Re: Recursive Descent Parsers and YACC

mailrus!sharkey!hela!iti.org!dhw@uunet.UU.NET (David H. West)
Tue, 20 Nov 90 20:41:36 GMT

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Newsgroups: comp.compilers
From: mailrus!sharkey!hela!iti.org!dhw@uunet.UU.NET (David H. West) (5.61/IDA-1.2.5) id AA00722; Tue, 20 Nov 90 15:41:42 -0500
Keywords: parse, yacc, design, question
Organization: Industrial Technology Institute
References: <F7p?bk63@cs.psu.edu> <11678@hubcap.clemson.edu>
Date: Tue, 20 Nov 90 20:41:36 GMT

In article <11678@hubcap.clemson.edu> grimlok@hubcap.clemson.edu (Mike Percy) writes:
>the recursive descent parser generators I've worked on/with [...]


>If you want to get a parser up quickly, use an Early's algorithm-based
>parser.


Does anyone know of any of the above kinds of parser freely available in
source?


-David West dhw@iti.org
[Quite a while ago I used an Earley parser in IMP-10, but I haven't seen
one lately. Personally, I think the effort spent in pushing a grammar into
LALR or LL(k) is usually worth it, one often finds surprising ambiguities.
-John]
--

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