;;; Bugs:
-;; - completion-all-sorted-completions list all the completions, whereas
+;; - completion-all-sorted-completions lists all the completions, whereas
;; it should only lists the ones that `try-completion' would consider.
;; E.g. it should honor completion-ignored-extensions.
;; - choose-completion can't automatically figure out the boundaries
(let ((firsterror nil)
res)
(while (and (not res) xs)
- (condition-case err
+ (condition-case-unless-debug err
(setq res (funcall fun (pop xs)))
(error (unless firsterror (setq firsterror err)) nil)))
(or res
(eq t (compare-strings s1 nil nil s2 nil nil 'ignore-case)))
(defun completion--twq-all (string ustring completions boundary
- unquote requote)
+ _unquote requote)
(when completions
(pcase-let*
((prefix
(cl-assert (string-prefix-p prefix completion 'ignore-case) t)
(let* ((new (substring completion (length prefix)))
(qnew (funcall qfun new))
+ (qprefix
+ (if (not completion-ignore-case)
+ qprefix
+ ;; Make qprefix inherit the case from `completion'.
+ (let* ((rest (substring completion
+ 0 (length prefix)))
+ (qrest (funcall qfun rest)))
+ (if (completion--string-equal-p qprefix qrest)
+ (propertize qrest 'face
+ 'completions-common-part)
+ qprefix))))
(qcompletion (concat qprefix qnew)))
;; FIXME: Similarly here, Cygwin's mapping trips this
;; assertion.
(message nil)))
;; Clear out any old echo-area message to make way for our new thing.
(message nil)
- (setq message (if (and (null args) (string-match-p "\\` *\\[.+\\]\\'" message))
+ (setq message (if (and (null args)
+ (string-match-p "\\` *\\[.+\\]\\'" message))
;; Make sure we can put-text-property.
(copy-sequence message)
(concat " [" message "]")))
(defun minibuffer-completion-contents ()
"Return the user input in a minibuffer before point as a string.
-That is what completion commands operate on."
- (buffer-substring (field-beginning) (point)))
+In Emacs-22, that was what completion commands operated on."
+ (declare (obsolete nil "24.4"))
+ (buffer-substring (minibuffer-prompt-end) (point)))
(defun delete-minibuffer-contents ()
"Delete all user input in a minibuffer.
is requested but cannot be done.
If the value is `lazy', the *Completions* buffer is only displayed after
the second failed attempt to complete."
- :type '(choice (const nil) (const t) (const lazy))
- :group 'minibuffer)
+ :type '(choice (const nil) (const t) (const lazy)))
(defconst completion-styles-alist
'((emacs21
Note that `completion-category-overrides' may override these
styles for specific categories, such as files, buffers, etc."
:type completion--styles-type
- :group 'minibuffer
:version "23.1")
(defcustom completion-category-overrides
(defcustom completion-cycle-threshold nil
"Number of completion candidates below which cycling is used.
-Depending on this setting `minibuffer-complete' may use cycling,
+Depending on this setting `completion-in-region' may use cycling,
like `minibuffer-force-complete'.
If nil, cycling is never used.
If t, cycling is always used.
(over (assq 'cycle (cdr (assq cat completion-category-overrides)))))
(if over (cdr over) completion-cycle-threshold)))
-(defvar completion-all-sorted-completions nil)
-(make-variable-buffer-local 'completion-all-sorted-completions)
+(defvar-local completion-all-sorted-completions nil)
(defvar-local completion--all-sorted-completions-location nil)
(defvar completion-cycling nil)
(if completion-show-inline-help
(minibuffer-message msg)))
-(defun completion--do-completion (&optional try-completion-function
- expect-exact)
+(defun completion--do-completion (beg end &optional
+ try-completion-function expect-exact)
"Do the completion and return a summary of what happened.
M = completion was performed, the text was Modified.
C = there were available Completions.
TRY-COMPLETION-FUNCTION is a function to use in place of `try-completion'.
EXPECT-EXACT, if non-nil, means that there is no need to tell the user
when the buffer's text is already an exact match."
- (let* ((beg (field-beginning))
- (end (field-end))
- (string (buffer-substring beg end))
+ (let* ((string (buffer-substring beg end))
(md (completion--field-metadata beg))
(comp (funcall (or try-completion-function
'completion-try-completion)
(if unchanged
(goto-char end)
;; Insert in minibuffer the chars we got.
