Update copyright year to 2016

[gnu-emacs] / lisp / org / ob-clojure.el

diff --git a/lisp/org/ob-clojure.el b/lisp/org/ob-clojure.el
index 9ec8a5782bd901de974382868c3950c6bf97c6bc..c2b76c55b3cade4fd7d70b1f027ee782b0410bd2 100644 (file)
--- a/lisp/org/ob-clojure.el
+++ b/lisp/org/ob-clojure.el
@@ -1,11 +1,11 @@
 ;;; ob-clojure.el --- org-babel functions for clojure evaluation
 
-;; Copyright (C) 2009, 2010, 2011  Free Software Foundation, Inc.
+;; Copyright (C) 2009-2016 Free Software Foundation, Inc.
 
-;; Author: Joel Boehland, Eric Schulte
+;; Author: Joel Boehland
+;;     Eric Schulte
 ;; Keywords: literate programming, reproducible research
 ;; Homepage: http://orgmode.org
-;; Version: 7.4
 
 ;; This file is part of GNU Emacs.
 
@@ -24,28 +24,28 @@
 
 ;;; Commentary:
 
-;;; support for evaluating clojure code, relies on slime for all eval
+;; Support for evaluating clojure code, relies on slime for all eval.
 
 ;;; Requirements:
 
-;;; - clojure (at least 1.2.0)
-;;; - clojure-mode
-;;; - slime
-;;; - swank-clojure
+;; - clojure (at least 1.2.0)
+;; - clojure-mode
+;; - slime
 
-;;; By far, the best way to install these components is by following
-;;; the directions as set out by Phil Hagelberg (Technomancy) on the
-;;; web page: http://technomancy.us/126
+;; By far, the best way to install these components is by following
+;; the directions as set out by Phil Hagelberg (Technomancy) on the
+;; web page: http://technomancy.us/126
 
 ;;; 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 '("clojure" . "clj"))
 
 (defvar org-babel-default-header-args:clojure '())
-(defvar org-babel-header-arg-names:clojure '(package))
+(defvar org-babel-header-args:clojure '((package . :any)))
 
 (defun org-babel-expand-body:clojure (body params)
   "Expand BODY according to PARAMS, return the expanded body."
@@ -61,27 +61,35 @@
                             vars "\n      ")
                            "]\n" body ")")
                  body))))
-    (if (or (member "code" result-params)
-           (member "pp" result-params))
-       (format (concat "(let [org-mode-print-catcher (java.io.StringWriter.)]"
-                       "(clojure.pprint/with-pprint-dispatch %s-dispatch"
-                       "(clojure.pprint/pprint %s org-mode-print-catcher)"
-                       "(str org-mode-print-catcher)))")
-               (if (member "code" result-params) "code" "simple") body)
-      body)))
+    (cond ((or (member "code" result-params) (member "pp" result-params))
+          (format (concat "(let [org-mode-print-catcher (java.io.StringWriter.)] "
+                          "(clojure.pprint/with-pprint-dispatch clojure.pprint/%s-dispatch "
+                          "(clojure.pprint/pprint (do %s) org-mode-print-catcher) "
+                          "(str org-mode-print-catcher)))")
+                  (if (member "code" result-params) "code" "simple") body))
+         ;; if (:results output), collect printed output
+         ((member "output" result-params)
+          (format "(clojure.core/with-out-str %s)" body))
+         (t body))))
 
 (defun org-babel-execute:clojure (body params)
   "Execute a block of Clojure code with Babel."
-  (require 'slime) (require 'swank-clojure)
+  (require 'slime)
   (with-temp-buffer
     (insert (org-babel-expand-body:clojure body params))
-    (read
-     (slime-eval
-      `(swank:interactive-eval-region
-        ,(buffer-substring-no-properties (point-min) (point-max)))
-      (cdr (assoc :package params))))))
+    (let ((result
+           (slime-eval
+            `(swank:eval-and-grab-output
+              ,(buffer-substring-no-properties (point-min) (point-max)))
+            (cdr (assoc :package params)))))
+      (let ((result-params (cdr (assoc :result-params params))))
+        (org-babel-result-cond result-params
+          result
+          (condition-case nil (org-babel-script-escape result)
+            (error result)))))))
 
 (provide 'ob-clojure)
 
 
+
 ;;; ob-clojure.el ends here