;;; abbrev.el --- abbrev mode commands for Emacs -*- lexical-binding: t -*-
-;; Copyright (C) 1985-1987, 1992, 2001-2013 Free Software Foundation,
+;; Copyright (C) 1985-1987, 1992, 2001-2014 Free Software Foundation,
;; Inc.
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
;; Keywords: abbrev convenience
;; Package: emacs
(put 'abbrev-mode 'safe-local-variable 'booleanp)
\f
-(defvar edit-abbrevs-map
+(defvar edit-abbrevs-mode-map
(let ((map (make-sparse-keymap)))
(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'.")
+(define-obsolete-variable-alias 'edit-abbrevs-map
+ 'edit-abbrevs-mode-map "24.4")
(defun kill-all-abbrevs ()
"Undefine all defined abbrevs."
(set-buffer-modified-p nil)
(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 with
\(fn ABBREV PROP)")
(defalias 'abbrev-put 'put
- "Set the property PROP of abbrev ABREV to value VAL.
+ "Set the property PROP of abbrev ABBREV to value VAL.
See `define-abbrev' for the effect of some special properties.
\(fn ABBREV PROP VAL)")
the current abbrev table before abbrev lookup happens."
:type 'hook
:group 'abbrev-mode)
-(make-obsolete-variable 'pre-abbrev-expand-hook 'abbrev-expand-functions "23.1")
+(make-obsolete-variable 'pre-abbrev-expand-hook 'abbrev-expand-function "23.1")
(defun clear-abbrev-table (table)
"Undefine all abbrevs in abbrev table TABLE, leaving it empty."
(boundp sym) (symbol-value sym)
(not (abbrev-get sym :system)))
(unless (or system-flag
- (and (boundp sym) (fboundp sym)
+ (and (boundp sym)
;; load-file-name
(equal (symbol-value sym) expansion)
(equal (symbol-function sym) hook)))
"Check if the characters in ABBREV have word syntax in either the
current (if global is nil) or standard syntax table."
(with-syntax-table
- (cond ((null global) (standard-syntax-table))
+ (cond ((null global) (syntax-table))
;; ((syntax-table-p global) global)
- (t (syntax-table)))
+ (t (standard-syntax-table)))
(when (string-match "\\W" abbrev)
(let ((badchars ())
(pos 0))
tables))))
+(defun abbrev--symbol (abbrev table)
+ "Return the symbol representing abbrev named ABBREV in TABLE.
+This symbol's name is ABBREV, but it is not the canonical symbol of that name;
+it is interned in the abbrev-table TABLE rather than the normal obarray.
+The value is nil if that abbrev is not defined."
+ (let* ((case-fold (not (abbrev-table-get table :case-fixed)))
+ ;; In case the table doesn't set :case-fixed but some of the
+ ;; abbrevs do, we have to be careful.
+ (sym
+ ;; First try without case-folding.
+ (or (intern-soft abbrev table)
+ (when case-fold
+ ;; We didn't find any abbrev, try case-folding.
+ (let ((sym (intern-soft (downcase abbrev) table)))
+ ;; Only use it if it doesn't require :case-fixed.
+ (and sym (not (abbrev-get sym :case-fixed))
+ sym))))))
+ (if (symbol-value sym)
+ sym)))
+
(defun abbrev-symbol (abbrev &optional table)
"Return the symbol representing abbrev named ABBREV.
This symbol's name is ABBREV, but it is not the canonical symbol of that name;
The default is to try buffer's mode-specific abbrev table, then global table."
(let ((tables (abbrev--active-tables table))
sym)
- (while (and tables (not (symbol-value sym)))
- (let* ((table (pop tables))
- (case-fold (not (abbrev-table-get table :case-fixed))))
+ (while (and tables (not sym))
+ (let* ((table (pop tables)))
(setq tables (append (abbrev-table-get table :parents) tables))
- ;; In case the table doesn't set :case-fixed but some of the
- ;; abbrevs do, we have to be careful.
- (setq sym
- ;; First try without case-folding.
- (or (intern-soft abbrev table)
- (when case-fold
- ;; We didn't find any abbrev, try case-folding.
- (let ((sym (intern-soft (downcase abbrev) table)))
- ;; Only use it if it doesn't require :case-fixed.
- (and sym (not (abbrev-get sym :case-fixed))
- sym)))))))
- (if (symbol-value sym)
- sym)))
+ (setq sym (abbrev--symbol abbrev table))))
+ sym))
(defun abbrev-expansion (abbrev &optional table)
(setq start (match-beginning 1))
(setq end (match-end 1)))))
(setq name (buffer-substring start end))
- (let ((abbrev (abbrev-symbol name table)))
+ (let ((abbrev (abbrev--symbol name table)))
(when abbrev
(setq enable-fun (abbrev-get abbrev :enable-function))
(and (or (not enable-fun) (funcall enable-fun))
value))
(defvar abbrev-expand-functions nil
- "Wrapper hook around `expand-abbrev'.
-The functions on this special hook are called with one argument:
-a function that performs the abbrev expansion. It should return
-the abbrev symbol if expansion took place.")
+ "Wrapper hook around `abbrev--default-expand'.")
+(make-obsolete-variable 'abbrev-expand-functions 'abbrev-expand-function "24.4")
+
+(defvar abbrev-expand-function #'abbrev--default-expand
+ "Function that `expand-abbrev' uses to perform abbrev expansion.
+Takes no argument and should return the abbrev symbol if expansion took place.")
(defun expand-abbrev ()
"Expand the abbrev before point, if there is an abbrev there.
Effective when explicitly called even when `abbrev-mode' is nil.
-Returns the abbrev symbol, if expansion took place. (The actual
-return value is that of `abbrev-insert'.)"
+Before doing anything else, runs `pre-abbrev-expand-hook'.
+Calls `abbrev-expand-function' with no argument to do the work,
+and returns whatever it does. (This should be the abbrev symbol
+if expansion occurred, else nil.)"
(interactive)
(run-hooks 'pre-abbrev-expand-hook)
+ (funcall abbrev-expand-function))
+
+(defun abbrev--default-expand ()
+ "Default function to use for `abbrev-expand-function'.
+This respects the wrapper hook `abbrev-expand-functions'.
+Calls `abbrev-insert' to insert any expansion, and returns what it does."
(with-wrapper-hook abbrev-expand-functions ()
(pcase-let ((`(,sym ,name ,wordstart ,wordend) (abbrev--before-point)))
(when sym
(endmark (copy-marker wordend t)))
(unless (or ;; executing-kbd-macro
noninteractive
- (window-minibuffer-p (selected-window)))
+ (window-minibuffer-p))
;; Add an undo boundary, in case we are doing this for
;; a self-inserting command which has avoided making one so far.
(undo-boundary))
(sort entries (lambda (x y)
(funcall sortfun (nth 2 x) (nth 2 y)))))))
+;; Keep it after define-abbrev-table, since define-derived-mode uses
+;; define-abbrev-table.
+(define-derived-mode edit-abbrevs-mode fundamental-mode "Edit-Abbrevs"
+ "Major mode for editing the list of abbrev definitions.")
+
(provide 'abbrev)
;;; abbrev.el ends here
HCoop / bpt / emacs.git / blobdiff