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 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,a965a2c097437981 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-04-30 11:21:04 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newspeer.monmouth.com!newscon02.news.prodigy.com!newsmst01.news.prodigy.com!prodigy.com!postmaster.news.prodigy.com!newssvr21.news.prodigy.com.POSTED!not-for-mail From: tmoran@acm.org Newsgroups: comp.lang.ada Subject: Re: ANN: GMGPL Claw Page References: <4519e058.0204300527.4bddd952@posting.google.com> X-Newsreader: Tom's custom newsreader Message-ID: <9gBz8.4052$wr1.2380283950@newssvr21.news.prodigy.com> NNTP-Posting-Host: 64.175.241.1 X-Complaints-To: abuse@prodigy.net X-Trace: newssvr21.news.prodigy.com 1020190853 ST000 64.175.241.1 (Tue, 30 Apr 2002 14:20:53 EDT) NNTP-Posting-Date: Tue, 30 Apr 2002 14:20:53 EDT Organization: Prodigy Internet http://www.prodigy.com X-UserInfo1: TSU[@SVGXZUWSVPXN[O@_WH@YR_B@EXLLBWLOOAFEQR@ETUCCNSKQFCY@TXDX_WHSVB]ZEJLSNY\^J[CUVSA_QLFC^RQHUPH[P[NRWCCMLSNPOD_ESALHUK@TDFUZHBLJ\XGKL^NXA\EVHSP[D_C^B_^JCX^W]CHBAX]POG@SSAZQ\LE[DCNMUPG_VSC@VJM Date: Tue, 30 Apr 2002 18:20:53 GMT Xref: archiver1.google.com comp.lang.ada:23289 Date: 2002-04-30T18:20:53+00:00 List-Id: > portability issues are confied to: > > o Using a particular convention name (eg: "stdcall") that may not > exist on other compilers. (The only predefined one is "C", which is > not what a lot of Win32 uses). > o Assuming Ada's Address type is compatable with C pointers. "stdcall" is already used in Claw. It works on Apex, Gnat, ObjectAda, and Janus. Claw uses 'access', not system.address, which is not, in fact, always the same thing as a C pointer. I really can't understand why, given the examples of System.Address_To_Access_Conversions, Interfaces.C.Strings, Interfaces.C.Pointers, and a given a demonstrated ability to move comfortably among different abstractions, anyone would use such a low level, implementation defined thing as System.Address. Given the frequency with which it's done in c.l.a. postings, I guess it seems reasonable to more than a few people. #.#