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org-mode/lisp/org-babel-comint.el
Eric Schulte 6698edbe83 finally think I'm on the right track for output vs. values, mostly working w/ruby
- moved ruby functions into their own buffer
  - removed org-babel-sessions.el
  - drastically scaled down org-babel-comint.el (may grow later if we
    find duplication between language buffers)
  - removed org-babel-script.el
  - adjusted org-babel-init.el to reflect new file layout

For the big breakthrough see `org-babel-ruby-evaluate' in
org-babel-ruby.el.  This will be the model upon which all future
language evaluations will be built.
2009-06-11 15:15:59 -07:00

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EmacsLisp

;;; org-babel-comint.el --- org-babel functions for interaction with comint buffers
;; Copyright (C) 2009 Eric Schulte
;; Author: Eric Schulte
;; Keywords: literate programming, reproducible research, comint
;; Homepage: http://orgmode.org
;; Version: 0.01
;;; License:
;; This program 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, or (at your option)
;; any later version.
;;
;; This program 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; These functions build on comint to ease the sending and receiving
;; of commands and results from comint buffers.
;;
;; Note that the buffers in this file are analogous to sessions in
;; org-babel at large.
;;; Code:
(require 'org-babel)
(require 'comint)
(defun org-babel-comint-buffer-livep (buffer)
(and (buffer-live-p buffer) (get-buffer buffer) (get-buffer-process buffer)))
(defmacro org-babel-comint-in-buffer (buffer &rest body)
"Check BUFFER with `org-babel-comint-buffer-livep' then execute
body inside the protection of `save-window-excursion' and
`save-match-data'."
(declare (indent 1))
`(save-window-excursion
(save-match-data
(unless (org-babel-comint-buffer-livep buffer)
(error (format "buffer %s doesn't exist or has no process" buffer)))
(set-buffer buffer)
,@body)))
(provide 'org-babel-comint)
;;; org-babel-comint.el ends here