[antlr-interest] Comments / White-Space and All The Rest

[Micheal J]

Hi,

> Place comments on a hidden token channel  
> so that the parser does not see them in terms of parsing, but 
> actions  
> can still access the comments.  All non-skipped tokens are sent to  
> the parser in the token stream and just by looking backwards and  
> forwards in the token stream you can see all of the hidden channel  
> tokens.

How to really drop a token (i.e. not just hide using channel no.)?

Micheal

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