mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-27 10:54:40 +00:00
368 lines
13 KiB
EmacsLisp
368 lines
13 KiB
EmacsLisp
;;; abbrev.el --- abbrev mode commands for Emacs
|
||
|
||
;; Copyright (C) 1985, 1986, 1987, 1992, 2002, 2003, 2004,
|
||
;; 2005, 2006 Free Software Foundation, Inc.
|
||
|
||
;; Maintainer: FSF
|
||
;; Keywords: abbrev convenience
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs is free software; you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation; either version 2, or (at your option)
|
||
;; any later version.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; GNU General Public License for more details.
|
||
|
||
;; You should have received a copy of the GNU General Public License
|
||
;; along with GNU Emacs; see the file COPYING. If not, write to the
|
||
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||
;; Boston, MA 02110-1301, USA.
|
||
|
||
;;; Commentary:
|
||
|
||
;; This facility is documented in the Emacs Manual.
|
||
|
||
;;; Code:
|
||
|
||
(defcustom only-global-abbrevs nil
|
||
"Non-nil means user plans to use global abbrevs only.
|
||
This makes the commands that normally define mode-specific abbrevs
|
||
define global abbrevs instead."
|
||
:type 'boolean
|
||
:group 'abbrev-mode
|
||
:group 'convenience)
|
||
|
||
(defun abbrev-mode (&optional arg)
|
||
"Toggle Abbrev mode in the current buffer.
|
||
With argument ARG, turn abbrev mode on iff ARG is positive.
|
||
In Abbrev mode, inserting an abbreviation causes it to expand
|
||
and be replaced by its expansion."
|
||
(interactive "P")
|
||
(setq abbrev-mode
|
||
(if (null arg) (not abbrev-mode)
|
||
(> (prefix-numeric-value arg) 0)))
|
||
(force-mode-line-update))
|
||
|
||
(defcustom abbrev-mode nil
|
||
"Enable or disable Abbrev mode.
|
||
Non-nil means automatically expand abbrevs as they are inserted.
|
||
|
||
Setting this variable with `setq' changes it for the current buffer.
|
||
Changing it with \\[customize] sets the default value.
|
||
Interactively, use the command `abbrev-mode'
|
||
to enable or disable Abbrev mode in the current buffer."
|
||
:type 'boolean
|
||
:group 'abbrev-mode)
|
||
;;;###autoload(put 'abbrev-mode 'safe-local-variable 'symbolp)
|
||
|
||
|
||
(defvar edit-abbrevs-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map "\C-x\C-s" 'edit-abbrevs-redefine)
|
||
(define-key map "\C-c\C-c" 'edit-abbrevs-redefine)
|
||
map)
|
||
"Keymap used in `edit-abbrevs'.")
|
||
|
||
(defun kill-all-abbrevs ()
|
||
"Undefine all defined abbrevs."
|
||
(interactive)
|
||
(let ((tables abbrev-table-name-list))
|
||
(while tables
|
||
(clear-abbrev-table (symbol-value (car tables)))
|
||
(setq tables (cdr tables)))))
|
||
|
||
(defun copy-abbrev-table (table)
|
||
"Make a new abbrev-table with the same abbrevs as TABLE."
|
||
(let ((new-table (make-abbrev-table)))
|
||
(mapatoms
|
||
(lambda (symbol)
|
||
(define-abbrev new-table
|
||
(symbol-name symbol)
|
||
(symbol-value symbol)
|
||
(symbol-function symbol)))
|
||
table)
|
||
new-table))
|
||
|
||
(defun insert-abbrevs ()
|
||
"Insert after point a description of all defined abbrevs.
|
||
Mark is set after the inserted text."
|
||
(interactive)
|
||
(push-mark
|
||
(save-excursion
|
||
(let ((tables abbrev-table-name-list))
|
||
(while tables
|
||
(insert-abbrev-table-description (car tables) t)
|
||
(setq tables (cdr tables))))
|
||
(point))))
|
||
|
||
(defun list-abbrevs (&optional local)
|
||
"Display a list of defined abbrevs.
