73 lines
2.6 KiB
EmacsLisp
73 lines
2.6 KiB
EmacsLisp
;;; company-ropemacs.el --- company-mode completion back-end for ropemacs
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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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;;; Code:
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(require 'cl-lib)
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(defun company-ropemacs--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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(defun company-ropemacs-doc-buffer (candidate)
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"Return buffer with docstring of CANDIDATE if it is available."
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(let ((doc (company-with-candidate-inserted candidate (rope-get-doc))))
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(when doc
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(company-doc-buffer doc))))
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(defun company-ropemacs-location (candidate)
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"Return location of CANDIDATE in cons form (FILE . LINE) if it is available."
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(let ((location (company-with-candidate-inserted candidate
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(rope-definition-location))))
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(when location
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(cons (elt location 0) (elt location 1)))))
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(defun company-ropemacs (command &optional arg &rest ignored)
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"`company-mode' completion back-end for ropemacs.
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Depends on third-party code: Pymacs (both Python and Emacs packages),
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rope, ropemacs and ropemode. Requires `ropemacs-mode' to be on."
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(interactive (list 'interactive))
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(cl-case command
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(interactive (company-begin-backend 'company-ropemacs))
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(prefix (and (bound-and-true-p ropemacs-mode)
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(not (company-in-string-or-comment))
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(company-ropemacs--grab-symbol)))
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(candidates (mapcar (lambda (element) (concat arg element))
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(rope-completions)))
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(doc-buffer (company-ropemacs-doc-buffer arg))
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(location (company-ropemacs-location arg))))
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(provide 'company-ropemacs)
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;;; company-ropemacs.el ends here
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