- (completion--replace beg end completion))
+ (completion--replace beg end completion)
+ (setq end (+ beg (length completion))))
;; Move point to its completion-mandated destination.
(forward-char (- comp-pos (length completion)))
;; whether this is a unique completion or not, so try again using
;; the real case (this shouldn't recurse again, because the next
;; time try-completion will return either t or the exact string).
- (completion--do-completion try-completion-function expect-exact)
+ (completion--do-completion beg end
+ try-completion-function expect-exact)
;; It did find a match. Do we match some possibility exactly now?
(let* ((exact (test-completion completion
minibuffer-completion-predicate
""))
comp-pos)))
- (completion-all-sorted-completions))))
+ (completion-all-sorted-completions beg end))))
(completion--flush-all-sorted-completions)
(cond
((and (consp (cdr comps)) ;; There's something to cycle.
;; Not more than completion-cycle-threshold remaining
;; completions: let's cycle.
(setq completed t exact t)
- (completion--cache-all-sorted-completions comps)
- (minibuffer-force-complete))
+ (completion--cache-all-sorted-completions beg end comps)
+ (minibuffer-force-complete beg end))
(completed
;; We could also decide to refresh the completions,
;; if they're displayed (and assuming there are
(if (pcase completion-auto-help
(`lazy (eq this-command last-command))
(_ completion-auto-help))
- (minibuffer-completion-help)
+ (minibuffer-completion-help beg end)
(completion--message "Next char not unique")))
;; If the last exact completion and this one were the same, it
;; means we've already given a "Complete, but not unique" message
;; and the user's hit TAB again, so now we give him help.
(t
(if (and (eq this-command last-command) completion-auto-help)
- (minibuffer-completion-help))
+ (minibuffer-completion-help beg end))
(completion--done completion 'exact
(unless expect-exact
"Complete, but not unique"))))
If you repeat this command after it displayed such a list,
scroll the window of possible completions."
(interactive)
+ (completion-in-region (minibuffer-prompt-end) (point-max)
+ minibuffer-completion-table
+ minibuffer-completion-predicate))
+
+(defun completion--in-region-1 (beg end)
;; If the previous command was not this,
;; mark the completion buffer obsolete.
(setq this-command 'completion-at-point)
nil)))
;; If we're cycling, keep on cycling.
((and completion-cycling completion-all-sorted-completions)
- (minibuffer-force-complete)
+ (minibuffer-force-complete beg end)
t)
- (t (pcase (completion--do-completion)
+ (t (pcase (completion--do-completion beg end)
(#b000 nil)
(_ t)))))
-(defun completion--cache-all-sorted-completions (comps)
+(defun completion--cache-all-sorted-completions (beg end comps)
(add-hook 'after-change-functions
'completion--flush-all-sorted-completions nil t)
(setq completion--all-sorted-completions-location
- (cons (copy-marker (field-beginning)) (copy-marker (field-end))))
+ (cons (copy-marker beg) (copy-marker end)))
(setq completion-all-sorted-completions comps))
(defun completion--flush-all-sorted-completions (&optional start end _len)
(if (eq (car bounds) base) md-at-point
(completion-metadata (substring string 0 base) table pred))))
-(defun completion-all-sorted-completions ()
+(defun completion-all-sorted-completions (&optional start end)
(or completion-all-sorted-completions
- (let* ((start (field-beginning))
- (end (field-end))
+ (let* ((start (or start (minibuffer-prompt-end)))
+ (end (or end (point-max)))
(string (buffer-substring start end))
(md (completion--field-metadata start))
(all (completion-all-completions
;; Cache the result. This is not just for speed, but also so that
;; repeated calls to minibuffer-force-complete can cycle through
;; all possibilities.
- (completion--cache-all-sorted-completions (nconc all base-size))))))
+ (completion--cache-all-sorted-completions
+ start end (nconc all base-size))))))
(defun minibuffer-force-complete-and-exit ()
"Complete the minibuffer with first of the matches and exit."
(interactive)
(minibuffer-force-complete)
- (minibuffer--complete-and-exit
+ (completion--complete-and-exit
+ (minibuffer-prompt-end) (point-max) #'exit-minibuffer
;; If the previous completion completed to an element which fails
;; test-completion, then we shouldn't exit, but that should be rare.
