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groovy-mode.el
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;;;
;;; groovy-mode.el
;;;
;;; Author: Jeremy Rayner - http://javanicus.com
;;; $Date: 2008-05-04 03:10:28 -0500 (Sun, 04 May 2008) $
;;;
;;; based on ruby-mode.el from
;;; ruby stable snapshot - Wed Nov 24 04:01:06 JST 2004
;;;
(defconst groovy-mode-revision "$Revision: 12256 $")
(defconst groovy-mode-version
(progn
(string-match "[0-9.]+" groovy-mode-revision)
(substring groovy-mode-revision (match-beginning 0) (match-end 0))))
(defconst groovy-block-beg-re
"todo ignore for now as it performs strangely... (jez 23-nov-2004)"
)
(defconst groovy-non-block-do-re
"\\(while\\|for\\)\\>"
)
(defconst groovy-indent-beg-re
"\\(\\s *\\(class\\|module\\|def\\)\\)\\|if\\|case\\|while\\|for"
)
(defconst groovy-modifier-beg-re
"if\\|while"
)
(defconst groovy-here-doc-beg-re
"<<\\(-\\)?\\(\\([a-zA-Z0-9_]+\\)\\|[\"]\\([^\"]+\\)[\"]\\|[']\\([^']+\\)[']\\)")
(defun groovy-here-doc-end-match ()
(concat "^"
(if (match-string 1) "[ \t]*" nil)
(regexp-quote
(or (match-string 3)
(match-string 4)
(match-string 5)))))
(defconst groovy-delimiter
(concat "[?$/%(){}#\"'`.:]\\|<<\\|\\[\\|\\]\\|\\<\\("
groovy-block-beg-re
"\\|}\\)\\>\\|^=begin\\|"
groovy-here-doc-beg-re)
)
(defconst groovy-negative
(concat "^[ \t]*\\(\\>\\|\\("
"}\\)\\>\\|}\\|\\]\\)")
)
(defconst groovy-operator-chars "-,.+*/%&|^~=<>:")
(defconst groovy-operator-re (concat "[" groovy-operator-chars "]"))
(defconst groovy-symbol-chars "a-zA-Z0-9_")
(defconst groovy-symbol-re (concat "[" groovy-symbol-chars "]"))
(defvar groovy-mode-abbrev-table nil
"Abbrev table in use in groovy-mode buffers.")
(define-abbrev-table 'groovy-mode-abbrev-table ())
(defvar groovy-mode-map nil "Keymap used in groovy mode.")
(if groovy-mode-map
nil
(setq groovy-mode-map (make-sparse-keymap))
(define-key groovy-mode-map "{" 'groovy-electric-brace)
(define-key groovy-mode-map "}" 'groovy-electric-brace)
(define-key groovy-mode-map "\e\C-a" 'groovy-beginning-of-defun)
(define-key groovy-mode-map "\e\C-e" 'groovy-end-of-defun)
(define-key groovy-mode-map "\e\C-b" 'groovy-backward-sexp)
(define-key groovy-mode-map "\e\C-f" 'groovy-forward-sexp)
(define-key groovy-mode-map "\e\C-p" 'groovy-beginning-of-block)
(define-key groovy-mode-map "\e\C-n" 'groovy-end-of-block)
(define-key groovy-mode-map "\e\C-h" 'groovy-mark-defun)
(define-key groovy-mode-map "\e\C-q" 'groovy-indent-exp)
(define-key groovy-mode-map "\t" 'groovy-indent-command)
(define-key groovy-mode-map "\C-c\C-e" 'groovy-insert-end)
(define-key groovy-mode-map "\C-j" 'groovy-reindent-then-newline-and-indent)
(define-key groovy-mode-map "\C-m" 'newline))
(defvar groovy-mode-syntax-table nil
"Syntax table in use in groovy-mode buffers.")
