From: Patrik Sundberg <patrik.sundberg@...>
Date: 2009-11-13T04:38:08+09:00
Subject: Re: Separate code space/sandbox?

Caleb Clausen wrote:
> Commentary:
> 1) This is considerably more complicated (=uglier) than Bill's
> attempt. There's even an eval lurking in there, which oughtn't be
> necessary when using macros. However, it does seem to fulfill all your
> requirements.
> 
> 2) A more sophisticated variable renaming scheme may be required if
> you want your program to have variables which end with an underscore.
> 
> 3) Use of eval inside a separated_scope will confuse things. Variables
> used in the eval arg will refer to the outer scope, not the separated
> scope.
> 
> 4) Macros are not a standard part of ruby syntax; they require my
> macro preprocessor, rubymacros. do a 'gem install rubymacros' to get
> it.
> Also see http://github.com/coatl/rubymacros
> 
> 5) Code that defines or uses macros must be pulled into the
> interpreter using a special version of require: Macro.require. That's
> why there's a separate file which requires 'macro', then calls
> Macro.require.

Awesome! I had not seen rubymacros before. I'll dig into this and try to 
understand it in more detail.

Thank you very much for the help.

-- 
Posted via http://www.ruby-forum.com/.