Subject: Re: [SG16-Unicode] It???s Time to Stop Adding New Features for Non-Unicode Execution Encodings in C++
Date: 2019-04-27 08:02:57
On Sat, Apr 27, 2019 at 12:44:00PM +0000, Lyberta wrote:
> R. Martinho Fernandes:
> >> In my Overton Window herbceptions are already in the standard and
> >> everybody is happy about their performance. Wishful thinking, I know.
> >> But we'll see.
> > I think there is a consideration against defaulting to exceptions where none of this stuff matters because it's a fundamental problem agnostic of any implementation: defaulting to exceptions on things that are likely to deal with external input is defaulting to the creation of denial-of-service vulnerabilities.
> How is it denial-of-service if herbceptions are not worse than error
> codes in any way?
> > well, I am much against leaving the principle of character set
> neutrality in c++,
> > and I am working to enhance cheracter set features in a pan-character
> set way, including some
> > stuff for unicode compability, just like much of the unicode works
> were to be compatible with posix/c
> > and other iso i18n features. Doing unicode only stuff that could
> easily be extended to other
> > character sets would be against the spirit of c++ imho.
> > keld
> I had this idea but Unicode means code units, code points, scalar
> values, grapheme clusters... It's already really hard to implement by
> itself, how are we gonna abstract all of this to other character sets?
use the posix/c/sc2 model of abstract characters that has been the model in iso for many
years and is also the model in the internet. no big deal. unicode is just a number of
harsets , utf8, utf16 utf32 etc.
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