(if groovy-mode-syntax-table
()
(setq groovy-mode-syntax-table (make-syntax-table))
(modify-syntax-entry ?\' "\"" groovy-mode-syntax-table)
(modify-syntax-entry ?\" "\"" groovy-mode-syntax-table)
(modify-syntax-entry ?` "\"" groovy-mode-syntax-table)
(modify-syntax-entry ?/ ". 124b" groovy-mode-syntax-table)
(modify-syntax-entry ?\n "> b" groovy-mode-syntax-table)
(modify-syntax-entry ?\\ "\\" groovy-mode-syntax-table)
(modify-syntax-entry ?$ "." groovy-mode-syntax-table)
(modify-syntax-entry ?? "_" groovy-mode-syntax-table)
(modify-syntax-entry ?_ "_" groovy-mode-syntax-table)
(modify-syntax-entry ?< "." groovy-mode-syntax-table)
(modify-syntax-entry ?> "." groovy-mode-syntax-table)
(modify-syntax-entry ?& "." groovy-mode-syntax-table)
(modify-syntax-entry ?| "." groovy-mode-syntax-table)
(modify-syntax-entry ?% "." groovy-mode-syntax-table)
(modify-syntax-entry ?= "." groovy-mode-syntax-table)
(modify-syntax-entry ?+ "." groovy-mode-syntax-table)
(modify-syntax-entry ?* ". 23" groovy-mode-syntax-table)
(modify-syntax-entry ?- "." groovy-mode-syntax-table)
(modify-syntax-entry ?\; "." groovy-mode-syntax-table)
(modify-syntax-entry ?\( "()" groovy-mode-syntax-table)
(modify-syntax-entry ?\) ")(" groovy-mode-syntax-table)
(modify-syntax-entry ?\{ "(}" groovy-mode-syntax-table)
(modify-syntax-entry ?\} "){" groovy-mode-syntax-table)
(modify-syntax-entry ?\[ "(]" groovy-mode-syntax-table)
(modify-syntax-entry ?\] ")[" groovy-mode-syntax-table)
)
(defcustom groovy-indent-tabs-mode nil
"*Indentation can insert tabs in groovy mode if this is non-nil."
:type 'boolean :group 'groovy)
(defcustom groovy-indent-level 4
"*Indentation of groovy statements."
:type 'integer :group 'groovy)
(defcustom groovy-comment-column 32
"*Indentation column of comments."
:type 'integer :group 'groovy)
(defcustom groovy-deep-arglist t
"*Deep indent lists in parenthesis when non-nil.
Also ignores spaces after parenthesis when 'space."
:group 'groovy)
(defcustom groovy-deep-indent-paren '(?\( t)
"*Deep indent lists in parenthesis when non-nil. t means continuous line.
Also ignores spaces after parenthesis when 'space."
:group 'groovy)
(defcustom groovy-deep-indent-paren-style 'space
"Default deep indent style."
:options '(t nil space) :group 'groovy)
(eval-when-compile (require 'cl))
(defun groovy-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)
(groovy-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))
(groovy-accurate-end-of-block end)
(setq beg (point))
(setq index-alist
(nconc (groovy-imenu-create-index-in-block
(concat name (if sing "." "#"))
next beg) index-alist))
(goto-char beg))))
index-alist))
(defun groovy-imenu-create-index ()
(nreverse (groovy-imenu-create-index-in-block nil (point-min) nil)))
(defun groovy-accurate-end-of-block (&optional end)
(let (state)
(or end (setq end (point-max)))
(while (and (setq state (apply 'groovy-parse-partial end state))
(>= (nth 2 state) 0) (< (point) end)))))
(defun groovy-mode-variables ()
(set-syntax-table groovy-mode-syntax-table)
(setq local-abbrev-table groovy-mode-abbrev-table)
(make-local-variable 'indent-line-function)
(setq indent-line-function 'groovy-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 groovy-comment-column)
(make-variable-buffer-local 'comment-start-skip)
(setq comment-start-skip "//+ *")
(setq indent-tabs-mode groovy-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 "$\\|" page-delimiter))
(make-local-variable 'paragraph-separate)
(setq paragraph-separate paragraph-start)
(make-local-variable 'paragraph-ignore-fill-prefix)
(setq paragraph-ignore-fill-prefix t))
;;;###autoload (add-to-list 'auto-mode-alist '("\\.groovy$" . groovy-mode))
;;;###autoload
(defun groovy-mode ()
"Major mode for editing groovy scripts.
\\[groovy-indent-command] properly indents subexpressions of multi-line
class, module, def, if, while, for, do, and case statements, taking
nesting into account.
The variable groovy-indent-level controls the amount of indentation.
