On Wed, Mar 15, 2023 at 11:00:19AM +0000, Philip Herron via Gcc wrote:
> Excellent work on getting up to speed on the rust front-end. From my
> perspective I am interested to see what the wider GCC community thinks
> about using https://www.gnu.org/software/libunistring/ library within GCC
> instead of rolling our own, this means it will be another dependency on GCC.
>
> The other option is there is already code in the other front-ends to do
> this so in the worst case it should be possible to extract something out of
> them and possibly make this a shared piece of functionality which we can
> mentor you through.
I don't know what exactly Rust FE needs in this area, but e.g. libcpp
already handles whatever C/C++ need from Unicode support POV and can handle
it without any extra libraries.
So, if we could avoid the extra dependency, it would be certainly better,
unless you really need massive amounts of code from those libraries.
libcpp already e.g. provides mapping of unicode character names to code
points, determining which unicode characters can appear at the start or
in the middle of identifiers, etc.
Jakub
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