зеркало из https://github.com/github/ruby.git
1585 строки
60 KiB
EmacsLisp
1585 строки
60 KiB
EmacsLisp
;;; ruby-mode.el --- Major mode for editing Ruby files
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;; Copyright (C) 1994, 1995, 1996 1997, 1998, 1999, 2000, 2001,
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;; 2002,2003, 2004, 2005, 2006, 2007, 2008
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;; Free Software Foundation, Inc.
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;; Authors: Yukihiro Matsumoto, Nobuyoshi Nakada
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;; URL: http://www.emacswiki.org/cgi-bin/wiki/RubyMode
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;; Created: Fri Feb 4 14:49:13 JST 1994
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;; Keywords: languages ruby
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;; Version: 0.9
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;; This file is not part of GNU Emacs. However, a newer version of
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;; ruby-mode is included in recent releases of GNU Emacs (version 23
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;; and up), but the new version is not guaranteed to be compatible
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;; with older versions of Emacs or XEmacs. This file is the last
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;; version that aims to keep this compatibility.
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;; You can also get the latest version from the Emacs Lisp Package
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;; Archive: http://tromey.com/elpa
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;; This file 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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;; It is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; 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 it. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Provides font-locking, indentation support, and navigation for Ruby code.
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;;
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;; If you're installing manually, you should add this to your .emacs
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;; file after putting it on your load path:
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;;
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;; (autoload 'ruby-mode "ruby-mode" "Major mode for ruby files" t)
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;; (add-to-list 'auto-mode-alist '("\\.rb$" . ruby-mode))
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;; (add-to-list 'interpreter-mode-alist '("ruby" . ruby-mode))
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;;
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;;; Code:
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(defconst ruby-mode-revision "$Revision$"
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"Ruby mode revision string.")
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(defconst ruby-mode-version
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(and (string-match "[0-9.]+" ruby-mode-revision)
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(substring ruby-mode-revision (match-beginning 0) (match-end 0)))
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"Ruby mode version number.")
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(defconst ruby-keyword-end-re
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(if (string-match "\\_>" "ruby")
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"\\_>"
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"\\>"))
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(defconst ruby-block-beg-keywords
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'("class" "module" "def" "if" "unless" "case" "while" "until" "for" "begin" "do")
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"Keywords at the beginning of blocks.")
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(defconst ruby-block-beg-re
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(regexp-opt ruby-block-beg-keywords)
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"Regexp to match the beginning of blocks.")
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(defconst ruby-non-block-do-re
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(concat (regexp-opt '("while" "until" "for" "rescue") t) ruby-keyword-end-re)
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"Regexp to match")
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(defconst ruby-indent-beg-re
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(concat "\\(\\s *" (regexp-opt '("class" "module" "def") t) "\\)\\|"
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(regexp-opt '("if" "unless" "case" "while" "until" "for" "begin")))
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"Regexp to match where the indentation gets deeper.")
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(defconst ruby-modifier-beg-keywords
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'("if" "unless" "while" "until")
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"Modifiers that are the same as the beginning of blocks.")
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(defconst ruby-modifier-beg-re
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(regexp-opt ruby-modifier-beg-keywords)
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"Regexp to match modifiers same as the beginning of blocks.")
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(defconst ruby-modifier-re
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(regexp-opt (cons "rescue" ruby-modifier-beg-keywords))
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"Regexp to match modifiers.")
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(defconst ruby-block-mid-keywords
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'("then" "else" "elsif" "when" "rescue" "ensure")
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"Keywords where the indentation gets shallower in middle of block statements.")
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(defconst ruby-block-mid-re
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(regexp-opt ruby-block-mid-keywords)
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"Regexp to match where the indentation gets shallower in middle of block statements.")
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(defconst ruby-block-op-keywords
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'("and" "or" "not")
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"Block operators.")
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(defconst ruby-block-hanging-re
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(regexp-opt (append ruby-modifier-beg-keywords ruby-block-op-keywords))
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"Regexp to match hanging block modifiers.")
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(defconst ruby-block-end-re "\\_<end\\_>")
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(defconst ruby-here-doc-beg-re
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"\\(<\\)<\\(-\\)?\\(\\([a-zA-Z0-9_]+\\)\\|[\"]\\([^\"]+\\)[\"]\\|[']\\([^']+\\)[']\\)")
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(defconst ruby-here-doc-end-re
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"^\\([ \t]+\\)?\\(.*\\)\\(.\\)$")
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(defun ruby-here-doc-end-match ()
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(concat "^"
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(if (match-string 2) "[ \t]*" nil)
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(regexp-quote
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(or (match-string 4)
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(match-string 5)
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(match-string 6)))))
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(defun ruby-here-doc-beg-match ()
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(let ((contents (concat
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(regexp-quote (concat (match-string 2) (match-string 3)))
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(if (string= (match-string 3) "_") "\\B" "\\b"))))
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(concat "<<"
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(let ((match (match-string 1)))
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(if (and match (> (length match) 0))
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(concat "\\(?:-\\([\"']?\\)\\|\\([\"']\\)" (match-string 1) "\\)"
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contents "\\(\\1\\|\\2\\)")
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(concat "-?\\([\"']\\|\\)" contents "\\1"))))))
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(defconst ruby-delimiter
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(concat "[?$/%(){}#\"'`.:]\\|<<\\|\\[\\|\\]\\|\\_<\\("
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ruby-block-beg-re
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"\\)\\_>\\|" ruby-block-end-re
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"\\|^=begin\\|" ruby-here-doc-beg-re)
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)
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(defconst ruby-negative
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(concat "^[ \t]*\\(\\(" ruby-block-mid-re "\\)\\>\\|"
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ruby-block-end-re "\\|}\\|\\]\\)")
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"Regexp to match where the indentation gets shallower.")
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(defconst ruby-operator-chars "-,.+*/%&|^~=<>:")
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(defconst ruby-operator-re (concat "[" ruby-operator-chars "]"))
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(defconst ruby-symbol-chars "a-zA-Z0-9_")
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(defconst ruby-symbol-re (concat "[" ruby-symbol-chars "]"))
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(defvar ruby-mode-abbrev-table nil
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"Abbrev table in use in ruby-mode buffers.")
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(define-abbrev-table 'ruby-mode-abbrev-table ())
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(defvar ruby-mode-map nil "Keymap used in ruby mode.")
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(if ruby-mode-map
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nil
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(setq ruby-mode-map (make-sparse-keymap))
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(define-key ruby-mode-map "{" 'ruby-electric-brace)
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(define-key ruby-mode-map "}" 'ruby-electric-brace)
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(define-key ruby-mode-map "\e\C-a" 'ruby-beginning-of-defun)
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(define-key ruby-mode-map "\e\C-e" 'ruby-end-of-defun)
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(define-key ruby-mode-map "\e\C-b" 'ruby-backward-sexp)
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(define-key ruby-mode-map "\e\C-f" 'ruby-forward-sexp)
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(define-key ruby-mode-map "\e\C-p" 'ruby-beginning-of-block)
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(define-key ruby-mode-map "\e\C-n" 'ruby-end-of-block)
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(define-key ruby-mode-map "\e\C-h" 'ruby-mark-defun)
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(define-key ruby-mode-map "\e\C-q" 'ruby-indent-exp)
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(define-key ruby-mode-map "\t" 'ruby-indent-command)
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(define-key ruby-mode-map "\C-c\C-e" 'ruby-insert-end)
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(define-key ruby-mode-map "\C-j" 'ruby-reindent-then-newline-and-indent)
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(define-key ruby-mode-map "\C-c{" 'ruby-toggle-block)
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(define-key ruby-mode-map "\C-c\C-u" 'uncomment-region))
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(defvar ruby-mode-syntax-table nil
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"Syntax table in use in ruby-mode buffers.")
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(if ruby-mode-syntax-table
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()
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(setq ruby-mode-syntax-table (make-syntax-table))
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(modify-syntax-entry ?\' "\"" ruby-mode-syntax-table)
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(modify-syntax-entry ?\" "\"" ruby-mode-syntax-table)
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(modify-syntax-entry ?\` "\"" ruby-mode-syntax-table)
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(modify-syntax-entry ?# "<" ruby-mode-syntax-table)
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(modify-syntax-entry ?\n ">" ruby-mode-syntax-table)
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(modify-syntax-entry ?\\ "\\" ruby-mode-syntax-table)
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(modify-syntax-entry ?$ "." ruby-mode-syntax-table)
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(modify-syntax-entry ?? "_" ruby-mode-syntax-table)
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(modify-syntax-entry ?_ "_" ruby-mode-syntax-table)
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(modify-syntax-entry ?: "_" ruby-mode-syntax-table)
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(modify-syntax-entry ?< "." ruby-mode-syntax-table)
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(modify-syntax-entry ?> "." ruby-mode-syntax-table)
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(modify-syntax-entry ?& "." ruby-mode-syntax-table)
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(modify-syntax-entry ?| "." ruby-mode-syntax-table)
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(modify-syntax-entry ?% "." ruby-mode-syntax-table)
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(modify-syntax-entry ?= "." ruby-mode-syntax-table)
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(modify-syntax-entry ?/ "." ruby-mode-syntax-table)
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(modify-syntax-entry ?+ "." ruby-mode-syntax-table)
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(modify-syntax-entry ?* "." ruby-mode-syntax-table)
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(modify-syntax-entry ?- "." ruby-mode-syntax-table)
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(modify-syntax-entry ?\; "." ruby-mode-syntax-table)
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(modify-syntax-entry ?\( "()" ruby-mode-syntax-table)
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(modify-syntax-entry ?\) ")(" ruby-mode-syntax-table)
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(modify-syntax-entry ?\{ "(}" ruby-mode-syntax-table)
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(modify-syntax-entry ?\} "){" ruby-mode-syntax-table)
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(modify-syntax-entry ?\[ "(]" ruby-mode-syntax-table)
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(modify-syntax-entry ?\] ")[" ruby-mode-syntax-table)
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)
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(defcustom ruby-indent-tabs-mode nil
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"*Indentation can insert tabs in ruby mode if this is non-nil."
