At 00:52 10/7/2001, Sascha Schumann wrote:
>On Tue, 10 Jul 2001, Zeev Suraski wrote:
>
> > At 00:26 10/7/2001, August Zajonc wrote:
> > >You see this happen though all the time with other software.
> > >
> > >Media players don't need to have 10 ways to decode wav files, but they do.
> >
> > There's a very big difference here. It does *exactly* the same
> > thing. Unlike codecs, which are all different. Here, it takes the same
> > text, and translates it to the same tokens
>
> It actually does not do that.
Then it is incompatible with the parser. Unless you mean slightly
different tokens in HTML blocks, which is obviously a negligible
performance-related implementation detail.
> The language scanner performs some optimizations on a very
> low level. The stream of tokens the new scanner produces is
> thus different from the Zend scanner's output. And as I
> might have mentioned on Saturday, it is not a port of the
> Zend scanner to re2c. It is a complete new implementation
> based on walking through zend_language_parser.h.
That certainly has disadvantages (stability/reliability), but may have some
performance advantages with re2c. I remember you mentioned using more states.
Zeev
--
PHP Development Mailing List <http://www.php.net/>
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
To contact the list administrators, e-mail: [EMAIL PROTECTED]
