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From: Joel de Guzman (djowel_at_[hidden])
Date: 2002-10-19 19:44:05

----- Original Message -----
From: "Carl Daniel" <cpdaniel_at_[hidden]>

> Summary: I think that Spirit should be accepted into Boost.


> Comments:
> I've already posted a variety of documentation and code nits - I won't
> repeat those.
> I will echo the concern of others that the documentation, while excellent,
> is also insufficient. A complete reference section is absolutely necessary,


> along with some significant discussion of theory of operation, and tradeoffs
> between all the different mechanisms. e.g. When would I use a
> rule/subrule/grammar? Why is one better than the other? Why do they all
> exist?


> It's been many years (15?) since any of my projects have needed a parser,
> but I was able to build a parser for a moderately complex Pascal-like "4GL"
> in about 3 hours, using one of the samples as a guide. I expect a second
> go-around would cut that development time in half (or better).

I'd be really interested with your Pascal-like "4GL" language.
I'm also interested with Doug's review experiments. I'm
sure these will be nice additions to the samples if either or both
of you make them available.

> One concern I have, which I belive is based mostly in ignorance, is the
> ability of a Spirit-generated parser to perform error recovery and issue
> good error messages. I didn't have time to experiment with the exceptions
> and guards mechanism, so perhaps my concern is unfounded.

This is a strong point of LL (including RD). I'll try to make a strong
case in this regard coupled with examples and tests.

> Great work Joel, Dan, Harmut, Martin, JCAB, and everyone else!

And thanks to you too.


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