зеркало из https://github.com/github/ruby.git
1206 строки
38 KiB
EmacsLisp
1206 строки
38 KiB
EmacsLisp
;;;
|
|
;;; ruby-mode.el -
|
|
;;;
|
|
;;; $Author$
|
|
;;; $Date$
|
|
;;; created at: Fri Feb 4 14:49:13 JST 1994
|
|
;;;
|
|
|
|
(defconst ruby-mode-revision "$Revision$")
|
|
|
|
(defconst ruby-mode-version
|
|
(progn
|
|
(string-match "[0-9.]+" ruby-mode-revision)
|
|
(substring ruby-mode-revision (match-beginning 0) (match-end 0))))
|
|
|
|
(defconst ruby-block-beg-re
|
|
"class\\|module\\|def\\|if\\|unless\\|case\\|while\\|until\\|for\\|begin\\|do"
|
|
)
|
|
|
|
(defconst ruby-non-block-do-re
|
|
"\\(while\\|until\\|for\\|rescue\\)\\>[^_]"
|
|
)
|
|
|
|
(defconst ruby-indent-beg-re
|
|
"\\(\\s *\\(class\\|module\\|def\\)\\)\\|if\\|unless\\|case\\|while\\|until\\|for\\|begin"
|
|
)
|
|
|
|
(defconst ruby-modifier-beg-re
|
|
"if\\|unless\\|while\\|until"
|
|
)
|
|
|
|
(defconst ruby-modifier-re
|
|
(concat ruby-modifier-beg-re "\\|rescue")
|
|
)
|
|
|
|
(defconst ruby-block-mid-re
|
|
"then\\|else\\|elsif\\|when\\|rescue\\|ensure"
|
|
)
|
|
|
|
(defconst ruby-block-op-re
|
|
"and\\|or\\|not"
|
|
)
|
|
|
|
(defconst ruby-block-hanging-re
|
|
(concat ruby-modifier-beg-re "\\|" ruby-block-op-re)
|
|
)
|
|
|
|
(defconst ruby-block-end-re "\\<end\\>\\|;;")
|
|
|
|
(defconst ruby-here-doc-beg-re
|
|
"<<\\(-\\)?\\(\\([a-zA-Z0-9_]+\\)\\|[\"]\\([^\"]+\\)[\"]\\|[']\\([^']+\\)[']\\)")
|
|
|
|
(defun ruby-here-doc-end-match ()
|
|
(concat "^"
|
|
(if (match-string 1) "[ \t]*" nil)
|
|
(regexp-quote
|
|
(or (match-string 3)
|
|
(match-string 4)
|
|
(match-string 5)))))
|
|
|
|
(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 "\\|}\\|\\]\\)")
|
|
)
|
|
|
|
(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-m" 'newline))
|
|
|
|
(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)
|
|
)
|
|
|
|
(defcustom ruby-indent-tabs-mode nil
|
|
"*Indentation can insert tabs in ruby mode if this is non-nil."
|
|
:type 'boolean :group 'ruby)
|
|
|
|
(defcustom ruby-indent-level 2
|
|
"*Indentation of ruby statements."
|
|
:type 'integer :group 'ruby)
|
|
|
|
(defcustom ruby-comment-column 32
|
|
"*Indentation column of comments."
|
|
:type 'integer :group 'ruby)
|
|
|
|
(defcustom ruby-deep-arglist t
|
|
"*Deep indent lists in parenthesis when non-nil.
|
|
Also ignores spaces after parenthesis when 'space."
