[antlr-interest] Re: "protected" lexer rules
Geir Ove Skjaervik
geiroves at online.no
Mon Nov 8 02:26:53 PST 2004
Since it is an ALIAS for a sequence of atoms, why not simply call it
ALIAS ?
Geir Ove
--- In antlr-interest at yahoogroups.com, Terence Parr <parrt at c...>
wrote:
> Ok, folks, time to come up with a better name for lexer rules that
are
> not real tokens (they are only rules called by other rules).
Currently
> it's "protected", which is hideous:
>
> FLOAT : (DIGIT)+ '.' DIGIT | (DIGIT)+ ;
>
> protected
> DIGIT : '0'..'9' ;
>
> Ick. So, should it be an option or keyword? What would the name
be?
> I can't even describe it exactly even in two words. :(
>
> "non token"? "method"? "macro"? "internal"?
>
> Help!
>
> I need to implement this now in the 3.0 system.
>
> Ter
> --
> CS Professor & Grad Director, University of San Francisco
> Creator, ANTLR Parser Generator, http://www.antlr.org
> Cofounder, http://www.jguru.com
> Cofounder, http://www.knowspam.net enjoy email again!
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