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;;; comint.el --- general command interpreter in a window stuff
;; Copyright (C) 1988, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
;; 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: Olin Shivers <shivers@cs.cmu.edu>
;; Simon Marshall <simon@gnu.org>
;; Maintainer: XEmacs Development Team
;; Keywords: processes
;; This file is part of XEmacs.
;; XEmacs 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.
;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Synched up with: FSF 22.0.50 (CVS revision 1.345)
;;; Commentary:
;; This source has diverged somewhat from the FSF version. Please send
;; XEmacs related bug reports to xemacs-beta@xemacs.org.
;; This file defines a general command-interpreter-in-a-buffer package
;; (comint mode). The idea is that you can build specific process-in-a-buffer
;; modes on top of comint mode -- e.g., Lisp, shell, scheme, T, soar, ....
;; This way, all these specific packages share a common base functionality,
;; and a common set of bindings, which makes them easier to use (and
;; saves code, implementation time, etc., etc.).
;; Several packages are already defined using comint mode:
;; - shell.el defines a shell-in-a-buffer mode.
;; - cmulisp.el defines a simple lisp-in-a-buffer mode.
;;
;; - The file cmuscheme.el defines a scheme-in-a-buffer mode.
;; - The file tea.el tunes scheme and inferior-scheme modes for T.
;; - The file soar.el tunes Lisp and inferior-lisp modes for Soar.
;; - cmutex.el defines TeX and LaTeX modes that invoke TeX, LaTeX, BibTeX,
;; previewers, and printers from within Emacs.
;; - background.el allows csh-like job control inside Emacs.
;; It is pretty easy to make new derived modes for other processes.
;; For documentation on the functionality provided by Comint mode, and
;; the hooks available for customising it, see the comments below.
;; For further information on the standard derived modes (shell,
;; inferior-lisp, inferior-scheme, ...), see the relevant source files.
;; For hints on converting existing process modes (e.g., tex-mode,
;; background, dbx, gdb, kermit, prolog, telnet) to use comint-mode
;; instead of shell-mode, see the notes at the end of this file.
;; Brief Command Documentation:
;;============================================================================
;; Comint Mode Commands: (common to all derived modes, like shell & cmulisp
;; mode)
;;
;; M-p comint-previous-input Cycle backwards in input history
;; M-n comint-next-input Cycle forwards
;; M-r comint-previous-matching-input Previous input matching a regexp
;; M-s comint-next-matching-input Next input that matches
;; M-C-l comint-show-output Show last batch of process output
;; RET comint-send-input
;; C-d comint-delchar-or-maybe-eof Delete char unless at end of buff
;; C-c C-a comint-bol-or-process-mark First time, move point to bol;
;; second time, move to process-mark.
;; C-c C-u comint-kill-input ^u
;; C-c C-w backward-kill-word ^w
;; C-c C-c comint-interrupt-subjob ^c
;; C-c C-z comint-stop-subjob ^z
;; C-c C-\ comint-quit-subjob ^\
;; C-c C-o comint-delete-output Delete last batch of process output
;; C-c C-r comint-show-output Show last batch of process output
;; C-c C-l comint-dynamic-list-input-ring List input history
;;
;; XEmacs addition:
;; C-a comint-bol Beginning of line; skip prompt
;;
;; Not bound by default in comint-mode (some are in shell mode)
;; comint-run Run a program under comint-mode
;; send-invisible Read a line w/o echo, and send to proc
;; comint-dynamic-complete-filename Complete filename at point.
;; comint-dynamic-list-filename-completions List completions in help buffer.
;; comint-replace-by-expanded-filename Expand and complete filename at point;
;; replace with expanded/completed name.
;; comint-replace-by-expanded-history Expand history at point;
;; replace with expanded name.
;; comint-magic-space Expand history and add (a) space(s).
;; comint-kill-subjob No mercy.
;; comint-show-maximum-output Show as much output as possible.
;; comint-continue-subjob Send CONT signal to buffer's process
;; group. Useful if you accidentally
;; suspend your process (with C-c C-z).
;; comint-get-next-from-history Fetch successive input history lines
;; comint-accumulate Combine lines to send them together
;; as input.
;; comint-goto-process-mark Move point to where process-mark is.
;; comint-set-process-mark Set process-mark to point.
;; comint-mode-hook is the Comint mode hook. Basically for your keybindings.
;;; Code:
(require 'ring)
;; XEmacs addition: make the byte compiler be quiet
(eval-when-compile
(load "field")
(require 'ffap)
(require 'passwd))
;; Buffer Local Variables:
;;============================================================================
;; Comint mode buffer local variables:
;; comint-prompt-regexp string comint-bol uses to match prompt
;; comint-delimiter-argument-list list For delimiters and arguments
;; comint-last-input-start marker Handy if inferior always echoes
;; comint-last-input-end marker For comint-delete-output command
;; comint-input-ring-size integer For the input history
;; comint-input-ring ring mechanism
;; comint-input-ring-index number ...
;; comint-save-input-ring-index number ...
;; comint-input-autoexpand symbol ...
;; comint-input-ignoredups boolean ...
;; comint-dynamic-complete-functions hook For the completion mechanism
;; comint-completion-fignore list ...
;; comint-file-name-chars string ...
;; comint-file-name-quote-list list ...
;; comint-get-old-input function Hooks for specific
;; comint-input-filter-functions hook process-in-a-buffer
;; comint-output-filter-functions hook function modes.
;; comint-preoutput-filter-functions hook
;; comint-input-filter function ...
;; comint-input-sender function ...
;; comint-eol-on-send boolean ...
;; comint-process-echoes boolean ...
;; comint-scroll-to-bottom-on-input symbol For scroll behavior
;; comint-scroll-to-bottom-on-output symbol ...
;; comint-scroll-show-maximum-output boolean ...
;; comint-accum-marker marker For comint-accumulate
;;
;; Comint mode non-buffer local variables:
;; comint-completion-addsuffix boolean/cons For file name
;; comint-completion-autolist boolean completion behavior
;; comint-completion-recexact boolean ...
