Re: map function definitions to org src blocks?

[John Kitchin <jkitchin@andrew.cmu.edu>]

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It looks like it is possible to get describe-func to point to an org-file.
Suppose I have a file /Users/jkitchin/vc/journal/2018/11/09/2018-11-09.org
that has src blocks that tangle to
/Users/jkitchin/vc/journal/2018/11/09/test.el. When test.el is loaded, it
adds a bunch of stuff to the variable load-history that describe-function
can use to get information. For example:

#+BEGIN_SRC emacs-lisp
(assoc "/Users/jkitchin/vc/journal/2018/11/09/test.el" load-history)
#+END_SRC

#+RESULTS:
: (/Users/jkitchin/vc/journal/2018/11/09/test.el (defun . some-func))

One solution is to just change the file name in load-history like this.

#+BEGIN_SRC emacs-lisp
(setf (car (assoc "/Users/jkitchin/vc/journal/2018/11/09/test.el"
load-history)) "/Users/jkitchin/vc/journal/2018/11/09/2018-11-09.org")
#+END_SRC
John

Something like this could be handled in an :after advice for example.

This is only lightly tested... I don't know if it has other implications.

-----------------------------------
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu



On Thu, Nov 8, 2018 at 10:22 PM Matt Price <moptop99@gmail.com> wrote:

> THanks John. I guess I should always just start my search for "something
> cool I saw" in scimax...
>
> Yes, thisis pretty great. I havebeen using ~helpful~ which hasa nice
> interface for some extra functions, but these functions do most of what I
> felt was missing.
>
> On Thu, Nov 8, 2018 at 6:02 PM John Kitchin <jkitchin@andrew.cmu.edu>
> wrote:
>
>> I wrote something kind of like this at
>>
>> https://github.com/jkitchin/scimax/blob/master/scimax-literate-programming.el
>>
>>
>> It might solve a different problem related to navigating code embedded in
>> org files.
>>
>> I don't think it works on describe-function. That would be an interesting
>> addition perhaps. I guess though that describe-function would go to the
>> elisp code. I never figured out how to get links in the tangled code to
>> jump back to the org file though.
>>
>> On Thu, Nov 8, 2018 at 5:39 PM Matt Price <moptop99@gmail.com> wrote:
>>
>>> I feel like I saw someone do this but can't find it in my notes. When
>>> tangling code to elisp, is it possible to point ~describe-function~ to the
>>> original org-mode source (or at least the src block) as the "source code"
>>> for the function, rather than the resultant .e file produced by
>>> org-babel-tangle? Seems like this would make a whole lot of things
>>> significantly easier when writing emacs inits, for instnace.
>>>
>> --
>> John
>>
>> -----------------------------------
>> Professor John Kitchin
>> Doherty Hall A207F
>> Department of Chemical Engineering
>> Carnegie Mellon University
>> Pittsburgh, PA 15213
>> 412-268-7803
>> @johnkitchin
>> http://kitchingroup.cheme.cmu.edu
>>
>>

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