Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!news.misty.com!news.iecc.com!.POSTED!nerds-end From: wclodius@earthlink.net (William Clodius) Newsgroups: comp.compilers Subject: Re: LR(1) Parsing : Error Handling & Recovery Date: Fri, 18 Jul 2014 13:41:53 -0600 Organization: Compilers Central Lines: 15 Sender: news@iecc.com Approved: comp.compilers@iecc.com Message-ID: <14-07-031@comp.compilers> References: <14-07-023@comp.compilers> <14-07-024@comp.compilers> <14-07-030@comp.compilers> NNTP-Posting-Host: news.iecc.com X-Trace: miucha.iecc.com 1405713831 90339 2001:470:1f07:1126:0:676f:7373:6970 (18 Jul 2014 20:03:51 GMT) X-Complaints-To: abuse@iecc.com NNTP-Posting-Date: Fri, 18 Jul 2014 20:03:51 +0000 (UTC) Keywords: parse, LR(1) Posted-Date: 18 Jul 2014 16:03:51 EDT X-submission-address: compilers@iecc.com X-moderator-address: compilers-request@iecc.com X-FAQ-and-archives: http://compilers.iecc.com Xref: csiph.com comp.compilers:1321 George Neuner wrote: > On Wed, 16 Jul 2014 16:39:09 -0400 (EDT), Ivan Godard > wrote: > > In theory, any LL(k) language can be refactored to be LL(1), but > refactoring a "greater than small k" language is usually impractical > due to explosive growth of the resulting LL(1) grammar. > > George I have memories that an LR(k) grammar can in principle be refactore to LR(1), but that in general an LL(k) gramar cannot be refactored to LL(1).