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:type 'boolean :group 'ruby)
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(put 'ruby-indent-tabs-mode 'safe-local-variable 'booleanp)
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(defcustom ruby-indent-level 2
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"*Indentation of ruby statements."
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:type 'integer :group 'ruby)
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(put 'ruby-indent-level 'safe-local-variable 'integerp)
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(defcustom ruby-comment-column 32
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"*Indentation column of comments."
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:type 'integer :group 'ruby)
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(put 'ruby-comment-column 'safe-local-variable 'integerp)
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(defcustom ruby-deep-arglist t
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"*Deep indent lists in parenthesis when non-nil.
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Also ignores spaces after parenthesis when 'space."
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:group 'ruby)
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(put 'ruby-deep-arglist 'safe-local-variable 'booleanp)
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(defcustom ruby-deep-indent-paren '(?\( ?\[ ?\] t)
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"*Deep indent lists in parenthesis when non-nil. t means continuous line.
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Also ignores spaces after parenthesis when 'space."
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:group 'ruby)
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(defcustom ruby-deep-indent-paren-style 'space
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"Default deep indent style."
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:options '(t nil space) :group 'ruby)
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(defcustom ruby-encoding-map
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'((us-ascii . nil) ;; Do not put coding: us-ascii
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(utf-8 . nil) ;; Do not put coding: utf-8
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(shift-jis . cp932) ;; Emacs charset name of Shift_JIS
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(shift_jis . cp932) ;; MIME charset name of Shift_JIS
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(japanese-cp932 . cp932)) ;; Emacs charset name of CP932
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"Alist to map encoding name from Emacs to Ruby.
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Associating an encoding name with nil means it needs not be
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explicitly declared in magic comment."
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:type '(repeat (cons (symbol :tag "From") (symbol :tag "To")))
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:group 'ruby)
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(defcustom ruby-use-encoding-map t
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"*Use `ruby-encoding-map' to set encoding magic comment if this is non-nil."
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:type 'boolean :group 'ruby)
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(defvar ruby-indent-point nil "internal variable")
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(eval-when-compile (require 'cl))
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(defun ruby-imenu-create-index-in-block (prefix beg end)
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(let ((index-alist '()) (case-fold-search nil)
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name next pos decl sing)
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(goto-char beg)
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(while (re-search-forward "^\\s *\\(\\(class\\s +\\|\\(class\\s *<<\\s *\\)\\|module\\s +\\)\\([^\(<\n ]+\\)\\|\\(def\\|alias\\)\\s +\\([^\(\n ]+\\)\\)" end t)
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(setq sing (match-beginning 3))
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(setq decl (match-string 5))
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(setq next (match-end 0))
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(setq name (or (match-string 4) (match-string 6)))
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(setq pos (match-beginning 0))
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(cond
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((string= "alias" decl)
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(if prefix (setq name (concat prefix name)))
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(push (cons name pos) index-alist))
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((string= "def" decl)
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(if prefix
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(setq name
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(cond
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((string-match "^self\." name)
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(concat (substring prefix 0 -1) (substring name 4)))
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(t (concat prefix name)))))
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(push (cons name pos) index-alist)
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(ruby-accurate-end-of-block end))
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(t
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(if (string= "self" name)
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(if prefix (setq name (substring prefix 0 -1)))
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(if prefix (setq name (concat (substring prefix 0 -1) "::" name)))
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(push (cons name pos) index-alist))
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(ruby-accurate-end-of-block end)
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(setq beg (point))
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(setq index-alist
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(nconc (ruby-imenu-create-index-in-block
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(concat name (if sing "." "#"))
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next beg) index-alist))
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(goto-char beg))))
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index-alist))
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(defun ruby-imenu-create-index ()
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(nreverse (ruby-imenu-create-index-in-block nil (point-min) nil)))
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(defun ruby-accurate-end-of-block (&optional end)
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(let (state)
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(or end (setq end (point-max)))
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(while (and (setq state (apply 'ruby-parse-partial end state))
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(>= (nth 2 state) 0) (< (point) end)))))
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(defun ruby-mode-variables ()
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(set-syntax-table ruby-mode-syntax-table)
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(setq show-trailing-whitespace t)
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(setq local-abbrev-table ruby-mode-abbrev-table)
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(make-local-variable 'indent-line-function)
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(setq indent-line-function 'ruby-indent-line)
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(make-local-variable 'require-final-newline)
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(setq require-final-newline t)
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(make-local-variable 'comment-start)
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(setq comment-start "# ")
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(make-local-variable 'comment-end)
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(setq comment-end "")
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(make-local-variable 'comment-column)
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(setq comment-column ruby-comment-column)
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(make-local-variable 'comment-start-skip)
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(setq comment-start-skip "#+ *")
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(setq indent-tabs-mode ruby-indent-tabs-mode)
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(make-local-variable 'parse-sexp-ignore-comments)
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(setq parse-sexp-ignore-comments t)
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(make-local-variable 'parse-sexp-lookup-properties)
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(setq parse-sexp-lookup-properties t)
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(make-local-variable 'paragraph-start)
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(setq paragraph-start (concat "$\\|" page-delimiter))
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(make-local-variable 'paragraph-separate)
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(setq paragraph-separate paragraph-start)
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(make-local-variable 'paragraph-ignore-fill-prefix)
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(setq paragraph-ignore-fill-prefix t))
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(defun ruby-mode-set-encoding ()
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"Insert or update a magic comment header with the proper encoding.
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`ruby-encoding-map' is looked up to convert an encoding name from
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Emacs to Ruby."
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(let* ((nonascii
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(save-excursion
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(widen)
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(goto-char (point-min))
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(re-search-forward "[^\0-\177]" nil t)))
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(coding-system
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(or coding-system-for-write
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buffer-file-coding-system))
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(coding-system
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(and coding-system
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(coding-system-change-eol-conversion coding-system nil)))
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(coding-system
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(and coding-system
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(or
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(coding-system-get coding-system :mime-charset)
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(let ((coding-type (coding-system-get coding-system :coding-type)))
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(cond ((eq coding-type 'undecided)
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(if nonascii
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(or (and (coding-system-get coding-system :prefer-utf-8)
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'utf-8)
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(coding-system-get default-buffer-file-coding-system :coding-type)
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'ascii-8bit)))
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((memq coding-type '(utf-8 shift-jis))
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coding-type)
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(t coding-system))))))
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(coding-system
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(or coding-system
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'us-ascii))
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(coding-system
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(let ((cons (assq coding-system ruby-encoding-map)))
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(if cons (cdr cons) coding-system)))
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(coding-system
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(and coding-system
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(symbol-name coding-system))))
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(if coding-system
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(save-excursion
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(widen)
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(goto-char (point-min))
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(if (looking-at "^#!") (beginning-of-line 2))
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(cond ((looking-at "\\s *#.*-\*-\\s *\\(en\\)?coding\\s *:\\s *\\([-a-z0-9_]*\\)\\s *\\(;\\|-\*-\\)")
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(unless (string= (match-string 2) coding-system)
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(goto-char (match-beginning 2))
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(delete-region (point) (match-end 2))
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(and (looking-at "-\*-")
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(let ((n (skip-chars-backward " ")))
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(cond ((= n 0) (insert " ") (backward-char))
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((= n -1) (insert " "))
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((forward-char)))))
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(insert coding-system)))
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((looking-at "\\s *#.*coding\\s *[:=]"))
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(t (when ruby-insert-encoding-magic-comment
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(insert "# -*- coding: " coding-system " -*-\n"))))))))
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(defun ruby-current-indentation ()
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(save-excursion
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(beginning-of-line)
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(back-to-indentation)
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(current-column)))
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(defun ruby-indent-line (&optional flag)
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"Correct indentation of the current ruby line."
