143 lines
5 KiB
EmacsLisp
143 lines
5 KiB
EmacsLisp
;;; core-dumper.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(defvar spacemacs-dump-mode 'not-dumped
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"Spacemacs dump mode, can be `not-dumped', `dumped' or `dumping'.")
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(defvar spacemacs-dump-process nil
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"The process object to dump Emacs.")
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(defvar spacemacs-dump-delayed-functions '()
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"List of function to execute once the dump file has been loaded.")
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(defvar spacemacs-dump-load-path nil
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"Variable to backup the `load-path' variable built during the dump creation.")
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(defconst spacemacs-dump-directory
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(concat spacemacs-cache-directory "dumps/"))
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(defconst spacemacs-dump-buffer-name "*spacemacs-dumper*")
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(defun spacemacs/dump-save-load-path ()
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"Save `load-path' variable."
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(setq spacemacs-dump-load-path load-path))
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(defun spacemacs/dump-restore-load-path ()
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"Restore the `load-path' variable from the dump. "
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(spacemacs|unless-dumping
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(when (not (null spacemacs-dump-load-path))
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(setq load-path spacemacs-dump-load-path))))
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(defun spacemacs/defer (&optional idle-time)
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"Return t or IDLE-TIME when Spacemacs is not running from a dump."
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(when (eq 'not-dumped spacemacs-dump-mode)
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(or idle-time t)))
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(defmacro spacemacs|require (&rest args)
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"Require feature if dumping."
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(spacemacs|when-dumping-strict `(require ,@args)))
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(defun spacemacs-is-dumping-p ()
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"Return non-nil if Spacemacs is dumping."
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(eq 'dumping spacemacs-dump-mode))
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(defun spacemacs-run-from-dump-p ()
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"Return non-nil if Spacemacs is running from a dump."
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(eq 'dumped spacemacs-dump-mode))
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(defmacro spacemacs|when-dumping (&rest body)
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"Execute body if dumping.
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This function considers that we are always dumping if dumping is not supported.
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You should always use this function."
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(declare (indent defun))
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`(when (not (eq 'dumped spacemacs-dump-mode))
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,@body))
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(defmacro spacemacs|when-dumping-strict (&rest body)
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"Execute body if we are really dumping.
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You should not used this function, it is reserved for some specific process."
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(declare (indent defun))
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`(when (eq 'dumping spacemacs-dump-mode)
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,@body))
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(defmacro spacemacs|unless-dumping (&rest body)
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"Execute body if not dumping"
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(declare (indent defun))
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`(unless (eq 'dumping spacemacs-dump-mode)
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,@body))
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(defmacro spacemacs|unless-dumping-and-eval-after-loaded-dump (funcname &rest body)
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"Execute BODY if not dumping, delay BODY evaluation after the dump is loaded.
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FUNCNAME is the name of the function that will be created and evaluated at
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the end of the loading of the dump file."
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(declare (indent defun))
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(if (eq 'dumping spacemacs-dump-mode)
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(let ((funcname2 (intern (format "spacemacs//after-dump-%S" funcname))))
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`(progn
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(defun ,funcname2 nil ,@body)
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(add-to-list 'spacemacs-dump-delayed-functions ',funcname2)))
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`(progn ,@body)))
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(defun spacemacs/emacs-with-pdumper-set-p ()
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"Return non-nil if a portable dumper capable emacs executable is set."
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(and dotspacemacs-enable-emacs-pdumper
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(file-exists-p
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(locate-file (or dotspacemacs-emacs-pdumper-executable-file "emacs")
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exec-path exec-suffixes 'file-executable-p))))
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(defun spacemacs/dump-modes (modes)
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"Load given MODES in order to be dumped."
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(dolist (mode modes)
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(with-temp-buffer
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(when (fboundp mode)
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(message "Loading mode %S..." mode)
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(funcall-interactively mode)))))
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(defun spacemacs/dump-emacs ()
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"Dump emacs in a subprocess."
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(interactive)
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(when spacemacs-dump-process
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(message "Cancel running dumping process to start a new one.")
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(delete-process spacemacs-dump-process)
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(with-current-buffer spacemacs-dump-buffer-name
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(erase-buffer)))
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(make-directory spacemacs-dump-directory t)
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(setq spacemacs-dump-process
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(make-process
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:name "spacemacs-dumper"
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:buffer spacemacs-dump-buffer-name
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:command
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(list dotspacemacs-emacs-pdumper-executable-file
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"--batch"
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"-l" "~/.emacs.d/dump-init.el"
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"-eval" (concat "(dump-emacs-portable \""
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(concat spacemacs-dump-directory
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dotspacemacs-emacs-dumper-dump-file)
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"\")")))))
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(defun spacemacs/dump-eval-delayed-functions ()
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"Evaluate delayed functions."
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(spacemacs|unless-dumping
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(dolist (func spacemacs-dump-delayed-functions)
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(funcall func))))
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;; ;; Brute-force load all .el files in ELPA packages
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;; (dolist (d (directory-files package-user-dir t nil 'nosort))
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;; (unless (or (string-equal ".." (substring d -2))
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;; (string-equal "." (substring d -1))
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;; (not (file-directory-p d)))
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;; (message "%s" d)
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;; (dolist (f (directory-files d t "\\.el$" 'nosort))
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;; (unless (string-match-p ".*pkg\\.el$" f)
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;; (message "%s" f)
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;; (ignore-errors (load f t))))))
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(provide 'core-dumper)
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