From: Dean Wampler <deanwampler@...>
Date: 2008-07-28T03:00:57+09:00
Subject: Re: Is there a simple way to find a method definition?

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Thanks. I'll give it a try.dean


On Sun, Jul 27, 2008 at 12:04 PM, Jens Wille <jens.wille@uni-koeln.de>wrote=
:

> hi dean!
>
> Dean Wampler [2008-07-27 16:50]:
> > Does anyone know of a programmatic way to find the definition?
> this is exactly what you can do with AddedMethods [1]:
>
>  require 'rubygems'
>  require 'nuggets/util/added_methods/init'
>
>   require 'your/library/or/whatever'
>
>  matches =3D Util::AddedMethods.find(
>    :name  =3D> 'method_name',
>    :class =3D> YourClass  # optional
>  )
>
>  # get the class(es) where matching method(s) were defined
>  matches.each { |am| puts am[:class]  # or am.klass }
>
>  # assume the first one is the one we're looking for
>  am =3D matches.first
>
>  # is it a singleton method?
>  puts am.singleton
>
>  # where exactly has it been defined?
>  puts "#{am.file}, line #{am.line}"
>
>  # now get its source
>  puts am  # implies #to_s, you can also call #extract_source directly
>
> does that help in any way? if you trip over any quirks or even bugs,
> or if you have any suggestions, please let me know. as i said
> earlier in this thread, you can get ruby-nuggets, which this library
> is a part of, from rubyforge [2] or from our own gem server [3].
>
> [1]
> <
> http://prometheus.rubyforge.org/ruby-nuggets/classes/Util/AddedMethods.ht=
ml
> >
> [2] <http://rubyforge.org/projects/prometheus/>
> [3] <http://prometheus.khi.uni-koeln.de/rubygems/>
>
> cheers
> jens
>
> --
> Jens Wille, Dipl.-Bibl. (FH)
> prometheus - Das verteilte digitale Bildarchiv f=FCr Forschung & Lehre
> Kunsthistorisches Institut der Universit=E4t zu K=F6ln
> Albertus-Magnus-Platz, D-50923 K=F6ln
> Tel.: +49 (0)221 470-6668, E-Mail: jens.wille@uni-koeln.de
> http://www.prometheus-bildarchiv.de/
>
>


--=20
Dean Wampler
http://www.objectmentor.com
http://www.aspectprogramming.com
http://aquarium.rubyforge.org
http://www.contract4j.org

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