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Re: [SG16] On the character encoding of diagnostic text

From: Alisdair Meredith <alisdairm_at_[hidden]>
Date: Tue, 1 Sep 2020 16:07:39 -0400
Remember, after phase 1 all of those string literals /are/ encoded directly in the basic source character set. The question is whether we expect implementations to reverse those UCN encodings when displaying/interpreting those strings?

AlisdairM

Sent from my iPhone

> On Sep 1, 2020, at 14:14, Aaron Ballman via SG16 <sg16_at_[hidden]> wrote:
>
> ´╗┐On Tue, Sep 1, 2020 at 1:16 PM Martinho Fernandes via SG16
> <sg16_at_[hidden]> wrote:
>>
>>
>>> On Tue, Sep 1, 2020 at 7:05 PM Aaron Ballman via SG16 <sg16_at_[hidden]> wrote:
>>>
>>> On Tue, Sep 1, 2020 at 12:08 PM Alisdair Meredith via SG16
>>> <sg16_at_[hidden]> wrote:
>>>>
>>>> For a cross compiler, the basic execution character set should correspond to the target platform, but the diagnostics character set should be for the host?
>>>
>>> That matches my understanding.
>>>
>>> I suppose a question I could add is whether anyone would like to see a
>>> new character set introduced for diagnostics. My intuition is that it
>>> would be a pretty heavy hammer to bring to bear and that the basic
>>> source character set is probably Good Enough (tm).
>>>
>>
>> Wouldn't these diagnostics be the place people are more likely to use non-basic source characters, though? When it comes to identifiers people will sometimes compromise and restrict themselves and e.g. avoid diacritics, but in error messages I feel like it makes a lot more sense to want to write with the full expression of their native script.
>
> I think that's likely a valid point, but I'm struggling to find any
> data that I can point to in the paper. I don't suppose you (or anyone
> in SG16) have insights into how often this comes up in practice? e.g.,
> does someone have evidence that this comes up enough to warrant making
> a diagnostic character set? Does anyone think that would be a worse
> approach than limiting to the basic source character set?
>
> Thanks!
>
> ~Aaron
>
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Received on 2020-09-01 15:11:09