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Re: Semantic predicates require space?
From: |
Akim Demaille |
Subject: |
Re: Semantic predicates require space? |
Date: |
Thu, 30 May 2013 14:17:50 +0200 |
Hi Paul,
I would like to release Bison soon, yet we do not have a single
test about %?. Do you have something somewhere?
Thanks!
Le 23 avr. 2013 à 10:29, Akim Demaille <address@hidden> a écrit :
>
> Le 5 mars 2013 à 09:10, Akim Demaille <address@hidden> a écrit :
>
>> Le 5 mars 2013 à 05:53, Paul Hilfinger <address@hidden> a écrit :
>>
>>> Akim,
>>>
>>> In commit 68ac70bc7bf365fa17bd6d7ea597fa0a05488b8d, in scan-gram.l, I
>>> see this change:
>>>
>>> - {directive} {
>>> + "%"{id}|"%"{notletter}([[:graph:]])+ {
>>> complain_at (*loc, _("invalid directive: %s"), quote (yytext));
>>> }
>>>
>>> This has the effect that one must write semantic expressions as
>>>
>>> %? { expression }
>>>
>>> rather than
>>>
>>> %?{ expression }
>>>
>>> Was this intentional?
>>
>> hi Paul,
>>
>> Sorry, no, that was not expected. I guess I did not see %?,
>> which is farther in the file.
>
> Hi Paul,
>
> I was about to work on this, but then I realized there is not
> a single test for %?, unless I missed something. Given that the
> feature is advertised for the next release, I feel uncomfortable.
> Do you have test cases that you could add to the test suite?
> Thanks in advance!
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