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* lisp/org-compat.el (org-assert-version): New macro comparing Org version at compile time and laod time. Add `org-assert-version' call to all files: * lisp/org-macs.el: * lisp/org-crypt.el: * lisp/org-ctags.el: * lisp/org-cycle.el: * lisp/org-datetree.el: * lisp/org-duration.el: * lisp/org-element.el (avl-tree): * lisp/org-entities.el: * lisp/org-faces.el: * lisp/org-feed.el: * lisp/org-fold-core.el: * lisp/org-fold.el: * lisp/org-footnote.el: * lisp/org-goto.el: * lisp/org-habit.el: * lisp/org-id.el: * lisp/org-indent.el: * lisp/org-inlinetask.el: * lisp/org-keys.el: * lisp/org-lint.el: * lisp/org-list.el: * lisp/org-macro.el: * lisp/org-mobile.el: * lisp/org-mouse.el: * lisp/org-num.el: * lisp/org-pcomplete.el: * lisp/org-persist.el: * lisp/org-plot.el: * lisp/org-protocol.el: * lisp/org-refile.el: * lisp/org-src.el: * lisp/org-table.el: * lisp/org-tempo.el: * lisp/org-timer.el: * lisp/org.el: * lisp/ox-ascii.el: * lisp/ox-beamer.el: * lisp/ox-html.el: * lisp/ox-icalendar.el: * lisp/ox-koma-letter.el: * lisp/ox-latex.el: * lisp/ox-man.el: * lisp/ox-md.el: * lisp/ox-odt.el: * lisp/ox-org.el: * lisp/ox-publish.el: * lisp/ox-texinfo.el: * lisp/ox.el:
284 lines
9.6 KiB
EmacsLisp
284 lines
9.6 KiB
EmacsLisp
;;; ob-ruby.el --- Babel Functions for Ruby -*- lexical-binding: t; -*-
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;; Copyright (C) 2009-2022 Free Software Foundation, Inc.
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;; Author: Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; URL: https://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs 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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for evaluating ruby source code.
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;;; Requirements:
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;; - ruby and irb executables :: https://www.ruby-lang.org/
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;;
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;; - ruby-mode :: Can be installed through ELPA, or from
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;; https://github.com/eschulte/rinari/raw/master/util/ruby-mode.el
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;;
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;; - inf-ruby mode :: Can be installed through ELPA, or from
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;; https://github.com/eschulte/rinari/raw/master/util/inf-ruby.el
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;;; Code:
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(require 'org-macs)
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(org-assert-version)
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(require 'ob)
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(require 'org-macs)
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(declare-function run-ruby-or-pop-to-buffer "ext:inf-ruby" (command &optional name buffer))
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(declare-function inf-ruby-buffer "ext:inf-ruby" ())
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(declare-function xmp "ext:rcodetools" (&optional option))
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(defvar inf-ruby-default-implementation)
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(defvar inf-ruby-implementations)
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("ruby" . "rb"))
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(defvar org-babel-default-header-args:ruby '())
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(defvar org-babel-ruby-command "ruby"
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"Name of command to use for executing ruby code.
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It's possible to override it by using a header argument `:ruby'")
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(defcustom org-babel-ruby-hline-to "nil"
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"Replace hlines in incoming tables with this when translating to ruby."
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:group 'org-babel
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:version "24.4"
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:package-version '(Org . "8.0")
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:type 'string)
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(defcustom org-babel-ruby-nil-to 'hline
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"Replace nil in ruby tables with this before returning."
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:group 'org-babel
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:version "24.4"
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:package-version '(Org . "8.0")
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:type 'symbol)
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(defun org-babel-execute:ruby (body params)
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"Execute a block of Ruby code with Babel.
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This function is called by `org-babel-execute-src-block'."
