mirror of
https://github.com/vale981/emacs-ipython-notebook
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127 lines
4.3 KiB
EmacsLisp
127 lines
4.3 KiB
EmacsLisp
;;; ein-completer.el --- Completion module
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;; Copyright (C) 2012- Takafumi Arakaki
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;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
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;; This file is NOT part of GNU Emacs.
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;; ein-completer.el 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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;; ein-completer.el 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 ein-completer.el. 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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(declare-function ac-cursor-on-diable-face-p "auto-complete")
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(eval-when-compile (require 'cl))
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(require 'ein-core)
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(require 'ein-log)
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(require 'ein-subpackages)
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(require 'ein-kernel)
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(defun ein:completer-choose ()
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(when (require 'auto-complete nil t)
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(require 'ein-ac))
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(cond
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((and (or ein:use-auto-complete
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ein:use-auto-complete-superpack)
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(ein:eval-if-bound 'auto-complete-mode)
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(fboundp 'ein:completer-finish-completing-ac))
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#'ein:completer-finish-completing-ac)
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(t
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#'ein:completer-finish-completing-default)))
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(defun ein:completer-beginning (matched-text)
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(save-excursion
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(re-search-backward (concat matched-text "\\="))))
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(defun ein:completer-finish-completing (args content -metadata-not-used-)
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(ein:log 'debug "COMPLETER-FINISH-COMPLETING: content=%S" content)
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(let ((matched-text (plist-get content :matched_text))
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(matches (plist-get content :matches))
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(completer (ein:completer-choose)))
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(ein:log 'debug "COMPLETER-FINISH-COMPLETING: completer=%s" completer)
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(apply completer matched-text matches args)))
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(defun ein:completer-finish-completing-default (matched-text matches
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&rest -ignore-)
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(let* ((end (point))
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(beg (ein:completer-beginning matched-text))
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(word (if (and beg matches)
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(completing-read "Complete: " matches
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nil nil matched-text))))
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(when word
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(delete-region beg end)
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(insert word))))
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(defun* ein:completer-complete
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(kernel &rest args &key callbacks &allow-other-keys)
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"Start completion for the code at point.
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.. It sends `:complete_request' to KERNEL.
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CALLBACKS is passed to `ein:kernel-complete'.
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If you specify CALLBACKS explicitly (i.e., you are not using
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`ein:completer-finish-completing'), keyword argument will be
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ignored. Otherwise, ARGS are passed as additional arguments
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to completer callback functions. ARGS **must** be keyword
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arguments.
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EXPAND keyword argument is supported by
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`ein:completer-finish-completing-ac'. When it is specified,
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it overrides `ac-expand-on-auto-complete' when calling
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`auto-complete'."
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(interactive (list (ein:get-kernel)))
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(unless callbacks
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(setq callbacks
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(list :complete_reply
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(cons #'ein:completer-finish-completing
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(ein:plist-exclude args '(:callbacks))))))
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(ein:kernel-complete kernel
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(thing-at-point 'line)
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(current-column)
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callbacks))
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(defun ein:completer-dot-complete ()
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"Insert dot and request completion."
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(interactive)
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(insert ".")
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(ein:and-let* ((kernel (ein:get-kernel))
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((not (ac-cursor-on-diable-face-p)))
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((ein:kernel-live-p kernel)))
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(ein:completer-complete kernel :expand nil)))
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(defcustom ein:complete-on-dot t
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"Start completion when inserting a dot. Note that
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`ein:use-auto-complete' (or `ein:use-auto-complete-superpack')
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must be `t' to enable this option. This variable has effect on
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notebook buffers and connected buffers."
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:type 'boolean
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:group 'ein)
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(defun ein:complete-on-dot-install (map &optional func)
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(if (and ein:complete-on-dot
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(featurep 'auto-complete)
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(or ein:use-auto-complete
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ein:use-auto-complete-superpack))
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(define-key map "." (or func #'ein:completer-dot-complete))
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(define-key map "." nil)))
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(provide 'ein-completer)
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;;; ein-completer.el ends here
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