code.delx.au - gnu-emacs-elpa/blob - packages/company-0.5/company-pysmell.el

   1 ;;; company-pysmell.el --- a company-mode completion back-end for pysmell.el
   2
   3 ;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
   4
   5 ;; Author: Nikolaj Schumacher
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Code:
  23
  24 (eval-when-compile (require 'cl))
  25 (require 'pysmell)
  26
  27 (defvar company-pysmell--available-p 'unknown)
  28 (make-variable-buffer-local 'company-pysmell--available-p)
  29
  30 (defun company-pysmell--available-p ()
  31   (if (eq company-pysmell--available-p 'unknown)
  32       (setq company-pysmell--available-p
  33             (company-locate-dominating-file buffer-file-name "PYSMELLTAGS"))
  34     company-pysmell--available-p))
  35
  36 (defun company-pysmell--grab-symbol ()
  37   (let ((symbol (company-grab-symbol)))
  38     (when symbol
  39       (cons symbol
  40             (save-excursion
  41               (let ((pos (point)))
  42                 (goto-char (- (point) (length symbol)))
  43                 (while (eq (char-before) ?.)
  44                   (goto-char (1- (point)))
  45                   (skip-syntax-backward "w_"))
  46                 (- pos (point))))))))
  47
  48 ;;;###autoload
  49 (defun company-pysmell (command &optional arg &rest ignored)
  50   "A `company-mode' completion back-end for pysmell.
  51 This requires pysmell.el and pymacs.el."
  52   (interactive (list 'interactive))
  53   (case command
  54     ('interactive (company-begin-backend 'company-pysmell))
  55     ('prefix (and (derived-mode-p 'python-mode)
  56                   buffer-file-name
  57                   (not (company-in-string-or-comment))
  58                   (company-pysmell--available-p)
  59                   (company-pysmell--grab-symbol)))
  60     ('candidates (delete "" (pysmell-get-all-completions)))))
  61
  62 (provide 'company-pysmell)
  63 ;;; company-pysmell.el ends here