diff options
Diffstat (limited to 'sample/ruby-mode.el')
| -rw-r--r-- | sample/ruby-mode.el | 305 |
1 files changed, 188 insertions, 117 deletions
diff --git a/sample/ruby-mode.el b/sample/ruby-mode.el index bcbbdc35f3..b555994fea 100644 --- a/sample/ruby-mode.el +++ b/sample/ruby-mode.el @@ -12,21 +12,24 @@ ) (defconst ruby-block-mid-re - "else\\|elsif\\|when\\|resque\\|ensure" + "then\\|else\\|elsif\\|when\\|rescue\\|ensure" ) (defconst ruby-block-end-re "end") (defconst ruby-delimiter - (concat "[$/<(){}#\"'`]\\|\\[\\|\\]\\|\\b\\(" - ruby-block-beg-re "\\|" ruby-block-end-re "\\)\\b") + (concat "[?$/(){}#\"'`]\\|\\[\\|\\]\\|\\<\\(" + ruby-block-beg-re "\\|" ruby-block-end-re "\\)\\>") ) (defconst ruby-negative (concat "^[ \t]*\\(\\b\\(" ruby-block-mid-re "\\)\\|\\(" - ruby-block-end-re "\\)\\b\\|\\}\\|\\]\\)") + ruby-block-end-re "\\)\\>\\|\\}\\|\\]\\)") ) +(defconst ruby-operator-chars "[,.+*/%-&|^~=<>:]") +(defconst ruby-symbol-chars "[a-zA-Z0-9_]") + (defvar ruby-mode-abbrev-table nil "Abbrev table in use in ruby-mode buffers.") @@ -53,17 +56,16 @@ (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 ?\n ">" ruby-mode-syntax-table) -;;(modify-syntax-entry ?\f ">" 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 ?_ "w" 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) @@ -152,6 +154,19 @@ The variable ruby-indent-level controls the amount of indentation. (indent-to x) (if (> p 0) (forward-char p))))) +(defun ruby-expr-beg () + (save-excursion + (skip-chars-backward " \t") + (or (bolp) (forward-char -1)) + (or (looking-at ruby-operator-chars) + (looking-at "[\\[({]") + (bolp) + (and (looking-at ruby-symbol-chars) + (forward-word -1) + (or + (looking-at ruby-block-beg-re) + (looking-at ruby-block-mid-re)))))) + (defun ruby-parse-region (start end) (let ((indent-point end) (indent 0) @@ -163,113 +178,97 @@ The variable ruby-indent-level controls the amount of indentation. (if start (goto-char start) (ruby-beginning-of-defun)) - (while (and (> indent-point (point)) - (re-search-forward ruby-delimiter indent-point t)) - (let ((w (buffer-substring (match-beginning 0) (match-end 0))) - (pnt (match-beginning 0))) - (cond - ((or (string= "\"" w) ;skip string - (string= "'" w) - (string= "`" w)) - (cond - ((string= w (char-to-string (char-after (point)))) - (forward-char 1)) - ((re-search-forward (format "[^\\]%s" w) indent-point t) + (save-restriction + (narrow-to-region (point) end) + (while (and (> indent-point (point)) + (re-search-forward ruby-delimiter indent-point t)) + (let ((pnt (point)) w) + (goto-char (match-beginning 0)) + (cond + + ((or (looking-at "\"") ;skip string + (looking-at "'") + (looking-at "`")) + (setq w (char-after (point))) + (cond + ((and (not (eobp)) + (equal w (char-after (point))) + (re-search-forward (format "[^\\]%c" w) indent-point t)) nil) - (t - (goto-char indent-point) - (setq in-string t)))) - ((or (string= "/" w) - (string= "<" w)) - (if (string= "<" w) (setq w ">")) - (let (c) - (save-excursion - (goto-char pnt) - (skip-chars-backward " \t") - (setq c (char-after (1- (point)))) - (if c - (setq c (char-syntax c)))) + (t + (goto-char indent-point) + (setq in-string t)))) + ((looking-at "/") + (if (and (ruby-expr-beg) + (goto-char pnt) + (looking-at "\\([^/\n]\\|\\\\/\\)*") + (eq ?