-;;; company-dabbrev-code.el --- a dabbrev-like company-mode back-end for code
-;;
-;; Copyright (C) 2009 Nikolaj Schumacher
-;;
-;; This file is part of company 0.3.1.
-;;
-;; This program is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU General Public License
-;; as published by the Free Software Foundation; either version 2
-;; of the License, or (at your option) any later version.
-;;
-;; This program is distributed in the hope that it will be useful,
+;;; company-dabbrev-code.el --- A dabbrev-like company-mode back-end for code
+
+;; Copyright (C) 2009, 2011 Free Software Foundation, Inc.
+
+;; Author: Nikolaj Schumacher
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
-;;
+
;; You should have received a copy of the GNU General Public License
-;; along with this program. If not, see <http://www.gnu.org/licenses/>.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+
+;;; Commentary:
+;;
+
+;;; Code:
(require 'company)
+(require 'company-dabbrev)
(eval-when-compile (require 'cl))
(defcustom company-dabbrev-code-modes
haskell-mode java-mode javascript-mode jde-mode js2-mode lisp-mode
lua-mode objc-mode perl-mode php-mode python-mode ruby-mode scheme-mode
shell-script-mode)
- "*Modes that use `company-dabbrev-code'.
+ "Modes that use `company-dabbrev-code'.
In all these modes `company-dabbrev-code' will complete only symbols, not text
in comments or strings. In other modes `company-dabbrev-code' will pass control
to other back-ends \(e.g. `company-dabbrev'\).
(const tag "All modes" t)))
(defcustom company-dabbrev-code-other-buffers t
- "*Determines whether `company-dabbrev-code' should search other buffers.
-If t, search all buffers with the same major-mode.
+ "Determines whether `company-dabbrev-code' should search other buffers.
+If `all', search all other buffers. If t, search buffers with the same
+major mode.
See also `company-dabbrev-code-time-limit'."
:group 'company
:type '(choice (const :tag "Off" nil)
- (const :tag "Same major mode" t)))
+ (const :tag "Same major mode" t)
+ (const :tag "All" all)))
(defcustom company-dabbrev-code-time-limit .5
- "*Determines how long `company-dabbrev-code' should look for matches."
+ "Determines how long `company-dabbrev-code' should look for matches."
:group 'company
:type '(choice (const :tag "Off" nil)
(number :tag "Seconds")))
-(defmacro company-dabrev-code--time-limit-while (test start limit &rest body)
- (declare (indent 3) (debug t))
- `(let ((company-time-limit-while-counter 0))
- (catch 'done
- (while ,test
- ,@body
- (and ,limit
- (eq (incf company-time-limit-while-counter) 25)
- (setq company-time-limit-while-counter 0)
- (> (float-time (time-since ,start)) ,limit)
- (throw 'done 'company-time-out))))))
-
(defsubst company-dabbrev-code--make-regexp (prefix)
(concat "\\_<" (if (equal prefix "")
"\\([a-zA-Z]\\|\\s_\\)"
(regexp-quote prefix))
"\\(\\sw\\|\\s_\\)*\\_>"))
-(defun company-dabbrev-code--buffer-symbols (regexp pos &optional symbols
- start limit)
- (save-excursion
- (let (match)
- (goto-char (if pos (1- pos) (point-min)))
- ;; search before pos
- (company-dabrev-code--time-limit-while (re-search-backward regexp nil t)
- start limit
- (setq match (match-string-no-properties 0))
- (if (company-in-string-or-comment)
- (re-search-backward "\\s<\\|\\s!\\|\\s\"\\|\\s|" nil t)
- (push match symbols)))
- (goto-char (or pos (point-min)))
- ;; search after pos
- (company-dabrev-code--time-limit-while (re-search-forward regexp nil t)
- start limit
- (setq match (match-string-no-properties 0))
- (if (company-in-string-or-comment)
- (re-search-forward "\\s>\\|\\s!\\|\\s\"" nil t)
- (push match symbols)))
- symbols)))
-
-(defun company-dabbrev-code--symbols (regexp)
- (let* ((start (current-time))
- (limit company-dabbrev-code-time-limit)
- (symbols (company-dabbrev-code--buffer-symbols regexp (point) nil
- start limit)))
- (when company-dabbrev-code-other-buffers
- (dolist (buffer (delq (current-buffer) (buffer-list)))
- (and (eq (buffer-local-value 'major-mode buffer) major-mode)
- (with-current-buffer buffer
- (setq symbols
- (company-dabbrev-code--buffer-symbols regexp nil symbols
- start limit))))
- (and limit
- (> (float-time (time-since start)) limit)
- (return))))
- symbols))
-
;;;###autoload
(defun company-dabbrev-code (command &optional arg &rest ignored)
"A dabbrev-like `company-mode' back-end for code.
comments or strings."
(interactive (list 'interactive))
(case command
- ('interactive (company-begin-backend 'company-dabbrev-code))
- ('prefix (and (or (eq t company-dabbrev-code-modes)
- (apply 'derived-mode-p company-dabbrev-code-modes))
- (not (company-in-string-or-comment))
- (or (company-grab-symbol) 'stop)))
- ('candidates (let ((case-fold-search nil))
- (company-dabbrev-code--symbols
- (company-dabbrev-code--make-regexp arg))))
- ('duplicates t)))
+ (interactive (company-begin-backend 'company-dabbrev-code))
+ (prefix (and (or (eq t company-dabbrev-code-modes)
+ (apply 'derived-mode-p company-dabbrev-code-modes))
+ (not (company-in-string-or-comment))
+ (or (company-grab-symbol) 'stop)))
+ (candidates (let ((case-fold-search nil))
+ (company-dabbrev--search
+ (company-dabbrev-code--make-regexp arg)
+ company-dabbrev-code-time-limit
+ company-dabbrev-code-other-buffers t)))
+ (duplicates t)))
(provide 'company-dabbrev-code)
;;; company-dabbrev-code.el ends here