Re: [Boost-users] [spirit] error removal

From: Joel de Guzman (joel_at_[hidden])
Date: 2005-10-13 23:40:02

Aaron Griffin wrote:
> Hi all,
> 
> On a side note, if I have a rule similar to (keyword >> identifier),
> the skip_parser will translate "somekeyword a" into "somekeyworda" and
> will parse it fine.  However, what is to stop someone from removing
> the whitespace in the original code.  With a quick glance, it appears
> the example c grammar from the spirit site will parse "voidfoo()" just
> fine due to this.  Is there anyway I can tell the skip grammar to
> force a seperation?

The technique used in QuickBook is:

     keyword >> (eps_p - (alnum_p | '_'))
     ;   // make sure we recognize whole words only

(yes, the example C grammar should be fixed)

Oh and BTW, the proper forum for Spirit is:
spirit-general_at_[hidden]
https://lists.sourceforge.net/lists/listinfo/spirit-general

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net