1 ;;; ob-emacs-lisp.el --- org-babel functions for emacs-lisp code evaluation
3 ;; Copyright (C) 2009-2014 Free Software Foundation, Inc.
5 ;; Author: Eric Schulte
6 ;; Keywords: literate programming, reproducible research
7 ;; Homepage: http://orgmode.org
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
26 ;; Org-Babel support for evaluating emacs-lisp code
31 (defvar org-babel-default-header-args
:emacs-lisp
32 '((:hlines .
"yes") (:colnames .
"no"))
33 "Default arguments for evaluating an emacs-lisp source block.")
35 (declare-function orgtbl-to-generic
"org-table" (table params
))
37 (defun org-babel-expand-body:emacs-lisp
(body params
)
38 "Expand BODY according to PARAMS, return the expanded body."
39 (let* ((vars (mapcar #'cdr
(org-babel-get-header params
:var
)))
40 (result-params (cdr (assoc :result-params params
)))
41 (print-level nil
) (print-length nil
)
42 (body (if (> (length vars
) 0)
46 (format "%S" (print `(,(car var
) ',(cdr var
)))))
50 (if (or (member "code" result-params
)
51 (member "pp" result-params
))
52 (concat "(pp " body
")") body
)))
54 (defun org-babel-execute:emacs-lisp
(body params
)
55 "Execute a block of emacs-lisp code with Babel."
56 (save-window-excursion
58 (eval (read (format (if (member "output"
59 (cdr (assoc :result-params params
)))
60 "(with-output-to-string %s)"
62 (org-babel-expand-body:emacs-lisp
64 (org-babel-result-cond (cdr (assoc :result-params params
))
65 (let ((print-level nil
)
67 (if (or (member "scalar" (cdr (assoc :result-params params
)))
68 (member "verbatim" (cdr (assoc :result-params params
))))
70 (format "%s" result
)))
71 (org-babel-reassemble-table
73 (org-babel-pick-name (cdr (assoc :colname-names params
))
74 (cdr (assoc :colnames params
)))
75 (org-babel-pick-name (cdr (assoc :rowname-names params
))
76 (cdr (assoc :rownames params
))))))))
78 (provide 'ob-emacs-lisp
)
82 ;;; ob-emacs-lisp.el ends here