You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.6 KiB
EmacsLisp
77 lines
2.6 KiB
EmacsLisp
;;; fmt.el --- -*- lexical-binding: t; -*-
|
|
|
|
;; Copyright (C) 2023 John Turner
|
|
|
|
;; Author: John Turner <notroot@gentoo-pc>
|
|
|
|
;; 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/>.
|
|
|
|
(defgroup fmt nil
|
|
"Format buffers using external programs such as rustfmt.")
|
|
|
|
(defcustom fmt-executable nil
|
|
"Formatter executable to use for formatting a buffer."
|
|
:local t
|
|
:type '(string)
|
|
:group 'fmt)
|
|
|
|
(defcustom fmt-args nil
|
|
"Args to use when running fmt-executable."
|
|
:local t
|
|
:type '(repeat string)
|
|
:group 'fmt)
|
|
|
|
(defun fmt--init-output-buffer (name)
|
|
(with-current-buffer (get-buffer-create name)
|
|
(erase-buffer)
|
|
(current-buffer)))
|
|
|
|
(defun fmt--wait-for-processes (processes)
|
|
(cl-loop for process in processes
|
|
do (cl-loop while (accept-process-output process))))
|
|
|
|
(defun fmt-process-current-buffer ()
|
|
(let* ((stdout-buffer (fmt--init-output-buffer "*fmt stdout*"))
|
|
(stderr-buffer (fmt--init-output-buffer "*fmt stderr*"))
|
|
(stderr (make-pipe-process
|
|
:name (format "%s stderr" fmt-executable)
|
|
:buffer stderr-buffer
|
|
:sentinel 'ignore
|
|
:noquery t))
|
|
(process (make-process
|
|
:name fmt-executable
|
|
:buffer stdout-buffer
|
|
:command (cons fmt-executable fmt-args)
|
|
:sentinel 'ignore
|
|
:noquery t
|
|
:connection-type 'pipe
|
|
:stderr stderr)))
|
|
(process-send-region process (point-min) (point-max))
|
|
(process-send-eof process)
|
|
(cons process stderr)))
|
|
|
|
(defun fmt-current-buffer ()
|
|
(interactive)
|
|
(pcase-let ((`(,process . ,stderr) (fmt-process-current-buffer)))
|
|
(fmt--wait-for-processes (list process stderr))
|
|
(if (zerop (process-exit-status process))
|
|
(replace-buffer-contents (process-buffer process))
|
|
(message "%s failed with exit status %s. See %s for output."
|
|
fmt-executable
|
|
(process-exit-status process)
|
|
(process-buffer stderr)))))
|
|
|
|
(provide 'fmt)
|
|
;;; fmt.el ends here
|