|
||
If LOCAL is non-nil, interactively when invoked with a
|
||
prefix arg, display only local, i.e. mode-specific, abbrevs.
|
||
Otherwise display all abbrevs."
|
||
(interactive "P")
|
||
(display-buffer (prepare-abbrev-list-buffer local)))
|
||
|
||
(defun abbrev-table-name (table)
|
||
"Value is the name of abbrev table TABLE."
|
||
(let ((tables abbrev-table-name-list)
|
||
found)
|
||
(while (and (not found) tables)
|
||
(when (eq (symbol-value (car tables)) table)
|
||
(setq found (car tables)))
|
||
(setq tables (cdr tables)))
|
||
found))
|
||
|
||
(defun prepare-abbrev-list-buffer (&optional local)
|
||
(save-excursion
|
||
(let ((table local-abbrev-table))
|
||
(set-buffer (get-buffer-create "*Abbrevs*"))
|
||
(erase-buffer)
|
||
(if local
|
||
(insert-abbrev-table-description (abbrev-table-name table) t)
|
||
(dolist (table abbrev-table-name-list)
|
||
(insert-abbrev-table-description table t)))
|
||
(goto-char (point-min))
|
||
(set-buffer-modified-p nil)
|
||
(edit-abbrevs-mode)
|
||
(current-buffer))))
|
||
|
||
(defun edit-abbrevs-mode ()
|
||
"Major mode for editing the list of abbrev definitions.
|
||
\\{edit-abbrevs-map}"
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(setq major-mode 'edit-abbrevs-mode)
|
||
(setq mode-name "Edit-Abbrevs")
|
||
(use-local-map edit-abbrevs-map)
|
||
(run-mode-hooks 'edit-abbrevs-mode-hook))
|
||
|
||
(defun edit-abbrevs ()
|
||
"Alter abbrev definitions by editing a list of them.
|
||
Selects a buffer containing a list of abbrev definitions.
|
||
You can edit them and type \\<edit-abbrevs-map>\\[edit-abbrevs-redefine] to redefine abbrevs
|
||
according to your editing.
|
||
Buffer contains a header line for each abbrev table,
|
||
which is the abbrev table name in parentheses.
|
||
This is followed by one line per abbrev in that table:
|
||
NAME USECOUNT EXPANSION HOOK
|
||
where NAME and EXPANSION are strings with quotes,
|
||
USECOUNT is an integer, and HOOK is any valid function
|
||
or may be omitted (it is usually omitted)."
|
||
(interactive)
|
||
(switch-to-buffer (prepare-abbrev-list-buffer)))
|
||
|
||
(defun edit-abbrevs-redefine ()
|
||
"Redefine abbrevs according to current buffer contents."
|
||
(interactive)
|
||
(save-restriction
|
||
(widen)
|
||
(define-abbrevs t)
|
||
(set-buffer-modified-p nil)))
|
||
|
||
(defun define-abbrevs (&optional arg)
|
||
"Define abbrevs according to current visible buffer contents.
|
||
See documentation of `edit-abbrevs' for info on the format of the
|
||
text you must have in the buffer.
|
||
With argument, eliminate all abbrev definitions except
|
||
the ones defined from the buffer now."
|
||
(interactive "P")
|
||
(if arg (kill-all-abbrevs))
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (and (not (eobp)) (re-search-forward "^(" nil t))
|
||
(let* ((buf (current-buffer))
|
||
(table (read buf))
|
||
abbrevs name hook exp count sys)
|
||
(forward-line 1)
|
||
(while (progn (forward-line 1)
|
||
(not (eolp)))
|
||
(setq name (read buf) count (read buf))
|
||
(if (equal count '(sys))
|
||
(setq sys t count (read buf)))
|
||
(setq exp (read buf))
|
||
(skip-chars-backward " \t\n\f")
|
||
(setq hook (if (not (eolp)) (read buf)))
|
||
(skip-chars-backward " \t\n\f")
|
||
(setq abbrevs (cons (list name exp hook count sys) abbrevs)))
|
||
(define-abbrev-table table abbrevs)))))
|
||
|
||
(defun read-abbrev-file (&optional file quietly)
|
||
"Read abbrev definitions from file written with `write-abbrev-file'.
