xemacs-beta: lisp/abbrev.el comparison

comparison lisp/abbrev.el @ 428:3ecd8885ac67 r21-2-22

Import from CVS: tag r21-2-22

author	cvs
date	Mon, 13 Aug 2007 11:28:15 +0200
parents
children	abe6d1db359e

comparison

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-:0a0253eac470
+:3ecd8885ac67
+;;; abbrev.el --- abbrev mode commands for Emacs
+;; Copyright (C) 1985, 1986, 1987, 1992, 1997 Free Software Foundation, Inc.
+;; Maintainer: XEmacs Development Team
+;; Keywords: abbrev, dumped
+;; This file is part of XEmacs.
+;; XEmacs 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.
+;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+;;; Synched up with: FSF 19.34 (With some additions)
+;;; Commentary:
+;; This file is dumped with XEmacs.
+;; This facility is documented in the Emacs Manual.
+;;; Code:
+(defgroup abbrev nil
+"Abbreviation handling, typing shortcuts, macros."
+:tag "Abbreviations"
+:group 'editing)
+(defgroup abbrev-mode nil
+"Word abbreviations mode."
+:group 'abbrev)
+;jwz: this is preloaded so don't ;;;###autoload
+(defcustom only-global-abbrevs nil "\
+*Non-nil means user plans to use global abbrevs only.
+Makes the commands to define mode-specific abbrevs define global ones instead."
+:type 'boolean
+:group 'abbrev)
+;;; XEmacs: the following block of code is not in FSF
+(defvar abbrev-table-name-list '()
+"List of symbols whose values are abbrev tables.")
+(defvar abbrevs-changed nil
+"Set non-nil by defining or altering any word abbrevs.
+This causes `save-some-buffers' to offer to save the abbrevs.")
+(defun make-abbrev-table ()
+"Return a new, empty abbrev table object."
+(make-vector 59 0)) ; 59 is prime
+(defun clear-abbrev-table (table)
+"Undefine all abbrevs in abbrev table TABLE, leaving it empty."
+(fillarray table 0)
+(setq abbrevs-changed t)
+nil)
+(defun define-abbrev-table (name defs)
+"Define TABNAME (a symbol) as an abbrev table name.
+Define abbrevs in it according to DEFINITIONS, which is a list of elements
+of the form (ABBREVNAME EXPANSION HOOK USECOUNT)."
+(let ((table (and (boundp name) (symbol-value name))))
+(cond ((vectorp table))
+((not table)
+(setq table (make-abbrev-table))
+(set name table)
+(setq abbrev-table-name-list (cons name abbrev-table-name-list)))
+(t
+(setq table (signal 'wrong-type-argument (list 'vectorp table)))
+(set name table)))
+(while defs
+(apply (function define-abbrev) table (car defs))
+(setq defs (cdr defs)))))
+(defun define-abbrev (table name &optional expansion hook count)
+"Define an abbrev in TABLE named NAME, to expand to EXPANSION or call HOOK.
+NAME and EXPANSION are strings.  Hook is a function or `nil'.
+To undefine an abbrev, define it with an expansion of `nil'."
+(or (not expansion)
+(stringp expansion)
+(setq expansion (signal 'wrong-type-argument
+(list 'stringp expansion))))
+(or (not count)
+(integerp count)
+(setq count (signal 'wrong-type-argument
+(list 'fixnump count))))
+(or (vectorp table)
+(setq table (signal 'wrong-type-argument
+			  (list 'vectorp table))))
+(let* ((sym (intern name table))
+(oexp (and (boundp sym) (symbol-value sym)))
+(ohook (and (fboundp sym) (symbol-function sym))))
+(unless (and (equal ohook hook)
+		 (stringp oexp)
+		 (stringp expansion)
+		 (string-equal oexp expansion))
+(setq abbrevs-changed t)
+;; If there is a non-word character in the string, set the flag.
+(if (string-match "\\W" name)
+	  (set (intern " " table) nil)))
+(set sym expansion)
+(fset sym hook)
+(setplist sym (or count 0))
+name))
+;; Fixup stuff from bootstrap def of define-abbrev-table in subr.el
+(let ((l abbrev-table-name-list))
+(while l
+(let ((fixup (car l)))
+(if (consp fixup)
+(progn
+(setq abbrev-table-name-list (delq fixup abbrev-table-name-list))
+(define-abbrev-table (car fixup) (cdr fixup))))
+(setq l (cdr l))))
+;; These are no longer initialized by C code
+(if (not global-abbrev-table)
+(progn
+(setq global-abbrev-table (make-abbrev-table))
+(setq abbrev-table-name-list (cons 'global-abbrev-table
+abbrev-table-name-list))))
+(if (not fundamental-mode-abbrev-table)
+(progn
+(setq fundamental-mode-abbrev-table (make-abbrev-table))
+(setq abbrev-table-name-list (cons 'fundamental-mode-abbrev-table
+abbrev-table-name-list))))
