[antlr-interest] "protected" lexer rules

Terence Parr parrt at cs.usfca.edu
Tue Nov 9 07:18:20 PST 2004



On Nov 9, 2004, at 1:24 AM, Anthony Youngman wrote:

>
> My vote would go for "helper" or "subrule".
>
> As I understand it, though, the important difference is that these 
> rules
> are "expanded" and don't exist in their own right in the generated 
> code,
> so as long as that's made clear in the docu then okay.

Howdy.  Actually, the rules still end up as methods in the lexer. :)  
Need it for recursion and such.  The issue is that they should not be 
included in the overall rule that predicts which token will match.

Ter





 
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