[swift-dev] CSGen/LinkedExprAnalyzer questions

Jacob Bandes-Storch jtbandes at gmail.com
Sat Dec 31 16:12:46 CST 2016

On Sat, Dec 31, 2016 at 1:55 PM, Robert Widmann <devteam.codafi at gmail.com>

> As for why this works with non-chained binops no simplification occurs in
> that case because, well, there’s no chain here.  The solver walks each part
> in turn instead.

What do you mean by this? The LinkedExprAnalyzer is still used in the "x! +
x!" case. Maybe I just haven't followed the execution quite far enough to
see why the current behavior doesn't cause problems.

> The walker is, I think, appropriate.  It is a very domain-specific
> optimization that doesn’t quite know about its entire domain yet.  However,
> I don’t think anyone would be opposed to a little meta-programming with an
> ASTVisitor to refactor it into a more manageable form.
> ~Robert Widmann
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