From ac761cda209ded2ef48bec9fcc54a979bc6caafc Mon Sep 17 00:00:00 2001 From: matz Date: Mon, 1 Dec 2003 13:16:09 +0000 Subject: * numeric.c (num_sadded): prohibit singleton method definition for Numerics. fill yet another gap between Fixnum and Bignum. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- numeric.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'numeric.c') diff --git a/numeric.c b/numeric.c index b030d8795a..e533dfd0a2 100644 --- a/numeric.c +++ b/numeric.c @@ -158,6 +158,19 @@ rb_num_coerce_relop(x, y) return c; } +static VALUE +num_sadded(x, name) + VALUE x, name; +{ + ruby_frame = ruby_frame->prev; /* pop frame for "singleton_method_added" */ + /* Numerics should be values; singleton_methods should not be added to them */ + rb_raise(rb_eTypeError, + "can't define singleton method \"%s\" for %s", + rb_id2name(rb_to_id(name)), + rb_obj_classname(x)); + return Qnil; /* not reached */ +} + static VALUE num_init_copy(x, y) VALUE x, y; @@ -1820,6 +1833,7 @@ Init_Numeric() rb_eFloatDomainError = rb_define_class("FloatDomainError", rb_eRangeError); rb_cNumeric = rb_define_class("Numeric", rb_cObject); + rb_define_method(rb_cNumeric, "singleton_method_added", num_sadded, 1); rb_include_module(rb_cNumeric, rb_mComparable); rb_define_method(rb_cNumeric, "initialize_copy", num_init_copy, 1); rb_define_method(rb_cNumeric, "coerce", num_coerce, 1); -- cgit v1.2.3