HCoop / bpt / emacs.git / blame
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1 | ;;; ob-clojure.el --- org-babel functions for clojure evaluation |
| 2 | ||
| 73b0cd50 | 3 | ;; Copyright (C) 2009-2011 Free Software Foundation, Inc. |
| 86fbb8ca | 4 | |
| acedf35c | 5 | ;; Author: Joel Boehland, Eric Schulte |
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6 | ;; Keywords: literate programming, reproducible research |
| 7 | ;; Homepage: http://orgmode.org | |
| acedf35c | 8 | ;; Version: 7.4 |
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9 | |
| 10 | ;; This file is part of GNU Emacs. | |
| 11 | ||
| 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
| 13 | ;; it under the terms of the GNU General Public License as published by | |
| 14 | ;; the Free Software Foundation, either version 3 of the License, or | |
| 15 | ;; (at your option) any later version. | |
| 16 | ||
| 17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 | ;; GNU General Public License for more details. | |
| 21 | ||
| 22 | ;; You should have received a copy of the GNU General Public License | |
| 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
| 24 | ||
| 25 | ;;; Commentary: | |
| 26 | ||
| acedf35c | 27 | ;;; support for evaluating clojure code, relies on slime for all eval |
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28 | |
| 29 | ;;; Requirements: | |
| 30 | ||
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31 | ;;; - clojure (at least 1.2.0) |
| 32 | ;;; - clojure-mode | |
| 33 | ;;; - slime | |
| 34 | ;;; - swank-clojure | |
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35 | |
| 36 | ;;; By far, the best way to install these components is by following | |
| 37 | ;;; the directions as set out by Phil Hagelberg (Technomancy) on the | |
| 38 | ;;; web page: http://technomancy.us/126 | |
| 39 | ||
| 40 | ;;; Code: | |
| 41 | (require 'ob) | |
| 86fbb8ca | 42 | |
| 86fbb8ca | 43 | (declare-function slime-eval "ext:slime" (sexp &optional package)) |
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44 | |
| 45 | (add-to-list 'org-babel-tangle-lang-exts '("clojure" . "clj")) | |
| 46 | ||
| 47 | (defvar org-babel-default-header-args:clojure '()) | |
| acedf35c | 48 | (defvar org-babel-header-arg-names:clojure '(package)) |
| 86fbb8ca | 49 | |
| afe98dfa | 50 | (defun org-babel-expand-body:clojure (body params) |
| 86fbb8ca | 51 | "Expand BODY according to PARAMS, return the expanded body." |
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52 | (let* ((vars (mapcar #'cdr (org-babel-get-header params :var))) |
| 53 | (result-params (cdr (assoc :result-params params))) | |
| 54 | (print-level nil) (print-length nil) | |
| 55 | (body (org-babel-trim | |
| 56 | (if (> (length vars) 0) | |
| 57 | (concat "(let [" | |
| 58 | (mapconcat | |
| 59 | (lambda (var) | |
| 60 | (format "%S (quote %S)" (car var) (cdr var))) | |
| 61 | vars "\n ") | |
| 62 | "]\n" body ")") | |
| 63 | body)))) | |
| 64 | (if (or (member "code" result-params) | |
| 65 | (member "pp" result-params)) | |
| 66 | (format (concat "(let [org-mode-print-catcher (java.io.StringWriter.)]" | |
| 67 | "(clojure.pprint/with-pprint-dispatch %s-dispatch" | |
| 68 | "(clojure.pprint/pprint %s org-mode-print-catcher)" | |
| 69 | "(str org-mode-print-catcher)))") | |
| 70 | (if (member "code" result-params) "code" "simple") body) | |
| 71 | body))) | |
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72 | |
| 73 | (defun org-babel-execute:clojure (body params) | |
| acedf35c | 74 | "Execute a block of Clojure code with Babel." |
| 86fbb8ca | 75 | (require 'slime) (require 'swank-clojure) |
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76 | (with-temp-buffer |
| 77 | (insert (org-babel-expand-body:clojure body params)) | |
| 78 | (read | |
| 79 | (slime-eval | |
| 80 | `(swank:interactive-eval-region | |
| 81 | ,(buffer-substring-no-properties (point-min) (point-max))) | |
| 82 | (cdr (assoc :package params)))))) | |
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83 | |
| 84 | (provide 'ob-clojure) | |
| 85 | ||
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86 | |
| 87 | ;;; ob-clojure.el ends here |