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(ruby-indent-to (ruby-calculate-indent)))
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(defun ruby-indent-command ()
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(interactive)
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(ruby-indent-line t))
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(defun ruby-indent-to (x)
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(if x
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(let (shift top beg)
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(and (< x 0) (error "invalid nest"))
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(setq shift (current-column))
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(beginning-of-line)
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(setq beg (point))
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(back-to-indentation)
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(setq top (current-column))
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(skip-chars-backward " \t")
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(if (>= shift top) (setq shift (- shift top))
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(setq shift 0))
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(if (and (bolp)
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(= x top))
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(move-to-column (+ x shift))
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(move-to-column top)
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(delete-region beg (point))
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(beginning-of-line)
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(indent-to x)
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(move-to-column (+ x shift))))))
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(defun ruby-special-char-p (&optional pnt)
|
|
(setq pnt (or pnt (point)))
|
|
(let ((c (char-before pnt)) (b (and (< (point-min) pnt) (char-before (1- pnt)))))
|
|
(cond ((or (eq c ??) (eq c ?$)))
|
|
((and (eq c ?:) (or (not b) (eq (char-syntax b) ? ))))
|
|
((eq c ?\\) (eq b ??)))))
|
|
|
|
(defun ruby-singleton-class-p ()
|
|
(save-excursion
|
|
(forward-word -1)
|
|
(and (or (bolp) (not (eq (char-before (point)) ?_)))
|
|
(looking-at "class\\s *<<"))))
|
|
|
|
(defun ruby-expr-beg (&optional option)
|
|
(save-excursion
|
|
(store-match-data nil)
|
|
(let ((space (skip-chars-backward " \t"))
|
|
(start (point)))
|
|
(cond
|
|
((bolp) t)
|
|
((progn
|
|
(forward-char -1)
|
|
(and (looking-at "\\?")
|
|
(or (eq (char-syntax (preceding-char)) ?w)
|
|
(ruby-special-char-p))))
|
|
nil)
|
|
((and (eq option 'heredoc) (< space 0))
|
|
(not (progn (goto-char start) (ruby-singleton-class-p))))
|
|
((or (looking-at ruby-operator-re)
|
|
(looking-at "[\\[({,;]")
|
|
(and (looking-at "[!?]")
|
|
(or (not (eq option 'modifier))
|
|
(bolp)
|
|
(save-excursion (forward-char -1) (looking-at "\\Sw$"))))
|
|
(and (looking-at ruby-symbol-re)
|
|
(skip-chars-backward ruby-symbol-chars)
|
|
(cond
|
|
((looking-at (regexp-opt
|
|
(append ruby-block-beg-keywords
|
|
ruby-block-op-keywords
|
|
ruby-block-mid-keywords)
|
|
'words))
|
|
(goto-char (match-end 0))
|
|
(not (looking-at "\\s_\\|[!?:]")))
|
|
((eq option 'expr-qstr)
|
|
(looking-at "[a-zA-Z][a-zA-z0-9_]* +%[^ \t]"))
|
|
((eq option 'expr-re)
|
|
(looking-at "[a-zA-Z][a-zA-z0-9_]* +/[^ \t]"))
|
|
(t nil)))))))))
|
|
|
|
(defun ruby-forward-string (term &optional end no-error expand)
|
|
(let ((n 1) (c (string-to-char term))
|
|
(re (if expand
|
|
(concat "[^\\]\\(\\\\\\\\\\)*\\([" term "]\\|\\(#{\\)\\)")
|
|
(concat "[^\\]\\(\\\\\\\\\\)*[" term "]"))))
|
|
(while (and (re-search-forward re end no-error)
|
|
(if (match-beginning 3)
|
|
(ruby-forward-string "}{" end no-error nil)
|
|
(> (setq n (if (eq (char-before (point)) c)
|
|
(1- n) (1+ n))) 0)))
|
|
(forward-char -1))
|
|
(cond ((zerop n))
|
|
(no-error nil)
|
|
((error "unterminated string")))))
|
|
|
|
(defun ruby-deep-indent-paren-p (c &optional pos)
|
|
(cond ((save-excursion
|
|
(if pos (goto-char pos))
|
|
(ruby-expr-beg))
|
|
nil)
|
|
((listp ruby-deep-indent-paren)
|
|
(let ((deep (assoc c ruby-deep-indent-paren)))
|
|
(cond (deep
|
|
(or (cdr deep) ruby-deep-indent-paren-style))
|
|
((memq c ruby-deep-indent-paren)
|
|
ruby-deep-indent-paren-style))))
|
|
((eq c ruby-deep-indent-paren) ruby-deep-indent-paren-style)
|
|
((eq c ?\( ) ruby-deep-arglist)))
|
|
|
|
(defun ruby-parse-partial (&optional end in-string nest depth pcol indent)
|
|
(or depth (setq depth 0))
|
|
(or indent (setq indent 0))
|
|
(when (re-search-forward ruby-delimiter end 'move)
|
|
(let ((pnt (point)) w re expand)
|
|
(goto-char (match-beginning 0))
|
|
(cond
|
|
((and (memq (char-before) '(?@ ?$)) (looking-at "\\sw"))
|
|
(goto-char pnt))
|
|
((looking-at "[\"`]") ;skip string
|
|
(cond
|
|
((and (not (eobp))
|
|
(ruby-forward-string (buffer-substring (point) (1+ (point))) end t t))
|
|
nil)
|
|
(t
|
|
(setq in-string (point))
|
|
(goto-char end))))
|
|
((looking-at "'")
|
|
(cond
|
|
((and (not (eobp))
|
|
(re-search-forward "[^\\]\\(\\\\\\\\\\)*'" end t))
|
|
nil)
|
|
(t
|
|
(setq in-string (point))
|
|
(goto-char end))))
|
|
((looking-at "/=")
|
|
(goto-char pnt))
|
|
((looking-at "/")
|
|
(cond
|
|
((and (not (eobp)) (ruby-expr-beg 'expr-re))
|
|
(if (ruby-forward-string "/" end t t)
|
|
nil
|
|
(setq in-string (point))
|
|
(goto-char end)))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "%")
|
|
(cond
|
|
((and (not (eobp))
|
|
(ruby-expr-beg 'expr-qstr)
|
|
(not (looking-at "%="))
|
|
(looking-at "%[QqrxWw]?\\([^a-zA-Z0-9 \t\n]\\)"))
|
|
(goto-char (match-beginning 1))
|
|
(setq expand (not (memq (char-before) '(?q ?w))))
|
|
(setq w (match-string 1))
|
|
(cond
|
|
((string= w "[") (setq re "]["))
|
|
((string= w "{") (setq re "}{"))
|
|
((string= w "(") (setq re ")("))
|
|
((string= w "<") (setq re "><"))
|
|
((and expand (string= w "\\"))
|
|
(setq w (concat "\\" w))))
|
|
(unless (cond (re (ruby-forward-string re end t expand))
|
|
(expand (ruby-forward-string w end t t))
|
|
(t (re-search-forward
|
|
(if (string= w "\\")
|
|
"\\\\[^\\]*\\\\"
|
|
(concat "[^\\]\\(\\\\\\\\\\)*" w))
|
|
end t)))
|
|
(setq in-string (point))
|
|
(goto-char end)))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "\\?") ;skip ?char
|
|
(cond
|
|
((and (ruby-expr-beg)
|
|
(looking-at "?\\(\\\\C-\\|\\\\M-\\)*\\\\?."))
|
|
(goto-char (match-end 0)))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "\\$") ;skip $char
|
|
(goto-char pnt)
|
|
(forward-char 1))
|
|
((looking-at "#") ;skip comment
|
|
(forward-line 1)
|
|
(goto-char (point))
|
|
)
|
|
((looking-at "[\\[{(]")
|
|
(let ((deep (ruby-deep-indent-paren-p (char-after))))
|
|
(if (and deep (or (not (eq (char-after) ?\{)) (ruby-expr-beg)))
|
|
(progn
|
|
(and (eq deep 'space) (looking-at ".\\s +[^# \t\n]")
|
|
(setq pnt (1- (match-end 0))))
|
|
(setq nest (cons (cons (char-after (point)) (point)) nest))
|
|
(setq pcol (cons (cons pnt depth) pcol))
|
|
(setq depth 0))
|
|
(setq nest (cons (cons (char-after (point)) pnt) nest))
|
|
(setq depth (1+ depth))))
|
|
(goto-char pnt)
|
|
)
|
|
((looking-at "[])}]")
|
|
(if (ruby-deep-indent-paren-p (matching-paren (char-after))
|
|
(if nest
|
|
(cdr (nth 0 nest))
|
|
(save-excursion
|
|
(forward-char)
|
|
(ruby-backward-sexp)
|
|
(point))))
|
|
(setq depth (cdr (car pcol)) pcol (cdr pcol))
|
|
(setq depth (1- depth)))
|
|
(setq nest (cdr nest))
|
|
(goto-char pnt))
|
|
((looking-at ruby-block-end-re)
|
|
(if (or (and (not (bolp))
|
|
(progn
|
|
(forward-char -1)
|
|
(setq w (char-after (point)))
|
|
(or (eq ?_ w)
|
|
(eq ?. w))))
|
|
(progn
|
|
(goto-char pnt)
|
|
(setq w (char-after (point)))
|
|
(or (eq ?_ w)
|
|
(eq ?! w)
|
|
(eq ?? w))))
|
|
nil
|
|
(setq nest (cdr nest))
|
|
(setq depth (1- depth)))
|
|
(goto-char pnt))
|
|
((looking-at "def\\s +[^(\n;]*")
|
|
(if (or (bolp)
|
|
(progn
|
|
(forward-char -1)
|
|
(not (eq ?_ (char-after (point))))))
|
|
(progn
|
|
(setq nest (cons (cons nil pnt) nest))
|
|
(setq depth (1+ depth))))
|
|
(goto-char (match-end 0)))
|
|
((looking-at (concat "\\_<\\(" ruby-block-beg-re "\\)\\_>"))
|
|
(and
|
|
(save-match-data
|
|
(or (not (looking-at (concat "do" ruby-keyword-end-re)))
|
|
(save-excursion
|
|
(back-to-indentation)
|
|
(not (looking-at ruby-non-block-do-re)))))
|
|
(or (bolp)
|
|
(progn
|
|
(forward-char -1)
|
|
(setq w (char-after (point)))
|
|
(not (or (eq ?_ w)
|
|
(eq ?. w)))))
|
|
(goto-char pnt)
|
|
(setq w (char-after (point)))
|
|
(not (eq ?_ w))
|
|
(not (eq ?! w))
|
|
(not (eq ?? w))
|
|
(not (eq ?: w))
|
|
(skip-chars-forward " \t")
|
|
(goto-char (match-beginning 0))
|
|
(or (not (looking-at ruby-modifier-re))
|
|
(ruby-expr-beg 'modifier))
|
|
(goto-char pnt)
|
|
(setq nest (cons (cons nil pnt) nest))
|
|
(setq depth (1+ depth)))
|
|
(goto-char pnt))
|
|
((looking-at ":\\(['\"]\\)")
|
|
(goto-char (match-beginning 1))
|
|
(ruby-forward-string (buffer-substring (match-beginning 1) (match-end 1)) end))
|
|
((looking-at ":\\([-,.+*/%&|^~<>]=?\\|===?\\|<=>\\|![~=]?\\)")
|
|
(goto-char (match-end 0)))
|
|
((looking-at ":\\([a-zA-Z_][a-zA-Z_0-9]*[!?=]?\\)?")
