[fpc-devel] Re: Class field reordering

Florian Klämpfl florian at freepascal.org
Sat Jul 21 20:31:19 CEST 2012

Am 21.07.2012 18:48, schrieb Martin:
> On 21/07/2012 16:55, Ivanko B wrote:
>> The problem now is that cracker classes can't be used in future anymore
>>   because of the new class field ordering optimisation, so I dared to
>> ask.
> ....
>> So, is it possible to design the new feature in such way that to have
>> an option to proceed using cracker classes ?
> But the whole discussion comes down to one other simple question.
> Including the above, the whole discussion is about:
>    Should FPC provide a way to access private fields from any other code?

I don't see cracker classes as valid code. If it works, fine, but it is
subject to break. The layout of classes is simply opaque else we open a
whole can of worms: like fixed vmt layout or whatever.

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