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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Ayacc/Aflex "entropy" (P2Ada)
Date: 1999/10/26
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Date: 1999-10-26T00:00:00+00:00
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In article <7v2400$e02$1@nnrp1.deja.com>,
  Ted Dennison <dennison@telepath.com> wrote:
> You ought to consider getting a good yacc book. I use the
O'Reilly
> Lex/Yacc nutshell book, and it seems quite good. It has a
whole chapter
> on Yacc conflicts that you might find most helpful.
(Reduce/Reduce
> roughly means a series of tokens matches 2 rules and it can't
decide
> which to use).

I find it appalling that people use such rusty tools as YACC
and AYACC, these are very limited tools which seem to completely
ignore the considerable advances in this area in the last 25
years!

> > - Should one "migrate" to a replacement of ayacc ?
> >
> > - If so, is there an automatic way to translate
> >   Pascal.Y ?...
>
> Within a couple of months I hope to get OpenToken to a point
where it
> would be a useful alternative for such projects. As it stands
now, you'd
> have to do you own parsing, though.


Automatic lexical analyzers are almost completely useless
in a compiler context.


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