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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-12-01 13:16:09 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-12-01 13:16:09 +0000
commitac761cda209ded2ef48bec9fcc54a979bc6caafc (patch)
tree8000b2085994162b5fb597dc3c14c609681408f9 /numeric.c
parentb0acbc4c9afd41602ec9f4b0ee6914b4461ccd32 (diff)
* 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
Diffstat (limited to 'numeric.c')
-rw-r--r--numeric.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/numeric.c b/numeric.c
index b030d87..e533dfd 100644
--- a/numeric.c
+++ b/numeric.c
@@ -159,6 +159,19 @@ rb_num_coerce_relop(x, y)
}
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);