105 lines
3.7 KiB
EmacsLisp
105 lines
3.7 KiB
EmacsLisp
;;; ob-lisp.el --- org-babel functions for Common Lisp
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;; Copyright (C) 2010 Free Software Foundation
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;; Author: David T. O'Toole <dto@gnu.org>, Eric Schulte
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;; Keywords: literate programming, reproducible research, lisp
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;; Homepage: http://orgmode.org
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;; Version: 0.01
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;;; License:
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;; This program 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, or (at your option)
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;; any later version.
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;;
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;; This program 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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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; Now working with SBCL for both session and external evaluation.
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;;
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;; This certainly isn't optimally robust, but it seems to be working
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;; for the basic use cases.
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;;; Requirements:
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;; Requires SLIME (Superior Lisp Interaction Mode for Emacs.)
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;; See http://common-lisp.net/project/slime/
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;;; Code:
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(require 'ob)
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(require 'ob-ref)
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(require 'ob-comint)
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(require 'ob-eval)
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(require 'slime)
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(defvar org-babel-default-header-args:lisp '()
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"Default header arguments for lisp code blocks.")
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(defcustom org-babel-lisp-cmd "sbcl --script"
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"Name of command used to evaluate lisp blocks.")
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(defun org-babel-expand-body:lisp (body params &optional processed-params)
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"Expand BODY according to PARAMS, return the expanded body."
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(let ((vars (nth 1 (or processed-params (org-babel-process-params params)))))
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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) (format "%S" (print `(,(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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(defun org-babel-execute:lisp (body params)
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"Execute a block of Lisp code with org-babel.
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This function is called by `org-babel-execute-src-block'"
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(message "executing Lisp source code block")
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(let* ((processed-params (org-babel-process-params params))
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(session (org-babel-lisp-initiate-session (first processed-params)))
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(result-type (fourth processed-params))
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(full-body (org-babel-expand-body:lisp body params processed-params)))
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(read
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(if session
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;; session evaluation
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(save-window-excursion
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(cadr (slime-eval `(swank:eval-and-grab-output ,full-body))))
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;; external evaluation
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(let ((script-file (make-temp-file "ob-lisp-script")))
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(with-temp-file script-file
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(insert
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;; return the value or the output
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(if (string= result-type "value")
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(format "(print %s)" full-body)
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full-body)))
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(org-babel-eval (format "%s %s" org-babel-lisp-cmd script-file) ""))))))
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;; This function should be used to assign any variables in params in
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;; the context of the session environment.
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(defun org-babel-prep-session:lisp (session params)
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"Prepare SESSION according to the header arguments specified in PARAMS."
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(error "not yet implemented"))
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(defun org-babel-lisp-initiate-session (&optional session)
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"If there is not a current inferior-process-buffer in SESSION
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then create. Return the initialized session."
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(unless (string= session "none")
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(save-window-excursion
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(or (slime-connected-p)
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(slime-process)))))
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(provide 'ob-lisp)
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;; arch-tag: 18086168-009f-4947-bbb5-3532375d851d
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;;; ob-lisp.el ends here
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