drastically simplified ob-clojure using slime for all evaluation
* lisp/ob-clojure.el (org-babel-execute:clojure): Remade using slime for all code evaluation. (org-babel-expand-body:clojure): Remade in the image of `org-babel-expand-body:emacs-lisp'.
This commit is contained in:
Eric Schulte
parent
6e98e5dd0f
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a657b6f2a3
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@ -2,7 +2,7 @@
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;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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;; Author: Joel Boehland
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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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;; Version: 7.3
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@ -24,14 +24,14 @@
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;;; Commentary:
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;;; ob support for evaluating clojure code
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;;; support for evaluating clojure code, relies on slime for all eval
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;;; Requirements:
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;;; A working clojure install. This also implies a working java executable
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;;; clojure-mode
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;;; slime
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;;; swank-clojure
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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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@ -39,277 +39,37 @@
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;;; Code:
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(require 'ob)
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(require 'ob-eval)
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(eval-when-compile (require 'cl))
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(declare-function slime-eval-async "ext:slime" (sexp &optional cont package))
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(declare-function slime-eval "ext:slime" (sexp &optional package))
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(declare-function swank-clojure-concat-paths "ext:slime" (paths))
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(declare-function slime "ext:slime" (&optional command coding-system))
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(declare-function slime-output-buffer "ext:slime" (&optional noprompt))
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(declare-function slime-filter-buffers "ext:slime" (predicate))
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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-clojure-wrapper-method
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"
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(defn spit
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[f content]
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(with-open [#^java.io.PrintWriter w
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(java.io.PrintWriter.
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(java.io.BufferedWriter.
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(java.io.OutputStreamWriter.
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(java.io.FileOutputStream.
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(java.io.File. f)))))]
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(.print w content)))
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(defn main
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[]
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%s)
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(spit \"%s\" (str (main)))")
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;;";; <-- syntax highlighting is messed without this double quote
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;;taken mostly from clojure-test-mode.el
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(defun org-babel-clojure-clojure-slime-eval (string &optional handler)
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"Evaluate a STRING of clojure code using `slime-eval-async'."
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(slime-eval-async `(swank:eval-and-grab-output ,string)
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(or handler #'identity)))
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(defun org-babel-clojure-slime-eval-sync (string)
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"Evaluate a STRING of clojure code using `slime-eval'."
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(slime-eval `(swank:eval-and-grab-output ,string)))
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;;taken from swank-clojure.el
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(defvar swank-clojure-binary)
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(defvar swank-clojure-classpath)
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(defvar swank-clojure-java-path)
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(defvar swank-clojure-extra-vm-args)
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(defvar swank-clojure-library-paths)
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(defvar swank-clojure-extra-classpaths)
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(defun org-babel-clojure-babel-clojure-cmd ()
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"Create the command to start clojure according to current settings."
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(or (when swank-clojure-binary
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(if (listp swank-clojure-binary)
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swank-clojure-binary
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(list swank-clojure-binary)))
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(when swank-clojure-classpath
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(delq
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nil
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(append
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(list swank-clojure-java-path)
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swank-clojure-extra-vm-args
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(list
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(when swank-clojure-library-paths
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(concat "-Djava.library.path="
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(swank-clojure-concat-paths swank-clojure-library-paths)))
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"-classpath"
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(swank-clojure-concat-paths
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(append
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swank-clojure-classpath
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swank-clojure-extra-classpaths))
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"clojure.main"))))
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(error "%s" (concat "You must specifiy either a `swank-clojure-binary' "
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"or a `swank-clojure-classpath'"))))
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(defun org-babel-clojure-table-or-string (results)
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"Convert RESULTS to an elisp value.
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If RESULTS looks like a table, then convert to an Emacs-lisp
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table, otherwise return the results as a string."
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(org-babel-read
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(if (string-match "^\\[.+\\]$" results)
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(org-babel-read
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(concat "'"
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(replace-regexp-in-string
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"\\[" "(" (replace-regexp-in-string
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"\\]" ")" (replace-regexp-in-string
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", " " " (replace-regexp-in-string
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"'" "\"" results))))))
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results)))
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(defun org-babel-clojure-var-to-clojure (var)
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"Convert an elisp value into a clojure variable.
