[cfe-dev] CABI project

[John McCall]

On Oct 16, 2012, at 12:11 PM, Dave Abrahams wrote:
> on Tue Oct 16 2012, John McCall <rjmccall-AT-apple.com> wrote:
>> On Oct 16, 2012, at 11:45 AM, Dave Abrahams wrote:
>>> I'm working on a project to separate from Clang all the logic necessary
>>> to generate C/C++/ObjC-ABI-compatible code so that other front-ends,
>>> both C family (e.g. Dragonegg, and in BoostPro's case, EDG) and other
>>> languages/code generators, can interoperate with C family code.
>> 
>> So, specifically, this would be some sort of API where you give it a C
>> function type and it tells you how to pass those arguments in LLVM IR?
> 
> Oh, way more than that.  It has to deal with exception-handling, object
> layout, vtable layout, yada yada... and probably a few
> ObjectiveC-specific things I don't know about (not being versed in
> ObjC).

Oh, uh, that's an enormous project.  In what way, precisely, is this not
a proposal to reinvent all of IR-generation as another level of abstraction?

John.