-;;; comint.el --- general command interpreter in a window stuff
+;;; comint.el --- general command interpreter in a window stuff -*- lexical-binding: t -*-
-;; Copyright (C) 1988, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-;; 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1988, 1990, 1992-2012 Free Software Foundation, Inc.
;; Author: Olin Shivers <shivers@cs.cmu.edu>
;; Simon Marshall <simon@gnu.org>
;; Maintainer: FSF
;; Keywords: processes
+;; Package: emacs
;; This file is part of GNU 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.
+;; the hooks available for customizing it, see the comments below.
;; For further information on the standard derived modes (shell,
;; inferior-lisp, inferior-scheme, ...), see the relevant source files.
;;; Code:
+(eval-when-compile (require 'cl))
(require 'ring)
\f
;; Buffer Local Variables:
:group 'comint)
(defface comint-highlight-prompt
- '((((min-colors 88) (background dark)) (:foreground "cyan1"))
- (((background dark)) (:foreground "cyan"))
- (t (:foreground "dark blue")))
+ '((t :inherit minibuffer-prompt))
"Face to use to highlight prompts."
: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."
+`comint-mode' makes this a buffer-local variable. You probably want
+to set this in a mode hook, rather than customize the default value."
:type '(choice (const :tag "nil" nil)
file)
:group 'comint)
:type 'integer
:group 'comint)
-;; FIXME: this should be defcustom
(defcustom comint-input-ring-size 500
"Size of the input history ring in `comint-mode'."
:type 'integer
;; Ubuntu's sudo prompts like `[sudo] password for user:'
;; Some implementations of passwd use "Password (again)" as the 2nd prompt.
;; Something called "perforce" uses "Enter password:".
+;; See M-x comint-testsuite--test-comint-password-prompt-regexp.
(defcustom comint-password-prompt-regexp
- "\\(\\([Ee]nter \\(?:same \\|the \\)?\\|[Oo]ld \\|[Nn]ew \\|'s \\|login \\|\
-Kerberos \\|CVS \\|UNIX \\| SMB \\|LDAP \\|\\[sudo] \\|^\\)\
-\[Pp]assword\\( (again)\\)?\\|\
-pass phrase\\|\\(Enter \\|Repeat \\|Bad \\)?[Pp]assphrase\\)\
-\\(?:, try again\\)?\\(?: for [^:]+\\)?:\\s *\\'"
+ (concat
+ "\\(^ *\\|"
+ (regexp-opt
+ '("Enter" "enter" "Enter same" "enter same" "Enter the" "enter the"
+ "Old" "old" "New" "new" "'s" "login"
+ "Kerberos" "CVS" "UNIX" " SMB" "LDAP" "[sudo]" "Repeat" "Bad") t)
+ " +\\)"
+ (regexp-opt
+ '("password" "Password" "passphrase" "Passphrase"
+ "pass phrase" "Pass phrase" "Response"))
+ "\\(?:\\(?:, try\\)? *again\\| (empty for no passphrase)\\| (again)\\)?\
+\\(?: for [^:]+\\)?:\\s *\\'")
"Regexp matching prompts for passwords in the inferior process.
This is used by `comint-watch-for-password-prompt'."
- :version "23.3"
+ :version "24.1"
:type 'regexp
:group 'comint)
`comint-use-prompt-regexp'.")
(defvar comint-dynamic-complete-functions
- '(comint-replace-by-expanded-history comint-dynamic-complete-filename)
+ '(comint-c-a-p-replace-by-expanded-history comint-filename-completion)
"List of functions called to perform completion.
-Functions should return non-nil if completion was performed.
+Works like `completion-at-point-functions'.
See also `comint-dynamic-complete'.
This is a good thing to set in mode hooks.")
:type 'boolean
:group 'comint)
+(define-obsolete-variable-alias 'comint-use-prompt-regexp-instead-of-fields
+ 'comint-use-prompt-regexp "22.1")
+
;; 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.
:type 'boolean
:group 'comint)
-;; Autoload is necessary for Custom to recognize old alias.