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The elisp value VAR is converted into a string of clojure source
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code specifying a variable of the same value."
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(if (listp var)
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(format "'%s" var)
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(format "%S" var)))
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(defun org-babel-clojure-build-full-form (body vars)
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"Construct a clojure let form with VARS as the let variables."
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(let ((vars-forms
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(mapconcat ;; define any variables
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(lambda (pair)
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(format "%s %s"
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(car pair) (org-babel-clojure-var-to-clojure (cdr pair))))
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vars "\n "))
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(body (org-babel-trim body)))
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(if (> (length vars-forms) 0)
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(format "(let [%s]\n %s)" vars-forms body)
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body)))
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(defun org-babel-prep-session:clojure (session params)
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"Prepare SESSION according to the header arguments specified in PARAMS."
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(require 'slime) (require 'swank-clojure)
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(let* ((session-buf (org-babel-clojure-initiate-session session))
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(vars (mapcar #'cdr (org-babel-get-header params :var)))
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(var-lines (mapcar ;; define any top level session variables
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(lambda (pair)
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(format "(def %s %s)\n" (car pair)
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(org-babel-clojure-var-to-clojure (cdr pair))))
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vars)))
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session-buf))
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(defun org-babel-load-session:clojure (session body params)
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"Load BODY into SESSION."
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(require 'slime) (require 'swank-clojure)
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(save-window-excursion
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(let ((buffer (org-babel-prep-session:clojure session params)))
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(with-current-buffer buffer
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(goto-char (point-max))
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(insert (org-babel-chomp body)))
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buffer)))
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(defvar org-babel-clojure-buffers '())
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(defvar org-babel-clojure-pending-sessions '())
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(defun org-babel-clojure-session-buffer (session)
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"Return the buffer associated with SESSION."
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(cdr (assoc session org-babel-clojure-buffers)))
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(defun org-babel-clojure-initiate-session-by-key (&optional session)
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"Initiate a clojure session in an inferior-process-buffer.
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If there is not a current inferior-process-buffer in SESSION
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then create one. Return the initialized session."
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(save-window-excursion
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(let* ((session (if session
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(if (stringp session) (intern session)
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session)
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:default))
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(clojure-buffer (org-babel-clojure-session-buffer session)))
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(unless (and clojure-buffer (buffer-live-p clojure-buffer))
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(setq org-babel-clojure-buffers
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(assq-delete-all session org-babel-clojure-buffers))
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(push session org-babel-clojure-pending-sessions)
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(slime)
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;; we are waiting to finish setting up which will be done in
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;; org-babel-clojure-session-connected-hook below.
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(let ((timeout 9))
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(while (and (not (org-babel-clojure-session-buffer session))
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(< 0 timeout))
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(message "Waiting for clojure repl for session: %s ... %i"
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session timeout)
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(sit-for 1)
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(decf timeout)))
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(setq org-babel-clojure-pending-sessions
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(remove session org-babel-clojure-pending-sessions))
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(unless (org-babel-clojure-session-buffer session)
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(error "Couldn't create slime clojure process"))
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(setq clojure-buffer (org-babel-clojure-session-buffer session)))
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session)))
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(defun org-babel-clojure-initiate-session (&optional session params)
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"Return the slime-clojure repl buffer bound to SESSION.
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Returns nil if \"none\" is specified."
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(require 'slime) (require 'swank-clojure)
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(unless (and (stringp session) (string= session "none"))
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(org-babel-clojure-session-buffer
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(org-babel-clojure-initiate-session-by-key session))))
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(defun org-babel-clojure-session-connected-hook ()
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"Finish binding an org-babel session to a slime-clojure repl."
