D to C compiler?

[Bill Baxter]

On Mon, Jan 26, 2009 at 5:01 AM, Jarrett Billingsley
<jarrett.billingsley at gmail.com> wrote:
> On Sun, Jan 25, 2009 at 2:11 PM, dsimcha <dsimcha at yahoo.com> wrote:
>> == Quote from Nick Sabalausky (a at a.a)'s article
>>> - Like Denis said, I've heard LLVM is supposed to have a plain-C backend,
>>> but I don't know how far along that is or if it's working with LDC (and from
>>> what I hear, even LDC itself isn't quite production-ready just yet, but it
>>> is movng along quickly).
>>
>> This is true.  I've played around w/ this C back end w/ some toy programs and and
>> it works reasonably well, but I forgot about it.  At any rate, could this be used
>> as a temporary kludge to get LDC "working" on unsupported platforms like Windows
>> until it works natively?  Basically, LDC for Windows and other unsupported
>> platforms would compile the D code to C, and then compile the C code w/ the native
>> C compiler for the platform.
>
> The problem with LDC on Windows is not that LLVM doesn't have a
> backend for Windows; it does.  It's just that LLVM doesn't yet support
> Windows exception handling.  Using the C backend wouldn't help there.

I would think a C backend would be converting exceptions into portable
setjmp/longjmp.  That's the only way to emulate exceptions in C as far
as I know.  Not so?

--bb