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From: Marius Amado Alves <maa@liacc.up.pt>
Newsgroups: comp.lang.ada
Subject: Re: Hierarchical States Machines
Date: Thu, 29 Apr 2004 16:41:10 +0100
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Date: 2004-04-29T16:41:10+01:00

On Thursday 29 April 2004 04:58, Steve wrote:
> I don't have anything against using goto's for state machines... but...
>
> I usually set up an enumeration for each state:
>
>   type my_states is ( start_state, initializing, etc, end_state );...

That's how I usually do it too.

See

   http://www.liacc.up.pt/~maa/files/Ada_Automaton/

for an Ada tokenizer written this way. Programs Ada_Automaton_Test and=20
Ada_Counter are example applications of the package. Ada_Counter counts t=
he=20
significant semicolons in a unit.