From 7697fa4daf3ec84f85711a84035d8f0224afd4e3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=A9bastien=20Delafond?= Date: Sun, 13 Jul 2014 13:35:01 +0200 Subject: Imported Upstream version 7.9.2 --- lisp/ob-ruby.el | 245 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 245 insertions(+) create mode 100644 lisp/ob-ruby.el (limited to 'lisp/ob-ruby.el') diff --git a/lisp/ob-ruby.el b/lisp/ob-ruby.el new file mode 100644 index 0000000..54077d0 --- /dev/null +++ b/lisp/ob-ruby.el @@ -0,0 +1,245 @@ +;;; ob-ruby.el --- org-babel functions for ruby evaluation + +;; Copyright (C) 2009-2012 Free Software Foundation, Inc. + +;; Author: Eric Schulte +;; 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 . + +;;; Commentary: + +;; Org-Babel support for evaluating ruby source code. + +;;; Requirements: + +;; - ruby and irb executables :: http://www.ruby-lang.org/ +;; +;; - ruby-mode :: Can be installed through ELPA, or from +;; http://github.com/eschulte/rinari/raw/master/util/ruby-mode.el +;; +;; - inf-ruby mode :: Can be installed through ELPA, or from +;; http://github.com/eschulte/rinari/raw/master/util/inf-ruby.el + +;;; Code: +(require 'ob) +(require 'ob-ref) +(require 'ob-comint) +(require 'ob-eval) +(eval-when-compile (require 'cl)) + +(declare-function run-ruby "ext:inf-ruby" (&optional command name)) +(declare-function xmp "ext:rcodetools" (&optional option)) + +(defvar org-babel-tangle-lang-exts) +(add-to-list 'org-babel-tangle-lang-exts '("ruby" . "rb")) + +(defvar org-babel-default-header-args:ruby '()) + +(defvar org-babel-ruby-command "ruby" + "Name of command to use for executing ruby code.") + +(defun org-babel-execute:ruby (body params) + "Execute a block of Ruby code with Babel. +This function is called by `org-babel-execute-src-block'." + (let* ((session (org-babel-ruby-initiate-session + (cdr (assoc :session params)))) + (result-params (cdr (assoc :result-params params))) + (result-type (cdr (assoc :result-type params))) + (full-body (org-babel-expand-body:generic + body params (org-babel-variable-assignments:ruby params))) + (result (if (member "xmp" result-params) + (with-temp-buffer + (require 'rcodetools) + (insert full-body) + (xmp (cdr (assoc :xmp-option params))) + (buffer-string)) + (org-babel-ruby-evaluate + session full-body result-type result-params)))) + (org-babel-reassemble-table + result + (org-babel-pick-name (cdr (assoc :colname-names params)) + (cdr (assoc :colnames params))) + (org-babel-pick-name (cdr (assoc :rowname-names params)) + (cdr (assoc :rownames params)))))) + +(defun org-babel-prep-session:ruby (session params) + "Prepare SESSION according to the header arguments specified in PARAMS." + ;; (message "params=%S" params) ;; debugging + (let* ((session (org-babel-ruby-initiate-session session)) + (var-lines (org-babel-variable-assignments:ruby params))) + (org-babel-comint-in-buffer session + (sit-for .5) (goto-char (point-max)) + (mapc (lambda (var) + (insert var) (comint-send-input nil t) + (org-babel-comint-wait-for-output session) + (sit-for .1) (goto-char (point-max))) var-lines)) + session)) + +(defun org-babel-load-session:ruby (session body params) + "Load BODY into SESSION." + (save-window-excursion + (let ((buffer (org-babel-prep-session:ruby session params))) + (with-current-buffer buffer + (goto-char (process-mark (get-buffer-process (current-buffer)))) + (insert (org-babel-chomp body))) + buffer))) + +;; helper functions + +(defun org-babel-variable-assignments:ruby (params) + "Return list of ruby statements assigning the block's variables." + (mapcar + (lambda (pair) + (format "%s=%s" + (car pair) + (org-babel-ruby-var-to-ruby (cdr pair)))) + (mapcar #'cdr (org-babel-get-header params :var)))) + +(defun org-babel-ruby-var-to-ruby (var) + "Convert VAR into a ruby variable. +Convert an elisp value into a string of ruby source code +specifying a variable of the same value." + (if (listp var) + (concat "[" (mapconcat #'org-babel-ruby-var-to-ruby var ", ") "]") + (format "%S" var))) + +(defun org-babel-ruby-table-or-string (results) + "Convert RESULTS into an appropriate elisp value. +If RESULTS look like a table, then convert them into an +Emacs-lisp table, otherwise return the results as a string." + (org-babel-script-escape results)) + +(defun org-babel-ruby-initiate-session (&optional session params) + "Initiate a ruby session. +If there is not a current inferior-process-buffer in SESSION +then create one. Return the initialized session." + (unless (string= session "none") + (require 'inf-ruby) + (let ((session-buffer (save-window-excursion + (run-ruby nil session) (current-buffer)))) + (if (org-babel-comint-buffer-livep session-buffer) + (progn (sit-for .25) session-buffer) + (sit-for .5) + (org-babel-ruby-initiate-session session))))) + +(defvar org-babel-ruby-eoe-indicator ":org_babel_ruby_eoe" + "String to indicate that evaluation has completed.") +(defvar org-babel-ruby-f-write + "File.open('%s','w'){|f| f.write((_.class == String) ? _ : _.inspect)}") +(defvar org-babel-ruby-pp-f-write + "File.open('%s','w'){|f| $stdout = f; pp(results); $stdout = orig_out}") +(defvar org-babel-ruby-wrapper-method + " +def main() +%s +end +results = main() +File.open('%s', 'w'){ |f| f.write((results.class == String) ? results : results.inspect) } +") +(defvar org-babel-ruby-pp-wrapper-method + " +require 'pp' +def main() +%s +end +results = main() +File.open('%s', 'w') do |f| + $stdout = f + pp results +end +") + +(defun org-babel-ruby-evaluate + (buffer body &optional result-type result-params) + "Pass BODY to the Ruby process in BUFFER. +If RESULT-TYPE equals 'output then return a list of the outputs +of the statements in BODY, if RESULT-TYPE equals 'value then +return the value of the last statement in BODY, as elisp." + (if (not buffer) + ;; external process evaluation + (case result-type + (output (org-babel-eval org-babel-ruby-command body)) + (value (let ((tmp-file (org-babel-temp-file "ruby-"))) + (org-babel-eval + org-babel-ruby-command + (format (if (member "pp" result-params) + org-babel-ruby-pp-wrapper-method + org-babel-ruby-wrapper-method) + body (org-babel-process-file-name tmp-file 'noquote))) + ((lambda (raw) + (if (or (member "code" result-params) + (member "pp" result-params)) + raw + (org-babel-ruby-table-or-string raw))) + (org-babel-eval-read-file tmp-file))))) + ;; comint session evaluation + (case result-type + (output + (mapconcat + #'identity + (butlast + (split-string + (mapconcat + #'org-babel-trim + (butlast + (org-babel-comint-with-output + (buffer org-babel-ruby-eoe-indicator t body) + (mapc + (lambda (line) + (insert (org-babel-chomp line)) (comint-send-input nil t)) + (list body org-babel-ruby-eoe-indicator)) + (comint-send-input nil t)) 2) + "\n") "[\r\n]")) "\n")) + (value + ((lambda (results) + (if (or (member "code" result-params) (member "pp" result-params)) + results + (org-babel-ruby-table-or-string results))) + (let* ((tmp-file (org-babel-temp-file "ruby-")) + (ppp (or (member "code" result-params) + (member "pp" result-params)))) + (org-babel-comint-with-output + (buffer org-babel-ruby-eoe-indicator t body) + (when ppp (insert "require 'pp';") (comint-send-input nil t)) + (mapc + (lambda (line) + (insert (org-babel-chomp line)) (comint-send-input nil t)) + (append + (list body) + (if (not ppp) + (list (format org-babel-ruby-f-write + (org-babel-process-file-name tmp-file 'noquote))) + (list + "results=_" "require 'pp'" "orig_out = $stdout" + (format org-babel-ruby-pp-f-write + (org-babel-process-file-name tmp-file 'noquote)))) + (list org-babel-ruby-eoe-indicator))) + (comint-send-input nil t)) + (org-babel-eval-read-file tmp-file))))))) + +(defun org-babel-ruby-read-string (string) + "Strip \\\"s from around a ruby string." + (if (string-match "^\"\\([^\000]+\\)\"$" string) + (match-string 1 string) + string)) + +(provide 'ob-ruby) + + + +;;; ob-ruby.el ends here -- cgit v1.2.3