From 5372586720568351527 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,13ce76b24fcf616c X-Google-Attributes: gidf78e5,public From: Pieter van Beek Subject: Re: Operator precedence Date: 1999/12/29 Message-ID: <38692702.FCB626F4@kobasoft.nl>#1/1 X-Deja-AN: 565911517 Content-Transfer-Encoding: 7bit Approved: Fergus Henderson References: <3868B1A1.D47627B4@kobasoft.nl> <3868DE6D.5C90C109@sensor.com> X-Original-Date: Tue, 28 Dec 1999 22:09:22 +0100 X-Accept-Language: en Content-Type: text/plain; charset=us-ascii X-Complaints-To: news@news.unimelb.edu.au X-Trace: ariel.ucs.unimelb.edu.au 946439432 2736 128.250.37.153 (29 Dec 1999 03:50:32 GMT) Organization: Kobayashi Software X-Auth: PGPMoose V1.1 PGP comp.std.c++ iQBFAgUAOGmFLuEDnX0m9pzZAQGBLgGAgrGaSgUhZt08InqJkJlSAQ1ljiI/UkM5 yYBoMvXXe3DNxK9r+UdUJ9HIix5Dk7PL =oT8x Mime-Version: 1.0 NNTP-Posting-Date: 29 Dec 1999 03:50:32 GMT Newsgroups: comp.std.c++ Ron Natalie wrote: > Pieter van Beek wrote: > > > > Hi all, > > > > There seems to be no operator precedence table in de ansi C++ standard. > > I always used the one from Stroustrup, and only found out yesterday this > > topic is not covered by the standard. > > > > AIMS? > > > > Precedence is not defined by that table, even in C, it is implied by > the language grammar. The inclusion of the table in K&R and Stroustrup > is purely informational. Note the comment from Stroustrup at the bottom > of page 121: > A few grammar rules cannot be expressed in terms of precedence > (also known as binding strength) and associativity. > > This has lead to some confusion with the ?: operator interpretation. If this is so, then how know, from the standard, how for example *array_of_arrays[3] will be interpreted? Or *foo->bar() ? Pieter -- KOBAYASHI SOFTWARE Tel. +31 20 4165015 Rich text (HTML) e-mail is preferred PGP Key ID: 0x823C9CEC Fingerprint: CE4E E2D5 C18C 45AD 2DBD 08E5 BACA 342F 823C 9CEC --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://reality.sgi.com/austern_mti/std-c++/faq.html ]