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ob-clojure.el: Add a :backend header arg to clojure code blocks 

* ob-clojure.el (org-babel-header-args:clojure,
org-babel-execute:clojure): Add a :backend header arg that can
override the configured `org-babel-clojure-backend'.

TINYCHANGE
This commit is contained in:
Chris Clark 2022-10-08 05:41:20 -04:00 committed by Ihor Radchenko
parent e2d41c84e1
commit 4d07df718b
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GPG Key ID: 6470762A7DA11D8B
2 changed files with 40 additions and 23 deletions
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9
etc/ORG-NEWS
View File

@ -314,6 +314,15 @@ This provides a proper counterpart to ~org-babel-pre-tangle-hook~, as
per-tangle-destination. ~org-babel-tangle-finished-hook~ is just run
once after the post tangle hooks.
*** New =:backend= header argument for clojure code blocks
The =:backend= header argument on clojure code blocks can override the
value of ~org-babel-clojure-backend~. For example:
#+begin_src clojure :backend babashka
(range 2)
#+end_src
** New options
*** New custom settings =org-icalendar-scheduled-summary-prefix= and =org-icalendar-deadline-summary-prefix=

54
lisp/ob-clojure.el
View File

@ -68,7 +68,10 @@
(add-to-list 'org-babel-tangle-lang-exts '("clojurescript" . "cljs"))
(defvar org-babel-default-header-args:clojure '())
(defvar org-babel-header-args:clojure '((ns . :any) (package . :any)))
(defvar org-babel-header-args:clojure
'((ns . :any)
(package . :any)
(backend . ((inf-clojure cider slime babashka nbb)))))
(defvar org-babel-default-header-args:clojurescript '())
(defvar org-babel-header-args:clojurescript '((package . :any)))
@ -253,28 +256,33 @@
"")))
(defun org-babel-execute:clojure (body params)
"Execute a block of Clojure code with Babel."
(unless org-babel-clojure-backend
(user-error "You need to customize org-babel-clojure-backend"))
(let* ((expanded (org-babel-expand-body:clojure body params))
(result-params (cdr (assq :result-params params)))
result)
(setq result
(cond
((eq org-babel-clojure-backend 'inf-clojure)
(ob-clojure-eval-with-inf-clojure expanded params))
((eq org-babel-clojure-backend 'babashka)
(ob-clojure-eval-with-babashka ob-clojure-babashka-command expanded))
((eq org-babel-clojure-backend 'nbb)
(ob-clojure-eval-with-babashka ob-clojure-nbb-command expanded))
((eq org-babel-clojure-backend 'cider)
(ob-clojure-eval-with-cider expanded params))
((eq org-babel-clojure-backend 'slime)
(ob-clojure-eval-with-slime expanded params))))
(org-babel-result-cond result-params
result
(condition-case nil (org-babel-script-escape result)
(error result)))))
"Execute the BODY block of Clojure code with PARAMS using Babel."
(let* ((backend-override (cdr (assq :backend params)))
(org-babel-clojure-backend
(cond
(backend-override (intern backend-override))
(org-babel-clojure-backend org-babel-clojure-backend)
(t (user-error "You need to customize `org-babel-clojure-backend'
or set the `:backend' header argument")))))
(let* ((expanded (org-babel-expand-body:clojure body params))
(result-params (cdr (assq :result-params params)))
result)
(setq result
(cond
((eq org-babel-clojure-backend 'inf-clojure)
(ob-clojure-eval-with-inf-clojure expanded params))
((eq org-babel-clojure-backend 'babashka)
(ob-clojure-eval-with-babashka ob-clojure-babashka-command expanded))
((eq org-babel-clojure-backend 'nbb)
(ob-clojure-eval-with-babashka ob-clojure-nbb-command expanded))
((eq org-babel-clojure-backend 'cider)
(ob-clojure-eval-with-cider expanded params))
((eq org-babel-clojure-backend 'slime)
(ob-clojure-eval-with-slime expanded params))))
(org-babel-result-cond result-params
result
(condition-case nil (org-babel-script-escape result)
(error result))))))
(defun org-babel-execute:clojurescript (body params)
"Evaluate BODY with PARAMS as ClojureScript code."