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| -rw-r--r-- | misc/ruby-mode.el | 1584 |
1 files changed, 0 insertions, 1584 deletions
diff --git a/misc/ruby-mode.el b/misc/ruby-mode.el deleted file mode 100644 index b1abd18a9e..0000000000 --- a/misc/ruby-mode.el +++ /dev/null @@ -1,1584 +0,0 @@ -;;; ruby-mode.el --- Major mode for editing Ruby files - -;; Copyright (C) 1994, 1995, 1996 1997, 1998, 1999, 2000, 2001, -;; 2002,2003, 2004, 2005, 2006, 2007, 2008 -;; Free Software Foundation, Inc. - -;; Authors: Yukihiro Matsumoto, Nobuyoshi Nakada -;; URL: http://www.emacswiki.org/cgi-bin/wiki/RubyMode -;; Created: Fri Feb 4 14:49:13 JST 1994 -;; Keywords: languages ruby -;; Version: 0.9 - -;; This file is not part of GNU Emacs. However, a newer version of -;; ruby-mode is included in recent releases of GNU Emacs (version 23 -;; and up), but the new version is not guaranteed to be compatible -;; with older versions of Emacs or XEmacs. This file is the last -;; version that aims to keep this compatibility. - -;; You can also get the latest version from the Emacs Lisp Package -;; Archive: http://tromey.com/elpa - -;; This file is free software: you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation, either version 3 of the License, or -;; (at your option) any later version. - -;; It is distributed in the hope that it will be useful, but WITHOUT -;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -;; License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with it. If not, see <http://www.gnu.org/licenses/>. - -;;; Commentary: - -;; Provides font-locking, indentation support, and navigation for Ruby code. -;; -;; If you're installing manually, you should add this to your .emacs -;; file after putting it on your load path: -;; -;; (autoload 'ruby-mode "ruby-mode" "Major mode for ruby files" t) -;; (add-to-list 'auto-mode-alist '("\\.rb$" . ruby-mode)) -;; (add-to-list 'interpreter-mode-alist '("ruby" . ruby-mode)) -;; - -;;; Code: - -(defconst ruby-mode-revision "$Revision$" - "Ruby mode revision string.") - -(defconst ruby-mode-version - (and (string-match "[0-9.]+" ruby-mode-revision) - (substring ruby-mode-revision (match-beginning 0) (match-end 0))) - "Ruby mode version number.") - -(defconst ruby-keyword-end-re - (if (string-match "\\_>" "ruby") - "\\_>" - "\\>")) - -(defconst ruby-block-beg-keywords - '("class" "module" "def" "if" "unless" "case" "while" "until" "for" "begin" "do") - "Keywords at the beginning of blocks.") - -(defconst ruby-block-beg-re - (regexp-opt ruby-block-beg-keywords) - "Regexp to match the beginning of blocks.") - -(defconst ruby-non-block-do-re - (concat (regexp-opt '("while" "until" "for" "rescue") t) ruby-keyword-end-re) - "Regexp to match") - -(defconst ruby-indent-beg-re - (concat "\\(\\s *" (regexp-opt '("class" "module" "def") t) "\\)\\|" - (regexp-opt '("if" "unless" "case" "while" "until" "for" "begin"))) - "Regexp to match where the indentation gets deeper.") - -(defconst ruby-modifier-beg-keywords - '("if" "unless" "while" "until") - "Modifiers that are the same as the beginning of blocks.") - -(defconst ruby-modifier-beg-re - (regexp-opt ruby-modifier-beg-keywords) - "Regexp to match modifiers same as the beginning of blocks.") - -(defconst ruby-modifier-re - (regexp-opt (cons "rescue" ruby-modifier-beg-keywords)) - "Regexp to match modifiers.") - -(defconst ruby-block-mid-keywords - '("then" "else" "elsif" "when" "rescue" "ensure") - "Keywords where the indentation gets shallower in middle of block statements.") - -(defconst ruby-block-mid-re - (regexp-opt ruby-block-mid-keywords) - "Regexp to match where the indentation gets shallower in middle of block statements.") - -(defconst ruby-block-op-keywords - '("and" "or" "not") - "Block operators.") - -(defconst ruby-block-hanging-re - (regexp-opt (append ruby-modifier-beg-keywords ruby-block-op-keywords)) - "Regexp to match hanging block modifiers.") - -(defconst ruby-block-end-re "\\_<end\\_>") - -(defconst ruby-here-doc-beg-re - "\\(<\\)<\\([-~]\\)?