-;;;###autoload
-(define-obsolete-variable-alias 'comint-use-prompt-regexp-instead-of-fields
- 'comint-use-prompt-regexp "22.1")
-
(defcustom comint-mode-hook nil
"Hook run upon entry to `comint-mode'.
This is run before the process is cranked up."
(define-key map [menu-bar completion complete-file]
'("Complete File Name" . comint-dynamic-complete-filename))
(define-key map [menu-bar completion complete]
- '("Complete Before Point" . comint-dynamic-complete))
+ '("Complete at Point" . completion-at-point))
;; Input history:
(define-key map [menu-bar inout]
(cons "In/Out" (make-sparse-keymap "In/Out")))
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].
+The mode maintains an input history of size `comint-input-ring-size'.
+You can access this 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',
(make-local-variable 'comint-process-echoes)
(make-local-variable 'comint-file-name-chars)
(make-local-variable 'comint-file-name-quote-list)
+ ;; dir tracking on remote files
+ (set (make-local-variable 'comint-file-name-prefix)
+ (or (file-remote-p default-directory) ""))
(make-local-variable 'comint-accum-marker)
(setq comint-accum-marker (make-marker))
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults '(nil t))
(add-hook 'change-major-mode-hook 'font-lock-defontify nil t)
(add-hook 'isearch-mode-hook 'comint-history-isearch-setup nil t)
+ (add-hook 'completion-at-point-functions 'comint-completion-at-point nil t)
;; This behavior is not useful in comint buffers, and is annoying
(set (make-local-variable 'next-line-add-newlines) nil))
;; If pos is at the very end of a field, the mouse-click was
;; probably outside (to the right) of the field.
(and (< pos (field-end pos))
- (setq field (field-at-pos pos))
- (setq input (field-string-no-properties pos))))
- (if (or (null comint-accum-marker)
- (not (eq field 'input)))
+ (< (field-end pos) (point-max))
+ (progn (setq field (field-at-pos pos))
+ (setq input (field-string-no-properties pos)))))
+ (if (or (null input) (null comint-accum-marker) field)
;; Fall back to the global definition if (i) the selected
;; buffer is not a comint buffer (which can happen if a
;; non-comint window was selected and we clicked in a comint
(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)
+ (let* ((file comint-input-ring-file-name)
(count 0)
(size comint-input-ring-size)
(ring (make-ring size)))
- (unwind-protect
- (with-current-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 size)
- (re-search-backward comint-input-ring-separator
- nil t)
- (setq end (match-beginning 0)))
- (setq start
- (if (re-search-backward comint-input-ring-separator
- nil t)
- (match-end 0)
- (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))
+ (with-temp-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 size)
+ (re-search-backward comint-input-ring-separator
+ nil t)
+ (setq end (match-beginning 0)))
+ (setq start
+ (if (re-search-backward comint-input-ring-separator
+ nil t)
+ (match-end 0)
+ (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)))))))
(setq comint-input-ring ring
comint-input-ring-index nil)))))
(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.
(dotimes (index (ring-length comint-input-ring))
Returns t if successful."
(interactive)
+ (let ((f (comint-c-a-p-replace-by-expanded-history silent start)))
+ (if f (funcall f))))
+
+(defun comint-c-a-p-replace-by-expanded-history (&optional silent start)
+ "Expand input command history at point.
+For use on `completion-at-point-functions'."
(if (and comint-input-autoexpand
(if comint-use-prompt-regexp
;; Use comint-prompt-regexp
;; Use input fields. User input that hasn't been entered
;; yet, at the end of the buffer, has a nil `field' property.
(and (null (get-char-property (point) 'field))
- (string-match "!\\|^\\^" (field-string)))))
- ;; Looks like there might be history references in the command.
- (let ((previous-modified-tick (buffer-modified-tick)))
- (comint-replace-by-expanded-history-before-point silent start)
- (/= previous-modified-tick (buffer-modified-tick)))))
-
-
-(defun comint-replace-by-expanded-history-before-point (silent &optional start)
+ (string-match "!\\|^\\^" (field-string))))
+ (catch 'dry-run
+ (comint-replace-by-expanded-history-before-point
+ silent start 'dry-run)))
+ (lambda ()
+ ;; Looks like there might be history references in the command.
+ (let ((previous-modified-tick (buffer-modified-tick)))
+ (comint-replace-by-expanded-history-before-point silent start)
+ (/= previous-modified-tick (buffer-modified-tick))))))
+
+
+(defun comint-replace-by-expanded-history-before-point
+ (silent &optional start dry-run)
"Expand directory stack reference before point.
See `comint-replace-by-expanded-history'. Returns t if successful.
If the optional argument START is non-nil, that specifies the
start of the text to scan for history references, rather
-than the logical beginning of line."
+than the logical beginning of line.
+
+If DRY-RUN is non-nil, throw to DRY-RUN before performing any
+actual side-effect."
(save-excursion
(let ((toend (- (line-end-position) (point)))
(start (or start (comint-line-beginning-position))))
(goto-char (1+ (point))))
((looking-at "![0-9]+\\($\\|[^-]\\)")
;; We cannot know the interpreter's idea of input line numbers.
+ (if dry-run (throw dry-run 'message))
(goto-char (match-end 0))
(message "Absolute reference cannot be expanded"))
((looking-at "!-\\([0-9]+\\)\\(:?[0-9^$*-]+\\)?")
;; Just a number of args from `number' lines backward.
+ (if dry-run (throw dry-run 'history))
(let ((number (1- (string-to-number
(buffer-substring (match-beginning 1)
(match-end 1))))))
(message "Relative reference exceeds input history size"))))
((or (looking-at "!!?:?\\([0-9^$*-]+\\)") (looking-at "!!"))
;; Just a number of args from the previous input line.
+ (if dry-run (throw dry-run 'expand))
(replace-match (comint-args (comint-previous-input-string 0)
(match-beginning 1) (match-end 1))
t t)
"!\\??\\({\\(.+\\)}\\|\\(\\sw+\\)\\)\\(:?[0-9^$*-]+\\)?")
;; Most recent input starting with or containing (possibly
;; protected) string, maybe just a number of args. Phew.
+ (if dry-run (throw dry-run 'expand))
(let* ((mb1 (match-beginning 1)) (me1 (match-end 1))
(mb2 (match-beginning 2)) (me2 (match-end 2))
(exp (buffer-substring (or mb2 mb1) (or me2 me1)))
(message "History item: %d" (1+ pos)))))
((looking-at "\\^\\([^^]+\\)\\^?\\([^^]*\\)\\^?")
;; Quick substitution on the previous input line.
+ (if dry-run (throw dry-run 'expand))
(let ((old (buffer-substring (match-beginning 1) (match-end 1)))
(new (buffer-substring (match-beginning 2) (match-end 2)))
(pos nil))
(replace-match new t t)
(message "History item: substituted"))))
(t
- (forward-char 1)))))))
+ (forward-char 1)))))
+ nil))
(defun comint-magic-space (arg)
`(lambda (cmd)
(comint-history-isearch-pop-state cmd ,comint-input-ring-index)))
-(defun comint-history-isearch-pop-state (cmd hist-pos)
+(defun comint-history-isearch-pop-state (_cmd hist-pos)
"Restore the input history search state.
Go to the history element by the absolute history position HIST-POS."
(comint-goto-input hist-pos))
(insert copy)
copy)))
(input (if (not (eq comint-input-autoexpand 'input))
- ;; Just whatever's already there
+ ;; Just whatever's already there.
intxt
- ;; Expand and leave it visible in buffer
+ ;; Expand and leave it visible in buffer.
(comint-replace-by-expanded-history t pmark)
(buffer-substring pmark (point))))
(history (if (not (eq comint-input-autoexpand 'history))
(add-text-properties
beg end
'(mouse-face highlight
- help-echo "mouse-2: insert after prompt as new input"
- field input))))
+ help-echo "mouse-2: insert after prompt as new input"))))
(unless (or no-newline comint-use-prompt-regexp)
;; Cover the terminating newline
(add-text-properties end (1+ end)
;; The point should float after any insertion we do.
(saved-point (copy-marker (point) t)))
- ;; We temporarly remove any buffer narrowing, in case the
+ ;; We temporarily remove any buffer narrowing, in case the
;; process mark is outside of the restriction
(save-restriction
(widen)
(select-window selected))))
nil t))))))
-(defun comint-postoutput-scroll-to-bottom (string)
+(defun comint-postoutput-scroll-to-bottom (_string)
"Go to the end of buffer in some or all windows showing it.
Does not scroll if the current line is the last line in the buffer.
Depends on the value of `comint-move-point-for-output' and
nil t))
(set-buffer current))))
-(defun comint-truncate-buffer (&optional string)
+(defun comint-truncate-buffer (&optional _string)
"Truncate the buffer to `comint-buffer-maximum-size'.
This function could be on `comint-output-filter-functions' or bound to a key."
(interactive)
(let ((inhibit-read-only t))
(delete-region (point-min) (point)))))
-(defun comint-strip-ctrl-m (&optional string)
+(defun comint-strip-ctrl-m (&optional _string)
"Strip trailing `^M' characters from the current output group.
This function could be on `comint-output-filter-functions' or bound to a key."
(interactive)
If `comint-use-prompt-regexp' is non-nil, then return
the current line with any initial string matching the regexp
`comint-prompt-regexp' removed."
- (let ((bof (field-beginning)))
- (if (eq (get-char-property bof 'field) 'input)
+ (let (bof)
+ (if (and (not comint-use-prompt-regexp)
+ ;; Make sure we're in an input rather than output field.
+ (null (get-char-property (setq bof (field-beginning)) 'field)))
(field-string-no-properties bof)
(comint-bol)
(buffer-substring-no-properties (point) (line-end-position)))))
(goto-char (comint-line-beginning-position))))
;; For compatibility.
-(defun comint-read-noecho (prompt &optional ignore)
+(defun comint-read-noecho (prompt &optional _ignore)
(read-passwd prompt))
;; These three functions are for entering text you don't want echoed or
(delete-region pmark (point))))
;; Output message and put back prompt
(comint-output-filter proc replacement)))
-(define-obsolete-function-alias 'comint-kill-output
- 'comint-delete-output "21.1")
(defun comint-write-output (filename &optional append mustbenew)
"Write output from interpreter since last input to FILENAME.
(while (/= n 0)
(unless (re-search-backward regexp nil t dir)
(error "Not found"))
- (when (eq (get-char-property (point) 'field) 'input)
+ (unless (get-char-property (point) 'field)
(setq n (- n dir))))
(field-beginning))))
(goto-char pos))))
(setq input-pos (point-max)))
;; stop iterating
(setq n 0))
- ((eq (get-char-property pos 'field) 'input)
+ ((null (get-char-property pos 'field))
(setq n (if (< n 0) (1+ n) (1- n)))
(setq input-pos pos))))
(when input-pos
;; First usage; initialize to a marker
(setq comint-insert-previous-argument-last-start-pos
(make-marker)))))
- ;; Make sure we're not in the prompt, and add a beginning space if necess.
+ ;; Make sure we're not in the prompt, and add a beginning space if necessary.
(if (<= (point) (comint-line-beginning-position))
(comint-bol)
(just-one-space))
;; 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-dynamic-simple-complete Complete stub given candidates.
-;; These are not installed in the comint-mode keymap. But they are
-;; available for people who want them. Shell-mode installs them:
+;; These are not installed in the comint-mode keymap. But they are
+;; available for people who want them. Shell-mode installs them:
;; (define-key shell-mode-map "\t" 'comint-dynamic-complete)
;; (define-key shell-mode-map "\M-?"
;; 'comint-dynamic-list-filename-completions)))
:group 'comint-completion)
(defcustom comint-completion-addsuffix t
- "If non-nil, add a `/' to completed directories, ` ' to file names.
-If a cons pair, it should be of the form (DIRSUFFIX . FILESUFFIX) where
-DIRSUFFIX and FILESUFFIX are strings added on unambiguous or exact completion.
+ "If non-nil, add ` ' to file names.
+It can either be a string FILESUFFIX or a cons (DIRSUFFIX . FILESUFFIX)
+where DIRSUFFIX is ignored and FILESUFFIX is a string added on unambiguous
+or exact completion.
This mirrors the optional behavior of tcsh."
:type '(choice (const :tag "None" nil)
- (const :tag "Add /" t)
- (cons :tag "Suffix pair"
- (string :tag "Directory suffix")
+ (const :tag "Add SPC" t)
+ (string :tag "File suffix")
+ (cons :tag "Obsolete suffix pair"
+ (string :tag "Ignored")
(string :tag "File suffix")))
:group 'comint-completion)
(defun comint-substitute-in-file-name (filename)
"Return FILENAME with environment variables substituted.
Supports additional environment variable syntax of the command
-interpreter (e.g., the percent notation of cmd.exe on NT)."
+interpreter (e.g., the percent notation of cmd.exe on Windows)."
(let ((name (substitute-in-file-name filename)))
(if (memq system-type '(ms-dos windows-nt))
(let (env-var-name
(setq name (replace-match env-var-val t t name))))))
name))
+(defun comint--match-partial-filename ()
+ "Return the filename at point as-is, or nil if none is found.
+See `comint-word'."
+ (comint-word comint-file-name-chars))
+
+(defun comint--unquote&expand-filename (filename)
+ ;; FIXME: The code below does unquote-then-expand which means that "\\$HOME"
+ ;; gets expanded to the same as "$HOME"
+ (comint-substitute-in-file-name
+ (comint-unquote-filename filename)))
+
(defun comint-match-partial-filename ()
- "Return the filename at point, or nil if none is found.
+ "Return the unquoted&expanded filename at point, or nil if none is found.
Environment variables are substituted. See `comint-word'."
- (let ((filename (comint-word comint-file-name-chars)))
- (and filename (comint-substitute-in-file-name
- (comint-unquote-filename filename)))))
-
+ (let ((filename (comint--match-partial-filename)))
+ (and filename (comint--unquote&expand-filename filename))))
(defun comint-quote-filename (filename)
"Return FILENAME with magic characters quoted.
(if (null comint-file-name-quote-list)
filename
(save-match-data
- (let ((i 0))
- (while (string-match "\\\\\\(.\\)" filename i)
- (setq filename (replace-match "\\1" nil nil filename))
- (setq i (+ 1 (match-beginning 0)))))
- filename)))
-
-
-(defun comint-dynamic-complete ()
- "Dynamically perform completion at point.
-Calls the functions in `comint-dynamic-complete-functions' to perform
-completion until a function returns non-nil, at which point completion is
-assumed to have occurred."
- (interactive)
+ (replace-regexp-in-string "\\\\\\(.\\)" "\\1" filename t))))
+
+(defun comint-completion-at-point ()
(run-hook-with-args-until-success 'comint-dynamic-complete-functions))
+(define-obsolete-function-alias
+ 'comint-dynamic-complete
+ 'completion-at-point "24.1")
(defun comint-dynamic-complete-filename ()
"Dynamically complete the filename at point.
-Completes if after a filename. See `comint-match-partial-filename' and
-`comint-dynamic-complete-as-filename'.
+Completes if after a filename.
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. A completions listing
Returns t if successful."
(interactive)
- (when (comint-match-partial-filename)
+ (when (comint--match-partial-filename)
(unless (window-minibuffer-p (selected-window))
(message "Completing file name..."))
- (comint-dynamic-complete-as-filename)))
+ (let ((data (comint--complete-file-name-data)))
+ (completion-in-region (nth 0 data) (nth 1 data) (nth 2 data)))))
+
+(defun comint-filename-completion ()
+ "Return completion data for filename at point, if any."
+ (when (comint--match-partial-filename)
+ (comint--complete-file-name-data)))
+
+;; FIXME: comint--common-suffix, comint--common-quoted-suffix, and
+;; comint--table-subvert don't fully solve the problem, since
+;; selecting a file from *Completions* won't quote it, among several
+;; other problems.
+
+(defun comint--common-suffix (s1 s2)
+ (assert (not (or (string-match "\n" s1) (string-match "\n" s2))))
+ ;; Since S2 is expected to be the "unquoted/expanded" version of S1,
+ ;; there shouldn't be any case difference, even if the completion is
+ ;; case-insensitive.
+ (let ((case-fold-search nil))
+ (string-match ".*?\\(.*\\)\n.*\\1\\'" (concat s1 "\n" s2))
+ (- (match-end 1) (match-beginning 1))))
+
+(defun comint--common-quoted-suffix (s1 s2)
+ ;; FIXME: Copied in pcomplete.el.
+ "Find the common suffix between S1 and S2 where S1 is the expanded S2.
+S1 is expected to be the unquoted and expanded version of S1.
+Returns (PS1 . PS2), i.e. the shortest prefixes of S1 and S2, such that
+S1 = (concat PS1 SS1) and S2 = (concat PS2 SS2) and
+SS1 = (unquote SS2)."
+ (let* ((cs (comint--common-suffix s1 s2))
+ (ss1 (substring s1 (- (length s1) cs)))
+ (qss1 (comint-quote-filename ss1))
+ qc)
+ (if (and (not (equal ss1 qss1))
+ (setq qc (comint-quote-filename (substring ss1 0 1)))
+ (eq t (compare-strings s2 (- (length s2) cs (length qc) -1)
+ (- (length s2) cs -1)
+ qc nil nil)))
+ ;; The difference found is just that one char is quoted in S2
+ ;; but not in S1, keep looking before this difference.
+ (comint--common-quoted-suffix
+ (substring s1 0 (- (length s1) cs))
+ (substring s2 0 (- (length s2) cs (length qc) -1)))
+ (cons (substring s1 0 (- (length s1) cs))
+ (substring s2 0 (- (length s2) cs))))))
+
+(defun comint--table-subvert (table s1 s2 &optional quote-fun unquote-fun)
+ "Completion table that replaces the prefix S1 with S2 in STRING.
+The result is a completion table which completes strings of the
+form (concat S1 S) in the same way as TABLE completes strings of
+the form (concat S2 S)."
+ (lambda (string pred action)
+ (let* ((str (if (eq t (compare-strings string 0 (length s1) s1 nil nil
+ completion-ignore-case))
+ (let ((rest (substring string (length s1))))
+ (concat s2 (if unquote-fun
+ (funcall unquote-fun rest) rest)))))
+ (res (if str (complete-with-action action table str pred))))
+ (when res
+ (cond
+ ((and (eq (car-safe action) 'boundaries))
+ (let ((beg (or (and (eq (car-safe res) 'boundaries) (cadr res)) 0)))
+ (list* 'boundaries
+ (max (length s1)
+ ;; FIXME: Adjust because of quoting/unquoting.
+ (+ beg (- (length s1) (length s2))))
+ (and (eq (car-safe res) 'boundaries) (cddr res)))))
+ ((stringp res)
+ (if (eq t (compare-strings res 0 (length s2) s2 nil nil
+ completion-ignore-case))
+ (let ((rest (substring res (length s2))))
+ (concat s1 (if quote-fun (funcall quote-fun rest) rest)))))
+ ((eq action t)
+ (let ((bounds (completion-boundaries str table pred "")))
+ (if (>= (car bounds) (length s2))
+ (if quote-fun (mapcar quote-fun res) res)
+ (let ((re (concat "\\`"
+ (regexp-quote (substring s2 (car bounds))))))
+ (delq nil
+ (mapcar (lambda (c)
+ (if (string-match re c)
+ (let ((str (substring c (match-end 0))))
+ (if quote-fun
+ (funcall quote-fun str) str))))
+ res))))))
+ ;; E.g. action=nil and it's the only completion.
