forked from mirrors/org-mode
ecf3a4af2c
Add changes from Emacs repo that should have been backported with
bb77dd2.
Update copyright year to 2015
7e09ef09a479731d01b1ca46e94ddadd73ac98e3
Paul Eggert
Thu Jan 1 14:26:41 2015 -0800
116 lines
3.6 KiB
EmacsLisp
116 lines
3.6 KiB
EmacsLisp
;;; ob-clojure.el --- org-babel functions for clojure evaluation
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;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
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;; Author: Joel Boehland, Eric Schulte, Oleh Krehel
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;;
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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
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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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;; - either cider or SLIME
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;; For Cider, see https://github.com/clojure-emacs/cider
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;; For SLIME, 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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(eval-when-compile
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(require 'cl))
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(declare-function nrepl-dict-get "ext:nrepl-client" (dict key))
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(declare-function nrepl-sync-request:eval "ext:nrepl-client" (input &optional ns session))
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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-args:clojure '((package . :any)))
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(defcustom org-babel-clojure-backend
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(cond ((featurep 'cider) 'cider)
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(t 'slime))
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"Backend used to evaluate Clojure code blocks."
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:group 'org-babel
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:type '(choice
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(const :tag "cider" cider)
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(const :tag "SLIME" slime)))
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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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(if (or (member "code" result-params)
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(member "pp" result-params))
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(format "(clojure.pprint/pprint (do %s))" body)
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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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(let ((expanded (org-babel-expand-body:clojure body params))
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result)
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(case org-babel-clojure-backend
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(cider
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(require 'cider)
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(let ((result-params (cdr (assoc :result-params params))))
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(setq result
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(nrepl-dict-get
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(nrepl-sync-request:eval expanded)
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(if (or (member "output" result-params)
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(member "pp" result-params))
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"out"
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"value")))))
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(slime
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(require 'slime)
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(with-temp-buffer
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(insert expanded)
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(setq result
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(slime-eval
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`(swank:eval-and-grab-output
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,(buffer-substring-no-properties (point-min) (point-max)))
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(cdr (assoc :package params)))))))
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(org-babel-result-cond (cdr (assoc :result-params 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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(provide 'ob-clojure)
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;;; ob-clojure.el ends here
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