-;;; esh-mode.el --- user interface
+;;; esh-mode.el --- user interface -*- lexical-binding:t -*-
-;; Copyright (C) 1999-2013 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2015 Free Software Foundation, Inc.
;; Author: John Wiegley <johnw@gnu.org>
:group 'eshell-mode)
(defcustom eshell-password-prompt-regexp
- "[Pp]ass\\(word\\|phrase\\).*:\\s *\\'"
+ (format "\\(%s\\).*:\\s *\\'" (regexp-opt password-word-equivalents))
"Regexp matching prompts for passwords in the inferior process.
This is used by `eshell-watch-for-password-prompt'."
:type 'regexp
;; Internal Variables:
-;; these are only set to `nil' initially for the sake of the
+;; these are only set to nil initially for the sake of the
;; byte-compiler, when compiling other files which `require' this one
(defvar eshell-mode nil)
(defvar eshell-mode-map nil)
(defvar eshell-last-output-end nil)
(defvar eshell-currently-handling-window nil)
-(defvar eshell-mode-syntax-table nil)
-(defvar eshell-mode-abbrev-table nil)
(define-abbrev-table 'eshell-mode-abbrev-table ())
-(if (not eshell-mode-syntax-table)
- (let ((i 0))
- (setq eshell-mode-syntax-table (make-syntax-table))
- (while (< i ?0)
- (modify-syntax-entry i "_ " eshell-mode-syntax-table)
- (setq i (1+ i)))
- (setq i (1+ ?9))
- (while (< i ?A)
- (modify-syntax-entry i "_ " eshell-mode-syntax-table)
- (setq i (1+ i)))
- (setq i (1+ ?Z))
- (while (< i ?a)
- (modify-syntax-entry i "_ " eshell-mode-syntax-table)
- (setq i (1+ i)))
- (setq i (1+ ?z))
- (while (< i 128)
- (modify-syntax-entry i "_ " eshell-mode-syntax-table)
- (setq i (1+ i)))
- (modify-syntax-entry ? " " eshell-mode-syntax-table)
- (modify-syntax-entry ?\t " " eshell-mode-syntax-table)
- (modify-syntax-entry ?\f " " eshell-mode-syntax-table)
- (modify-syntax-entry ?\n "> " eshell-mode-syntax-table)
- ;; Give CR the same syntax as newline, for selective-display.
- (modify-syntax-entry ?\^m "> " eshell-mode-syntax-table)
-;;; (modify-syntax-entry ?\; "< " eshell-mode-syntax-table)
- (modify-syntax-entry ?` "' " eshell-mode-syntax-table)
- (modify-syntax-entry ?' "' " eshell-mode-syntax-table)
- (modify-syntax-entry ?, "' " eshell-mode-syntax-table)
- ;; Used to be singlequote; changed for flonums.
- (modify-syntax-entry ?. "_ " eshell-mode-syntax-table)
- (modify-syntax-entry ?- "_ " eshell-mode-syntax-table)
- (modify-syntax-entry ?| ". " eshell-mode-syntax-table)
- (modify-syntax-entry ?# "' " eshell-mode-syntax-table)
- (modify-syntax-entry ?\" "\" " eshell-mode-syntax-table)
- (modify-syntax-entry ?\\ "/ " eshell-mode-syntax-table)
- (modify-syntax-entry ?\( "() " eshell-mode-syntax-table)
- (modify-syntax-entry ?\) ")( " eshell-mode-syntax-table)
- (modify-syntax-entry ?\{ "(} " eshell-mode-syntax-table)
- (modify-syntax-entry ?\} "){ " eshell-mode-syntax-table)
- (modify-syntax-entry ?\[ "(] " eshell-mode-syntax-table)
- (modify-syntax-entry ?\] ")[ " eshell-mode-syntax-table)
- ;; All non-word multibyte characters should be `symbol'.
- (if (featurep 'xemacs)
- (map-char-table
- (function
- (lambda (key val)
- (and (characterp key)
- (>= (char-int key) 256)
- (/= (char-syntax key) ?w)
- (modify-syntax-entry key "_ "
- eshell-mode-syntax-table))))
- (standard-syntax-table))
- (map-char-table
- (function
- (lambda (key val)
- (and (if (consp key)
- (and (>= (car key) 128)
- (/= (char-syntax (car key)) ?w))
- (and (>= key 256)
- (/= (char-syntax key) ?w)))
- (modify-syntax-entry key "_ "
- eshell-mode-syntax-table))))
- (standard-syntax-table)))))
+(defvar eshell-mode-syntax-table
+ (let ((st (make-syntax-table))
+ (i 0))
+ (while (< i ?0)
+ (modify-syntax-entry i "_ " st)
+ (setq i (1+ i)))
+ (setq i (1+ ?9))
+ (while (< i ?A)
+ (modify-syntax-entry i "_ " st)
+ (setq i (1+ i)))
+ (setq i (1+ ?Z))
+ (while (< i ?a)
+ (modify-syntax-entry i "_ " st)
+ (setq i (1+ i)))
+ (setq i (1+ ?z))
+ (while (< i 128)
+ (modify-syntax-entry i "_ " st)
+ (setq i (1+ i)))
+ (modify-syntax-entry ? " " st)
+ (modify-syntax-entry ?\t " " st)
+ (modify-syntax-entry ?\f " " st)
+ (modify-syntax-entry ?\n "> " st)
+ ;; Give CR the same syntax as newline, for selective-display.