\\{groovy-mode-map}"
(interactive)
(kill-all-local-variables)
(use-local-map groovy-mode-map)
(setq mode-name "Groovy")
(setq major-mode 'groovy-mode)
(groovy-mode-variables)
(make-local-variable 'imenu-create-index-function)
(setq imenu-create-index-function 'groovy-imenu-create-index)
(make-local-variable 'add-log-current-defun-function)
(setq add-log-current-defun-function 'groovy-add-log-current-method)
(run-hooks 'groovy-mode-hook))
(defun groovy-current-indentation ()
(save-excursion
(beginning-of-line)
(back-to-indentation)
(current-column)))
(defun groovy-indent-line (&optional flag)
"Correct indentation of the current groovy line."
(groovy-indent-to (groovy-calculate-indent)))
(defun groovy-indent-command ()
(interactive)
(groovy-indent-line t))
(defun groovy-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 groovy-special-char-p (&optional pnt)
(let ((c (char-before (or pnt (point)))))
(cond ((or (eq c ??) (eq c ?$)))
((eq c ?\\)
(eq (char-before (1- (or pnt (point)))) ??)))))
(defun groovy-expr-beg (&optional option)
(save-excursion
(store-match-data nil)
(let ((space (skip-chars-backward " \t")))
(cond
((bolp) t)
((progn
(forward-char -1)
(and (looking-at "\\?")
(or (eq (char-syntax (char-before (point))) ?w)
(groovy-special-char-p))))
nil)
((or (looking-at groovy-operator-re)
(looking-at "[\\[({,;]")
(and (or (not (eq option 'heredoc))
(< space 0))
(looking-at "[!?]")
(or (not (eq option 'modifier))
(bolp)
(save-excursion (forward-char -1) (looking-at "\\Sw"))))
(and (looking-at groovy-symbol-re)
(skip-chars-backward groovy-symbol-chars)
(cond
((or (looking-at (concat "\\<\\(" groovy-block-beg-re
"|" groovy-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 groovy-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)
(groovy-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 groovy-deep-indent-paren-p (c)
(cond ((listp groovy-deep-indent-paren)
(let ((deep (assoc c groovy-deep-indent-paren)))
(cond (deep
(or (cdr deep) groovy-deep-indent-paren-style))
((memq c groovy-deep-indent-paren)
groovy-deep-indent-paren-style))))
((eq c groovy-deep-indent-paren) groovy-deep-indent-paren-style)
((eq c ?\( ) groovy-deep-arglist)))
(defun groovy-parse-partial (&optional end in-string nest depth pcol indent)
(or depth (setq depth 0))
(or indent (setq indent 0))
(when (re-search-forward groovy-delimiter end 'move)
(let ((pnt (point)) w re expand)
(goto-char (match-beginning 0))
(cond
((and (memq (char-before) '(?@ ?$)) (looking-at "\\sw"))
(goto-char pnt))
((looking-at "[\"`]") ;skip string
(cond
((and (not (eobp))
(groovy-forward-string (buffer-substring (point) (1+ (point))) end t t))
nil)
(t
(setq in-string (point))
(goto-char end))))
((looking-at "'")
(cond
((and (not (eobp))
(re-search-forward "[^\\]\\(\\\\\\\\\\)*'" end t))
nil)
(t
(setq in-string (point))
(goto-char end))))
((looking-at "/")
(cond
((and (not (eobp)) (groovy-expr-beg 'expr-re))
(if (groovy-forward-string "/" end t t)
nil
(setq in-string (point))
(goto-char end)))
(t
(goto-char pnt))))
((looking-at "%")
(cond
((and (not (eobp))
(groovy-expr-beg 'expr-qstr)
(not (looking-at "%="))
(looking-at "%[QqrxWw]?\\(.\\)"))
(goto-char (match-beginning 1))
(setq expand (not (memq (char-before) '(?q ?w))))
(setq w (match-string 1))
(cond
((string= w "[") (setq re "]["))
((string= w "{") (setq re "}{"))
((string= w "(") (setq re ")("))
((string= w "<") (setq re "><"))
((and expand (string= w "\\"))
(setq w (concat "\\" w))))
(unless (cond (re (groovy-forward-string re end t expand))
(expand (groovy-forward-string w end t t))
(t (re-search-forward
(if (string= w "\\")
"\\\\[^\\]*\\\\"
(concat "[^\\]\\(\\\\\\\\\\)*" w))
end t)))
(setq in-string (point))
(goto-char end)))
(t
(goto-char pnt))))
((looking-at "\\?") ;skip ?char
(cond
((and (groovy-expr-beg)
(looking-at "?\\(\\\\C-\\|\\\\M-\\)*\\\\?."))
