From: Logan Capaldo <logancapaldo@...>
Date: 2006-04-09T10:51:43+09:00
Subject: Re: yield, binding


On Apr 8, 2006, at 9:40 PM, Gokhan Ersumer wrote:

> Hi,
>
> I'm experimenting with Ruby by writing some kind of DSL.
> I wonder if It is possible calling given block to a proc with  
> different
> binding
> What I'm trying to achieve is something like this
>
> class Table
>   attr_accessor :name,
>   def getBinding
>      binding
>   end
> end
>
> def table
>   t = Table.new
>   if block_given?
>       yield  # with t.getBinding
>   end
>   t
> end
>
> so I will be able to write (in DSL part)
>
> table {
>   name = "FirstTable"
>   ...
> }
>
> instead of
>
> table {|t|
>   t.name = "FirstTable"
>   ...
> }
>
> Thanks
>
> Gokhan Ersumer
>
> -- 
> Posted via http://www.ruby-forum.com/.
>

the only way to do this is with eval.

def table(s = nil)
       t = Table.new
       eval(s, t.getBinding) if s
       t
end

table %q{
      name = "FirstTable"
}