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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: References on encoding (Hierarchical) State Machines / Automata
 in Ada?
Date: Thu, 14 Feb 2013 09:34:17 +0100
Organization: cbb software GmbH
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Date: 2013-02-14T09:34:17+01:00
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On Wed, 13 Feb 2013 22:28:40 +0000, Simon Wright wrote:

> I can understand that if the FSM is a task - you're implementing the
> states in terms of the program counter, nothing wrong with goto for
> that. But if you've inverted this, so that the FSM is a passive
> construct, you're going to need an enumeration of the possible states,

True. This is how you switch from imperative to even/data-driven paradigm.

Unfortunately there is no support for co-routines in Ada to avoid the
latter [which is so bad, that some would resort to gotos (:-))].

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