зеркало из https://github.com/github/ruby.git
* misc/ruby-mode.el: fix here-doc strings with inner quotes. patches
by Nathan Weizenbaum <nex342 AT gmail.com> from [ruby-core:17615] through [ruby-core:17910]. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18150 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,9 @@
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Tue Jul 22 09:51:32 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* misc/ruby-mode.el: fix here-doc strings with inner quotes. patches
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by Nathan Weizenbaum <nex342 AT gmail.com> from [ruby-core:17615]
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through [ruby-core:17910].
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Tue Jul 22 04:26:16 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* include/ruby/intern.h (rb_str_buf_new2): optimization for literals.
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@ -49,15 +49,27 @@
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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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"\\(<\\)<\\(-\\)?\\(\\([a-zA-Z0-9_]+\\)\\|[\"]\\([^\"]+\\)[\"]\\|[']\\([^']+\\)[']\\)")
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(defconst ruby-here-doc-end-re
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"^\\([ \t]+\\)?\\(.*\\)\\(.\\)$")
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(defun ruby-here-doc-end-match ()
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(concat "^"
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(if (match-string 1) "[ \t]*" nil)
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(if (match-string 2) "[ \t]*" nil)
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(regexp-quote
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(or (match-string 3)
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(match-string 4)
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(match-string 5)))))
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(or (match-string 4)
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(match-string 5)
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(match-string 6)))))
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(defun ruby-here-doc-beg-match ()
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(let ((contents (regexp-quote (concat (match-string 2) (match-string 3)))))
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(concat "<<"
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(let ((match (match-string 1)))
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(if (and match (> (length match) 0))
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(concat "\\(?:-\\([\"']?\\)\\|\\([\"']\\)" (match-string 1) "\\)"
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contents "\\(\\1\\|\\2\\)")
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(concat "-?\\([\"']\\|\\)" contents "\\1"))))))
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(defconst ruby-delimiter
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(concat "[?$/%(){}#\"'`.:]\\|<<\\|\\[\\|\\]\\|\\<\\("
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@ -172,8 +184,8 @@ Also ignores spaces after parenthesis when 'space."
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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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(let ((index-alist '())
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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 *<<\\)?\\|module\\>\\)\\s *\\([^\(<\n ]+\\)\\|\\(def\\|alias\\)\\>\\s *\\([^\(\n ]+\\)\\)" end t)
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(setq sing (match-beginning 3))
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@ -220,6 +232,7 @@ Also ignores spaces after parenthesis when 'space."
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(defun ruby-mode-variables ()
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(set-syntax-table ruby-mode-syntax-table)
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(setq local-abbrev-table ruby-mode-abbrev-table)
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(setq case-fold-search nil)
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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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@ -235,6 +248,8 @@ Also ignores spaces after parenthesis when 'space."
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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 "$\\|" page-delimiter))
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(make-local-variable 'paragraph-separate)
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@ -645,7 +660,6 @@ The variable ruby-indent-level controls the amount of indentation.
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(save-excursion
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(beginning-of-line)
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(let ((indent-point (point))
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(case-fold-search nil)
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state bol eol begin op-end
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(paren (progn (skip-syntax-forward " ")
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(and (char-after) (matching-paren (char-after)))))
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@ -1090,7 +1104,7 @@ balanced expression is found."
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(setq font-lock-variable-name-face font-lock-type-face))
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(setq ruby-font-lock-syntactic-keywords
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'(
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`(
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;; #{ }, #$hoge, #@foo are not comments
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("\\(#\\)[{$@]" 1 (1 . nil))
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;; the last $', $", $` in the respective string is not variable
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@ -1106,7 +1120,76 @@ balanced expression is found."
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(4 (7 . ?/))
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(6 (7 . ?/)))
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("^\\(=\\)begin\\(\\s \\|$\\)" 1 (7 . nil))
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("^\\(=\\)end\\(\\s \\|$\\)" 1 (7 . nil))))
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("^\\(=\\)end\\(\\s \\|$\\)" 1 (7 . nil))
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(,(concat ruby-here-doc-beg-re ".*\\(\n\\)")
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,(+ 1 (regexp-opt-depth ruby-here-doc-beg-re))
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(ruby-here-doc-beg-syntax))
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(,ruby-here-doc-end-re 3 (ruby-here-doc-end-syntax))))
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(defun ruby-in-non-here-doc-string-p ()
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(let ((syntax (syntax-ppss)))
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(or (nth 4 syntax)
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;; In a string *without* a generic delimiter
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;; If it's generic, it's a heredoc and we don't care
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;; See `parse-partial-sexp'
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(numberp (nth 3 syntax)))))
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(defun ruby-in-here-doc-p ()
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(save-excursion
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(let ((old-point (point)))
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(beginning-of-line)
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(catch 'found-beg
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(while (re-search-backward ruby-here-doc-beg-re nil t)
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(if (not (or (syntax-ppss-context (syntax-ppss))
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(ruby-here-doc-find-end old-point)))
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(throw 'found-beg t)))))))
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(defun ruby-here-doc-find-end (&optional limit)
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"Expects the point to be on a line with one or more heredoc
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openers. Returns the buffer position at which all heredocs on the
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line are terminated, or nil if they aren't terminated before the
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buffer position `limit' or the end of the buffer."