|
|
(goto-char (match-end 0)))
|
|
((or (looking-at "\\.\\.\\.?")
|
|
(looking-at "\\.[0-9]+")
|
|
(looking-at "\\.[a-zA-Z_0-9]+")
|
|
(looking-at "\\."))
|
|
(goto-char (match-end 0)))
|
|
((looking-at "^=begin")
|
|
(if (re-search-forward "^=end" end t)
|
|
(forward-line 1)
|
|
(setq in-string (match-end 0))
|
|
(goto-char end)))
|
|
((looking-at "<<")
|
|
(cond
|
|
((and (ruby-expr-beg 'heredoc)
|
|
(looking-at "<<\\(-\\)?\\(\\([\"'`]\\)\\([^\n]+?\\)\\3\\|\\(?:\\sw\\|\\s_\\)+\\)"))
|
|
(setq re (regexp-quote (or (match-string 4) (match-string 2))))
|
|
(if (match-beginning 1) (setq re (concat "\\s *" re)))
|
|
(let* ((id-end (goto-char (match-end 0)))
|
|
(line-end-position (save-excursion (end-of-line) (point)))
|
|
(state (list in-string nest depth pcol indent)))
|
|
;; parse the rest of the line
|
|
(while (and (> line-end-position (point))
|
|
(setq state (apply 'ruby-parse-partial
|
|
line-end-position state))))
|
|
(setq in-string (car state)
|
|
nest (nth 1 state)
|
|
depth (nth 2 state)
|
|
pcol (nth 3 state)
|
|
indent (nth 4 state))
|
|
;; skip heredoc section
|
|
(if (re-search-forward (concat "^" re "$") end 'move)
|
|
(forward-line 1)
|
|
(setq in-string id-end)
|
|
(goto-char end))))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "^__END__$")
|
|
(goto-char pnt))
|
|
((looking-at ruby-here-doc-beg-re)
|
|
(if (re-search-forward (ruby-here-doc-end-match)
|
|
ruby-indent-point t)
|
|
(forward-line 1)
|
|
(setq in-string (match-end 0))
|
|
(goto-char ruby-indent-point)))
|
|
(t
|
|
(error (format "bad string %s"
|
|
(buffer-substring (point) pnt)
|
|
))))))
|
|
(list in-string nest depth pcol))
|
|
|
|
(defun ruby-parse-region (start end)
|
|
(let (state)
|
|
(save-excursion
|
|
(if start
|
|
(goto-char start)
|
|
(ruby-beginning-of-indent))
|
|
(save-restriction
|
|
(narrow-to-region (point) end)
|
|
(while (and (> end (point))
|
|
(setq state (apply 'ruby-parse-partial end state))))))
|
|
(list (nth 0 state) ; in-string
|
|
(car (nth 1 state)) ; nest
|
|
(nth 2 state) ; depth
|
|
(car (car (nth 3 state))) ; pcol
|
|
;(car (nth 5 state)) ; indent
|
|
)))
|
|
|
|
(defun ruby-indent-size (pos nest)
|
|
(+ pos (* (or nest 1) ruby-indent-level)))
|
|
|
|
(defun ruby-calculate-indent (&optional parse-start)
|
|
(save-excursion
|
|
(beginning-of-line)
|
|
(let ((ruby-indent-point (point))
|
|
(case-fold-search nil)
|
|
state bol eol begin op-end
|
|
(paren (progn (skip-syntax-forward " ")
|
|
(and (char-after) (matching-paren (char-after)))))
|
|
(indent 0))
|
|
(if parse-start
|
|
(goto-char parse-start)
|
|
(ruby-beginning-of-indent)
|
|
(setq parse-start (point)))
|
|
(back-to-indentation)
|
|
(setq indent (current-column))
|
|
(setq state (ruby-parse-region parse-start ruby-indent-point))
|
|
(cond
|
|
((nth 0 state) ; within string
|
|
(setq indent nil)) ; do nothing
|
|
((car (nth 1 state)) ; in paren
|
|
(goto-char (setq begin (cdr (nth 1 state))))
|
|
(let ((deep (ruby-deep-indent-paren-p (car (nth 1 state))
|
|
(1- (cdr (nth 1 state))))))
|
|
(if deep
|
|
(cond ((and (eq deep t) (eq (car (nth 1 state)) paren))
|
|
(skip-syntax-backward " ")
|
|
(setq indent (1- (current-column))))
|
|
((eq deep 'space)
|
|
(goto-char (cdr (nth 1 state)))
|
|
(setq indent (1+ (current-column))))
|
|
((let ((s (ruby-parse-region (point) ruby-indent-point)))
|
|
(and (nth 2 s) (> (nth 2 s) 0)
|
|
(or (goto-char (cdr (nth 1 s))) t)))
|
|
(forward-word -1)
|
|
(setq indent (ruby-indent-size (current-column) (nth 2 state))))
|
|
(t
|
|
(setq indent (current-column))
|
|
(cond ((eq deep 'space))
|
|
(paren (setq indent (1- indent)))
|
|
(t (setq indent (ruby-indent-size (1- indent) 1))))))
|
|
(if (nth 3 state) (goto-char (nth 3 state))
|
|
(goto-char parse-start) (back-to-indentation))
|
|
(setq indent (ruby-indent-size (current-column) (nth 2 state))))
|
|
(and (eq (car (nth 1 state)) paren)
|
|
(ruby-deep-indent-paren-p (matching-paren paren)
|
|
(1- (cdr (nth 1 state))))
|
|
(search-backward (char-to-string paren))
|
|
(setq indent (current-column)))))
|
|
((and (nth 2 state) (> (nth 2 state) 0)) ; in nest
|
|
(if (null (cdr (nth 1 state)))
|
|
(error "invalid nest"))
|
|
(goto-char (cdr (nth 1 state)))
|
|
(forward-word -1) ; skip back a keyword
|
|
(setq begin (point))
|
|
(cond
|
|
((looking-at "do\\>[^_]") ; iter block is a special case
|
|
(if (nth 3 state) (goto-char (nth 3 state))
|
|
(goto-char parse-start) (back-to-indentation))
|
|
(setq indent (ruby-indent-size (current-column) (nth 2 state))))
|
|
(t
|
|
(setq indent (+ (current-column) ruby-indent-level)))))
|
|
|
|
((and (nth 2 state) (< (nth 2 state) 0)) ; in negative nest
|
|
(setq indent (ruby-indent-size (current-column) (nth 2 state)))))
|
|
(when indent
|
|
(goto-char ruby-indent-point)
|
|
(end-of-line)
|
|
(setq eol (point))
|
|
(beginning-of-line)
|
|
(cond
|
|
((and (not (ruby-deep-indent-paren-p paren
|
|
(and (cdr (nth 1 state))
|
|
(1- (cdr (nth 1 state))))))
|
|
(re-search-forward ruby-negative eol t))
|
|
(and (not (eq ?_ (char-after (match-end 0))))
|
|
(setq indent (- indent ruby-indent-level))))
|
|
((and
|
|
(save-excursion
|
|
(beginning-of-line)
|
|
(not (bobp)))
|
|
(or (ruby-deep-indent-paren-p t)
|
|
(null (car (nth 1 state)))))
|
|
;; goto beginning of non-empty no-comment line
|
|
(let (end done)
|
|
(while (not done)
|
|
(skip-chars-backward " \t\n")
|
|
(setq end (point))
|
|
(beginning-of-line)
|
|
(if (re-search-forward "^\\s *#" end t)
|
|
(beginning-of-line)
|
|
(setq done t))))
|
|
(setq bol (point))
|
|
(end-of-line)
|
|
;; skip the comment at the end
|
|
(skip-chars-backward " \t")
|
|
(let (end (pos (point)))
|
|
(beginning-of-line)
|
|
(while (and (re-search-forward "#" pos t)
|
|
(setq end (1- (point)))
