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83 lines
3.0 KiB
EmacsLisp
83 lines
3.0 KiB
EmacsLisp
;;; ob-emacs-lisp.el --- org-babel functions for emacs-lisp code evaluation
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;; Copyright (C) 2009-2014 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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;; 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 emacs-lisp code
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;;; Code:
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(require 'ob)
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(defvar org-babel-default-header-args:emacs-lisp
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'((:hlines . "yes") (:colnames . "no"))
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"Default arguments for evaluating an emacs-lisp source block.")
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(declare-function orgtbl-to-generic "org-table" (table params))
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(defun org-babel-expand-body:emacs-lisp (body params)
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"Expand BODY according to PARAMS, return the expanded body."
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(let* ((vars (mapcar #'cdr (org-babel-get-header params :var)))
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(result-params (cdr (assoc :result-params params)))
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(print-level nil) (print-length nil)
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(body (if (> (length vars) 0)
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(concat "(let ("
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(mapconcat
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(lambda (var)
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(format "%S" (print `(,(car var) ',(cdr var)))))
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vars "\n ")
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")\n" body "\n)")
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(concat body "\n"))))
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(if (or (member "code" result-params)
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(member "pp" result-params))
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(concat "(pp " body ")") body)))
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(defun org-babel-execute:emacs-lisp (body params)
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"Execute a block of emacs-lisp code with Babel."
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(save-window-excursion
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(let ((result
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(eval (read (format (if (member "output"
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(cdr (assoc :result-params params)))
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"(with-output-to-string %s)"
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"(progn %s)")
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(org-babel-expand-body:emacs-lisp
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body params))))))
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(org-babel-result-cond (cdr (assoc :result-params params))
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(let ((print-level nil)
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(print-length nil))
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(if (or (member "scalar" (cdr (assoc :result-params params)))
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(member "verbatim" (cdr (assoc :result-params params))))
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(format "%S" result)
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(format "%s" result)))
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(org-babel-reassemble-table
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result
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(org-babel-pick-name (cdr (assoc :colname-names params))
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(cdr (assoc :colnames params)))
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(org-babel-pick-name (cdr (assoc :rowname-names params))
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(cdr (assoc :rownames params))))))))
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(provide 'ob-emacs-lisp)
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;;; ob-emacs-lisp.el ends here
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