@@ -2357,6 +2386,9 @@ InitVM_Enumerator(void)
     rb_define_method(rb_cEnumerator, "rewind", enumerator_rewind, 0);
     rb_define_method(rb_cEnumerator, "inspect", enumerator_inspect, 0);
     rb_define_method(rb_cEnumerator, "size", enumerator_size, 0);
+    rb_define_method(rb_cEnumerator, "receiver", enumerator_receiver, 0);
+    rb_define_method(rb_cEnumerator, "method_name", enumerator_method_name, 0);
+    rb_define_method(rb_cEnumerator, "arguments", enumerator_arguments, 0);
 
     /* Lazy */
     rb_cLazy = rb_define_class_under(rb_cEnumerator, "Lazy", rb_cEnumerator);