* Exploring picolisp
@ 2018-02-26 1:29 Lawrence Bottorff
2018-03-03 14:34 ` Thorsten Jolitz
0 siblings, 1 reply; 2+ messages in thread
From: Lawrence Bottorff @ 2018-02-26 1:29 UTC (permalink / raw)
To: emacs-orgmode Mailinglist
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I'm looking at picolisp -- and wondering how it works, or better, why it
doesn't really work work with babel. First problem, I couldn't get any form
of picolisp to work in Emacs -- until I stopped starting Emacs with
emacsclient -c -a ''
which sets up my daemon first. Got abstruse error -- and it creates a file
called `editor-orig` in `~/.pil` which blocks any further attempts. After
tearing stuff out of my init diaspora for hours, I finally found that a
straight
>emacs &
made picolisp-mode work, otherwise, not. Very weird. But then I see this
<https://github.com/tj64/ob-picolisp> and, yes, picolisp babel seems to
work for all the examples. However, a regular function declaration
#+name: hello
#+begin_src picolisp
(de hello (X)
(prinl "Hello " X) )
#+end_src
-- goes nowhere. But then C-c C-c in a picolisp code block isn't firing up
a REPL, so where can it go? Nowhere. Lisp, Scheme & Cie. all require a
running REPL that org-mode knows about. And if I just bring up
picolisp-mode with a picolisp file and fire up a REPL, that REPL doesn't
know anything about my org-mode picolisp code blocks.
I don't mean to complain or sound negative, but picolisp as is can't really
be included as a babel language, can it? Maybe it worked once, but doesn't
now?
LB
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Exploring picolisp
2018-02-26 1:29 Exploring picolisp Lawrence Bottorff
@ 2018-03-03 14:34 ` Thorsten Jolitz
0 siblings, 0 replies; 2+ messages in thread
From: Thorsten Jolitz @ 2018-03-03 14:34 UTC (permalink / raw)
To: emacs-orgmode
Lawrence Bottorff <borgauf@gmail.com> writes:
Hi Lawrence,
> I'm looking at picolisp -- and wondering how it works, or better, why it
> doesn't really work work with babel. First problem, I couldn't get any
> form of picolisp to work in Emacs -- until I stopped starting Emacs with
> [...]
> I don't mean to complain or sound negative, but picolisp as is can't
> really be included as a babel language, can it? Maybe it worked once,
> but doesn't now?
sometimes the bug actually sits in front of the computer, as we all know
;-)
Apparently you are not aware of the 'session' concept of org source
blocks (please refer to the org manual).
This is nothing specific to ob-picolisp, but holds for all ob languages
that do allow for sessions:
,----
| * Picolisp scr-block test
|
| #+BEGIN_SRC picolisp :session pil1
| (setq X1 (+ 3 4))
| #+END_SRC
|
| #+results:
| : 7
|
|
| #+BEGIN_SRC picolisp :session pil1
| (setq X2 (+ X1 1))
| #+END_SRC
|
| #+results:
| : 8
|
|
| #+BEGIN_SRC picolisp :session pil1
| (de foo1 (X) (+ X 2))
| #+END_SRC
|
| #+results:
| : foo1
|
| #+BEGIN_SRC picolisp :session pil1 :results raw
| (setq X3 (foo1 8))
| #+END_SRC
|
| #+results:
| 10
`----
And, with a session, you do have a related interactive repl buffer in
Emacs called "pil1", thats reflects all evaluations of the code blocks
in the org file, and allows for user input just like the PicoLisp repl:
,----
| (setq X1 (+ 3 4))
| 'org-babel-picolisp-eoe
| : -> 7
| : -> org-babel-picolisp-eoe
| : (setq X2 (+ X1 1))
| 'org-babel-picolisp-eoe
| -> 8
| : -> org-babel-picolisp-eoe
| : (de foo1 (X) (+ X 2))
| 'org-babel-picolisp-eoe
| -> foo1
| : -> org-babel-picolisp-eoe
| : (setq X3 (foo1 8))
| 'org-babel-picolisp-eoe
| -> 10
| : -> org-babel-picolisp-eoe
| :
`----
Hope that helps
--
cheers,
Thorsten
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