136 lines
4.7 KiB
EmacsLisp
136 lines
4.7 KiB
EmacsLisp
;;; ob-maxima.el --- Babel Functions for Maxima -*- lexical-binding: t; -*-
|
|
|
|
;; Copyright (C) 2009-2023 Free Software Foundation, Inc.
|
|
|
|
;; Author: Eric S Fraga
|
|
;; Eric Schulte
|
|
;; Keywords: literate programming, reproducible research, maxima
|
|
;; URL: https://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:
|
|
|
|
;; 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 'org-macs)
|
|
(org-assert-version)
|
|
|
|
(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
|
|
:type 'string)
|
|
|
|
(defun org-babel-maxima-expand (body params)
|
|
"Expand Maxima BODY according to its header arguments from PARAMS."
|
|
(let ((vars (org-babel--get-vars params))
|
|
(epilogue (cdr (assq :epilogue params)))
|
|
(prologue (cdr (assq :prologue params))))
|
|
(mapconcat 'identity
|
|
(list
|
|
;; Any code from the specified prologue at the start.
|
|
prologue
|
|
;; graphic output
|
|
(let ((graphic-file (ignore-errors (org-babel-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
|
|
;; Any code from the specified epilogue at the end.
|
|
epilogue
|
|
"gnuplot_close ()$")
|
|
"\n")))
|
|
|
|
(defun org-babel-execute:maxima (body params)
|
|
"Execute Maxima BODY according to PARAMS.
|
|
This function is called by `org-babel-execute-src-block'."
|
|
(message "Executing Maxima source code block")
|
|
(let ((result-params (split-string (or (cdr (assq :results params)) "")))
|
|
(result
|
|
(let* ((cmdline (or (cdr (assq :cmdline params)) ""))
|
|
(in-file (org-babel-temp-file "maxima-" ".max"))
|
|
(cmd (format "%s --very-quiet -r %s %s"
|
|
org-babel-maxima-command
|
|
(shell-quote-argument
|
|
(format "batchload(%S)$" in-file))
|
|
cmdline)))
|
|
(with-temp-file in-file (insert (org-babel-maxima-expand body params)))
|
|
(message cmd)
|
|
;; " | grep -v batch | grep -v 'replaced' | sed '/^$/d' "
|
|
(let ((raw (org-babel-eval cmd "")))
|
|
(mapconcat
|
|
#'identity
|
|
(delq nil
|
|
(mapcar (lambda (line)
|
|
(unless (or (string-match "batch" line)
|
|
(string-match "^rat: replaced .*$" line)
|
|
(string-match "^;;; Loading #P" line)
|
|
(= 0 (length line)))
|
|
line))
|
|
(split-string raw "[\r\n]"))) "\n")))))
|
|
(if (ignore-errors (org-babel-graphical-output-file params))
|
|
nil
|
|
(org-babel-result-cond 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)
|
|
"Throw an error. Maxima does not support sessions."
|
|
(error "Maxima does not support sessions"))
|
|
|
|
(defun org-babel-maxima-var-to-maxima (pair)
|
|
"Convert an elisp variable-value PAIR to maxima code."
|
|
(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-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
|