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Diffstat (limited to 'lisp/chistory.el')
| -rw-r--r-- | lisp/chistory.el | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/lisp/chistory.el b/lisp/chistory.el deleted file mode 100644 index 3685e01db5c..00000000000 --- a/lisp/chistory.el +++ /dev/null @@ -1,174 +0,0 @@ -;;; chistory.el --- list command history - -;; Copyright (C) 1985 Free Software Foundation, Inc. - -;; Author: K. Shane Hartman -;; Maintainer: FSF - -;; This file is part of GNU Emacs. - -;; GNU Emacs 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. - -;; GNU Emacs 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: - -;; This really has nothing to do with list-command-history per se, but -;; its a nice alternative to C-x ESC ESC (repeat-complex-command) and -;; functions as a lister if given no pattern. It's not important -;; enough to warrant a file of its own. - -;;; Code: - -;;;###autoload -(defun repeat-matching-complex-command (&optional pattern) - "Edit and re-evaluate complex command with name matching PATTERN. -Matching occurrences are displayed, most recent first, until you select -a form for evaluation. If PATTERN is empty (or nil), every form in the -command history is offered. The form is placed in the minibuffer for -editing and the result is evaluated." - (interactive "sRedo Command (regexp): ") - (if pattern - (if (string-match "[^ \t]" pattern) - (setq pattern (substring pattern (match-beginning 0))) - (setq pattern nil))) - (let ((history command-history) - (temp) - (what)) - (while (and history (not what)) - (setq temp (car history)) - (if (and (or (not pattern) (string-match pattern (symbol-name (car temp)))) - (y-or-n-p (format "Redo %S? " temp))) - (setq what (car history)) - (setq history (cdr history)))) - (if (not what) - (error "Command history exhausted") - ;; Try to remove any useless command history element for this command. - (if (eq (car (car command-history)) 'repeat-matching-complex-command) - (setq command-history (cdr command-history))) - (edit-and-eval-command "Redo: " what)))) - -(defvar default-command-history-filter-garbage - '(command-history-mode - list-command-history - electric-command-history) - "*A list of symbols to be ignored by `default-command-history-filter'. -It that function is given a list whose car is an element of this list, -then it will return non-nil (indicating the list should be discarded from -the history). -Initially, all commands related to the command history are discarded.") - -(defvar list-command-history-filter 'default-command-history-filter - "Predicate to test which commands should be excluded from the history listing. -If non-nil, should be the name of a function of one argument. -It is passed each element of the command history when -\\[list-command-history] is called. If the filter returns non-nil for -some element, that element is excluded from the history listing. The -default filter removes commands associated with the command-history.") - -(defun default-command-history-filter (frob) - "Filter commands matching `default-command-history-filter-garbage' list -from the command history." - (or (not (consp frob)) - (memq (car frob) default-command-history-filter-garbage))) - -(defvar list-command-history-max 32 - "*If non-nil, maximum length of the listing produced by `list-command-history'.") - -;;;###autoload -(defun list-command-history () - "List history of commands typed to minibuffer. -The number of commands listed is controlled by `list-command-history-max'. -Calls value of `list-command-history-filter' (if non-nil) on each history -element to judge if that element should be excluded from the list. - -The buffer is left in Command History mode." - (interactive) - (with-output-to-temp-buffer - "*Command History*" - (let ((history command-history) - (buffer-read-only nil) - (count (or list-command-history-max -1))) - (while (and (/= count 0) history) - (if (and (boundp 'list-command-history-filter) - list-command-history-filter - (funcall list-command-history-filter (car history))) - nil - (setq count (1- count)) - (prin1 (car history)) - (terpri)) - (setq history (cdr history)))) - (save-excursion - (set-buffer "*Command History*") - (goto-char (point-min)) - (if (eobp) - (error "No command history") - (Command-history-setup))))) - -(defun Command-history-setup (&optional majormode modename keymap) - (set-buffer "*Command History*") - (use-local-map (or keymap command-history-map)) - (lisp-mode-variables nil) - (set-syntax-table emacs-lisp-mode-syntax-table) - (setq buffer-read-only t) - (use-local-map (or keymap command-history-map)) - (setq major-mode (or majormode 'command-history-mode)) - (setq mode-name (or modename "Command History"))) - -(defvar command-history-hook nil - "If non-nil, its value is called on entry to `command-history-mode'.") - -(defvar command-history-map nil) -(if command-history-map - nil - (setq command-history-map - (nconc (make-sparse-keymap) shared-lisp-mode-map)) - (suppress-keymap command-history-map) - (define-key command-history-map "x" 'command-history-repeat) - (define-key command-history-map "\n" 'next-line) - (define-key command-history-map "\r" 'next-line) - (define-key command-history-map "\177" 'previous-line)) - -(defun command-history-repeat () - "Repeat the command shown on the current line. -The buffer for that command is the previous current buffer." - (interactive) - (save-excursion - (eval (prog1 - (save-excursion - (beginning-of-line) - (read (current-buffer))) - (set-buffer - (car (cdr (buffer-list)))))))) - -;;;###autoload -(defun command-history-mode () - "Major mode for examining commands from `command-history'. -The number of commands listed is controlled by `list-command-history-max'. -The command history is filtered by `list-command-history-filter' if non-nil. -Use \\<command-history-map>\\[command-history-repeat] to repeat the command on the current line. - -Otherwise much like Emacs-Lisp Mode except that there is no self-insertion -and digits provide prefix arguments. Tab does not indent. -\\{command-history-map} -Calls the value of `command-history-hook' if that is non-nil. -The Command History listing is recomputed each time this mode is invoked." - (interactive) - (list-command-history) - (pop-to-buffer "*Command History*") - (run-hooks 'command-history-hook)) - -(provide 'chistory) - -;;; chistory.el ends here |