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* object.c (rb_obj_clone): singleton class should be attached

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singleton object to.  a patch by Satoshi Shiba <shiba AT rvm.jp>
  at [ruby-dev:44460].  [Bug #5274]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2011-09-18 22:54:25 +00:00
parent c4d77cb4ad
commit 125b62e76d
3 changed files with 20 additions and 1 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Sep 19 07:54:17 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* object.c (rb_obj_clone): singleton class should be attached
singleton object to. a patch by Satoshi Shiba <shiba AT rvm.jp>
at [ruby-dev:44460]. [Bug #5274]
Sat Sep 17 23:34:10 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (parser_data_type): inherit the core type in ripper so

7
object.c
View file

@ -273,12 +273,17 @@ VALUE
rb_obj_clone(VALUE obj)
{
VALUE clone;
VALUE singleton;
if (rb_special_const_p(obj)) {
rb_raise(rb_eTypeError, "can't clone %s", rb_obj_classname(obj));
}
clone = rb_obj_alloc(rb_obj_class(obj));
RBASIC(clone)->klass = rb_singleton_class_clone(obj);
singleton = rb_singleton_class_clone(obj);
RBASIC(clone)->klass = singleton;
if (FL_TEST(singleton, FL_SINGLETON)) {
rb_singleton_class_attached(singleton, clone);
}
RBASIC(clone)->flags = (RBASIC(obj)->flags | FL_TEST(clone, FL_TAINT) | FL_TEST(clone, FL_UNTRUSTED)) & ~(FL_FREEZE|FL_FINALIZE|FL_MARK);
init_copy(clone, obj);
rb_funcall(clone, id_init_clone, 1, obj);

8
test/ruby/test_class.rb
View file

@ -258,4 +258,12 @@ class TestClass < Test::Unit::TestCase
END
assert_equal(42, PrivateClass.new.foo)
end
StrClone = String.clone
Class.new(StrClone)
def test_cloned_class
bug5274 = StrClone.new("[ruby-dev:44460]")
assert_equal(bug5274, Marshal.load(Marshal.dump(bug5274)))
end
end