| commit | author | age | ||
| 76bbd0 | 1 | ;;; ob-io.el --- Babel Functions for Io -*- lexical-binding: t; -*- |
| C | 2 | |
| 3 | ;; Copyright (C) 2012-2018 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | ;; Author: Andrzej Lichnerowicz | |
| 6 | ;; Keywords: literate programming, reproducible research | |
| 7 | ;; Homepage: https://orgmode.org | |
| 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 <https://www.gnu.org/licenses/>. | |
| 23 | ||
| 24 | ;;; Commentary: | |
| 25 | ;; Currently only supports the external execution. No session support yet. | |
| 26 | ;; :results output -- runs in scripting mode | |
| 27 | ;; :results output repl -- runs in repl mode | |
| 28 | ||
| 29 | ;;; Requirements: | |
| 30 | ;; - Io language :: http://iolanguage.org/ | |
| 31 | ;; - Io major mode :: Can be installed from Io sources | |
| 32 | ;; https://github.com/stevedekorte/io/blob/master/extras/SyntaxHighlighters/Emacs/io-mode.el | |
| 33 | ||
| 34 | ;;; Code: | |
| 35 | (require 'ob) | |
| 36 | ||
| 37 | (defvar org-babel-tangle-lang-exts) ;; Autoloaded | |
| 38 | (add-to-list 'org-babel-tangle-lang-exts '("io" . "io")) | |
| 39 | (defvar org-babel-default-header-args:io '()) | |
| 40 | (defvar org-babel-io-command "io" | |
| 41 | "Name of the command to use for executing Io code.") | |
| 42 | ||
| 43 | (defun org-babel-execute:io (body params) | |
| 44 | "Execute a block of Io code with org-babel. This function is | |
| 45 | called by `org-babel-execute-src-block'" | |
| 46 | (message "executing Io source code block") | |
| 47 | (let* ((processed-params (org-babel-process-params params)) | |
| 48 | (session (org-babel-io-initiate-session (nth 0 processed-params))) | |
| 49 | (result-params (nth 2 processed-params)) | |
| 50 | (result-type (cdr (assq :result-type params))) | |
| 51 | (full-body (org-babel-expand-body:generic | |
| 52 | body params)) | |
| 53 | (result (org-babel-io-evaluate | |
| 54 | session full-body result-type result-params))) | |
| 55 | ||
| 56 | (org-babel-reassemble-table | |
| 57 | result | |
| 58 | (org-babel-pick-name | |
| 59 | (cdr (assq :colname-names params)) (cdr (assq :colnames params))) | |
| 60 | (org-babel-pick-name | |
| 61 | (cdr (assq :rowname-names params)) (cdr (assq :rownames params)))))) | |
| 62 | ||
| 63 | (defvar org-babel-io-wrapper-method | |
| 64 | "( | |
| 65 | %s | |
| 66 | ) asString print | |
| 67 | ") | |
| 68 | ||
| 69 | ||
| 70 | (defun org-babel-io-evaluate (session body &optional result-type result-params) | |
| 71 | "Evaluate BODY in external Io process. | |
| 72 | If RESULT-TYPE equals `output' then return standard output as a string. | |
| 73 | If RESULT-TYPE equals `value' then return the value of the last statement | |
| 74 | in BODY as elisp." | |
| 75 | (when session (error "Sessions are not (yet) supported for Io")) | |
| 76 | (pcase result-type | |
| 77 | (`output | |
| 78 | (if (member "repl" result-params) | |
| 79 | (org-babel-eval org-babel-io-command body) | |
| 80 | (let ((src-file (org-babel-temp-file "io-"))) | |
| 81 | (progn (with-temp-file src-file (insert body)) | |
| 82 | (org-babel-eval | |
| 83 | (concat org-babel-io-command " " src-file) ""))))) | |
| 84 | (`value (let* ((src-file (org-babel-temp-file "io-")) | |
| 85 | (wrapper (format org-babel-io-wrapper-method body))) | |
| 86 | (with-temp-file src-file (insert wrapper)) | |
| 87 | (let ((raw (org-babel-eval | |
| 88 | (concat org-babel-io-command " " src-file) ""))) | |
| 89 | (org-babel-result-cond result-params | |
| 90 | raw | |
| 91 | (org-babel-script-escape raw))))))) | |
| 92 | ||
| 93 | ||
| 94 | (defun org-babel-prep-session:io (_session _params) | |
| 95 | "Prepare SESSION according to the header arguments specified in PARAMS." | |
| 96 | (error "Sessions are not (yet) supported for Io")) | |
| 97 | ||
| 98 | (defun org-babel-io-initiate-session (&optional _session) | |
| 99 | "If there is not a current inferior-process-buffer in SESSION | |
| 100 | then create. Return the initialized session. Sessions are not | |
| 101 | supported in Io." | |
| 102 | nil) | |
| 103 | ||
| 104 | (provide 'ob-io) | |
| 105 | ||
| 106 | ||
| 107 | ||
| 108 | ;;; ob-io.el ends here | |
