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Subject: Re: [Qemu-devel] QOM: why "klass" used instead of "class" ?
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To: =?UTF-8?B?6Zmz6Z+L5Lu7?= <chenwj@iis.sinica.edu.tw>
Cc: Michael Tokarev <mjt@tls.msk.ru>, qemu-devel@nongnu.org, Evgeny Voevodin <e.voevodin@samsung.com>, Dmitry Solodkiy <d.solodkiy@samsung.com>

Am 29.02.2012 10:05, schrieb =E9=99=B3=E9=9F=8B=E4=BB=BB:
> On Wed, Feb 29, 2012 at 10:59:54AM +0400, Michael Tokarev wrote:
>> On 29.02.2012 09:52, Evgeny Voevodin wrote:
>>> include/qemu/object.h:
>> []
>>>  * void my_device_class_init(ObjectClass *klass, void *class_data)
>>>  * {
>>>  *     DeviceClass *dc =3D DEVICE_CLASS(klass);
>>>  *     dc->reset =3D my_device_reset;
>>>  * }
>>>  *
>>>
>>> Why to use "klass", not "class"?
>>
>> Because in C++, "class" is a reserved word.  It is quite typical idiom
>> to replace class with klass in (public) headers.
>=20
>   I thought QEMU is written in C, right? Is there anything related to C=
++?

A while back there was a patch that added a C++ audio backend, for
instance. I didn't get around to cleaning the patch up yet though.

Objective-C is used for the Cocoa frontend.

At least our headers should work with such C-derived languages.

clazz is another common alternative if you don't like klass. ;)

Andreas

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