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95 lines
3.3 KiB
95 lines
3.3 KiB
;;; alchemist-info.el --- Getting informations from the server. -*- lexical-binding: t -*-
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;; Copyright © 2015 Samuel Tonini
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;; Author: Samuel Tonini <tonini.samuel@gmail.com
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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 3 of the License, or
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;; (at your option) any later version.
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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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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Getting informations from the server.
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;;; Code:
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(require 'ansi-color)
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(defgroup alchemist-info nil
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"Getting informations from the server."
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:prefix "alchemist-info-"
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:group 'alchemist)
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(defconst alchemist-info-buffer-name "*alchemist-info-mode*"
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"Name of the Elixir info buffer.")
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(defvar alchemist-info-filter-output nil)
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(defvar alchemist-info-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "q") #'quit-window)
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map)
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"Keymap for `alchemist-info-mode'.")
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(defun alchemist-info-datatype-filter (_process output)
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(setq alchemist-info-filter-output (cons output alchemist-info-filter-output))
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(when (alchemist-server-contains-end-marker-p output)
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(alchemist-interact-create-popup alchemist-info-buffer-name
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(alchemist-server-prepare-filter-output alchemist-info-filter-output)
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#'(lambda ()
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(alchemist-info-mode)
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(ansi-color-apply-on-region (point-min) (point-max))))
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(setq alchemist-info-filter-output nil)))
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(defun alchemist-info-expression-at-point ()
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"Return the expression under the cursor."
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(let (p1 p2)
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(save-excursion
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(skip-chars-backward "-_A-Za-z0-9.?!:@\'\"")
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(setq p1 (point))
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(skip-chars-forward "-_A-Za-z0-9.?!:@\'\"")
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(setq p2 (point))
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(buffer-substring-no-properties p1 p2))))
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(defun alchemist-info-datatype-at-point ()
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"Return information about any datatype under the cursor."
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(interactive)
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(let ((expr (if mark-active
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(buffer-substring-no-properties (region-beginning) (region-end))
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(alchemist-info-expression-at-point))))
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(alchemist-server-info (format "{ :type, :info, '%s' }" expr) #'alchemist-info-datatype-filter)))
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(defun alchemist-info-types-at-point ()
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"Return information of types under the cursor."
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(interactive)
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(let ((expr (alchemist-info-expression-at-point)))
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(alchemist-server-info (format "{ :type, :types, '%s' }" expr) #'alchemist-info-datatype-filter)))
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(defun alchemist-info-close-popup ()
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"Quit the information buffer window."
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(interactive)
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(quit-windows-on alchemist-info-buffer-name))
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(define-minor-mode alchemist-info-mode
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"Minor mode for Alchemist server information.
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\\{alchemist-info-mode-map}"
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nil
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" Alchemist-Info"
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alchemist-info-mode-map)
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(provide 'alchemist-info)
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;;; alchemist-info.el ends here
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