\\(\\([a-zA-Z0-9_]+\\)\\|[\"]\\([^\"]+\\)[\"]\\|[']\\([^']+\\)[']\\)") - -(defconst ruby-here-doc-end-re - "^\\([ \t]+\\)?\\(.*\\)\\(.\\)$") - -(defun ruby-here-doc-end-match () - (concat "^" - (if (match-string 2) "[ \t]*" nil) - (regexp-quote - (or (match-string 4) - (match-string 5) - (match-string 6))))) - -(defun ruby-here-doc-beg-match () - (let ((contents (concat - (regexp-quote (concat (match-string 2) (match-string 3))) - (if (string= (match-string 3) "_") "\\B" "\\b")))) - (concat "<<" - (let ((match (match-string 1))) - (if (and match (> (length match) 0)) - (concat "\\(?:[-~]\\([\"']?\\)\\|\\([\"']\\)" (match-string 1) "\\)" - contents "\\(\\1\\|\\2\\)") - (concat "[-~]?\\([\"']\\|\\)" contents "\\1")))))) - -(defconst ruby-delimiter - (concat "[?$/%(){}#\"'`.:]\\|<<\\|\\[\\|\\]\\|\\_<\\(" - ruby-block-beg-re - "\\)\\_>\\|" ruby-block-end-re - "\\|^=begin\\|" ruby-here-doc-beg-re) - ) - -(defconst ruby-negative - (concat "^[ \t]*\\(\\(" ruby-block-mid-re "\\)\\>\\|" - ruby-block-end-re "\\|}\\|\\]\\)") - "Regexp to match where the indentation gets shallower.") - -(defconst ruby-operator-chars "-,.+*/%&|^~=<>:") -(defconst ruby-operator-re (concat "[" ruby-operator-chars "]")) - -(defconst ruby-symbol-chars "a-zA-Z0-9_") -(defconst ruby-symbol-re (concat "[" ruby-symbol-chars "]")) - -(defvar ruby-mode-abbrev-table nil - "Abbrev table in use in ruby-mode buffers.") - -(define-abbrev-table 'ruby-mode-abbrev-table ()) - -(defvar ruby-mode-map nil "Keymap used in ruby mode.") - -(if ruby-mode-map - nil - (setq ruby-mode-map (make-sparse-keymap)) - (define-key ruby-mode-map "{" 'ruby-electric-brace) - (define-key ruby-mode-map "}" 'ruby-electric-brace) - (define-key ruby-mode-map "\e\C-a" 'ruby-beginning-of-defun) - (define-key ruby-mode-map "\e\C-e" 'ruby-end-of-defun) - (define-key ruby-mode-map "\e\C-b" 'ruby-backward-sexp) - (define-key ruby-mode-map "\e\C-f" 'ruby-forward-sexp) - (define-key ruby-mode-map "\e\C-p" 'ruby-beginning-of-block) - (define-key ruby-mode-map "\e\C-n" 'ruby-end-of-block) - (define-key ruby-mode-map "\e\C-h" 'ruby-mark-defun) - (define-key ruby-mode-map "\e\C-q" 'ruby-indent-exp) - (define-key ruby-mode-map "\t" 'ruby-indent-command) - (define-key ruby-mode-map "\C-c\C-e" 'ruby-insert-end) - (define-key ruby-mode-map "\C-j" 'ruby-reindent-then-newline-and-indent) - (define-key ruby-mode-map "\C-c{" 'ruby-toggle-block) - (define-key ruby-mode-map "\C-c\C-u" 'uncomment-region)) - -(defvar ruby-mode-syntax-table nil - "Syntax table in use in ruby-mode buffers.") - -(if ruby-mode-syntax-table - () - (setq ruby-mode-syntax-table (make-syntax-table)) - (modify-syntax-entry ?\' "\"" ruby-mode-syntax-table) - (modify-syntax-entry ?\" "\"" ruby-mode-syntax-table) - (modify-syntax-entry ?\` "\"" ruby-mode-syntax-table) - (modify-syntax-entry ?# "<" ruby-mode-syntax-table) - (modify-syntax-entry ?\n ">" ruby-mode-syntax-table) - (modify-syntax-entry ?\\ "\\" ruby-mode-syntax-table) - (modify-syntax-entry ?$ "." ruby-mode-syntax-table) - (modify-syntax-entry ?? "_" ruby-mode-syntax-table) - (modify-syntax-entry ?_ "_" ruby-mode-syntax-table) - (modify-syntax-entry ?: "_" ruby-mode-syntax-table) - (modify-syntax-entry ?< "." ruby-mode-syntax-table) - (modify-syntax-entry ?> "." ruby-mode-syntax-table) - (modify-syntax-entry ?& "." ruby-mode-syntax-table) - (modify-syntax-entry ?| "." ruby-mode-syntax-table) - (modify-syntax-entry ?% "." ruby-mode-syntax-table) - (modify-syntax-entry ?= "." ruby-mode-syntax-table) - (modify-syntax-entry ?/ "." ruby-mode-syntax-table) - (modify-syntax-entry ?+ "." ruby-mode-syntax-table) - (modify-syntax-entry ?* "." ruby-mode-syntax-table) - (modify-syntax-entry ?