[Parsetree] ruby_parser w/ rails?

[Sven Fuchs]

(not sure whether this is the right place to post this question, but I  
haven't found a dedicated ruby_parser list, so please point me  
elsewhere if it's not.)

I've started playing with a Haml "safemode" implementation based on  
ruby_parser plus ideas from Liquid. I'm curious if this might allow to  
use Haml instead of Liquid. So far my I got some tests running and my  
impression is that this might be actually feasible.

I can't get ruby_parser working within a Rails 2.0.2 app though. As  
soon as I require 'ruby_parser' in an otherwise working application  
the server (mongrel) seems to stop responding anything. There's no  
error in any log file at all. Safari tells me that it "cannot parse  
response" (NSURLErrorDomain:-1017) while Firefox simply doesn't do  
anything. wget says "End of file while parsing headers." and retries.

Any hints?

I am aware that ruby_parser isn't supposed to be production ready :)  
But it would be great if there would be a simple hack or whatever that  
allowed me to toy with this within an acutal Rails application.



[1] experimental implementation as a Rails plugin: <http://svn.artweb-design.de/stuff/rails/haml_safemode/ 
 >
[2] excited gibberish blog post <http://www.artweb-design.de/2008/2/5/sexy-theme-templating-with-haml-safemode-finally 
 >


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