(lambda () (minibuffer-message "Incomplete"))))
-(defun minibuffer-force-complete ()
+(defun minibuffer-force-complete (&optional start end)
"Complete the minibuffer to an exact match.
Repeated uses step through the possible completions."
(interactive)
;; FIXME: Need to deal with the extra-size issue here as well.
;; FIXME: ~/src/emacs/t<M-TAB>/lisp/minibuffer.el completes to
;; ~/src/emacs/trunk/ and throws away lisp/minibuffer.el.
- (let* ((start (copy-marker (field-beginning)))
- (end (field-end))
+ (let* ((start (copy-marker (or start (minibuffer-prompt-end))))
+ (end (or end (point-max)))
;; (md (completion--field-metadata start))
- (all (completion-all-sorted-completions))
+ (all (completion-all-sorted-completions start end))
(base (+ start (or (cdr (last all)) 0))))
(cond
((not (consp all))
'finished (when done "Sole completion"))))
(t
(completion--replace base end (car all))
+ (setq end (+ base (length (car all))))
(completion--done (buffer-substring-no-properties start (point)) 'sole)
;; Set cycling after modifying the buffer since the flush hook resets it.
(setq completion-cycling t)
- (setq this-command 'completion-at-point) ;For minibuffer-complete.
+ (setq this-command 'completion-at-point) ;For completion-in-region.
;; If completing file names, (car all) may be a directory, so we'd now
;; have a new set of possible completions and might want to reset
;; completion-all-sorted-completions to nil, but we prefer not to,
;; through the previous possible completions.
(let ((last (last all)))
(setcdr last (cons (car all) (cdr last)))
- (completion--cache-all-sorted-completions (cdr all)))
+ (completion--cache-all-sorted-completions start end (cdr all)))
;; Make sure repeated uses cycle, even though completion--done might
;; have added a space or something that moved us outside of the field.
;; (bug#12221).
`minibuffer-confirm-exit-commands', and accept the input
otherwise."
(interactive)
- (minibuffer--complete-and-exit
+ (completion-complete-and-exit (minibuffer-prompt-end) (point-max)
+ #'exit-minibuffer))
+
+(defun completion-complete-and-exit (beg end exit-function)
+ (completion--complete-and-exit
+ beg end exit-function
(lambda ()
(pcase (condition-case nil
- (completion--do-completion nil 'expect-exact)
+ (completion--do-completion beg end
+ nil 'expect-exact)
(error 1))
- ((or #b001 #b011) (exit-minibuffer))
+ ((or #b001 #b011) (funcall exit-function))
(#b111 (if (not minibuffer-completion-confirm)
- (exit-minibuffer)
+ (funcall exit-function)
(minibuffer-message "Confirm")
nil))
(_ nil)))))
-(defun minibuffer--complete-and-exit (completion-function)
+(defun completion--complete-and-exit (beg end
+ exit-function completion-function)
"Exit from `require-match' minibuffer.
COMPLETION-FUNCTION is called if the current buffer's content does not
appear to be a match."
- (let ((beg (field-beginning))
- (end (field-end)))
(cond
;; Allow user to specify null string
- ((= beg end) (exit-minibuffer))
+ ((= beg end) (funcall exit-function))
((test-completion (buffer-substring beg end)
minibuffer-completion-table
minibuffer-completion-predicate)
;; that file.
(= (length string) (length compl)))
(completion--replace beg end compl))))
- (exit-minibuffer))
+ (funcall exit-function))
((memq minibuffer-completion-confirm '(confirm confirm-after-completion))
;; The user is permitted to exit with an input that's rejected
;; catches most minibuffer typos).
(and (eq minibuffer-completion-confirm 'confirm-after-completion)
(not (memq last-command minibuffer-confirm-exit-commands))))
- (exit-minibuffer)
+ (funcall exit-function)
(minibuffer-message "Confirm")
nil))
(t
;; Call do-completion, but ignore errors.
- (funcall completion-function)))))
+ (funcall completion-function))))
(defun completion--try-word-completion (string table predicate point md)
(let ((comp (completion-try-completion string table predicate point md)))
is added, provided that matches some possible completion.
Return nil if there is no valid completion, else t."
(interactive)
- (pcase (completion--do-completion 'completion--try-word-completion)
+ (completion-in-region--single-word
+ (minibuffer-prompt-end) (point-max)
+ minibuffer-completion-table minibuffer-completion-predicate))
+
+(defun completion-in-region--single-word (beg end collection
+ &optional predicate)
+ (let ((minibuffer-completion-table collection)
+ (minibuffer-completion-predicate predicate))
+ (pcase (completion--do-completion beg end
+ #'completion--try-word-completion)
(#b000 nil)
- (_ t)))
+ (_ t))))
(defface completions-annotations '((t :inherit italic))
"Face to use for annotations in the *Completions* buffer.")
If the value is `horizontal', display completions sorted
horizontally in alphabetical order, rather than down the screen."
:type '(choice (const horizontal) (const vertical))
- :group 'minibuffer
:version "23.2")
(defun completion--insert-strings (strings)
(defface completions-first-difference
'((t (:inherit bold)))
- "Face added on the first uncommon character in completions in *Completions* buffer."
- :group 'completion)
+ "Face added on the first uncommon character in completions in *Completions* buffer.")
(defface completions-common-part '((t nil))
"Face added on the common prefix substring in completions in *Completions* buffer.
The idea of `completions-common-part' is that you can use it to
make the common parts less visible than normal, so that the rest
-of the differing parts is, by contrast, slightly highlighted."
- :group 'completion)
+of the differing parts is, by contrast, slightly highlighted.")
(defun completion-hilit-commonality (completions prefix-len base-size)
(when completions
The actual completion alternatives, as inserted, are given `mouse-face'
properties of `highlight'.
At the end, this runs the normal hook `completion-setup-hook'.
-It can find the completion buffer in `standard-output'.
-
-The obsolete optional arg COMMON-SUBSTRING, if non-nil, should be a string
-specifying a common substring for adding the faces
-`completions-first-difference' and `completions-common-part' to
-the completions buffer."
+It can find the completion buffer in `standard-output'."
+ (declare (advertised-calling-convention (completions) "24.4"))
(if common-substring
(setq completions (completion-hilit-commonality
completions (length common-substring)
(equal pre-msg (and exit-fun (current-message))))
(completion--message message))))
-(defun minibuffer-completion-help ()
+(defun minibuffer-completion-help (&optional start end)
"Display a list of possible completions of the current minibuffer contents."
(interactive)
(message "Making completion list...")
- (let* ((start (field-beginning))
- (end (field-end))
- (string (field-string))
+ (let* ((start (or start (minibuffer-prompt-end)))
+ (end (or end (point-max)))
+ (string (buffer-substring start end))
(md (completion--field-metadata start))
(completions (completion-all-completions
string
minibuffer-completion-table
minibuffer-completion-predicate
- (- (point) (field-beginning))
+ (- (point) start)
md)))
(message nil)
(if (or (null completions)
(exit-minibuffer))
(defvar completion-in-region-functions nil
- "Wrapper hook around `completion-in-region'.
-The functions on this special hook are called with 5 arguments:
- NEXT-FUN START END COLLECTION PREDICATE.
-NEXT-FUN is a function of four arguments (START END COLLECTION PREDICATE)
-that performs the default operation. The other four arguments are like
-the ones passed to `completion-in-region'. The functions on this hook
-are expected to perform completion on START..END using COLLECTION
-and PREDICATE, either by calling NEXT-FUN or by doing it themselves.")
+ "Wrapper hook around `completion-in-region'.")
+(make-obsolete-variable 'completion-in-region-functions
+ 'completion-in-region-function "24.4")
+
+(defvar completion-in-region-function #'completion--in-region
+ "Function to perform the job of `completion-in-region'.
+The function is called with 4 arguments: START END COLLECTION PREDICATE.
+The arguments and expected return value are like the ones of
+`completion-in-region'.")
(defvar completion-in-region--data nil)
PREDICATE (a function called with no arguments) says when to
exit."
(cl-assert (<= start (point)) (<= (point) end))
+ (funcall completion-in-region-function start end collection predicate))
+
+(defcustom read-file-name-completion-ignore-case
+ (if (memq system-type '(ms-dos windows-nt darwin cygwin))
+ t nil)
+ "Non-nil means when reading a file name completion ignores case."
+ :type 'boolean
+ :version "22.1")
+
+(defun completion--in-region (start end collection &optional predicate)
(with-wrapper-hook
;; FIXME: Maybe we should use this hook to provide a "display
;; completions" operation as well.
completion-in-region-functions (start end collection predicate)
(let ((minibuffer-completion-table collection)
- (minibuffer-completion-predicate predicate)
- (ol (make-overlay start end nil nil t)))
- (overlay-put ol 'field 'completion)
+ (minibuffer-completion-predicate predicate))
;; HACK: if the text we are completing is already in a field, we
;; want the completion field to take priority (e.g. Bug#6830).
- (overlay-put ol 'priority 100)
(when completion-in-region-mode-predicate
- (completion-in-region-mode 1)
(setq completion-in-region--data
- (list (if (markerp start) start (copy-marker start))
- (copy-marker end) collection)))
- ;; FIXME: `minibuffer-complete' should call `completion-in-region' rather
- ;; than the other way around!
- (unwind-protect
- (call-interactively 'minibuffer-complete)
- (delete-overlay ol)))))
+ `(,(if (markerp start) start (copy-marker start))
+ ,(copy-marker end t) ,collection ,predicate))
+ (completion-in-region-mode 1))
+ (completion--in-region-1 start end))))
(defvar completion-in-region-mode-map
(let ((map (make-sparse-keymap)))
;; (defalias 'completion-in-region--prech 'completion-in-region--postch)
+(defvar completion-in-region-mode nil) ;Explicit defvar, i.s.o defcustom.
+
(define-minor-mode completion-in-region-mode
- "Transient minor mode used during `completion-in-region'.
-With a prefix argument ARG, enable the modemode if ARG is
-positive, and disable it otherwise. If called from Lisp, enable
-the mode if ARG is omitted or nil."
+ "Transient minor mode used during `completion-in-region'."
:global t
- (setq completion-in-region--data nil)
+ :group 'minibuffer
+ ;; Prevent definition of a custom-variable since it makes no sense to
+ ;; customize this variable.
+ :variable completion-in-region-mode
;; (remove-hook 'pre-command-hook #'completion-in-region--prech)
(remove-hook 'post-command-hook #'completion-in-region--postch)
(setq minor-mode-overriding-map-alist
(delq (assq 'completion-in-region-mode minor-mode-overriding-map-alist)
minor-mode-overriding-map-alist))
(if (null completion-in-region-mode)
- (unless (equal "*Completions*" (buffer-name (window-buffer)))
- (minibuffer-hide-completions))
+ (progn
+ (setq completion-in-region--data nil)
+ (unless (equal "*Completions*" (buffer-name (window-buffer)))
+ (minibuffer-hide-completions)))
;; (add-hook 'pre-command-hook #'completion-in-region--prech)
(cl-assert completion-in-region-mode-predicate)
(setq completion-in-region-mode--predicate
(lambda ()
;; We're still in the same completion field.
(let ((newstart (car-safe (funcall hookfun))))
- (and newstart (= newstart start)))))
- (ol (make-overlay start end nil nil t)))
+ (and newstart (= newstart start))))))
;; FIXME: We should somehow (ab)use completion-in-region-function or
;; introduce a corresponding hook (plus another for word-completion,
;; and another for force-completion, maybe?).
- (overlay-put ol 'field 'completion)
- (overlay-put ol 'priority 100)
- (completion-in-region-mode 1)
(setq completion-in-region--data
- (list start (copy-marker end) collection))
- (unwind-protect
- (call-interactively 'minibuffer-completion-help)
- (delete-overlay ol))))
+ `(,start ,(copy-marker end t) ,collection
+ ,(plist-get plist :predicate)))
+ (completion-in-region-mode 1)
+ (minibuffer-completion-help start end)))
(`(,hookfun . ,_)
;; The hook function already performed completion :-(
;; Not much we can do at this point.
"The function called by `read-file-name' to do its work.
It should accept the same arguments as `read-file-name'.")
-(defcustom read-file-name-completion-ignore-case
- (if (memq system-type '(ms-dos windows-nt darwin cygwin))
- t nil)
- "Non-nil means when reading a file name completion ignores case."
- :group 'minibuffer
- :type 'boolean
- :version "22.1")
-
(defcustom insert-default-directory t
"Non-nil means when reading a filename start with default dir in minibuffer.
