mirror of
https://github.com/godotengine/emacs-gdscript-mode.git
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78 lines
2.6 KiB
EmacsLisp
78 lines
2.6 KiB
EmacsLisp
;;; gdscript-eglot.el --- Integration with eglot -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2023 GDQuest and contributors
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;;
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;; Author: Ruijie Yu <ruijie@netyu.xyz>
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;; URL: https://github.com/godotengine/emacs-gdscript-mode/
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;; Version: 1.0.0
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;; Package-Requires: ((emacs "26.3"))
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;; Maintainer: nathan@gdquest.com
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;; Created: June 2020
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;; Keywords: languages
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;;
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;; This file is not part of GNU Emacs.
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;;
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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 <https://www.gnu.org/licenses/>.
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;;
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;;; Commentary:
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;;
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;; Handles the configuraiton of eglot.
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;; This supports `gdscript-mode' using `eglot'.
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;;
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;;; Code:
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;;;###autoload
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(defgroup gdscript-eglot nil
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"Configurations in gdscript related to `eglot'."
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:group 'gdscript)
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;;;###autoload
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(defcustom gdscript-eglot-version 4
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"The version of godot in use."
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:type 'integer)
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;;;###autoload
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(defun gdscript-eglot-contact (_interactive)
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"Attempt to help `eglot' contact the running gdscript LSP.
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Returns a list (HOST PORT) if successful, nil otherwise. See the
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last definition of CONTACT in `eglot-server-programs' for
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definitions of HOST, PORT, and INTERACTIVE.
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For more context, see
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https://lists.gnu.org/archive/html/bug-gnu-emacs/2023-04/msg01070.html."
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(save-excursion
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(let* ((cfg-dir (or (getenv "XDG_CONFIG_HOME") "~/.config"))
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(cfg-buffer
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(find-file-noselect
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(expand-file-name
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(format "godot/editor_settings-%d.tres"
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gdscript-eglot-version)
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cfg-dir)))
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(port
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(with-current-buffer cfg-buffer
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(goto-char 0)
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(and
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(re-search-forward
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(rx "network/language_server/remote_port"
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(* space) ?= (* space)
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(group (+ digit)))
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nil t)
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(string-to-number (match-string 1))))))
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(kill-buffer cfg-buffer)
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;; then return the host-port list when found
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(and port (list "localhost" port)))))
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(provide 'gdscript-eglot)
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;;; gdscript-eglot.el ends here.
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