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https://git.notmuchmail.org/git/notmuch
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6fb7d35069
Most people who write lots of lisp tend to only sparsely use empty "separator" lines within forms. In lisp they feel unnecessary and since most files stick to this convention we get a bit confused when there are extra empty lines. It feels like the s-expressions are falling into pieces. All of this is especially true between a function's doc-string and body because the doc-string is colored differently, which visually already separates it quite sufficiently from the code that follows.
68 lines
2.4 KiB
EmacsLisp
68 lines
2.4 KiB
EmacsLisp
;; make-deps.el --- compute make dependencies for Elisp sources
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;;
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;; Copyright © Austin Clements
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;;
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;; This file is part of Notmuch.
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;;
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;; Notmuch is free software: you can redistribute it and/or modify it
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;; 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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;;
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;; Notmuch is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Notmuch. If not, see <https://www.gnu.org/licenses/>.
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;;
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;; Authors: Austin Clements <aclements@csail.mit.edu>
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;;; Code:
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(defun batch-make-deps ()
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"Invoke `make-deps' for each file on the command line."
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(setq debug-on-error t)
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(dolist (file command-line-args-left)
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(let ((default-directory command-line-default-directory))
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(find-file-literally file))
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(make-deps command-line-default-directory))
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(kill-emacs))
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(defun make-deps (&optional dir)
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"Print make dependencies for the current buffer.
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This prints make dependencies to `standard-output' based on the
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top-level `require' expressions in the current buffer. Paths in
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rules will be given relative to DIR, or `default-directory'."
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(setq dir (or dir default-directory))
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(save-excursion
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(goto-char (point-min))
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(condition-case nil
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(while t
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(let ((form (read (current-buffer))))
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;; Is it a (require 'x) form?
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(when (and (listp form) (= (length form) 2)
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(eq (car form) 'require)
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(listp (cadr form)) (= (length (cadr form)) 2)
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(eq (car (cadr form)) 'quote)
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(symbolp (cadr (cadr form))))
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;; Find the required library
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(let* ((name (cadr (cadr form)))
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(fname (locate-library (symbol-name name))))
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;; Is this file and the library in the same directory?
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;; If not, assume it's a system library and don't
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;; bother depending on it.
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(when (and fname
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(string= (file-name-directory (buffer-file-name))
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(file-name-directory fname)))
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;; Print the dependency
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(princ (format "%s.elc: %s.elc\n"
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(file-name-sans-extension
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(file-relative-name (buffer-file-name) dir))
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(file-name-sans-extension
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(file-relative-name fname dir)))))))))
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(end-of-file nil))))
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;;; make-deps.el ends here
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