Re: Parsing Expression Grammar

Detlef Meyer-Eltz <Meyer-Eltz@t-online.de>
18 Sep 2005 00:44:01 -0400

          From comp.compilers

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Re: Parsing Expression Grammar paul@parsetec.com (Paul Mann) (2005-09-11)
Re: Parsing Expression Grammar DrDiettrich@compuserve.de (Hans-Peter Diettrich) (2005-09-14)
Re: Parsing Expression Grammar gneuner2@comcast.net (George Neuner) (2005-09-14)
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From: Detlef Meyer-Eltz <Meyer-Eltz@t-online.de>
Newsgroups: comp.compilers
Date: 18 Sep 2005 00:44:01 -0400
Organization: Compilers Central
References: 05-09-023 05-09-045 05-09-058 05-09-071
Keywords: parse
Posted-Date: 18 Sep 2005 00:44:01 EDT

> the grammar contortions that are often needed tend to be very ugly.
> From the two LL parser generators that I wrote, this is what
> annoyed me the most.


I guess with "contortions" you mean the result of factorizing
tokens out, to make a grammar LL(1) conform. For compiler generators with
look ahead capabilities as ANTLR, Coco/R or the TextTransformer, this
isn't necessary any more.




Regards


Detlef Meyer-Eltz
--
mailto:Meyer-Eltz@t-online.de


url: http://www.texttransformer.de
url: http://www.texttransformer.com


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