|
|
(or (ruby-special-char-p end)
|
|
(and (setq state (ruby-parse-region parse-start end))
|
|
(nth 0 state))))
|
|
(setq end nil))
|
|
(goto-char (or end pos))
|
|
(skip-chars-backward " \t")
|
|
(setq begin (if (and end (nth 0 state)) pos (cdr (nth 1 state))))
|
|
(setq state (ruby-parse-region parse-start (point))))
|
|
(or (bobp) (forward-char -1))
|
|
(and
|
|
(or (and (looking-at ruby-symbol-re)
|
|
(skip-chars-backward ruby-symbol-chars)
|
|
(looking-at (concat "\\<\\(" ruby-block-hanging-re "\\)\\>"))
|
|
(not (eq (point) (nth 3 state)))
|
|
(save-excursion
|
|
(goto-char (match-end 0))
|
|
(not (looking-at "[a-z_]"))))
|
|
(and (looking-at ruby-operator-re)
|
|
(not (ruby-special-char-p))
|
|
;; operator at the end of line
|
|
(let ((c (char-after (point))))
|
|
(and
|
|
;; (or (null begin)
|
|
;; (save-excursion
|
|
;; (goto-char begin)
|
|
;; (skip-chars-forward " \t")
|
|
;; (not (or (eolp) (looking-at "#")
|
|
;; (and (eq (car (nth 1 state)) ?{)
|
|
;; (looking-at "|"))))))
|
|
(or (not (eq ?/ c))
|
|
(null (nth 0 (ruby-parse-region (or begin parse-start) (point)))))
|
|
(or (not (eq ?| (char-after (point))))
|
|
(save-excursion
|
|
(or (eolp) (forward-char -1))
|
|
(cond
|
|
((search-backward "|" nil t)
|
|
(skip-chars-backward " \t\n")
|
|
(and (not (eolp))
|
|
(progn
|
|
(forward-char -1)
|
|
(not (looking-at "{")))
|
|
(progn
|
|
(forward-word -1)
|
|
(not (looking-at "do\\>[^_]")))))
|
|
(t t))))
|
|
(not (eq ?, c))
|
|
(setq op-end t)))))
|
|
(setq indent
|
|
(cond
|
|
((and
|
|
(null op-end)
|
|
(not (looking-at (concat "\\<\\(" ruby-block-hanging-re "\\)\\>")))
|
|
(eq (ruby-deep-indent-paren-p t) 'space)
|
|
(not (bobp)))
|
|
(widen)
|
|
(goto-char (or begin parse-start))
|
|
(skip-syntax-forward " ")
|
|
(current-column))
|
|
((car (nth 1 state)) indent)
|
|
(t
|
|
(+ indent ruby-indent-level))))))))
|
|
(goto-char ruby-indent-point)
|
|
(beginning-of-line)
|
|
(skip-syntax-forward " ")
|
|
(if (looking-at "\\.[^.]\\|&\\.")
|
|
(+ indent ruby-indent-level)
|
|
indent))))
|
|
|
|
(defun ruby-electric-brace (arg)
|
|
(interactive "P")
|
|
(insert-char last-command-event 1)
|
|
(ruby-indent-line t)
|
|
(delete-char -1)
|
|
(self-insert-command (prefix-numeric-value arg)))
|
|
|
|
(eval-when-compile
|
|
(defmacro defun-region-command (func args &rest body)
|
|
(let ((intr (car body)))
|
|
(when (featurep 'xemacs)
|
|
(if (stringp intr) (setq intr (cadr body)))
|
|
(and (eq (car intr) 'interactive)
|
|
(setq intr (cdr intr))
|
|
(setcar intr (concat "_" (car intr)))))
|
|
(cons 'defun (cons func (cons args body))))))
|
|
|
|
(defun-region-command ruby-beginning-of-defun (&optional arg)
|
|
"Move backward to next beginning-of-defun.
|
|
With argument, do this that many times.
|
|
Returns t unless search stops due to end of buffer."
|
|
(interactive "p")
|
|
(and (re-search-backward (concat "^\\(" ruby-block-beg-re "\\)\\_>")
|
|
nil 'move (or arg 1))
|
|
(progn (beginning-of-line) t)))
|
|
|
|
(defun ruby-beginning-of-indent ()
|
|
(and (re-search-backward (concat "^\\(" ruby-indent-beg-re "\\)\\_>")
|
|
nil 'move)
|
|
(progn
|
|
(beginning-of-line)
|
|
t)))
|
|
|
|
(defun-region-command ruby-end-of-defun (&optional arg)
|
|
"Move forward to next end of defun.
|
|
An end of a defun is found by moving forward from the beginning of one."
|
|
(interactive "p")
|
|
(and (re-search-forward (concat "^\\(" ruby-block-end-re "\\)\\($\\|\\b[^_]\\)")
|
|
nil 'move (or arg 1))
|
|
(progn (beginning-of-line) t))
|
|
(forward-line 1))
|
|
|
|
(defun ruby-move-to-block (n)
|
|
(let (start pos done down (orig (point)))
|
|
(setq start (ruby-calculate-indent))
|
|
(setq down (looking-at (if (< n 0) ruby-block-end-re
|
|
(concat "\\<\\(" ruby-block-beg-re "\\)\\>"))))
|
|
(while (and (not done) (not (if (< n 0) (bobp) (eobp))))
|
|
(forward-line n)
|
|
(cond
|
|
((looking-at "^\\s *$"))
|
|
((looking-at "^\\s *#"))
|
|
((and (> n 0) (looking-at "^=begin\\>"))
|
|
(re-search-forward "^=end\\>"))
|
|
((and (< n 0) (looking-at "^=end\\>"))
|
|
(re-search-backward "^=begin\\>"))
|
|
(t
|
|
(setq pos (current-indentation))
|
|
(cond
|
|
((< start pos)
|
|
(setq down t))
|
|
((and down (= pos start))
|
|
(setq done t))
|
|
((> start pos)
|
|
(setq done t)))))
|
|
(if done
|
|
(save-excursion
|
|
(back-to-indentation)
|
|
(if (looking-at (concat "\\<\\(" ruby-block-mid-re "\\)\\>"))
|
|
(setq done nil)))))
|
|
(back-to-indentation)
|
|
(when (< n 0)
|
|
(let ((eol (point-at-eol)) state next)
|
|
(if (< orig eol) (setq eol orig))
|
|
(setq orig (point))
|
|
(while (and (setq next (apply 'ruby-parse-partial eol state))
|
|
(< (point) eol))
|
|
(setq state next))
|
|
(when (cdaadr state)
|
|
(goto-char (cdaadr state)))
|
|
(backward-word)))))
|
|
|
|
(defun-region-command ruby-beginning-of-block (&optional arg)
|
|
"Move backward to next beginning-of-block"
|
|
(interactive "p")
|
|
(ruby-move-to-block (- (or arg 1))))
|
|
|
|
(defun-region-command ruby-end-of-block (&optional arg)
|
|
"Move forward to next beginning-of-block"
|
|
(interactive "p")
|
|
(ruby-move-to-block (or arg 1)))
|
|
|
|
(defun-region-command ruby-forward-sexp (&optional cnt)
|
|
(interactive "p")
|
|
(if (and (numberp cnt) (< cnt 0))
|
|
(ruby-backward-sexp (- cnt))
|
|
(let ((i (or cnt 1)))
|
|
(condition-case nil
|
|
(while (> i 0)
|
|
(skip-syntax-forward " ")
|
|
(if (looking-at ",\\s *") (goto-char (match-end 0)))
|
|
(cond ((looking-at "\\?\\(\\\\[CM]-\\)*\\\\?\\S ")
|
|
(goto-char (match-end 0)))
|
|
((progn
|
|
(skip-chars-forward ",.:;|&^~=!?\\+\\-\\*")
|
|
(looking-at "\\s("))
|
|
(goto-char (scan-sexps (point) 1)))
|
|
((and (looking-at (concat "\\<\\(" ruby-block-beg-re "\\)\\>"))
|
|
(not (eq (char-before (point)) ?.))
