[Ironruby-core] Something's wrong with ObjectSpace

Shay Friedman shay.friedman at gmail.com
Mon Oct 26 01:10:12 EDT 2009


I don't have a specific need for that right now. However, it does sound
logical to me that you'd want to get all the strings in your application. It
becomes even more reasonable when you run each_object with Thread, to find
out all defined. This doesn't work as well.

But, this is not the most used class out there so I IronRuby will continue
to ROCK despite that.

Thanks for the reply Tomas,
Shay.

On Mon, Oct 26, 2009 at 1:00 AM, Tomas Matousek <
Tomas.Matousek at microsoft.com> wrote:

> This is by design. We don't support enumerating objects that are not
> modules. A string instance is not a module.
> Why do you need to enumerate all allocated strings?
>
> Tomas
>
> -----Original Message-----
> From: ironruby-core-bounces at rubyforge.org [mailto:
> ironruby-core-bounces at rubyforge.org] On Behalf Of Shay Friedman
> Sent: Sunday, October 25, 2009 1:26 PM
> To: ironruby-core
> Subject: [Ironruby-core] Something's wrong with ObjectSpace
>
> Hey,
>
> The next REPL session works fine in MRI but in IR it throws an error:
> >>> str = "sss"
> => "sss"
> >>> ObjectSpace.each_object(String) { |x| puts x }
>
> d:\IronRuby\GitRepository2\ironruby\Merlin\Main\Languages\Ruby\Libraries.LCA_RESTRICTED\Builtins\ObjectSpace.cs:37:in
> `each_object': each_object only supported for objects of type Class or
> Module (RuntimeError)
>        from :0
>
> I looked a bit into it and IR identifies String as a descendant of Object
> and not Module as it expects. This problem makes it impossible to run
> each_object on Numeric as well (and I guess more types that are mapped
> directly to CLR types).
>
> Should I create a bug?
>
> Thanks!
> Shay.
> --
> --------------------------------------------------
> Shay Friedman
> Author of IronRuby Unleashed
> http://www.IronShay.com
> Follow me: http://twitter.com/ironshay
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-- 
--------------------------------------------------
Shay Friedman
Author of IronRuby Unleashed
http://www.IronShay.com
Follow me: http://twitter.com/ironshay
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