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370 lines
13 KiB
EmacsLisp
370 lines
13 KiB
EmacsLisp
;;; abbrev.el --- abbrev mode commands for Emacs
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;; Copyright (C) 1985, 1986, 1987, 1992, 2001, 2002, 2003, 2004,
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;; 2005, 2006, 2007 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: abbrev convenience
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This facility is documented in the Emacs Manual.
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;;; Code:
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(defcustom only-global-abbrevs nil
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"Non-nil means user plans to use global abbrevs only.
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This makes the commands that normally define mode-specific abbrevs
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define global abbrevs instead."
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:type 'boolean
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:group 'abbrev-mode
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:group 'convenience)
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(defun abbrev-mode (&optional arg)
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"Toggle Abbrev mode in the current buffer.
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With optional argument ARG, turn abbrev mode on if ARG is
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positive, otherwise turn it off. In Abbrev mode, inserting an
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abbreviation causes it to expand and be replaced by its expansion."
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(interactive "P")
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(setq abbrev-mode
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(if (null arg) (not abbrev-mode)
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(> (prefix-numeric-value arg) 0)))
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(force-mode-line-update))
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(defcustom abbrev-mode nil
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"Enable or disable Abbrev mode.
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Non-nil means automatically expand abbrevs as they are inserted.
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Setting this variable with `setq' changes it for the current buffer.
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Changing it with \\[customize] sets the default value.
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Interactively, use the command `abbrev-mode'
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to enable or disable Abbrev mode in the current buffer."
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:type 'boolean
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:group 'abbrev-mode)
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;;;###autoload(put 'abbrev-mode 'safe-local-variable 'booleanp)
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(defvar edit-abbrevs-map
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(let ((map (make-sparse-keymap)))
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(define-key map "\C-x\C-s" 'edit-abbrevs-redefine)
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(define-key map "\C-c\C-c" 'edit-abbrevs-redefine)
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map)
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"Keymap used in `edit-abbrevs'.")
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(defun kill-all-abbrevs ()
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"Undefine all defined abbrevs."
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(interactive)
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(let ((tables abbrev-table-name-list))
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(while tables
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(clear-abbrev-table (symbol-value (car tables)))
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(setq tables (cdr tables)))))
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(defun copy-abbrev-table (table)
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"Make a new abbrev-table with the same abbrevs as TABLE."
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(let ((new-table (make-abbrev-table)))
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(mapatoms
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(lambda (symbol)
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(define-abbrev new-table
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(symbol-name symbol)
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(symbol-value symbol)
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(symbol-function symbol)))
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table)
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new-table))
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(defun insert-abbrevs ()
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"Insert after point a description of all defined abbrevs.
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Mark is set after the inserted text."
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(interactive)
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(push-mark
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(save-excursion
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(let ((tables abbrev-table-name-list))
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(while tables
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(insert-abbrev-table-description (car tables) t)
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(setq tables (cdr tables))))
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(point))))
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(defun list-abbrevs (&optional local)
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"Display a list of defined abbrevs.
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If LOCAL is non-nil, interactively when invoked with a
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prefix arg, display only local, i.e. mode-specific, abbrevs.
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Otherwise display all abbrevs."
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(interactive "P")
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(display-buffer (prepare-abbrev-list-buffer local)))
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(defun abbrev-table-name (table)
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"Value is the name of abbrev table TABLE."
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(let ((tables abbrev-table-name-list)
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found)
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(while (and (not found) tables)
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(when (eq (symbol-value (car tables)) table)
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(setq found (car tables)))
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(setq tables (cdr tables)))
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found))
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(defun prepare-abbrev-list-buffer (&optional local)
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(save-excursion
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(let ((table local-abbrev-table))
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(set-buffer (get-buffer-create "*Abbrevs*"))
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(erase-buffer)
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(if local
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(insert-abbrev-table-description (abbrev-table-name table) t)
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(dolist (table abbrev-table-name-list)
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(insert-abbrev-table-description table t)))
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(goto-char (point-min))
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(set-buffer-modified-p nil)
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(edit-abbrevs-mode)
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(current-buffer))))
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(defun edit-abbrevs-mode ()
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"Major mode for editing the list of abbrev definitions.
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\\{edit-abbrevs-map}"
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(interactive)
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(kill-all-local-variables)
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(setq major-mode 'edit-abbrevs-mode)
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(setq mode-name "Edit-Abbrevs")
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(use-local-map edit-abbrevs-map)
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(run-mode-hooks 'edit-abbrevs-mode-hook))
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(defun edit-abbrevs ()
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"Alter abbrev definitions by editing a list of them.
