code.delx.au - gnu-emacs-elpa/blob - company-pysmell.el

   1 ;;; company-pysmell.el --- a company-mode completion back-end for pysmell.el
   2 ;;
   3 ;; Copyright (C) 2009 Nikolaj Schumacher
   4 ;;
   5 ;; This file is part of company 0.4.3.
   6 ;;
   7 ;; This program is free software; you can redistribute it and/or
   8 ;; modify it under the terms of the GNU General Public License
   9 ;; as published by the Free Software Foundation; either version 2
  10 ;; of the License, or (at your option) any later version.
  11 ;;
  12 ;; This program is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16 ;;
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 (eval-when-compile (require 'cl))
  21 (require 'pysmell)
  22
  23 (defvar company-pysmell--available-p 'unknown)
  24 (make-variable-buffer-local 'company-pysmell--available-p)
  25
  26 (defun company-pysmell--available-p ()
  27   (if (eq company-pysmell--available-p 'unknown)
  28       (setq company-pysmell--available-p
  29             (company-locate-dominating-file buffer-file-name "PYSMELLTAGS"))
  30     company-pysmell--available-p))
  31
  32 (defun company-pysmell--grab-symbol ()
  33   (let ((symbol (company-grab-symbol)))
  34     (when symbol
  35       (cons symbol
  36             (save-excursion
  37               (let ((pos (point)))
  38                 (goto-char (- (point) (length symbol)))
  39                 (while (eq (char-before) ?.)
  40                   (goto-char (1- (point)))
  41                   (skip-syntax-backward "w_"))
  42                 (- pos (point))))))))
  43
  44 ;;;###autoload
  45 (defun company-pysmell (command &optional arg &rest ignored)
  46   "A `company-mode' completion back-end for pysmell.
  47 This requires pysmell.el and pymacs.el."
  48   (interactive (list 'interactive))
  49   (case command
  50     ('interactive (company-begin-backend 'company-pysmell))
  51     ('prefix (and (derived-mode-p 'python-mode)
  52                   buffer-file-name
  53                   (not (company-in-string-or-comment))
  54                   (company-pysmell--available-p)
  55                   (company-pysmell--grab-symbol)))
  56     ('candidates (delete "" (pysmell-get-all-completions)))))
  57
  58 (provide 'company-pysmell)
  59 ;;; company-pysmell.el ends here