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Showing content from http://github.com/zenspider/Enhanced-Ruby-Mode below:

zenspider/enhanced-ruby-mode: An enhanced ruby-mode for Emacs that uses Ripper in ruby 1.9+ to highlight and indent the source code

• Git: github.com/zenspider/Enhanced-Ruby-Mode

• Author: Geoff Jacobsen / forked by Ryan Davis

• Copyright: 2010 - 2012

• License: RUBY License

Enhanced Ruby Mode replaces the emacs ruby mode that comes with ruby.

It uses the Ripper class found in ruby 1.9.2 (and later) to parse and indent the source code. As a consequence only ruby 1.9.2 (or later) syntax is parsed correctly.

Syntax checking is also performed.

• Optimisation; currently parses and fontifies whole buffer for most modifications - it still appears to run fast enough on large files.

• Suggestions?

• Enhanced Ruby Mode is installable via el-get and Melpa, where its package name is enh-ruby-mode.

• For manual installation, add the following file to your init file.

  (add-to-list 'load-path "(path-to)/Enhanced-Ruby-Mode") ; must be added after any path containing old ruby-mode
  (autoload 'enh-ruby-mode "enh-ruby-mode" "Major mode for ruby files" t)
  (add-to-list 'auto-mode-alist '("\\.rb\\'" . enh-ruby-mode))
  (add-to-list 'interpreter-mode-alist '("ruby" . enh-ruby-mode))
  
  ;; optional
  
  (setq enh-ruby-program "(path-to-ruby1.9)/bin/ruby") ; so that still works if ruby points to ruby1.8

• Enhanced Ruby Mode defines its own specific faces with the hook erm-define-faces. If your theme is already defining those faces, to not overwrite them, just remove the hook with:

  (remove-hook 'enh-ruby-mode-hook 'erm-define-faces)

You may have existing lines in your emacs config that add minor modes based on ruby mode, like this:

(add-hook 'ruby-mode-hook 'robe-mode)
(add-hook 'ruby-mode-hook 'yard-mode)

For these to work with enh-ruby-mode, you need to add hooks to the enh-ruby-mode minor mode:

(add-hook 'enh-ruby-mode-hook 'robe-mode)
(add-hook 'enh-ruby-mode-hook 'yard-mode)

To use enh-ruby-mode for .rb add the following to your init file:

(add-to-list 'auto-mode-alist '("\\.rb\\'" . enh-ruby-mode))

To use enh-ruby-mode for all common Ruby files and the following to your init file:

(add-to-list 'auto-mode-alist
             '("\\(?:\\.rb\\|ru\\|rake\\|thor\\|jbuilder\\|gemspec\\|podspec\\|/\\(?:Gem\\|Rake\\|Cap\\|Thor\\|Vagrant\\|Guard\\|Pod\\)file\\)\\'" . enh-ruby-mode))

• ruby 1.9.2 (or later)

• git clone git@github.com:zenspider/Enhanced-Ruby-Mode.git

Developing requires minitest 5.x gem.

Testing parser:

rake test:ruby [N=name or /pattern/]

rake test:elisp [N=pattern]

rake test:all

rake                            # same as test:all

Tests for Emacs Lisp require ERT. It is built-in since Emacs 24.1.

Jell (Jean-Louis Giordano) github.com/Jell

Improved UTF-8 support

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