From: Robert Klemme <bob.news@...>
Date: 2005-01-27T21:30:54+09:00
Subject: Re: in-eval exception


"Jacek" <balcer@future-net.pl> schrieb im Newsbeitrag
news:ctajdt$346$1@portraits.wsisiz.edu.pl...
> Hi
> I use evals very often in our system. I start to think about little, on
page
> tracker so I decided to  use PrettyException. I overloaded my class
> (MException < PrettyException) to add a ability  to read evals, and then
> the problem came: The only way I can acces code I use with eval is to
> create global variable with value of the code and then put this variable
> into the code itself (well better look )
>
> ########################################################
> $str="
> begin
>   raise
> rescue => e
>   puts MException.new($str,e).print_exception()
> end
> "
>
> eval $str
> #########################################################
>
> Inside Exception I need this code to parse it on the page.
> Is ther another better way to access eval param (my code)
> from inside MException considering that MException is called
> inside eval ?
> Sorry for my lang. , Jacek Balcerski

Simply catch the exception outside the eval:

def foo(code)
  begin
    eval code
  rescue Exception => e
    puts MException.new(code,e).print_exception()
  end
end

Does that help?

Kind regards

    robert