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2017-11-11 15:15:10 -02:00
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--- a/elpa/org-20171030/ob-io.el
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+;;; ob-io.el --- Babel Functions for Io              -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+;; Author: Andrzej Lichnerowicz
+;; Keywords: literate programming, reproducible research
+;; Homepage: http://orgmode.org
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;; Currently only supports the external execution.  No session support yet.
+;; :results output -- runs in scripting mode
+;; :results output repl -- runs in repl mode
+
+;;; Requirements:
+;; - Io language :: http://iolanguage.org/
+;; - Io major mode :: Can be installed from Io sources
+;;  https://github.com/stevedekorte/io/blob/master/extras/SyntaxHighlighters/Emacs/io-mode.el
+
+;;; Code:
+(require 'ob)
+
+(defvar org-babel-tangle-lang-exts) ;; Autoloaded
+(add-to-list 'org-babel-tangle-lang-exts '("io" . "io"))
+(defvar org-babel-default-header-args:io '())
+(defvar org-babel-io-command "io"
+  "Name of the command to use for executing Io code.")
+
+(defun org-babel-execute:io (body params)
+  "Execute a block of Io code with org-babel.  This function is
+called by `org-babel-execute-src-block'"
+  (message "executing Io source code block")
+  (let* ((processed-params (org-babel-process-params params))
+         (session (org-babel-io-initiate-session (nth 0 processed-params)))
+         (result-params (nth 2 processed-params))
+         (result-type (cdr (assq :result-type params)))
+         (full-body (org-babel-expand-body:generic
+                     body params))
+         (result (org-babel-io-evaluate
+                  session full-body result-type result-params)))
+
+    (org-babel-reassemble-table
+     result
+     (org-babel-pick-name
+      (cdr (assq :colname-names params)) (cdr (assq :colnames params)))
+     (org-babel-pick-name
+      (cdr (assq :rowname-names params)) (cdr (assq :rownames params))))))
+
+(defvar org-babel-io-wrapper-method
+  "(
+%s
+) asString print
+")
+
+
+(defun org-babel-io-evaluate (session body &optional result-type result-params)
+  "Evaluate BODY in external Io process.
+If RESULT-TYPE equals `output' then return standard output as a string.
+If RESULT-TYPE equals `value' then return the value of the last statement
+in BODY as elisp."
+  (when session (error "Sessions are not (yet) supported for Io"))
+  (pcase result-type
+    (`output
+     (if (member "repl" result-params)
+         (org-babel-eval org-babel-io-command body)
+       (let ((src-file (org-babel-temp-file "io-")))
+         (progn (with-temp-file src-file (insert body))
+                (org-babel-eval
+                 (concat org-babel-io-command " " src-file) "")))))
+    (`value (let* ((src-file (org-babel-temp-file "io-"))
+		   (wrapper (format org-babel-io-wrapper-method body)))
+	      (with-temp-file src-file (insert wrapper))
+	      (let ((raw (org-babel-eval
+			  (concat org-babel-io-command " " src-file) "")))
+		(org-babel-result-cond result-params
+		  raw
+		  (org-babel-script-escape raw)))))))
+
+
+(defun org-babel-prep-session:io (_session _params)
+  "Prepare SESSION according to the header arguments specified in PARAMS."
+  (error "Sessions are not (yet) supported for Io"))
+
+(defun org-babel-io-initiate-session (&optional _session)
+  "If there is not a current inferior-process-buffer in SESSION
+then create.  Return the initialized session.  Sessions are not
+supported in Io."
+  nil)
+
+(provide 'ob-io)
+
+
+
+;;; ob-io.el ends here