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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Ada standard and maximum line lengths
Date: Tue, 29 Jan 2013 22:22:56 +0100
Organization: cbb software GmbH
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Date: 2013-01-29T22:22:56+01:00
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On Tue, 29 Jan 2013 10:46:36 -0800 (PST), Lucretia wrote:

> I will be implementing a scanner for Ada 2012 and then a parser,

You don't need a separate scanner. Ada (as well as any other language) can
be parsed in single pass, including reading the source.

> I will read the entire file into a buffer and then scan the buffer.

A better approach would be to have an abstract type representing the source
with multiple implementations of, e.g. backed by a stream, by a file, by a
text buffer etc.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de