[antlr-interest] Any doc on syntax diagrams?

Steve McFarlin smcfarlin at ocsnet.net
Wed Nov 11 11:08:06 PST 2009


They are the state numbers for the NFA. The negative numbers represent  
entry and accepting states of another NFA. If you are not familiar  
with these diagrams I suggest wikipedia as a very general entry point  
into nonterministic/deterministic finite automata.


steve

On Nov 11, 2009, at 9:32 AM, Tony.Gray at ca.schneider-electric.com wrote:

>
> Sorry for the basic question, but what do the numbers in the circles  
> mean when you have "Show: NFA" checked?  State numbers?  Can I use  
> that information for anything?  Is it significant if they're negative?
>
> I've got Ter's book and can't find it there, and I've been googling  
> for half an hour and have missed it.
>
> Thanks!
>
> Tony Gray
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
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