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(let ((pending-session (pop org-babel-clojure-pending-sessions)))
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(when pending-session
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(save-excursion
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(switch-to-buffer (slime-output-buffer))
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(rename-buffer
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(if (stringp pending-session)
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pending-session (symbol-name pending-session)))
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(org-babel-clojure-bind-session-to-repl-buffer
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pending-session (slime-output-buffer))))))
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(add-hook 'slime-connected-hook 'org-babel-clojure-session-connected-hook)
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(defun org-babel-clojure-bind-session-to-repl-buffer (session repl-buffer)
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"Associate SESSION with REPL-BUFFER."
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(when (stringp session) (setq session (intern session)))
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(setq org-babel-clojure-buffers
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(cons (cons session repl-buffer)
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(assq-delete-all session org-babel-clojure-buffers))))
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(defun org-babel-clojure-repl-buffer-pred ()
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"Test whether the current buffer is an active slime-clojure
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repl buffer."
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(and (buffer-live-p (current-buffer)) (eq major-mode 'slime-repl-mode)))
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(defun org-babel-clojure-bind-session-to-repl (session)
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"Bind SESSION to a clojure repl."
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(interactive "sEnter session name: ")
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(let ((repl-bufs (slime-filter-buffers 'org-babel-clojure-repl-buffer-pred)))
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(unless repl-bufs (error "No existing slime-clojure repl buffers exist"))
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(let ((repl-buf (read-buffer "Choose slime-clojure repl: " repl-bufs t)))
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(org-babel-clojure-bind-session-to-repl-buffer session repl-buf))))
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(defun org-babel-clojure-evaluate-external-process
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(buffer body &optional result-type)
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"Evaluate the body in an external process."
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(let ((cmd (format "%s -" (mapconcat #'identity
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(org-babel-clojure-babel-clojure-cmd)
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" "))))
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(case result-type
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(output (org-babel-eval cmd body))
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(value (let* ((tmp-file (org-babel-temp-file "clojure-")))
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(org-babel-eval
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cmd
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(format
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org-babel-clojure-wrapper-method
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body
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(org-babel-process-file-name tmp-file 'noquote)))
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(org-babel-clojure-table-or-string
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(org-babel-eval-read-file tmp-file)))))))
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(defun org-babel-clojure-evaluate-session (buffer body &optional result-type)
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"Evaluate the body in the context of a clojure session."
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(require 'slime) (require 'swank-clojure)
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(let ((raw nil)
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(results nil))
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(with-current-buffer buffer
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(setq raw (org-babel-clojure-slime-eval-sync body))
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(setq results (reverse (mapcar #'org-babel-trim raw)))
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(cond
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((equal result-type 'output)
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(mapconcat #'identity (reverse (cdr results)) "\n"))
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((equal result-type 'value)
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(org-babel-clojure-table-or-string (car results)))))))
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(defun org-babel-clojure-evaluate (buffer body &optional result-type)
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"Pass BODY to the Clojure process in BUFFER.
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If RESULT-TYPE equals 'output then return a list of the outputs
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of the statements in BODY, if RESULT-TYPE equals 'value then
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return the value of the last statement in BODY as elisp."
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(if buffer
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(org-babel-clojure-evaluate-session buffer body result-type)
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(org-babel-clojure-evaluate-external-process buffer body result-type)))
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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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(org-babel-clojure-build-full-form
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body (mapcar #'cdr (org-babel-get-header params :var))))
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(let* ((vars (mapcar #'cdr (org-babel-get-header params :var)))
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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 (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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body))
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(defun org-babel-execute:clojure (body params)
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"Execute a block of Clojure code."
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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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(let* ((body (org-babel-expand-body:clojure body params))
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(session (org-babel-clojure-initiate-session
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(cdr (assoc :session params)))))
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(org-babel-reassemble-table
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(org-babel-clojure-evaluate session body (cdr (assoc :result-type params)))
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(org-babel-pick-name
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(cdr (assoc :colname-names params)) (cdr (assoc :colnames params)))
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(org-babel-pick-name
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(cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))))
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(with-temp-buffer
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(insert (org-babel-expand-body:clojure body params))
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(read
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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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