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	c-mode-hook (at least on Emacs 23). Call c-set-style instead. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23836 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			77 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			EmacsLisp
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			EmacsLisp
		
	
	
	
	
	
;;; -*- emacs-lisp -*-
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;;;
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;;; ruby-style.el -
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;;;
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;;; C/C++ mode style for Ruby.
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;;;
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;;;  $Author$
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;;;  created at: Thu Apr 26 13:54:01 JST 2007
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;;;
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;;; To switch to the "ruby" style automatically if it looks like a
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;;; source file of ruby, add ruby-style-c-mode to c-mode-hook:
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;;;
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;;;   (require 'ruby-style)
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;;;   (add-hook 'c-mode-hook 'ruby-style-c-mode)
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;;;   (add-hook 'c++-mode-hook 'ruby-style-c-mode)
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;;;
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;;; Customize the c-default-style variable to set the default style
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;;; for each CC major mode.
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(defconst ruby-style-revision "$Revision$"
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  "Ruby style revision string.")
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(defconst ruby-style-version
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  (progn
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   (string-match "[0-9.]+" ruby-style-revision)
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   (substring ruby-style-revision (match-beginning 0) (match-end 0)))
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  "Ruby style version number.")
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(defun ruby-style-case-indent (x)
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  (save-excursion
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    (back-to-indentation)
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    (unless (progn (backward-up-list) (back-to-indentation)
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                   (> (point) (cdr x)))
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      (goto-char (cdr x))
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      (if (looking-at "\\<case\\|default\\>") '*))))
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(defun ruby-style-label-indent (x)
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  (save-excursion
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    (back-to-indentation)
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    (unless (progn (backward-up-list) (back-to-indentation)
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                   (>= (point) (cdr x)))
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      (goto-char (cdr x))
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      (condition-case ()
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          (progn
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            (backward-up-list)
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            (backward-sexp 2)
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            (if (looking-at "\\<switch\\>") '/))
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        (error)))))
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(require 'cc-styles)
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(c-add-style
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 "ruby"
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 '("bsd"
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   (c-basic-offset . 4)
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   (tab-width . 8)
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   (indent-tabs-mode . t)
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   (c-offsets-alist
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    (case-label . *)
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    (label . (ruby-style-label-indent *))
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    (statement-case-intro . *)
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    (statement-case-open . *)
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    (statement-block-intro . (ruby-style-case-indent +))
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    (access-label /)
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    )))
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(defun ruby-style-c-mode ()
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  (interactive)
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  (if (or (let ((name (buffer-file-name))) (and name (string-match "/ruby\\>" name)))
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          (save-excursion
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            (goto-char (point-min))
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            (let ((head (progn (forward-line 100) (point)))
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                  (case-fold-search nil))
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              (goto-char (point-min))
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              (re-search-forward "Copyright (C) .* Yukihiro Matsumoto" head t))))
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      (c-set-style "ruby")))
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(provide 'ruby-style)
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