Object.factory() and exe file size bloat

[Johannes Pfau via Digitalmars-d]

Am Fri, 21 Aug 2015 11:03:00 +0000
schrieb "Mike" <none at none.com>:

> On Friday, 21 August 2015 at 08:11:37 UTC, Kagamin wrote:
> > On Friday, 21 August 2015 at 06:00:44 UTC, Mike wrote:
> >> Disabling TypeInfo forces one to compromise on slicing, 
> >> postblit
> >
> > Why slicing and postblit would need typeinfo?
> 
> See below for the source code.  Some obvious, some not.
> 
> * dynamic cast - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-83bcb64558f947e39f87d7435709dfe7R364
> * array literal - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-bed7d2226948b1e098749985d7a60633R2353
> * postblit - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-1f51c84492753de4c1863d02e24318bbR918
> * destructor - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-1f51c84492753de4c1863d02e24318bbR1039,
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-867588d7078efd0364c256152fb5a2e7R2053
> * new - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-5960d486a42197785b9eee4ba95c6b95R5091
> * AAs - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-5960d486a42197785b9eee4ba95c6b95R10710
> * slicing - 
> https://github.com/D-Programming-GDC/GDC/pull/100/files?diff=unified#diff-5960d486a42197785b9eee4ba95c6b95R11857
> 
> etc...
> 
> Disabling TypeInfo requires quite a compromise on D's features.  
> I want TypeInfo, I just don't want dead code.
> 
> Mike
> 
> 

It's been some time since I looked at this so I don't remember exactly
how severe these limitations are. However, it should be noted that not
all 'array literals', ... need TypeInfo, only a subset of them does.
Some are fixable others (dynamic downcast) probably not.