Re: JESS: Bug?

2005-12-08 Thread ejfried
I think Yura wrote:
[Charset koi8-r unsupported, filtering to ASCII...]
> Hi jess-users
> 
> JessDE doesn't parse this rule (saying: 'TRUE' is a symbol, not an integer):
> 
> (defrule rule (declare (salience (+ 1 1))) => )
> 
> whereas Jesp makes no complaints.

Yep. I can reproduce this and now that you point it out, I immediately
see what's happening. Thanks for the report.



-
Ernest Friedman-Hill  
Advanced Software Research  Phone: (925) 294-2154
Sandia National LabsFAX:   (925) 294-2234
PO Box 969, MS 9012 [EMAIL PROTECTED]
Livermore, CA 94550 http://herzberg.ca.sandia.gov


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Re: JESS: Bug?

2005-12-02 Thread ejfried
I think Yura wrote:
> (defrule rule (declare ) =>)
> 
> When I type "(" inside "(declare)" I receive auto-loop,
> no-focus,node-index-hash and salience. After manually inserting
> "slot-specific" I receive error. I'm using Jess70b4, my Eclipse is 3.1.1.

Ah. OK. That's because slot-specific applies to deftemplates, not defrules.

> I try to deal with this by modifying the LHS:
> 
> (defrule rule1
> (need-T ...)
> (not (T ...))
> =>
> ...
> )
> 
> but I'm not sure whether it'll work correctly.

That's a common thing to have to do. In the first implementation of
Jess's backward chaining, Jess would insert a "not" pattern like that
automatically, but it turned out to not always be the right thing to
do -- or at least Jess couldn't figure out exactly what the correct
pattern should look like. So it's now left up to the programmer.

-
Ernest Friedman-Hill  
Advanced Software Research  Phone: (925) 294-2154
Sandia National LabsFAX:   (925) 294-2234
PO Box 969, MS 9012 [EMAIL PROTECTED]
Livermore, CA 94550 http://herzberg.ca.sandia.gov


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Re: JESS: Bug

2005-12-02 Thread ejfried
An example, please? I just tried it myself and (as I expected) not
only does it not flag them as an error, it auto-completes them.

I think Yura wrote:
> JessDE doesn't accept "slot-specific" declarations.
> 



-
Ernest Friedman-Hill  
Advanced Software Research  Phone: (925) 294-2154
Sandia National LabsFAX:   (925) 294-2234
PO Box 969, MS 9012 [EMAIL PROTECTED]
Livermore, CA 94550 http://herzberg.ca.sandia.gov


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