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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[13 earlier articles]
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)
Re: Parsing Expression Grammar Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2005-09-14)
Re: Parsing Expression Grammar cleos@nb.sympatico.ca (Cleo Saulnier) (2005-09-17)
Re: Parsing Expression Grammar DrDiettrich@compuserve.de (Hans-Peter Diettrich) (2005-09-17)
Re: Parsing Expression Grammar Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2005-09-18)
Re: Parsing Expression Grammar cleos@nb.sympatico.ca (Cleo Saulnier) (2005-09-22)
Re: Parsing Expression Grammar schmitz@i3s.unice.fr (Sylvain Schmitz) (2005-09-22)
Re: Parsing Expression Grammar schmitz@i3s.unice.fr (Sylvain Schmitz) (2005-09-22)
Re: Parsing Expression Grammar rsc@swtch.com (Russ Cox) (2005-09-22)
Re: Parsing Expression Grammar cfc@shell01.TheWorld.com (Chris F Clark) (2005-09-22)
Re: Parsing Expression Grammar schmitz@i3s.unice.fr (Sylvain Schmitz) (2005-09-22)
[8 later articles]
| List of all articles for this month |
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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