[developers] ACE crashing with ZHONG

[Woodley Packard]

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 <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/20200505/186deaf4/attachment.html>