Re: [4.1] UCNs in identifiers

[Geoffrey Keating <geoffk at apple dot com>]

On 06/01/2005, at 10:08 PM, Neil Booth wrote:

> Geoffrey Keating wrote:-
>
> > This patch implements UCNs in identifiers, as in:
> >
> > char * \u00fc = "u-umlaut";
> >
> > int main(void)
> > {
> >   char * \u00fd = "y-acute";
> >
> >   if (\u00fd[0] != 'y' || \u00fc[0] != 'u')
> >     abort ();
> >   return 0;
> > }
> >
> > for Darwin.  (Actually, not quite, an assembler patch is needed; but
> > this is the compiler work.)
> >
> > I'd commit it right now, but am not quite sure what to do for other
> > ports.  Darwin works by saying that the input to the assembler is in
> > UTF-8.  For other ports, the choices are:
> >
> > (a) Send UTF-8
> > (b) Mangle the names somehow
> > (c) Refuse UCNs in identifiers on those ports
> >
> > At present, I'm leaning towards (c).  (b) is clearly not the right
> > thing, because it's imposing an ABI that might not be the right one.
> > (a) is also a possibility, it is certainly the least work.
> >
> > Any opinions?
>
> Spelling of tokens preserved?

That's a form of mangling, (b).

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