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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/use-package-20180715.1801/use-package-jump.el')
-rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/use-package-20180715.1801/use-package-jump.el | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/use-package-20180715.1801/use-package-jump.el b/configs/shared/emacs/.emacs.d/elpa/use-package-20180715.1801/use-package-jump.el new file mode 100644 index 000000000000..4044ad165644 --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/use-package-20180715.1801/use-package-jump.el @@ -0,0 +1,79 @@ +;;; use-package-jump.el --- Attempt to jump to a use-package declaration -*- lexical-binding: t; -*- + +;; Copyright (C) 2012-2017 John Wiegley + +;; Author: John Wiegley <johnw@newartisans.com> +;; Maintainer: John Wiegley <johnw@newartisans.com> +;; Created: 17 Jun 2012 +;; Modified: 3 Dec 2017 +;; Version: 1.0 +;; Package-Requires: ((emacs "24.3") (use-package "2.4")) +;; Keywords: dotemacs startup speed config package +;; URL: https://github.com/jwiegley/use-package + +;; 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, 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 GNU Emacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;; Commentary: + +;; Provides the command `M-x use-package-jump-to-package-form', however it +;; only works if the package being jumped to was required during +;; initialization. If it was delay-loaded, it will not work. Improvements are +;; needed. + +;;; Code: + +(require 'use-package-core) + +(defun use-package-find-require (package) + "Find file that required PACKAGE by searching `load-history'. +Returns an absolute file path or nil if none is found." + (catch 'suspect + (dolist (filespec load-history) + (dolist (entry (cdr filespec)) + (when (equal entry (cons 'require package)) + (throw 'suspect (car filespec))))))) + +;;;###autoload +(defun use-package-jump-to-package-form (package) + "Attempt to find and jump to the `use-package' form that loaded +PACKAGE. This will only find the form if that form actually +required PACKAGE. If PACKAGE was previously required then this +function will jump to the file that originally required PACKAGE +instead." + (interactive (list (completing-read "Package: " features))) + (let* ((package (if (stringp package) (intern package) package)) + (requiring-file (use-package-find-require package)) + file location) + (if (null requiring-file) + (user-error "Can't find file requiring file; may have been autoloaded") + (setq file (if (string= (file-name-extension requiring-file) "elc") + (concat (file-name-sans-extension requiring-file) ".el") + requiring-file)) + (when (file-exists-p file) + (find-file-other-window file) + (save-excursion + (goto-char (point-min)) + (setq location + (re-search-forward + (format (eval use-package-form-regexp-eval) package) nil t))) + (if (null location) + (message "No use-package form found.") + (goto-char location) + (beginning-of-line)))))) + +(provide 'use-package-jump) + +;;; use-package-jump.el ends here |