forked from mirrors/org-mode
598be4a4a4
* lisp/ob-calc.el (org-babel-execute:calc): safer evaluation and hopefully better error messages * lisp/org-src.el (org-src-lang-modes): mapping calc blocks to fundamental mode
68 lines
2.1 KiB
EmacsLisp
68 lines
2.1 KiB
EmacsLisp
;;; ob-calc.el --- org-babel functions for calc code evaluation
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;; Copyright (C) 2010 Free Software Foundation, Inc
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;; Author: Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 7.01trans
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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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;; GNU Emacs 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 calc code
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;;; Code:
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(require 'ob)
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(require 'calc)
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(require 'calc-trail)
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(eval-when-compile (require 'ob-comint))
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(defvar org-babel-default-header-args:calc nil
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"Default arguments for evaluating an calc source block.")
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(defun org-babel-expand-body:calc (body params)
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"Expand BODY according to PARAMS, return the expanded body." body)
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(defun org-babel-execute:calc (body params)
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"Execute a block of calc code with Babel."
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(mapcar
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(lambda (line)
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(when (> (length line) 0)
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(if (string= "'" (substring line 0 1))
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(funcall (lookup-key calc-mode-map (substring line 1)) nil)
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(calc-push-list
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(list ((lambda (res)
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(cond
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((numberp res) res)
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((listp res) (error "calc error \"%s\" on input \"%s\""
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(cadr res) line))
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(t res))
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(if (numberp res) res (math-read-number res)))
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(calc-eval line)))))))
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(mapcar #'org-babel-trim
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(split-string (org-babel-expand-body:calc body params) "[\n\r]")))
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(save-excursion
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(set-buffer (get-buffer "*Calculator*"))
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(calc-eval (calc-top 1))))
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(provide 'ob-calc)
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;; arch-tag: 5c57a3b7-5818-4c6c-acda-7a94831a6449
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;;; ob-calc.el ends here
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