;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
Treated as a declaration when used at the right place in a
`defmacro' form. \(See Info anchor `(elisp)Definition of declare'.)"
nil)
+
+(defmacro ignore-errors (&rest body)
+ "Execute BODY; if an error occurs, return nil.
+Otherwise, return result of last form in BODY."
+ `(condition-case nil (progn ,@body) (error nil)))
\f
;;;; Basic Lisp functions.
(setq tail (cdr tail)))
value))
-(make-obsolete 'assoc-ignore-case 'assoc-string)
+(make-obsolete 'assoc-ignore-case 'assoc-string "22.1")
(defun assoc-ignore-case (key alist)
"Like `assoc', but ignores differences in case and text representation.
KEY must be a string. Upper-case and lower-case letters are treated as equal.
Unibyte strings are converted to multibyte for comparison."
(assoc-string key alist t))
-(make-obsolete 'assoc-ignore-representation 'assoc-string)
+(make-obsolete 'assoc-ignore-representation 'assoc-string "22.1")
(defun assoc-ignore-representation (key alist)
"Like `assoc', but ignores differences in text representation.
KEY must be a string.
"Return non-nil if OBJECT is a mouse movement event."
(eq (car-safe object) 'mouse-movement))
+(defun mouse-event-p (object)
+ "Return non-nil if OBJECT is a mouse click event."
+ ;; is this really correct? maybe remove mouse-movement?
+ (memq (event-basic-type object) '(mouse-1 mouse-2 mouse-3 mouse-movement)))
+
(defsubst event-start (event)
"Return the starting position of EVENT.
If EVENT is a mouse or key press or a mouse click, this returns the location
(defvaralias 'x-sent-selection-hooks 'x-sent-selection-functions)
(make-obsolete-variable 'x-sent-selection-hooks
'x-sent-selection-functions "22.1")
+;; This was introduced in 21.4 for pre-unicode unification and was rendered
+;; obsolete by the use of Unicode internally in 23.1.
+(make-obsolete-variable 'translation-table-for-input nil "23.1")
(defvaralias 'messages-buffer-max-lines 'message-log-max)
\f
string. When run interactively, the argument INTERACTIVE-CALL is t,
and the file name is displayed in the echo area."
(interactive (list (completing-read "Locate library: "
- 'locate-file-completion
- (cons load-path (get-load-suffixes)))
+ (apply-partially
+ 'locate-file-completion-table
+ load-path (get-load-suffixes)))
nil nil
t))
(let ((file (locate-file library
(with-current-buffer ,temp-buffer
,@body)
(with-current-buffer ,temp-buffer
- (widen)
- (write-region (point-min) (point-max) ,temp-file nil 0)))
+ (write-region nil nil ,temp-file nil 0)))
(and (buffer-name ,temp-buffer)
(kill-buffer ,temp-buffer))))))
(with-current-buffer ,old-buffer
(set-case-table ,old-case-table))))))
\f
-;;;; Constructing completion tables.
-
-(defun complete-with-action (action table string pred)
- "Perform completion ACTION.
-STRING is the string to complete.
-TABLE is the completion table, which should not be a function.
-PRED is a completion predicate.
-ACTION can be one of nil, t or `lambda'."
- ;; (assert (not (functionp table)))
- (funcall
- (cond
- ((null action) 'try-completion)
- ((eq action t) 'all-completions)
- (t 'test-completion))
- string table pred))
-
-(defmacro dynamic-completion-table (fun)
- "Use function FUN as a dynamic completion table.
-FUN is called with one argument, the string for which completion is required,
-and it should return an alist containing all the intended possible
-completions. This alist may be a full list of possible completions so that FUN
-can ignore the value of its argument. If completion is performed in the
-minibuffer, FUN will be called in the buffer from which the minibuffer was
-entered.
-
-The result of the `dynamic-completion-table' form is a function
-that can be used as the ALIST argument to `try-completion' and
-`all-completion'. See Info node `(elisp)Programmed Completion'."
- (declare (debug (lambda-expr)))
- (let ((win (make-symbol "window"))
- (string (make-symbol "string"))
- (predicate (make-symbol "predicate"))
- (mode (make-symbol "mode")))
- `(lambda (,string ,predicate ,mode)
- (with-current-buffer (let ((,win (minibuffer-selected-window)))
- (if (window-live-p ,win) (window-buffer ,win)
- (current-buffer)))
- (complete-with-action ,mode (,fun ,string) ,string ,predicate)))))
-
-(defmacro lazy-completion-table (var fun)
- ;; We used to have `&rest args' where `args' were evaluated late (at the
- ;; time of the call to `fun'), which was counter intuitive. But to get
- ;; them to be evaluated early, we have to either use lexical-let (which is
- ;; not available in subr.el) or use `(lambda (,str) ...) which prevents the use
- ;; of lexical-let in the callers.
- ;; So we just removed the argument. Callers can then simply use either of:
- ;; (lazy-completion-table var (lambda () (fun x y)))
- ;; or
- ;; (lazy-completion-table var `(lambda () (fun ',x ',y)))
- ;; or
- ;; (lexical-let ((x x)) ((y y))
- ;; (lazy-completion-table var (lambda () (fun x y))))
- ;; depending on the behavior they want.
- "Initialize variable VAR as a lazy completion table.
-If the completion table VAR is used for the first time (e.g., by passing VAR
-as an argument to `try-completion'), the function FUN is called with no
-arguments. FUN must return the completion table that will be stored in VAR.
-If completion is requested in the minibuffer, FUN will be called in the buffer
-from which the minibuffer was entered. The return value of
-`lazy-completion-table' must be used to initialize the value of VAR.
-
-You should give VAR a non-nil `risky-local-variable' property."
- (declare (debug (symbol lambda-expr)))
- (let ((str (make-symbol "string")))
- `(dynamic-completion-table
- (lambda (,str)
- (when (functionp ,var)
- (setq ,var (,fun)))
- ,var))))
-
-(defmacro complete-in-turn (a b)
- "Create a completion table that first tries completion in A and then in B.
-A and B should not be costly (or side-effecting) expressions."
- (declare (debug (def-form def-form)))
- `(lambda (string predicate mode)
- (cond
- ((eq mode t)
- (or (all-completions string ,a predicate)
- (all-completions string ,b predicate)))
- ((eq mode nil)
- (or (try-completion string ,a predicate)
- (try-completion string ,b predicate)))
- (t
- (or (test-completion string ,a predicate)
- (test-completion string ,b predicate))))))
-\f
;;; Matching and match data.
(defvar save-match-data-internal)
This tries to quote the strings to avoid ambiguity such that
(split-string-and-unquote (combine-and-quote-strings strs)) == strs
Only some SEPARATORs will work properly."
- (let ((sep (or separator " ")))
+ (let* ((sep (or separator " "))
+ (re (concat "[\\\"]" "\\|" (regexp-quote sep))))
(mapconcat
(lambda (str)
- (if (string-match "[\\\"]" str)
+ (if (string-match re str)
(concat "\"" (replace-regexp-in-string "[\\\"]" "\\\\\\&" str) "\"")
str))
strings sep)))
HCoop / bpt / emacs.git / blobdiff