-;;; abbrev.el --- abbrev mode commands for Emacs
+;;; abbrev.el --- abbrev mode commands for Emacs -*- lexical-binding: t -*-
-;; Copyright (C) 1985, 1986, 1987, 1992, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+;; Copyright (C) 1985-1987, 1992, 2001-2011 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: abbrev convenience
+;; Package: emacs
;; This file is part of GNU Emacs.
"Toggle Abbrev mode in the current buffer.
With optional argument ARG, turn abbrev mode on if ARG is
positive, otherwise turn it off. In Abbrev mode, inserting an
-abbreviation causes it to expand and be replaced by its expansion.")
+abbreviation causes it to expand and be replaced by its expansion."
+ ;; It's defined in C, this stops the d-m-m macro defining it again.
+ :variable abbrev-mode)
-(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)
(put 'abbrev-mode 'safe-local-variable 'booleanp)
\f
(defvar edit-abbrevs-map
(let ((map (make-sparse-keymap)))
- (define-key map "\C-x\C-s" 'edit-abbrevs-redefine)
+ (define-key map "\C-x\C-s" 'abbrev-edit-save-buffer)
+ (define-key map "\C-x\C-w" 'abbrev-edit-save-to-file)
(define-key map "\C-c\C-c" 'edit-abbrevs-redefine)
map)
"Keymap used in `edit-abbrevs'.")
found))
(defun prepare-abbrev-list-buffer (&optional local)
- (with-current-buffer (get-buffer-create "*Abbrevs*")
- (erase-buffer)
- (if local
- (insert-abbrev-table-description
- (abbrev-table-name local-abbrev-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)))
+ (let ((local-table local-abbrev-table))
+ (with-current-buffer (get-buffer-create "*Abbrevs*")
+ (erase-buffer)
+ (if local
+ (insert-abbrev-table-description
+ (abbrev-table-name local-table) t)
+ (let (empty-tables)
+ (dolist (table abbrev-table-name-list)
+ (if (abbrev-table-empty-p (symbol-value table))
+ (push table empty-tables)
+ (insert-abbrev-table-description table t)))
+ (dolist (table (nreverse empty-tables))
+ (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.
;(interactive "fRead abbrev file: ")
(read-abbrev-file file t))
-(defun write-abbrev-file (&optional file)
+(defun write-abbrev-file (&optional file verbose)
"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."
+specified in `abbrev-file-name' is used.
+If VERBOSE is non-nil, display a message indicating where abbrevs
+have been saved."
(interactive
(list
(read-file-name "Write abbrev file: "
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")
+ (let ((coding-system-for-write 'utf-8))
+ (with-temp-buffer
(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)))))
+ ;; 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))
+ (when (unencodable-char-position (point-min) (point-max) 'utf-8)
+ (setq coding-system-for-write
+ (if (> emacs-major-version 24)
+ 'utf-8-emacs
+ ;; For compatibility with Emacs 22 (See Bug#8308)
+ 'emacs-mule)))
+ (goto-char (point-min))
+ (insert (format ";;-*-coding: %s;-*-\n" coding-system-for-write))
+ (write-region nil nil file nil (and (not verbose) 0)))))
+
+(defun abbrev-edit-save-to-file (file)
+ "Save all user-level abbrev definitions in current buffer to FILE."
+ (interactive
+ (list (read-file-name "Save abbrevs to file: "
+ (file-name-directory
+ (expand-file-name abbrev-file-name))
+ abbrev-file-name)))
+ (edit-abbrevs-redefine)
+ (write-abbrev-file file t))
+
+(defun abbrev-edit-save-buffer ()
+ "Save all user-level abbrev definitions in current buffer.
+The saved abbrevs are written to the file specified by
+`abbrev-file-name'."
+ (interactive)
+ (abbrev-edit-save-to-file abbrev-file-name))
+
\f
(defun add-mode-abbrev (arg)
"Define mode-specific abbrev for last word(s) before point.
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
+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."
\(fn ABBREV PROP VAL)")
-(defmacro abbrev-with-wrapper-hook (var &rest body)
- "Run BODY wrapped with the VAR hook.
-VAR is a special hook: its functions are called with one argument which
-is the \"original\" code (the BODY), so the hook function can wrap the
-original function, can call it several times, or even not call it at all.
-VAR is normally a symbol (a variable) in which case it is treated like a hook,
-with a buffer-local and a global part. But it can also be an arbitrary expression.
-This is similar to an `around' advice."
- (declare (indent 1) (debug t))
- ;; We need those two gensyms because CL's lexical scoping is not available
- ;; for function arguments :-(
- (let ((funs (make-symbol "funs"))
- (global (make-symbol "global")))
- ;; Since the hook is a wrapper, the loop has to be done via
- ;; recursion: a given hook function will call its parameter in order to
- ;; continue looping.
