[Geany-devel] sciwrappers.h not compilable ?
ban-ubuntu at xxxxx
Sun Aug 16 21:14:19 UTC 2009
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Enrico Tröger wrote:
> On Sun, 16 Aug 2009 22:08:00 +0200, Colomban wrote:
>> Just for my self curiousity about including order: why does it is
>> I'm a partisan of the "include all you need, but no more" style,
>> meaning that if I use a symbol, I have to include what defines it.
>> e.g. for sciwrappers.h, I would include glib.h as it uses GLib types
>> and define or include something that defines PLAT_GTK. I don't see any
> You want to define things in your code again just to not include a
> header file?
No, but include the header defining them rather than needing the user
to do so.
> Single header includes are generally more easy and pretty common.
> E.g. GTK and GLib do require them since some time.
> In case of Geany, the overhead which raises by including a bit more
> than strictly necessary is really really small compared what overhead
> GTK brings in and so I really don't see any real reason. At least, IMO,
> the advantages for maintainers and plugin authors are much bigger.
I think I've been misunderstood quite a bit, sorry.
No, I'm not against single-header policy, even if I think is cleaner
to include only what I need when possible, but for a library (like
GTK+), for sure I see the point of one single global header including
What I'm against, and what I don't understand, is "missing" includes
in headers. I think it is a bit cleaner, easier and less error prone
to have each header to be self-sufficient in regard of the including
code, i.e. if sciwrappers.h needs geany.h, I think sciwrappers.h
should include geany.h itself rather than needing to be included
before by the including code.
In other words, when I include a header, I care about functionalities
it provides (declares), and I won't care about how it is implemented
(then what it needs). For example, if I would use foo, I include
foo.h, and I wouldn't have to care that the the public Foo structure
have a member of the Bar type (defined in bar.h) that I don't use.
Hum, I think I should have said "include all you need" without the
"but no more" that was only here to say that I wouldn't include
*directly* (no care about it is included by what I include) headers I
But yes, single headers fixes this problem since they include all what
it is needed, but I sill think each header should include all what it
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