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RE: Font-lock misfontifies foo::bar in C++
From: |
Marshall, Simon |
Subject: |
RE: Font-lock misfontifies foo::bar in C++ |
Date: |
Wed, 6 Sep 2006 11:43:24 +0100 |
> "Marshall, Simon" <address@hidden> writes:
> > The only thing that could raise my hackles is that I feel I'm just
> > repeating myself. And this has been going on nearly 2 months. I
> > don't mind resolution taking that long---nobody is paid to do
> > this---it's the lack of progress on such a simple issue that is
frustrating.
>
> Well, while I agree with you that fontifying Foo:: as a type
> "makes more sense" from a pedantic point of view, than
> fontifying as a constant, I think most people don't really
> care much about such details of fontification as long as it
> "looks OK" (mostly meaning important syntax bits are visually
> distinctive but not annoying).
>
> With my face setup, the current fontification looks fine,
> indeed I never noticed this little inconsistency.
>
> Now that I think about it, in fact, I rather _like_ that
> Foo:: is not fontified as a type, because in a case like:
>
> void
> EnvmapLight::gen_samples (const Intersect &isec,
> SampleRayVec &samples) const
>
> I get visually distinct faces for "void", "EnvmapLight", and
> "gen_samples", which helps the readability of the code a bit I think.
I don't agree with this caveat. If something is an X, fontify it as an X
even if it is near something else that is an X. That way, whenever you see
something that is fontified as an X, you know it's an X without having to
thing about it. It's not about being pedantic, it's about following the
purpose of fontification.
Fontification isn't simply to use faces to de/emphasise things - it's also
there to provide visual cues to aid identification of conceptual items.
That's why we have faces with specific names (eg, font-lock-constant-face),
that are for specific concepts (eg, constants), that are applicable across a
wide range of languages, and that have particular properties (eg, are
distinct from other font-lock faces). The preamble to font-lock.el explains
these points. Ok, I wrote it so maybe I can't use it to bolster this point,
but the preamble does detail the rationale and list a small set of
guidelines (some of which are broken by sometimes fontifying a type, and
always fontifiying a namespace, as a constant).
But thanks for the response - sadly your's is the only one I got.
Simon.
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