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- ;;; abbrev.el --- abbrev mode commands for Emacs
-
- ;; Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
-
- ;; Keywords: abbrev
-
- ;; 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 facility is documented in the Emacs Manual.
-
- ;;; Code:
-
- ;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 ()
- "Create 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 initialised 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
-