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=-2.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.4 X-Google-Thread: 103376,ae928372f6e8af2 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!news2.google.com!proxad.net!usenet-fr.net!news.enst.fr!melchior!cuivre.fr.eu.org!melchior.frmug.org!not-for-mail From: Marius Amado Alves Newsgroups: comp.lang.ada Subject: Re: Problem with generic parameter Date: Wed, 22 Jun 2005 12:58:12 +0100 Organization: Cuivre, Argent, Or Message-ID: References: NNTP-Posting-Host: lovelace.ada-france.org Mime-Version: 1.0 (Apple Message framework v622) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7bit X-Trace: melchior.cuivre.fr.eu.org 1119441538 46159 212.85.156.195 (22 Jun 2005 11:58:58 GMT) X-Complaints-To: usenet@melchior.cuivre.fr.eu.org NNTP-Posting-Date: Wed, 22 Jun 2005 11:58:58 +0000 (UTC) To: comp.lang.ada@ada-france.org Return-Path: In-Reply-To: X-Mailer: Apple Mail (2.622) X-Virus-Scanned: by amavisd-new at dcc.fc.up.pt X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at ada-france.org X-BeenThere: comp.lang.ada@ada-france.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Gateway to the comp.lang.ada Usenet newsgroup" List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Xref: g2news1.google.com comp.lang.ada:11549 Date: 2005-06-22T12:58:12+01:00 I think this is legal, so the compiler is buggy. But I find it an unlogical generic idiom, and probably the bug has passed unnoticed before for this reason. That is, nobody wrote this before. What I find unlogical is the Generic_Root.Child parameters. I would find it logical to represent the array type as an exported entity instead of a generic parameter. generic type Indices is (<>); package Generic_Root type Measurement is array (Indices) of Measurement; On 22 Jun 2005, at 11:21, Jacob Sparre Andersen wrote: > with Generic_Root; > with Generic_Root.Child; > > procedure Demo is > > type Scalar is digits 15; > > package Measurements is > new Generic_Root (Scalar => Scalar); > > type Measurement_Array is array (Positive range <>) > of Measurements.Measurement; > > package Measurement_Text_IO is > new Measurements.Child (Indices => Positive, > Measurement_Array => Measurement_Array); > > begin > null; > end Demo; > > generic > > type Scalar is digits <>; > > package Generic_Root is > > > ----------------------------------------------------------------------- > ---- > -- type Limit: > > type Limit is (Below, Exact, Above, Undefined); > > > ----------------------------------------------------------------------- > ---- > -- type Measurement: > > type Measurement (As : Limit := Exact) is > record > case As is > when Below | Exact | Above => > Value : Scalar; > when Undefined => > null; > end case; > end record; > > > ----------------------------------------------------------------------- > ---- > > end Generic_Root; > > with Ada.Text_IO; > > generic > > type Indices is (<>); > > type Measurement_Array is array (Indices range <>) of Measurement; > > package Generic_Root.Child is > > end Generic_Root.Child;