(provide (quote shell))

(defvar last-input-start nil "\
In a shell-mode buffer, marker for start of last unit of input.")

(defvar last-input-end nil "\
In a shell-mode buffer, marker for end of last unit of input.")

(defvar shell-mode-map nil)

(defvar shell-directory-stack nil "\
List of directories saved by pushd in this buffer's shell.")

(defvar shell-popd-regexp "popd" "\
*Regexp to match subshell commands equivalent to popd.")

(defvar shell-pushd-regexp "pushd" "\
*Regexp to match subshell commands equivalent to pushd.")

(defvar shell-cd-regexp "cd" "\
*Regexp to match subshell commands equivalent to cd.")

(defvar explicit-shell-file-name nil "\
*If non-nil, is file name to use for explicitly requested inferior shell.")

(defun shell-mode nil "\
Major mode for interacting with an inferior shell.
Shell 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.

The following commands imitate the usual Unix interrupt and
editing control characters:

Entry to this mode calls the value of shell-mode-hook with no args,
if that value is non-nil.

cd, pushd and popd commands given to the shell are watched
by Emacs to keep this buffer's default directory
the same as the shell's working directory.
Variables shell-cd-regexp, shell-pushd-regexp and shell-popd-regexp
are used to match these command names.

You can send text to the shell (or its subjobs) from other buffers
using the commands process-send-region, process-send-string
and lisp-send-defun." (interactive) (byte-code "ň ɉʉˉ!!ʼn! ! !" [major-mode mode-name mode-line-process shell-mode-map shell-directory-stack nil last-input-start last-input-end kill-all-local-variables shell-mode "Shell" (": %s") use-local-map make-local-variable make-marker run-hooks shell-mode-hook] 9))

(if shell-mode-map nil (setq shell-mode-map (make-sparse-keymap)) (define-key shell-mode-map "
" (quote shell-send-input)) (define-key shell-mode-map "" (quote shell-send-eof)) (define-key shell-mode-map "" (quote kill-shell-input)) (define-key shell-mode-map "" (quote backward-kill-word)) (define-key shell-mode-map "" (quote interrupt-shell-subjob)) (define-key shell-mode-map "" (quote stop-shell-subjob)) (define-key shell-mode-map "" (quote quit-shell-subjob)) (define-key shell-mode-map "" (quote kill-output-from-shell)) (define-key shell-mode-map "" (quote show-output-from-shell)) (define-key shell-mode-map "" (quote copy-last-shell-input)))

(defvar explicit-csh-args (if (eq system-type (quote hpux)) (quote ("-i" "-T")) (quote ("-i"))) "\
Args passed to inferior shell by M-x shell, if the shell is csh.
Value is a list of strings, which may be nil.")

(defun shell nil "\
Run an inferior shell, with I/O through buffer *shell*.
If buffer exists but shell process is not running, make new shell.
Program used comes from variable explicit-shell-file-name,
 or (if that is nil) from the ESHELL environment variable,
 or else from SHELL if there is no ESHELL.
If a file ~/.emacs_SHELLNAME exists, it is given as initial input
 (Note that this may lose due to a timing error if the shell
  discards input when it starts up.)
The buffer is put in shell-mode, giving commands for sending input
and controlling the subjobs of the shell.  See shell-mode.
See also variable shell-prompt-pattern.

The shell file name (sans directories) is used to make a symbol name
such as `explicit-csh-arguments'.  If that symbol is a variable,
its value is used as a list of arguments when invoking the shell.
Otherwise, one argument `-i' is passed to the shell.

Note that many people's .cshrc files unconditionally clear the prompt.
If yours does, you will probably want to change it." (interactive) (byte-code "Ĉ	!!!
Q!6!>J?)%!*" [prog explicit-shell-file-name name symbol nil getenv "ESHELL" "SHELL" "/bin/sh" file-name-nondirectory switch-to-buffer apply make-shell "shell" file-exists-p "~/.emacs_" intern-soft "explicit-" "-args" boundp ("-i")] 14))

(defun make-shell (name program &optional startfile &rest switches) (byte-code "	Q!!