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Selects a buffer containing a list of abbrev definitions.
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You can edit them and type \\<edit-abbrevs-map>\\[edit-abbrevs-redefine] to redefine abbrevs
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according to your editing.
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Buffer contains a header line for each abbrev table,
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which is the abbrev table name in parentheses.
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This is followed by one line per abbrev in that table:
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NAME USECOUNT EXPANSION HOOK
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where NAME and EXPANSION are strings with quotes,
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USECOUNT is an integer, and HOOK is any valid function
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or may be omitted (it is usually omitted)."
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(interactive)
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(switch-to-buffer (prepare-abbrev-list-buffer)))
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(defun edit-abbrevs-redefine ()
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"Redefine abbrevs according to current buffer contents."
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(interactive)
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(save-restriction
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(widen)
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(define-abbrevs t)
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(set-buffer-modified-p nil)))
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(defun define-abbrevs (&optional arg)
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"Define abbrevs according to current visible buffer contents.
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See documentation of `edit-abbrevs' for info on the format of the
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text you must have in the buffer.
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With argument, eliminate all abbrev definitions except
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the ones defined from the buffer now."
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(interactive "P")
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(if arg (kill-all-abbrevs))
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(save-excursion
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(goto-char (point-min))
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(while (and (not (eobp)) (re-search-forward "^(" nil t))
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(let* ((buf (current-buffer))
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(table (read buf))
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abbrevs name hook exp count sys)
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(forward-line 1)
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(while (progn (forward-line 1)
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(not (eolp)))
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(setq name (read buf) count (read buf))
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(if (equal count '(sys))
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(setq sys t count (read buf)))
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(setq exp (read buf))
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(skip-chars-backward " \t\n\f")
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(setq hook (if (not (eolp)) (read buf)))
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(skip-chars-backward " \t\n\f")
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(setq abbrevs (cons (list name exp hook count sys) abbrevs)))
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(define-abbrev-table table abbrevs)))))
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(defun read-abbrev-file (&optional file quietly)
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"Read abbrev definitions from file written with `write-abbrev-file'.
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Optional argument FILE is the name of the file to read;
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it defaults to the value of `abbrev-file-name'.
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Optional second argument QUIETLY non-nil means don't display a message."
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(interactive
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(list
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(read-file-name (format "Read abbrev file (default %s): "
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abbrev-file-name)
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nil abbrev-file-name t)))
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(load (or file abbrev-file-name) nil quietly)
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(setq abbrevs-changed nil))
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(defun quietly-read-abbrev-file (&optional file)
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"Read abbrev definitions from file written with `write-abbrev-file'.
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Optional argument FILE is the name of the file to read;
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it defaults to the value of `abbrev-file-name'.
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Does not display any message."
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;(interactive "fRead abbrev file: ")
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(read-abbrev-file file t))
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(defun write-abbrev-file (&optional file)
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"Write all user-level abbrev definitions to a file of Lisp code.
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This does not include system abbrevs; it includes only the abbrev tables
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listed in listed in `abbrev-table-name-list'.
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The file written can be loaded in another session to define the same abbrevs.
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The argument FILE is the file name to write. If omitted or nil, the file
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specified in `abbrev-file-name' is used."
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(interactive
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(list
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(read-file-name "Write abbrev file: "
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(file-name-directory (expand-file-name abbrev-file-name))
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abbrev-file-name)))
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(or (and file (> (length file) 0))
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(setq file abbrev-file-name))
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(let ((coding-system-for-write 'emacs-mule))
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(with-temp-file file
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(insert ";;-*-coding: emacs-mule;-*-\n")
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(dolist (table
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;; We sort the table in order to ease the automatic
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;; merging of different versions of the user's abbrevs
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;; file. This is useful, for example, for when the
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;; user keeps their home directory in a revision
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;; control system, and is therefore keeping multiple
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;; slightly-differing copies loosely synchronized.
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(sort (copy-sequence abbrev-table-name-list)
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(lambda (s1 s2)
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(string< (symbol-name s1)
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(symbol-name s2)))))
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(insert-abbrev-table-description table nil)))))
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(defun add-mode-abbrev (arg)
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"Define mode-specific abbrev for last word(s) before point.
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Argument is how many words before point form the expansion;
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or zero means the region is the expansion.
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A negative argument means to undefine the specified abbrev.
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Reads the abbreviation in the minibuffer.
