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107 lines
4.5 KiB
107 lines
4.5 KiB
;;; async-bytecomp.el --- Async functions to compile elisp files async
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;; Copyright (C) 2014 John Wiegley
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;; Copyright (C) 2014 Thierry Volpiatto
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;; Authors: John Wiegley <jwiegley@gmail.com>
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;; Thierry Volpiatto <thierry.volpiatto@gmail.com>
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;; Keywords: dired async byte-compile
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;; X-URL: https://github.com/jwiegley/dired-async
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2, or (at
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;; your option) any later version.
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;; This program 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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;
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;; This package provide the `async-byte-recompile-directory' function
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;; which allows, as the name says to recompile a directory outside of
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;; your running emacs.
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;; The benefit is your files will be compiled in a clean environment without
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;; the old *.el files loaded.
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;; Among other things, this fix a bug in package.el which recompile
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;; the new files in the current environment with the old files loaded, creating
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;; errors in most packages after upgrades.
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;;
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;; NB: This package is advicing the function `package--compile'.
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;;; Code:
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(require 'cl-lib)
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(require 'async)
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(defvar async-byte-compile-log-file "~/.emacs.d/async-bytecomp.log")
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(defun async-byte-recompile-directory (directory &optional arg force quiet)
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(cl-loop with dir = (directory-files directory t "\\.elc\\'")
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unless dir return nil
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for f in dir
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when (file-exists-p f) do (delete-file f))
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;; Ensure async is reloaded when async.elc is deleted.
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;; This happen when recompiling its own directory.
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(load "async")
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(let ((call-back
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`(lambda (&optional ignore)
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(if (file-exists-p async-byte-compile-log-file)
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(let ((buf (get-buffer-create byte-compile-log-buffer))
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(n 0))
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(with-current-buffer buf
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(goto-char (point-max))
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(let ((inhibit-read-only t))
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(insert-file-contents async-byte-compile-log-file)
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(compilation-mode))
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(display-buffer buf)
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(delete-file async-byte-compile-log-file)
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(unless ,quiet
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward "^.*:Error:" nil t)
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(incf n)))
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(if (> n 0)
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(message "Failed to compile %d files in directory `%s'" n ,directory)
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(message "Directory `%s' compiled asynchronously with warnings" ,directory)))))
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(unless ,quiet
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(message "Directory `%s' compiled asynchronously with success" ,directory))))))
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(async-start
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`(lambda ()
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(require 'bytecomp)
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,(async-inject-variables "\\`load-path\\'")
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(let ((default-directory (file-name-as-directory ,directory))
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error-data)
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(add-to-list 'load-path default-directory)
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(byte-recompile-directory ,directory ,arg ,force)
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(when (get-buffer byte-compile-log-buffer)
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(setq error-data (with-current-buffer byte-compile-log-buffer
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(buffer-substring-no-properties (point-min) (point-max))))
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(unless (string= error-data "")
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(with-temp-file ,async-byte-compile-log-file
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(erase-buffer)
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(insert error-data))))))
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call-back)
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(message "Started compiling asynchronously directory %s..." directory)))
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(defadvice package--compile (around byte-compile-async activate)
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;; FIXME this seems redundant and unneeded, the only thing it
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;; does is loading the autoload file to update load-path but
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;; async-byte-recompile-directory is already doing this.
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;; for the rest (i.e installing info) it is done anyway after
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;; compilation in package-activate (force arg).
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(package-activate-1 pkg-desc)
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(load "async-bytecomp")
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(async-byte-recompile-directory (package-desc-dir pkg-desc) 0 t t))
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(provide 'async-bytecomp)
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;;; async-bytecomp.el ends here
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