mirror of
https://github.com/godotengine/emacs-gdscript-mode.git
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114 lines
4.5 KiB
EmacsLisp
114 lines
4.5 KiB
EmacsLisp
;;; gdscript-project.el --- Project -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2020 GDQuest and contributors
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;;
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;; Author: Josef Vlach <vlach.josef@gmail.com>
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;; URL: https://github.com/GDQuest/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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;; Find all scenes/scripts functions.
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;;
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;;; Code:
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(require 'gdscript-utils)
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(defvar gdscript-project--script-list nil)
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(defun gdscript-project--current-buffer-scene ()
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"Return the name of current scene.
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If current buffer is not visiting scene file return nil."
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(when buffer-file-name
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(let ((scene-name (concat
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(gdscript-util--find-project-configuration-file)
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(gdscript-util--get-godot-project-file-path-relative buffer-file-name) ".tscn")))
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(when (file-exists-p scene-name) scene-name))))
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(defun gdscript-project--select-scene ()
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"Find all scenes files and let user choose one."
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(let* ((rl (gdscript-util--find-project-configuration-file))
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(scene-list (mapcar (lambda (x) (file-relative-name x rl)) (directory-files-recursively rl ".*.tscn" t)))
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(prompt (format "Buffer %s is not scene file, select scene to run" (buffer-name))))
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(gdscript-util--read scene-list prompt)))
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(defun gdscript-project--current-buffer-script ()
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"Return the name of current script.
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If current buffer is not visiting script file return nil."
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(when buffer-file-name
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(save-excursion
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(goto-char (point-min))
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(when (re-search-forward "^extends SceneTree\\|^extends MainLoop" nil t)
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(file-relative-name buffer-file-name (gdscript-util--find-project-configuration-file))))))
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(defun gdscript-project--select-script ()
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"Find all script files and let user choose one."
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(let ((hydra-open gdscript-hydra--open))
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(when hydra-open (gdscript-hydra--menu/nil))
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(unwind-protect
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(let* ((prompt (format "Buffer %s is not script file, select script to run" (buffer-name)))
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(script-name (gdscript-util--read gdscript-project--script-list prompt)))
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(gdscript-godot--run-script script-name))
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(when hydra-open (gdscript-hydra--menu/body)))))
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(defun gdscript-project--ag-cleanup ()
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"Clean after ag search.
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Try to leave Emacs as it was before ag search was launched."
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(remove-hook 'ag-search-finished-hook #'gdscript-project--ag-find-next-script)
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(let* ((ag-buffer (current-buffer))
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(ag-window (get-buffer-window ag-buffer))
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(prev-buffer (window-prev-buffers ag-window)))
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(if prev-buffer (kill-buffer ag-buffer)
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(delete-window ag-window)
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(kill-buffer ag-buffer))))
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(defun gdscript-project--ag-find-next-script ()
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"Find next script file in ag buffer."
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(let ((pos (next-single-property-change (point) 'compilation-message))
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(comp-mes (get-text-property (point) 'compilation-message)))
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(when comp-mes
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(let ((file-name (caar (compilation--loc->file-struct (compilation--message->loc comp-mes)))))
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(push file-name gdscript-project--script-list)))
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(if pos (progn (goto-char pos)
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(gdscript-project--ag-find-next-script))
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(gdscript-project--ag-cleanup)
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(with-current-buffer (window-buffer (selected-window))
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(gdscript-project--select-script)))))
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(defun gdscript-project--get-all-scripts ()
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"Find all script files and let user choose one.
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Since detection of script files require inspection of file contents,
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this use ag for performance."
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(if (not (featurep 'ag))
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(error (format "Buffer %s is no script file. To see all available scripts in current project install package 'ag'." (buffer-name)))
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(ag-project-regexp "^extends SceneTree|^extends MainLoop")
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(setq gdscript-project--script-list nil)
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(add-hook 'ag-search-finished-hook #'gdscript-project--ag-find-next-script)))
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(provide 'gdscript-project)
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;;; gdscript-project.el ends here
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