···<date: 2013-05-12, Sunday>···<from: Hans Hagen>···
> On 5/12/2013 9:19 PM, Philipp Gesang wrote:
> >Hi,
> >
> >in luatex-plain, the example below
> >
> > \font\grk="file:LinLibertine_R.otf:+mark;+mkmk;mode=node" at 14.4pt
> > {\grk
> > μῆνιν ἄειδε θεὰ Πηληϊάδεω Ἀχιλῆος\hfill\break
> > οὐλομένην, ἣ μυρί' Ἀχαιοῖς ἄλγε' ἔθηκε}
> > \bye
> >
> >triggers a call to onetimemessage() which is nil at the time when
> >the upvalue is created. Can we have calls to
> >fonts.loggers.onetimemessage() instead, so we can override that
> >one with our own logger?
>
> hm, don't assume that all that logging will be exposed forever in a
> generic way; a lot is for specific tracing only and i more or less
> assume that for problematic issues one will use context as benchmark
> anyway (in fact, I've even been thinking of a stripped down generic
> variant i.e. no unneccessary more context and dev related overhead
> (leaner and meaner) which is possible once we're stable.
Sounds good. As most of the tracing code follows a clear pattern
it might even be possible to recognize and drop it during the
merge.
> So it's more convenient if I just uncommented the trace-bugs
>
> elseif trace_bugs then
>
> which means that the message will not be called outside context at all.
Fine with me.
> >On a related note, we would like to reduce verbosity. In
> >luatex-basics-gen.lua, could we have:
> >
> >logs = logs or {
> > new=dummyreporter,
> > reporter=dummyreporter,
> > messenger=dummyreporter,
> > report=dummyfunction,
> >}
> >
> >So we can provide our own “logs” table?
>
> That needs thinking, as i cannot guarantee that logging will stay
> the same for those modules; a wrapper might be more stable, so for
> the moment I'll define this:
>
> local dummyreporter = function(c)
> return function(...)
> (texio.reporter or texio.write_nl)(c .. " : " ..
> string.formatters(...))
> end
> end
>
> so, you can define texio.reporter which is not defined by default.
Fine with me.
> (The namespaces are somewhat protected so i cannot oversee now what
> messing with logs will bring in terms of side effects.)
Absolutely.
Thanks a lot
Philipp
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