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emacs-gdscript-mode/gdscript-comint-gdformat.el
Benjamin Kästner 9043e1a6b6 Replace old repository path
The repository was moved from GDQuest to godotengine on GitHub.
2021-03-28 20:59:54 +02:00

112 lines
4.5 KiB
EmacsLisp

;;; gdscript-comint-gdformat.el --- gdformat mode based on comint mode -*- lexical-binding: t; -*-
;;
;; Copyright (C) 2020 GDQuest and contributors
;;
;; Author: Josef Vlach <vlach.josef@gmail.com>
;; URL: https://github.com/godotengine/emacs-gdscript-mode/
;; Version: 1.0.0
;; Package-Requires: ((emacs "26.3"))
;; Maintainer: nathan@gdquest.com
;; Created: June 2020
;; Keywords: languages
;;
;; This file is not part of GNU Emacs.
;;
;; This program 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 of the License, 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.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;
;;; Commentary:
;;
;; gdformat-mode for handling stdout and stderr from gdformat executable.
;;
;; It supports quick navigation from errors to file location.
;;
;;; Code:
(require 'ansi-color)
(require 'comint)
(require 'compile)
(require 'gdscript-customization)
(require 'gdscript-utils)
(defvar gdscript-comint-gdformat--mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map
(make-composed-keymap compilation-shell-minor-mode-map
comint-mode-map))
(define-key map (kbd "C-c r") 'gdscript-hydra-show)
map)
"Basic mode map for `gdformat-mode'.")
(defun gdscript-comint-gdformat--sentinel (process event)
"Display result of formatting if gdformat PROCESS exited abnormal EVENT."
(when (string-match "exited abnormally" event)
(pop-to-buffer (process-buffer process))))
(defun gdscript-comint-gdformat--run (arguments)
"Run gdformat in comint mode.
ARGUMENTS are command line arguments for gdformat executable.
When run it will kill existing process if one exists."
(let ((buffer-name (gdscript-util--get-gdformat-buffer-name))
(inhibit-read-only t))
(when (not (executable-find gdscript-gdformat-executable))
(error "Error: Could not find %s on PATH. Please customize the gdscript-gdformat-executable variable" gdscript-gdformat-executable))
(with-current-buffer (get-buffer-create buffer-name)
(unless (derived-mode-p 'gdformat-mode)
(gdformat-mode)
(buffer-disable-undo))
(erase-buffer)
(let* ((line-length (list (format "--line-length=%s" gdscript-gdformat-line-length)))
(buffer (comint-exec (current-buffer) buffer-name gdscript-gdformat-executable nil (append line-length arguments))))
(set-process-sentinel (get-buffer-process buffer) 'gdscript-comint-gdformat--sentinel)
buffer))))
(define-derived-mode gdformat-mode comint-mode "gdformat"
"Major mode for gdformat.
\\{gdscript-comint-gdformat--mode-map}"
(use-local-map gdscript-comint-gdformat--mode-map)
(add-hook 'gdformat-mode-hook 'gdscript-comint-gdformat--initialize-for-comint-mode)
(add-hook 'gdformat-mode-hook 'gdscript-comint-gdformat--initialize-for-compilation-mode))
(defun gdscript-comint-gdformat--initialize-for-comint-mode ()
"Initialize buffer for comint mode support."
(when (derived-mode-p 'comint-mode)
(setq comint-process-echoes nil)
(setq-local comint-buffer-maximum-size 4096)
(setq-local comint-output-filter-functions '(ansi-color-process-output comint-postoutput-scroll-to-bottom))
(setq ansi-color-for-comint-mode t)))
(defun gdscript-comint-gdformat--failed-file-name()
"Find corresponding buffer name for error message: 'at line x col y'."
(save-excursion
(save-match-data
(re-search-backward "exception during formatting of \\(.*\\)")
(match-string-no-properties 1))))
(defun gdscript-comint-gdformat--initialize-for-compilation-mode ()
"Initialize buffer for compilation mode support."
(setq-local
compilation-error-regexp-alist
'(("at line \\([[:digit:]]+\\) col \\([[:digit:]]+\\)" gdscript-comint-gdformat--failed-file-name 1 2 nil nil)
("exception during formatting of \\(.*\\)$" 1 nil nil nil 1)
("reformatted \\(.*\\)$" 1 nil nil nil 1)))
(setq-local compilation-mode-font-lock-keywords nil)
(compilation-setup t))
(provide 'gdscript-comint-gdformat)
;;; gdscript-comint-gdformat.el ends here