[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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