(defgroup comint nil
"General command interpreter in a window stuff."
:group 'processes)
(defgroup comint-completion nil
"Completion facilities in comint."
:group 'comint)
(defgroup comint-source nil
"Source finding facilities in comint."
:prefix "comint-"
:group 'comint)
(defvar comint-prompt-regexp "^"
"Regexp to recognize prompts in the inferior process.
Defaults to \"^\", the null string at BOL.
This variable is only used if the variable
`comint-use-prompt-regexp' is non-nil.
Good choices:
Canonical Lisp: \"^[^> \\n]*>+:? *\" (Lucid, franz, kcl, T, cscheme, oaklisp)
Lucid Common Lisp: \"^\\\\(>\\\\|\\\\(->\\\\)+\\\\) *\"
franz: \"^\\\\(->\\\\|<[0-9]*>:\\\\) *\"
kcl: \"^>+ *\"
shell: \"^[^#$%>\\n]*[#$%>] *\"
T: \"^>+ *\"
The pattern should begin with \"^\". It can match text on more than one line.
This pattern gets handed to re-search-backward, not looking-at.
This is a good thing to set in mode hooks.")
(defcustom comint-prompt-read-only nil
"If non-nil, the comint prompt is read only.
The read only region includes the newline before the prompt.
This does not affect existing prompts.
Certain derived modes may override this option.
If you set this option to t, then the safe way to temporarily
override the read-only-ness of comint prompts is to call
`comint-kill-whole-line' or `comint-kill-region' with no
narrowing in effect. This way you will be certain that none of
the remaining prompts will be accidentally messed up. You may
wish to put something like the following in your `user-init-file':
\(add-hook 'comint-mode-hook
(lambda ()
(define-key comint-mode-map \"\\C-w\" 'comint-kill-region)
(define-key comint-mode-map [C-S-backspace]
'comint-kill-whole-line)))
If you sometimes use comint-mode on text-only terminals or with `xemacs -nw',
you might wish to use another binding for `comint-kill-whole-line'."
:type 'boolean
:group 'comint)
(defvar comint-delimiter-argument-list ()
"List of characters to recognize as separate arguments in input.
Strings comprising a character in this list will separate the arguments
surrounding them, and also be regarded as arguments in their own right (unlike
whitespace). See `comint-arguments'.
Defaults to the empty list.
For shells, a good value is (?\\| ?& ?< ?> ?\\( ?\\) ?;).
This is a good thing to set in mode hooks.")
(defcustom comint-input-autoexpand nil
"*If non-nil, expand input command history references on completion.
This mirrors the optional behavior of tcsh (its autoexpand and histlist).
If the value is `input', then the expansion is seen on input.
If the value is `history', then the expansion is only when inserting
into the buffer's input ring. See also `comint-magic-space' and
`comint-dynamic-complete'.
This variable is buffer-local."
:type '(choice (const :tag "off" nil)
(const :tag "on" t)
(const input)
(const history))
:group 'comint)
(defface comint-highlight-input '((t (:bold t)))
"Face to use to highlight user input."
:group 'comint)
(defface comint-highlight-prompt
;; XEmacs change: we don't have a min-colors property
'((((background dark)) (:foreground "cyan1"))
(((background dark)) (:foreground "cyan"))
(t (:foreground "dark blue")))
"Face to use to highlight prompts."
:group 'comint)
;; This should default to t for consistency with minibuffer history. -jwz
(defcustom comint-input-ignoredups t
"*If non-nil, don't add input matching the last on the input ring.
This mirrors the optional behavior of bash.
This variable is buffer-local."
:type 'boolean
:group 'comint)
(defcustom comint-input-ring-file-name nil
"*If non-nil, name of the file to read/write input history.
See also `comint-read-input-ring' and `comint-write-input-ring'.
This variable is buffer-local, and is a good thing to set in mode hooks."
:type '(choice (const :tag "None" nil)
file)
:group 'comint)
(defcustom comint-scroll-to-bottom-on-input nil
"*Controls whether input to interpreter causes window to scroll.
If nil, then do not scroll. If t or `all', scroll all windows showing buffer.
If `this', scroll only the selected window.
The default is nil.
See `comint-preinput-scroll-to-bottom'. This variable is buffer-local."
:type '(choice (const :tag "off" nil)
(const t)
(const all)
(const this))
:group 'comint)
(defcustom comint-move-point-for-output nil
"*Controls whether interpreter output moves point to the end of the output.
If nil, then output never moves point to the output.
\(If the output occurs at point, it is inserted before point.)
If t or `all', move point in all windows showing the buffer.
If `this', move point only the selected window.
If `others', move point only in other windows, not in the selected window.
The default is nil.
See the variable `comint-scroll-show-maximum-output' and the function
`comint-postoutput-scroll-to-bottom'.
This variable is buffer-local in all Comint buffers."
:type '(choice (const :tag "off" nil)
(const t)
(const all)
(const this)
(const others))
:group 'comint)
(defvaralias 'comint-scroll-to-bottom-on-output 'comint-move-point-for-output)
;; XEmacs change: also support numeric values
(defcustom comint-scroll-show-maximum-output t
"*Controls how to scroll due to interpreter output.
This variable applies when point is at the end of the buffer
\(either because it was originally there, or because
`comint-move-point-for-output' said to move it there)
and output from the subprocess is inserted.
T means scroll so that the window is full of text
and point is on the last line. A value of nil
means don't do anything special--scroll normally.
You may set this to an integer number of lines to keep shown, or a
floating point percentage of the window size to keep filled.
A negative number expresses a distance from the bottom, as when using
a prefix argument with `recenter' (bound to `\\[recenter]').
See also the variable `comint-move-point-for-output' and the function
`comint-postoutput-scroll-to-bottom'.
This variable is buffer-local in all Comint buffers."
