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Add patch to execute-extended-command for old versions of emacs and smex.

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This commit is contained in:
Ivan Malison 2014-04-14 13:20:24 -07:00
parent 9ef2df938e
commit 0040b4cb3e
3 changed files with 56 additions and 268 deletions
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10
init.el
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@ -25,23 +25,24 @@
(add-to-list 'custom-theme-load-path "~/.emacs.d/themes/")
(add-to-list 'custom-theme-load-path "~/.emacs.d/elpa/")
(load-theme 'zenburn t)
(require 'patches)
;; =============================================================================
;; ELPA
;; =============================================================================
(require 'package)
(add-to-list 'package-archives
'("marmalade" . "http://marmalade-repo.org/packages/"))
(add-to-list 'package-archives
'("melpa" . "http://melpa.milkbox.net/packages/") t)
(add-to-list 'package-archives
'("marmalade" . "http://marmalade-repo.org/packages/"))
(package-initialize)
(defvar my-packages '(color-theme ctags ctags-update evil flymake mo-git-blame
multiple-cursors no-easy-keys starter-kit-bindings
starter-kit-ruby starter-kit magit ido-ubiquitous
find-file-in-project idle-highlight-mode paredit
inf-ruby undo-tree rainbow-delimiters smex)
inf-ruby undo-tree rainbow-delimiters package-filter smex)
"Packages that must be installed at launch.")
(defun ensure-package-installed (packages)
@ -225,8 +226,6 @@ Return a list of installed packages or nil for every package not installed."
(global-set-key (kbd "C-c C-t") 'testify-run-case)
(global-set-key (kbd "C-x C-c") 'kill-emacs)
;; Something will occasionally override this binding.
(global-set-key "\C-cg" 'rope-goto-definition)
@ -300,3 +299,4 @@ Return a list of installed packages or nil for every package not installed."
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(safe-local-variable-values (quote ((python-indent . 4) (whitespace-line-column . 80) (lexical-binding . t)))))

263
lisp/line-num.el
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@ -1,263 +0,0 @@
;;; line-num.el --- Display line numbers in left-margin of buffer.
;;
;; Filename: line-num.el
;; Description: Display line numbers in left-margin of buffer.
;; Author: (Darryl Okahata) darrylo@hpsrdmo, Drew Adams
;; Maintainer: Drew Adams
;; Copyright (C) 1999-2013, Drew Adams, all rights reserved.
;; Copyright (C) 1989, Hewlett-Packard, all rights reserved.
;; Created: Wed Mar 31 16:18:24 1999
;; Version: 21.0
;; Last-Updated: Fri Dec 28 10:06:21 2012 (-0800)
;; By: dradams
;; Update #: 214
;; URL: http://www.emacswiki.org/line-num.el
;; Doc URL: http://emacswiki.org/LineNumbers
;; Keywords: local
;; Compatibility: GNU Emacs: 20.x, 21.x, 22.x, 23.x, 24.x
;;
;; Features that might be required by this library:
;;
;; None
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:
;;
;; Display line numbers in left-margin of buffer.
;;
;; New functions defined here:
;;
;; `display-line-numbers', `toggle-line-numbers-display',
;; `turn-on-line-numbers-display', `turn-off-line-numbers-display'.
;;
;; NOTE: `setnu.el' now provides similar, but generally better,
;; functionality.
;;
;; Original author was Darryl Okahata darrylo@hpsrdmo: The copy on
;; which the current (Adams) modifications were made was obtained from
;; Rick Kunin (rickk@sperdk).
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Change Log:
;;
;; 2004/11/26 dadams
;; Replaced decf with setq...1+.
;; turn-off-line-numbers-display: Error if not displaying line #s.
;; Removed calls to `fit-frame' (and require of fit-frame.el).
;; 2000/11/01 dadams
;; 1. Added: toggle-line-numbers-display, turn-on-line-numbers-display,
;; turn-off-line-numbers-display.
;; 2. Added global vars: displaying-line-numbers-p,
;; display-line-numbers-format-string, display-line-numbers-first-line,
;; display-line-numbers-count, display-line-numbers-buffer-name,
;; display-line-numbers-modified-p.
;; 1999/04/14 dadams
;; Commented out assignment to unused free var: insert-end.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; 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 2, 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 this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
;; Floor, Boston, MA 02110-1301, USA.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Code:
;;>> Problem: Tabs at beginning of lines
;;;;;;;;;;;;;
;;;###autoload
(defun display-line-numbers ()
"Temporarily display line numbers in left margin of current buffer."