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(let* ((session (org-babel-ruby-initiate-session
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(cdr (assq :session params)) params))
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(result-params (cdr (assq :result-params params)))
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(result-type (cdr (assq :result-type params)))
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(org-babel-ruby-command
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(or (cdr (assq :ruby params))
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org-babel-ruby-command))
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(full-body (org-babel-expand-body:generic
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body params (org-babel-variable-assignments:ruby params)))
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(result (if (member "xmp" result-params)
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(with-temp-buffer
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(require 'rcodetools)
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(insert full-body)
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(xmp (cdr (assq :xmp-option params)))
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(buffer-string))
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(org-babel-ruby-evaluate
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session full-body result-type result-params))))
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(org-babel-reassemble-table
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(org-babel-result-cond result-params
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result
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(org-babel-ruby-table-or-string result))
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(org-babel-pick-name (cdr (assq :colname-names params))
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(cdr (assq :colnames params)))
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(org-babel-pick-name (cdr (assq :rowname-names params))
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(cdr (assq :rownames params))))))
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(defun org-babel-prep-session:ruby (session params)
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"Prepare SESSION according to the header arguments specified in PARAMS."
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;; (message "params=%S" params) ;; debugging
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(let* ((session (org-babel-ruby-initiate-session session))
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(var-lines (org-babel-variable-assignments:ruby params)))
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(org-babel-comint-in-buffer session
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(sit-for .5) (goto-char (point-max))
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(mapc (lambda (var)
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(insert var) (comint-send-input nil t)
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(org-babel-comint-wait-for-output session)
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(sit-for .1) (goto-char (point-max)))
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var-lines))
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session))
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(defun org-babel-load-session:ruby (session body params)
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"Load BODY into SESSION."
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(save-window-excursion
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(let ((buffer (org-babel-prep-session:ruby session params)))
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(with-current-buffer buffer
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(goto-char (process-mark (get-buffer-process (current-buffer))))
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(insert (org-babel-chomp body)))
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buffer)))
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;; helper functions
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(defun org-babel-variable-assignments:ruby (params)
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"Return list of ruby statements assigning the block's variables."
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(mapcar
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(lambda (pair)
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(format "%s=%s"
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(car pair)
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(org-babel-ruby-var-to-ruby (cdr pair))))
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(org-babel--get-vars params)))
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(defun org-babel-ruby-var-to-ruby (var)
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"Convert VAR into a ruby variable.
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Convert an elisp value into a string of ruby source code
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specifying a variable of the same value."
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(if (listp var)
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(concat "[" (mapconcat #'org-babel-ruby-var-to-ruby var ", ") "]")
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(if (eq var 'hline)
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org-babel-ruby-hline-to
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(format "%S" var))))
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(defun org-babel-ruby-table-or-string (results)
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"Convert RESULTS into an appropriate elisp value.
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If RESULTS look like a table, then convert them into an
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Emacs-lisp table, otherwise return the results as a string."
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(let ((res (org-babel-script-escape results)))
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(if (listp res)
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(mapcar (lambda (el) (if (not el)
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org-babel-ruby-nil-to el))
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res)
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res)))
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(defun org-babel-ruby-initiate-session (&optional session params)
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"Initiate a ruby session.
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If there is not a current inferior-process-buffer in SESSION
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then create one. Return the initialized session."
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(unless (string= session "none")
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(require 'inf-ruby)
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(let* ((command (cdr (or (assq :ruby params)
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(assoc inf-ruby-default-implementation
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inf-ruby-implementations))))
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(buffer (get-buffer (format "*%s*" session)))
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(session-buffer (or buffer (save-window-excursion
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(run-ruby-or-pop-to-buffer
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(if (functionp command)
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(funcall command)
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command)
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(or session "ruby")
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(unless session
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(inf-ruby-buffer)))
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(current-buffer)))))
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(if (org-babel-comint-buffer-livep session-buffer)
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(progn (sit-for .25) session-buffer)
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(sit-for .5)
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(org-babel-ruby-initiate-session session)))))
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(defvar org-babel-ruby-eoe-indicator ":org_babel_ruby_eoe"
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"String to indicate that evaluation has completed.")