- `(labels ((runrestofhook (,funs ,global)
- ;; `funs' holds the functions left on the hook and `global'
- ;; holds the functions left on the global part of the hook
- ;; (in case the hook is local).
- (lexical-let ((funs ,funs)
- (global ,global))
- (if (consp funs)
- (if (eq t (car funs))
- (runrestofhook (append global (cdr funs)) nil)
- (funcall (car funs)
- (lambda () (runrestofhook (cdr funs) global))))
- ;; Once there are no more functions on the hook, run
- ;; the original body.
- ,@body))))
- (runrestofhook ,var
- ;; The global part of the hook, if any.
- ,(if (symbolp var)
- `(if (local-variable-p ',var)
- (default-value ',var)))))))
-
-
;;; Code that used to be implemented in src/abbrev.c
(defvar abbrev-table-name-list '(fundamental-mode-abbrev-table
(and (vectorp object)
(numberp (abbrev-table-get object :abbrev-table-modiff))))
+(defun abbrev-table-empty-p (object &optional ignore-system)
+ "Return nil if there are no abbrev symbols in OBJECT.
+If IGNORE-SYSTEM is non-nil, system definitions are ignored."
+ (unless (abbrev-table-p object)
+ (error "Non abbrev table object"))
+ (not (catch 'some
+ (mapatoms (lambda (abbrev)
+ (unless (or (zerop (length (symbol-name abbrev)))
+ (and ignore-system
+ (abbrev-get abbrev :system)))
+ (throw 'some t)))
+ object))))
+
(defvar global-abbrev-table (make-abbrev-table)
"The abbrev table whose abbrevs affect all buffers.
Each buffer may also have a local abbrev table.
(defvar last-abbrev-text nil
"The exact text of the last abbrev expanded.
-nil if the abbrev has already been unexpanded.")
+It is nil if the abbrev has already been unexpanded.")
(defvar last-abbrev-location 0
"The location of the start of the last abbrev expanded.")
(setq tables (append (abbrev-table-get table :parents) tables))
(setq res
(and (or (not enable-fun) (funcall enable-fun))
- (looking-back (or (abbrev-table-get table :regexp)
- "\\<\\(\\w+\\)\\W*")
- (line-beginning-position))
- (setq start (match-beginning 1))
- (setq end (match-end 1))
+ (let ((re (abbrev-table-get table :regexp)))
+ (if (null re)
+ ;; We used to default `re' to "\\<\\(\\w+\\)\\W*"
+ ;; but when words-include-escapes is set, that
+ ;; is not right and fixing it is boring.
+ (let ((lim (point)))
+ (backward-word 1)
+ (setq start (point))
+ (forward-word 1)
+ (setq end (min (point) lim)))
+ (when (looking-back re (line-beginning-position))
+ (setq start (match-beginning 1))
+ (setq end (match-end 1)))))
(setq name (buffer-substring start end))
(let ((abbrev (abbrev-symbol name table)))
(when abbrev
Returns the abbrev symbol, if expansion took place."
(interactive)
(run-hooks 'pre-abbrev-expand-hook)
- (abbrev-with-wrapper-hook abbrev-expand-functions
+ (with-wrapper-hook abbrev-expand-functions ()
(destructuring-bind (&optional sym name wordstart wordend)
(abbrev--before-point)
(when sym
- (let ((value sym))
- (unless (or ;; executing-kbd-macro
- noninteractive
- (window-minibuffer-p (selected-window)))
- ;; Add an undo boundary, in case we are doing this for
- ;; a self-inserting command which has avoided making one so far.
- (undo-boundary))
- ;; Now sym is the abbrev symbol.
- (setq last-abbrev-text name)
- (setq last-abbrev sym)
- (setq last-abbrev-location wordstart)
- ;; If this abbrev has an expansion, delete the abbrev
- ;; and insert the expansion.
- (abbrev-insert sym name wordstart wordend))))))
+ (unless (or ;; executing-kbd-macro
+ noninteractive
+ (window-minibuffer-p (selected-window)))
+ ;; Add an undo boundary, in case we are doing this for
+ ;; a self-inserting command which has avoided making one so far.
+ (undo-boundary))
+ ;; Now sym is the abbrev symbol.
+ (setq last-abbrev-text name)
+ (setq last-abbrev sym)
+ (setq last-abbrev-location wordstart)
+ ;; If this abbrev has an expansion, delete the abbrev
+ ;; and insert the expansion.
+ (abbrev-insert sym name wordstart wordend)))))
(defun unexpand-abbrev ()
"Undo the expansion of the last abbrev that expanded.
(provide 'abbrev)
-;; arch-tag: dbd6f3ae-dfe3-40ba-b00f-f9e3ff960df5
;;; abbrev.el ends here
HCoop / bpt / emacs.git / blobdiff