Re: Ruby for jMax

Mathieu Bouchard wrote:

> On Wed, 12 Jun 2002, david casal wrote:
> 
> 
>>On Tue, 11 Jun 2002, Mathieu Bouchard wrote:
>>
>>>Just a note that I wrote a jMax object using the Ruby language.
>>>It works.
>>>This functionality will be included in GridFlow 0.6.0.
>>>
>>Can you say more about this? Does it mean you embedded an Ruby interpreter
>>within JMax, so one can write objects for jMax in a similar way to
>>Python/Scheme for PD?
>>
> 
> 
> this is my emulation of the "for" object:
> 
> 
> # this is the demo and test for Ruby->jMax bridge
> # FObject is a flow-object as found in jMax
> # _0_bang means bang message on inlet 0
> # FObject#send_thru sends a message through an outlet
> class RubyFor < GridFlow::FObject
>   attr_accessor :start, :stop, :step
>   def initialize(start,stop,step)
>     raise ArgumentError, "@start not integer" unless Integer===start
>     raise ArgumentError, "@stop not integer" unless Integer===stop
>     raise ArgumentError, "@step not integer" unless Integer===step
>     @start,@stop,@step = start,stop,step
>   end
>   def _0_bang
>     x = start
>     if step > 0
>       (send_thru 0, x; x += step) while x < stop
>     elsif step < 0
>       (send_thru 0, x; x += step) while x > stop
>     end
>   end
>   def _0_int(x)
>     self.start = x
>     _0_bang
>   end
>   alias :_1_int :stop=
>   alias :_2_int :step=
> 
>   # FObject.install(name, inlets, outlets)
>   # no support for metaclasses yet
>   install "rubyfor", 3, 1
> end
> 
> 
> 
> ________________________________________________________________
> Mathieu Bouchard                   http://hostname.2y.net/~matju
> 
> 
> 

This looks good. How big is the Ruby interpreter ? Does it have its
own garbage collector ?

Another point: it looks like metaclass do not fit into standard object
oriented languages. May be an indication that it is not the right
concept.

Fran輟is