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Re: precedences vs. hierarchy

From "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups comp.compilers
Subject Re: precedences vs. hierarchy
Date 2016-06-06 17:08 +0200
Organization Aioe.org NNTP Server
Message-ID <16-06-004@comp.compilers> (permalink)
References <16-06-001@comp.compilers>

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On 06/06/2016 09:08, Andreas Schramm wrote:

> for specifying the syntax of operator expressions
> with multiple levels of precedences,
> there are essentially two approaches:
> (i) by precedence and associativity declarations, and
> (ii) by a hierarchy of non-terminals.

(iii) By only precedence, which I prefer. Associativity is not needed if
operator precedence is split into the left and right ones. That allows
to express any associativity, unary operators included.

--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de

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Thread

precedences vs. hierarchy Andreas Schramm <bassobajo@gmail.com> - 2016-06-06 09:08 +0200
  Re: precedences vs. hierarchy "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2016-06-06 17:08 +0200
    Re: precedences vs. hierarchy Kaz Kylheku <545-066-4921@kylheku.com> - 2016-06-07 15:35 +0000
      Re: precedences vs. hierarchy "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2016-06-07 22:53 +0200
      Re: precedences vs. hierarchy anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-06-08 09:48 +0000
  Re: precedences vs. hierarchy George Neuner <gneuner2@comcast.net> - 2016-06-06 12:35 -0400
  Re: precedences vs. hierarchy federation2005@netzero.com - 2016-06-06 14:01 -0700
    Example: The Full Syntax Of Prolog (Re: precedences vs. hierarchy) rockbrentwood@gmail.com - 2016-08-24 15:45 -0700

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