+ (res))))))
+
+(defun comint-completion-file-name-table (string pred action)
+ (if (not (file-name-absolute-p string))
+ (completion-file-name-table string pred action)
+ (cond
+ ((memq action '(t lambda))
+ (completion-file-name-table
+ (concat comint-file-name-prefix string) pred action))
+ ((null action)
+ (let ((res (completion-file-name-table
+ (concat comint-file-name-prefix string) pred action)))
+ (if (and (stringp res)
+ (string-match
+ (concat "\\`" (regexp-quote comint-file-name-prefix))
+ res))
+ (substring res (match-end 0))
+ res)))
+ (t (completion-file-name-table string pred action)))))
+
+(defun comint--complete-file-name-data ()
+ "Return the completion data for file name at point."
+ (let* ((filesuffix (cond ((not comint-completion-addsuffix) "")
+ ((stringp comint-completion-addsuffix)
+ comint-completion-addsuffix)
+ ((not (consp comint-completion-addsuffix)) " ")
+ (t (cdr comint-completion-addsuffix))))
+ (filename (comint--match-partial-filename))
+ (filename-beg (if filename (match-beginning 0) (point)))
+ (filename-end (if filename (match-end 0) (point)))
+ (unquoted (if filename (comint--unquote&expand-filename filename) ""))
+ (table
+ (let ((prefixes (comint--common-quoted-suffix
+ unquoted filename)))
+ (comint--table-subvert
+ #'comint-completion-file-name-table
+ (cdr prefixes) (car prefixes)
+ #'comint-quote-filename #'comint-unquote-filename))))
+ (nconc
+ (list
+ filename-beg filename-end
+ (lambda (string pred action)
+ (let ((completion-ignore-case read-file-name-completion-ignore-case)
+ (completion-ignored-extensions comint-completion-fignore))
+ (complete-with-action action table string pred))))
+ (unless (zerop (length filesuffix))
+ (list :exit-function
+ (lambda (_s finished)
+ (when (memq finished '(sole finished))
+ (if (looking-at (regexp-quote filesuffix))
+ (goto-char (match-end 0))
+ (insert filesuffix)))))))))
(defun comint-dynamic-complete-as-filename ()
"Dynamically complete at point as a filename.
See `comint-dynamic-complete-filename'. Returns t if successful."
- (let* ((completion-ignore-case read-file-name-completion-ignore-case)
- (completion-ignored-extensions comint-completion-fignore)
- ;; If we bind this, it breaks remote directory tracking in rlogin.el.
- ;; I think it was originally bound to solve file completion problems,
- ;; but subsequent changes may have made this unnecessary. sm.
- ;;(file-name-handler-alist nil)
- (minibuffer-p (window-minibuffer-p (selected-window)))
- (success t)
- (dirsuffix (cond ((not comint-completion-addsuffix)
- "")
- ((not (consp comint-completion-addsuffix))
- "/")
- (t
- (car comint-completion-addsuffix))))
- (filesuffix (cond ((not comint-completion-addsuffix)
- "")
- ((not (consp comint-completion-addsuffix))
- " ")
- (t
- (cdr comint-completion-addsuffix))))
- (filename (comint-match-partial-filename))
- (filename-beg (if filename (match-beginning 0) (point)))
- (filename-end (if filename (match-end 0) (point)))
- (filename (or filename ""))
- (filedir (file-name-directory filename))
- (filenondir (file-name-nondirectory filename))
- (directory (if filedir (comint-directory filedir) default-directory))
- (completion (file-name-completion filenondir directory)))
- (cond ((null completion)
- (if minibuffer-p
- (minibuffer-message "No completions of %s" filename)
- (message "No completions of %s" filename))
- (setq success nil))
- ((eq completion t) ; Means already completed "file".
- (insert filesuffix)
- (unless minibuffer-p
- (message "Sole completion")))
- ((string-equal completion "") ; Means completion on "directory/".
- (comint-dynamic-list-filename-completions))
- (t ; Completion string returned.
