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146 lines
5.0 KiB
EmacsLisp
146 lines
5.0 KiB
EmacsLisp
;;; ob-mathomatic.el --- Org-babel functions for mathomatic evaluation
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;; Copyright (C) 2009-2013 Free Software Foundation, Inc.
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;; Author: Eric S Fraga
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;; Eric Schulte
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;; Luis Anaya (Mathomatic)
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;; Keywords: literate programming, reproducible research, mathomatic
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;; Homepage: http://orgmode.org
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;; This file is not part of GNU Emacs.
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for evaluating mathomatic entries.
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;;
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;; This differs from most standard languages in that
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;;
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;; 1) there is no such thing as a "session" in mathomatic
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;;
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;; 2) we are adding the "cmdline" header argument
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;;; Code:
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(require 'ob)
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("mathomatic" . "math"))
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(defvar org-babel-default-header-args:mathomatic '())
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(defcustom org-babel-mathomatic-command
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(if (boundp 'mathomatic-command) mathomatic-command "mathomatic")
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"Command used to call mathomatic on the shell."
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:group 'org-babel)
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(defun org-babel-mathomatic-expand (body params)
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"Expand a block of Mathomatic code according to its header arguments."
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(let ((vars (mapcar #'cdr (org-babel-get-header params :var))))
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(mapconcat 'identity
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(list
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;; graphic output
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(let ((graphic-file (org-babel-mathomatic-graphical-output-file params)))
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(if graphic-file
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(cond
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((string-match ".\.eps$" graphic-file)
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(format ;; Need to add command to send to file.
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"set plot set terminal postscript eps\\;set output %S "
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graphic-file))
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((string-match ".\.ps$" graphic-file)
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(format ;; Need to add command to send to file.
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"set plot set terminal postscript\\;set output %S "
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graphic-file))
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((string-match ".\.pic$" graphic-file)
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(format ;; Need to add command to send to file.
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"set plot set terminal gpic\\;set output %S "
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graphic-file))
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(t
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(format ;; Need to add command to send to file.
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"set plot set terminal png\\;set output %S "
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graphic-file)))
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""))
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;; variables
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(mapconcat 'org-babel-mathomatic-var-to-mathomatic vars "\n")
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;; body
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body
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"")
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"\n")))
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(defun org-babel-execute:mathomatic (body params)
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"Execute a block of Mathomatic entries with org-babel. This function is
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called by `org-babel-execute-src-block'."
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(message "executing Mathomatic source code block")
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(let ((result-params (split-string (or (cdr (assoc :results params)) "")))
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(result
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(let* ((cmdline (or (cdr (assoc :cmdline params)) ""))
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(in-file (org-babel-temp-file "mathomatic-" ".math"))
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(cmd (format "%s -t -c -q %s %s"
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org-babel-mathomatic-command in-file cmdline)))
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(with-temp-file in-file (insert (org-babel-mathomatic-expand body params)))
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(message cmd)
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((lambda (raw) ;; " | grep -v batch | grep -v 'replaced' | sed '/^$/d' "
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(mapconcat
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#'identity
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(delq nil
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(mapcar (lambda (line)
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(unless (or (string-match "batch" line)
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(string-match "^rat: replaced .*$" line)
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(= 0 (length line)))
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line))
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(split-string raw "[\r\n]"))) "\n"))
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(org-babel-eval cmd "")))))
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(if (org-babel-mathomatic-graphical-output-file params)
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nil
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(if (or (member "scalar" result-params)
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(member "verbatim" result-params)
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(member "output" result-params))
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result
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(let ((tmp-file (org-babel-temp-file "mathomatic-res-")))
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(with-temp-file tmp-file (insert result))
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(org-babel-import-elisp-from-file tmp-file))))))
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(defun org-babel-prep-session:mathomatic (session params)
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(error "Mathomatic does not support sessions"))
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(defun org-babel-mathomatic-var-to-mathomatic (pair)
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"Convert an elisp val into a string of mathomatic code specifying a var
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of the same value."
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(let ((var (car pair))
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(val (cdr pair)))
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(when (symbolp val)
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(setq val (symbol-name val))
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(when (= (length val) 1)
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(setq val (string-to-char val))))
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(format "%s=%s" var
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(org-babel-mathomatic-elisp-to-mathomatic val))))
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(defun org-babel-mathomatic-graphical-output-file (params)
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"Name of file to which mathomatic should send graphical output."
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(and (member "graphics" (cdr (assq :result-params params)))
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(cdr (assq :file params))))
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(defun org-babel-mathomatic-elisp-to-mathomatic (val)
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"Return a string of mathomatic code which evaluates to VAL."
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(if (listp val)
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(mapconcat #'org-babel-mathomatic-elisp-to-mathomatic val " ")
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(format "%s" val)))
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(provide 'ob-mathomatic)
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;;; ob-mathomatic.el ends here
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