:type '(choice (const :tag "Off" nil)
(const :tag "On" t)
(integer :tag "Number of lines" 20)
(number :tag "Decimal Percent of window" .85))
:group 'comint)
(defcustom comint-buffer-maximum-size 1024
"*The maximum size in lines for Comint buffers.
Comint buffers are truncated from the top to be no greater than this number, if
the function `comint-truncate-buffer' is on `comint-output-filter-functions'."
:type 'integer
:group 'comint)
(defvar comint-input-ring-size 150
"Size of input history ring.")
(defvar comint-input-ring-separator "\n"
"Separator between commands in the history file.")
(defvar comint-input-history-ignore "^#"
"Regexp for history entries that should be ignored when Comint initializes.")
(defcustom comint-process-echoes nil
"*If non-nil, assume that the subprocess echoes any input.
If so, delete one copy of the input so that only one copy eventually
appears in the buffer.
This variable is buffer-local."
:type 'boolean
:group 'comint)
;; AIX puts the name of the person being su'd to in front of the prompt.
;; kinit prints a prompt like `Password for devnull@GNU.ORG: '.
;; ksu prints a prompt like `Kerberos password for devnull/root@GNU.ORG: '.
;; ssh-add prints a prompt like `Enter passphrase: '.
;; Some implementations of passwd use "Password (again)" as the 2nd prompt.
(defcustom comint-password-prompt-regexp
"\\(\\([Oo]ld \\|[Nn]ew \\|'s \\|login \\|\
Kerberos \\|CVS \\|UNIX \\| SMB \\|^\\)\
\[Pp]assword\\( (again)\\)?\\|\
pass phrase\\|\\(Enter\\|Repeat\\|Bad\\) passphrase\\)\
\\(?:, try again\\)?\\(?: for [^:]+\\)?:\\s *\\'"
"*Regexp matching prompts for passwords in the inferior process.
This is used by `comint-watch-for-password-prompt'."
:type 'regexp
:group 'comint)
;; Here are the per-interpreter hooks.
(defvar comint-get-old-input (function comint-get-old-input-default)
"Function that returns old text in Comint mode.
This function is called when return is typed while the point is in old
text. It returns the text to be submitted as process input. The
default is `comint-get-old-input-default', which either grabs the
current input field or grabs the current line and strips off leading
text matching `comint-prompt-regexp', depending on the value of
`comint-use-prompt-regexp'.")
(defvar comint-dynamic-complete-functions
'(comint-replace-by-expanded-history comint-dynamic-complete-filename)
"List of functions called to perform completion.
Functions should return non-nil if completion was performed.
See also `comint-dynamic-complete'.
This is a good thing to set in mode hooks.")
;; XEmacs change: ignore very short inputs
(defvar comint-input-filter
#'(lambda (str)
(and (not (string-match "\\`\\s *\\'" str))
;; Ignore '!!' and kin
(> (length str) 2)))
"Predicate for filtering additions to input history.
Takes one argument, the input. If non-nil, the input may be saved on the input
history list. Default is to save anything longer than two characters
that isn't all whitespace.")
(defvar comint-input-filter-functions '()
"Functions to call before input is sent to the process.
These functions get one argument, a string containing the text to send.
This variable is buffer-local.")
(defvar comint-output-filter-functions '(comint-postoutput-scroll-to-bottom
comint-watch-for-password-prompt)
"Functions to call after output is inserted into the buffer.
One possible function is `comint-postoutput-scroll-to-bottom'.
These functions get one argument, a string containing the text as originally
inserted. Note that this might not be the same as the buffer contents between
`comint-last-output-start' and the buffer's `process-mark', if other filter
functions have already modified the buffer.
See also `comint-preoutput-filter-functions'.
You can use `add-hook' to add functions to this list
either globally or locally.")
(defvar comint-input-sender-no-newline nil
"Non-nil directs the `comint-input-sender' function not to send a newline.")
(defvar comint-input-sender (function comint-simple-send)
"Function to actually send to PROCESS the STRING submitted by user.
Usually this is just `comint-simple-send', but if your mode needs to
massage the input string, put a different function here.
`comint-simple-send' just sends the string plus a newline.
\(If `comint-input-sender-no-newline' is non-nil, it omits the newline.)
This is called from the user command `comint-send-input'.")
(defcustom comint-eol-on-send t
"*Non-nil means go to the end of the line before sending input.
See `comint-send-input'."
:type 'boolean
:group 'comint)
;; Note: If it is decided to purge comint-prompt-regexp from the source
;; entirely, searching for uses of this variable will help to identify
;; places that need attention.
(defcustom comint-use-prompt-regexp nil
"*If non-nil, use `comint-prompt-regexp' to recognize prompts.
If nil, then program output and user-input are given different `field'
properties, which Emacs commands can use to distinguish them (in
particular, common movement commands such as `beginning-of-line'
respect field boundaries in a natural way)."
:type 'boolean
:group 'comint)
;; XEmacs change: we don't need the autoload here since we never used
;; comint-use-prompt-regexp-instead-of-fields
(define-obsolete-variable-alias 'comint-use-prompt-regexp-instead-of-fields
'comint-use-prompt-regexp)
(defcustom comint-mode-hook nil
"Hook run upon entry to `comint-mode'.
This is run before the process is cranked up."
:type 'hook
:group 'comint)
;; XEmacs change: This is initialized by the various language environments.
;; Do not Custom-ize it.
(defvar comint-exec-hook '()
"Called each time a process is exec'd by `comint-exec'.
This is called after the process is cranked up. It is useful for things that
must be done each time a process is executed in a Comint mode buffer (e.g.,
`(process-kill-without-query)'). In contrast, the `comint-mode-hook' is only
executed once when the buffer is created.")
;; XEmacs change: we set up the keymap and menus differently.
(defvar comint-mode-map nil)
;; Fixme: Is this still relevant?
(defvar comint-ptyp t
"Non-nil if communications via pty; false if by pipe. Buffer local.
This is to work around a bug in Emacs process signaling.")