!	P \"ZZ!Z!Z	&


!`\" )," [buffer name proc status size nil exec-directory program explicit-shell-file-name switches startfile get-buffer-create "*" get-buffer-process process-status (run stop) delete-process apply start-process "env" format "TERMCAP=emacs:co#%d:tc=unknown:" screen-width "TERM=emacs" "EMACS=t" "-" getenv "ESHELL" "SHELL" "/bin/sh" sleep-for 1 insert-file-contents buffer-substring delete-region process-send-string process-name set-marker process-mark shell-mode] 19))

(defvar shell-set-directory-error-hook (quote ignore) "\
Function called with no arguments when shell-send-input
recognizes a change-directory command but gets an error
trying to change Emacs's default directory.")

(defun shell-send-input nil "\
Send input to subshell.
At end of buffer, sends all text after last output
 as input to the subshell, including a newline inserted at the end.
When not at end, copies current line to the end of the buffer and sends it,
after first attempting to discard any prompt at the beginning of the line
by matching the regexp that is the value of shell-prompt-pattern if possible.
This regexp should start with \"^\"." (interactive) (byte-code "ƈp!! m&p!!\"c	`\"M 
 `)#`!`\"db`\"c	`\")ԏp!
!`\")" [last-input-start last-input-end shell-prompt-pattern t copy process nil get-buffer-process error "Current buffer has no process" end-of-line move-marker process-mark 10 beginning-of-line re-search-forward buffer-substring forward-line 1 (byte-code "b )" [last-input-start shell-set-directory] 2) ((error (byte-code "!" [shell-set-directory-error-hook funcall] 2))) process-send-region set-marker] 20))

(defun shell-set-directory nil (byte-code "!!f>		@!	A
!v!f>C	@	@!	AB)s!f>s!!`!`\"!!!r	B
!)" [shell-popd-regexp shell-directory-stack shell-pushd-regexp old default-directory dir shell-cd-regexp looking-at match-end 0 (59 10) cd (59 10) (32 9) nil skip-chars-forward "^ " " 	" file-directory-p expand-file-name substitute-in-file-name buffer-substring "^
 	;" (59 10) getenv "HOME" (32 9) forward-char 3] 29))

(defun shell-send-eof nil "\
Send eof to subshell (or to the program running under it)." (interactive) (byte-code " " [nil process-send-eof] 2))

(defun kill-output-from-shell nil "\
Kill all output from shell since last input." (interactive) (byte-code "db `\"cdb" [last-input-end nil beginning-of-line kill-region "*** output flushed ***
"] 4))

(defun show-output-from-shell nil "\
Display start of this batch of shell output at top of window.
Also put cursor there." (interactive) (byte-code " \"b" [last-input-end nil set-window-start selected-window] 4))

(defun copy-last-shell-input nil "\
Copy previous shell input, sans newline, and insert before point." (interactive) (byte-code "ˆ	\"c!" [last-input-end last-input-start nil buffer-substring delete-char -1] 3))

(defun interrupt-shell-subjob nil "\
Interrupt this shell's current subjob." (interactive) (byte-code "\"" [nil t interrupt-process] 3))

(defun kill-shell-subjob nil "\
Send kill signal to this shell's current subjob." (interactive) (byte-code "\"" [nil t kill-process] 3))

(defun quit-shell-subjob nil "\
Send quit signal to this shell's current subjob." (interactive) (byte-code "\"" [nil t quit-process] 3))

(defun stop-shell-subjob nil "\
Stop this shell's current subjob." (interactive) (byte-code "\"" [nil t stop-process] 3))

(defun kill-shell-input nil "\
Kill all text since last stuff output by the shell or its subjobs." (interactive) (byte-code "p!!`\"" [nil kill-region process-mark get-buffer-process] 5))

(defvar inferior-lisp-mode-map nil)

(if inferior-lisp-mode-map nil (setq inferior-lisp-mode-map (copy-alist shell-mode-map)) (lisp-mode-commands inferior-lisp-mode-map) (define-key inferior-lisp-mode-map "" (quote lisp-send-defun)))

(defvar inferior-lisp-program "lisp" "\
*Program name for invoking an inferior Lisp with `run-lisp'.")