- "." ruby-mode-syntax-table) - (modify-syntax-entry ?\; "." ruby-mode-syntax-table) - (modify-syntax-entry ?\( "()" ruby-mode-syntax-table) - (modify-syntax-entry ?\) ")(" ruby-mode-syntax-table) - (modify-syntax-entry ?\{ "(}" ruby-mode-syntax-table) - (modify-syntax-entry ?\} "){" ruby-mode-syntax-table) - (modify-syntax-entry ?\[ "(]" ruby-mode-syntax-table) - (modify-syntax-entry ?\] ")[" ruby-mode-syntax-table) - ) - -(defcustom ruby-indent-tabs-mode nil - "*Indentation can insert tabs in ruby mode if this is non-nil." - :type 'boolean :group 'ruby) -(put 'ruby-indent-tabs-mode 'safe-local-variable 'booleanp) - -(defcustom ruby-indent-level 2 - "*Indentation of ruby statements." - :type 'integer :group 'ruby) -(put 'ruby-indent-level 'safe-local-variable 'integerp) - -(defcustom ruby-comment-column 32 - "*Indentation column of comments." - :type 'integer :group 'ruby) -(put 'ruby-comment-column 'safe-local-variable 'integerp) - -(defcustom ruby-deep-arglist t - "*Deep indent lists in parenthesis when non-nil. -Also ignores spaces after parenthesis when 'space." - :group 'ruby) -(put 'ruby-deep-arglist 'safe-local-variable 'booleanp) - -(defcustom ruby-deep-indent-paren '(?\( ?\[ ?\] t) - "*Deep indent lists in parenthesis when non-nil. t means continuous line. -Also ignores spaces after parenthesis when 'space." - :group 'ruby) - -(defcustom ruby-deep-indent-paren-style 'space - "Default deep indent style." - :options '(t nil space) :group 'ruby) - -(defcustom ruby-encoding-map - '((us-ascii . nil) ;; Do not put coding: us-ascii - (utf-8 . nil) ;; Do not put coding: utf-8 - (shift-jis . cp932) ;; Emacs charset name of Shift_JIS - (shift_jis . cp932) ;; MIME charset name of Shift_JIS - (japanese-cp932 . cp932)) ;; Emacs charset name of CP932 - "Alist to map encoding name from Emacs to Ruby. -Associating an encoding name with nil means it needs not be -explicitly declared in magic comment." - :type '(repeat (cons (symbol :tag "From") (symbol :tag "To"))) - :group 'ruby) - -(defcustom ruby-use-encoding-map t - "*Use `ruby-encoding-map' to set encoding magic comment if this is non-nil." - :type 'boolean :group 'ruby) - -(defvar ruby-indent-point nil "internal variable") - -(eval-when-compile (require 'cl)) -(defun ruby-imenu-create-index-in-block (prefix beg end) - (let ((index-alist '()) (case-fold-search nil) - name next pos decl sing) - (goto-char beg) - (while (re-search-forward "^\\s *\\(\\(class\\s +\\|\\(class\\s *<<\\s *\\)\\|module\\s +\\)\\([^\(<\n ]+\\)\\|\\(def\\|alias\\)\\s +\\([^\(\n ]+\\)\\)" end t) - (setq sing (match-beginning 3)) - (setq decl (match-string 5)) - (setq next (match-end 0)) - (setq name (or (match-string 4) (match-string 6))) - (setq pos (match-beginning 0)) - (cond - ((string= "alias" decl) - (if prefix (setq name (concat prefix name))) - (push (cons name pos) index-alist)) - ((string= "def" decl) - (if prefix - (setq name - (cond - ((string-match "^self\." name) - (concat (substring prefix 0 -1) (substring name 4))) - (t (concat prefix name))))) - (push (cons name pos) index-alist) - (ruby-accurate-end-of-block end)) - (t - (if (string= "self" name) - (if prefix (setq name (substring prefix 0 -1))) - (if prefix (setq name (concat (substring prefix 0 -1) "::" name))) - (push (cons name pos) index-alist)) - (ruby-accurate-end-of-block end) - (setq beg (point)) - (setq index-alist - (nconc (ruby-imenu-create-index-in-block - (concat name (if sing "." "#")) - next beg) index-alist)) - (goto-char beg)))) - index-alist)) - -(defun ruby-imenu-create-index () - (nreverse (ruby-imenu-create-index-in-block nil (point-min) nil))) - -(defun ruby-accurate-end-of-block (&optional end) - (let (state) - (or end (setq end (point-max))) - (while (and (setq state (apply 'ruby-parse-partial end state)) - (>= (nth 2 state) 0) (< (point) end))))) - -(defun ruby-mode-variables () - (set-syntax-table ruby-mode-syntax-table) - (setq show-trailing-whitespace t) - (setq local-abbrev-table ruby-mode-abbrev-table) - (make-local-variable 'indent-line-function) - (setq indent-line-function 'ruby-indent-line) - (make-local-variable 'require-final-newline) - (setq require-final-newline t) - (make-local-variable 'comment-start) - (setq comment-start "# ") - (make-local-variable 'comment-end) - (setq comment-end "") - (make-local-variable 'comment-column) - (setq comment-column ruby-comment-column) - (make-local-variable 'comment-start-skip) - (setq comment-start-skip "#+ *") - (setq indent-tabs-mode ruby-indent-tabs-mode) - (make-local-variable 'parse-sexp-ignore-comments) - (setq parse-sexp-ignore-comments t) - (make-local-variable 'parse-sexp-lookup-properties) - (setq parse-sexp-lookup-properties t) - (make-local-variable 'paragraph-start) - (setq paragraph-start (concat "$\\|" page-delimiter)) - (make-local-variable 'paragraph-separate) - (setq paragraph-separate paragraph-start) - (make-local-variable 'paragraph-ignore-fill-prefix) - (setq paragraph-ignore-fill-prefix t)) - -(defun ruby-mode-set-encoding () - "Insert or update a magic comment header with the proper encoding. -`ruby-encoding-map' is looked up to convert an encoding name from -Emacs to Ruby." - (let* ((nonascii - (save-excursion - (widen) - (goto-char (point-min)) - (re-search-forward "[^\0-\177]" nil t))) - (coding-system - (or coding-system-for-write - buffer-file-coding-system)) - (coding-system - (and coding-system - (coding-system-change-eol-conversion coding-system nil))) - (coding-system - (and coding-system - (or - (coding-system-get coding-system :mime-charset) - (let ((coding-type (coding-system-get coding-system :coding-type))) - (cond ((eq coding-type 'undecided) - (if nonascii - (or (and (coding-system-get coding-system :prefer-utf-8) - 'utf-8) - (coding-system-get default-buffer-file-coding-system :coding-type) - 'ascii-8bit))) - ((memq coding-type '(utf-8 shift-jis)) - coding-type) - (t coding-system)))))) - (coding-system - (or coding-system - 'us-ascii)) - (coding-system - (let ((cons (assq coding-system ruby-encoding-map))) - (if cons (cdr cons) coding-system))) - (coding-system - (and coding-system - (symbol-name coding-system)))) - (if coding-system - (save-excursion - (widen) - (goto-char (point-min)) - (if (looking-at "^#!") (beginning-of-line 2)) - (cond ((looking-at "\\s *#.*-\*-\\s *\\(en\\)?coding\\s *:\\s *\\([-a-z0-9_]*\\)\\s *\\(;\\|-\*-\\)") - (unless (string= (match-string 2) coding-system) - (goto-char (match-beginning 2)) - (delete-region (point) (match-end 2)) - (and (looking-at "-\*-") - (let ((n (skip-chars-backward " "))) - (cond ((= n 0) (insert " ") (backward-char)) - ((= n -1) (insert " ")) - ((forward-char))))) - (insert coding-system))) - ((looking-at "\\s *#.*coding\\s *[:=]")) - (t (when ruby-insert-encoding-magic-comment - (insert "# -*- coding: " coding-system " -*-\n")))))))) - -(defun ruby-current-indentation () - (save-excursion - (beginning-of-line) - (back-to-indentation) - (current-column))) - -(defun ruby-indent-line (&optional flag) - "Correct indentation of the current ruby line." - (ruby-indent-to (ruby-calculate-indent))) - -(defun ruby-indent-command () - (interactive) - (ruby-indent-line t)) - -(defun ruby-indent-to (x) - (if x - (let (shift top beg) - (and (< x 0) (error "invalid nest")) - (setq shift (current-column)) - (beginning-of-line) - (setq beg (point)) - (back-to-indentation) - (setq top (current-column)) - (skip-chars-backward " \t") - (if (>= shift top) (setq shift (- shift top)) - (setq shift 0)) - (if (and (bolp) - (= x top)) - (move-to-column (+ x shift)) - (move-to-column top) - (delete-region beg (point)) - (beginning-of-line) - (indent-to x) - (move-to-column (+ x shift)))))) - -(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) |