forked from mirrors/org-mode
141 lines
4.6 KiB
EmacsLisp
141 lines
4.6 KiB
EmacsLisp
;;; ob-J.el --- org-babel functions for J evaluation
|
|
|
|
;; Copyright (C) 2011-2013 Free Software Foundation, Inc.
|
|
|
|
;; Author: Oleh Krehel
|
|
;; Keywords: literate programming, reproducible research
|
|
;; Homepage: http://orgmode.org
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; 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 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. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; Session interaction depends on `j-console'.
|
|
|
|
;;; Code:
|
|
(require 'ob)
|
|
|
|
(defun org-babel-expand-body:J (body params &optional processed-params)
|
|
"Expand BODY according to PARAMS, return the expanded body.
|
|
PROCESSED-PARAMS isn't used yet."
|
|
(org-babel-J-interleave-echos-except-functions body))
|
|
|
|
(defun org-babel-J-interleave-echos (body)
|
|
"Interleave echo'' between each source line of BODY."
|
|
(mapconcat #'identity (split-string body "\n") "\necho''\n"))
|
|
|
|
(defun org-babel-J-interleave-echos-except-functions (body)
|
|
"Interleave echo'' between source lines of BODY that aren't functions."
|
|
(if (obj-string-match-m "\\(?:^\\|\n\\)[^\n]*\\(?:1\\|2\\|3\\|4\\) : 0\n.*)" body)
|
|
(let ((s1 (substring body 0 (match-beginning 0)))
|
|
(s2 (match-string 0 body))
|
|
(s3 (substring body (match-end 0))))
|
|
(concat
|
|
(org-babel-J-interleave-echos s1)
|
|
"\necho''\n"
|
|
s2
|
|
(org-babel-J-interleave-echos-except-functions s3)))
|
|
(org-babel-J-interleave-echos body)))
|
|
|
|
(defun org-babel-execute:J (body params)
|
|
"Execute a block of J code BODY.
|
|
PARAMS are given by org-babel.
|
|
This function is called by `org-babel-execute-src-block'"
|
|
(message "executing J source code block")
|
|
(let* ((processed-params (org-babel-process-params params))
|
|
(sessionp (cdr (assoc :session params)))
|
|
(session (org-babel-j-initiate-session sessionp))
|
|
(vars (second processed-params))
|
|
(result-params (third processed-params))
|
|
(result-type (fourth processed-params))
|
|
(full-body (org-babel-expand-body:J
|
|
body params processed-params))
|
|
(tmp-script-file (org-babel-temp-file "J-src")))
|
|
(org-babel-J-strip-whitespace
|
|
(if (string= sessionp "none")
|
|
(progn
|
|
(with-temp-file tmp-script-file
|
|
(insert full-body))
|
|
(org-babel-eval (format "jconsole < %s" tmp-script-file) ""))
|
|
(org-babel-J-eval-string full-body)))))
|
|
|
|
(defun org-babel-J-eval-string (str)
|
|
"Sends STR to the `j-console-cmd' session and exectues it."
|
|
(let ((session (j-console-ensure-session)))
|
|
(with-current-buffer (process-buffer session)
|
|
(goto-char (point-max))
|
|
(insert (format "\n%s\n" str))
|
|
(let ((beg (point)))
|
|
(comint-send-input)
|
|
(sit-for .1)
|
|
(buffer-substring-no-properties
|
|
beg (point-max))))))
|
|
|
|
(defun org-babel-J-strip-whitespace (str)
|
|
"Remove whitespace from jconsole output STR."
|
|
(let ((strs (split-string str "\n" t))
|
|
out cur s)
|
|
(while (setq s (pop strs))
|
|
(if (string-match "^ *$" s)
|
|
(progn (push (nreverse cur) out)
|
|
(setq cur))
|
|
(push s cur)))
|
|
(mapconcat #'org-babel-J-print-block
|
|
(delq nil (nreverse out))
|
|
"\n\n")))
|
|
|
|
(defun org-babel-J-print-block (x)
|
|
"Prettify jconsole output X."
|
|
(if (= 1 (length x))
|
|
(obj-strip-leading-ws (car x))
|
|
;; assume only first row is misaligned
|
|
(let ((n1 (obj-match-second-space (car x)))
|
|
(n2 (obj-match-second-space (cadr x))))
|
|
(setcar
|
|
x
|
|
(if (and n1 n2)
|
|
(substring (car x) (- n1 n2))
|
|
(obj-strip-leading-ws (car x))))
|
|
(mapconcat #'identity x "\n"))))
|
|
|
|
(defun obj-match-second-space (s)
|
|
"Return position of second space in S or nil."
|
|
(and (string-match "^ *[^ ]+\\( \\)" s)
|
|
(match-beginning 1)))
|
|
|
|
(defun obj-strip-leading-ws (s)
|
|
"String leading whitespace from S."
|
|
(and (string-match "^ *\\([^ ].*\\)" s)
|
|
(match-string 1 s)))
|
|
|
|
(defun obj-string-match-m (regexp string &optional start)
|
|
"Like `sting-match', only .* includes newlines too."
|
|
(string-match
|
|
(replace-regexp-in-string "\\.\\*" "[\0-\377[:nonascii:]]*" regexp)
|
|
string
|
|
start))
|
|
|
|
(defun org-babel-j-initiate-session (&optional session)
|
|
"Initiate a J session.
|
|
SESSION is a parameter given by org-babel."
|
|
(unless (string= session "none")
|
|
(require 'j-console)
|
|
(j-console-ensure-session)))
|
|
|
|
(provide 'ob-J)
|
|
|
|
;;; ob-J.el ends here
|