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From: Phil Thornley <phil.jpthornley@googlemail.com>
Newsgroups: comp.lang.ada
Subject: Re: SPARK parameter type error.
Date: Mon, 8 Jun 2009 02:47:07 -0700 (PDT)
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> Running spark on posix-file.ads results in many instances of:
>
> =A0 42 =A0 =A0 =A0 Error_Value =A0: out POSIX.Error.Error_t);
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 ^
> *** =A0 =A0 =A0 =A0Semantic Error =A0 =A0:754: The identifier Error is ei=
ther
> undeclared or not
> =A0 =A0 =A0 =A0 =A0 =A0visible at this point. This package must be both i=
nherited
> and
> =A0 =A0 =A0 =A0 =A0 =A0withed to be visible here.
>

> What's going on?

The SPARK language doesn't allow the optional (in Ada) parent name to
be given - so just delete all the POSIX. prefixes and it will work.

(SPARK insists that any entity can only have a single name - in this
case Error.Error_t - and disallows POSIX.Error.Error_t).

Cheers,

Phil Thornley