|
|
:group 'ruby)
|
|
|
|
(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)
|
|
|
|
(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 *<<\\)?\\|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 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-variable-buffer-local 'comment-start)
|
|
(setq comment-start "# ")
|
|
(make-variable-buffer-local 'comment-end)
|
|
(setq comment-end "")
|
|
(make-variable-buffer-local 'comment-column)
|
|
(setq comment-column ruby-comment-column)
|
|
(make-variable-buffer-local '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 '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))
|
|
|
|
;;;###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)
|
|
|
|
(run-hooks 'ruby-mode-hook))
|
|
|
|
(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-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 (char-before (point))) ?w)
|
|
(ruby-special-char-p))))
|
|
nil)
|
|
((and (eq option 'heredoc) (< space 0)) t)
|
|
((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
|
|
((or (looking-at (concat "\\<\\(" ruby-block-beg-re
|
|
"|" ruby-block-op-re
|
|
"|" ruby-block-mid-re "\\)\\>")))
|
|
(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)
|
|
(cond ((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) '(?@ ?$)) (looking-at "\\sw"))
|
|
(goto-char pnt))
|
|
((looking-at "[\"`]") ;skip string
|
|
(cond
|
|
((and (not (eobp))
|
|
(ruby-forward-string (buffer-substring (point) (1+ (point))) end t t))
|
|
nil)
|
|
(t
|
|
(setq in-string (point))
|
|
(goto-char end))))
|
|
((looking-at "'")
|
|
(cond
|
|
((and (not (eobp))
|
|
(re-search-forward "[^\\]\\(\\\\\\\\\\)*'" end t))
|
|
nil)
|
|
(t
|
|
(setq in-string (point))
|
|
(goto-char end))))
|
|
((looking-at "/")
|
|
(cond
|
|
((and (not (eobp)) (ruby-expr-beg 'expr-re))
|
|
(if (ruby-forward-string "/" end t t)
|
|
nil
|
|
(setq in-string (point))
|
|
(goto-char end)))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "%")
|
|
(cond
|
|
((and (not (eobp))
|
|
(ruby-expr-beg 'expr-qstr)
|
|
(not (looking-at "%="))
|
|
(looking-at "%[QqrxWw]?\\([^a-zA-Z0-9 \t\n]\\)"))
|
|
(goto-char (match-beginning 1))
|
|
(setq expand (not (memq (char-before) '(?q ?w))))
|
|
(setq w (match-string 1))
|
|
(cond
|
|
((string= w "[") (setq re "]["))
|
|
((string= w "{") (setq re "}{"))
|
|
((string= w "(") (setq re ")("))
|
|
((string= w "<") (setq re "><"))
|
|
((and expand (string= w "\\"))
|
|
(setq w (concat "\\" w))))
|
|
(unless (cond (re (ruby-forward-string re end t expand))
|
|
(expand (ruby-forward-string w end t t))
|
|
(t (re-search-forward
|
|
(if (string= w "\\")
|
|
"\\\\[^\\]*\\\\"
|
|
(concat "[^\\]\\(\\\\\\\\\\)*" w))
|
|
end t)))
|
|
(setq in-string (point))
|
|
(goto-char end)))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "\\?") ;skip ?char
|
|
(cond
|
|
((and (ruby-expr-beg)
|
|
(looking-at "?\\(\\\\C-\\|\\\\M-\\)*\\\\?."))
|
|
(goto-char (match-end 0)))
|
|
(t
|
|
(goto-char pnt))))
|
|
((looking-at "\\$") ;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)) pnt) 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)))
|
|
(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 "do\\>[^_]"))
|
|
(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))
|
|
(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 ":\\(['\"]\\)\\(\\\\.\\|[^\\\\]\\)*\\1")
|
|
(goto-char (match-end 0)))
|
|
((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)
|
|
indent-point t)
