From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 Path: border1.nntp.dca1.giganews.com!nntp.giganews.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: Victor Porton Newsgroups: comp.lang.ada Subject: Re: 'Size hack for enumerated types Date: Mon, 07 Jul 2014 23:23:06 +0300 Organization: Aioe.org NNTP Server Message-ID: References: NNTP-Posting-Host: BISA/P8IHJbAM3ms471zeQ.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit X-Complaints-To: abuse@aioe.org User-Agent: KNode/4.12.4 X-Notice: Filtered by postfilter v. 0.8.2 Xref: number.nntp.dca.giganews.com comp.lang.ada:187436 Date: 2014-07-07T23:23:06+03:00 List-Id: Simon Wright wrote: > Victor Porton writes: > >> Where in the Reference Manual it is said that Ada enumeration types >> are "equivalent" to C int (=enum) type? > > Annex B.1 (http://www.ada-auth.org/standards/12rm/html/RM-B-1.html), > > 2 The Convention aspect is used to indicate that an Ada entity should > use the conventions of another language. > > 21 If the Convention aspect is specified for a type, then the type shall > either be compatible with or eligible for the specified convention. No reason to assume either of: 1. Ada enumeration is compatible with C int/enum. 2. Ada enumeration is eligible for the specified convention (the convention C). This is a work for a future standard. It seems that the current one does not assert neither 1 neither 2. :-( -- Victor Porton - http://portonvictor.org