HCoop / bpt / emacs.git / blame
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1 | ;;; ob-emacs-lisp.el --- org-babel functions for emacs-lisp code evaluation |
| 2 | ||
| c7e9ed79 | 3 | ;; Copyright (C) 2009-2012 Free Software Foundation, Inc. |
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4 | |
| 5 | ;; Author: Eric Schulte | |
| 6 | ;; Keywords: literate programming, reproducible research | |
| 7 | ;; Homepage: http://orgmode.org | |
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8 | |
| 9 | ;; This file is part of GNU Emacs. | |
| 10 | ||
| 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. | |
| 15 | ||
| 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. | |
| 20 | ||
| 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/>. | |
| 23 | ||
| 24 | ;;; Commentary: | |
| 25 | ||
| 26 | ;; Org-Babel support for evaluating emacs-lisp code | |
| 27 | ||
| 28 | ;;; Code: | |
| 29 | (require 'ob) | |
| eeb4145e | 30 | (eval-when-compile (require 'ob-comint)) |
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31 | |
| 32 | (defvar org-babel-default-header-args:emacs-lisp | |
| 33 | '((:hlines . "yes") (:colnames . "no")) | |
| 34 | "Default arguments for evaluating an emacs-lisp source block.") | |
| 35 | ||
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36 | (declare-function orgtbl-to-generic "org-table" (table params)) |
| 37 | ||
| afe98dfa | 38 | (defun org-babel-expand-body:emacs-lisp (body params) |
| 86fbb8ca | 39 | "Expand BODY according to PARAMS, return the expanded body." |
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40 | (let* ((vars (mapcar #'cdr (org-babel-get-header params :var))) |
| 41 | (result-params (cdr (assoc :result-params params))) | |
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42 | (print-level nil) (print-length nil) |
| 43 | (body (if (> (length vars) 0) | |
| 153ae947 BG |
44 | (concat "(let (" |
| 45 | (mapconcat | |
| 46 | (lambda (var) | |
| 47 | (format "%S" (print `(,(car var) ',(cdr var))))) | |
| 48 | vars "\n ") | |
| 49 | ")\n" body "\n)") | |
| 50 | (concat body "\n")))) | |
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51 | (if (or (member "code" result-params) |
| 52 | (member "pp" result-params)) | |
| 53 | (concat "(pp " body ")") body))) | |
| 54 | ||
| 55 | (defun org-babel-execute:emacs-lisp (body params) | |
| 56 | "Execute a block of emacs-lisp code with Babel." | |
| 57 | (save-window-excursion | |
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58 | ((lambda (result) |
| 59 | (if (or (member "scalar" (cdr (assoc :result-params params))) | |
| 60 | (member "verbatim" (cdr (assoc :result-params params)))) | |
| 61 | (let ((print-level nil) | |
| 62 | (print-length nil)) | |
| 63 | (format "%S" result)) | |
| 64 | (org-babel-reassemble-table | |
| 65 | result | |
| 66 | (org-babel-pick-name (cdr (assoc :colname-names params)) | |
| 67 | (cdr (assoc :colnames params))) | |
| 68 | (org-babel-pick-name (cdr (assoc :rowname-names params)) | |
| 69 | (cdr (assoc :rownames params)))))) | |
| 70 | (eval (read (format (if (member "output" | |
| 71 | (cdr (assoc :result-params params))) | |
| 72 | "(with-output-to-string %s)" | |
| 73 | "(progn %s)") | |
| 74 | (org-babel-expand-body:emacs-lisp body params))))))) | |
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75 | |
| 76 | (provide 'ob-emacs-lisp) | |
| 77 | ||
| 5b409b39 | 78 | |
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79 | |
| 80 | ;;; ob-emacs-lisp.el ends here |