|
|
(forward-line 1)
|
|
(setq in-string (match-end 0))
|
|
(goto-char 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 ((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 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)))))
|
|
(if deep
|
|
(cond ((and (eq deep t) (eq (car (nth 1 state)) paren))
|
|
(skip-syntax-backward " ")
|
|
(setq indent (1- (current-column))))
|
|
((let ((s (ruby-parse-region (point) 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))
|
|
(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 indent-point)
|
|
(end-of-line)
|
|
(setq eol (point))
|
|
(beginning-of-line)
|
|
(cond
|
|
((and (not (ruby-deep-indent-paren-p paren))
|
|
(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 (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)))
|
|
(save-excursion
|
|
(widen)
|
|
(goto-char (or begin parse-start))
|
|
(skip-syntax-forward " ")
|
|
(current-column)))
|
|
((car (nth 1 state)) indent)
|
|
(t
|
|
(+ indent ruby-indent-level))))))))
|
|
indent)))
|
|
|
|
(defun ruby-electric-brace (arg)
|
|
(interactive "P")
|
|
(insert-char last-command-char 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 "\\)\\b")
|
|
nil 'move (or arg 1))
|
|
(progn (beginning-of-line) t)))
|
|
|
|
(defun ruby-beginning-of-indent ()
|
|
(and (re-search-backward (concat "^\\(" ruby-indent-beg-re "\\)\\b")
|
|
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)
|
|
(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 *$"))
|
|
((looking-at "^\\s *#"))
|
|
((and (> n 0) (looking-at "^=begin\\>"))
|
|
(re-search-forward "^=end\\>"))
|
|
((and (< n 0) (looking-at "^=end\\>"))
|
|
(re-search-backward "^=begin\\>"))
|
|
(t
|
|
(setq pos (current-indentation))
|
|
(cond
|
|
((< start pos)
|
|
(setq down t))
|
|
((and down (= pos start))
|
|
(setq done t))
|
|
((> start pos)
|
|
(setq done t)))))
|
|
(if done
|
|
(save-excursion
|
|
(back-to-indentation)
|
|
(if (looking-at (concat "\\<\\(" ruby-block-mid-re "\\)\\>"))
|
|
(setq done nil))))))
|
|
(back-to-indentation))
|
|
|
|
(defun-region-command ruby-beginning-of-block (&optional arg)
|
|
"Move backward to next beginning-of-block"
|
|
(interactive "p")
|
|
(ruby-move-to-block (- (or arg 1))))
|
|
|
|
(defun-region-command ruby-end-of-block (&optional arg)
|
|
"Move forward to next beginning-of-block"
|
|
(interactive "p")
|
|
(ruby-move-to-block (or arg 1)))
|
|
|
|
(defun-region-command ruby-forward-sexp (&optional cnt)
|
|
(interactive "p")
|
|
(if (and (numberp cnt) (< cnt 0))
|
|
(ruby-backward-sexp (- cnt))
|
|
(let ((i (or cnt 1)))
|
|
(condition-case nil
|
|
(while (> i 0)
|
|
(skip-syntax-forward " ")
|
|
(cond ((looking-at "\\?\\(\\\\[CM]-\\)*\\\\?\\S ")
|
|
(goto-char (match-end 0)))
|
|
((progn
|
|
(skip-chars-forward ",.:;|&^~=!?\\+\\-\\*")
|
|
(looking-at "\\s("))
|
|
(goto-char (scan-sexps (point) 1)))
|
|
((and (looking-at (concat "\\<\\(" ruby-block-beg-re "\\)\\>"))
|
|
(not (eq (char-before (point)) ?.))
|
|
(not (eq (char-before (point)) ?:)))
|
|
(ruby-end-of-block)
|
|
(forward-word 1))
|
|
((looking-at "\\(\\$\\|@@?\\)?\\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 ((mlist nil) (indent 0))
|
|
;; get current method (or class/module)
|
|
(if (re-search-backward
|
|
(concat "^[ \t]*\\(def\\|class\\|module\\)[ \t]+"
|
|
"\\("
|
|
;; \\. for class method
|
|
"\\(" ruby-symbol-re "\\|\\." "\\)"
|
|
"+\\)")
|
|
nil t)
|
|
(progn
|
|
(setq mlist (list (match-string 2)))
|
|
