[developers] ACE crashing with ZHONG

[Luis Morgado da Costa]

Thanks Woodley,

That helped a lot. Everything is working as expected now. I had forgotten
to also inherit from:

constant-lex-rule := lex-rule &
 [ STEM #stem,
   DTR [ STEM #stem ]].

Cheers,
Luis



On Wed, May 6, 2020 at 2:25 PM Woodley Packard <sweaglesw at sweaglesw.org>
wrote:

> Hi Luis,
>
> I wasn't quite sure which ace/config.tdl to use in the Zhong tree, as
> there are several, but I guessed that maybe cmn/zhs/ace/config.tdl was a
> good place to start, and was able to reproduce the errors you found.  A
> little bit of hunting showed that this is a result of STEM containing
> unconstrained strings, and it looks like the culprit is the v_aux_ell-lr
> rule.  That rule fails to constrain the mother's STEM.FIRST value, and as a
> result, subsequent orthographemic rules (in this case, the abua-olr rule)
> can't tell what string they should be operating on.  Possibly v_aux_ell-lr
> should pass up the daughter's STEM value?
>
> I hope that helps,
> Woodley
>
> On May 5, 2020, at 9:09 PM, Luis Morgado da Costa <
> luis.passos.morgado at gmail.com> wrote:
>
>
> Dear Woodley (or anyone else who can help),
>
> Ace is crashing unexpectedly with at least two sentences in a large
> regression test for ZHONG:
> 能 不 能 借给 我 一 枝 笔 ？  (can-not-can lend me 1 CL pen?)
> 要 不 要 借 书 ？  (want-not-want borrow book?)
>
> Our suspicion is that the problem arises from the interaction of this
> V-not-V question form in Mandarin, and the fact that in these examples the
> verbs are auxiliaries.
> The same error does not happen, for example, for the sentence:
>
> 你 吃 不 吃 肉 ？ (you eat-not-eat mean?)
>
> We repeatedly get the same error for these (and similar) sentences:
> *ace: type.c:625: type_to_string: Assertion `ty->name[0]=='"'' failed.*
> *Aborted (core dumped)*
>
> =========================================================
> $ ./ace -g zhong.dat
> 能 不 能 借给 我 一 枝 笔 ？
> ace: type.c:625: type_to_string: Assertion `ty->name[0]=='"'' failed.
> Aborted (core dumped)
>
> ./ace -g zhong.dat
> 要 不 要 借 书 ？
> ace: type.c:625: type_to_string: Assertion `ty->name[0]=='"'' failed.
> Aborted (core dumped)
> ==========================================================
>
> This happens both in ACE 0.9.30 and 0.9.31; However, it does not happen
> with LKB FOS (we get parses for both sentences above, see below).
>
>
> <Screenshot from 2020-05-06 11-28-01.png>
>
> <Screenshot from 2020-05-06 11-30-49.png>
>
>
> Is there anything we might be missing? We would much appreciate if you
> could help us solve this.
>
> For testing, you might want to download the current (uncommitted) version
> of ZHONG:
> https://drive.google.com/open?id=1p7lPA06sD2v6Xq0qG0TslGF0x6n5uIqV
>
>
>
> Cheers,
> Luis
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.delph-in.net/archives/developers/attachments/20200506/95c1c243/attachment.html>