> doing state machines with switch statements is a big mess.
Still, you'll find a lot of them around. Do you have a favored
technique for coding complex state machines? (I'm a collector :)
One scheme I've been using for quite some time is to use a function
pointer as a 'state variable', sometimes making a stack of them for
a more flexible machine.
Sometimes I use a transition matrix for selection of the 'state function'
but more often the functions themselves perform 'next state' selection.
To be honest though, most of the time the machinery I need for an
application has from four to six states. Anything more than a simple
switch on a state variable seems to be overkill for those.
Cheers,
Jerry Hicks
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