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From: Martin <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: newbie problem
Date: Mon, 18 May 2009 03:48:15 -0700 (PDT)
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On May 18, 11:23=A0am, Olivier Scalbert <olivier.scalb...@algosyn.com>
wrote:
> sjw wrote:
> > We proposed a (joke) coding standard that the length of a name should
> > be log-base-2 the length of its scope in lines. So I might be quite
> > happy with Output : File_Type; for example. Depends whether you have
> > anything else that might be confused with it.
>
> Hi,
>
> I have reorganized the code a little bit.
>
> ------------------------------------------
> -- audio.ads
> ------------------------------------------
> package audio is
>
> =A0 =A0 =A0type Amplitude is new Float;
> =A0 =A0 =A0type Frequency is new Float;
> =A0 =A0 =A0type Time =A0 =A0 =A0is new Float;
>
> =A0 =A0 =A0type Stereo_Amplitude is record
> =A0 =A0 =A0 =A0 =A0Left : Amplitude;
> =A0 =A0 =A0 =A0 =A0Right: Amplitude;
> =A0 =A0 =A0end record;
>
> end audio;
>
> ------------------------------------------
> -- audio-als.ads
> ------------------------------------------
> private with Ada.Sequential_Io;
>
> package audio.als is
>
> type File is limited private;
>
> procedure Create (F: out File; File_Name: String);
> procedure Write =A0(F: in =A0File; Sample: Stereo_Amplitude);
> procedure Close =A0(F: out File);
> procedure Get_Min_Max (File_Name: String; Min: out Amplitude; Max: out
> Amplitude);
>
> private
>
> package Stereo_Amplitude.Io is new Ada.Sequential_Io (Stereo_Amplitude);
>
> type File is record
> =A0 =A0 =A0File_Type: Stereo_Amplitude_Io.File_Type;
> =A0 =A0 =A0-- perhaps more stuff later
> end record;
>
> end audio.als;
>
> ------------------------------------------
> -- audio-als.adb
> ------------------------------------------
> ...
>
> When I do: gnatmake audio-als.adb, I've got:
>
> gnatmake audio-als.adb
> gcc-4.3 -c audio-als.adb
> audio-als.ads:14:09: child unit allowed only at library level
>
> line 14 is : package Stereo_Amplitude.Io is new Ada.Sequential_Io
> (Stereo_Amplitude);
>
> I must admit that I have no idea on how to solve it ...
>
> Olivier

Change

package Stereo_Amplitude.Io

to

package Stereo_Amplitude_Io

Cheers
-- Martin