(goto-char (match-end 0)))
(t
(goto-char pnt))))
((looking-at "\\$") ;skip $char
(goto-char pnt)
(forward-char 1))
((looking-at "#") ;skip comment
(forward-line 1)
(goto-char (point))
)
((looking-at "[\\[{(]")
(let ((deep (groovy-deep-indent-paren-p (char-after))))
(if (and deep (or (not (eq (char-after) ?\{)) (groovy-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 (groovy-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 (concat "\\<\\(}\\)\\>"))
(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 "\\<\\(" groovy-block-beg-re "\\)\\>"))
(and
(save-match-data
(or (not (looking-at "do\\>[^_]"))
(save-excursion
(back-to-indentation)
(not (looking-at groovy-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 groovy-modifier-beg-re))
(groovy-expr-beg 'modifier))
(goto-char pnt)
(setq nest (cons (cons nil pnt) nest))
(setq depth (1+ depth)))
(goto-char pnt))
((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 (groovy-expr-beg 'heredoc)
(looking-at "<<\\(-\\)?\\(\\([\"'`]\\)\\([^\n]+?\\)\\3\\|\\sw+\\)"))
(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 'groovy-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 groovy-here-doc-beg-re)
(if (re-search-forward (groovy-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 groovy-parse-region (start end)
(let (state)
(save-excursion
(if start
(goto-char start)
(groovy-beginning-of-indent))
(save-restriction
(narrow-to-region (point) end)
(while (and (> end (point))
(setq state (apply 'groovy-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 groovy-indent-size (pos nest)
(+ pos (* (or nest 1) groovy-indent-level)))
(defun groovy-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)
(groovy-beginning-of-indent)
(setq parse-start (point)))
(back-to-indentation)
(setq indent (current-column))
(setq state (groovy-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 (groovy-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 (groovy-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 (groovy-indent-size (current-column) (nth 2 state))))
(t
(setq indent (current-column))
(cond ((eq deep 'space))
(paren (setq indent (1- indent)))
(t (setq indent (groovy-indent-size (1- indent) 1))))))
(if (nth 3 state) (goto-char (nth 3 state))
(goto-char parse-start) (back-to-indentation))
(setq indent (groovy-indent-size (current-column) (nth 2 state))))))
((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 (groovy-indent-size (current-column) (nth 2 state))))
(t
(setq indent (+ (current-column) groovy-indent-level)))))
((and (nth 2 state) (< (nth 2 state) 0)) ; in negative nest
(setq indent (groovy-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 (groovy-deep-indent-paren-p paren))
(re-search-forward groovy-negative eol t))
(and (not (eq ?_ (char-after (match-end 0))))
(setq indent (- indent groovy-indent-level))))
((and
(save-excursion
(beginning-of-line)
(not (bobp)))
(or (groovy-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 (groovy-special-char-p end)
(and (setq state (groovy-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 (groovy-parse-region parse-start (point))))
(or (bobp) (forward-char -1))
(and
(or (and (looking-at groovy-symbol-re)
(skip-chars-backward groovy-symbol-chars)
(looking-at (concat "\\<\\(" groovy-modifier-beg-re "\\)\\>"))
(not (eq (point) (nth 3 state)))
(save-excursion
(goto-char (match-end 0))
(not (looking-at "[a-z_]"))))
(and (looking-at groovy-operator-re)
(save-excursion
(backward-char)
(not (looking-at "->")))
(save-excursion
(beginning-of-line)
(not (looking-at "\\s-*import\\>")))
(not (groovy-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 (groovy-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 "\\<\\(" groovy-modifier-beg-re "\\)\\>")))
(eq (groovy-deep-indent-paren-p t) 'space)
(not (bobp)))
(save-excursion
(widen)
(goto-char (or begin parse-start))
(skip-syntax-forward " ")
(current-column)))
(t
(+ indent groovy-indent-level))))))))
indent)))
(defun groovy-electric-brace (arg)
(interactive "P")
(insert-char last-command-char 1)