/ (char-after (match-end 0)))) + (goto-char (1+ (match-end 0))) + (goto-char indent-point) + (setq in-string t))) + ((looking-at "\\?") ;skip ?char (cond - ((or (eq c ?.) - (and (eq c ?w) - (save-excursion - (forward-word -1) - (or - (looking-at ruby-block-beg-re) - (looking-at ruby-block-mid-re))))) - (if (search-forward w indent-point t) - nil - (goto-char indent-point) - (setq in-string t)))))) - ((string= "$" w) ;skip $char - (forward-char 1)) - ((string= "#" w) ;skip comment - (forward-line 1)) - ((string= "(" w) ;skip to matching paren - (let ((orig depth)) - (setq nest (cons (point) nest)) - (setq depth (1+ depth)) - (while (and (/= depth orig) - (re-search-forward "[()]" indent-point t)) - (cond - ((= (char-after (match-beginning 0)) ?\( ) - (setq nest (cons (point) nest)) - (setq depth (1+ depth))) - (t - (setq nest (cdr nest)) - (setq depth (1- depth))))) - (if (> depth orig) (setq in-paren ?\()))) - ((string= "[" w) ;skip to matching paren - (let ((orig depth)) - (setq nest (cons (point) nest)) - (setq depth (1+ depth)) - (while (and (/= depth orig) - (re-search-forward "\\[\\|\\]" indent-point t)) - (cond - ((= (char-after (match-beginning 0)) ?\[ ) - (setq nest (cons (point) nest)) - (setq depth (1+ depth))) - (t - (setq nest (cdr nest)) - (setq depth (1- depth))))) - (if (> depth orig) (setq in-paren ?\[)))) - ((string= "{" w) ;skip to matching paren - (let ((orig depth)) - (setq nest (cons (point) nest)) + ((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 pnt)) + ((looking-at "[\\[({]") + (setq nest (cons (cons (char-after (point)) pnt) nest)) (setq depth (1+ depth)) - (while (and (/= depth orig) - (re-search-forward "[{}]" indent-point t)) - (cond - ((= (char-after (match-beginning 0)) ?{ ) - (setq nest (cons (point) nest)) - (setq depth (1+ depth))) - (t - (setq nest (cdr nest)) - (setq depth (1- depth))))) - (if (> depth orig) (setq in-paren ?{)))) - ((string-match ruby-block-end-re w) - (setq nest (cdr nest)) - (setq depth (1- depth))) - ((string-match ruby-block-beg-re w) - (let (c) - (save-excursion - (goto-char pnt) - (skip-chars-backward " \t") - (setq c (char-after (1- (point))))) - (if (or (null c) (= c ?\n) (= c ?\;)) - (progn - (setq nest (cons (point) nest)) - (setq depth (1+ depth)))))) - (t - (error (format "bad string %s" w))))))) - (list in-string in-paren (car nest) depth))) + (goto-char pnt)) + ((looking-at "[])}]") + (setq nest (cdr nest)) + (setq depth (1- depth)) + (goto-char pnt)) + ((looking-at ruby-block-end-re) + (if (and (not (bolp)) + (progn + (forward-char -1) + (eq ?_ (char-after (point)))) + (progn + (goto-char pnt) + (eq ?_ (char-after (point))))) + nil + (setq nest (cdr nest)) + (setq depth (1- depth))) + (goto-char pnt)) + ((looking-at ruby-block-beg-re) + (and + (or (bolp) + (progn + (forward-char -1) + (not (eq ?_ (char-after (point)))))) + (save-excursion + (goto-char pnt) + (not (eq ?_ (char-after (point))))) + (skip-chars-backward " \t") + (or (bolp) + (save-excursion + (forward-char -1) + (looking-at ruby-operator-chars))) + (progn + (setq nest (cons (cons nil pnt) nest)) + (setq depth (1+ depth)))) + (goto-char pnt)) + (t + (error (format "bad string %s" + (buffer-substring (point) pnt) + ))))))) + (list in-string (car nest) depth)))) (defun ruby-calculate-indent (&optional parse-start) (save-excursion (beginning-of-line) (let ((indent-point (point)) (case-fold-search nil) - state eol + state bol eol (indent 0)) (if parse-start (goto-char parse-start) @@ -281,25 +280,74 @@ The variable ruby-indent-level controls the amount of indentation. (setq indent nil)) ; do nothing ((nth 1 state) ; in paren - (goto-char (nth 2 state)) + (goto-char (cdr (nth 1 state))) (setq indent - (if (and (eq (nth 1 state) ?\( ) (not (looking-at "$"))) + (if (and (eq (car (nth 1 state)) ?