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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,5997b4b7b514f689 X-Google-Attributes: gid103376,public From: fjh@mundook.cs.mu.OZ.AU (Fergus Henderson) Subject: Re: Really more GC talk (was: Reading a line of arbitrary length) Date: 1997/03/11 Message-ID: <5g2mmb$2nl@mulga.cs.mu.OZ.AU>#1/1 X-Deja-AN: 224575593 References: <5ds40o$rpo@fg70.rz.uni-karlsruhe.de> <33032AE2.666F@mds.lmco.com> <1997Mar5.102140.1@eisner> <5flm4e$ngl@mulga.cs.mu.OZ.AU> <1997Mar6.075735.1@eisner> Organization: Comp Sci, University of Melbourne Newsgroups: comp.lang.ada Date: 1997-03-11T00:00:00+00:00 List-Id: kilgallen@eisner.decus.org (Larry Kilgallen) writes: >fjh@murlibobo.cs.mu.OZ.AU (Fergus Henderson) writes: >> kilgallen@eisner.decus.org (Larry Kilgallen) writes: >> >>>It seems to me that by omission the Ada 95 (or 83, for that matter) >>>reference manual establishes that the "defined standard minimal interface" >>>is one without programmer control or API. Anything on top of that is >>>implementation-specific. >> >> Well, by omission it also implies that only conservative garbage >> collection can be used -- or at least that memory areas used by the >> foreign language interface must be conservatively scanned. This is a >> potentially undesirable constraint to place on implementations. > >No, it implies that only conservative garbage collection is standardized. OK, if you want to be pedantic... yes, I left out the word "standard-conforming" before "implementations". The standard implies that standard-conforming implementations can use only conservative garbage collection, and that implementations that use non-conservative GC techniques cannot be standard-conforming. That still seems to me to be a potentially undesirable constraint to place on standard-conforming implementations. -- Fergus Henderson | "I have always known that the pursuit WWW: | of excellence is a lethal habit" PGP: finger fjh@128.250.37.3 | -- the last words of T. S. Garp.