Files
emacs-gdscript-mode/gdscript-completion.el
2026-01-26 09:03:55 +01:00

105 lines
4.0 KiB
EmacsLisp

;;; gdscript-completion.el --- Autocompletion for GDScript -*- lexical-binding: t -*-
;; Copyright (C) 2020-2026 GDQuest and contributors
;; Author: Nathan Lovato <nathan@gdquest.com>
;; Fabián E. Gallina <fgallina@gnu.org>
;; Maintainer: Jen-Chieh Shen <jcs090218@gmail.com>
;; This file is not part of GNU Emacs
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; For a full copy of the GNU General Public License
;; see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Provides keywords for 'completion-at-point'.
;;
;;; Code:
(require 'gdscript-syntax)
(require 'gdscript-utils)
(require 'projectile nil t)
(declare-function projectile-project-files nil "ext:projectile.el")
(declare-function projectile-completing-read nil "ext:projectile.el")
(declare-function projectile-project-root nil "ext:projectile.el")
(declare-function projectile-ensure-project nil "ext:projectile.el")
(declare-function projectile-maybe-invalidate-cache nil "ext:projectile.el")
(declare-function project-current nil "project")
(declare-function project-root nil "project")
(declare-function project-files nil "project")
(defvar-local gdscript-completion--all-keywords
(eval-when-compile (append gdscript-keywords gdscript-built-in-classes
gdscript-built-in-constants gdscript-built-in-functions
gdscript-built-in-types)))
(defun gdscript-completion-at-point ()
"This is the function to be used for the hook `completion-at-point-functions'."
(interactive)
(let* ((bounds (bounds-of-thing-at-point 'symbol))
(start (car bounds))
(end (cdr bounds)))
(list start end gdscript-completion--all-keywords
. nil)))
(defun gdscript-completion-insert-file-path-at-point (&optional arg)
"Insert a file path at point using Godot's relative path (\"res:\").
If Projectile is available, list only the files in the current
project. If project.el detects a project, use that instead.
Otherwise, fallback to the built-in function `read-file-name'.
If using Projectile, with a prefix ARG invalidates the cache
first."
(interactive "P")
(let* ((has-projectile (featurep 'projectile))
(has-project-el (and (featurep 'project) (project-current)))
(project-root
(cond (has-projectile
(projectile-maybe-invalidate-cache arg)
(projectile-ensure-project (projectile-project-root)))
(has-project-el
(project-root (project-current)))
(t
(gdscript-util--find-project-configuration-file))))
(file
(when project-root
(cond (has-projectile
(projectile-completing-read
"Find file: "
(projectile-project-files project-root)))
(has-project-el
(completing-read
"Find file: "
(mapcar (lambda (f)
(file-relative-name f project-root))
(project-files (project-current)))))
(t
(read-file-name "Find file: " project-root)))))
(resource-path
(when file
(cond ((or has-projectile has-project-el)
file)
(t
(concat (gdscript-util--get-godot-project-file-path-relative file)
"." (file-name-extension file)))))))
(when resource-path
(insert (concat "\"res://" resource-path "\"")))))
(provide 'gdscript-completion)
;;; gdscript-completion.el ends here