diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object/extending.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/object/extending.rb | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/extending.rb b/activesupport/lib/active_support/core_ext/object/extending.rb index 43a2be916e..082e98a297 100644 --- a/activesupport/lib/active_support/core_ext/object/extending.rb +++ b/activesupport/lib/active_support/core_ext/object/extending.rb @@ -3,17 +3,18 @@ class Object Class.remove_class(*subclasses_of(*superclasses)) end + # Exclude this class unless it's a subclass of our supers and is defined. + # We check defined? in case we find a removed class that has yet to be + # garbage collected. This also fails for anonymous classes -- please + # submit a patch if you have a workaround. def subclasses_of(*superclasses) #:nodoc: subclasses = [] - # Exclude this class unless it's a subclass of our supers and is defined. - # We check defined? in case we find a removed class that has yet to be - # garbage collected. This also fails for anonymous classes -- please - # submit a patch if you have a workaround. - ObjectSpace.each_object(Class) do |k| - if superclasses.any? { |superclass| k < superclass } && - (k.name.blank? || eval("defined?(::#{k}) && ::#{k}.object_id == k.object_id")) - subclasses << k + superclasses.each do |sup| + ObjectSpace.each_object(class << sup; self; end) do |k| + if k != sup && (k.name.blank? || eval("defined?(::#{k}) && ::#{k}.object_id == k.object_id")) + subclasses << k + end end end |