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emacs/lisp/org/ob-lisp.el
2012-01-04 15:14:29 +01:00

108 lines
3.5 KiB
EmacsLisp

;;; ob-lisp.el --- org-babel functions for common lisp evaluation
;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
;; Author: Joel Boehland
;; Eric Schulte
;; David T. O'Toole <dto@gnu.org>
;; Keywords: literate programming, reproducible research
;; Homepage: http://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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; support for evaluating common lisp code, relies on slime for all eval
;;; Requirements:
;; Requires SLIME (Superior Lisp Interaction Mode for Emacs.)
;; See http://common-lisp.net/project/slime/
;;; Code:
(require 'ob)
(declare-function slime-eval "ext:slime" (sexp &optional package))
(defvar org-babel-tangle-lang-exts)
(add-to-list 'org-babel-tangle-lang-exts '("lisp" . "lisp"))
(defvar org-babel-default-header-args:lisp '())
(defvar org-babel-header-arg-names:lisp '(package))
(defcustom org-babel-lisp-dir-fmt
"(let ((*default-pathname-defaults* #P%S)) %%s)"
"Format string used to wrap code bodies to set the current directory.
For example a value of \"(progn ;; %s\\n %%s)\" would ignore the
current directory string."
:group 'org-babel
:type 'string)
(defun org-babel-expand-body:lisp (body params)
"Expand BODY according to PARAMS, return the expanded body."
(let* ((vars (mapcar #'cdr (org-babel-get-header params :var)))
(result-params (cdr (assoc :result-params params)))
(print-level nil) (print-length nil)
(body (org-babel-trim
(if (> (length vars) 0)
(concat "(let ("
(mapconcat
(lambda (var)
(format "(%S (quote %S))" (car var) (cdr var)))
vars "\n ")
")\n" body ")")
body))))
(if (or (member "code" result-params)
(member "pp" result-params))
(format "(pprint %s)" body)
body)))
(defun org-babel-execute:lisp (body params)
"Execute a block of Common Lisp code with Babel."
(require 'slime)
(org-babel-reassemble-table
((lambda (result)
(if (member "output" (cdr (assoc :result-params params)))
(car result)
(condition-case nil
(read (org-babel-lisp-vector-to-list (cadr result)))
(error (cadr result)))))
(with-temp-buffer
(insert (org-babel-expand-body:lisp body params))
(slime-eval `(swank:eval-and-grab-output
,(let ((dir (if (assoc :dir params)
(cdr (assoc :dir params))
default-directory)))
(format
(if dir (format org-babel-lisp-dir-fmt dir) "(progn %s)")
(buffer-substring-no-properties
(point-min) (point-max)))))
(cdr (assoc :package params)))))
(org-babel-pick-name (cdr (assoc :colname-names params))
(cdr (assoc :colnames params)))
(org-babel-pick-name (cdr (assoc :rowname-names params))
(cdr (assoc :rownames params)))))
(defun org-babel-lisp-vector-to-list (results)
;; TODO: better would be to replace #(...) with [...]
(replace-regexp-in-string "#(" "(" results))
(provide 'ob-lisp)
;;; ob-lisp.el ends here