70 lines
2.4 KiB
EmacsLisp
70 lines
2.4 KiB
EmacsLisp
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;;; company-pysmell.el --- company-mode completion back-end for pysmell.el
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;; Copyright (C) 2009-2011, 2013-2014 Free Software Foundation, Inc.
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;; Author: Nikolaj Schumacher
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; The main problem with using this backend is installing Pysmell.
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;; I couldn't manage to do that. --Dmitry
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;;; Code:
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(if t (require 'pysmell)) ;Don't load during compilation.
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(require 'company)
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(require 'cl-lib)
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(defvar-local company-pysmell--available-p 'unknown)
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(defun company-pysmell--available-p ()
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(if (eq company-pysmell--available-p 'unknown)
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(setq company-pysmell--available-p
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(locate-dominating-file buffer-file-name "PYSMELLTAGS"))
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company-pysmell--available-p))
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(defun company-pysmell--grab-symbol ()
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(let ((symbol (company-grab-symbol)))
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(when symbol
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(cons symbol
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(save-excursion
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(let ((pos (point)))
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(goto-char (- (point) (length symbol)))
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(while (eq (char-before) ?.)
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(goto-char (1- (point)))
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(skip-syntax-backward "w_"))
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(- pos (point))))))))
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;;;###autoload
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(defun company-pysmell (command &optional arg &rest ignored)
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"`company-mode' completion back-end for pysmell.
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This requires pysmell.el and pymacs.el."
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(interactive (list 'interactive))
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(cl-case command
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(interactive (company-begin-backend 'company-pysmell))
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(prefix (and (derived-mode-p 'python-mode)
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buffer-file-name
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(not (company-in-string-or-comment))
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(company-pysmell--available-p)
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(company-pysmell--grab-symbol)))
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(candidates (delete "" (pysmell-get-all-completions)))))
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(provide 'company-pysmell)
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;;; company-pysmell.el ends here
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