In j807 dbr 1 can print error message although not
entering suspension.
|value error: isboxed
| isboxed y
But j901 (after system error fixed) can print nothing.
Tue, 01 Oct 2019, Henry Rich написал(а):
> I will think about this. Applying f. to v allows some inverses to be
> calculated that would not otherwise be possible. I have some ideas for a
> fix, but I won't put them in till I have thought it over.
>
> hhr
>
> On 9/30/2019 10:55 PM, bill lam wrote:
> > It can execute and return 0 on j602.
> >
> > I tested on j807, the value error was already there, so that
> > the behavior alredy changed at that version or earlier.
> >
> > JVERSION
> > Engine: j807/j64/linux
> > Release-e: commercial/2019-06-10T13:48:44
> > Library: 8.07.26
> > Platform: Linux 64
> > Installer: unknown
> > InstallPath: /usr/share/j/8.07
> > Contact: www.jsoftware.com
> >
> >
> > 0!:0<'/home/bill/a1.ijs'
> > |value error: isboxed
> > | isboxed y
> > 0!:101<'/home/bill/a1.ijs'
> > cocurrent 'loc'
> > dec=: [
> > isboxed=: 32=3!:0
> > enc=: 3 : ('1 enc y';':';'isboxed y')
> > cocurrent 'z'
> > test=: 0 1&enc_loc_ : enc_loc_ :. (1 1&dec_loc_ : dec_loc_)
> > testi=: test_z_^:_1
> > cocurrent 'base'
> > dbr 1
> > 0:&.testi ''
> > |value error: isboxed
> > | isboxed y
> >
> > In j807 the dbr 1 can print the value error message, but no
> > suspension.
> >
> >
> > Mon, 30 Sep 2019, Henry Rich написал(а):
> > > This was deep. The system error was easy to fix for the next release (a
> > > missing NUL terminator to a string).
> > >
> > > You still get value error on isboxed, because u&.v is actually processed
> > > as
> > > u&.(v f.) when v contains names. Applying f. to a locative such as
> > > enc_loc_
> > > removes the locative, thus the resulting verb executes in base. I would
> > > have to study this quite a while before I changed something so deep in the
> > > system.
> > >
> > > When you run the code with dbr 1, it doesn't go into suspension when it
> > > hits
> > > the value error. This is because it detects the error on the name before
> > > it
> > > enters the branch for debugging the execution of the name. I'll put that
> > > on
> > > the bug list.
> > >
> > > Henry Rich
> > >
> > > On 9/29/2019 10:52 AM, Kirk Iverson wrote:
> > > > I've been giving 9.01 beta-k a bit of an exercise and have
> > > > come across the following:
> > > >
> > > > cocurrent 'loc'
> > > > dec=: [
> > > > isboxed=: 32=3!:0
> > > > enc=: 3 : ('1 enc y';':';'isboxed y')
> > > > cocurrent 'z'
> > > > test=: 0 1&enc_loc_ : enc_loc_ :. (1 1&dec_loc_ : dec_loc_)
> > > > testi=: test_z_^:_1
> > > > cocurrent 'base'
> > > > dbr 1
> > > > 0:&.testi ''
> > > > |system error
> > > > JVERSION
> > > > Engine: j901/j64/windows
> > > > Beta-k: commercial/2019-09-16T17:06:30
> > > > Library: 9.01.10
> > > > Platform: Win 64
> > > > Installer: J901 install
> > > > InstallPath: c:/users/kbi/j901
> > > > Contact: www.jsoftware.com
> > > >
> > > >
> > > > I have seen variants of the problem as I tried to isolate it, with
> > > > one symptom being a value error trying to find <isboxed> while <enc>
> > > > was running. In that case, the current locale wasn't <loc>, which it
> > > > had been in earlier versions of J. Having dbr 1 set also appears to
> > > > be a factor in getting the system error.
> > > >
> > > > /K
> > > > ----------------------------------------------------------------------
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