From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Attributes
Date: Wed, 23 Apr 2014 19:08:57 +0200 [thread overview]
Message-ID: <5357F3A9.7060609@wxs.nl> (raw)
In-Reply-To: <alpine.LNX.2.00.1404231458410.19528@zbox.seix>
On 4/23/2014 3:07 PM, Stéphane Goujet wrote:
>
>
> On Wed, 23 Apr 2014, Hans Hagen wrote:
>
>> On 4/22/2014 8:10 PM, Stéphane Goujet wrote:
>>> Please have a look at my example (it is a bit long because it shows
>>> various possibilities) and its result.
>>> When I have not yet done a \defineattribute[myattr],
>>> node.has_attribute
>>> returns 0 when I thought it should return nil.
>>> When I do \defineattribute[...], every attribute seems to get the
>>> same number (1024), but now node.has_attribute returns nil ...
>>
>> change this is syst-ini.mkiv:
>>
>> \normalprotected\def\newattribute{\syst_basics_allocate\c_syst_last_allocated_attribute\attribute\attributedef\c_syst_max_allocated_register}
>>
>
> Thank you, it seems to work much better !
>
> There is still the problem that "node.has_attribute" does not return
> "nil" when I expect it should, but that is luatex problem (a check that
> a parameter is really an integer should be performed before calling
> lua_tointeger), so I will change mailing-list in order to report it.
that interface is unlikely to change (e.g. because of performance
reasons) ... you'd better check at your end
btw, you can try: mynode[123] which is more efficient
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next prev parent reply other threads:[~2014-04-23 17:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-20 13:14 Attributes Stéphane Goujet
2014-04-22 12:05 ` Attributes Hans Hagen
2014-04-22 18:10 ` Attributes Stéphane Goujet
2014-04-23 9:00 ` Attributes Hans Hagen
2014-04-23 13:07 ` Attributes Stéphane Goujet
2014-04-23 17:08 ` Hans Hagen [this message]
2014-04-23 23:39 ` Attributes Stéphane Goujet
2014-04-24 8:00 ` Attributes Hans Hagen
2014-04-24 11:58 ` Attributes Stéphane Goujet
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