140 lines
4.1 KiB
EmacsLisp
140 lines
4.1 KiB
EmacsLisp
;;; ac-octave.el --- An auto-complete source for Octave
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;; Copyright (c) 2012 - 2014 coldnew <coldnew.tw@gmail.com>
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;;
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;; Author: coldnew <coldnew.tw@gmail.com>
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;; Keywords: Octave, auto-complete, completion
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;; Package-Version: 20150111.1708
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;; Package-Requires: ((auto-complete "1.4.0"))
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;; URL: https://github.com/coldnew/ac-octave
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;; Version: 0.4
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;; This file is NOT part of GNU Emacs.
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;; This program 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 2, or (at your option)
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;; any later version.
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;;
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;; This program 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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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program; if not, write to the Free Software
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;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;;; Installation:
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;; If you have `melpa' and `emacs24' installed, simply type:
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;;
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;; M-x package-install ac-octave
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;;
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;; Add following lines to your init file:
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;;
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;; (require 'ac-octave)
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;; (defun ac-octave-mode-setup ()
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;; (setq ac-sources '(ac-source-octave)))
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;; (add-hook 'octave-mode-hook
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;; '(lambda () (ac-octave-mode-setup)))
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;;
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;;; Note:
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;; If you can't use ac-octave in octave-mode,
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;; check whether `auto-complete-mode' is running or not.
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;;; Code:
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(eval-when-compile (require 'cl))
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(require 'auto-complete)
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;; octave-inf.el merge to octave.el since emacs version 24.3.1
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;; see issue #6: Error when require octave-inf
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(if (or (and (= emacs-major-version 24) (> emacs-minor-version 3))
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(>= emacs-major-version 25))
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(require 'octave)
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;; for emacs 24.3 or below
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(require 'octave-inf))
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;;;;##########################################################################
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;;;; User Options, Variables
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;;;;##########################################################################
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;;;;;;;; faces
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(defface ac-octave-candidate-face
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'((t (:inherit ac-candidate-face)))
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"face for octave candidate"
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:group 'auto-complete)
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(defface ac-octave-selection-face
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'((t (:inherit ac-selection-face)))
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"face for the octave selected candidate."
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:group 'auto-complete)
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;;;;;;;; local variables
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(defvar ac-octave-complete-list nil)
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;;;;;;;; functions
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(defun ac-octave-init ()
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"Start inferior-octave in background before use ac-octave."
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(run-octave t)
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;; Update current directory of inferior octave whenever completion starts.
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;; This allows local functions to be completed when user switches
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;; between octave buffers that are located in different directories.
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(when (file-readable-p default-directory)
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(inferior-octave-send-list-and-digest
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(list (concat "cd " default-directory ";\n")))))
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(defun ac-octave-do-complete ()
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(interactive)
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(let* ((end (point))
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(command (save-excursion
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(skip-syntax-backward "w_")
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(buffer-substring-no-properties (point) end))))
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(inferior-octave-send-list-and-digest
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(list (concat "completion_matches (\"" command "\");\n")))
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(setq ac-octave-complete-list
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(sort inferior-octave-output-list 'string-lessp))
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;; remove dulpicates lists
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(delete-dups ac-octave-complete-list)))
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(defun ac-octave-candidate ()
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(let (table)
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(ac-octave-do-complete)
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(dolist (s ac-octave-complete-list)
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(push s table))
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table))
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(defun ac-octave-documentation (symbol)
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(with-local-quit
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(ignore-errors
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(inferior-octave-send-list-and-digest
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(list (concat "help " symbol ";\n")))
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(mapconcat #'identity
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inferior-octave-output-list
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"\n"))))
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(ac-define-source octave
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'((candidates . ac-octave-candidate)
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(document . ac-octave-documentation)
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(candidate-face . ac-octave-candidate-face)
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(selection-face . ac-octave-selection-face)
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(init . ac-octave-init)
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(requires . 0)
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(cache)
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(symbol . "f")))
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(provide 'ac-octave)
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;;; ac-octave.el ends here
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