[Gtk2hs-devel] A new lexer/parser for c2hs [was: [C2hs] Re: support for 6.4]

[Axel Simon]

On Mon, 2005-05-30 at 19:18 +0100, Duncan Coutts wrote:

[..]
> Going back to the lexer, it now produces exactly the same output as the
> original lexer (including positions and unique names). Sadly it seems to
> have got quite a bit slower for reasons I don't quite understand. In
> particular making it monadic (which we need to do because of) seems to
> make it rather slower. It is now taking 6 seconds rather than 2 and so
> is now only a little faster that the original lexer. Though on the
> positive side it means that if the lexer is taking 6 out of the 8 second
> total then the parser is only taking 2 seconds which is quite good.

Ok, I'm impressed, too. But was the parser the culprit? It did use a lot
of space, but then most of the time in our current setup is spent in
serialisation. So if I understand your intention you mainly try to
improve the memory footprint, not the compilation time?

Nice effort,
Axel.