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(save-excursion
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(beginning-of-line)
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(catch 'done
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(let ((eol (save-excursion (end-of-line) (point)))
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;; Fake match data such that (match-end 0) is at eol
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(end-match-data (progn (looking-at ".*$") (match-data)))
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beg-match-data end-re)
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(while (re-search-forward ruby-here-doc-beg-re eol t)
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(setq beg-match-data (match-data))
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(setq end-re (ruby-here-doc-end-match))
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(set-match-data end-match-data)
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(goto-char (match-end 0))
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(unless (re-search-forward end-re limit t) (throw 'done nil))
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(setq end-match-data (match-data))
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(set-match-data beg-match-data)
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(goto-char (match-end 0)))
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(set-match-data end-match-data)
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(goto-char (match-end 0))
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(point)))))
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(defun ruby-here-doc-beg-syntax ()
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(save-excursion
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(goto-char (match-beginning 0))
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(unless (or (ruby-in-non-here-doc-string-p)
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(ruby-in-here-doc-p))
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(string-to-syntax "|"))))
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(defun ruby-here-doc-end-syntax ()
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(save-excursion
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(goto-char (match-end 0))
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(let ((old-point (point))
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(beg-exists (re-search-backward (ruby-here-doc-beg-match) nil t))
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(eol (save-excursion (end-of-line) (point))))
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(if (and beg-exists ; If there is a heredoc that matches this line...
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(null (syntax-ppss-context (syntax-ppss))) ; And that's not inside a heredoc/string/comment...
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(progn (goto-char (match-end 0)) ; And it's the last heredoc on its line...
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(not (re-search-forward ruby-here-doc-beg-re eol t)))
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(eq old-point (ruby-here-doc-find-end old-point))) ; And it ends at this point...
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(string-to-syntax "|")))))
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(if (featurep 'xemacs)
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(put 'ruby-mode 'font-lock-defaults
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@ -1147,35 +1230,7 @@ balanced expression is found."
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(modify-syntax-entry ?_ "w" tbl)
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tbl))
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(defun ruby-font-lock-here-docs (limit)
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(if (re-search-forward ruby-here-doc-beg-re limit t)
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(let (beg)
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(beginning-of-line)
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(forward-line)
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(setq beg (point))
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(if (re-search-forward (ruby-here-doc-end-match) nil t)
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(progn
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(set-match-data (list beg (point)))
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t)))))
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(defun ruby-font-lock-maybe-here-docs (limit)
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(let (beg)
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(save-excursion
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(if (re-search-backward ruby-here-doc-beg-re nil t)
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(progn
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(beginning-of-line)
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(forward-line)
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(setq beg (point)))))
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(if (and beg
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(let ((end-match (ruby-here-doc-end-match)))
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(and (not (re-search-backward end-match beg t))
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(re-search-forward end-match nil t))))
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(progn
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(set-match-data (list beg (point)))
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t)
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nil)))
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(defvar ruby-font-lock-keywords
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(defconst ruby-font-lock-keywords
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(list
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;; functions
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'("^\\s *def\\s +\\([^( \t\n]+\\)"
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@ -1224,6 +1279,8 @@ balanced expression is found."
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"\\|")
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"\\)\\>\\)")
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2)
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;; here-doc beginnings
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(list ruby-here-doc-beg-re 0 'font-lock-string-face)
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;; variables
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'("\\(^\\|[^_:.@$]\\|\\.\\.\\)\\b\\(nil\\|self\\|true\\|false\\)\\>"
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2 font-lock-variable-name-face)
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@ -1237,13 +1294,6 @@ balanced expression is found."
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0 font-lock-comment-face t)
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'(ruby-font-lock-maybe-docs
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0 font-lock-comment-face t)
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;; "here" document
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'(ruby-font-lock-here-docs
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0 font-lock-string-face t)
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'(ruby-font-lock-maybe-here-docs
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0 font-lock-string-face t)
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`(,ruby-here-doc-beg-re
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0 font-lock-string-face t)
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;; general delimited string
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'("\\(^\\|[[ \t\n<+(,=]\\)\\(%[xrqQwW]?\\([^<[{(a-zA-Z0-9 \n]\\)[^\n\\\\]*\\(\\\\.[^\n\\\\]*\\)*\\(\\3\\)\\)"
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(2 font-lock-string-face))
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