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#!@EMACS@ --script
;;; indent-code.el --- Run Emacs to indent a package definition.
;; Copyright © 2017 Alex Kost <alezost@gmail.com>
;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
;; This file is part of GNU Guix.
;; GNU Guix 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.
;; GNU Guix 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This scripts indents the given file or package definition in the specified
;; file using Emacs.
;;; Code:
;; Load Scheme indentation rules from ".dir-locals.el".
(with-temp-buffer
(scheme-mode)
(let ((default-directory (file-name-as-directory load-file-name))
(enable-local-variables :all))
(hack-dir-local-variables)
(hack-local-variables-apply)))
;; Add indentation info for Scheme constructs that are not Guix-specific.
;; This is normally provided by Geiser but this file is for people who may not
;; be running Geiser, so we just copy it here (from 'geiser-syntax.el').
(defmacro guix-syntax--scheme-indent (&rest pairs)
`(progn ,@(mapcar (lambda (p)
`(put ',(car p) 'scheme-indent-function ',(cadr p)))
pairs)))
(guix-syntax--scheme-indent
(and-let* 1)
(case-lambda 0)
(catch defun)
(class defun)
(dynamic-wind 0)
(guard 1)
(let*-values 1)
(let-values 1)
(let/ec 1)
(letrec* 1)
(match 1)
(match-lambda 0)
(match-lambda* 0)
(match-let scheme-let-indent)
(match-let* 1)
(match-letrec 1)
(opt-lambda 1)
(parameterize 1)
(parameterize* 1)
(receive 2)
(require-extension 0)
(syntax-case 2)
(test-approximate 1)
(test-assert 1)
(test-eq 1)
(test-equal 1)
(test-eqv 1)
(test-group-with-cleanup 1)
(test-runner-on-bad-count! 1)
(test-runner-on-bad-end-name! 1)
(test-runner-on-final! 1)
(test-runner-on-group-begin! 1)
(test-runner-on-group-end! 1)
(test-runner-on-test-begin! 1)
(test-runner-on-test-end! 1)
(test-with-runner 1)
(unless 1)
(when 1)
(while 1)
(with-exception-handler 1)
(with-syntax 1))
(pcase command-line-args-left
(`(,file-name ,package-name)
;; Indent the definition of PACKAGE-NAME in FILE-NAME.
(find-file file-name)
(goto-char (point-min))
(if (re-search-forward (concat "^(define\\(-public\\) +"
package-name)
nil t)
(let ((indent-tabs-mode nil))
(beginning-of-defun)
(indent-sexp)
(save-buffer)
(message "Done!"))
(error "Package '%s' not found in '%s'"
package-name file-name)))
(`(,file-name)
;; Indent all of FILE-NAME.
(find-file file-name)
(let ((indent-tabs-mode nil))
(indent-region (point-min) (point-max))
(save-buffer)
(message "Done!")))
(x
(error "Usage: indent-code.el FILE [PACKAGE]")))
;;; indent-code.el ends here