|
||
Optional argument FILE is the name of the file to read;
|
||
it defaults to the value of `abbrev-file-name'.
|
||
Optional second argument QUIETLY non-nil means don't display a message."
|
||
(interactive
|
||
(list
|
||
(read-file-name (format "Read abbrev file (default %s): "
|
||
abbrev-file-name)
|
||
nil abbrev-file-name t)))
|
||
(load (or file abbrev-file-name) nil quietly)
|
||
(setq abbrevs-changed nil))
|
||
|
||
(defun quietly-read-abbrev-file (&optional file)
|
||
"Read abbrev definitions from file written with `write-abbrev-file'.
|
||
Optional argument FILE is the name of the file to read;
|
||
it defaults to the value of `abbrev-file-name'.
|
||
Does not display any message."
|
||
;(interactive "fRead abbrev file: ")
|
||
(read-abbrev-file file t))
|
||
|
||
(defun write-abbrev-file (&optional file)
|
||
"Write all user-level abbrev definitions to a file of Lisp code.
|
||
This does not include system abbrevs; it includes only the abbrev tables
|
||
listed in listed in `abbrev-table-name-list'.
|
||
The file written can be loaded in another session to define the same abbrevs.
|
||
The argument FILE is the file name to write. If omitted or nil, the file
|
||
specified in `abbrev-file-name' is used."
|
||
(interactive
|
||
(list
|
||
(read-file-name "Write abbrev file: "
|
||
(file-name-directory (expand-file-name abbrev-file-name))
|
||
abbrev-file-name)))
|
||
(or (and file (> (length file) 0))
|
||
(setq file abbrev-file-name))
|
||
(let ((coding-system-for-write 'emacs-mule))
|
||
(with-temp-file file
|
||
(insert ";;-*-coding: emacs-mule;-*-\n")
|
||
(dolist (table
|
||
;; We sort the table in order to ease the automatic
|
||
;; merging of different versions of the user's abbrevs
|
||
;; file. This is useful, for example, for when the
|
||
;; user keeps their home directory in a revision
|
||
;; control system, and is therefore keeping multiple
|
||
;; slightly-differing copies loosely synchronized.
|
||
(sort (copy-sequence abbrev-table-name-list)
|
||
(lambda (s1 s2)
|
||
(string< (symbol-name s1)
|
||
(symbol-name s2)))))
|
||
(insert-abbrev-table-description table nil)))))
|
||
|
||
(defun add-mode-abbrev (arg)
|
||
"Define mode-specific abbrev for last word(s) before point.
|
||
Argument is how many words before point form the expansion;
|
||
or zero means the region is the expansion.
|
||
A negative argument means to undefine the specified abbrev.
|
||
Reads the abbreviation in the minibuffer.
|
||
|
||
Don't use this function in a Lisp program; use `define-abbrev' instead."
|
||
(interactive "p")
|
||
(add-abbrev
|
||
(if only-global-abbrevs
|
||
global-abbrev-table
|
||
(or local-abbrev-table
|
||
(error "No per-mode abbrev table")))
|
||
"Mode" arg))
|
||
|
||
(defun add-global-abbrev (arg)
|
||
"Define global (all modes) abbrev for last word(s) before point.
|
||
The prefix argument specifies the number of words before point that form the
|
||
expansion; or zero means the region is the expansion.
|
||
A negative argument means to undefine the specified abbrev.
|
||
This command uses the minibuffer to read the abbreviation.
|
||
|
||
Don't use this function in a Lisp program; use `define-abbrev' instead."
