[antlr-interest] Simple (should be) lexer Q

[Terence Parr]

On Jun 10, 2005, at 9:47 AM, Gerald B. Rosenberg wrote:

Hi.  What does the -traceLexer option tell you?  I guess you're  
saying that it never chooses the 2nd alternative.  What is your k  
level?  Is WS a single char or can it be multiple?

Ter

> NAME:
>       ( CAPWORD (WS CAPWORD)* COMMA WS CAPWORD ) => CAPWORD (WS  
> CAPWORD)* COMMA WS CAPWORD
>     | ( CAPWORD (WS CAPWORD)+ ) => CAPWORD (WS CAPWORD)+
>     |   CAPWORD
> ;
>
>
> protected
> CAPWORD:
>     UPPERLETTER (LETTER)* (PERIOD)?
> ;
>
> protected
> LETTER:
>     UPPERLETTER | LOWERLETTER
> ;
>
> protected
> UPPERLETTER:
>     'A'..'Z'
> ;
>
> protected
> LOWERLETTER:
>     'a'..'z'
> ;
>
> protected
> PERIOD  '.';
>
> ----
> Gerald B. Rosenberg, Esq.
> NewTechLaw
> 285 Hamilton Avenue, Suite 520
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>
> 650.325.2100  (office)  /  650.703.1724  (cell)
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>
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--
CS Professor & Grad Director, University of San Francisco
Creator, ANTLR Parser Generator, http://www.antlr.org
Cofounder, http://www.jguru.com