(defvar comint-input-ring nil)
(defvar comint-last-input-start nil)
(defvar comint-last-input-end nil)
(defvar comint-last-output-start nil)
(defvar comint-input-ring-index nil
"Index of last matched history element.")
(defvar comint-matching-input-from-input-string ""
"Input previously used to match input history.")
(defvar comint-save-input-ring-index
"Last input ring index which you copied.
This is to support the command \\[comint-get-next-from-history].")
(defvar comint-accum-marker nil
"Non-nil if you are accumulating input lines to send as input together.
The command \\[comint-accumulate] sets this.")
(defvar comint-stored-incomplete-input nil
"Stored input for history cycling.")
(put 'comint-replace-by-expanded-history 'menu-enable 'comint-input-autoexpand)
(put 'comint-input-ring 'permanent-local t)
(put 'comint-input-ring-index 'permanent-local t)
(put 'comint-save-input-ring-index 'permanent-local t)
(put 'comint-input-autoexpand 'permanent-local t)
(put 'comint-input-filter-functions 'permanent-local t)
(put 'comint-output-filter-functions 'permanent-local t)
(put 'comint-preoutput-filter-functions 'permanent-local t)
(put 'comint-scroll-to-bottom-on-input 'permanent-local t)
(put 'comint-move-point-for-output 'permanent-local t)
(put 'comint-scroll-show-maximum-output 'permanent-local t)
(put 'comint-ptyp 'permanent-local t)
(put 'comint-mode 'mode-class 'special)
(defvar comint-1-menubar-menu nil)
(defconst comint-1-menubar-menu-1
'("Complete"
["Complete Before Point" comint-dynamic-complete t]
["Complete File Name" comint-dynamic-complete-filename t]
["File Completion Listing" comint-dynamic-list-filename-completions t]
["Expand File Name" comint-replace-by-expanded-filename t]
;; this is cheesy but the easiest way to get this.
["Complete Env. Variable Name" shell-dynamic-complete-environment-variable
:active t :included (eq 'shell-mode major-mode)]
["Expand Directory Reference" shell-replace-by-expanded-directory
:active t :included (eq 'shell-mode major-mode)]
"---"
("History"
:filter comint-history-menu-filter
["Expand History Before Point" comint-replace-by-expanded-history
comint-input-autoexpand]
["List Input History" comint-dynamic-list-input-ring t]
"---"
)))
(defvar comint-2-menubar-menu nil)
(defconst comint-2-menubar-menu-1
'("In/Out"
["Previous Input" comint-previous-input t]
["Next Input" comint-next-input t]
["Previous Matching Current Input"
comint-previous-matching-input-from-input t]
["Next Matching Current Input" comint-next-matching-input-from-input t]
["Previous Input Matching Regexp..." comint-previous-matching-input t]
["Next Input Matching Regexp..." comint-next-matching-input t]
["Backward Matching Input..." comint-backward-matching-input t]
["Forward Matching Input..." comint-forward-matching-input t]
"---"
["Copy Old Input" comint-copy-old-input t]
["Kill Current Input" comint-kill-input t]
["Show Current Output Group" comint-show-output t]
["Show Maximum Output" comint-show-maximum-output t]
["Backward Output Group" comint-previous-prompt t]
["Forward Output Group" comint-next-prompt t]
["Write Current Output Group to File" comint-write-output t]
["Append Current Output Group to File" comint-append-output-to-file t]
["Delete Current Output Group" comint-delete-output t]
))
(defvar comint-history-menubar-menu nil)
(defconst comint-history-menubar-menu-1
'("Signals"
["Send BREAK" comint-interrupt-subjob t]
["Send STOP" comint-stop-subjob t]
["Send CONT" comint-continue-subjob t]
["Send QUIT" comint-quit-subjob t]
["Send KILL" comint-kill-subjob t]
["Send EOF" comint-send-eof t]
))
;; XEmacs hack: autoload a dummy autoload instead of a derived mode
;;;###autoload(autoload 'comint-mode "comint" nil t)
(define-derived-mode comint-mode fundamental-mode "Comint"
"Major mode for interacting with an inferior interpreter.
Interpreter name is same as buffer name, sans the asterisks.
Return at end of buffer sends line as input.
Return not at end copies rest of line to end and sends it.
Setting variable `comint-eol-on-send' means jump to the end of the line
before submitting new input.
This mode is customized to create major modes such as Inferior Lisp
mode, Shell mode, etc. This can be done by setting the hooks
`comint-input-filter-functions', `comint-input-filter', `comint-input-sender'
and `comint-get-old-input' to appropriate functions, and the variable
`comint-prompt-regexp' to the appropriate regular expression.
An input history is maintained of size `comint-input-ring-size', and
can be accessed with the commands \\[comint-next-input], \\[comint-previous-input], and \\[comint-dynamic-list-input-ring].
Input ring history expansion can be achieved with the commands
\\[comint-replace-by-expanded-history] or \\[comint-magic-space].
Input ring expansion is controlled by the variable `comint-input-autoexpand',
and addition is controlled by the variable `comint-input-ignoredups'.
Commands with no default key bindings include `send-invisible',
`comint-dynamic-complete', `comint-dynamic-list-filename-completions', and
`comint-magic-space'.
Input to, and output from, the subprocess can cause the window to scroll to
the end of the buffer. See variables `comint-output-filter-functions',
`comint-preoutput-filter-functions', `comint-scroll-to-bottom-on-input',
and `comint-move-point-for-output'.
If you accidentally suspend your process, use \\[comint-continue-subjob]
to continue it.
\\{comint-mode-map}
Entry to this mode runs the hooks on `comint-mode-hook'."
(setq mode-line-process '(":%s"))
(set (make-local-variable 'comint-last-input-start) (point-min-marker))
(set (make-local-variable 'comint-last-input-end) (point-min-marker))
(set (make-local-variable 'comint-last-output-start) (make-marker))
(make-local-variable 'comint-last-prompt-extent)
(make-local-variable 'comint-prompt-regexp) ; Don't set; default
(make-local-variable 'comint-input-ring-size) ; ...to global val.
