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- ;;; company-dabbrev-code.el --- dabbrev-like company-mode backend for code -*- lexical-binding: t -*-
-
- ;; Copyright (C) 2009, 2011, 2014 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
-
-
- ;;; Commentary:
- ;;
-
- ;;; Code:
-
- (require 'company)
- (require 'company-dabbrev)
- (require 'cl-lib)
-
- (defgroup company-dabbrev-code nil
- "dabbrev-like completion backend for code."
- :group 'company)
-
- (defcustom company-dabbrev-code-modes
- '(prog-mode
- batch-file-mode csharp-mode css-mode erlang-mode haskell-mode jde-mode
- lua-mode python-mode)
- "Modes that use `company-dabbrev-code'.
- In all these modes (and their derivatives) `company-dabbrev-code' will
- complete only symbols, not text in comments or strings. In other modes
- `company-dabbrev-code' will pass control to other backends
- \(e.g. `company-dabbrev'\). Value t means complete in all modes."
- :type '(choice (repeat :tag "Some modes" (symbol :tag "Major mode"))
- (const :tag "All modes" t)))
-
- (defcustom company-dabbrev-code-other-buffers t
- "Determines whether `company-dabbrev-code' should search other buffers.
- If `all', search all other buffers, except the ignored ones. If t, search
- buffers with the same major mode. If `code', search all buffers with major
- modes in `company-dabbrev-code-modes', or derived from one of them. See
- also `company-dabbrev-code-time-limit'."
- :type '(choice (const :tag "Off" nil)
- (const :tag "Same major mode" t)
- (const :tag "Code major modes" code)
- (const :tag "All" all)))
-
- (defcustom company-dabbrev-code-time-limit .1
- "Determines how long `company-dabbrev-code' should look for matches."
- :type '(choice (const :tag "Off" nil)
- (number :tag "Seconds")))
-
- (defcustom company-dabbrev-code-everywhere nil
- "Non-nil to offer completions in comments and strings."
- :type 'boolean)
-
- (defcustom company-dabbrev-code-ignore-case nil
- "Non-nil to ignore case when collecting completion candidates."
- :type 'boolean)
-
- (defun company-dabbrev-code--make-regexp (prefix)
- (concat "\\_<" (if (equal prefix "")
- "\\([a-zA-Z]\\|\\s_\\)"
- (regexp-quote prefix))
- "\\(\\sw\\|\\s_\\)*\\_>"))
-
- ;;;###autoload
- (defun company-dabbrev-code (command &optional arg &rest ignored)
- "dabbrev-like `company-mode' backend for code.
- The backend looks for all symbols in the current buffer that aren't in
- comments or strings."
- (interactive (list 'interactive))
- (cl-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))
- (or company-dabbrev-code-everywhere
- (not (company-in-string-or-comment)))
- (or (company-grab-symbol) 'stop)))
- (candidates (let ((case-fold-search company-dabbrev-code-ignore-case))
- (company-dabbrev--search
- (company-dabbrev-code--make-regexp arg)
- company-dabbrev-code-time-limit
- (pcase company-dabbrev-code-other-buffers
- (`t (list major-mode))
- (`code company-dabbrev-code-modes)
- (`all `all))
- (not company-dabbrev-code-everywhere))))
- (ignore-case company-dabbrev-code-ignore-case)
- (duplicates t)))
-
- (provide 'company-dabbrev-code)
- ;;; company-dabbrev-code.el ends here
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