[swift-dev] Question about demangling

[Erik Eckstein]

> On Jul 25, 2017, at 4:44 PM, Ethan Arbuckle via swift-dev <swift-dev at swift.org> wrote:
> 
> The Swift runtime exports a function to demangle Swift symbols, swift_demangle. See source: https://github.com/apple/swift/blob/32d15d8539c43ff26b599f7c4a08a79a10d4bf98/stdlib/public/runtime/Reflection.mm#L1200 <https://github.com/apple/swift/blob/32d15d8539c43ff26b599f7c4a08a79a10d4bf98/stdlib/public/runtime/Reflection.mm#L1200>.
> This function uses the default mangling options, as defined by `Demangle::DemangleOptions()`.
> I also see there is an argument called `flags`, which I believe eventually will allow demangling options to be changed. However, this is not yet implemented. 
> The format for the demangled symbols with I would like it, ideally, “Module.Class.Method”. The default options include a variety of other things, including argument count and types. What is my best approach for getting these desired demangling options? 

I think the best way is to define and implement the flags for swift_demangle.

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