Hi Dave,

All the various stacktrace-prettifying libraries (clj-stacktrace, Aviso
pretty etc) all do this - check their code out for some examples.

Cheers,
Colin

On 23 August 2015 at 01:07, Dave Tenny <dave.te...@gmail.com> wrote:

> I wanted to write a function like this:
>
> (defn fn-name-info
>   "Given a function, try to deduce the function name and clojure namespace
> by looking
>   at the function's java class name and decoding stuff.  Return a vector
> of name, namespace strings,
>   or nil if we can't find anything.
>
>   For example, if in jdt.core we do (defn foo []), the resulting value foo
> is a thing whose class is
>   jdt.core$foo, for which we can return [\"jdt.core\" \"foo\"].
>
>   However, for anonymous functions like (fn []) typed into the REPL,
>   you're going to get something like [\"jdt.core\" \"eval3676$fn__3677\"]"
>   [f]
>   )
>
> Surely someone out there has a bit of code that knows how to decode
> classnames accounting for
> many of the weird edge cases, question marks (e.g. "QMARK"), and so on?
>
> Can anybody help me out?
>
> FYI, the next step I had planned for this was for me to reach take that fn
> information, look for the var that defines it, and yank out some metadata,
> when all I have is the function pointer, not the var.
>
> Tips appreciated.
>
> Yes, I know it's probably a bad idea for a couple of reasons, but feel
> free to point them out.
>
>
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