|
|
(not (eq (char-before (point)) ?:)))
|
|
(ruby-end-of-block)
|
|
(forward-word 1))
|
|
((looking-at "\\(\\$\\|@@?\\)?\\sw")
|
|
(while (progn
|
|
(while (progn (forward-word 1) (looking-at "_")))
|
|
(cond ((looking-at "::") (forward-char 2) t)
|
|
((> (skip-chars-forward ".") 0))
|
|
((looking-at "\\?\\|!\\(=[~=>]\\|[^~=]\\)")
|
|
(forward-char 1) nil)))))
|
|
((let (state expr)
|
|
(while
|
|
(progn
|
|
(setq expr (or expr (ruby-expr-beg)
|
|
(looking-at "%\\sw?\\Sw\\|[\"'`/]")))
|
|
(nth 1 (setq state (apply 'ruby-parse-partial nil state))))
|
|
(setq expr t)
|
|
(skip-chars-forward "<"))
|
|
(not expr))))
|
|
(setq i (1- i)))
|
|
((error) (forward-word 1)))
|
|
i)))
|
|
|
|
(defun-region-command ruby-backward-sexp (&optional cnt)
|
|
(interactive "p")
|
|
(if (and (numberp cnt) (< cnt 0))
|
|
(ruby-forward-sexp (- cnt))
|
|
(let ((i (or cnt 1)))
|
|
(condition-case nil
|
|
(while (> i 0)
|
|
(skip-chars-backward " \t\n,.:;|&^~=!?\\+\\-\\*")
|
|
(forward-char -1)
|
|
(cond ((looking-at "\\s)")
|
|
(goto-char (scan-sexps (1+ (point)) -1))
|
|
(case (char-before)
|
|
(?% (forward-char -1))
|
|
('(?q ?Q ?w ?W ?r ?x)
|
|
(if (eq (char-before (1- (point))) ?%) (forward-char -2))))
|
|
nil)
|
|
((looking-at "\\s\"\\|\\\\\\S_")
|
|
(let ((c (char-to-string (char-before (match-end 0)))))
|
|
(while (and (search-backward c)
|
|
(oddp (skip-chars-backward "\\")))))
|
|
nil)
|
|
((looking-at "\\s.\\|\\s\\")
|
|
(if (ruby-special-char-p) (forward-char -1)))
|
|
((looking-at "\\s(") nil)
|
|
(t
|
|
(forward-char 1)
|
|
(while (progn (forward-word -1)
|
|
(case (char-before)
|
|
(?_ t)
|
|
(?. (forward-char -1) t)
|
|
((?$ ?@)
|
|
(forward-char -1)
|
|
(and (eq (char-before) (char-after)) (forward-char -1)))
|
|
(?:
|
|
(forward-char -1)
|
|
(eq (char-before) :)))))
|
|
(if (looking-at ruby-block-end-re)
|
|
(ruby-beginning-of-block))
|
|
nil))
|
|
(setq i (1- i)))
|
|
((error)))
|
|
i)))
|
|
|
|
(defun ruby-reindent-then-newline-and-indent ()
|
|
(interactive "*")
|
|
(newline)
|
|
(save-excursion
|
|
(end-of-line 0)
|
|
(indent-according-to-mode)
|
|
(delete-region (point) (progn (skip-chars-backward " \t") (point))))
|
|
(indent-according-to-mode))
|
|
|
|
(fset 'ruby-encomment-region (symbol-function 'comment-region))
|
|
|
|
(defun ruby-decomment-region (beg end)
|
|
(interactive "r")
|
|
(save-excursion
|
|
(goto-char beg)
|
|
(while (re-search-forward "^\\([ \t]*\\)#" end t)
|
|
(replace-match "\\1" nil nil)
|
|
(save-excursion
|
|
(ruby-indent-line)))))
|
|
|
|
(defun ruby-insert-end ()
|
|
(interactive)
|
|
(insert "end")
|
|
(ruby-indent-line t)
|
|
(end-of-line))
|
|
|
|
(defun ruby-mark-defun ()
|
|
"Put mark at end of this Ruby function, point at beginning."
|
|
(interactive)
|
|
(push-mark (point))
|
|
(ruby-end-of-defun)
|
|
(push-mark (point) nil t)
|
|
(ruby-beginning-of-defun)
|
|
(re-search-backward "^\n" (- (point) 1) t))
|
|
|
|
(defun ruby-indent-exp (&optional shutup-p)
|
|
"Indent each line in the balanced expression following point syntactically.
|
|
If optional SHUTUP-P is non-nil, no errors are signalled if no
|
|
balanced expression is found."
|
|
(interactive "*P")
|
|
(let ((here (point-marker)) start top column (nest t))
|
|
(set-marker-insertion-type here t)
|
|
(unwind-protect
|
|
(progn
|
|
(beginning-of-line)
|
|
(setq start (point) top (current-indentation))
|
|
(while (and (not (eobp))
|
|
(progn
|
|
(setq column (ruby-calculate-indent start))
|
|
(cond ((> column top)
|
|
(setq nest t))
|
|
((and (= column top) nest)
|
|
(setq nest nil) t))))
|
|
(ruby-indent-to column)
|
|
(beginning-of-line 2)))
|
|
(goto-char here)
|
|
(set-marker here nil))))
|
|
|
|
(defun ruby-add-log-current-method ()
|
|
"Return current method string."
|
|
(condition-case nil
|
|
(save-excursion
|
|
(let (mname mlist (indent 0))
|
|
;; get current method (or class/module)
|
|
(if (re-search-backward
|
|
(concat "^[ \t]*\\(def\\|class\\|module\\)[ \t]+"
|
|
"\\("
|
|
;; \\. and :: for class method
|
|
"\\([A-Za-z_]" ruby-symbol-re "*\\|\\.\\|::" "\\)"
|
|
"+\\)")
|
|
nil t)
|
|
(progn
|
|
(setq mname (match-string 2))
|
|
(unless (string-equal "def" (match-string 1))
|
|
(setq mlist (list mname) mname nil))
|
|
(goto-char (match-beginning 1))
|
|
(setq indent (current-column))
|
|
(beginning-of-line)))
|
|
;; nest class/module
|
|
(while (and (> indent 0)
|
|
(re-search-backward
|
|
(concat
|
|
"^[ \t]*\\(class\\|module\\)[ \t]+"
|
|
"\\([A-Z]" ruby-symbol-re "*\\)")
|
|
nil t))
|
|
(goto-char (match-beginning 1))
|
|
(if (< (current-column) indent)
|
|
(progn
|
|
(setq mlist (cons (match-string 2) mlist))
|
|
(setq indent (current-column))
|
|
(beginning-of-line))))
|
|
(when mname
|
|
(let ((mn (split-string mname "\\.\\|::")))
|
|
(if (cdr mn)
|
|
(progn
|
|
(cond
|
|
((string-equal "" (car mn))
|
|
(setq mn (cdr mn) mlist nil))
|
|
((string-equal "self" (car mn))
|
|
(setq mn (cdr mn)))
|
|
((let ((ml (nreverse mlist)))
|
|
(while ml
|
|
(if (string-equal (car ml) (car mn))
|
|
(setq mlist (nreverse (cdr ml)) ml nil))
|
|
(or (setq ml (cdr ml)) (nreverse mlist))))))
|
|
(if mlist
|
|
(setcdr (last mlist) mn)
|
|
(setq mlist mn))
|
|
(setq mn (last mn 2))
|
|
(setq mname (concat "." (cadr mn)))
|
|
(setcdr mn nil))
|
|
(setq mname (concat "#" mname)))))
|
|
;; generate string
|
|
(if (consp mlist)
|
|
(setq mlist (mapconcat (function identity) mlist "::")))
|
|
(if mname
|
|
(if mlist (concat mlist mname) mname)
|
|
mlist)))))
|
|
|
|
(defun ruby-brace-to-do-end ()
|
|
(when (looking-at "{")
|
|
(let ((orig (point)) (end (progn (ruby-forward-sexp) (point)))
|
|
oneline (end (make-marker)))
|
|
(setq oneline (and (eolp) (<= (point-at-bol) orig)))
|
|
(when (eq (char-before) ?\})
|
|
(delete-char -1)
|
|
(cond
|
|
(oneline
|
|
(insert "\n")
|
|
(set-marker end (point)))
|
|
((eq (char-syntax (preceding-char)) ?w)
|
|
(insert " ")))
|
|
(insert "end")
|
|
(if (eq (char-syntax (following-char)) ?w)
|
|
(insert " "))
|
|
(goto-char orig)
|
|
(delete-char 1)
|
|
(if (eq (char-syntax (preceding-char)) ?w)
|
|
(insert " "))
|
|
(insert "do")
|
|
(when (looking-at "\\sw\\||")
|
|
(insert " ")
|
|
(backward-char))
|
|
(when oneline
|
|
(setq orig (point))
|
|
(when (cond
|
|
((looking-at "\\s *|")
|