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(defvar org-babel-ruby-f-write
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"File.open('%s','w'){|f| f.write((_.class == String) ? _ : _.inspect)}")
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(defvar org-babel-ruby-pp-f-write
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"File.open('%s','w'){|f| $stdout = f; pp(results); $stdout = orig_out}")
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(defvar org-babel-ruby-wrapper-method
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"
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def main()
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%s
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end
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results = main()
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File.open('%s', 'w'){ |f| f.write((results.class == String) ? results : results.inspect) }
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")
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(defvar org-babel-ruby-pp-wrapper-method
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"
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require 'pp'
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def main()
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%s
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end
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results = main()
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File.open('%s', 'w') do |f|
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$stdout = f
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pp results
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end
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")
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(defun org-babel-ruby-evaluate
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(buffer body &optional result-type result-params)
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"Pass BODY to the Ruby process in BUFFER.
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If RESULT-TYPE equals `output' then return a list of the outputs
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of the statements in BODY, if RESULT-TYPE equals `value' then
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return the value of the last statement in BODY, as elisp."
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(if (not buffer)
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;; external process evaluation
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(pcase result-type
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(`output (org-babel-eval org-babel-ruby-command body))
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(`value (let ((tmp-file (org-babel-temp-file "ruby-")))
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(org-babel-eval
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org-babel-ruby-command
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(format (if (member "pp" result-params)
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org-babel-ruby-pp-wrapper-method
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org-babel-ruby-wrapper-method)
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body (org-babel-process-file-name tmp-file 'noquote)))
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(org-babel-eval-read-file tmp-file))))
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;; comint session evaluation
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(pcase result-type
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(`output
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(let ((eoe-string (format "puts \"%s\"" org-babel-ruby-eoe-indicator)))
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;; Force the session to be ready before the actual session
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;; code is run. There is some problem in comint that will
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;; sometimes show the prompt after the input has already
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;; been inserted and that throws off the extraction of the
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;; result for Babel.
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(org-babel-comint-with-output
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(buffer org-babel-ruby-eoe-indicator t eoe-string)
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(insert eoe-string) (comint-send-input nil t))
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;; Now we can start the evaluation.
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(mapconcat
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#'identity
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(butlast
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(split-string
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(mapconcat
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#'org-trim
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(org-babel-comint-with-output
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(buffer org-babel-ruby-eoe-indicator t body)
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(mapc
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(lambda (line)
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(insert (org-babel-chomp line)) (comint-send-input nil t))
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(list "conf.echo=false;_org_prompt_mode=conf.prompt_mode;conf.prompt_mode=:NULL"
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body
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"conf.prompt_mode=_org_prompt_mode;conf.echo=true"
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eoe-string)))
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"\n") "[\r\n]") 4) "\n")))
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(`value
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(let* ((tmp-file (org-babel-temp-file "ruby-"))
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(ppp (or (member "code" result-params)
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(member "pp" result-params))))
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(org-babel-comint-with-output
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(buffer org-babel-ruby-eoe-indicator t body)
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(when ppp (insert "require 'pp';") (comint-send-input nil t))
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(mapc
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(lambda (line)
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(insert (org-babel-chomp line)) (comint-send-input nil t))
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(append
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(list body)
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(if (not ppp)
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(list (format org-babel-ruby-f-write
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(org-babel-process-file-name tmp-file 'noquote)))
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(list
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"results=_" "require 'pp'" "orig_out = $stdout"
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(format org-babel-ruby-pp-f-write
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(org-babel-process-file-name tmp-file 'noquote))))
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(list org-babel-ruby-eoe-indicator)))
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(comint-send-input nil t))
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(org-babel-eval-read-file tmp-file))))))
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(provide 'ob-ruby)
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;;; ob-ruby.el ends here
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