Re: ANTLR

Andrew Oliver <[email protected]>
Newsgroups gmane.org.user-groups.trijug.juglist
Message-ID <[email protected]>
Sorry that was unclear.  That was to say that
"6 uid SEARCH UNDELETED HEADER Message-ID 44317CD1.8000407@localhost" 
gives me "bad syntax" with this grammer..

-Andy

Andrew Oliver wrote:
> Anyone here a big ANTLR guy/gal?
> 
> I'm still wrapping my head around it.  I have this grammar (for IMAP):
> 
> http://fisheye.labs.jboss.com/viewrep/~raw,r=1.1/JBoss/jboss-mail/src/java/org/jboss/mail/imap4/parser/grammer.g
> "6 uid SEARCH UNDELETED HEADER Message-ID 44317CD1.8000407@localhost"
> 
> I think that the problem lies here:
> 
> search [boolean isUID]
> 	{
> 		SearchCommand cmd = new SearchCommand(isUID);
>      AndSearchPart part = new AndSearchPart();
>      SearchPart oPart;
> 	}:
> 	SEARCH SPACE oPart =search_group[isUID] {part.addArgument(oPart);}
>                  (SPACE oPart=search_group[isUID] 
> {part.addArgument(oPart);})*
> 	{
>      cmd.setPart(part);
> 		command = cmd;
> 	}
>    ;
> 
> search_part [boolean isUID] returns [SearchPart part]
>    {
>       part = null;
>    }
>    :
>   (part=search_part_no_arg
>    |
>    part=search_part_str_arg
>    |
>    part=search_part_num_arg
>    |
>    part=search_part_date_arg
>    |
>    part=search_part_other[isUID])
>    ;
> 
> there is no search part that includes BOTH the UNDELETED (noarg) and the 
> HEADER (with arg).
> 
> Am I wrong?
> 
> -Andy
> 
> 
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