For some commands, exiting with an empty minibuffer has a special meaning,
such as making the current buffer visit no file in the case of
`set-visited-file-name'."
- :group 'minibuffer
:type 'boolean)
;; Not always defined, but only called if next-read-file-uses-dialog-p says so.
;; Refresh other vars.
(completion-pcm--prepare-delim-re value))
:initialize 'custom-initialize-reset
- :group 'minibuffer
:type 'string)
(defcustom completion-pcm-complete-word-inserts-delimiters nil
(completion-pcm--string->pattern suffix)))
(let* ((pattern nil)
(p 0)
- (p0 p))
+ (p0 p)
+ (pending nil))
(while (and (setq p (string-match completion-pcm--delim-wild-regex
string p))
;; This is determined by the presence of a submatch-1 which delimits
;; the prefix.
(if (match-end 1) (setq p (match-end 1)))
- (push (substring string p0 p) pattern)
+ (unless (= p0 p)
+ (if pending (push pending pattern))
+ (push (substring string p0 p) pattern))
+ (setq pending nil)
(if (eq (aref string p) ?*)
(progn
(push 'star pattern)
(setq p0 (1+ p)))
(push 'any pattern)
- (setq p0 p))
- (cl-incf p))
-
+ (if (match-end 1)
+ (setq p0 p)
+ (push (substring string p (match-end 0)) pattern)
+ ;; `any-delim' is used so that "a-b" also finds "array->beginning".
+ (setq pending 'any-delim)
+ (setq p0 (match-end 0))))
+ (setq p p0))
+
+ (when (> (length string) p0)
+ (if pending (push pending pattern))
+ (push (substring string p0) pattern))
;; An empty string might be erroneously added at the beginning.
;; It should be avoided properly, but it's so easy to remove it here.
- (delete "" (nreverse (cons (substring string p0) pattern))))))
+ (delete "" (nreverse pattern)))))
+
+(defun completion-pcm--optimize-pattern (p)
+ ;; Remove empty strings in a separate phase since otherwise a ""
+ ;; might prevent some other optimization, as in '(any "" any).
+ (setq p (delete "" p))
+ (let ((n '()))
+ (while p
+ (pcase p
+ (`(,(and s1 (pred stringp)) ,(and s2 (pred stringp)) . ,rest)
+ (setq p (cons (concat s1 s2) rest)))
+ (`(,(and p1 (pred symbolp)) ,(and p2 (guard (eq p1 p2))) . ,_)
+ (setq p (cdr p)))
+ (`(star ,(pred symbolp) . ,rest) (setq p `(star . ,rest)))
+ (`(,(pred symbolp) star . ,rest) (setq p `(star . ,rest)))
+ (`(point ,(or `any `any-delim) . ,rest) (setq p `(point . ,rest)))
+ (`(,(or `any `any-delim) point . ,rest) (setq p `(point . ,rest)))
+ (`(any ,(or `any `any-delim) . ,rest) (setq p `(any . ,rest)))
+ (`(,(pred symbolp)) (setq p nil)) ;Implicit terminating `any'.
+ (_ (push (pop p) n))))
+ (nreverse n)))
(defun completion-pcm--pattern->regex (pattern &optional group)
(let ((re
(lambda (x)
(cond
((stringp x) (regexp-quote x))
- ((if (consp group) (memq x group) group) "\\(.*?\\)")
- (t ".*?")))
+ (t
+ (let ((re (if (eq x 'any-delim)
+ (concat completion-pcm--delim-wild-regex "*?")
+ ".*?")))
+ (if (if (consp group) (memq x group) group)
+ (concat "\\(" re "\\)")
+ re)))))
pattern
""))))
;; Avoid pathological backtracking.
(setq string (substring string (car bounds) (+ point (cdr bounds))))
(let* ((relpoint (- point (car bounds)))
(pattern (completion-pcm--string->pattern string relpoint))
- (all (condition-case err
+ (all (condition-case-unless-debug err
(funcall filter
(completion-pcm--all-completions
prefix pattern table pred))
- (error (unless firsterror (setq firsterror err)) nil))))
+ (error (setq firsterror err) nil))))
(when (and (null all)
(> (car bounds) 0)
(null (ignore-errors (try-completion prefix table pred))))
HCoop / bpt / emacs.git / blobdiff