ob-lisp: rebuilt on top of ob-clojure

* lisp/ob-lisp.el (org-babel-expand-body:lisp): New body expansion
  wrapping the expression in either a let or progn, and possibly a
  pretty-print function invocation.
  (org-babel-execute:lisp): Greatly simplified method of executing
  lisp code blocks.

lisp/ob-lisp.el

@@ -1,35 +1,30 @@
-;;; ob-lisp.el --- org-babel functions for Common Lisp
+;;; ob-lisp.el --- org-babel functions for common lisp evaluation
 
-;; Copyright (C) 2010 Free Software Foundation
+;; Copyright (C) 2009, 2010, 2011  Free Software Foundation, Inc.
 
-;; Author: David T. O'Toole <dto@gnu.org>, Eric Schulte
-;; Keywords: literate programming, reproducible research, lisp
+;; Author: Joel Boehland, Eric Schulte, David T. O'Toole <dto@gnu.org>
+;; Keywords: literate programming, reproducible research
 ;; Homepage: http://orgmode.org
 ;; Version: 7.5
 
-;;; License:
+;; This file is part of GNU Emacs.
 
-;; This program is free software; you can redistribute it and/or modify
+;; 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, or (at your option)
-;; any later version.
-;;
-;; This program is distributed in the hope that it will be useful,
+;; 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; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
-;; Now working with SBCL for both session and external evaluation.
-;;
-;; This certainly isn't optimally robust, but it seems to be working
-;; for the basic use cases.
+;;; support for evaluating common lisp code, relies on slime for all eval
 
 ;;; Requirements:
 
@@ -38,73 +33,45 @@
 
 ;;; Code:
 (require 'ob)
-(require 'ob-ref)
-(require 'ob-comint)
-(require 'ob-eval)
 
 (declare-function slime-eval "ext:slime" (sexp &optional package))
-(declare-function slime-process "ext:slime" (&optional connection))
-(declare-function slime-connected-p "ext:slime" ())
 
-(defvar org-babel-default-header-args:lisp '()
-  "Default header arguments for lisp code blocks.")
+(add-to-list 'org-babel-tangle-lang-exts '("lisp" . "lisp"))
 
-(defcustom org-babel-lisp-cmd "sbcl --script"
-  "Name of command used to evaluate lisp blocks."
-  :group 'org-babel
-  :type 'string)
+(defvar org-babel-default-header-args:lisp '())
+(defvar org-babel-header-arg-names:lisp '(package))
 
 (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))))
-    (if (> (length vars) 0)
-        (concat "(let ("
-                (mapconcat
-                 (lambda (var) (format "%S" (print `(,(car var) ',(cdr var)))))
-                 vars "\n      ")
-                ")\n" 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 ")")
+		  (format "(progn %s)" 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 Lisp code with org-babel.
-This function is called by `org-babel-execute-src-block'"
+  "Execute a block of Common Lisp code with Babel."
   (require 'slime)
-  (message "executing Lisp source code block")
-  (let* ((session (org-babel-lisp-initiate-session
-		   (cdr (assoc :session params))))
-         (result-type (cdr (assoc :result-type params)))
-         (full-body (org-babel-expand-body:lisp body params)))
-    (read
-     (if session
-         ;; session evaluation
-         (save-window-excursion
-           (cadr (slime-eval `(swank:eval-and-grab-output ,full-body))))
-       ;; external evaluation
-       (let ((script-file (org-babel-temp-file "lisp-script-")))
-         (with-temp-file script-file
-           (insert
-            ;; return the value or the output
-            (if (string= result-type "value")
-                (format "(print %s)" full-body)
-              full-body)))
-         (org-babel-eval
-	  (format "%s %s" org-babel-lisp-cmd
-		  (org-babel-process-file-name script-file)) ""))))))
-
-;; This function should be used to assign any variables in params in
-;; the context of the session environment.
-(defun org-babel-prep-session:lisp (session params)
-  "Prepare SESSION according to the header arguments specified in PARAMS."
-  (error "not yet implemented"))
-
-(defun org-babel-lisp-initiate-session (&optional session)
-  "If there is not a current inferior-process-buffer in SESSION
-then create.  Return the initialized session."
-  (require 'slime)
-  (unless (string= session "none")
-    (save-window-excursion
-      (or (slime-connected-p)
-	  (slime-process)))))
+  (with-temp-buffer
+    (insert (org-babel-expand-body:lisp body params))
+    ((lambda (result)
+       (if (member "output" (cdr (assoc :result-params params)))
+	   (car result)
+	 (condition-case nil (read (cadr result)) (error (cadr result)))))
+     (slime-eval `(swank:eval-and-grab-output
+		   ,(buffer-substring-no-properties (point-min) (point-max)))
+		 (cdr (assoc :package params))))))
 
 (provide 'ob-lisp)