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author | Sébastien Delafond <sdelafond@gmail.com> | 2014-07-13 13:35:01 +0200 |
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committer | Sébastien Delafond <sdelafond@gmail.com> | 2014-07-13 13:35:01 +0200 |
commit | 7697fa4daf3ec84f85711a84035d8f0224afd4e3 (patch) | |
tree | 24d0f1d2a9751ca8c063409fd2ab71478b296efb /lisp/ob-maxima.el |
Imported Upstream version 7.9.2
Diffstat (limited to 'lisp/ob-maxima.el')
-rw-r--r-- | lisp/ob-maxima.el | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/lisp/ob-maxima.el b/lisp/ob-maxima.el new file mode 100644 index 0000000..06fa3cf --- /dev/null +++ b/lisp/ob-maxima.el @@ -0,0 +1,132 @@ +;;; ob-maxima.el --- org-babel functions for maxima evaluation + +;; Copyright (C) 2009-2012 Free Software Foundation, Inc. + +;; Author: Eric S Fraga +;; Eric Schulte +;; Keywords: literate programming, reproducible research, maxima +;; 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 <http://www.gnu.org/licenses/>. + +;;; Commentary: + +;; Org-Babel support for evaluating maxima entries. +;; +;; This differs from most standard languages in that +;; +;; 1) there is no such thing as a "session" in maxima +;; +;; 2) we are adding the "cmdline" header argument + +;;; Code: +(require 'ob) + +(defvar org-babel-tangle-lang-exts) +(add-to-list 'org-babel-tangle-lang-exts '("maxima" . "max")) + +(defvar org-babel-default-header-args:maxima '()) + +(defcustom org-babel-maxima-command + (if (boundp 'maxima-command) maxima-command "maxima") + "Command used to call maxima on the shell." + :group 'org-babel) + +(defun org-babel-maxima-expand (body params) + "Expand a block of Maxima code according to its header arguments." + (let ((vars (mapcar #'cdr (org-babel-get-header params :var)))) + (mapconcat 'identity + (list + ;; graphic output + (let ((graphic-file (org-babel-maxima-graphical-output-file params))) + (if graphic-file + (format + "set_plot_option ([gnuplot_term, png]); set_plot_option ([gnuplot_out_file, %S]);" + graphic-file) + "")) + ;; variables + (mapconcat 'org-babel-maxima-var-to-maxima vars "\n") + ;; body + body + "gnuplot_close ()$") + "\n"))) + +(defun org-babel-execute:maxima (body params) + "Execute a block of Maxima entries with org-babel. This function is +called by `org-babel-execute-src-block'." + (message "executing Maxima source code block") + (let ((result-params (split-string (or (cdr (assoc :results params)) ""))) + (result + (let* ((cmdline (or (cdr (assoc :cmdline params)) "")) + (in-file (org-babel-temp-file "maxima-" ".max")) + (cmd (format "%s --very-quiet -r 'batchload(%S)$' %s" + org-babel-maxima-command in-file cmdline))) + (with-temp-file in-file (insert (org-babel-maxima-expand body params))) + (message cmd) + ((lambda (raw) ;; " | grep -v batch | grep -v 'replaced' | sed '/^$/d' " + (mapconcat + #'identity + (delq nil + (mapcar (lambda (line) + (unless (or (string-match "batch" line) + (string-match "^rat: replaced .*$" line) + (= 0 (length line))) + line)) + (split-string raw "[\r\n]"))) "\n")) + (org-babel-eval cmd ""))))) + (if (org-babel-maxima-graphical-output-file params) + nil + (if (or (member "scalar" result-params) + (member "verbatim" result-params) + (member "output" result-params)) + result + (let ((tmp-file (org-babel-temp-file "maxima-res-"))) + (with-temp-file tmp-file (insert result)) + (org-babel-import-elisp-from-file tmp-file)))))) + + +(defun org-babel-prep-session:maxima (session params) + (error "Maxima does not support sessions")) + +(defun org-babel-maxima-var-to-maxima (pair) + "Convert an elisp val into a string of maxima code specifying a var +of the same value." + (let ((var (car pair)) + (val (cdr pair))) + (when (symbolp val) + (setq val (symbol-name val)) + (when (= (length val) 1) + (setq val (string-to-char val)))) + (format "%S: %s$" var + (org-babel-maxima-elisp-to-maxima val)))) + +(defun org-babel-maxima-graphical-output-file (params) + "Name of file to which maxima should send graphical output." + (and (member "graphics" (cdr (assq :result-params params))) + (cdr (assq :file params)))) + +(defun org-babel-maxima-elisp-to-maxima (val) + "Return a string of maxima code which evaluates to VAL." + (if (listp val) + (concat "[" (mapconcat #'org-babel-maxima-elisp-to-maxima val ", ") "]") + (format "%s" val))) + + +(provide 'ob-maxima) + + + +;;; ob-maxima.el ends here |