<div dir="ltr">Thanks for sharing that, Slava! Reading that really helped me gain a better understanding of how the current reflection model works and how it could be extended.<div><br></div><div>Although my intended use cases are more for in-process type-level reflection akin to objc_copyClassList and class_copyPropertyList.</div><div><br></div><div>In any case, swift-dev isn't the best place to discuss this, so I'll synthesize my thoughts into a swift-evolution proposal shortly.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 7, 2015 at 11:51 PM, Slava Pestov <span dir="ltr"><<a href="mailto:spestov@apple.com" target="_blank">spestov@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi Jean-Pierre,<div><br></div><div><br><div><span class=""><blockquote type="cite"><div>On Dec 7, 2015, at 12:21 PM, Jean-Pierre Simard via swift-dev <<a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a>> wrote:</div><br><div><div dir="ltr">> 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.<div><br></div><div>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?</div></div></div></blockquote><div><br></div></span>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.</div><div><br></div><div>Slava</div><div><br><blockquote type="cite"><div><span class=""><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 7, 2015 at 9:01 AM, Joe Groff via swift-dev <span dir="ltr"><<a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span><br>
> On Dec 6, 2015, at 2:20 AM, Dmitri Gribenko via swift-dev <<a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a>> wrote:<br>
><br>
> We need new runtime entry points that make sense for the new mirror<br>
> implementation. The current entry points (the _reflect() function and<br>
> all its implementation details) directly depend on the old mirrors.<br>
> This step is slightly harder, but not doesn't require extraordinary<br>
> skills. This part requires writing a proposal, because the runtime<br>
> API is going to be stable.<br>
<br>
<br>
</span>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.<br>
<br>
-Joe<br>
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