45 lines
1.9 KiB
EmacsLisp
45 lines
1.9 KiB
EmacsLisp
;;; lang/org/+babel.el -*- lexical-binding: t; -*-
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(add-hook 'org-load-hook #'+org|init-babel)
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(defvar +org-babel-mode-alist
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'(("cpp" . C)
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("C++" . C)
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("D" . C)
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("matlab" . octave))
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"An alist that maps languages to babel libraries. This is necessary for babel
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libraries (ob-*.el) that don't match the name of the language.")
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(defun +org|init-babel ()
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(setq org-src-fontify-natively t ; make code pretty
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org-src-preserve-indentation t ; use native major-mode indentation
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org-src-tab-acts-natively t
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org-src-window-setup 'current-window
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org-confirm-babel-evaluate nil) ; you don't need my permission
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(defun +org*babel-execute-src-block (orig-fn &rest args)
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"Load babel libraries as needed when babel blocks are executed."
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(let* ((language (org-element-property :language (org-element-at-point)))
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(lang-sym (intern language)))
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(when (and (not (cdr (assq lang-sym org-babel-load-languages)))
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(require
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(intern (format "ob-%s"
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(or (cdr (assoc (downcase language) +org-babel-mode-alist))
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language)))
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nil t))
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(add-to-list 'org-babel-load-languages (cons lang-sym t)))
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(apply orig-fn args)))
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(advice-add #'org-babel-execute-src-block :around #'+org*babel-execute-src-block)
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;; I prefer C-c C-c for confirming over the default C-c '
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(map! :map org-src-mode-map "C-c C-c" #'org-edit-src-exit)
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;; In a recent update, `org-babel-get-header' was removed from org-mode, which
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;; is something a fair number of babel plugins use. So until those plugins
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;; update, this polyfill will do:
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(defun org-babel-get-header (params key &optional others)
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(cl-loop with fn = (if others #'not #'identity)
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for p in params
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if (funcall fn (eq (car p) key))
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collect p)))
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