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- ;;; ob-emacs-lisp.el --- Babel Functions for Emacs-lisp Code -*- lexical-binding: t; -*-
- ;; Copyright (C) 2009-2018 Free Software Foundation, Inc.
- ;; Author: Eric Schulte
- ;; Keywords: literate programming, reproducible research
- ;; Homepage: 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 emacs-lisp code
- ;;; Code:
- (require 'ob)
- (defconst org-babel-header-args:emacs-lisp '((lexical . :any))
- "Emacs-lisp specific header arguments.")
- (defvar org-babel-default-header-args:emacs-lisp '((:lexical . "no"))
- "Default arguments for evaluating an emacs-lisp source block.
- A value of \"yes\" or t causes src blocks to be eval'd using
- lexical scoping. It can also be an alist mapping symbols to
- their value. It is used as the optional LEXICAL argument to
- `eval', which see.")
- (defun org-babel-expand-body:emacs-lisp (body params)
- "Expand BODY according to PARAMS, return the expanded body."
- (let ((vars (org-babel--get-vars params))
- (print-level nil)
- (print-length nil))
- (if (null vars) (concat body "\n")
- (format "(let (%s)\n%s\n)"
- (mapconcat
- (lambda (var)
- (format "%S" (print `(,(car var) ',(cdr var)))))
- vars "\n ")
- body))))
- (defun org-babel-execute:emacs-lisp (body params)
- "Execute a block of emacs-lisp code with Babel."
- (save-window-excursion
- (let* ((lexical (cdr (assq :lexical params)))
- (result-params (cdr (assq :result-params params)))
- (body (format (if (member "output" result-params)
- "(with-output-to-string %s\n)"
- "(progn %s\n)")
- (org-babel-expand-body:emacs-lisp body params)))
- (result (eval (read (if (or (member "code" result-params)
- (member "pp" result-params))
- (concat "(pp " body ")")
- body))
- (if (listp lexical)
- lexical
- (member lexical '("yes" "t"))))))
- (org-babel-result-cond result-params
- (let ((print-level nil)
- (print-length nil))
- (if (or (member "scalar" result-params)
- (member "verbatim" result-params))
- (format "%S" result)
- (format "%s" result)))
- (org-babel-reassemble-table
- result
- (org-babel-pick-name (cdr (assq :colname-names params))
- (cdr (assq :colnames params)))
- (org-babel-pick-name (cdr (assq :rowname-names params))
- (cdr (assq :rownames params))))))))
- (org-babel-make-language-alias "elisp" "emacs-lisp")
- (provide 'ob-emacs-lisp)
- ;;; ob-emacs-lisp.el ends here
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