dynwind fixes

[bpt/emacs.git] / lisp / echistory.el

diff --git a/lisp/echistory.el b/lisp/echistory.el
index abe40a6..906d8a9 100644 (file)
--- a/lisp/echistory.el
+++ b/lisp/echistory.el
@@ -1,10 +1,9 @@
 ;;; echistory.el --- Electric Command History Mode
 
-;; Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005,
-;;   2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 2001-2014 Free Software Foundation, Inc.
 
 ;; Author: K. Shane Hartman
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 
 ;; This file is part of GNU Emacs.
 
@@ -28,65 +27,69 @@
 (require 'electric)                    ; command loop
 (require 'chistory)                    ; history lister
 
+;; Dynamically bound in electric-command-history
+(defvar electric-history-in-progress)
+
 ;;;###autoload
 (defun Electric-command-history-redo-expression (&optional noconfirm)
   "Edit current history line in minibuffer and execute result.
 With prefix arg NOCONFIRM, execute current line as-is without editing."
   (interactive "P")
   (let (todo)
-    (save-excursion
-      (set-buffer "*Command History*")
+    (with-current-buffer "*Command History*"
       (beginning-of-line)
       (setq todo (read (current-buffer)))
       (if (boundp 'electric-history-in-progress)
          (if todo (throw 'electric-history-quit (list noconfirm todo)))))))
 
-(defvar electric-history-map ())
-(if electric-history-map
-    ()
-  (setq electric-history-map (make-sparse-keymap))
-  (define-key electric-history-map [t] 'Electric-history-undefined)
-  (define-key electric-history-map "\e" (make-sparse-keymap))
-  (define-key electric-history-map [?\e t] 'Electric-history-undefined)
-  (define-key electric-history-map "\C-u" 'universal-argument)
-  (define-key electric-history-map " " 'Electric-command-history-redo-expression)
-  (define-key electric-history-map "!" 'Electric-command-history-redo-expression)
-  (define-key electric-history-map "\e\C-x" 'eval-sexp)
-  (define-key electric-history-map "\e\C-d" 'down-list)
-  (define-key electric-history-map "\e\C-u" 'backward-up-list)
-  (define-key electric-history-map "\e\C-b" 'backward-sexp)
-  (define-key electric-history-map "\e\C-f" 'forward-sexp)
-  (define-key electric-history-map "\e\C-a" 'beginning-of-defun)
-  (define-key electric-history-map "\e\C-e" 'end-of-defun)
-  (define-key electric-history-map "\e\C-n" 'forward-list)
-  (define-key electric-history-map "\e\C-p" 'backward-list)
-  (define-key electric-history-map "q" 'Electric-history-quit)
-  (define-key electric-history-map "\C-c" nil)
-  (define-key electric-history-map "\C-c\C-c" 'Electric-history-quit)
-  (define-key electric-history-map "\C-]" 'Electric-history-quit)
-  (define-key electric-history-map "\C-z" 'suspend-frame)
-  (define-key electric-history-map (char-to-string help-char) 'Helper-help)
-  (define-key electric-history-map "?" 'Helper-describe-bindings)
-  (define-key electric-history-map "\e>" 'end-of-buffer)
-  (define-key electric-history-map "\e<" 'beginning-of-buffer)
-  (define-key electric-history-map "\n" 'next-line)
-  (define-key electric-history-map "\r" 'next-line)
-  (define-key electric-history-map "\177" 'previous-line)
-  (define-key electric-history-map "\C-n" 'next-line)
-  (define-key electric-history-map "\C-p" 'previous-line)
-  (define-key electric-history-map "\ev" 'scroll-down)
-  (define-key electric-history-map "\C-v" 'scroll-up)
-  (define-key electric-history-map [home] 'beginning-of-buffer)
-  (define-key electric-history-map [down] 'next-line)
-  (define-key electric-history-map [up] 'previous-line)
-  (define-key electric-history-map [prior] 'scroll-down)
-  (define-key electric-history-map [next] 'scroll-up)
-  (define-key electric-history-map "\C-l" 'recenter)
-  (define-key electric-history-map "\e\C-v" 'scroll-other-window))
+(defvar electric-history-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map [t] 'Electric-history-undefined)
+    (define-key map "\e" (make-sparse-keymap))
+    (define-key map [?\e t] 'Electric-history-undefined)
+    (define-key map "\C-u" 'universal-argument)
+    (define-key map " " 'Electric-command-history-redo-expression)
+    (define-key map "!" 'Electric-command-history-redo-expression)
+    (define-key map "\e\C-x" 'eval-sexp)
+    (define-key map "\e\C-d" 'down-list)
+    (define-key map "\e\C-u" 'backward-up-list)
+    (define-key map "\e\C-b" 'backward-sexp)
+    (define-key map "\e\C-f" 'forward-sexp)
+    (define-key map "\e\C-a" 'beginning-of-defun)
+    (define-key map "\e\C-e" 'end-of-defun)
+    (define-key map "\e\C-n" 'forward-list)
+    (define-key map "\e\C-p" 'backward-list)
+    (define-key map "q" 'Electric-history-quit)
+    (define-key map "\C-c" nil)
+    (define-key map "\C-c\C-c" 'Electric-history-quit)
+    (define-key map "\C-]" 'Electric-history-quit)
+    (define-key map "\C-z" 'suspend-frame)
+    (define-key map (char-to-string help-char) 'Helper-help)
+    (define-key map "?" 'Helper-describe-bindings)
+    (define-key map "\e>" 'end-of-buffer)
+    (define-key map "\e<" 'beginning-of-buffer)
+    (define-key map "\n" 'next-line)
+    (define-key map "\r" 'next-line)
+    (define-key map "\177" 'previous-line)
+    (define-key map "\C-n" 'next-line)
+    (define-key map "\C-p" 'previous-line)
+    (define-key map "\ev" 'scroll-down)
+    (define-key map "\C-v" 'scroll-up)
+    (define-key map [home] 'beginning-of-buffer)
+    (define-key map [down] 'next-line)
+    (define-key map [up] 'previous-line)
+    (define-key map [prior] 'scroll-down)
+    (define-key map [next] 'scroll-up)
+    (define-key map "\C-l" 'recenter)
+    (define-key map "\e\C-v" 'scroll-other-window)
+    map)
+  "Keymap for Electric Command History mode.")
 
 (defvar electric-command-history-hook nil
   "If non-nil, its value is called by `electric-command-history'.")
 
+(defvar Helper-return-blurb) ; from helper.el
+
 (defun electric-command-history ()
   "\\<electric-history-map>Major mode for examining and redoing commands from `command-history'.
 This pops up a window with the Command History listing.
@@ -114,7 +117,6 @@ The Command History listing is recomputed each time this mode is invoked."
                  (save-window-excursion
                    (list-command-history)
                    (set-buffer "*Command History*")
-                   (Command-history-setup)
                    (setq major-mode 'electric-command-history)
                    (setq mode-name "Electric History")
                    (use-local-map electric-history-map))
@@ -151,5 +153,4 @@ The Command History listing is recomputed each time this mode is invoked."
 
 (provide 'echistory)
 
-;; arch-tag: 1e5018fe-190f-44a7-9109-a895dcac4c50
 ;;; echistory.el ends here