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comp.lang.ruby

Re: Does any Ruby parser exist ?

Eric Mahurin

5/10/2005 8:14:00 PM

Here is general parser/lexer I did:

http://www.ruby-talk.org/cgi-bin/scat.rb/ruby/ruby-t...

It is quite functional right now. I see no reason you couldn't
write up the grammar for Ruby and do whatever you want to the
parse tree (during parsing or after).

I'll be renaming the project to 'grammar' and putting it on
rubyforge. The primary things on my list are some additions to
make creating a lexer easier and a better IO interface
(rubyforge project 'cursor'). The same classes will be used
for the parser and lexer - they just parse different things -
tokens vs. characters.

--- Lothar Scholz <mailinglists@scriptolutions.com> wrote:
> Hello ruby-talk,
>
> Does any Ruby parser existother then the internal one inside
> the ruby
> interpreter. I found a few projects but most of them seems to
> be dead.
>
> bRuby (not really a parser) and Ripper are old and not
> touched since
> 2003. I need some positional data for the AST and a defined
> way to
> traverse the AST. Even the ParseTree project forgets to
> traverse some
> branches inside the tree.
>
>
>
> --
> Best regards, emailto: scholz at
> scriptolutions dot com
> Lothar Scholz http://www.ru...
> CTO Scriptolutions Ruby, PHP, Python IDE
> 's
>
>
>
>



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