Re: [boost] Re: FSM Review

From: Iain Hanson (Iain.Hanson_at_[hidden])
Date: 2005-03-08 09:45:16

On Mon, 2005-03-07 at 21:24 -0500, David Abrahams wrote:
> "Iain K. Hanson" <ikh_at_[hidden]> writes:
> 
> > On Mon, Mar 07, 2005 at 06:03:15PM -0500, David Abrahams wrote:
> >> "Andreas Huber" <ahd6974-spamgroupstrap_at_[hidden]> writes:
> >> 
> >
> > [snip]
> >
> >> >
> >> > That depends on the functionality. I don't think it is possible if you 
> >> > want to provide support for orthogonal regions.
> >> 
> >> Sorry, I don't really understand the concept.  How are they different
> >> from separate state machines?
> >
> > AFAICT nothing. State charts are always collapseable to state transition
> > tables. 
> 
> This has something to do with STTs and State Charts?  I'm lost.
> Nothing else you say here helps clarify the concept of orthogonal
> regions for me.

No. Sorry, I should not have run the two together. orthogonal regions
are also know as concurrent states. They are separate state machines
running on separate threads.

The other stuff was to give you an idea of what would be needed to
support a state chart DSL and generator.

/ikh