Re: terminological problem (EBNF & regular expressions)

Detlef Meyer-Eltz <Meyer-Eltz@t-online.de>
23 Oct 2005 00:32:18 -0400

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Related articles
Re: terminological problem (EBNF & regular expressions) paul@parsetec.com (Paul Mann) (2005-10-14)
Re: terminological problem (EBNF & regular expressions) Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2005-10-15)
Re: terminological problem (EBNF & regular expressions) paul@parsetec.com (Paul Mann) (2005-10-17)
Re: terminological problem (EBNF & regular expressions) paul@parsetec.com (Paul Mann) (2005-10-19)
Re: terminological problem (EBNF & regular expressions) Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2005-10-19)
Re: terminological problem (EBNF & regular expressions) paul@parsetec.com (Paul Mann) (2005-10-20)
Re: terminological problem (EBNF & regular expressions) Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2005-10-23)
Re: terminological problem (EBNF & regular expressions) paul@parsetec.com (Paul Mann) (2005-10-26)
Re: terminological problem (EBNF & regular expressions) RLake@oxfam.org.uk (2005-10-26)
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From: Detlef Meyer-Eltz <Meyer-Eltz@t-online.de>
Newsgroups: comp.compilers
Date: 23 Oct 2005 00:32:18 -0400
Organization: Compilers Central
References: 05-10-104 05-10-125 05-10-137
Keywords: parse

>>> LRgen allows one to do it like this: [X|Y|Z]/','...
> It seems like one would have to say


> ((X|Y|Z)(,(X|Y|Z))*)?


> to accomplish the same thing.


Yes, if an X or Y or Z has to follow the last comma. I could not find
the description of the '/'-operator on your web-site. So I made the
translation, which seemed to me being adequate.
For this case your syntax has won.


Regards


Detlef Meyer-Eltz


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