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[Terrence Molson]

Boy, I hope this works.

--- Paul M Foster <paulf at quillandmouse.com> wrote:
> On Wed, Dec 12, 2001 at 02:06:04PM -0500, Jack Lloyd
> wrote:
> 
> > If you have access to a copy of Design Patterns,
> check out the "State"
> > and "Interpreter" models. The State pattern does
> almost exactly what you're
> > suggesting. Also the Flyweight pattern to reduce
> memory usage would
> > probably come in very handy.
> > 
> > I would say it's an interesing idea that could be
> fairly practical. -J
> > 
> 
> Grrr. This is like the 50th time someone's
> recommended that book. Okay,
> so I went out and bought it. Tough slogging, as I'm
> not an expert at
> this, but a pretty good book.
> 
> Thanks,
> 
> Paul
> 
> 
> > On Mon, 10 Dec 2001, Paul M Foster wrote:
> > 
> > > I'm just playing with some ideas here, and
> looking for feedback. Anyone
> > > ever heard of doing a state machine as a set of
> classes, with each state
> > > as a separate class? I'm thinking about parsing
> a file containing
> > > keywords and parameters. (Yes, I know you can
> use lex and yacc for this;
> > > I'm just kicking around ideas.)
> > >
> > > I haven't fleshed this out fully in my mind, but
> there might be a base
> > > class that has a get_next_token() method. Each
> class inherits from the
> > > base class and handles a specific state. The
> state class object would
> > > process whatever it needed to, and then have a
> next() method that called
> > > the get_next_token() method, interpreted the
> token, and determined what
> > > the next state would be, etc.
> > >
> > > Is this a really horrible idea? Intriguing?
> > >
> > > Paul
> > >
> > > _______________________________________________
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> > >
> > 
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