;;; hippie-exp.el --- expand text trying various ways to find its expansion
-;; Copyright (C) 1992, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
-;; 2009 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 2001-2013 Free Software Foundation, Inc.
;; Author: Anders Holst <aho@sans.kth.se>
;; Last change: 3 March 1998
;; in all buffers (except the current). (This may be a little
;; slow, don't use it unless you are really fond of `hippie-expand'.)
;; `try-expand-list' : Tries to expand the text back to the nearest
-;; open delimiter, to a whole list from the buffer. Convenient for
-;; example when writing lisp or TeX.
+;; open delimiter, to a whole list from the buffer. Convenient for
+;; example when writing Lisp or TeX.
;; `try-expand-list-all-buffers' : Like `try-expand-list' but searches
;; in all buffers (except the current).
;; `try-expand-dabbrev' : works exactly as dabbrev-expand (but of
;; variable with all kinds of try-functions above, it might be an
;; idea to use `make-hippie-expand-function' to construct different
;; `hippie-expand'-like functions, with different try-lists and bound
-;; to different keys. It is also possible to make
+;; to different keys. It is also possible to make
;; `hippie-expand-try-functions-list' a buffer local variable, and
;; let it depend on the mode (by setting it in the mode-hooks).
;;
;; opposite situation to occur, that `hippie-expand' misses some
;; suggestion because it thinks it has already tried it.
;;
-;; Acknowledgement
+;; Acknowledgment
;;
;; I want to thank Mikael Djurfeldt in discussions with whom the idea
;; of this function took form.
(defvar he-search-window ())
+;;; Autoloaded for historical reasons (bug#12982)
;;;###autoload
(defcustom hippie-expand-try-functions-list
'(try-complete-file-name-partially
:type '(repeat function)
:group 'hippie-expand)
-;;;###autoload
(defcustom hippie-expand-verbose t
"Non-nil makes `hippie-expand' output which function it is trying."
:type 'boolean
:group 'hippie-expand)
-;;;###autoload
(defcustom hippie-expand-dabbrev-skip-space nil
"Non-nil means tolerate trailing spaces in the abbreviation to expand."
:group 'hippie-expand
:type 'boolean)
-;;;###autoload
(defcustom hippie-expand-dabbrev-as-symbol t
"Non-nil means expand as symbols, i.e. syntax `_' is considered a letter."
:group 'hippie-expand
:type 'boolean)
-;;;###autoload
(defcustom hippie-expand-no-restriction t
"Non-nil means that narrowed buffers are widened during search."
:group 'hippie-expand
:type 'boolean)
-;;;###autoload
(defcustom hippie-expand-max-buffers ()
"The maximum number of buffers (apart from the current) searched.
If nil, all buffers are searched."
integer)
:group 'hippie-expand)
-;;;###autoload
-(defcustom hippie-expand-ignore-buffers (list (purecopy "^ \\*.*\\*$") 'dired-mode)
+(defcustom hippie-expand-ignore-buffers '("^ \\*.*\\*$" dired-mode)
"A list specifying which buffers not to search (if not current).
Can contain both regexps matching buffer names (as strings) and major modes
\(as atoms)"
:type '(repeat (choice regexp (symbol :tag "Major Mode")))
:group 'hippie-expand)
-;;;###autoload
(defcustom hippie-expand-only-buffers ()
"A list specifying the only buffers to search (in addition to current).
Can contain both regexps matching buffer names (as strings) and major modes
lst)))
;; Check if current buffer matches any atom or regexp in LST.
-;; Atoms are interpreted as major modes, strings as regexps mathing the name.
+;; Atoms are interpreted as major modes, strings as regexps matching the name.
(defun he-buffer-member (lst)
(or (memq major-mode lst)
(progn
(defun he-line-beg (strip-prompt)
(save-excursion
(if (re-search-backward (he-line-search-regexp "" strip-prompt)
- (save-excursion (beginning-of-line)
- (point)) t)
+ (line-beginning-position) t)
(match-beginning 2)
(point))))
t))))
(defun try-expand-dabbrev-all-buffers (old)
- "Tries to expand word \"dynamically\", searching all other buffers.
+ "Try to expand word \"dynamically\", searching all other buffers.
The argument OLD has to be nil the first call of this function, and t
for subsequent calls (for further possible expansions of the same
string). It returns t if a new expansion is found, nil otherwise."
for subsequent calls (for further possible expansions of the same
string). It returns t if a new expansion is found, nil otherwise."
(let ((expansion ())
- (buf (current-buffer))
(flag (if (frame-visible-p (window-frame (selected-window)))
'visible t)))
- (if (not old)
- (progn
- (he-init-string (he-dabbrev-beg) (point))
- (setq he-search-window (selected-window))
- (set-marker he-search-loc
- (window-start he-search-window)
- (window-buffer he-search-window))))
+ (unless old
+ (he-init-string (he-dabbrev-beg) (point))
+ (setq he-search-window (selected-window))
+ (set-marker he-search-loc
+ (window-start he-search-window)
+ (window-buffer he-search-window)))
(while (and (not (equal he-search-string ""))
- (marker-position he-search-loc)
- (not expansion))
+ (marker-position he-search-loc)
+ (not expansion))
(with-current-buffer (marker-buffer he-search-loc)
- (goto-char he-search-loc)
- (setq expansion (he-dabbrev-search he-search-string ()
- (window-end he-search-window)))
- (if (and expansion
- (eq (marker-buffer he-string-beg) (current-buffer))
- (eq (marker-position he-string-beg) (match-beginning 0)))
- (setq expansion (he-dabbrev-search he-search-string ()
- (window-end he-search-window))))
- (set-marker he-search-loc (point) (current-buffer)))
- (if (not expansion)
- (progn
- (setq he-search-window (next-window he-search-window nil flag))
- (if (eq he-search-window (selected-window))
- (set-marker he-search-loc nil)
- (set-marker he-search-loc (window-start he-search-window)
- (window-buffer he-search-window))))))
+ (save-excursion
+ (goto-char he-search-loc)
+ (setq expansion (he-dabbrev-search he-search-string ()
+ (window-end he-search-window)))
+ (if (and expansion
+ (eq (marker-buffer he-string-beg) (current-buffer))
+ (eq (marker-position he-string-beg) (match-beginning 0)))
+ (setq expansion
+ (he-dabbrev-search he-search-string ()
+ (window-end he-search-window))))
+ (set-marker he-search-loc (point) (current-buffer))))
+ (unless expansion
+ (setq he-search-window (next-window he-search-window nil flag))
+ (if (eq he-search-window (selected-window))
+ (set-marker he-search-loc nil)
+ (set-marker he-search-loc (window-start he-search-window)
+ (window-buffer he-search-window)))))
- (set-buffer buf)
(if (not expansion)
(progn
(if old (he-reset-string))
(provide 'hippie-exp)
-;; arch-tag: 5e6e00bf-b061-4a7a-9b46-de0ae105ab99
;;; hippie-exp.el ends here