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afcabde71b
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42804 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
79 lines
2.2 KiB
EmacsLisp
79 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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(and
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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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(setq show-trailing-whitespace 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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;;;###autoload
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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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