From: Mauricio Fernandez <mfp@...>
Date: 2007-02-14T08:37:10+09:00
Subject: Re: Dynamically determining a class' namespace

On Wed, Feb 14, 2007 at 06:39:26AM +0900, ara.t.howard@noaa.gov wrote:
> On Wed, 14 Feb 2007, Tim Pease wrote:
> >He wants to know the nesting where the Foo object was created not the
> >nesting of the Foo class itself.  i.e. whenever Foo.new is called,
> >what is the namespace where it was called.
> >
>   harp:~ > cat a.rb
>   require 'binding_of_caller'
> 
>   class Foo
>     def self.new
>       Binding.of_caller{|b| p eval('Module.nesting', b).shift }
>     end
>   end
> 
>   Foo.new # 'Object'? 'Kernel'? nil?
> 
>   module Bar
>     Foo.new # 'Bar'
>   end
> 
>   module Baz
>     module Bar
>        Foo.new # 'Baz::Bar'
>     end
>   end
> 
>   harp:~ > ruby a.rb
>   nil
>   Bar
>   Baz::Bar

$ ruby -v a.rb 
ruby 1.8.5 (2006-08-25) [i686-linux]
nil
nil
nil

(Foo with 1.8.5-p12)

1.8.5 killed Binding.of_caller, take a look at ruby-debug
http://rubyforge.org/projects/ruby-debug/.

-- 
Mauricio Fernandez  -   http://eigenclass.org   -  singular Ruby
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