From: Clifford Heath <no@...>
Date: 2008-02-16T06:24:57+09:00
Subject: Re: EOF in TreeTop?

Day wrote:
> see if anyone knew off the top of their head... I'm looking for
> something like this, I think:
> 
> rule comment
>   '*' (!"\n" !eof .)* ("\n" / eof)
> end

This should work for detecting eof:

rule eof
  ! .
end

You might simplify by defining end of comment:

rule eoc
  "\n" / eof
end

Then comment becomes:

rule comment
  '*' (!eoc .)* eoc
end

Clifford Heath.