(interactive)
(or (eq (current-buffer) (window-buffer (selected-window)))
(error "Current buffer, %s, is not the selected window's buffer"
(buffer-name)))
(let ((buffer-read-only nil)
(modified (buffer-modified-p))
(name buffer-file-name)
(point (point-marker))
format-string
line-number
(count 0)
nlines
first-line)
(save-restriction
(widen)
(save-excursion
(setq first-line (window-start (selected-window)))
(goto-char first-line)
(setq line-number (1+ (count-lines (point-min) (point))))
(move-to-window-line -1)
(beginning-of-line)
(setq nlines (count-lines first-line (point)))
(let ((max (+ line-number nlines)))
(setq format-string (cond ((< max 100) "%2d ")
((< max 1000) "%3d ")
((< max 10000) "%4d ")
(t "%7d "))))))
(save-excursion
(unwind-protect
(progn
(goto-char first-line)
;; defeat file locking... don't try this at home, kids!
(setq buffer-file-name nil)
(while (<= count nlines)
(insert-before-markers (format format-string line-number))
;;;(setq insert-end (point)) THIS VAR IS FREE - AND UNUSED!
(setq line-number (1+ line-number))
(setq count (1+ count))
(forward-line 1))
(set-window-start (selected-window) first-line)
(goto-char point)
(set-buffer-modified-p modified)
(message "<<< Press SPACE to continue >>>")
(let ((char (read-char)))
(or (eql char ?\ )
(setq unread-command-events (list char))))
)
(goto-char first-line)
(let ((n (1+ (- (aref format-string 1) ?0))))
(while (> count 0)
(setq count (1- count))
(delete-char n)
(forward-line 1)))
(setq buffer-file-name name)
(set-buffer-modified-p modified)))))
;;;-----------------------------------------------------------------
(defvar displaying-line-numbers-p nil)
(make-variable-buffer-local 'displaying-line-numbers-p)
(defvar display-line-numbers-format-string nil)
(make-variable-buffer-local 'display-line-numbers-format-string)
(defvar display-line-numbers-first-line nil)
(make-variable-buffer-local 'display-line-numbers-first-line)
(defvar display-line-numbers-count 0)
(make-variable-buffer-local 'display-line-numbers-count)
(defvar display-line-numbers-buffer-name nil)
(make-variable-buffer-local 'display-line-numbers-buffer-name)
(defvar display-line-numbers-modified-p nil)
(make-variable-buffer-local 'display-line-numbers-modified-p)
;;;###autoload
(defun toggle-line-numbers-display (arg)
"Display/clear line numbers in left margin of current buffer.
With prefix ARG, just number lines in current window, not all lines in
buffer."
(interactive "P")
(if displaying-line-numbers-p
(turn-off-line-numbers-display)
(turn-on-line-numbers-display arg)))
;;;###autoload
(defun turn-on-line-numbers-display (arg)
"Display line numbers in left margin of current buffer.
With prefix ARG, just number lines in current window, not all lines in
buffer."
(interactive "P")
(or (eq (current-buffer) (window-buffer (selected-window)))
(error "Current buffer, %s, is not the selected window's buffer"
(buffer-name)))
(let ((buffer-read-only nil)
(point (point-marker))
line-number
nlines)
(setq display-line-numbers-buffer-name buffer-file-name)
(setq display-line-numbers-modified-p (buffer-modified-p))
(save-restriction
(widen)
(save-excursion
(setq display-line-numbers-first-line
(if arg
(window-start (selected-window))
(point-min)))
(goto-char display-line-numbers-first-line)
(setq line-number (1+ (count-lines (point-min) (point))))
(if arg
(move-to-window-line -1)
(goto-char (point-max)))
(beginning-of-line)
(setq nlines (count-lines display-line-numbers-first-line (point)))
(let ((max (+ line-number nlines)))
(setq display-line-numbers-format-string (cond ((< max 100) "%2d ")
((< max 1000) "%3d ")
((< max 10000) "%4d ")
(t "%7d "))))))
(save-excursion
(condition-case nil
(progn
(goto-char display-line-numbers-first-line)
(setq buffer-file-name nil) ; To prevent saving with line numbers etc.
