rcodetoolsの設定例

gistfile1.el

(setq load-path
      (cons "~/.emacs.d/site-lisp/elisp" load-path))
(require 'auto-complete)
(setq-default ac-sources '(ac-source-abbrev ac-source-words-in-buffer))
(global-auto-complete-mode t)
(setq ac-auto-start 3)
(add-hook
 'emacs-lisp-mode-hook
 (lambda ()
   (setq ac-sources '(ac-source-words-in-buffer ac-source-symbols))))

(defconst my-ruby-command (expand-file-name "ruby" "~/opt"))

(defvar my-rcodetools-path
  (shell-command-to-string
   (concat my-ruby-command
           " -rubygems"
           " -e 'print((Gem.searcher.find(%q(rcodetools/xmpfilter)).full_gem_path rescue %q(not found)))'"))
  "rcodetools gem へのパス")

(setq load-path
      (cons my-rcodetools-path load-path))

(defun my-init-rcodetools ()
  ; gem install rcodetools
  (when (require 'rcodetools nil t)
    (setq
     xmpfilter-command-name
     (concat my-ruby-command " -S xmpfilter --dev --fork --detect-rbtest")
     rct-doc-command-name
     (concat my-ruby-command " -S rct-doc --dev --fork --detect-rbtest")
     rct-complete-command-name
     (concat my-ruby-command " -S rct-complete --dev --fork --detect-rbtest")
     ruby-toggle-file-command-name
     (concat my-ruby-command " -S ruby-toggle-file")
     rct-fork-command-name
     (concat my-ruby-command " -S rct-fork"))
    ;(install-elisp "http://www.cx4a.org/pub/auto-complete-ruby.el")
    (when (require 'auto-complete-ruby nil t)
      (setq ac-omni-completion-sources
            '(("\\.\\=" . (ac-source-rcodetools))))
      )
    ))
(add-hook 'ruby-mode-hook #'my-init-rcodetools)

(autoload 'ruby-mode "ruby-mode" "Mode for editing ruby source files" t)
(setq auto-mode-alist
      (append '(("\\.rb\\'" . ruby-mode)) auto-mode-alist))
(setq interpreter-mode-alist (append '(("ruby" . ruby-mode))
                                     interpreter-mode-alist))


;;; Local Variables:
;;; mode: emacs-lisp
;;; coding: iso-2022-7bit
;;; indent-tabs-mode: nil
;;; End: