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diff --git a/ghc/CONTRIB/haskell-modes/yale/original/comint.el b/ghc/CONTRIB/haskell-modes/yale/original/comint.el deleted file mode 100644 index e690005aa8..0000000000 --- a/ghc/CONTRIB/haskell-modes/yale/original/comint.el +++ /dev/null @@ -1,1524 +0,0 @@ -;;; -*-Emacs-Lisp-*- General command interpreter in a window stuff -;;; Copyright Olin Shivers (1988). -;;; Please imagine a long, tedious, legalistic 5-page gnu-style copyright -;;; notice appearing here to the effect that you may use this code any -;;; way you like, as long as you don't charge money for it, remove this -;;; notice, or hold me liable for its results. - -;;; The changelog is at the end of this file. - -;;; Please send me bug reports, bug fixes, and extensions, so that I can -;;; merge them into the master source. -;;; - Olin Shivers (shivers@cs.cmu.edu) - -;;; This hopefully generalises shell mode, lisp mode, tea mode, soar mode,... -;;; 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: -;;; - cmushell.el defines a shell-in-a-buffer mode. -;;; - cmulisp.el defines a simple lisp-in-a-buffer mode. -;;; Cmushell and cmulisp mode are similar to, and intended to replace, -;;; their counterparts in the standard gnu emacs release (in shell.el). -;;; These replacements are more featureful, robust, and uniform than the -;;; released versions. The key bindings in lisp mode are also more compatible -;;; with the bindings of Hemlock and Zwei (the Lisp Machine emacs). -;;; -;;; - 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. - -(provide 'comint) -(defconst comint-version "2.01") - - - - - - - - - - - - - - - - - - - - - -;;; Brief Command Documentation: -;;;============================================================================ -;;; Comint Mode Commands: (common to all derived modes, like cmushell & cmulisp -;;; mode) -;;; -;;; m-p comint-previous-input Cycle backwards in input history -;;; m-n comint-next-input Cycle forwards -;;; m-s comint-previous-similar-input Previous similar input -;;; c-c r comint-previous-input-matching Search backwards in input history -;;; return comint-send-input -;;; c-a comint-bol Beginning of line; skip prompt. -;;; c-d comint-delchar-or-maybe-eof Delete char unless at end of buff. -;;; 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-kill-output Delete last batch of process output -;;; c-c c-r comint-show-output Show last batch of process output -;;; -;;; Not bound by default in comint-mode -;;; send-invisible Read a line w/o echo, and send to proc -;;; (These are bound in shell-mode) -;;; comint-dynamic-complete Complete filename at point. -;;; comint-dynamic-list-completions List completions in help buffer. -;;; comint-replace-by-expanded-filename Expand and complete filename at point; -;;; replace with expanded/completed name. -;;; comint-kill-subjob No mercy. -;;; comint-continue-subjob Send CONT signal to buffer's process -;;; group. Useful if you accidentally -;;; suspend your process (with C-c C-z). -;;; -;;; Bound for RMS -- I prefer the input history stuff, but you might like 'em. -;;; m-P comint-msearch-input Search backwards for prompt -;;; m-N comint-psearch-input Search forwards for prompt -;;; C-cR comint-msearch-input-matching Search backwards for prompt & string - -;;; comint-mode-hook is the comint mode hook. Basically for your keybindings. -;;; comint-load-hook is run after loading in this package. - - - - - -;;; Buffer Local Variables: -;;;============================================================================ -;;; Comint mode buffer local variables: -;;; comint-prompt-regexp - string comint-bol uses to match prompt. -;;; comint-last-input-end - marker For comint-kill-output command -;;; input-ring-size - integer For the input history -;;; input-ring - ring mechanism -;;; input-ring-index - marker ... -;;; comint-last-input-match - string ... -;;; comint-get-old-input - function Hooks for specific -;;; comint-input-sentinel - function process-in-a-buffer -;;; comint-input-filter - function modes. -;;; comint-input-send - function -;;; comint-eol-on-send - boolean - -(defvar comint-prompt-regexp "^" - "Regexp to recognise prompts in the inferior process. -Defaults to \"^\", the null string at BOL. - -Good choices: - Canonical Lisp: \"^[^> ]*>+:? *\" (Lucid, franz, kcl, T, cscheme, oaklisp) - Lucid Common Lisp: \"^\\(>\\|\\(->\\)+\\) *\" - franz: \"^\\(->\\|<[0-9]*>:\\) *\" - kcl: \"^>+ *\" - shell: \"^[^#$%>]*[#$%>] *\" - T: \"^>+ *\" - -This is a good thing to set in mode hooks.") - -(defvar input-ring-size 30 - "Size of input history ring.") - -;;; Here are the per-interpreter hooks. -(defvar comint-get-old-input (function comint-get-old-input-default) - "Function that submits 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 grabs the current line, and strips off -leading text matching comint-prompt-regexp") - -(defvar comint-input-sentinel (function ignore) - "Called on each input submitted to comint mode process by comint-send-input. -Thus it can, for instance, track cd/pushd/popd commands issued to the csh.") - -(defvar comint-input-filter - (function (lambda (str) (not (string-match "\\`\\s *\\'" str)))) - "Predicate for filtering additions to input history. -Only inputs answering true to this function are saved on the input -history list. Default is to save anything that isn't all whitespace") - -(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, this is your hook. This is called from -the user command comint-send-input. comint-simple-send just sends -the string plus a newline.") - -(defvar comint-eol-on-send 'T - "If non-nil, then jump to the end of the line before sending input to process. -See COMINT-SEND-INPUT") - -(defvar comint-mode-hook '() - "Called upon entry into comint-mode") - -(defvar comint-mode-map nil) - -(defun comint-mode () - "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 mode variable comint-eol-on-send means jump to the end of the line -before submitting new input. - -This mode is typically customised to create inferior-lisp-mode, -shell-mode, etc.. This can be done by setting the hooks -comint-input-sentinel, 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 input-ring-size, and -can be accessed with the commands comint-next-input [\\[comint-next-input]] and -comint-previous-input [\\[comint-previous-input]]. Commands not keybound by -default are send-invisible, comint-dynamic-complete, and -comint-list-dynamic-completions. - -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" - (interactive) - (let ((old-ring (and (assq 'input-ring (buffer-local-variables)) - (boundp 'input-ring) - input-ring)) - (old-ptyp comint-ptyp)) ; preserve across local var kill. gross. - (kill-all-local-variables) - (setq major-mode 'comint-mode) - (setq mode-name "Comint") - (setq mode-line-process '(": %s")) - (use-local-map comint-mode-map) - (make-local-variable 'comint-last-input-end) - (setq comint-last-input-end (make-marker)) - (make-local-variable 'comint-last-input-match) - (setq comint-last-input-match "") - (make-local-variable 'comint-prompt-regexp) ; Don't set; default - (make-local-variable 'input-ring-size) ; ...to global val. - (make-local-variable 'input-ring) - (make-local-variable 'input-ring-index) - (setq input-ring-index 0) - (make-local-variable 'comint-get-old-input) - (make-local-variable 'comint-input-sentinel) - (make-local-variable 'comint-input-filter) - (make-local-variable 'comint-input-sender) - (make-local-variable 'comint-eol-on-send) - (make-local-variable 'comint-ptyp) - (setq comint-ptyp old-ptyp) - (run-hooks 'comint-mode-hook) - ;Do this after the hook so the user can mung INPUT-RING-SIZE w/his hook. - ;The test is so we don't lose history if we run comint-mode twice in - ;a buffer. - (setq input-ring (if (ring-p old-ring) old-ring - (make-ring input-ring-size))))) - -;;; The old-ptyp stuff above is because we have to preserve the value of -;;; comint-ptyp across calls to comint-mode, in spite of the -;;; kill-all-local-variables that it does. Blech. Hopefully, this will all -;;; go away when a later release fixes the signalling bug. - -(if comint-mode-map - nil - (setq comint-mode-map (make-sparse-keymap)) - (define-key comint-mode-map "\ep" 'comint-previous-input) - (define-key comint-mode-map "\en" 'comint-next-input) - (define-key comint-mode-map "\es" 'comint-previous-similar-input) - (define-key comint-mode-map "\C-m" 'comint-send-input) - (define-key comint-mode-map "\C-d" 'comint-delchar-or-maybe-eof) - (define-key comint-mode-map "\C-a" 'comint-bol) - (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-o" 'comint-kill-output) - (define-key comint-mode-map "\C-cr" 'comint-previous-input-matching) - (define-key comint-mode-map "\C-c\C-r" 'comint-show-output) - ;;; Here's the prompt-search stuff I installed for RMS to try... - (define-key comint-mode-map "\eP" 'comint-msearch-input) - (define-key comint-mode-map "\eN" 'comint-psearch-input) - (define-key comint-mode-map "\C-cR" 'comint-msearch-input-matching)) - - -;;; This function is used to make a full copy of the comint mode map, -;;; so that client modes won't interfere with each other. This function -;;; isn't necessary in emacs 18.5x, but we keep it around for 18.4x versions. -(defun full-copy-sparse-keymap (km) - "Recursively copy the sparse keymap KM" - (cond ((consp km) - (cons (full-copy-sparse-keymap (car km)) - (full-copy-sparse-keymap (cdr km)))) - (t km))) - -(defun comint-check-proc (buffer-name) - "True if there is a process associated w/buffer BUFFER-NAME, and -it is alive (status RUN or STOP)." - (let ((proc (get-buffer-process buffer-name))) - (and proc (memq (process-status proc) '(run stop))))) - -;;; Note that this guy, unlike shell.el's make-shell, barfs if you pass it () -;;; for the second argument (program). -(defun make-comint (name program &optional startfile &rest switches) - (let* ((buffer (get-buffer-create (concat "*" name "*"))) - (proc (get-buffer-process buffer))) - ;; If no process, or nuked process, crank up a new one and put buffer in - ;; comint mode. Otherwise, leave buffer and existing process alone. - (cond ((or (not proc) (not (memq (process-status proc) '(run stop)))) - (save-excursion - (set-buffer buffer) - (comint-mode)) ; Install local vars, mode, keymap, ... - (comint-exec buffer name program startfile switches))) - buffer)) - -(defvar comint-ptyp t - "True if communications via pty; false if by pipe. Buffer local. -This is to work around a bug in emacs process signalling.") - -(defun comint-exec (buffer name command startfile switches) - "Fires up a process in buffer for comint modes. -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." - (save-excursion - (set-buffer buffer) - (let ((proc (get-buffer-process buffer))) ; Blast any old process. - (if proc (delete-process proc))) - ;; Crank up a new process - (let ((proc (comint-exec-1 name buffer command switches))) - (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))) - buffer)) - -;;; This auxiliary function cranks up the process for comint-exec in -;;; the appropriate environment. It is twice as long as it should be -;;; because emacs has two distinct mechanisms for manipulating the -;;; process environment, selected at compile time with the -;;; MAINTAIN-ENVIRONMENT #define. In one case, process-environment -;;; is bound; in the other it isn't. - -(defun comint-exec-1 (name buffer command switches) - (if (boundp 'process-environment) ; Not a completely reliable test. - (let ((process-environment - (comint-update-env process-environment - (list (format "TERMCAP=emacs:co#%d:tc=unknown" - (screen-width)) - "TERM=emacs" - "EMACS=t")))) - (apply 'start-process name buffer command switches)) - - (let ((tcapv (getenv "TERMCAP")) - (termv (getenv "TERM")) - (emv (getenv "EMACS"))) - (unwind-protect - (progn (setenv "TERMCAP" (format "emacs:co#%d:tc=unknown" - (screen-width))) - (setenv "TERM" "emacs") - (setenv "EMACS" "t") - (apply 'start-process name buffer command switches)) - (setenv "TERMCAP" tcapv) - (setenv "TERM" termv) - (setenv "EMACS" emv))))) - - - -;; This is just (append new old-env) that compresses out shadowed entries. -;; It's also pretty ugly, mostly due to elisp's horrible iteration structures. -(defun comint-update-env (old-env new) - (let ((ans (reverse new)) - (vars (mapcar (function (lambda (vv) - (and (string-match "^[^=]*=" vv) - (substring vv 0 (match-end 0))))) - new))) - (while old-env - (let* ((vv (car old-env)) ; vv is var=value - (var (and (string-match "^[^=]*=" vv) - (substring vv 0 (match-end 0))))) - (setq old-env (cdr old-env)) - (cond ((not (and var (comint-mem var vars))) - (if var (setq var (cons var vars))) - (setq ans (cons vv ans)))))) - (nreverse ans))) - -;;; This should be in emacs, but it isn't. -(defun comint-mem (item list &optional elt=) - "Test to see if ITEM is equal to an item in LIST. -Option comparison function ELT= defaults to equal." - (let ((elt= (or elt= (function equal))) - (done nil)) - (while (and list (not done)) - (if (funcall elt= item (car list)) - (setq done list) - (setq list (cdr list)))) - done)) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;;; Ring Code -;;;============================================================================ -;;; This code defines a ring data structure. A ring is a -;;; (hd-index tl-index . vector) -;;; list. You can insert to, remove from, and rotate a ring. When the ring -;;; fills up, insertions cause the oldest elts to be quietly dropped. -;;; -;;; HEAD = index of the newest item on the ring. -;;; TAIL = index of the oldest item on the ring. -;;; -;;; These functions are used by the input history mechanism, but they can -;;; be used for other purposes as well. - -(defun ring-p (x) - "T if X is a ring; NIL otherwise." - (and (consp x) (integerp (car x)) - (consp (cdr x)) (integerp (car (cdr x))) - (vectorp (cdr (cdr x))))) - -(defun make-ring (size) - "Make a ring that can contain SIZE elts" - (cons 1 (cons 0 (make-vector (+ size 1) nil)))) - -(defun ring-plus1 (index veclen) - "INDEX+1, with wraparound" - (let ((new-index (+ index 1))) - (if (= new-index veclen) 0 new-index))) - -(defun ring-minus1 (index veclen) - "INDEX-1, with wraparound" - (- (if (= 0 index) veclen index) 1)) - -(defun ring-length (ring) - "Number of elts in the ring." - (let ((hd (car ring)) (tl (car (cdr ring))) (siz (length (cdr (cdr ring))))) - (let ((len (if (<= hd tl) (+ 1 (- tl hd)) (+ 1 tl (- siz hd))))) - (if (= len siz) 0 len)))) - -(defun ring-empty-p (ring) - (= 0 (ring-length ring))) - -(defun ring-insert (ring item) - "Insert a new item onto the ring. If the ring is full, dump the oldest -item to make room." - (let* ((vec (cdr (cdr ring))) (len (length vec)) - (new-hd (ring-minus1 (car ring) len))) - (setcar ring new-hd) - (aset vec new-hd item) - (if (ring-empty-p ring) ;overflow -- dump one off the tail. - (setcar (cdr ring) (ring-minus1 (car (cdr ring)) len))))) - -(defun ring-remove (ring) - "Remove the oldest item retained on the ring." - (if (ring-empty-p ring) (error "Ring empty") - (let ((tl (car (cdr ring))) (vec (cdr (cdr ring)))) - (set-car (cdr ring) (ring-minus1 tl (length vec))) - (aref vec tl)))) - -;;; This isn't actually used in this package. I just threw it in in case -;;; someone else wanted it. If you want rotating-ring behavior on your history -;;; retrieval (analagous to kill ring behavior), this function is what you -;;; need. I should write the yank-input and yank-pop-input-or-kill to go with -;;; this, and not bind it to a key by default, so it would be available to -;;; people who want to bind it to a key. But who would want it? Blech. -(defun ring-rotate (ring n) - (if (not (= n 0)) - (if (ring-empty-p ring) ;Is this the right error check? - (error "ring empty") - (let ((hd (car ring)) (tl (car (cdr ring))) (vec (cdr (cdr ring)))) - (let ((len (length vec))) - (while (> n 0) - (setq tl (ring-plus1 tl len)) - (aset ring tl (aref ring hd)) - (setq hd (ring-plus1 hd len)) - (setq n (- n 1))) - (while (< n 0) - (setq hd (ring-minus1 hd len)) - (aset vec hd (aref vec tl)) - (setq tl (ring-minus1 tl len)) - (setq n (- n 1)))) - (set-car ring hd) - (set-car (cdr ring) tl))))) - -(defun comint-mod (n m) - "Returns N mod M. M is positive. Answer is guaranteed to be non-negative, -and less than m." - (let ((n (% n m))) - (if (>= n 0) n - (+ n - (if (>= m 0) m (- m)))))) ; (abs m) - -(defun ring-ref (ring index) - (let ((numelts (ring-length ring))) - (if (= numelts 0) (error "indexed empty ring") - (let* ((hd (car ring)) (tl (car (cdr ring))) (vec (cdr (cdr ring))) - (index (comint-mod index numelts)) - (vec-index (comint-mod (+ index hd) - (length vec)))) - (aref vec vec-index))))) - - -;;; Input history retrieval commands -;;; M-p -- previous input M-n -- next input -;;; C-c r -- previous input matching -;;; =========================================================================== - -(defun comint-previous-input (arg) - "Cycle backwards through input history." - (interactive "*p") - (let ((len (ring-length input-ring))) - (cond ((<= len 0) - (message "Empty input ring") - (ding)) - ((not (comint-after-pmark-p)) - (message "Not after process mark") - (ding)) - (t - (cond ((eq last-command 'comint-previous-input) - (delete-region (mark) (point))) - ((eq last-command 'comint-previous-similar-input) - (delete-region - (process-mark (get-buffer-process (current-buffer))) - (point))) - (t - (setq input-ring-index - (if (> arg 0) -1 - (if (< arg 0) 1 0))) - (push-mark (point)))) - (setq input-ring-index (comint-mod (+ input-ring-index arg) len)) - (message "%d" (1+ input-ring-index)) - (insert (ring-ref input-ring input-ring-index)) - (setq this-command 'comint-previous-input))))) - -(defun comint-next-input (arg) - "Cycle forwards through input history." - (interactive "*p") - (comint-previous-input (- arg))) - -(defvar comint-last-input-match "" - "Last string searched for by comint input history search, for defaulting. -Buffer local variable.") - -(defun comint-previous-input-matching (str) - "Searches backwards through input history for substring match." - (interactive (let* ((last-command last-command) ; preserve around r-f-m - (s (read-from-minibuffer - (format "Command substring (default %s): " - comint-last-input-match)))) - (list (if (string= s "") comint-last-input-match s)))) -; (interactive "sCommand substring: ") - (setq comint-last-input-match str) ; update default - (if (not (eq last-command 'comint-previous-input)) - (setq input-ring-index -1)) - (let ((str (regexp-quote str)) - (len (ring-length input-ring)) - (n (+ input-ring-index 1))) - (while (and (< n len) (not (string-match str (ring-ref input-ring n)))) - (setq n (+ n 1))) - (cond ((< n len) - (comint-previous-input (- n input-ring-index))) - (t (if (eq last-command 'comint-previous-input) - (setq this-command 'comint-previous-input)) - (message "Not found.") - (ding))))) - - -;;; These next three commands are alternatives to the input history commands -- -;;; comint-next-input, comint-previous-input and -;;; comint-previous-input-matching. They search through the process buffer -;;; text looking for occurrences of the prompt. RMS likes them better; -;;; I don't. Bound to M-P, M-N, and C-c R (uppercase P, N, and R) for -;;; now. Try'em out. Go with what you like... - -;;; comint-msearch-input-matching prompts for a string, not a regexp. -;;; This could be considered to be the wrong thing. I decided to keep it -;;; simple, and not make the user worry about regexps. This, of course, -;;; limits functionality. - -(defun comint-psearch-input () - "Search forwards for next occurrence of prompt and skip to end of line. -\(prompt is anything matching regexp comint-prompt-regexp)" - (interactive) - (if (re-search-forward comint-prompt-regexp (point-max) t) - (end-of-line) - (error "No occurrence of prompt found"))) - -(defun comint-msearch-input () - "Search backwards for previous occurrence of prompt and skip to end of line. -Search starts from beginning of current line." - (interactive) - (let ((p (save-excursion - (beginning-of-line) - (cond ((re-search-backward comint-prompt-regexp (point-min) t) - (end-of-line) - (point)) - (t nil))))) - (if p (goto-char p) - (error "No occurrence of prompt found")))) - -(defun comint-msearch-input-matching (str) - "Search backwards for occurrence of prompt followed by STRING. -STRING is prompted for, and is NOT a regular expression." - (interactive (let ((s (read-from-minibuffer - (format "Command (default %s): " - comint-last-input-match)))) - (list (if (string= s "") comint-last-input-match s)))) -; (interactive "sCommand: ") - (setq comint-last-input-match str) ; update default - (let* ((r (concat comint-prompt-regexp (regexp-quote str))) - (p (save-excursion - (beginning-of-line) - (cond ((re-search-backward r (point-min) t) - (end-of-line) - (point)) - (t nil))))) - (if p (goto-char p) - (error "No match")))) - -;;; -;;; Similar input -- contributed by ccm and highly winning. -;;; -;;; Reenter input, removing back to the last insert point if it exists. -;;; -(defvar comint-last-similar-string "" - "The string last used in a similar string search.") -(defun comint-previous-similar-input (arg) - "Reenters the last input that matches the string typed so far. If repeated -successively older inputs are reentered. If arg is 1, it will go back -in the history, if -1 it will go forward." - (interactive "p") - (if (not (comint-after-pmark-p)) - (error "Not after process mark")) - (if (not (eq last-command 'comint-previous-similar-input)) - (setq input-ring-index -1 - comint-last-similar-string - (buffer-substring - (process-mark (get-buffer-process (current-buffer))) - (point)))) - (let* ((size (length comint-last-similar-string)) - (len (ring-length input-ring)) - (n (+ input-ring-index arg)) - entry) - (while (and (< n len) - (or (< (length (setq entry (ring-ref input-ring n))) size) - (not (equal comint-last-similar-string - (substring entry 0 size))))) - (setq n (+ n arg))) - (cond ((< n len) - (setq input-ring-index n) - (if (eq last-command 'comint-previous-similar-input) - (delete-region (mark) (point)) ; repeat - (push-mark (point))) ; 1st time - (insert (substring entry size))) - (t (message "Not found.") (ding) (sit-for 1))) - (message "%d" (1+ input-ring-index)))) - - - - - - - - - -(defun comint-send-input () - "Send input to process. After the process output mark, sends all text -from the process mark to point as input to the process. Before the -process output mark, calls value of variable comint-get-old-input to retrieve -old input, copies it to the end of the buffer, and sends it. A terminal -newline is also inserted into the buffer and sent to the process. In either -case, value of variable comint-input-sentinel is called on the input before -sending it. The input is entered into the input history ring, if value of -variable comint-input-filter returns non-nil when called on the input. - -If variable comint-eol-on-send is non-nil, then point is moved to the end of -line before sending the input. - -comint-get-old-input, comint-input-sentinel, and comint-input-filter are chosen -according to the command interpreter running in the buffer. E.g., -If the interpreter is the csh, - comint-get-old-input is the default: take the current line, discard any - initial string matching regexp comint-prompt-regexp. - comint-input-sentinel monitors input for \"cd\", \"pushd\", and \"popd\" - commands. When it sees one, it cd's the buffer. - comint-input-filter is the default: returns T if the input isn't all white - space. - -If the comint is Lucid Common Lisp, - comint-get-old-input snarfs the sexp ending at point. - comint-input-sentinel does nothing. - comint-input-filter returns NIL if the input matches input-filter-regexp, - which matches (1) all whitespace (2) :a, :c, etc. - -Similarly for Soar, Scheme, etc.." - (interactive) - ;; Note that the input string does not include its terminal newline. - (let ((proc (get-buffer-process (current-buffer)))) - (if (not proc) (error "Current buffer has no process") - (let* ((pmark (process-mark proc)) - (pmark-val (marker-position pmark)) - (input (if (>= (point) pmark-val) - (progn (if comint-eol-on-send (end-of-line)) - (buffer-substring pmark (point))) - (let ((copy (funcall comint-get-old-input))) - (goto-char pmark) - (insert copy) - copy)))) - (insert ?\n) - (if (funcall comint-input-filter input) (ring-insert input-ring input)) - (funcall comint-input-sentinel input) - (funcall comint-input-sender proc input) - (set-marker (process-mark proc) (point)) - (set-marker comint-last-input-end (point)))))) - -(defun comint-get-old-input-default () - "Default for comint-get-old-input: take the current line, and discard -any initial text matching comint-prompt-regexp." - (save-excursion - (beginning-of-line) - (comint-skip-prompt) - (let ((beg (point))) - (end-of-line) - (buffer-substring beg (point))))) - -(defun comint-skip-prompt () - "Skip past the text matching regexp comint-prompt-regexp. -If this takes us past the end of the current line, don't skip at all." - (let ((eol (save-excursion (end-of-line) (point)))) - (if (and (looking-at comint-prompt-regexp) - (<= (match-end 0) eol)) - (goto-char (match-end 0))))) - - -(defun comint-after-pmark-p () - "Is point after the process output marker?" - ;; Since output could come into the buffer after we looked at the point - ;; but before we looked at the process marker's value, we explicitly - ;; serialise. This is just because I don't know whether or not emacs - ;; services input during execution of lisp commands. - (let ((proc-pos (marker-position - (process-mark (get-buffer-process (current-buffer)))))) - (<= proc-pos (point)))) - -(defun comint-simple-send (proc string) - "Default function for sending to PROC input STRING. -This just sends STRING plus a newline. To override this, -set the hook COMINT-INPUT-SENDER." - (comint-send-string proc string) - (comint-send-string proc "\n")) - -(defun comint-bol (arg) - "Goes to the beginning of line, then skips past the prompt, if any. -If a prefix argument is given (\\[universal-argument]), then no prompt skip --- go straight to column 0. - -The prompt skip is done by skipping text matching the regular expression -comint-prompt-regexp, a buffer local variable. - -If you don't like this command, reset c-a to beginning-of-line -in your hook, comint-mode-hook." - (interactive "P") - (beginning-of-line) - (if (null arg) (comint-skip-prompt))) - -;;; These two functions are for entering text you don't want echoed or -;;; saved -- typically passwords to ftp, telnet, or somesuch. -;;; Just enter m-x send-invisible and type in your line. - -(defun comint-read-noecho (prompt) - "Prompt the user with argument PROMPT. Read a single line of text -without echoing, and return it. Note that the keystrokes comprising -the text can still be recovered (temporarily) with \\[view-lossage]. This -may be a security bug for some applications." - (let ((echo-keystrokes 0) - (answ "") - tem) - (if (and (stringp prompt) (not (string= (message prompt) ""))) - (message prompt)) - (while (not(or (= (setq tem (read-char)) ?