Found it, apparently it's

debug-repl => swank-clojure => CDT => ritz

It appears cider does not yet support this, so ritz is probably the "most
powerful" at the moment.


On Fri, Jan 24, 2014 at 3:39 AM, t x <txrev...@gmail.com> wrote:

> Hi,
>
>   One thing I miss from pre-Clojure scheme days is as follows:
>
> ## What I want
>
> 1 => (foo) ;; I'm calling foo at the repl
> ... foo executes ...
> ... at some point, an exception is thrown ...
>
> 2 => my interpreter _starts a new repl_
>   * at the point where the exception was thrown
>   * lets me examine local environment variables
>   * lets me execute commands
>   * lets me "resume" the execution
>
>
> ## Why "it can't work"
>
> Now, I understand why this can not work in general in Clojure, i.e. the
> following example:
>
> (defn foo []
>   (.someJavaFunctionThatThrowsException object))
>
> In this case, the above is impossible since the exception is thrown from
> _java land_ rather than Clojure land.
>
>
> ## Why it might work
>
> Now, I'm not writing any code in java. The work I'm doing is pure clojure.
> I can throw when the exception is thrown.
>
>
> Is there some library, where instead of doing
>
> (defn foo []
>   ...
>   (throw (ex-data ...))
>   ...)
>
> I instead do:
>
> (defn foo []
>   ...
>   (something-went-wrong-please-fire-up-a-repl)
>   ...)
>
> ?
>
> Thanks!
>

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