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From: evangeli@cnam.fr (Evangelista Sami)
Newsgroups: comp.lang.ada
Subject: Re: explanation about an error message
Date: 7 Jul 2004 12:51:42 -0700
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Date: 2004-07-07T12:51:42-07:00
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Georg Bauhaus <sb463ba@l1-hrz.uni-duisburg.de> wrote in message news:<ccgs2c$bjm$1@a1-hrz.uni-duisburg.de>...
> Evangelista Sami <evangeli@cnam.fr> wrote:
> : 
> : generator.adb:4:06: unit in with clause is private child unit
> : generator.adb:4:06: current unit must also have parent "Decls"
>  
> : file generator.adb :
> : -------------------------------
> : 
> : with Generator.Decls; use Generator.Decls;
> : with Generator.Decls.Vars; use Generator.Decls.Vars;  
> : package body Generator is
> :   ...
> : end generator;
> : -------------------------------
> : 
> : line 4 is "with Generator.Decls.Vars; use Generator.Decls.Vars;".
> : generator.decls and generator.decls.vars are two private packages.
> 
> I've found it useful to think of children as of nested packages:
> 
> package Generator is
> 
>    procedure run;
> 
> private  -- part of Generator
> 
>    foo: Wide_Character;
> 
>    package Vars is
> 
>       var_foo: Wide_Character;
> 
> 
>    private  -- part of Vars
> 
>       package Decls is
>          decl_foo: Wide_Character;
>       end Decls;
> 
>    end Vars;
> 
> end Generator;
> 
> package body Generator is
> 
>    ---------
>    -- run --
>    ---------
> 
>    procedure run is
>       oops: Wide_Character;
>    begin
>       oops := Vars.var_foo;
>       oops := Vars.Decls.decl_foo;
>    end run;
> 
> end Generator;
> 
> 
>     11.       oops := Vars.Decls.decl_foo;
>                           |
>         >>> "Decls" is not a visible entity of "Vars"


so what i'm tryng to do is impossible?