From: ptkwt@... (Phil Tomson)
Date: 2003-11-17T10:20:51+09:00
Subject: Re: rlex and ryacc

In article <20031109180247X.aamine@loveruby.net>,
Minero Aoki  <aamine@loveruby.net> wrote:
>Hi,
>
>  In mail "Re: rlex and ryacc"
>    "Luke A. Kanies" <luke@madstop.com> wrote:
>
>> I'm still having problems, but I have at least made progress.
>
>> racc:
>>    Does not give much info about what to do for a lexer.  I've tried
>>    rlex, but they have incompatible means of specifying tokens,
>>    apparently, so I don't know how to use them together.  Without
>>    a lexer, I can't really tell if this will work for me.
>
>I'm using StringScanner (strscan).  It is NOT a lexer generator,
>but it is sufficient for me (including speed).
>
>For real example of Racc, refer TMail or RDtool.
>
>  TMail (uses #yylex.  The lexer is written in Ruby and C)
>  http://raa.ruby-lang.org/list.rhtml?name=tmail
>
>  RDtool (uses #do_parse and #next_token.
>  The lexer is written in Ruby using strscan)
>  http://raa.ruby-lang.org/list.rhtml?name=rdtool
>


Why not bundle a lexer with racc?

Phil