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Don't use this function in a Lisp program; use `define-abbrev' instead."
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(interactive "p")
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(add-abbrev
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(if only-global-abbrevs
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global-abbrev-table
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(or local-abbrev-table
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(error "No per-mode abbrev table")))
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"Mode" arg))
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(defun add-global-abbrev (arg)
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"Define global (all modes) abbrev for last word(s) before point.
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The prefix argument specifies the number of words before point that form the
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expansion; or zero means the region is the expansion.
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A negative argument means to undefine the specified abbrev.
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This command uses the minibuffer to read the abbreviation.
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Don't use this function in a Lisp program; use `define-abbrev' instead."
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(interactive "p")
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(add-abbrev global-abbrev-table "Global" arg))
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(defun add-abbrev (table type arg)
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(let ((exp (and (>= arg 0)
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(buffer-substring-no-properties
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(point)
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(if (= arg 0) (mark)
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(save-excursion (forward-word (- arg)) (point))))))
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name)
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(setq name
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(read-string (format (if exp "%s abbrev for \"%s\": "
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"Undefine %s abbrev: ")
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type exp)))
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(set-text-properties 0 (length name) nil name)
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(if (or (null exp)
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(not (abbrev-expansion name table))
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(y-or-n-p (format "%s expands to \"%s\"; redefine? "
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name (abbrev-expansion name table))))
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(define-abbrev table (downcase name) exp))))
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(defun inverse-add-mode-abbrev (n)
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"Define last word before point as a mode-specific abbrev.
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With prefix argument N, defines the Nth word before point.
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This command uses the minibuffer to read the expansion.
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Expands the abbreviation after defining it."
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(interactive "p")
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(inverse-add-abbrev
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(if only-global-abbrevs
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global-abbrev-table
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(or local-abbrev-table
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(error "No per-mode abbrev table")))
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"Mode" n))
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(defun inverse-add-global-abbrev (n)
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"Define last word before point as a global (mode-independent) abbrev.
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With prefix argument N, defines the Nth word before point.
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This command uses the minibuffer to read the expansion.
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Expands the abbreviation after defining it."
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(interactive "p")
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(inverse-add-abbrev global-abbrev-table "Global" n))
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(defun inverse-add-abbrev (table type arg)
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(let (name exp start end)
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(save-excursion
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(forward-word (1+ (- arg)))
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(setq end (point))
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(backward-word 1)
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(setq start (point)
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name (buffer-substring-no-properties start end)))
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(setq exp (read-string (format "%s expansion for \"%s\": " type name)
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nil nil nil t))
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(when (or (not (abbrev-expansion name table))
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(y-or-n-p (format "%s expands to \"%s\"; redefine? "
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name (abbrev-expansion name table))))
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(define-abbrev table (downcase name) exp)
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(save-excursion
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(goto-char end)
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(expand-abbrev)))))
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(defun abbrev-prefix-mark (&optional arg)
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"Mark current point as the beginning of an abbrev.
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Abbrev to be expanded starts here rather than at beginning of word.
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This way, you can expand an abbrev with a prefix: insert the prefix,
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use this command, then insert the abbrev. This command inserts a
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temporary hyphen after the prefix \(until the intended abbrev
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expansion occurs).
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If the prefix is itself an abbrev, this command expands it, unless
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ARG is non-nil. Interactively, ARG is the prefix argument."
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(interactive "P")
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(or arg (expand-abbrev))
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(setq abbrev-start-location (point-marker)
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abbrev-start-location-buffer (current-buffer))
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(insert "-"))
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(defun expand-region-abbrevs (start end &optional noquery)
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"For abbrev occurrence in the region, offer to expand it.
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The user is asked to type `y' or `n' for each occurrence.
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A prefix argument means don't query; expand all abbrevs."
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(interactive "r\nP")
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(save-excursion
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(goto-char start)
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(let ((lim (- (point-max) end))
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pnt string)
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(while (and (not (eobp))
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(progn (forward-word 1)
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(<= (setq pnt (point)) (- (point-max) lim))))
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(if (abbrev-expansion
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(setq string
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(buffer-substring-no-properties
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(save-excursion (forward-word -1) (point))
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pnt)))
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(if (or noquery (y-or-n-p (format "Expand `%s'? " string)))
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(expand-abbrev)))))))
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(provide 'abbrev)
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;; arch-tag: dbd6f3ae-dfe3-40ba-b00f-f9e3ff960df5
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;;; abbrev.el ends here
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