+ (modify-syntax-entry ?\^m "> " st)
+ ;; (modify-syntax-entry ?\; "< " st)
+ (modify-syntax-entry ?` "' " st)
+ (modify-syntax-entry ?' "' " st)
+ (modify-syntax-entry ?, "' " st)
+ ;; Used to be singlequote; changed for flonums.
+ (modify-syntax-entry ?. "_ " st)
+ (modify-syntax-entry ?- "_ " st)
+ (modify-syntax-entry ?| ". " st)
+ (modify-syntax-entry ?# "' " st)
+ (modify-syntax-entry ?\" "\" " st)
+ (modify-syntax-entry ?\\ "/ " st)
+ (modify-syntax-entry ?\( "() " st)
+ (modify-syntax-entry ?\) ")( " st)
+ (modify-syntax-entry ?\{ "(} " st)
+ (modify-syntax-entry ?\} "){ " st)
+ (modify-syntax-entry ?\[ "(] " st)
+ (modify-syntax-entry ?\] ")[ " st)
+ ;; All non-word multibyte characters should be `symbol'.
+ (map-char-table
+ (if (featurep 'xemacs)
+ (lambda (key _val)
+ (and (characterp key)
+ (>= (char-int key) 256)
+ (/= (char-syntax key) ?w)
+ (modify-syntax-entry key "_ " st)))
+ (lambda (key _val)
+ (and (if (consp key)
+ (and (>= (car key) 128)
+ (/= (char-syntax (car key)) ?w))
+ (and (>= key 256)
+ (/= (char-syntax key) ?w)))
+ (modify-syntax-entry key "_ " st))))
+ (standard-syntax-table))
+ st))
;;; User Functions:
(run-hooks 'eshell-exit-hook))
;;;###autoload
-(defun eshell-mode ()
- "Emacs shell interactive mode.
-
-\\{eshell-mode-map}"
- (kill-all-local-variables)
+(define-derived-mode eshell-mode fundamental-mode "EShell"
+ "Emacs shell interactive mode."
+ (setq-local eshell-mode t)
- (setq major-mode 'eshell-mode)
- (setq mode-name "EShell")
- (set (make-local-variable 'eshell-mode) t)
-
- (make-local-variable 'eshell-mode-map)
- (setq eshell-mode-map (make-sparse-keymap))
+ ;; FIXME: What the hell!?
+ (setq-local eshell-mode-map (make-sparse-keymap))
(use-local-map eshell-mode-map)
(when eshell-status-in-mode-line
(make-local-variable 'eshell-command-running-string)
(let ((fmt (copy-sequence mode-line-format)))
- (make-local-variable 'mode-line-format)
- (setq mode-line-format fmt))
+ (setq-local mode-line-format fmt))
(let ((mode-line-elt (memq 'mode-line-modified mode-line-format)))
(if mode-line-elt
(setcar mode-line-elt 'eshell-command-running-string))))
(define-key eshell-mode-map [(meta control ?l)] 'eshell-show-output)
(define-key eshell-mode-map [(control ?a)] 'eshell-bol)
- (set (make-local-variable 'eshell-command-prefix)
- (make-symbol "eshell-command-prefix"))
+ (setq-local eshell-command-prefix (make-symbol "eshell-command-prefix"))
(fset eshell-command-prefix (make-sparse-keymap))
- (set (make-local-variable 'eshell-command-map)
- (symbol-function eshell-command-prefix))
+ (setq-local eshell-command-map (symbol-function eshell-command-prefix))
(define-key eshell-mode-map [(control ?c)] eshell-command-prefix)
;; without this, find-tag complains about read-only text being
(define-key eshell-command-map [(control ?y)] 'eshell-repeat-argument)
(setq local-abbrev-table eshell-mode-abbrev-table)
- (set-syntax-table eshell-mode-syntax-table)
- (set (make-local-variable 'dired-directory) default-directory)
(set (make-local-variable 'list-buffers-directory)
(expand-file-name default-directory))
(if eshell-first-time-p
(run-hooks 'eshell-first-time-mode-hook))
- (run-mode-hooks 'eshell-mode-hook)
(run-hooks 'eshell-post-command-hook))
(put 'eshell-mode 'mode-class 'special)
(add-hook 'pre-command-hook 'eshell-intercept-commands t t)
(message "Sending subprocess input directly")))
-(defun eshell-self-insert-command (N)
- (interactive "i")
+(defun eshell-self-insert-command ()
+ (interactive)
(process-send-string
(eshell-interactive-process)
(char-to-string (if (symbolp last-command-event)
(declare-function find-tag-interactive "etags" (prompt &optional no-default))
(defun eshell-find-tag (&optional tagname next-p regexp-p)
- "A special version of `find-tag' that ignores read-onlyness."
+ "A special version of `find-tag' that ignores whether the text is read-only."