(make-local-variable 'comint-input-ring)
(make-local-variable 'comint-input-ring-file-name)
(or (and (boundp 'comint-input-ring) comint-input-ring)
(setq comint-input-ring (make-ring comint-input-ring-size)))
(make-local-variable 'comint-input-ring-index)
(make-local-variable 'comint-save-input-ring-index)
(or (and (boundp 'comint-input-ring-index) comint-input-ring-index)
(setq comint-input-ring-index nil))
(or (and (boundp 'comint-save-input-ring-index) comint-save-input-ring-index)
(setq comint-save-input-ring-index nil))
(make-local-variable 'comint-matching-input-from-input-string)
(make-local-variable 'comint-input-autoexpand)
(make-local-variable 'comint-input-ignoredups)
(make-local-variable 'comint-delimiter-argument-list)
(make-local-variable 'comint-completion-fignore)
(make-local-variable 'comint-get-old-input)
(make-local-variable 'comint-input-filter)
(make-local-variable 'comint-input-sender)
(make-local-variable 'comint-eol-on-send)
(make-local-variable 'comint-scroll-to-bottom-on-input)
(make-local-variable 'comint-move-point-for-output)
(make-local-variable 'comint-scroll-show-maximum-output)
(make-local-variable 'comint-stored-incomplete-input)
;; XEmacs change: add 5 more local hooks
(make-local-hook 'comint-dynamic-complete-functions)
(make-local-hook 'comint-input-filter-functions)
(make-local-hook 'pre-command-hook)
(make-local-hook 'comint-output-filter-functions)
(make-local-hook 'comint-exec-hook)
;; XEmacs change: we cannot make scroll-conservatively buffer local
(add-hook 'pre-command-hook 'comint-preinput-scroll-to-bottom t t)
(make-local-variable 'comint-ptyp)
(make-local-variable 'comint-process-echoes)
(make-local-variable 'comint-file-name-chars)
(make-local-variable 'comint-file-name-quote-list)
(set (make-local-variable 'comint-accum-marker) (make-marker))
;; XEmacs change: font-lock-unfontify-buffer may not be loaded
;(add-hook 'change-major-mode-hook 'font-lock-unfontify-buffer nil t)
;; This behavior is not useful in comint buffers, and is annoying
(set (make-local-variable 'next-line-add-newlines) nil)
(unless comint-1-menubar-menu
(easy-menu-define comint-1-menubar-menu nil ""
comint-1-menubar-menu-1))
(easy-menu-add comint-1-menubar-menu)
;; (add-submenu nil comint-2-menubar-menu)
(unless comint-2-menubar-menu
(easy-menu-define comint-2-menubar-menu nil ""
comint-2-menubar-menu-1))
(easy-menu-add comint-2-menubar-menu)
;; (add-submenu nil comint-history-menubar-menu)))
(unless comint-history-menubar-menu
(easy-menu-define comint-history-menubar-menu nil ""
comint-history-menubar-menu-1))
(easy-menu-add comint-history-menubar-menu)
(run-hooks 'comint-mode-hook))
(unless comint-mode-map
;; Keys:
(setq comint-mode-map (make-sparse-keymap 'comint-mode-map))
(define-key comint-mode-map "\M-p" 'comint-previous-input)
(define-key comint-mode-map "\M-n" 'comint-next-input)
(define-key comint-mode-map '(control up) 'comint-previous-matching-input-from-input)
(define-key comint-mode-map '(control down) 'comint-next-matching-input-from-input)
(define-key comint-mode-map "\M-r" 'comint-previous-matching-input)
(define-key comint-mode-map "\M-s" 'comint-next-matching-input)
(define-key comint-mode-map "\C-c\M-r" 'comint-previous-matching-input-from-input)
(define-key comint-mode-map "\C-c\M-s" 'comint-next-matching-input-from-input)
(define-key comint-mode-map "\M-\C-l" 'comint-show-output)
(define-key comint-mode-map "\C-m" 'comint-send-input)
(define-key comint-mode-map "\C-a" 'comint-bol)
(define-key comint-mode-map "\C-d" 'comint-delchar-or-maybe-eof)
(define-key comint-mode-map "\C-c\C-x" 'comint-get-next-from-history)
(define-key comint-mode-map "\C-c\C-a" 'comint-bol-or-process-mark)
(define-key comint-mode-map "\C-c\C-u" 'comint-kill-input)
(define-key comint-mode-map "\C-c\C-w" 'backward-kill-word)
(define-key comint-mode-map "\C-c\C-c" 'comint-interrupt-subjob)
(define-key comint-mode-map "\C-c\C-z" 'comint-stop-subjob)
(define-key comint-mode-map "\C-c\C-\\" 'comint-quit-subjob)
(define-key comint-mode-map "\C-c\C-m" 'comint-copy-old-input)
(define-key comint-mode-map "\C-c\C-o" 'comint-delete-output)
(define-key comint-mode-map "\C-c\C-r" 'comint-show-output)
(define-key comint-mode-map "\C-c\C-e" 'comint-show-maximum-output)
(define-key comint-mode-map "\C-c\C-l" 'comint-dynamic-list-input-ring)
(define-key comint-mode-map "\C-c\C-n" 'comint-next-prompt)
(define-key comint-mode-map "\C-c\C-p" 'comint-previous-prompt)
(define-key comint-mode-map "\C-c\C-d" 'comint-send-eof)
(define-key comint-mode-map "\C-c\C-s" 'comint-write-output)
(define-key comint-mode-map "\C-c." 'comint-insert-previous-argument)
;; John Rose's suggestion
(define-key comint-mode-map "\M-}" 'comint-next-prompt)
(define-key comint-mode-map "\M-{" 'comint-previous-prompt)
;; Mouse Buttons:
(define-key comint-mode-map 'button2 'comint-insert-input)
;;#-infodock (define-key comint-mode-map 'button3 'comint-popup-menu)
)
;;
;; Left for infodock. Not sure if history is right.
