Le 26 mai 09 à 22:55, Alessio Stalla <alessiosta...@gmail.com> a
écrit :
> Sorry, I sent this directly to Kenny instead of to the mailing list.
>
> Alessio
>
> ---------- Forwarded message ----------
> From: Alessio Stalla <alessiosta...@gmail.com>
> Date: Tue, May 26, 2009 at 10:53 PM
> Subject: Re: [cells-devel] Cells on ABCL
> To: Kenneth Tilton <kentil...@gmail.com>
>
>
> On Tue, May 26, 2009 at 2:17 PM, Kenneth Tilton
> <kentil...@gmail.com> wrote:
>> Does ABCL provide a backtrace that might show in which function the
>> error
>> originates?
>
> abcl's backtrace does not seem very useful:
>
> [1] CL-USER(8): :bt
> 0: (BACKTRACE-AS-LIST)
> 1: (INVOKE-DEBUGGER #<TYPE-ERROR {7F84C9}>)
> 2: (CELLS::CV-TEST-PERSON-3)
> 3: (CELLS::CV-TEST-PERSON)
> 4: (FUNCALL CELLS::CV-TEST-PERSON)
> 5: (SYSTEM::%TIME #<FUNCTION (LAMBDA ()) {1E6DBAA}>)
> 6: (CELLS::TEST-CELLS)
> 7: (SYSTEM::%EVAL (CELLS::TEST-CELLS))
>
>> Also: IIRC, ct-assert says what it is doing as it goes. So how far
>> are you
>> getting? If I am wrong on that, just add some print statements so
>> we can
>> narrow it down.
>
> This is what it prints before it fails:
>
> (CELLS::ATTEMPTING (EQL 1 (LENGTH (CELLS::CD-USEDS
> (CELLS::MD-SLOT-CELL CELLS::P (QUOTE CELLS::THOUGHT)))))) 0> output
> thought #<cells::person {15eb44d}> "speedy, slow down!"0> i am
> thinking "speedy, slow down!"
> (CELLS::ATTEMPTING (EQL 2 (LENGTH (CELLS::CD-USEDS
> (CELLS::MD-SLOT-CELL CELLS::P (QUOTE CELLS::THOUGHT)))))) 0> output
> thought #<cells::person {15eb44d}> "nice and easy does it"0> i am
> thinking "nice and easy does it"
> (CELLS::ATTEMPTING (EQL 1 (LENGTH (CELLS::CD-USEDS
> (CELLS::MD-SLOT-CELL CELLS::P (QUOTE CELLS::THOUGHT))))))
> Debugger invoked on condition of type TYPE-ERROR:
> The value NIL is not of type STRUCTURE-OBJECT.
>
> Probably it's an abcl bug (I've seen other times bugs that were
> apparent in the form of "NIL is not of type X"). In the next few days
> I'll be at the ELS, so I won't have much time to spend on the subject,
> but asap I'll try to debug it.
I'll be there too. If you have it on a laptop I could take a look at
it while we're there.
> Bye,
> Alessio
>
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