(defvar inferior-lisp-load-command "(load \"%s\")
" "*Format-string for building a Lisp expression to load a file.
This format string should use %s to substitute a file name
and should result in a Lisp expression that will command the inferior Lisp
to load that file.  The default works acceptably on most Lisps.
The string \"(progn (load \\\"%s\\\" :verbose nil :print t) (values))\\
produces cosmetically superior output for this application,
but it works only in Common Lisp.")

(defvar inferior-lisp-prompt "^.*>:? *$" "\
*Regexp to recognize prompts from the inferior Lisp.
Default is right for Franz Lisp and kcl.")

(defun inferior-lisp-mode nil "\
Major mode for interacting with an inferior Lisp process.
Runs a Lisp interpreter as a subprocess of Emacs, with Lisp I/O
through an Emacs buffer.  Variable inferior-lisp-program controls
which Lisp interpreter is run.  Variables inferior-lisp-prompt
and inferior-lisp-load-command can customize this mode for different
Lisp interpreters.

DELETE converts tabs to spaces as it moves back.
TAB indents for Lisp; with argument, shifts rest
 of expression rigidly with the current line.
Meta-Control-Q does TAB on each line starting within following expression.
Paragraphs are separated only by blank lines.  Semicolons start comments.

Return at end of buffer sends line as input.
Return not at end copies rest of line to end and sends it.

The following commands imitate the usual Unix interrupt and
editing control characters:

Entry to this mode calls the value of lisp-mode-hook with no arguments,
if that value is non-nil.  Likewise with the value of shell-mode-hook.
lisp-mode-hook is called after shell-mode-hook.

You can send text to the inferior Lisp from other buffers
using the commands process-send-region, process-send-string
and \\[lisp-send-defun]." (interactive) (byte-code "Lj ɉʉˉ!!! ! \"" [major-mode mode-name mode-line-process t inferior-lisp-mode-map last-input-start last-input-end nil kill-all-local-variables inferior-lisp-mode "Inferior Lisp" (": %s") lisp-mode-variables use-local-map make-local-variable make-marker run-hooks shell-mode-hook lisp-mode-hook] 10))

(defun run-lisp nil "\
Run an inferior Lisp process, input and output via buffer *lisp*." (interactive) (byte-code "\"! " [inferior-lisp-program nil switch-to-buffer make-shell "lisp" inferior-lisp-mode] 4))

(defun lisp-send-defun (display-flag) "\
Send the current defun to the Lisp process made by M-x run-lisp.
With argument, force redisplay and scrolling of the *lisp* buffer.
Variable `inferior-lisp-load-command' controls formatting of
the `load' form that is set to the Lisp process." (interactive "P") (byte-code "ˆ!! `!!\" `	%	\"\"*!
!db dUo	!?wˆZdZ!`\")\"-)" [end filename nil inferior-lisp-load-command display-flag process buffer w height inferior-lisp-prompt get-process "lisp" error "No current lisp process" end-of-defun format "/tmp/emlisp%d" process-id beginning-of-defun write-region nomessage process-send-string process-buffer get-buffer-window display-buffer window-height accept-process-output beginning-of-line looking-at vertical-motion 4 set-window-start set-window-point] 23))

(defun lisp-send-defun-and-go nil "\
Send the current defun to the inferior Lisp, and switch to *lisp* buffer." (interactive) (byte-code "!!" [nil lisp-send-defun switch-to-buffer "*lisp*"] 3))