Re: [boost] Spirit C++ parser framework

From: David Abrahams (abrahams_at_[hidden])
Date: 2001-06-08 09:22:37

----- Original Message -----
From: "joel de guzman" <isis-tech_at_[hidden]>

>
> Some questions:
>
> 1. Why is compilation times bounded by lexical analysis?

Sheer number of tokens to be processed. That is why most compilers can't
afford to use table-generated lexers and end up using hand-crafted code
instead.

Well, at least until template instantiation came along as a compilation job,
this was true ;-)

> 2. What are the performance bottle-necks typically encountered?
> 3. What can be done about it?

I don't know.

-Dave