|
(goto-char (match-end 0))
|
|
(and (search-forward "|" (point-at-eol) 'move)
|
|
(not (eolp))))
|
|
(t))
|
|
(while (progn
|
|
(insert "\n")
|
|
(ruby-forward-sexp)
|
|
(looking-at "\\s *;\\s *"))
|
|
(delete-char (- (match-end 0) (match-beginning 0))))
|
|
(goto-char orig)
|
|
(beginning-of-line 2)
|
|
(indent-region (point) end))
|
|
(goto-char orig))
|
|
t))))
|
|
|
|
(defun ruby-do-end-to-brace ()
|
|
(when (and (or (bolp)
|
|
(not (memq (char-syntax (preceding-char)) '(?w ?_))))
|
|
(looking-at "\\<do\\(\\s \\|$\\)"))
|
|
(let ((orig (point)) (end (progn (ruby-forward-sexp) (point)))
|
|
first last)
|
|
(backward-char 3)
|
|
(when (looking-at ruby-block-end-re)
|
|
(delete-char 3)
|
|
(insert "}")
|
|
(setq last (and (eolp)
|
|
(progn (backward-char 1)
|
|
(skip-syntax-backward " ")
|
|
(bolp))
|
|
(1- (point-at-eol -1))))
|
|
(goto-char orig)
|
|
(delete-char 2)
|
|
(insert "{")
|
|
(setq orig (point))
|
|
(when (and last (<= last (point))
|
|
(not (search-forward "#" (setq first (point-at-eol)) t)))
|
|
(goto-char (- end 4))
|
|
(end-of-line 0)
|
|
(if (looking-at "\n\\s *")
|
|
(delete-char (- (match-end 0) (match-beginning 0))) t)
|
|
(goto-char first)
|
|
(if (looking-at "\n\\s *")
|
|
(delete-char (- (match-end 0) (match-beginning 0))) t))
|
|
(goto-char orig)
|
|
(if (looking-at "\\s +|")
|
|
(delete-char (- (match-end 0) (match-beginning 0) 1)))
|
|
t))))
|
|
|
|
(defun ruby-toggle-block ()
|
|
(interactive)
|
|
(or (ruby-brace-to-do-end)
|
|
(ruby-do-end-to-brace)))
|
|
|
|
(eval-when-compile
|
|
(if (featurep 'font-lock)
|
|
(defmacro eval-when-font-lock-available (&rest args) (cons 'progn args))
|
|
(defmacro eval-when-font-lock-available (&rest args))))
|
|
|
|
(eval-when-compile
|
|
(if (featurep 'hilit19)
|
|
(defmacro eval-when-hilit19-available (&rest args) (cons 'progn args))
|
|
(defmacro eval-when-hilit19-available (&rest args))))
|
|
|
|
(eval-when-font-lock-available
|
|
(or (boundp 'font-lock-variable-name-face)
|
|
(setq font-lock-variable-name-face font-lock-type-face))
|
|
|
|
(defconst ruby-font-lock-syntactic-keywords
|
|
`(
|
|
;; #{ }, #$hoge, #@foo are not comments
|
|
("\\(#\\)[{$@]" 1 (1 . nil))
|
|
;; the last $', $", $` in the respective string is not variable
|
|
;; the last ?', ?", ?` in the respective string is not ascii code
|
|
("\\(^\\|[\[ \t\n<+\(,=]\\)\\(['\"`]\\)\\(\\\\.\\|\\2\\|[^'\"`\n\\\\]\\)*?\\\\?[?$]\\(\\2\\)"
|
|
(2 (7 . nil))
|
|
(4 (7 . nil)))
|
|
;; $' $" $` .... are variables
|
|
;; ?' ?" ?` are ascii codes
|
|
("\\(^\\|[^\\\\]\\)\\(\\\\\\\\\\)*[?$]\\([#\"'`]\\)" 3 (1 . nil))
|
|
;; regexps
|
|
("\\(^\\|[[{|=(,~?:;<>]\\|\\(^\\|\\s \\)\\(if\\|elsif\\|unless\\|while\\|until\\|when\\|and\\|or\\|&&\\|||\\)\\|g?sub!?\\|scan\\|split!?\\)\\s *\\(/\\)[^/\n\\\\]*\\(\\\\.[^/\n\\\\]*\\)*\\(/\\)"
|
|
(4 (7 . ?/))
|
|
(6 (7 . ?/)))
|
|
("^\\(=\\)begin\\(\\s \\|$\\)" 1 (7 . nil))
|
|
("^\\(=\\)end\\(\\s \\|$\\)" 1 (7 . nil))
|
|
(,(concat ruby-here-doc-beg-re ".*\\(\n\\)")
|
|
,(+ 1 (regexp-opt-depth ruby-here-doc-beg-re))
|
|
(ruby-here-doc-beg-syntax))
|
|
(,ruby-here-doc-end-re 3 (ruby-here-doc-end-syntax))))
|
|
|
|
(unless (functionp 'syntax-ppss)
|
|
(defun syntax-ppss (&optional pos)
|
|
(parse-partial-sexp (point-min) (or pos (point)))))
|
|
|
|
(defun ruby-in-ppss-context-p (context &optional ppss)
|
|
(let ((ppss (or ppss (syntax-ppss (point)))))
|
|
(if (cond
|
|
((eq context 'anything)
|
|
(or (nth 3 ppss)
|
|
(nth 4 ppss)))
|
|
((eq context 'string)
|
|
(nth 3 ppss))
|
|
((eq context 'heredoc)
|
|
(and (nth 3 ppss)
|
|
;; If it's generic string, it's a heredoc and we don't care
|
|
;; See `parse-partial-sexp'
|
|
(not (numberp (nth 3 ppss)))))
|
|
((eq context 'non-heredoc)
|
|
(and (ruby-in-ppss-context-p 'anything)
|
|
(not (ruby-in-ppss-context-p 'heredoc))))
|
|
((eq context 'comment)
|
|
(nth 4 ppss))
|
|
(t
|
|
(error (concat
|
|
"Internal error on `ruby-in-ppss-context-p': "
|
|
"context name `" (symbol-name context) "' is unknown"))))
|
|
t)))
|
|
|
|
(defun ruby-in-here-doc-p ()
|
|
(save-excursion
|
|
(let ((old-point (point)) (case-fold-search nil))
|
|
(beginning-of-line)
|
|
(catch 'found-beg
|
|
(while (and (re-search-backward ruby-here-doc-beg-re nil t)
|
|
(not (ruby-singleton-class-p)))
|
|
(if (not (or (ruby-in-ppss-context-p 'anything)
|
|
(ruby-here-doc-find-end old-point)))
|
|
(throw 'found-beg t)))))))
|
|
|
|
(defun ruby-here-doc-find-end (&optional limit)
|
|
"Expects the point to be on a line with one or more heredoc
|
|
openers. Returns the buffer position at which all heredocs on the
|
|
line are terminated, or nil if they aren't terminated before the
|
|
buffer position `limit' or the end of the buffer."
|
|
(save-excursion
|
|
(beginning-of-line)
|
|
(catch 'done
|
|
(let ((eol (save-excursion (end-of-line) (point)))
|
|
(case-fold-search nil)
|
|
;; Fake match data such that (match-end 0) is at eol
|
|
(end-match-data (progn (looking-at ".*$") (match-data)))
|
|
beg-match-data end-re)
|
|
(while (re-search-forward ruby-here-doc-beg-re eol t)
|
|
(setq beg-match-data (match-data))
|
|
(setq end-re (ruby-here-doc-end-match))
|
|
|
|
(set-match-data end-match-data)
|
|
(goto-char (match-end 0))
|
|
(unless (re-search-forward end-re limit t) (throw 'done nil))
|
|
(setq end-match-data (match-data))
|
|
|
|
(set-match-data beg-match-data)
|
|
(goto-char (match-end 0)))
|
|
(set-match-data end-match-data)
|
|
(goto-char (match-end 0))
|
|
(point)))))
|
|
|
|
(defun ruby-here-doc-beg-syntax ()
|
|
(save-excursion
|
|
(goto-char (match-beginning 0))
|
|
(unless (or (ruby-in-ppss-context-p 'non-heredoc)
|
|
(ruby-in-here-doc-p))
|
|
(string-to-syntax "|"))))
|
|
|
|
(defun ruby-here-doc-end-syntax ()
|
|
(let ((pss (syntax-ppss)) (case-fold-search nil))
|
|
(when (ruby-in-ppss-context-p 'heredoc pss)
|
|
(save-excursion
|
|
(goto-char (nth 8 pss)) ; Go to the beginning of heredoc.
|
|
(let ((eol (point)))
|
|
(beginning-of-line)
|
|
(if (and (re-search-forward (ruby-here-doc-beg-match) eol t) ; If there is a heredoc that matches this line...
|
|
(not (ruby-in-ppss-context-p 'anything)) ; And that's not inside a heredoc/string/comment...
|
|
(progn (goto-char (match-end 0)) ; And it's the last heredoc on its line...
