forked from mirrors/org-mode
58f1dbccf8
Also remove blank lines before the ";;; org*el ends here" declarations. Having a "Version" header forced us to update every file when releasing a new version of Org; it also forced us to update every file when merging Org with Emacs trunk, thus cluttering the diffs between the previously merged version and the new one with useless information. Glenn Morris suggested this in emacs-devel: http://lists.gnu.org/archive/html/emacs-devel/2011-08/msg00322.html
97 lines
3.3 KiB
EmacsLisp
97 lines
3.3 KiB
EmacsLisp
;;; ob-clojure.el --- org-babel functions for clojure evaluation
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;; Copyright (C) 2009-2011 Free Software Foundation, Inc.
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;; Author: Joel Boehland, 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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;;; support for evaluating clojure code, relies on slime for all eval
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;;; Requirements:
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;;; - clojure (at least 1.2.0)
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;;; - clojure-mode
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;;; - slime
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;;; - swank-clojure
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;;; By far, the best way to install these components is by following
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;;; the directions as set out by Phil Hagelberg (Technomancy) on the
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;;; web page: http://technomancy.us/126
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;;; Code:
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(require 'ob)
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(declare-function slime-eval "ext:slime" (sexp &optional package))
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("clojure" . "clj"))
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(defvar org-babel-default-header-args:clojure '())
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(defvar org-babel-header-arg-names:clojure '(package))
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(defun org-babel-expand-body:clojure (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 (org-babel-trim
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(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 (quote %S)" (car var) (cdr var)))
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vars "\n ")
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"]\n" body ")")
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body))))
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(cond ((or (member "code" result-params) (member "pp" result-params))
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(format (concat "(let [org-mode-print-catcher (java.io.StringWriter.)] "
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"(clojure.pprint/with-pprint-dispatch clojure.pprint/%s-dispatch "
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"(clojure.pprint/pprint (do %s) org-mode-print-catcher) "
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"(str org-mode-print-catcher)))")
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(if (member "code" result-params) "code" "simple") body))
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;; if (:results output), collect printed output
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((member "output" result-params)
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(format "(clojure.core/with-out-str %s)" body))
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(t body))))
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(defun org-babel-execute:clojure (body params)
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"Execute a block of Clojure code with Babel."
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(require 'slime) (require 'swank-clojure)
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(with-temp-buffer
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(insert (org-babel-expand-body:clojure body params))
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((lambda (result)
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(let ((result-params (cdr (assoc :result-params params))))
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(if (or (member "scalar" result-params)
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(member "verbatim" result-params))
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result
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(condition-case nil (org-babel-script-escape result)
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(error result)))))
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(slime-eval
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`(swank:interactive-eval-region
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,(buffer-substring-no-properties (point-min) (point-max)))
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(cdr (assoc :package params))))))
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(provide 'ob-clojure)
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;;; ob-clojure.el ends here
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