Note that you can use "-" with --output=file in Etags.

[bpt/emacs.git] / lisp / subr.el

diff --git a/lisp/subr.el b/lisp/subr.el
index c8c6935..17abc70 100644 (file)
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -945,7 +945,7 @@ is converted into a string by expressing it in decimal."
 (make-obsolete 'focus-frame "it does nothing." "22.1")
 (defalias 'unfocus-frame 'ignore "")
 (make-obsolete 'unfocus-frame "it does nothing." "22.1")
-
+(make-obsolete 'make-variable-frame-local "use a frame-parameter instead" "22.2")
 \f
 ;;;; Obsolescence declarations for variables, and aliases.
 
@@ -989,7 +989,6 @@ to reread, so it now uses nil to mean `no event', instead of -1."
 (defalias 'search-backward-regexp (symbol-function 're-search-backward))
 (defalias 'int-to-string 'number-to-string)
 (defalias 'store-match-data 'set-match-data)
-(defalias 'make-variable-frame-localizable 'make-variable-frame-local)
 ;; These are the XEmacs names:
 (defalias 'point-at-eol 'line-end-position)
 (defalias 'point-at-bol 'line-beginning-position)
@@ -1629,7 +1628,7 @@ any other non-digit terminates the character code and is then used as input."))
       ;; or C-q C-x might not return immediately since ESC or C-x might be
       ;; bound to some prefix in function-key-map or key-translation-map.
       (setq translated char)
-      (let ((translation (lookup-key function-key-map (vector char))))
+      (let ((translation (lookup-key local-function-key-map (vector char))))
        (if (arrayp translation)
            (setq translated (aref translation 0))))
       (cond ((null translated))
@@ -2408,6 +2407,23 @@ See also `with-temp-buffer'."
         (if (window-live-p save-selected-window-window)
             (select-window save-selected-window-window 'norecord))))))
 
+(defmacro with-selected-frame (frame &rest body)
+  "Execute the forms in BODY with FRAME as the selected frame.
+The value returned is the value of the last form in BODY.
+See also `with-temp-buffer'."
+  (declare (indent 1) (debug t))
+  (let ((old-frame (make-symbol "old-frame"))
+       (old-buffer (make-symbol "old-buffer")))
+    `(let ((,old-frame (selected-frame))
+          (,old-buffer (current-buffer)))
+       (unwind-protect
+          (progn (select-frame ,frame)
+                 ,@body)
+        (if (frame-live-p ,old-frame)
+            (select-frame ,old-frame))
+        (if (buffer-live-p ,old-buffer)
+            (set-buffer ,old-buffer))))))
+
 (defmacro with-temp-file (file &rest body)
   "Create a new buffer, evaluate BODY there, and write the buffer to FILE.
 The value returned is the value of the last form in BODY.
@@ -2693,6 +2709,24 @@ STRING should be given if the last search was by `string-match' on STRING."
        (buffer-substring-no-properties (match-beginning num)
                                        (match-end num)))))
 
+
+(defun match-substitute-replacement (replacement
+                                    &optional fixedcase literal string subexp)
+  "Return REPLACEMENT as it will be inserted by `replace-match'.
+In other words, all back-references in the form `\\&' and `\\N'
+are substituted with actual strings matched by the last search.
+Optional FIXEDCASE, LITERAL, STRING and SUBEXP have the same
+meaning as for `replace-match'."
+  (let ((match (match-string 0 string)))
+    (save-match-data
+      (set-match-data (mapcar (lambda (x)
+                               (if (numberp x)
+                                   (- x (match-beginning 0))
+                                 x))
+                             (match-data t)))
+      (replace-match replacement fixedcase literal match subexp))))
+
+
 (defun looking-back (regexp &optional limit greedy)
   "Return non-nil if text before point matches regular expression REGEXP.
 Like `looking-at' except matches before point, and is slower.
@@ -2836,11 +2870,10 @@ Modifies the match data; use `save-match-data' if necessary."
                    list)))
     (nreverse list)))
 
-;; (string->strings (strings->string X)) == X
-(defun strings->string (strings &optional separator)
+(defun combine-and-quote-strings (strings &optional separator)
   "Concatenate the STRINGS, adding the SEPARATOR (default \" \").
 This tries to quote the strings to avoid ambiguity such that
-  (string->strings (strings->string strs)) == strs
+  (split-string-and-unquote (combine-and-quote-strings strs)) == strs
 Only some SEPARATORs will work properly."
   (let ((sep (or separator " ")))
     (mapconcat
@@ -2850,20 +2883,20 @@ Only some SEPARATORs will work properly."
         str))
      strings sep)))
 
-;; (string->strings (strings->string X)) == X
-(defun string->strings (string &optional separator)
+(defun split-string-and-unquote (string &optional separator)
   "Split the STRING into a list of strings.
-It understands elisp style quoting within STRING such that
-  (string->strings (strings->string strs)) == strs
+It understands Emacs Lisp quoting within STRING, such that
+  (split-string-and-unquote (combine-and-quote-strings strs)) == strs
 The SEPARATOR regexp defaults to \"\\s-+\"."
   (let ((sep (or separator "\\s-+"))
        (i (string-match "[\"]" string)))
-    (if (null i) (split-string string sep t)   ; no quoting:  easy
+    (if (null i)
+       (split-string string sep t)     ; no quoting:  easy
       (append (unless (eq i 0) (split-string (substring string 0 i) sep t))
              (let ((rfs (read-from-string string i)))
                (cons (car rfs)
-                     (string->strings (substring string (cdr rfs))
-                                          sep)))))))
+                     (split-string-and-unquote (substring string (cdr rfs))
+                                               sep)))))))
 
 \f
 ;;;; Replacement in strings.