my-emacs-d/elpa/company-0.8.5/company-pysmell.el

70 lines
2.4 KiB
EmacsLisp

;;; company-pysmell.el --- company-mode completion back-end for pysmell.el
;; Copyright (C) 2009-2011, 2013-2014 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:
;;
;; The main problem with using this backend is installing Pysmell.
;; I couldn't manage to do that. --Dmitry
;;; Code:
(if t (require 'pysmell)) ;Don't load during compilation.
(require 'company)
(require 'cl-lib)
(defvar-local company-pysmell--available-p 'unknown)
(defun company-pysmell--available-p ()
(if (eq company-pysmell--available-p 'unknown)
(setq company-pysmell--available-p
(locate-dominating-file buffer-file-name "PYSMELLTAGS"))
company-pysmell--available-p))
(defun company-pysmell--grab-symbol ()
(let ((symbol (company-grab-symbol)))
(when symbol
(cons symbol
(save-excursion
(let ((pos (point)))
(goto-char (- (point) (length symbol)))
(while (eq (char-before) ?.)
(goto-char (1- (point)))
(skip-syntax-backward "w_"))
(- pos (point))))))))
;;;###autoload
(defun company-pysmell (command &optional arg &rest ignored)
"`company-mode' completion back-end for pysmell.
This requires pysmell.el and pymacs.el."
(interactive (list 'interactive))
(cl-case command
(interactive (company-begin-backend 'company-pysmell))
(prefix (and (derived-mode-p 'python-mode)
buffer-file-name
(not (company-in-string-or-comment))
(company-pysmell--available-p)
(company-pysmell--grab-symbol)))
(candidates (delete "" (pysmell-get-all-completions)))))
(provide 'company-pysmell)
;;; company-pysmell.el ends here