On Sun, 2009-05-17 at 12:48 +0200, Micha wrote:
> On Sunday 17 May 2009 11:01:36 Jesper Larsson wrote:
> > Not always so easy, however. My original example was, even more
> > simplified, something like this:
> >
> > FOO:'foo';
> > BAR:'b
> If you want the longest match, then left factor everything and let it
> do that:
>
> A ( B (C|) |) ;
>
> And set the token type at the appropriate points.
Not always so easy, however. My original example was, even more
simplified, something like this:
FOO:'foo';
BAR:'bar';
FOOZ: '
On Sat, 2009-05-16 at 08:27 +0530, Indhu Bharathi wrote:
> This is because on seeing 'f' of foo lexer has two options - 1. IDENT
> 2. URL. And it takes the second options since that seems to be longer
> that the first alternative. Note that the lexer always tries to match
> the longest token possi
Sorry if this is a stupid question, but if it is I hope it has a quick
stupid answer.
My ANTLR-generated lexer protests about unexpected characters in a
situation where it could have matched the input with other rules. My
understanding of ANTLR and other tools that generate lexers is that it
shou