\( ) + (not (looking-at "(\\s *$"))) (current-column) (+ (current-indentation) ruby-indent-level)))) - ((> (nth 3 state) 0) ; in nest - (goto-char (nth 2 state)) + ((> (nth 2 state) 0) ; in nest + (goto-char (cdr (nth 1 state))) (forward-word -1) ; skip back a keyword (setq indent (+ (current-column) ruby-indent-level))) (t ; toplevel (setq indent 0))) - (goto-char indent-point) - (end-of-line) - (setq eol (point)) - (beginning-of-line) - (if (re-search-forward ruby-negative eol t) + + (cond + (indent + (goto-char indent-point) + (end-of-line) + (setq eol (point)) + (beginning-of-line) + (cond + ((re-search-forward ruby-negative eol t) (setq indent (- indent ruby-indent-level))) + ;;operator terminated lines + ((and + (save-excursion + (beginning-of-line) + (not (bobp))) + (or (null (car (nth 1 state))) ;not in parens + (and (eq (car (nth 1 state)) ?\{) + (save-excursion ;except non-block braces + (goto-char (cdr (nth 1 state))) + (or (bobp) (forward-char -1)) + (not (ruby-expr-beg)))))) + (beginning-of-line) + (skip-chars-backward " \t\n") + (beginning-of-line) ; goto beginning of non-empty line + (setq bol (point)) + (end-of-line) + (setq eol (point)) + (and (search-backward "#" bol t) ; check for comment line + (not (eq ?? (char-after (1- (point))))) + (not (nth 0 (ruby-parse-region parse-start (point)))) + (setq eol (point))) + (goto-char eol) + (skip-chars-backward " \t") + (or (bobp) (forward-char -1)) + (and (looking-at ruby-operator-chars) +;; (or (not (eq ?/ (char-after (point)))) +;; (progn +;; (not (nth 0 (ruby-parse-region parse-start (point)))))) + (or (not (eq ?/ (char-after (point)))) + (null (nth 0 (ruby-parse-region parse-start (point))))) + (save-excursion + (goto-char parse-start) + (sit-for 1)) + (not (eq (char-after (1- (point))) ?$)) + (or (not (eq ?| (char-after (point)))) + (save-excursion + (or (eolp) (forward-char -1)) + (and (search-backward "|" bol t) + (skip-chars-backward " \t\n") + (and (not (eolp)) + (progn + (forward-char -1) + (not (looking-at "\\{"))))))) + (setq indent (+ indent ruby-indent-level))))))) indent))) (defun ruby-electric-brace (arg) @@ -329,7 +377,7 @@ An end of a defun is found by moving forward from the beginning of one." (interactive "*") (save-excursion (delete-region (point) (progn (skip-chars-backward " \t") (point)))) - (insert ?\n) + (newline) (save-excursion (forward-line -1) (indent-according-to-mode)) @@ -348,3 +396,26 @@ An end of a defun is found by moving forward from the beginning of one." (goto-char beg) (while (re-search-forward "^\\([ \t]*\\)#" end t) (replace-match "\\1" nil nil)))) + +(if (featurep 'hilit19) + (hilit-set-mode-patterns + 'ruby-mode + '(("\\s #.*$" nil comment) + ("^#.*$" nil comment) + ("\\$\\(.\\|\\sw+\\)" nil type) + ("[^$\\?]\\(\"[^\\\"]*\\(\\\\\\(.\\|\n\\)[^\\\"]*\\)*\"\\)" 1 string) + ("[^$\\?]\\('[^\\']*\\(\\\\\\(.\\|\n\\)[^\\']*\\)*'\\)" 1 string) + ("^/\\([^/\n]\\|\\\\/\\)*/" nil string) + ("[^a-zA-Z_]\\s *\\(/\\([^/\n]\\|\\\\/\\)*/\\)" 1 string) + ("\\(begin\\|case\\|else\\|elsif\\|end\\|ensure\\|for\\|if\\|rescue\\|then\\|when\\|while\\)\\s *\\(/\\([^/\n]\\|\\\\/\\)*/\\)" 2 string) + ("^\\s *require.*$" nil include) + ("^\\s *load.*$" nil include) + ("^\\s *\\(include\\|alias\\|undef\\).*$" nil decl) + ("^\\s *\\<\\(class\\|def\\|module\\)\\>" "[)\n;]" defun) + ("[^_]\\<\\(begin\\|case\\|else\\|elsif\\|end\\|ensure\\|for\\|if\\|rescue\\|then\\|when\\|while\\)\\>[^_]" 1 defun) + ("[^_]\\<\\(and\\|break\\|continue\\|fail\\|in\\|not\\|or\\|redo\\|retry\\|return\\|super\\|yield\\)\\>[^_]" 1 keyword) + ("[^_]\\<\\(self\\|nil\\|TRUE\\|FALSE\\|__LINE__\\|__FILE__\\)\\>[^_]" 1 define) + ("$.[a-zA-Z_0-9]*" nil struct) + ("@[a-zA-Z_0-9]+" nil struct) + ("[^_]\\<[A-Z].[a-zA-Z_0-9]*" nil define) + ("^__END__" nil label)))) |