(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))))
|
|
;; generate string
|
|
(if (consp mlist)
|
|
(mapconcat (function identity) mlist "::")
|
|
nil)))))
|
|
|
|
(cond
|
|
((featurep 'font-lock)
|
|
(or (boundp 'font-lock-variable-name-face)
|
|
(setq font-lock-variable-name-face font-lock-type-face))
|
|
|
|
(setq 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))))
|
|
|
|
(cond ((featurep 'xemacs)
|
|
(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))))
|
|
(t
|
|
(add-hook 'ruby-mode-hook
|
|
'(lambda ()
|
|
(make-local-variable 'font-lock-defaults)
|
|
(make-local-variable 'font-lock-keywords)
|
|
(make-local-variable 'font-lock-syntax-table)
|
|
(make-local-variable 'font-lock-syntactic-keywords)
|
|
(setq font-lock-defaults '((ruby-font-lock-keywords) nil nil))
|
|
(setq font-lock-keywords ruby-font-lock-keywords)
|
|
(setq font-lock-syntax-table ruby-font-lock-syntax-table)
|
|
(setq 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))
|
|
|
|
(defun ruby-font-lock-here-docs (limit)
|
|
(if (re-search-forward ruby-here-doc-beg-re limit t)
|
|
(let (beg)
|
|
(beginning-of-line)
|
|
(forward-line)
|
|
(setq beg (point))
|
|
(if (re-search-forward (ruby-here-doc-end-match) nil t)
|
|
(progn
|
|
(set-match-data (list beg (point)))
|
|
t)))))
|
|
|
|
(defun ruby-font-lock-maybe-here-docs (limit)
|
|
(let (beg)
|
|
(save-excursion
|
|
(if (re-search-backward ruby-here-doc-beg-re nil t)
|
|
(progn
|
|
(beginning-of-line)
|
|
(forward-line)
|
|
(setq beg (point)))))
|
|
(if (and beg
|
|
(let ((end-match (ruby-here-doc-end-match)))
|
|
(and (not (re-search-backward end-match beg t))
|
|
(re-search-forward end-match nil t))))
|
|
(progn
|
|
(set-match-data (list beg (point)))
|
|
t)
|
|
nil)))
|
|
|
|
(defvar ruby-font-lock-keywords
|
|
(list
|
|
;; functions
|
|
'("^\\s *def\\s +\\([^( \t\n]+\\)"
|
|
1 font-lock-function-name-face)
|
|
;; keywords
|
|
(cons (concat
|
|
"\\(^\\|[^_:.@$]\\|\\.\\.\\)\\b\\(defined\\?\\|\\("
|
|
(mapconcat
|
|
'identity
|
|
'("alias"
|
|
"and"
|
|
"begin"
|
|
"break"
|
|
"case"
|
|
"catch"
|
|
"class"
|
|
"def"
|
|
"do"
|
|
"elsif"
|
|
"else"
|
|
"fail"
|
|
"ensure"
|
|
"for"
|
|
"end"
|
|
"if"
|
|
"in"
|
|
"module"
|
|
"next"
|
|
"not"
|
|
"or"
|
|
"raise"
|
|
"redo"
|
|
"rescue"
|
|
"retry"
|
|
"return"
|
|
"then"
|
|
"throw"
|
|
"super"
|
|
"unless"
|
|
"undef"
|
|
"until"
|
|
"when"
|
|
"while"
|
|
"yield"
|
|
)
|
|
"\\|")
|
|
"\\)\\>\\)")
|
|
2)
|
|
;; variables
|
|
'("\\(^\\|[^_:.@$]\\|\\.\\.\\)\\b\\(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)
|
|
;; "here" document
|
|
'(ruby-font-lock-here-docs
|
|
0 font-lock-string-face t)
|
|
'(ruby-font-lock-maybe-here-docs
|
|
0 font-lock-string-face t)
|
|
`(,ruby-here-doc-beg-re
|
|
0 font-lock-string-face t)
|
|
;; general delimited string
|
|
'("\\(^\\|[[ \t\n<+(,=]\\)\\(%[xrqQwW]?\\([^<[{(a-zA-Z0-9 \n]\\)[^\n\\\\]*\\(\\\\.[^\n\\\\]*\\)*\\(\\3\\)\\)"
|
|
(2 font-lock-string-face))
|
|
;; constants
|
|
'("\\(^\\|[^_]\\)\\b\\([A-Z]+\\(\\w\\|_\\)*\\)"
|
|
2 font-lock-type-face)
|
|
;; symbols
|
|
'("\\(^\\|[^:]\\)\\(:\\([-+~]@?\\|[/%&|^`]\\|\\*\\*?\\|<\\(<\\|=>?\\)?\\|>[>=]?\\|===?\\|=~\\|\\[\\]=?\\|\\(\\w\\|_\\)+\\([!?=]\\|\\b_*\\)\\|#{[^}\n\\\\]*\\(\\\\.[^}\n\\\\]*\\)*}\\)\\)"
|
|
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."))
|
|
|
|
((featurep 'hilit19)
|
|
(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))))
|
|
)
|
|
|
|
|
|
(provide 'ruby-mode)
|