;;
(defun comint-popup-menu (event)
"Display the comint-mode menu."
(interactive "@e")
(let ((history (comint-make-history-menu)))
(popup-menu (if history
(append mode-popup-menu
(list "---" (cons "Command History" history)))
mode-popup-menu))))
(defcustom comint-history-menu-max 40
"*Maximum number of entries to display on the Comint command-history menu."
:type 'integer
:group 'comint)
(defun comint-history-menu-filter (menu)
(append menu (comint-make-history-menu)))
(defun comint-make-history-menu ()
(if (or (not (ringp comint-input-ring))
(ring-empty-p comint-input-ring))
nil
(let ((menu nil)
hist
(index (1- (ring-length comint-input-ring)))
(count 0))
;; We have to build up a list ourselves from the ring vector.
;; We don't want the entries to get translated in a Mule
;; environment, so we use the `suffix' field of the menu entries.
(while (and (>= index 0)
(and comint-history-menu-max
(< count comint-history-menu-max)))
(setq hist (ring-ref comint-input-ring index)
menu (cons (vector "" (list 'comint-menu-history hist) t hist)
menu)
count (1+ count)
index (1- index)))
menu)))
(defun comint-menu-history (string)
(goto-char (point-max))
(delete-region (process-mark (get-buffer-process (current-buffer))) (point))
(insert string))
(defun comint-check-proc (buffer)
"Return non-nil if there is a living process associated w/buffer BUFFER.
Living means the status is `open', `run', or `stop'.
BUFFER can be either a buffer or the name of one."
(let ((proc (get-buffer-process buffer)))
(and proc (memq (process-status proc) '(open run stop)))))
;;;###autoload
(defun make-comint-in-buffer (name buffer program &optional startfile &rest switches)
"Make a Comint process NAME in BUFFER, running PROGRAM.
If BUFFER is nil, it defaults to NAME surrounded by `*'s.
PROGRAM should be either a string denoting an executable program to create
via `start-process', or a cons pair of the form (HOST . SERVICE) denoting a TCP
connection to be opened via `open-network-stream'. If there is already a
running process in that buffer, it is not restarted. Optional fourth arg
STARTFILE is the name of a file to send the contents of to the process.
If PROGRAM is a string, any more args are arguments to PROGRAM."
(or (fboundp 'start-process)
(error "Multi-processing is not supported for this system"))
(setq buffer (get-buffer-create (or buffer (concat "*" name "*"))))
;; If no process, or nuked process, crank up a new one and put buffer in
;; comint mode. Otherwise, leave buffer and existing process alone.
(unless (comint-check-proc buffer)
(with-current-buffer buffer
(unless (derived-mode-p 'comint-mode)
(comint-mode))) ; Install local vars, mode, keymap, ...
(comint-exec buffer name program startfile switches))
buffer)
;; Note that this guy, unlike shell.el's make-shell, barfs if you pass it ()
;; for the second argument (program).
;;;###autoload
(defun make-comint (name program &optional startfile &rest switches)
"Make a Comint process NAME in a buffer, running PROGRAM.
The name of the buffer is made by surrounding NAME with `*'s.
PROGRAM should be either a string denoting an executable program to create
via `start-process', or a cons pair of the form (HOST . SERVICE) denoting a TCP
connection to be opened via `open-network-stream'. If there is already a
running process in that buffer, it is not restarted. Optional third arg
STARTFILE is the name of a file to send the contents of the process to.
If PROGRAM is a string, any more args are arguments to PROGRAM."
(apply #'make-comint-in-buffer name nil program startfile switches))
;;;###autoload
(defun comint-run (program)
"Run PROGRAM in a Comint buffer and switch to it.
The buffer name is made by surrounding the file name of PROGRAM with `*'s.
The file name is used to make a symbol name, such as `comint-sh-hook', and any
hooks on this symbol are run in the buffer.
See `make-comint' and `comint-exec'."
(interactive "sRun program: ")
(let ((name (file-name-nondirectory program)))
(switch-to-buffer (make-comint name program))
(run-hooks (intern-soft (concat "comint-" name "-hook")))))
(defun comint-exec (buffer name command startfile switches)
"Start up a process named NAME in buffer BUFFER for Comint modes.
Runs the given COMMAND with SWITCHES with output to STARTFILE.
Blasts any old process running in the buffer. Doesn't set the buffer mode.
You can use this to cheaply run a series of processes in the same Comint
buffer. The hook `comint-exec-hook' is run after each exec."
(with-current-buffer buffer
(let ((proc (get-buffer-process buffer))) ; Blast any old process.
(if proc (delete-process proc)))
;; Crank up a new process
(let ((proc
(if (consp command)
(open-network-stream name buffer (car command) (cdr command))
(comint-exec-1 name buffer command switches))))
(set-process-filter proc 'comint-output-filter)
(make-local-variable 'comint-ptyp)
(setq comint-ptyp process-connection-type) ; T if pty, NIL if pipe.
;; Jump to the end, and set the process mark.
(goto-char (point-max))
(set-marker (process-mark proc) (point))
;; Feed it the startfile.
(cond (startfile
;;This is guaranteed to wait long enough
;;but has bad results if the comint does not prompt at all
;; (while (= size (buffer-size))
;; (sleep-for 1))
;;I hope 1 second is enough!
(sleep-for 1)
(goto-char (point-max))
(insert-file-contents startfile)
(setq startfile (buffer-substring (point) (point-max)))
(delete-region (point) (point-max))
(comint-send-string proc startfile)))
(run-hooks 'comint-exec-hook)
buffer)))
;; This auxiliary function cranks up the process for comint-exec in
;; the appropriate environment.
(defun comint-exec-1 (name buffer command switches)
(let ((process-environment
(nconc
;; If using termcap, we specify `emacs' as the terminal type
;; because that lets us specify a width.
;; If using terminfo, we specify `dumb' because that is
;; a defined terminal type. `emacs' is not a defined terminal type
;; and there is no way for us to define it here.
