[antlr-interest] Request for Change regarding Lexer (?)

[Marcin Rzeźnicki]

2010/2/16 Terence Parr <parrt at cs.usfca.edu>

> The key to your question was:
>
> "and it occurred to me that ANTLR does not really inspect follow set, it
> seems to inspect only what's left in the rule itself."
>
> That improvement/bug is what I intend to fix :)  Actually, ANTLR v4 lexers
> will just plain work better (i.e., more like what you expect) ;)
>
>
Well, yes, right, that would be really nice (by the way, when is this new
release coming?), but when I am thinking of this; it would not really save
the day in my case as follow set of LineSequence is actually {  '}' , ']'  }
and what I need is loop escaping dependent on previous match, so some
constrained context passing would be nice.



> Ter
> On Feb 16, 2010, at 10:39 AM, Marcin Rzeźnicki wrote:
>
> > Hi,
> > Thanks for quick reply.
> > Anyway, I am not sure whether I understand this RFI you wrote, but if I
> do then what I am suggesting is way simpler to implement because the "next
> token analysis" part is left to the user. I am not sure whether I see all
> the issues clearly.
> >
> > 2010/2/16 Terence Parr <parrt at cs.usfca.edu>
> > http://www.antlr.org/jira/browse/ANTLR-189
> > Ter
> > On Feb 16, 2010, at 10:29 AM, Marcin Rzeźnicki wrote:
> >
> >
> >
> >
> >
> > --
> > Greetings
> > Marcin Rzeźnicki
>
>


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Marcin Rzeźnicki