+(and (eq major-mode 'fundamental-mode)
+(not local-abbrev-table)
+(setq local-abbrev-table fundamental-mode-abbrev-table)))
+(defun define-global-abbrev (name expansion)
+"Define ABBREV as a global abbreviation for EXPANSION."
+(interactive "sDefine global abbrev: \nsExpansion for %s: ")
+(define-abbrev global-abbrev-table
+(downcase name) expansion nil 0))
+(defun define-mode-abbrev (name expansion)
+"Define ABBREV as a mode-specific abbreviation for EXPANSION."
+(interactive "sDefine mode abbrev: \nsExpansion for %s: ")
+(define-abbrev (or local-abbrev-table
+(error "Major mode has no abbrev table"))
+		 (downcase name) expansion nil 0))
+(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;
+it is interned in an abbrev-table rather than the normal obarray.
+The value is nil if that abbrev is not defined.
+Optional second arg TABLE is abbrev table to look it up in.
+The default is to try buffer's mode-specific abbrev table, then global table."
+(let ((frob (function (lambda (table)
+(let ((sym (intern-soft abbrev table)))
+(if (and (boundp sym)
+(stringp (symbol-value sym)))
+sym
+nil))))))
+(if table
+(funcall frob table)
+(or (and local-abbrev-table
+(funcall frob local-abbrev-table))
+(funcall frob global-abbrev-table)))))
+(defun abbrev-expansion (abbrev &optional table)
+"Return the string that ABBREV expands into in the current buffer.
+Optionally specify an abbrev table as second arg;
+then ABBREV is looked up in that table only."
+(let ((sym (abbrev-symbol abbrev table)))
+(if sym
+(symbol-value sym)
+nil)))
+(defun unexpand-abbrev ()
+"Undo the expansion of the last abbrev that expanded.
+This differs from ordinary undo in that other editing done since then
+is not undone."
+(interactive)
+(if (or (< last-abbrev-location (point-min))
+(> last-abbrev-location (point-max))
+(not (stringp last-abbrev-text)))
+nil
+(let* ((opoint (point))
+(val (symbol-value last-abbrev))
+(adjust (length val)))
+;; This isn't correct if (symbol-function last-abbrev-text)
+;;  was used to do the expansion
+(goto-char last-abbrev-location)
+(delete-region last-abbrev-location (+ last-abbrev-location adjust))
+(insert last-abbrev-text)
+(setq adjust (- adjust (length last-abbrev-text)))
+(setq last-abbrev-text nil)
+(if (< last-abbrev-location opoint)
+(goto-char (- opoint adjust))
+(goto-char opoint)))))
+(defun insert-abbrev-table-description (name human-readable)
+"Insert before point a full description of abbrev table named NAME.
+NAME is a symbol whose value is an abbrev table.
+If optional 2nd arg HUMAN is non-nil, insert a human-readable description.
+Otherwise the description is an expression,
+a call to `define-abbrev-table', which would
+define the abbrev table NAME exactly as it is currently defined."
+(let ((table (symbol-value name))
+(stream (current-buffer)))
+(message "Abbrev-table %s..." name)
+(if human-readable
+(progn
+(prin1 (list name) stream)
+;; Need two terpri's or cretinous edit-abbrevs blows out
+(terpri stream)
+(terpri stream)
+(mapatoms (function (lambda (sym)
+(if (symbol-value sym)
+(let* ((n (prin1-to-string (symbol-name sym)))
+(pos (length n)))
+(princ n stream)
+(while (< pos 14)
+(write-char ?\  stream)
+(setq pos (1+ pos)))
+(princ (format " %-5S " (symbol-plist sym))
+stream)
+(if (not (symbol-function sym))
+(prin1 (symbol-value sym) stream)
+(progn
+(setq n (prin1-to-string (symbol-value sym))
+pos (+ pos 6 (length n)))
+(princ n stream)
+(while (< pos 45)
+(write-char ?\  stream)
+(setq pos (1+ pos)))
+(prin1 (symbol-function sym) stream)))
+(terpri stream)))))
+table)
+(terpri stream))
+(progn
+(princ "\(define-abbrev-table '" stream)
+(prin1 name stream)
+(princ " '\(\n" stream)
+(mapatoms (function (lambda (sym)
+(if (symbol-value sym)
+(progn
+(princ "    " stream)
+(prin1 (list (symbol-name sym)
+(symbol-value sym)
+(symbol-function sym)
+(symbol-plist sym))
+stream)
+(terpri stream)))))
+table)
+(princ "    \)\)\n" stream)))
+(terpri stream))
+(message ""))
+;;; End code not in FSF
+(defun abbrev-mode (arg)
+"Toggle abbrev mode.
+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)))
+;; XEmacs change
+(redraw-modeline))
+(defvar edit-abbrevs-map nil
+"Keymap used in edit-abbrevs.")
+(if edit-abbrevs-map
+nil