|
||
(interactive "p")
|
||
(add-abbrev global-abbrev-table "Global" arg))
|
||
|
||
(defun add-abbrev (table type arg)
|
||
(let ((exp (and (>= arg 0)
|
||
(buffer-substring-no-properties
|
||
(point)
|
||
(if (= arg 0) (mark)
|
||
(save-excursion (forward-word (- arg)) (point))))))
|
||
name)
|
||
(setq name
|
||
(read-string (format (if exp "%s abbrev for \"%s\": "
|
||
"Undefine %s abbrev: ")
|
||
type exp)))
|
||
(set-text-properties 0 (length name) nil name)
|
||
(if (or (null exp)
|
||
(not (abbrev-expansion name table))
|
||
(y-or-n-p (format "%s expands to \"%s\"; redefine? "
|
||
name (abbrev-expansion name table))))
|
||
(define-abbrev table (downcase name) exp))))
|
||
|
||
(defun inverse-add-mode-abbrev (n)
|
||
"Define last word before point as a mode-specific abbrev.
|
||
With prefix argument N, defines the Nth word before point.
|
||
This command uses the minibuffer to read the expansion.
|
||
Expands the abbreviation after defining it."
|
||
(interactive "p")
|
||
(inverse-add-abbrev
|
||
(if only-global-abbrevs
|
||
global-abbrev-table
|
||
(or local-abbrev-table
|
||
(error "No per-mode abbrev table")))
|
||
"Mode" n))
|
||
|
||
(defun inverse-add-global-abbrev (n)
|
||
"Define last word before point as a global (mode-independent) abbrev.
|
||
With prefix argument N, defines the Nth word before point.
|
||
This command uses the minibuffer to read the expansion.
|
||
Expands the abbreviation after defining it."
|
||
(interactive "p")
|
||
(inverse-add-abbrev global-abbrev-table "Global" n))
|
||
|
||
(defun inverse-add-abbrev (table type arg)
|
||
(let (name exp start end)
|
||
(save-excursion
|
||
(forward-word (1+ (- arg)))
|
||
(setq end (point))
|
||
(backward-word 1)
|
||
(setq start (point)
|
||
name (buffer-substring-no-properties start end)))
|
||
|
||
(setq exp (read-string (format "%s expansion for \"%s\": " type name)
|
||
nil nil nil t))
|
||
(when (or (not (abbrev-expansion name table))
|
||
(y-or-n-p (format "%s expands to \"%s\"; redefine? "
|
||
name (abbrev-expansion name table))))
|
||
(define-abbrev table (downcase name) exp)
|
||
(save-excursion
|
||
(goto-char end)
|
||
(expand-abbrev)))))
|
||
|
||
(defun abbrev-prefix-mark (&optional arg)
|
||
"Mark current point as the beginning of an abbrev.
|
||
Abbrev to be expanded starts here rather than at beginning of word.
|
||
This way, you can expand an abbrev with a prefix: insert the prefix,
|
||
use this command, then insert the abbrev. This command inserts a
|
||
temporary hyphen after the prefix \(until the intended abbrev
|
||
expansion occurs).
|
||
If the prefix is itself an abbrev, this command expands it, unless
|
||
ARG is non-nil. Interactively, ARG is the prefix argument."
|
||
(interactive "P")
|
||
(or arg (expand-abbrev))
|
||
(setq abbrev-start-location (point-marker)
|
||
abbrev-start-location-buffer (current-buffer))
|
||
(insert "-"))
|
||
|
||
(defun expand-region-abbrevs (start end &optional noquery)
|
||
"For abbrev occurrence in the region, offer to expand it.
|
||
The user is asked to type `y' or `n' for each occurrence.
|
||
A prefix argument means don't query; expand all abbrevs."
|
||
(interactive "r\nP")
|
||
(save-excursion
|
||
(goto-char start)
|
||
(let ((lim (- (point-max) end))
|
||
pnt string)
|
||
(while (and (not (eobp))
|
||
(progn (forward-word 1)
|
||
(<= (setq pnt (point)) (- (point-max) lim))))
|
||
(if (abbrev-expansion
|
||
(setq string
|
||
(buffer-substring-no-properties
|
||
(save-excursion (forward-word -1) (point))
|
||
pnt)))
|
||
(if (or noquery (y-or-n-p (format "Expand `%s'? " string)))
|
||
(expand-abbrev)))))))
|
||
|
||
;; arch-tag: dbd6f3ae-dfe3-40ba-b00f-f9e3ff960df5
|
||
;;; abbrev.el ends here
|