Re: Backtracking yacc

sasghm@unx.sas.com (Gary Merrill)
Wed, 23 Sep 1992 13:29:17 GMT

          From comp.compilers

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Re: Backtracking yacc andrewd@cs.adelaide.edu.au (1992-09-21)
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Re: Backtracking yacc schrod@iti.informatik.th-darmstadt.de (1992-09-23)
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Re: Backtracking yacc sasghm@unx.sas.com (1992-09-25)
Re: Backtracking yacc neitzel@ips.cs.tu-bs.de (1992-09-25)
| List of all articles for this month |
Newsgroups: comp.compilers
From: sasghm@unx.sas.com (Gary Merrill)
Organization: SAS Institute Inc.
Date: Wed, 23 Sep 1992 13:29:17 GMT
Originator: sasghm@theseus.unx.sas.com
Keywords: yacc, parse, LALR, LL(1)
References: 92-09-059 92-09-126

andrewd@cs.adelaide.edu.au (Andrew Dunstan) writes:
|> Why not use all this to write grammars any old LR(k)-how, and then
|> transform them? Basically, because it's not worth the bother, at least
|> most of the time. LALR(1) is powerful enough for most purposes. (In fact I
|> am more taken with LL(1), for reasons I won't go into here.)


Wait a minute! Please *do* go into these reasons here. I think they
might very well be of general interest. I to am more "taken" will LL(1)
grammars. They seem more "natural" to me. I think I could make this
more precise, but I am quite interested in hearing the feelings of others.
--
Gary H. Merrill [Principal Systems Developer, C Compiler Development]
SAS Institute Inc. / SAS Campus Dr. / Cary, NC 27513 / (919) 677-8000
sasghm@theseus.unx.sas.com ... !mcnc!sas!sasghm
--


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