Re: GNAT Stream Read processing problem

[dewar@gnat.com]

In article <76tsgd$s0o1@svlss.lmms.lmco.com>,
  "Bruce Detter" <bruce.detter@lmco.com> wrote:

> When I compile this no matter what type is specified for
> the Read attribute and the data element to be read into,
> I get the following errors three times:

> ... expected type "Standard.Integer"
> ... found type "Standard.Long_Integer"
>
> and it points me to the second parameter of each 'Read.
> Can someone suggest what it is I'm doing wrong.

Surely if you use -gnatv to point out the EXACT location of
the error:

    30.          Long_Integer'Read(S, Data(ndx).elements);
                                           |
        >>> expected type "Standard.integer"
        >>> found type "Standard.long_integer"

that should be enough of a clue, it is VERY specifically
telling you that the subscript of Data must be of type
Standard.integer, and you are using long_integer.

While you are learning Ada 95, use -gnatv as a matter of
course to tell exactly where the error message is being
posted. GNAT goes to great pains to try to post the error
in exactly the most helpful place, take advantage of this!

Robert Dewar
Ada Core Technologies

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