(groovy-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 groovy-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 "^\\(" groovy-block-beg-re "\\)\\b")
nil 'move (or arg 1))
(progn (beginning-of-line) t)))
(defun groovy-beginning-of-indent ()
(and (re-search-backward (concat "^\\(" groovy-indent-beg-re "\\)\\b")
nil 'move)
(progn
(beginning-of-line)
t)))
(defun-region-command groovy-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 "^\\(}\\)\\($\\|\\b[^_]\\)")
nil 'move (or arg 1))
(progn (beginning-of-line) t))
(forward-line 1))
(defun groovy-move-to-block (n)
(let (start pos done down)
(setq start (groovy-calculate-indent))
(setq down (looking-at (concat "\\<\\(" (if (< n 0) "}" groovy-block-beg-re) "\\)\\>")))
(while (and (not done) (not (if (< n 0) (bobp) (eobp))))
(forward-line n)
(cond
((looking-at "^\\s *$"))
((looking-at "^\\s *#"))
((and (> n 0) (looking-at "^=begin\\>"))
(re-search-forward "^=end\\>"))
((and (< n 0) (looking-at "^=end\\>"))
(re-search-backward "^=begin\\>"))
(t
(setq pos (current-indentation))
(cond
((< start pos)
(setq down t))
((and down (= pos start))
(setq done t))
((> start pos)
(setq done t)))))
(if done
(save-excursion
(back-to-indentation)
(if (looking-at (concat "\\<\\(" groovy-block-mid-re "\\)\\>"))
(setq done nil))))))
(back-to-indentation))
(defun-region-command groovy-beginning-of-block (&optional arg)
"Move backward to next beginning-of-block"
(interactive "p")
(groovy-move-to-block (- (or arg 1))))
(defun-region-command groovy-end-of-block (&optional arg)
"Move forward to next beginning-of-block"
(interactive "p")
(groovy-move-to-block (or arg 1)))
(defun-region-command groovy-forward-sexp (&optional cnt)
(interactive "p")
(if (and (numberp cnt) (< cnt 0))
(groovy-backward-sexp (- cnt))
(let ((i (or cnt 1)))
(condition-case nil
(while (> i 0)
(skip-syntax-forward " ")
(cond ((looking-at "\\?\\(\\\\[CM]-\\)*\\\\?\\S ")
(goto-char (match-end 0)))
((progn
(skip-chars-forward ",.:;|&^~=!?\\+\\-\\*")
(looking-at "\\s("))
(goto-char (scan-sexps (point) 1)))
((and (looking-at (concat "\\<\\(" groovy-block-beg-re "\\)\\>"))
(not (eq (char-before (point)) ?.))
(not (eq (char-before (point)) ?:)))
(groovy-end-of-block)
(forward-word 1))
((looking-at "\\(\\$\\|@@?\\)?\\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 (groovy-expr-beg)
(looking-at "%\\sw?\\Sw\\|[\"'`/]")))
(nth 1 (setq state (apply 'groovy-parse-partial nil state))))
(setq expr t)
(skip-chars-forward "<"))
(not expr))))
(setq i (1- i)))
((error) (forward-word 1)))
i)))
(defun-region-command groovy-backward-sexp (&optional cnt)
(interactive "p")
(if (and (numberp cnt) (< cnt 0))
(groovy-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 (groovy-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 (concat "\\<\\(}\\)\\>"))
(groovy-beginning-of-block))
nil))
(setq i (1- i)))
((error)))
i)))
(defun groovy-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 'groovy-encomment-region (symbol-function 'comment-region))
(defun groovy-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
(groovy-indent-line)))))
(defun groovy-insert-end ()
(interactive)
(insert "end")
(groovy-indent-line t)
(end-of-line))
(defun groovy-mark-defun ()
"Put mark at end of this Groovy function, point at beginning."
(interactive)
(push-mark (point))
(groovy-end-of-defun)
(push-mark (point) nil t)
(groovy-beginning-of-defun)
(re-search-backward "^\n" (- (point) 1) t))
(defun groovy-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 (groovy-calculate-indent start))
(cond ((> column top)
(setq nest t))
((and (= column top) nest)
(setq nest nil) t))))
(groovy-indent-to column)
(beginning-of-line 2)))
(goto-char here)
(set-marker here nil))))
(defun groovy-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
"\\(" groovy-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]" groovy-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 groovy-font-lock-syntactic-keywords
'(
;; 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\\|else\\|it\\|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 'groovy-mode 'font-lock-defaults
'((groovy-font-lock-keywords)
nil nil nil