;; Some programs that use terminfo get very confused
;; if TERM is not a valid terminal type.
(list "TERM=dumb"
(format "TERMCAP=emacs:co#%d:tc=unknown:" (frame-width))
(format "COLUMNS=%d" (frame-width)))
(if (getenv "EMACS") nil (list "EMACS=t"))
process-environment))
(default-directory
(if (file-accessible-directory-p default-directory)
default-directory
"/")))
(apply #'start-process name buffer command switches)
;; XEmacs change: the coding-system and EOL convention stuff appears not
;; to be necessary for us.
))
(defun comint-insert-input (event)
"In a Comint buffer, set the current input to the previous input at point."
;; This doesn't use "e" because it is supposed to work
;; for events without parameters.
(interactive "e")
(mouse-set-point event)
(let ((pos (point)))
(if (not (eq (field-at-pos pos) 'input))
;; No input at POS, fall back to the global definition.
(let* ((keys (this-command-keys))
(last-key (and (vectorp keys) (aref keys (1- (length keys)))))
(fun (and last-key (lookup-key global-map (vector last-key)))))
(and fun (call-interactively fun)))
;; There's previous input at POS, insert it at the end of the buffer.
(goto-char (point-max))
;; First delete any old unsent input at the end
(delete-region
(or (marker-position comint-accum-marker)
(process-mark (get-buffer-process (current-buffer))))
(point))
;; Insert the input at point
(insert (field-string-no-properties pos)))))
;; Input history processing in a buffer
;; ===========================================================================
;; Useful input history functions, courtesy of the Ergo group.
;; Eleven commands:
;; comint-dynamic-list-input-ring List history in help buffer.
;; comint-previous-input Previous input...
;; comint-previous-matching-input ...matching a string.
;; comint-previous-matching-input-from-input ... matching the current input.
;; comint-next-input Next input...
;; comint-next-matching-input ...matching a string.
;; comint-next-matching-input-from-input ... matching the current input.
;; comint-backward-matching-input Backwards input...
;; comint-forward-matching-input ...matching a string.
;; comint-replace-by-expanded-history Expand history at point;
;; replace with expanded history.
;; comint-magic-space Expand history and insert space.
;;
;; Three functions:
;; comint-read-input-ring Read into comint-input-ring...
;; comint-write-input-ring Write to comint-input-ring-file-name.
;; comint-replace-by-expanded-history-before-point Workhorse function.
(defun comint-read-input-ring (&optional silent)
"Set the buffer's `comint-input-ring' from a history file.
The name of the file is given by the variable `comint-input-ring-file-name'.
The history ring is of size `comint-input-ring-size', regardless of file size.
If `comint-input-ring-file-name' is nil this function does nothing.
If the optional argument SILENT is non-nil, we say nothing about a
failure to read the history file.
This function is useful for major mode commands and mode hooks.
The commands stored in the history file are separated by the
`comint-input-ring-separator', and entries that match
`comint-input-history-ignore' are ignored. The most recent command
comes last.
See also `comint-input-ignoredups' and `comint-write-input-ring'."
(cond ((or (null comint-input-ring-file-name)
(equal comint-input-ring-file-name ""))
nil)
((not (file-readable-p comint-input-ring-file-name))
(or silent
(message "Cannot read history file %s"
comint-input-ring-file-name)))
(t
(let* ((history-buf (get-buffer-create " *temp*"))
(file comint-input-ring-file-name)
(count 0)
(size comint-input-ring-size)
(ring (make-ring size)))
(unwind-protect
(save-excursion
(set-buffer history-buf)
(widen)
(erase-buffer)
(insert-file-contents file)
;; Save restriction in case file is already visited...
;; Watch for those date stamps in history files!
(goto-char (point-max))
(let (start end history)
(while (and (< count comint-input-ring-size)
(re-search-backward comint-input-ring-separator nil t)
(setq end (match-beginning 0)))
(if (re-search-backward comint-input-ring-separator nil t)
(setq start (match-end 0))
(setq start (point-min)))
(setq history (buffer-substring start end))
(goto-char start)
(if (and (not (string-match comint-input-history-ignore history))
(or (null comint-input-ignoredups)
(ring-empty-p ring)
(not (string-equal (ring-ref ring 0) history))))
(progn
(ring-insert-at-beginning ring history)
(setq count (1+ count)))))))
(kill-buffer history-buf))
(setq comint-input-ring ring
comint-input-ring-index nil)))))
(defun comint-write-input-ring ()
"Writes the buffer's `comint-input-ring' to a history file.
The name of the file is given by the variable `comint-input-ring-file-name'.
The original contents of the file are lost if `comint-input-ring' is not empty.
If `comint-input-ring-file-name' is nil this function does nothing.
Useful within process sentinels.
See also `comint-read-input-ring'."
(cond ((or (null comint-input-ring-file-name)
(equal comint-input-ring-file-name "")
(null comint-input-ring) (ring-empty-p comint-input-ring))
nil)
((not (file-writable-p comint-input-ring-file-name))
(message "Cannot write history file %s" comint-input-ring-file-name))
(t
(let* ((history-buf (get-buffer-create " *Temp Input History*"))
(ring comint-input-ring)
(file comint-input-ring-file-name)
(index (ring-length ring)))
;; Write it all out into a buffer first. Much faster, but messier,
;; than writing it one line at a time.
(save-excursion
(set-buffer history-buf)
(erase-buffer)
(while (> index 0)
(setq index (1- index))
(insert (ring-ref ring index) comint-input-ring-separator))
(write-region (buffer-string) nil file nil 'no-message)
(kill-buffer nil))))))
(defvar comint-dynamic-list-input-ring-window-conf nil
"Saved window configuration for Comint.")
;; XEmacs addition
(defun comint-restore-window-config (conf &optional message)
;; Don't obscure buffer being edited
(or (eq (selected-window) (minibuffer-window))
(message "%s" (or message "Press space to flush")))
(sit-for 0)
(setq comint-dynamic-list-input-ring-window-conf conf)
(if (let ((ch (next-command-event)))
(if (eq (event-to-character ch) ?\ )
t
(progn (setq unread-command-event ch)
nil)))
(set-window-configuration conf)))
(defun comint-dynamic-list-input-ring-select ()
"Choose the input history entry that point is in or next to."
