Merge branch 'maint'
[org-mode/org-tableheadings.git] / lisp / ob-io.el
blob5dd611098e00b048a542d2135d53f0a24aa8d897
1 ;;; ob-io.el --- Babel Functions for Io -*- lexical-binding: t; -*-
3 ;; Copyright (C) 2012-2017 Free Software Foundation, Inc.
5 ;; Author: Andrzej Lichnerowicz
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/>.
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
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
34 ;;; Code:
35 (require 'ob)
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.")
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)))
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))))))
63 (defvar org-babel-io-wrapper-method
66 ) asString print
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)))))))
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"))
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)
104 (provide 'ob-io)
108 ;;; ob-io.el ends here