(interactive)
(require 'etags)
(let ((inhibit-read-only t)
(let ((proc-running-p (and (eshell-interactive-process)
(not queue-p)))
(inhibit-point-motion-hooks t)
- after-change-functions)
+ (inhibit-modification-hooks t))
(unless (and proc-running-p
(not (eq (process-status
- (eshell-interactive-process)) 'run)))
+ (eshell-interactive-process))
+ 'run)))
(if (or proc-running-p
(>= (point) eshell-last-output-end))
(goto-char (point-max))
(run-hooks 'eshell-input-filter-functions)
(and (catch 'eshell-terminal
(ignore
- (if (eshell-invoke-directly cmd input)
+ (if (eshell-invoke-directly cmd)
(eval cmd)
(eshell-eval-command cmd input))))
(eshell-life-is-too-much)))))
(let ((oprocbuf (if process (process-buffer process)
(current-buffer)))
(inhibit-point-motion-hooks t)
- after-change-functions)
+ (inhibit-modification-hooks t))
(let ((functions eshell-preoutput-filter-functions))
(while (and functions string)
(setq string (funcall (car functions) string))
(if (<= (point) oend)
(setq oend (+ oend nchars)))
(insert-before-markers string)
- (if (= (window-start (selected-window)) (point))
+ (if (= (window-start) (point))
(set-window-start (selected-window)
(- (point) nchars)))
(if (= (point) eshell-last-input-end)
(goto-char (point-max))
(recenter -1))
+(defun eshell/clear (&optional scrollback)
+ "Scroll contents of eshell window out of sight, leaving a blank window.
+If SCROLLBACK is non-nil, clear the scrollback contents."
+ (interactive)
+ (if scrollback
+ (eshell/clear-scrollback)
+ (insert (make-string (window-size) ?\n))
+ (eshell-send-input)))
+
+(defun eshell/clear-scrollback ()
+ "Clear the scrollback content of the eshell window."
+ (let ((inhibit-read-only t))
+ (erase-buffer)))
+
(defun eshell-get-old-input (&optional use-current-region)
"Return the command input on the current line."
(if use-current-region
(custom-add-option 'eshell-output-filter-functions
'eshell-truncate-buffer)
-(defun eshell-send-invisible (str)
+(defun eshell-send-invisible ()
"Read a string without echoing.
Then send it to the process running in the current buffer."
- (interactive "P") ; Defeat snooping via C-x ESC ESC
+ (interactive) ; Don't pass str as argument, to avoid snooping via C-x ESC ESC
(let ((str (read-passwd
(format "%s Password: "
(process-name (eshell-interactive-process))))))
This function could be in the list `eshell-output-filter-functions'."
(when (eshell-interactive-process)
(save-excursion
- (goto-char eshell-last-output-block-begin)
- (beginning-of-line)
- (if (re-search-forward eshell-password-prompt-regexp
- eshell-last-output-end t)
- (eshell-send-invisible nil)))))
+ (let ((case-fold-search t))
+ (goto-char eshell-last-output-block-begin)
+ (beginning-of-line)
+ (if (re-search-forward eshell-password-prompt-regexp
+ eshell-last-output-end t)
+ (eshell-send-invisible))))))
(custom-add-option 'eshell-output-filter-functions
'eshell-watch-for-password-prompt)
(defun eshell-handle-control-codes ()
"Act properly when certain control codes are seen."
(save-excursion
- (let ((orig (point)))
- (goto-char eshell-last-output-block-begin)
- (unless (eolp)
- (beginning-of-line))
- (while (< (point) eshell-last-output-end)
- (let ((char (char-after)))
- (cond
- ((eq char ?\r)
- (if (< (1+ (point)) eshell-last-output-end)
- (if (memq (char-after (1+ (point)))
- '(?\n ?\r))
- (delete-char 1)
- (let ((end (1+ (point))))
- (beginning-of-line)
- (delete-region (point) end)))
- (add-text-properties (point) (1+ (point))
- '(invisible t))
- (forward-char)))
- ((eq char ?\a)
- (delete-char 1)
- (beep))
- ((eq char ?\C-h)
- (delete-backward-char 1)
- (delete-char 1))
- (t
- (forward-char))))))))
+ (goto-char eshell-last-output-block-begin)
+ (unless (eolp)
+ (beginning-of-line))
+ (while (< (point) eshell-last-output-end)
+ (let ((char (char-after)))
+ (cond
+ ((eq char ?\r)
+ (if (< (1+ (point)) eshell-last-output-end)
+ (if (memq (char-after (1+ (point)))
+ '(?\n ?\r))
+ (delete-char 1)
+ (let ((end (1+ (point))))
+ (beginning-of-line)
+ (delete-region (point) end)))
+ (add-text-properties (point) (1+ (point))
+ '(invisible t))
+ (forward-char)))
+ ((eq char ?\a)
+ (delete-char 1)
+ (beep))
+ ((eq char ?\C-h)
+ (delete-region (1- (point)) (1+ (point))))
+ (t
+ (forward-char)))))))
(custom-add-option 'eshell-output-filter-functions
'eshell-handle-control-codes)