(interactive)
(let (beg end completion (buffer completion-reference-buffer)
(base-size completion-base-size))
(if (and (not (eobp)) (get-text-property (point) 'mouse-face))
(setq end (point) beg (1+ (point))))
(if (and (not (bobp)) (get-text-property (1- (point)) 'mouse-face))
(setq end (1- (point)) beg (point)))
(if (null beg)
(error "No history entry here"))
(setq beg (previous-single-property-change beg 'mouse-face))
(setq end (or (next-single-property-change end 'mouse-face) (point-max)))
(setq completion (buffer-substring beg end))
(set-window-configuration comint-dynamic-list-input-ring-window-conf)
(choose-completion-string completion buffer base-size)))
(defun comint-dynamic-list-input-ring ()
"List in help buffer the buffer's input history."
(interactive)
(if (or (not (ring-p comint-input-ring))
(ring-empty-p comint-input-ring))
(message "No history")
(let ((history nil)
(history-buffer " *Input History*")
(index (1- (ring-length comint-input-ring)))
(conf (current-window-configuration)))
;; We have to build up a list ourselves from the ring vector.
(while (>= index 0)
(setq history (cons (ring-ref comint-input-ring index) history)
index (1- index)))
;; Change "completion" to "history reference"
;; to make the display accurate.
(with-output-to-temp-buffer history-buffer
(display-completion-list history)
(set-buffer history-buffer)
(let ((keymap (make-sparse-keymap)))
(set-keymap-parents keymap (list (current-local-map)))
(define-key keymap "\C-m" 'comint-dynamic-list-input-ring-select)
(use-local-map keymap))
(forward-line 3)
(let ((buffer-read-only nil))
(while (search-backward "completion" nil 'move)
(replace-match "history reference"))))
(comint-restore-window-config conf))))
(defun comint-regexp-arg (prompt)
"Return list of regexp and prefix arg using PROMPT."
(let* (;; Don't clobber this.
(last-command last-command)
(regexp (read-from-minibuffer prompt nil nil nil
'minibuffer-history-search-history)))
(list (if (string-equal regexp "")
(setcar minibuffer-history-search-history
(nth 1 minibuffer-history-search-history))
regexp)
(prefix-numeric-value current-prefix-arg))))
(defun comint-search-arg (arg)
;; First make sure there is a ring and that we are after the process mark
(cond ((not (comint-after-pmark-p))
(error "Not at command line"))
((or (null comint-input-ring)
(ring-empty-p comint-input-ring))
(error "Empty input ring"))
((zerop arg)
;; arg of zero resets search from beginning, and uses arg of 1
(setq comint-input-ring-index nil)
1)
(t
arg)))
(defun comint-restore-input ()
"Restore unfinished input."
(interactive)
(when comint-input-ring-index
(comint-delete-input)
(when (> (length comint-stored-incomplete-input) 0)
(insert comint-stored-incomplete-input)
(message "Input restored"))
(setq comint-input-ring-index nil)))
(defun comint-search-start (arg)
"Index to start a directional search, starting at `comint-input-ring-index'."
(if comint-input-ring-index
;; If a search is running, offset by 1 in direction of arg
(mod (+ comint-input-ring-index (if (> arg 0) 1 -1))
(ring-length comint-input-ring))
;; For a new search, start from beginning or end, as appropriate
(if (>= arg 0)
0 ; First elt for forward search
(1- (ring-length comint-input-ring))))) ; Last elt for backward search
(defun comint-previous-input-string (arg)
"Return the string ARG places along the input ring.
Moves relative to `comint-input-ring-index'."
(ring-ref comint-input-ring (if comint-input-ring-index
(mod (+ arg comint-input-ring-index)
(ring-length comint-input-ring))
arg)))
(defun comint-previous-input (arg)
"Cycle backwards through input history, saving input."
(interactive "*p")
(if (and comint-input-ring-index
(or ;; leaving the "end" of the ring
(and (< arg 0) ; going down
(eq comint-input-ring-index 0))
(and (> arg 0) ; going up
(eq comint-input-ring-index
(1- (ring-length comint-input-ring)))))
comint-stored-incomplete-input)
(comint-restore-input)
(comint-previous-matching-input "." arg)))
(defun comint-next-input (arg)
"Cycle forwards through input history."
(interactive "*p")
(comint-previous-input (- arg)))
(defun comint-previous-matching-input-string (regexp arg)
"Return the string matching REGEXP ARG places along the input ring.
Moves relative to `comint-input-ring-index'."
(let* ((pos (comint-previous-matching-input-string-position regexp arg)))
(if pos (ring-ref comint-input-ring pos))))
(defun comint-previous-matching-input-string-position (regexp arg &optional start)
"Return the index matching REGEXP ARG places along the input ring.
Moves relative to START, or `comint-input-ring-index'."
(if (or (not (ring-p comint-input-ring))
(ring-empty-p comint-input-ring))
(error "No history"))
(let* ((len (ring-length comint-input-ring))
(motion (if (> arg 0) 1 -1))
(n (mod (- (or start (comint-search-start arg)) motion) len))
(tried-each-ring-item nil)
(prev nil))
;; Do the whole search as many times as the argument says.
(while (and (/= arg 0) (not tried-each-ring-item))
;; Step once.
(setq prev n
n (mod (+ n motion) len))
;; If we haven't reached a match, step some more.
(while (and (< n len) (not tried-each-ring-item)
(not (string-match regexp (ring-ref comint-input-ring n))))
(setq n (mod (+ n motion) len)
;; If we have gone all the way around in this search.
tried-each-ring-item (= n prev)))
(setq arg (if (> arg 0) (1- arg) (1+ arg))))
;; Now that we know which ring element to use, if we found it, return
