This seems like the right approach, but something is odd about the
namespacing. Details:
0) using vim-fireplace
1) I jump into honeysql-0.4.2.jar::honeysql/format.clj
2) edit the format fn to always return "foo", and eval the new fn definition
3) Eval (format {:select [5]}) in the format.clj split, get "foo". Great.
4) In my app core.clj split, eval (hsql/format {:select [5]}), get "SELECT
5"
So, in my app.core namespace, the hsql/format fn is unchanged.
Ugh.... I think I just found part of the problem. If I invoke
honeysql.format/format, I get the new version. honeysql core is doing
(defalias format format/format)
where defalias is some macro that calls (intern *ns* ...). I think honeysql
is explicitly caching the old definition of the function. :-p
And, yes, indeed, if I reload honeysql core, the format fn is updated. That
hurts. Not sure why honeysql needs to cache function references like this.
On Thursday, March 27, 2014 11:52:36 AM UTC-7, Moritz Ulrich wrote:
>
> Checking out a project your project depend on, finding the right
> version, etc. is quite cumbersome.
>
> With Emacs/nrepl, you can just press M-. over any function to jump to
> the definition, even when it's inside a jar.
> You can also edit and reload it (via C-c C-c). I don't think you can
> save it, but that isn't necessary to reload the function/namespace.
> Cider can re-evaluate a whole buffer or region in the buffer without
> the need to save it.
>
> On Thu, Mar 27, 2014 at 7:49 PM, Michael Blume
> <[email protected]<javascript:>>
> wrote:
> > Don't worry about the jar, especially. You can have your own git
> checkout of
> > the upstream project you're working with, and that'll work just fine.
> Open a
> > source file you need to work with, connect with nrepl, edit a function,
> and
> > eval -- that should be enough.
> >
> >
> > On Thursday, March 27, 2014 11:43:19 AM UTC-7, Brian Craft wrote:
> >>
> >> Describing my debug workflow woes at clojure/west, it was suggested to
> me
> >> that I could jump into the jar file for a library and add print
> statements
> >> to elucidate its inner workings. I guess this is supported in emacs?
> Jump
> >> into the library source jar, edit, reload into the repl? How does this
> work,
> >> exactly? Does it rewrite the zip file and load that to the repl, or
> just
> >> update the repl from the working buffer?
> >>
> >> I just tried this in vim-fireplace, but it threw an error on writing to
> >> the jar buffer. Alternatively, perhaps I should eval it w/o trying to
> save
> >> the jar. That works so long as I then only evaluate expressions from
> the
> >> same namespace. In other namespaces, the edits are not apparent. It's
> like
> >> there are two versions of the namespace active in the repl. Not sure
> what's
> >> going on, or how to make other namespaces aware of the changes.
> >
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