+(setq edit-abbrevs-map (make-sparse-keymap))
+;; XEmacs change
+(set-keymap-name edit-abbrevs-map 'edit-abbrevs-map)
+(define-key edit-abbrevs-map "\C-x\C-s" 'edit-abbrevs-redefine)
+(define-key edit-abbrevs-map "\C-c\C-c" 'edit-abbrevs-redefine))
+(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 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 ()
+"Display a list of all defined abbrevs."
+(interactive)
+(display-buffer (prepare-abbrev-list-buffer)))
+(defun prepare-abbrev-list-buffer ()
+(save-excursion
+(set-buffer (get-buffer-create "*Abbrevs*"))
+(erase-buffer)
+(let ((tables abbrev-table-name-list))
+(while tables
+	(insert-abbrev-table-description (car tables) t)
+	(setq tables (cdr tables))))
+(goto-char (point-min))
+(set-buffer-modified-p nil)
+(edit-abbrevs-mode))
+(get-buffer-create "*Abbrevs*"))
+(defun edit-abbrevs-mode ()
+"Major mode for editing the list of abbrev definitions.
+\\{edit-abbrevs-map}"
+(interactive)
+(setq major-mode 'edit-abbrevs-mode)
+(setq mode-name "Edit-Abbrevs")
+(use-local-map edit-abbrevs-map))
+(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)
+(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)
+(forward-line 1)
+(while (progn (forward-line 1)
+		     (not (eolp)))
+	 (setq name (read buf) count (read buf) 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) 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 print anything."
+(interactive "fRead abbrev file: ")
+(load (if (and file (> (length file) 0)) file abbrev-file-name)
+	nil quietly)
+(setq save-abbrevs t 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 print anything."
+;(interactive "fRead abbrev file: ")
+(read-abbrev-file file t))
+(defun write-abbrev-file (file)
+"Write all abbrev definitions to a file of Lisp code.
+The file written can be loaded in another session to define the same abbrevs.
+The argument FILE is the file name to write."
+(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))
+(save-excursion
+(set-buffer (get-buffer-create " write-abbrev-file"))
+(erase-buffer)
+(let ((tables abbrev-table-name-list))
+(while tables
+(insert-abbrev-table-description (car tables) nil)
+(setq tables (cdr tables))))
+(write-region 1 (point-max) file)
+(erase-buffer)))
+(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."
+;; XEmacs change:
+(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."
+;; XEmacs change:
+(interactive "P")
+(add-abbrev global-abbrev-table "Global" arg))
+(defun add-abbrev (table type arg)
+;; XEmacs change:
+(if (and (not arg) (region-active-p)) (setq arg 0)
+(setq arg (prefix-numeric-value arg)))
+(let ((exp (and (>= arg 0)
+		  (buffer-substring
+		   (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 (arg)
+"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" arg))
+(defun inverse-add-global-abbrev (arg)
+"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" arg))
+(defun inverse-add-abbrev (table type arg)
+(let (name nameloc exp)
+(save-excursion
+(forward-word (- arg))
+(setq name (buffer-substring (point) (progn (forward-word 1)
+					       (setq nameloc (point))))))
+(set-text-properties 0 (length name) nil name)
+(setq exp (read-string (format "%s expansion for \"%s\": "
+				   type name)))
+(if (or (not (abbrev-expansion name table))
+	    (y-or-n-p (format "%s expands to \"%s\"; redefine? "
+			      name (abbrev-expansion name table))))
+	(progn
+	 (define-abbrev table (downcase name) exp)
+	 (save-excursion
+	  (goto-char nameloc)
+	  (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."
+(interactive "P")
+(or arg (expand-abbrev))
+(setq abbrev-start-location (point-marker)
+	abbrev-start-location-buffer (current-buffer))
+(let ((e (make-extent (point) (point))))
+(set-extent-begin-glyph e (make-glyph [string :data "-"]))))
+(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.
+If called from a Lisp program, arguments are START END &optional NOQUERY."
+(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
+		    (save-excursion (forward-word -1) (point))
+		    pnt)))
+	    (if (or noquery (y-or-n-p (format "Expand `%s'? " string)))
+		(expand-abbrev)))))))
+;;; abbrev.el ends here

Mercurial > hg > xemacs-beta

comparison lisp/abbrev.el @ 428:3ecd8885ac67 r21-2-22