[antlr-interest] new "tutorial" for v3

[Kay Roepke]

On 25. Nov 2006, at 7:54 , Brian Slesinsky wrote:

> In the whitespace rule, why is it using skip() instead of  
> $channel=HIDDEN?

Using a different channel will retain the tokens but hide them from  
the parser, but skip()
won't even emit a token. If you are certain that you don't ever need  
the whitespace you can
save yourself the overhead of creating them.

HTH,

-k
-- 
Kay Röpke
http://classdump.org/