[swift-dev] Starter project: Remove old mirrors

[Slava Pestov]

Hi Jean-Pierre,


> On Dec 7, 2015, at 12:21 PM, Jean-Pierre Simard via swift-dev <swift-dev at swift.org> wrote:
> 
> > Note that I'm already working on this part. The Swift runtime needs to provide low-level reflection interfaces that allow the standard library to implement Mirror without depending on private runtime ABI.
> 
> That's great to hear! Is there any chance that this work could introduce type-level reflection APIs that would allow reflecting uninstantiated types? Or should I make a formal proposal for this functionality in swift-evolution?

There is a proposal for uninstantiated type metadata reflection in the GitHub repo in docs/proposals/RemoteMirrors.rst, but it might not cover your specific use-case. As Joe hinted, starting from concrete requirements is the best way forward here.

Slava

> 
> On Mon, Dec 7, 2015 at 9:01 AM, Joe Groff via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
> 
> > On Dec 6, 2015, at 2:20 AM, Dmitri Gribenko via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
> >
> > We need new runtime entry points that make sense for the new mirror
> > implementation.  The current entry points (the _reflect() function and
> > all its implementation details) directly depend on the old mirrors.
> > This step is slightly harder, but not doesn't require extraordinary
> > skills.  This part requires writing a proposal, because the runtime
> > API is going to be stable.
> 
> 
> Note that I'm already working on this part. The Swift runtime needs to provide low-level reflection interfaces that allow the standard library to implement Mirror without depending on private runtime ABI.
> 
> -Joe
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