[Emacs-diffs] emacs/lisp ChangeLog emacs-lisp/bytecomp.el

[Stefan Monnier]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Stefan Monnier <monnier>        09/09/15 04:03:39

Modified files:
        lisp           : ChangeLog 
        lisp/emacs-lisp: bytecomp.el 

Log message:
        (byte-compile-refresh-preloaded): New function.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/lisp/ChangeLog?cvsroot=emacs&r1=1.16173&r2=1.16174
http://cvs.savannah.gnu.org/viewcvs/emacs/lisp/emacs-lisp/bytecomp.el?cvsroot=emacs&r1=2.259&r2=2.260

Patches:
Index: ChangeLog
===================================================================
RCS file: /sources/emacs/emacs/lisp/ChangeLog,v
retrieving revision 1.16173
retrieving revision 1.16174
diff -u -b -r1.16173 -r1.16174
--- ChangeLog   15 Sep 2009 03:46:05 -0000      1.16173
+++ ChangeLog   15 Sep 2009 04:03:35 -0000      1.16174
@@ -1,5 +1,7 @@
 2009-09-15  Stefan Monnier  <address@hidden>
 
+       * emacs-lisp/bytecomp.el (byte-compile-refresh-preloaded): New function.
+
        * loadup.el: Use after-load-functions to GC after loading each file.
        Remove the explicit GC calls that used to be sprinkled around.
 

Index: emacs-lisp/bytecomp.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/emacs-lisp/bytecomp.el,v
retrieving revision 2.259
retrieving revision 2.260
diff -u -b -r2.259 -r2.260
--- emacs-lisp/bytecomp.el      15 Sep 2009 02:34:32 -0000      2.259
+++ emacs-lisp/bytecomp.el      15 Sep 2009 04:03:38 -0000      2.260
@@ -4103,7 +4103,8 @@
     (byte-compile-form (cons 'progn (cdr form)))))
 
 ;; Warn about misuses of make-variable-buffer-local.
-(byte-defop-compiler-1 make-variable-buffer-local 
byte-compile-make-variable-buffer-local)
+(byte-defop-compiler-1 make-variable-buffer-local
+                       byte-compile-make-variable-buffer-local)
 (defun byte-compile-make-variable-buffer-local (form)
   (if (and (eq (car-safe (car-safe (cdr-safe form))) 'quote)
            (byte-compile-warning-enabled-p 'make-local))
@@ -4394,6 +4395,26 @@
        nil))))
 
 ;;;###autoload
+(defun byte-compile-refresh-preloaded ()
+  "Reload any Lisp file that was changed since Emacs was dumped.
+Use with caution."
+  (let* ((argv0 (car command-line-args))
+         (emacs-file (executable-find argv0)))
+    (if (not (and emacs-file (file-executable-p emacs-file)))
+        (message "Can't find %s to refresh preloaded Lisp files" argv0)
+      (dolist (f (reverse load-history))
+        (setq f (car f))
+        (if (string-match "elc\\'" f) (setq f (substring f 0 -1)))
+        (when (and (file-readable-p f)
+                   (file-newer-than-file-p f emacs-file))
+          (message "Reloading stale %s" (file-name-nondirectory f))
+          (condition-case nil
+              (load f 'noerror nil 'nosuffix)
+            ;; Probably shouldn't happen, but in case of an error, it seems
+            ;; at least as useful to ignore it as it is to stop compilation.
+            (error nil)))))))
+
+;;;###autoload
 (defun batch-byte-recompile-directory (&optional arg)
   "Run `byte-recompile-directory' on the dirs remaining on the command line.
 Must be used only with `-batch', and kills Emacs on completion.