(setq displaying-line-numbers-p t)
(while (<= display-line-numbers-count nlines)
(insert-before-markers
(format display-line-numbers-format-string line-number))
(setq line-number (1+ line-number))
(setq display-line-numbers-count (1+ display-line-numbers-count))
(forward-line 1))
(when arg
(set-window-start (selected-window) display-line-numbers-first-line))
(goto-char point)
(set-buffer-modified-p display-line-numbers-modified-p))
(error
(progn
(goto-char display-line-numbers-first-line)
(let ((n (1+ (- (aref display-line-numbers-format-string 1) ?0))))
(while (> display-line-numbers-count 0)
(setq display-line-numbers-count (1- display-line-numbers-count))
(delete-char n)
(forward-line 1)))
(setq buffer-file-name display-line-numbers-buffer-name)
(set-buffer-modified-p display-line-numbers-modified-p)
(setq displaying-line-numbers-p nil))))))
(let ((curr-line (count-lines (window-start) (point))))
(when (> curr-line 0) (setq curr-line (1+ curr-line)))
(recenter curr-line)))
;;;###autoload
(defun turn-off-line-numbers-display ()
"Clear displayed line numbers from left margin of current buffer."
(interactive)
(unless (eq (current-buffer) (window-buffer (selected-window)))
(error "Current buffer, `%s', is not the selected window's buffer"
(buffer-name)))
(unless displaying-line-numbers-p
(error "Not displaying line numbers in buffer `%s'" (buffer-name)))
(let ((buffer-read-only nil))
(save-excursion
(when (boundp 'display-line-numbers-buffer-name)
(setq buffer-file-name display-line-numbers-buffer-name))
(goto-char display-line-numbers-first-line)
(let ((n (1+ (- (aref display-line-numbers-format-string 1) ?0))))
(while (> display-line-numbers-count 0)
(setq display-line-numbers-count (1- display-line-numbers-count))
(delete-char n)
(forward-line 1)))
(when (boundp 'display-line-numbers-modified-p)
(set-buffer-modified-p display-line-numbers-modified-p))
(setq displaying-line-numbers-p nil))))
;;;;;;;;;;;;;;;;;;;;;;;
(provide 'line-num)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; line-num.el ends here

51
lisp/misc/patches.el Normal file
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@ -0,0 +1,51 @@
(if (equal (cons 1 1)
(ignore-errors
(subr-arity (symbol-function 'execute-extended-command))))
(progn (message "Patching execute-extended-command")
(defun execute-extended-command (prefixarg &optional command-name)
;; Based on Fexecute_extended_command in keyboard.c of Emacs.
;; Aaron S. Hawley <aaron.s.hawley(at)gmail.com> 2009-08-24
"Read a command name, then read the arguments and call the command.
Interactively, to pass a prefix argument to the command you are
invoking, give a prefix argument to `execute-extended-command'.
Noninteractively, the argument PREFIXARG is the prefix argument to
give to the command you invoke."
(interactive (list current-prefix-arg (read-extended-command)))
;; Emacs<24 calling-convention was with a single `prefixarg' argument.
(if (null command-name)
(setq command-name (let ((current-prefix-arg prefixarg)) ; for prompt
(read-extended-command))))
(let* ((function (and (stringp command-name) (intern-soft command-name)))
(binding (and suggest-key-bindings
(not executing-kbd-macro)
(where-is-internal function overriding-local-map t))))
(unless (commandp function)
(error "`%s' is not a valid command name" command-name))
(setq this-command function)
;; Normally `real-this-command' should never be changed, but here we really
;; want to pretend that M-x <cmd> RET is nothing more than a "key
;; binding" for <cmd>, so the command the user really wanted to run is
;; `function' and not `execute-extended-command'. The difference is
;; visible in cases such as M-x <cmd> RET and then C-x z (bug#11506).
(setq real-this-command function)
(let ((prefix-arg prefixarg))
(command-execute function 'record))
;; If enabled, show which key runs this command.
(when binding
;; But first wait, and skip the message if there is input.
(let* ((waited
;; If this command displayed something in the echo area;
;; wait a few seconds, then display our suggestion message.
(sit-for (cond
((zerop (length (current-message))) 0)
((numberp suggest-key-bindings) suggest-key-bindings)
(t 2)))))
(when (and waited (not (consp unread-command-events)))
(with-temp-message
(format "You can run the command `%s' with %s"
function (key-description binding))
(sit-for (if (numberp suggest-key-bindings)
suggest-key-bindings
2))))))))) (message "Not patching execute-extended-command"))
(provide 'patches)