\^m) - (= tem ?\n))) - (setq answ (concat answ (char-to-string tem)))) - (message "") - answ)) - -(defun send-invisible (str) - "Read a string without echoing, and send it to the process running -in the current buffer. A new-line is additionally sent. String is not -saved on comint input history list. -Security bug: your string can still be temporarily recovered with -\\[view-lossage]." -; (interactive (list (comint-read-noecho "Enter non-echoed text"))) - (interactive "P") ; Defeat snooping via C-x esc - (let ((proc (get-buffer-process (current-buffer)))) - (if (not proc) (error "Current buffer has no process") - (comint-send-string proc - (if (stringp str) str - (comint-read-noecho "Enter non-echoed text"))) - (comint-send-string proc "\n")))) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;;; Low-level process communication - -(defvar comint-input-chunk-size 512 - "*Long inputs send to comint processes are broken up into chunks of this size. -If your process is choking on big inputs, try lowering the value.") - -(defun comint-send-string (proc str) - "Send PROCESS the contents of STRING as input. -This is equivalent to process-send-string, except that long input strings -are broken up into chunks of size comint-input-chunk-size. Processes -are given a chance to output between chunks. This can help prevent processes -from hanging when you send them long inputs on some OS's." - (let* ((len (length str)) - (i (min len comint-input-chunk-size))) - (process-send-string proc (substring str 0 i)) - (while (< i len) - (let ((next-i (+ i comint-input-chunk-size))) - (accept-process-output) - (process-send-string proc (substring str i (min len next-i))) - (setq i next-i))))) - -(defun comint-send-region (proc start end) - "Sends to PROC the region delimited by START and END. -This is a replacement for process-send-region that tries to keep -your process from hanging on long inputs. See comint-send-string." - (comint-send-string proc (buffer-substring start end))) - - - - - - - - - - - - - - - - - - -;;; Random input hackage - -(defun comint-kill-output () - "Kill all output from interpreter since last input." - (interactive) - (let ((pmark (process-mark (get-buffer-process (current-buffer))))) - (kill-region comint-last-input-end pmark) - (goto-char pmark) - (insert "*** output flushed ***\n") - (set-marker pmark (point)))) - -(defun comint-show-output () - "Display start of this batch of interpreter output at top of window. -Also put cursor there." - (interactive) - (goto-char comint-last-input-end) - (backward-char) - (beginning-of-line) - (set-window-start (selected-window) (point)) - (end-of-line)) - -(defun comint-interrupt-subjob () - "Interrupt the current subjob." - (interactive) - (interrupt-process nil comint-ptyp)) - -(defun comint-kill-subjob () - "Send kill signal to the current subjob." - (interactive) - (kill-process nil comint-ptyp)) - -(defun comint-quit-subjob () - "Send quit signal to the current subjob." - (interactive) - (quit-process nil comint-ptyp)) - -(defun comint-stop-subjob () - "Stop the current subjob. -WARNING: if there is no current subjob, you can end up suspending -the top-level process running in the buffer. If you accidentally do -this, use \\[comint-continue-subjob] to resume the process. (This -is not a problem with most shells, since they ignore this signal.)" - (interactive) - (stop-process nil comint-ptyp)) - -(defun comint-continue-subjob () - "Send CONT signal to process buffer's process group. -Useful if you accidentally suspend the top-level process." - (interactive) - (continue-process nil comint-ptyp)) - -(defun comint-kill-input () - "Kill all text from last stuff output by interpreter to point." - (interactive) - (let* ((pmark (process-mark (get-buffer-process (current-buffer)))) - (p-pos (marker-position pmark))) - (if (> (point) p-pos) - (kill-region pmark (point))))) - -(defun comint-delchar-or-maybe-eof (arg) - "Delete ARG characters forward, or send an EOF to process if at end of buffer." - (interactive "p") - (if (eobp) - (process-send-eof) - (delete-char arg))) - - - - - - - - - - - - - - - - - - - - - - - -;;; Support for source-file processing commands. -;;;============================================================================ -;;; Many command-interpreters (e.g., Lisp, Scheme, Soar) have -;;; commands that process files of source text (e.g. loading or compiling -;;; files). So the corresponding process-in-a-buffer modes have commands -;;; for doing this (e.g., lisp-load-file). The functions below are useful -;;; for defining these commands. -;;; -;;; Alas, these guys don't do exactly the right thing for Lisp, Scheme -;;; and Soar, in that they don't know anything about file extensions. -;;; So the compile/load interface gets the wrong default occasionally. -;;; The load-file/compile-file default mechanism could be smarter -- it -;;; doesn't know about the relationship between filename extensions and -;;; whether the file is source or executable. If you compile foo.lisp -;;; with compile-file, then the next load-file should use foo.bin for -;;; the default, not foo.lisp. This is tricky to do right, particularly -;;; because the extension for executable files varies so much (.o, .bin, -;;; .lbin, .mo, .vo, .ao, ...). - - -;;; COMINT-SOURCE-DEFAULT -- determines defaults for source-file processing -;;; commands. -;;; -;;; COMINT-CHECK-SOURCE -- if FNAME is in a modified buffer, asks you if you -;;; want to save the buffer before issuing any process requests to the command -;;; interpreter. -;;; -;;; COMINT-GET-SOURCE -- used by the source-file processing commands to prompt -;;; for the file to process. - -;;; (COMINT-SOURCE-DEFAULT previous-dir/file source-modes) -;;;============================================================================ -;;; This function computes the defaults for the load-file and compile-file -;;; commands for tea, soar, cmulisp, and cmuscheme modes. -;;; -;;; - PREVIOUS-DIR/FILE is a pair (directory . filename) from the last -;;; source-file processing command. NIL if there hasn't been one yet. -;;; - SOURCE-MODES is a list used to determine what buffers contain source -;;; files: if the major mode of the buffer is in SOURCE-MODES, it's source. -;;; Typically, (lisp-mode) or (scheme-mode). -;;; -;;; If the command is given while the cursor is inside a string, *and* -;;; the string is an existing filename, *and* the filename is not a directory, -;;; then the string is taken as default. This allows you to just position -;;; your cursor over a string that's a filename and have it taken as default. -;;; -;;; If the command is given in a file buffer whose major mode is in -;;; SOURCE-MODES, then the the filename is the default file, and the -;;; file's directory is the default directory. -;;; -;;; If the buffer isn't a source file buffer (e.g., it's the process buffer), -;;; then the default directory & file are what was used in the last source-file -;;; processing command (i.e., PREVIOUS-DIR/FILE). If this is the first time -;;; the command has been run (PREVIOUS-DIR/FILE is nil), the default directory -;;; is the cwd, with no default file. (\"no default file\" = nil) -;;; -;;; SOURCE-REGEXP is typically going to be something like (tea-mode) -;;; for T programs, (lisp-mode) for Lisp programs, (soar-mode lisp-mode) -;;; for Soar programs, etc. -;;; -;;; The function returns a pair: (default-directory . default-file). - -(defun comint-source-default (previous-dir/file source-modes) - (cond ((and buffer-file-name (memq major-mode source-modes)) - (cons (file-name-directory buffer-file-name) - (file-name-nondirectory buffer-file-name))) - (previous-dir/file) - (t - (cons default-directory nil)))) - - -;;; (COMINT-CHECK-SOURCE fname) -;;;============================================================================ -;;; Prior to loading or compiling (or otherwise processing) a file (in the CMU -;;; process-in-a-buffer modes), this function can be called on the filename. -;;; If the file is loaded into a buffer, and the buffer is modified, the user -;;; is queried to see if he wants to save the buffer before proceeding with -;;; the load or compile. - -(defun comint-check-source (fname) - (let ((buff (get-file-buffer fname))) - (if (and buff - (buffer-modified-p buff) - (y-or-n-p (format "Save buffer %s first? " - (buffer-name buff)))) - ;; save BUFF. - (let ((old-buffer (current-buffer))) - (set-buffer buff) - (save-buffer) - (set-buffer old-buffer))))) - - -;;; (COMINT-GET-SOURCE prompt prev-dir/file source-modes mustmatch-p) -;;;============================================================================ -;;; COMINT-GET-SOURCE is used to prompt for filenames in command-interpreter -;;; commands that process source files (like loading or compiling a file). -;;; It prompts for the filename, provides a default, if there is one, -;;; and returns the result filename. -;;; -;;; See COMINT-SOURCE-DEFAULT for more on determining defaults. -;;; -;;; PROMPT is the prompt string. PREV-DIR/FILE is the (directory . file) pair -;;; from the last source processing command. SOURCE-MODES is a list of major -;;; modes used to determine what file buffers contain source files. (These -;;; two arguments are used for determining defaults). If MUSTMATCH-P is true, -;;; then the filename reader will only accept a file that exists. -;;; -;;; A typical use: -;;; (interactive (comint-get-source "Compile file: " prev-lisp-dir/file -;;; '(lisp-mode) t)) - -;;; This is pretty stupid about strings. It decides we're in a string -;;; if there's a quote on both sides of point on the current line. -(defun comint-extract-string () - "Returns string around point that starts the current line or nil." - (save-excursion - (let* ((point (point)) - (bol (progn (beginning-of-line) (point))) - (eol (progn (end-of-line) (point))) - (start (progn (goto-char point) - (and (search-backward "\"" bol t) - (1+ (point))))) - (end (progn (goto-char point) - (and (search-forward "\"" eol t) - (1- (point)))))) - (and start end - (buffer-substring start end))))) - -(defun comint-get-source (prompt prev-dir/file source-modes mustmatch-p) - (let* ((def (comint-source-default prev-dir/file source-modes)) - (stringfile (comint-extract-string)) - (sfile-p (and stringfile - (file-exists-p stringfile) - (not (file-directory-p stringfile)))) - (defdir (if sfile-p (file-name-directory stringfile) - (car def))) - (deffile (if sfile-p (file-name-nondirectory stringfile) - (cdr def))) - (ans (read-file-name (if deffile (format "%s(default %s) " - prompt deffile) - prompt) - defdir - (concat defdir deffile) - mustmatch-p))) - (list (expand-file-name (substitute-in-file-name ans))))) - -;;; I am somewhat divided on this string-default feature. It seems -;;; to violate the principle-of-least-astonishment, in that it makes -;;; the default harder to predict, so you actually have to look and see -;;; what the default really is before choosing it. This can trip you up. -;;; On the other hand, it can be useful, I guess. I would appreciate feedback -;;; on this. -;;; -Olin - - - - - - - - - - - - - - - - - - - - - - - -;;; Simple process query facility. -;;; =========================================================================== -;;; This function is for commands that want to send a query to the process -;;; and show the response to the user. For example, a command to get the -;;; arglist for a Common Lisp function might send a "(arglist 'foo)" query -;;; to an inferior Common Lisp process. -;;; -;;; This simple facility just sends strings to the inferior process and pops -;;; up a window for the process buffer so you can see what the process -;;; responds with. We don't do anything fancy like try to intercept what the -;;; process responds with and put it in a pop-up window or on the message -;;; line. We just display the buffer. Low tech. Simple. Works good. - -;;; Send to the inferior process PROC the string STR. Pop-up but do not select -;;; a window for the inferior process so that its response can be seen. -(defun comint-proc-query (proc str) - (let* ((proc-buf (process-buffer proc)) - (proc-mark (process-mark proc))) - (display-buffer proc-buf) - (set-buffer proc-buf) ; but it's not the selected *window* - (let ((proc-win (get-buffer-window proc-buf)) - (proc-pt (marker-position proc-mark))) - (comint-send-string proc str) ; send the query - (accept-process-output proc) ; wait for some output - ;; Try to position the proc window so you can see the answer. - ;; This is bogus code. If you delete the (sit-for 0), it breaks. - ;; I don't know why. Wizards invited to improve it. - (if (not (pos-visible-in-window-p proc-pt proc-win)) - (let ((opoint (window-point proc-win))) - (set-window-point proc-win proc-mark) (sit-for 0) - (if (not (pos-visible-in-window-p opoint proc-win)) - (push-mark opoint) - (set-window-point proc-win opoint))))))) - - - - - - - - - - - -;;; Filename completion in a buffer -;;; =========================================================================== -;;; Useful completion functions, courtesy of the Ergo group. -;;; M-<Tab> will complete the filename at the cursor as much as possible -;;; M-? will display a list of completions in the help buffer. - -;;; Three commands: -;;; comint-dynamic-complete Complete filename at point. -;;; comint-dynamic-list-completions List completions in help buffer. -;;; comint-replace-by-expanded-filename Expand and complete filename at point; -;;; replace with expanded/completed name. - -;;; These are not installed in the comint-mode keymap. But they are -;;; available for people who want them. Shell-mode installs them: -;;; (define-key cmushell-mode-map "\M-\t" 'comint-dynamic-complete) -;;; (define-key cmushell-mode-map "\M-?" 'comint-dynamic-list-completions))) -;;; -;;; Commands like this are fine things to put in load hooks if you -;;; want them present in specific modes. Example: -;;; (setq cmushell-load-hook -;;; '((lambda () (define-key lisp-mode-map "\M-\t" -;;; 'comint-replace-by-expanded-filename)))) -;;; - - -(defun comint-match-partial-pathname () - "Returns the string of an existing filename or causes an error." - (if (save-excursion (backward-char 1) (looking-at "\\s ")) "" - (save-excursion - (re-search-backward "[^~/A-Za-z0-9---_.$#,]+") - (re-search-forward "[~/A-Za-z0-9---_.$#,]+") - (substitute-in-file-name - (buffer-substring (match-beginning 0) (match-end 0)))))) - - -(defun comint-replace-by-expanded-filename () -"Replace the filename at point with an expanded, canonicalised, and -completed replacement. -\"Expanded\" means environment variables (e.g., $HOME) and ~'s are -replaced with the corresponding directories. \"Canonicalised\" means .. -and \. are removed, and the filename is made absolute instead of relative. -See functions expand-file-name and substitute-in-file-name. See also -comint-dynamic-complete." - (interactive) - (let* ((pathname (comint-match-partial-pathname)) - (pathdir (file-name-directory pathname)) - (pathnondir (file-name-nondirectory pathname)) - (completion (file-name-completion pathnondir - (or pathdir default-directory)))) - (cond ((null completion) - (message "No completions of %s." pathname) - (ding)) - ((eql completion t) - (message "Unique completion.")) - (t ; this means a string was returned. - (delete-region (match-beginning 0) (match-end 0)) - (insert (expand-file-name (concat pathdir completion))))))) - - -(defun comint-dynamic-complete () - "Dynamically complete the filename at point. -This function is similar to comint-replace-by-expanded-filename, except -that it won't change parts of the filename already entered in the buffer; -it just adds completion characters to the end of the filename." - (interactive) - (let* ((pathname (comint-match-partial-pathname)) - (pathdir (file-name-directory pathname)) - (pathnondir (file-name-nondirectory pathname)) - (completion (file-name-completion pathnondir - (or pathdir default-directory)))) - (cond ((null completion) - (message "No completions of %s." pathname) - (ding)) - ((eql completion t) - (message "Unique completion.")) - (t ; this means a string was returned. - (goto-char (match-end 0)) - (insert (substring completion (length pathnondir))))))) - -(defun comint-dynamic-list-completions () - "List in help buffer all possible completions of the filename at point." - (interactive) - (let* ((pathname (comint-match-partial-pathname)) - (pathdir (file-name-directory pathname)) - (pathnondir (file-name-nondirectory pathname)) - (completions - (file-name-all-completions pathnondir - (or pathdir default-directory)))) - (cond ((null completions) - (message "No completions of %s." pathname) - (ding)) - (t - (let ((conf (current-window-configuration))) - (with-output-to-temp-buffer "*Help*" - (display-completion-list completions)) - (sit-for 0) - (message "Hit space to flush.") - (let ((ch (read-char))) - (if (= ch ?\ ) - (set-window-configuration conf) - (setq unread-command-char ch)))))))) - -; Ergo bindings -; (global-set-key "\M-\t" 'comint-replace-by-expanded-filename) -; (global-set-key "\M-?" 'comint-dynamic-list-completions) -; (define-key shell-mode-map "\M-\t" 'comint-dynamic-complete) - - - - - - - - - - - - - - - - - - - - - - - - - - -;;; Converting process modes to use comint mode -;;; =========================================================================== -;;; Several gnu packages (tex-mode, background, dbx, gdb, kermit, prolog, -;;; telnet are some) use the shell package as clients. Most of them would -;;; be better off using the comint package, but they predate it. -;;; -;;; Altering these packages to use comint mode should greatly -;;; improve their functionality, and is fairly easy. -;;; -;;; Renaming variables -;;; Most of the work is renaming variables and functions. These are the common -;;; ones: -;;; Local variables: -;;; last-input-end comint-last-input-end -;;; last-input-start <unnecessary> -;;; shell-prompt-pattern comint-prompt-regexp -;;; shell-set-directory-error-hook <no equivalent> -;;; Miscellaneous: -;;; shell-set-directory <unnecessary> -;;; shell-mode-map comint-mode-map -;;; Commands: -;;; shell-send-input comint-send-input -;;; shell-send-eof comint-delchar-or-maybe-eof -;;; kill-shell-input comint-kill-input -;;; interrupt-shell-subjob comint-interrupt-subjob -;;; stop-shell-subjob comint-stop-subjob -;;; quit-shell-subjob comint-quit-subjob -;;; kill-shell-subjob comint-kill-subjob -;;; kill-output-from-shell comint-kill-output -;;; show-output-from-shell comint-show-output -;;; copy-last-shell-input Use comint-previous-input/comint-next-input -;;; -;;; LAST-INPUT-START is no longer necessary because inputs are stored on the -;;; input history ring. SHELL-SET-DIRECTORY is gone, its functionality taken -;;; over by SHELL-DIRECTORY-TRACKER, the shell mode's comint-input-sentinel. -;;; Comint mode does not provide functionality equivalent to -;;; shell-set-directory-error-hook; it is gone. -;;; -;;; If you are implementing some process-in-a-buffer mode, called foo-mode, do -;;; *not* create the comint-mode local variables in your foo-mode function. -;;; This is not modular. Instead, call comint-mode, and let *it* create the -;;; necessary comint-specific local variables. Then create the -;;; foo-mode-specific local variables in foo-mode. Set the buffer's keymap to -;;; be foo-mode-map, and its mode to be foo-mode. Set the comint-mode hooks -;;; (comint-prompt-regexp, comint-input-filter, comint-input-sentinel, -;;; comint-get-old-input) that need to be different from the defaults. Call -;;; foo-mode-hook, and you're done. Don't run the comint-mode hook yourself; -;;; comint-mode will take care of it. The following example, from cmushell.el, -;;; is typical: -;;; -;;; (defun shell-mode () -;;; (interactive) -;;; (comint-mode) -;;; (setq comint-prompt-regexp shell-prompt-pattern) -;;; (setq major-mode 'shell-mode) -;;; (setq mode-name "Shell") -;;; (cond ((not shell-mode-map) -;;; (setq shell-mode-map (full-copy-sparse-keymap comint-mode-map)) -;;; (define-key shell-mode-map "\M-\t" 'comint-dynamic-complete) -;;; (define-key shell-mode-map "\M-?" -;;; 'comint-dynamic-list-completions))) -;;; (use-local-map shell-mode-map) -;;; (make-local-variable 'shell-directory-stack) -;;; (setq shell-directory-stack nil) -;;; (setq comint-input-sentinel 'shell-directory-tracker) -;;; (run-hooks 'shell-mode-hook)) -;;; -;;; -;;; Note that make-comint is different from make-shell in that it -;;; doesn't have a default program argument. If you give make-shell -;;; a program name of NIL, it cleverly chooses one of explicit-shell-name, -;;; $ESHELL, $SHELL, or /bin/sh. If you give make-comint a program argument -;;; of NIL, it barfs. Adjust your code accordingly... -;;; - - - - - - - - - - - - - - -;;; Do the user's customisation... - -(defvar comint-load-hook nil - "This hook is run when comint is loaded in. -This is a good place to put keybindings.") - -(run-hooks 'comint-load-hook) - -;;; Change log: -;;; 9/12/89 -;;; - Souped up the filename expansion procedures. -;;; Doc strings are much clearer and more detailed. -;;; Fixed a bug where doing a filename completion when the point -;;; was in the middle of the filename instead of at the end would lose. -;;; -;;; 2/17/90 -;;; - Souped up the command history stuff so that text inserted -;;; by comint-previous-input-matching is removed by following -;;; command history recalls. comint-next/previous-input-matching -;;; is now much more smoothly integrated w/the command history stuff. -;;; - Added comint-eol-on-send flag and comint-input-sender hook. -;;; Comint-input-sender based on code contributed by Jeff Peck -;;; (peck@sun.com). -;;; -;;; 3/13/90 ccm@cmu.cs.edu -;;; - Added comint-previous-similar-input for looking up similar inputs. -;;; - Added comint-send-and-get-output to allow snarfing input from -;;; buffer. -;;; - Added the ability to pick up a source file by positioning over -;;; a string in comint-get-source. -;;; - Added add-hook to make it a little easier for the user to use -;;; multiple hooks. -;;; -;;; 5/22/90 shivers -;;; - Moved Chris' multiplexed ipc stuff to comint-ipc.el. -;;; - Altered Chris' comint-get-source string feature. The string -;;; is only offered as a default if it names an existing file. -;;; - Changed comint-exec to directly crank up the process, instead -;;; of calling the env program. This made background.el happy. -;;; - Added new buffer-local var comint-ptyp. The problem is that -;;; the signalling functions don't work as advertised. If you are -;;; communicating via pipes, the CURRENT-GROUP arg is supposed to -;;; be ignored, but, unfortunately it seems to be the case that you -;;; must pass a NIL for this arg in the pipe case. COMINT-PTYP -;;; is a flag that tells whether the process is communicating -;;; via pipes or a pty. The comint signalling functions use it -;;; to determine the necessary CURRENT-GROUP arg value. The bug -;;; has been reported to the Gnu folks. -;;; - comint-dynamic-complete flushes the help window if you hit space -;;; after you execute it. -;;; - Added functions comint-send-string, comint-send-region and var -;;; comint-input-chunk-size. comint-send-string tries to prevent processes -;;; from hanging when you send them long strings by breaking them into -;;; chunks and allowing process output between chunks. I got the idea from -;;; Eero Simoncelli's Common Lisp package. Note that using -;;; comint-send-string means that the process buffer's contents can change -;;; during a call! If you depend on process output only happening between -;;; toplevel commands, this could be a problem. In such a case, use -;;; process-send-string instead. If this is a problem for people, I'd like -;;; to hear about it. -;;; - Added comint-proc-query as a simple mechanism for commands that -;;; want to query an inferior process and display its response. For a -;;; typical use, see lisp-show-arglist in cmulisp.el. -;;; - Added constant comint-version, which is now "2.01". -;;; -;;; 6/14/90 shivers -;;; - Had comint-update-env defined twice. Removed extra copy. Also -;;; renamed mem to be comint-mem, for modularity. The duplication -;;; was reported by Michael Meissner. -;;; 6/16/90 shivers -;;; - Emacs has two different mechanisms for maintaining the process -;;; environment, determined at compile time by the MAINTAIN-ENVIRONMENT -;;; #define. One uses the process-environment global variable, and -;;; one uses a getenv/setenv interface. comint-exec assumed the -;;; process-environment interface; it has been generalised (with -;;; comint-exec-1) to handle both cases. Pretty bogus. We could, -;;; of course, skip all this and just use the etc/env program to -;;; handle the environment tweaking, but that obscures process -;;; queries that other modules (like background.el) depend on. etc/env -;;; is also fairly bogus. This bug, and some of the fix code was -;;; reported by Dan Pierson. -;;; -;;; 9/5/90 shivers -;;; - Changed make-variable-buffer-local's to make-local-variable's. -;;; This leaves non-comint-mode buffers alone. Stephane Payrard -;;; reported the sloppy useage. -;;; - You can now go from comint-previous-similar-input to -;;; comint-previous-input with no problem. - - |