- (let ((file (concat (file-name-as-directory directory) completion)))
- ;; Insert completion. Note that the completion string
- ;; may have a different case than what's in the prompt,
- ;; if read-file-name-completion-ignore-case is non-nil,
- (delete-region filename-beg filename-end)
- (if filedir (insert (comint-quote-filename filedir)))
- (insert (comint-quote-filename (directory-file-name completion)))
- (cond ((symbolp (file-name-completion completion directory))
- ;; We inserted a unique completion.
- (insert (if (file-directory-p file) dirsuffix filesuffix))
- (unless minibuffer-p
- (message "Completed")))
- ((and comint-completion-recexact comint-completion-addsuffix
- (string-equal filenondir completion)
- (file-exists-p file))
- ;; It's not unique, but user wants shortest match.
- (insert (if (file-directory-p file) dirsuffix filesuffix))
- (unless minibuffer-p
- (message "Completed shortest")))
- ((or comint-completion-autolist
- (string-equal filenondir completion))
- ;; It's not unique, list possible completions.
- (comint-dynamic-list-filename-completions))
- (t
- (unless minibuffer-p
- (message "Partially completed")))))))
- success))
-
+ (let ((data (comint--complete-file-name-data)))
+ (completion-in-region (nth 0 data) (nth 1 data) (nth 2 data))))
+(make-obsolete 'comint-dynamic-complete-as-filename
+ 'comint-filename-completion "24.1")
(defun comint-replace-by-expanded-filename ()
"Dynamically expand and complete the filename at point.
(unless minibuffer-p
(message "Partially completed"))
'partial)))))))
+(make-obsolete 'comint-dynamic-simple-complete 'completion-in-region "24.1")
(defun comint-dynamic-list-filename-completions ()
"Display a list of possible completions for the filename at point."
(interactive)
- (let* ((completion-ignore-case read-file-name-completion-ignore-case)
- ;; If we bind this, it breaks remote directory tracking in rlogin.el.
- ;; I think it was originally bound to solve file completion problems,
- ;; but subsequent changes may have made this unnecessary. sm.
- ;;(file-name-handler-alist nil)
- (filename (or (comint-match-partial-filename) ""))
- (filedir (file-name-directory filename))
- (filenondir (file-name-nondirectory filename))
- (directory (if filedir (comint-directory filedir) default-directory))
- (completions (file-name-all-completions filenondir directory)))
- (if (not completions)
- (if (window-minibuffer-p (selected-window))
- (minibuffer-message "No completions of %s" filename)
- (message "No completions of %s" filename))
- (comint-dynamic-list-completions
- (mapcar 'comint-quote-filename completions)
- (comint-quote-filename filenondir)))))
+ (let* ((data (comint--complete-file-name-data))
+ (minibuffer-completion-table (nth 2 data))
+ (minibuffer-completion-predicate nil)
+ (ol (make-overlay (nth 0 data) (nth 1 data) nil nil t)))
+ (overlay-put ol 'field 'completion)
+ (unwind-protect
+ (call-interactively 'minibuffer-completion-help)
+ (delete-overlay ol))))
;; This is bound locally in a *Completions* buffer to the list of
(if (eq first ?\s)
(set-window-configuration comint-dynamic-list-completions-config)
(setq unread-command-events (listify-key-sequence key)))))))
-
\f
(defun comint-get-next-from-history ()
"After fetching a line from input history, this fetches the following line.
:group 'comint
:type 'boolean)
-;; Directly analagous to comint-preoutput-filter-functions
+;; Directly analogous to comint-preoutput-filter-functions
(defvar comint-redirect-filter-functions nil
"List of functions to call before inserting redirected process output.
Each function gets one argument, a string containing the text received
;;
;; For modes that use comint-mode, comint-dynamic-complete-functions is the
;; hook to add completion functions to. Functions on this list should return
-;; non-nil if completion occurs (i.e., further completion should not occur).
-;; You could use comint-dynamic-simple-complete to do the bulk of the
-;; completion job.
+;; the completion data according to the documentation of
+;; `completion-at-point-functions'
\f
(provide 'comint)
-;; arch-tag: 1793314c-09db-40be-9549-9aeae3e75164
;;; comint.el ends here
HCoop / bpt / emacs.git / blobdiff