|
|
(not (re-search-forward ruby-here-doc-beg-re eol t))))
|
|
(string-to-syntax "|")))))))
|
|
|
|
(eval-when-compile
|
|
(put 'ruby-mode 'font-lock-defaults
|
|
'((ruby-font-lock-keywords)
|
|
nil nil nil
|
|
beginning-of-line
|
|
(font-lock-syntactic-keywords
|
|
. ruby-font-lock-syntactic-keywords))))
|
|
|
|
(defun ruby-font-lock-docs (limit)
|
|
(if (re-search-forward "^=begin\\(\\s \\|$\\)" limit t)
|
|
(let (beg)
|
|
(beginning-of-line)
|
|
(setq beg (point))
|
|
(forward-line 1)
|
|
(if (re-search-forward "^=end\\(\\s \\|$\\)" limit t)
|
|
(progn
|
|
(set-match-data (list beg (point)))
|
|
t)))))
|
|
|
|
(defun ruby-font-lock-maybe-docs (limit)
|
|
(let (beg)
|
|
(save-excursion
|
|
(if (and (re-search-backward "^=\\(begin\\|end\\)\\(\\s \\|$\\)" nil t)
|
|
(string= (match-string 1) "begin"))
|
|
(progn
|
|
(beginning-of-line)
|
|
(setq beg (point)))))
|
|
(if (and beg (and (re-search-forward "^=\\(begin\\|end\\)\\(\\s \\|$\\)" nil t)
|
|
(string= (match-string 1) "end")))
|
|
(progn
|
|
(set-match-data (list beg (point)))
|
|
t)
|
|
nil)))
|
|
|
|
(defvar ruby-font-lock-syntax-table
|
|
(let* ((tbl (copy-syntax-table ruby-mode-syntax-table)))
|
|
(modify-syntax-entry ?_ "w" tbl)
|
|
tbl))
|
|
|
|
(defconst ruby-font-lock-keywords
|
|
(list
|
|
;; functions
|
|
'("^\\s *def\\s +\\([^( \t\n]+\\)"
|
|
1 font-lock-function-name-face)
|
|
;; keywords
|
|
(cons (concat
|
|
"\\(^\\|[^_:.@$]\\|\\.\\.\\)\\_<\\(defined\\?\\|"
|
|
(regexp-opt
|
|
'("alias"
|
|
"and"
|
|
"begin"
|
|
"break"
|
|
"case"
|
|
"catch"
|
|
"class"
|
|
"def"
|
|
"do"
|
|
"elsif"
|
|
"else"
|
|
"fail"
|
|
"ensure"
|
|
"for"
|
|
"end"
|
|
"if"
|
|
"in"
|
|
"module"
|
|
"next"
|
|
"not"
|
|
"or"
|
|
"raise"
|
|
"redo"
|
|
"rescue"
|
|
"retry"
|
|
"return"
|
|
"then"
|
|
"throw"
|
|
"super"
|
|
"unless"
|
|
"undef"
|
|
"until"
|
|
"when"
|
|
"while"
|
|
"yield"
|
|
)
|
|
t)
|
|
"\\)"
|
|
ruby-keyword-end-re)
|
|
2)
|
|
;; here-doc beginnings
|
|
(list ruby-here-doc-beg-re 0 'font-lock-string-face)
|
|
;; variables
|
|
'("\\(^\\|[^_:.@$]\\|\\.\\.\\)\\_<\\(nil\\|self\\|true\\|false\\)\\>"
|
|
2 font-lock-variable-name-face)
|
|
;; variables
|
|
'("\\(\\$\\([^a-zA-Z0-9 \n]\\|[0-9]\\)\\)\\W"
|
|
1 font-lock-variable-name-face)
|
|
'("\\(\\$\\|@\\|@@\\)\\(\\w\\|_\\)+"
|
|
0 font-lock-variable-name-face)
|
|
;; embedded document
|
|
'(ruby-font-lock-docs
|
|
0 font-lock-comment-face t)
|
|
'(ruby-font-lock-maybe-docs
|
|
0 font-lock-comment-face t)
|
|
;; general delimited string
|
|
'("\\(^\\|[[ \t\n<+(,=]\\)\\(%[xrqQwW]?\\([^<[{(a-zA-Z0-9 \n]\\)[^\n\\\\]*\\(\\\\.[^\n\\\\]*\\)*\\(\\3\\)\\)"
|
|
(2 font-lock-string-face))
|
|
;; constants
|
|
'("\\(^\\|[^_]\\)\\_<\\([A-Z]+\\(\\w\\|_\\)*\\)"
|
|
2 font-lock-type-face)
|
|
;; symbols
|
|
'("\\(^\\|[^:]\\)\\(:\\([-+~]@?\\|[/%&|^`]\\|\\*\\*?\\|<\\(<\\|=>?\\)?\\|>[>=]?\\|===?\\|=~\\|![~=]?\\|\\[\\]=?\\|\\(\\w\\|_\\)+\\([!?=]\\|\\b_*\\)\\|#{[^}\n\\\\]*\\(\\\\.[^}\n\\\\]*\\)*}\\)\\)"
|
|
2 font-lock-reference-face)
|
|
'("\\(^\\s *\\|[\[\{\(,]\\s *\\|\\sw\\s +\\)\\(\\(\\sw\\|_\\)+\\):[^:]" 2 font-lock-reference-face)
|
|
;; expression expansion
|
|
'("#\\({[^}\n\\\\]*\\(\\\\.[^}\n\\\\]*\\)*}\\|\\(\\$\\|@\\|@@\\)\\(\\w\\|_\\)+\\)"
|
|
0 font-lock-variable-name-face t)
|
|
;; warn lower camel case
|
|
;'("\\<[a-z]+[a-z0-9]*[A-Z][A-Za-z0-9]*\\([!?]?\\|\\>\\)"
|
|
; 0 font-lock-warning-face)
|
|
)
|
|
"*Additional expressions to highlight in ruby mode."))
|
|
|
|
(eval-when-hilit19-available
|
|
(hilit-set-mode-patterns
|
|
'ruby-mode
|
|
'(("[^$\\?]\\(\"[^\\\"]*\\(\\\\\\(.\\|\n\\)[^\\\"]*\\)*\"\\)" 1 string)
|
|
("[^$\\?]\\('[^\\']*\\(\\\\\\(.\\|\n\\)[^\\']*\\)*'\\)" 1 string)
|
|
("[^$\\?]\\(`[^\\`]*\\(\\\\\\(.\\|\n\\)[^\\`]*\\)*`\\)" 1 string)
|
|
("^\\s *#.*$" nil comment)
|
|
("[^$@?\\]\\(#[^$@{\n].*$\\)" 1 comment)
|
|
("[^a-zA-Z_]\\(\\?\\(\\\\[CM]-\\)*.\\)" 1 string)
|
|
("^\\s *\\(require\\|load\\).*$" nil include)
|
|
("^\\s *\\(include\\|alias\\|undef\\).*$" nil decl)
|
|
("^\\s *\\<\\(class\\|def\\|module\\)\\>" "[)\n;]" defun)
|
|
("[^_]\\<\\(begin\\|case\\|else\\|elsif\\|end\\|ensure\\|for\\|if\\|unless\\|rescue\\|then\\|when\\|while\\|until\\|do\\|yield\\)\\>\\([^_]\\|$\\)" 1 defun)
|
|
("[^_]\\<\\(and\\|break\\|next\\|raise\\|fail\\|in\\|not\\|or\\|redo\\|retry\\|return\\|super\\|yield\\|catch\\|throw\\|self\\|nil\\)\\>\\([^_]\\|$\\)" 1 keyword)
|
|
("\\$\\(.\\|\\sw+\\)" nil type)
|
|
("[$@].[a-zA-Z_0-9]*" nil struct)
|
|
("^__END__" nil label))))
|
|
|
|
|
|
;;;###autoload
|
|
(defun ruby-mode ()
|
|
"Major mode for editing ruby scripts.
|
|
\\[ruby-indent-command] properly indents subexpressions of multi-line
|
|
class, module, def, if, while, for, do, and case statements, taking
|
|
nesting into account.
|
|
|
|
The variable ruby-indent-level controls the amount of indentation.
|
|
\\{ruby-mode-map}"
|
|
(interactive)
|
|
(kill-all-local-variables)
|
|
(use-local-map ruby-mode-map)
|
|
(setq mode-name "Ruby")
|
|
(setq major-mode 'ruby-mode)
|
|
(ruby-mode-variables)
|
|
|
|
(make-local-variable 'imenu-create-index-function)
|
|
(setq imenu-create-index-function 'ruby-imenu-create-index)
|
|
|
|
(make-local-variable 'add-log-current-defun-function)
|
|
(setq add-log-current-defun-function 'ruby-add-log-current-method)
|
|
|
|
(add-hook
|
|
(cond ((boundp 'before-save-hook)
|
|
(make-local-variable 'before-save-hook)
|
|
'before-save-hook)
|
|
((boundp 'write-contents-functions) 'write-contents-functions)
|
|
((boundp 'write-contents-hooks) 'write-contents-hooks))
|
|
'ruby-mode-set-encoding)
|
|
|
|
(set (make-local-variable 'font-lock-defaults) '((ruby-font-lock-keywords) nil nil))
|
|
(set (make-local-variable 'font-lock-keywords) ruby-font-lock-keywords)
|
|
(set (make-local-variable 'font-lock-syntax-table) ruby-font-lock-syntax-table)
|
|
(set (make-local-variable 'font-lock-syntactic-keywords) ruby-font-lock-syntactic-keywords)
|
|
|
|
(if (fboundp 'run-mode-hooks)
|
|
(run-mode-hooks 'ruby-mode-hook)
|
|
(run-hooks 'ruby-mode-hook)))
|
|
|
|
(provide 'ruby-mode)
|