Reorganize Tramp

* lisp/net/tramp-adb.el (tramp-adb-handle-write-region): Handle special
case that START is "".
(tramp-adb-handle-set-file-modes)
(tramp-adb-handle-set-file-times):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.
(tramp-adb-handle-make-process):
Use `with-tramp-saved-connection-properties'.

* lisp/net/tramp-archive.el (tramp-archive-file-name-handler-alist):
Use `tramp-archive-handle-file-exists-p'.
(tramp-archive-handle-file-exists-p): New defun.
(tramp-archive-file-name-handler): Add ;;;###tramp-autoload cookie.

* lisp/net/tramp-cache.el (tramp-compat, tramp-loaddefs)
(time-stamp): Require.
(tramp-get-file-property, tramp-set-file-property)
(tramp-flush-file-property, tramp-flush-file-upper-properties)
(tramp-flush-file-properties): Use `tramp-file-name-unify'.  Adapt
message.
(tramp-flush-directory-properties): Simplify.
(tramp-flush-file-function): Add ;;;###tramp-autoload cookie.
Don't use `with-parsed-tramp-file-name', it isn't exposed.
(with-tramp-file-property, with-tramp-connection-property)
(with-tramp-saved-connection-property): Macros moved from tramp.el.
(with-tramp-saved-file-property)
(with-tramp-saved-file-properties)
(with-tramp-saved-connection-properties): New defmacros.

* lisp/net/tramp-cmds.el (tramp-cleanup-connection): Flush "/".

* lisp/net/tramp-crypt.el (tramp-crypt-handle-set-file-modes)
(tramp-crypt-handle-set-file-times)
(tramp-crypt-handle-set-file-uid-gid):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.

* lisp/net/tramp-ftp.el (tramp-archive-file-name-handler):
Don't declare.

* lisp/net/tramp-gvfs.el (tramp-gvfs-info): New defun.
(tramp-gvfs-do-copy-or-rename-file)
(tramp-gvfs-handle-delete-directory)
(tramp-gvfs-handle-delete-file, tramp-gvfs-get-root-attributes)
(tramp-gvfs-handle-make-directory): Use it.
(tramp-gvfs-handle-set-file-modes)
(tramp-gvfs-handle-set-file-times)
(tramp-gvfs-handle-set-file-uid-gid):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.

* lisp/net/tramp-sh.el (tramp-sh-handle-make-symbolic-link):
Expand TARGET when flushing file properties.
(tramp-sh-handle-set-file-modes, tramp-sh-handle-set-file-times)
(tramp-sh-handle-set-file-uid-gid):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.
(tramp-sh-handle-file-name-all-completions): Protect, when
connection is not established yet.
(tramp-do-copy-or-rename-file-directly): Flush file properties of
NEWNAME when constructing a new remote file name.
(tramp-do-copy-or-rename-file-out-of-band, tramp-sh-handle-make-process):
Use `with-tramp-saved-connection-properties'.
(tramp-sh-handle-delete-file): Flush file properties only after
deleting, otherwise we get a false alarm.
(tramp-sh-handle-process-file): Flush "/".
(tramp-sh-handle-write-region): Handle special case that START is "".

* lisp/net/tramp-smb.el (tramp-smb-handle-copy-directory)
(tramp-smb-handle-file-acl, tramp-smb-handle-process-file)
(tramp-smb-handle-set-file-acl)
(tramp-smb-handle-start-file-process):
Use `with-tramp-saved-connection-properties'.
(tramp-smb-remote-acl-p): New defun.
(tramp-smb-handle-file-acl, tramp-smb-handle-set-file-acl): Use it.
(tramp-smb-handle-set-file-modes):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.
(tramp-smb-handle-process-file, tramp-smb-maybe-open-connection):
Flush "/".

* lisp/net/tramp-sshfs.el (tramp-sshfs-handle-process-file): Flush "/".
(tramp-sshfs-handle-set-file-modes)
(tramp-sshfs-handle-set-file-times):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.

* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-set-file-modes)
(tramp-sudoedit-handle-set-file-times)
(tramp-sudoedit-handle-set-file-uid-gid):
Use `tramp-skeleton-set-file-modes-times-uid-gid'.

* lisp/net/tramp.el (tramp-archive-file-name-handler): Don't declare.
(tramp-verbose, tramp-file-name-unify, tramp-tramp-file-p)
(tramp-file-local-name, tramp-dissect-file-name)
(tramp-make-tramp-file-name, tramp-get-connection-buffer)
(tramp-get-buffer-string, tramp-debug-message)
(tramp-inhibit-progress-reporter, tramp-message):
Add ;;;###tramp-autoload cookie.
(tramp-file-name): Expose defstruct to tramp-loaddefs.el
(tramp-file-name-unify): New optional arg FILE.
(tramp-get-default-directory, tramp-get-buffer-string)
(tramp-message, tramp-backtrace, tramp-error-with-buffer)
(tramp-with-demoted-errors, tramp-barf-if-file-missing)
(tramp-skeleton-copy-directory, tramp-skeleton-delete-directory)
(tramp-skeleton-directory-files)
(tramp-skeleton-directory-files-and-attributes)
(tramp-skeleton-file-local-copy, tramp-skeleton-write-region):
Remove `tramp-suppress-trace' property, it isn't needed for
defmacros and defsubsts.
(with-tramp-file-property, with-tramp-connection-property)
(with-tramp-saved-connection-property): Move macros to tramp-cache.el.
(tramp-skeleton-directory-files-and-attributes): Fix implementation.
(tramp-skeleton-file-local-copy): Fix docstring.
(tramp-skeleton-set-file-modes-times-uid-gid): New defmacro.
(tramp-skeleton-write-region): Set "file-exists-p" cache property.
(tramp-handle-file-exists-p): Use cached value.
(tramp-process-sentinel): Flush "/".
(tramp-make-tramp-temp-file): Suppress also `tramp-smb-remote-acl-p'.
(tramp-get-connection-buffer):

* test/lisp/net/tramp-tests.el (tramp-test10-write-region)
(tramp-test20-file-modes, tramp-test22-file-times): Extend tests.

lisp/net/tramp-sudoedit.el

@@ -484,10 +484,9 @@ the result will be a local, non-Tramp, file name."
 
 (defun tramp-sudoedit-handle-set-file-modes (filename mode &optional flag)
   "Like `set-file-modes' for Tramp files."
-  (with-parsed-tramp-file-name filename nil
-    ;; It is unlikely that "chmod -h" works.
-    (unless (and (eq flag 'nofollow) (file-symlink-p filename))
-      (tramp-flush-file-properties v localname)
+  ;; It is unlikely that "chmod -h" works.
+  (unless (and (eq flag 'nofollow) (file-symlink-p filename))
+    (tramp-skeleton-set-file-modes-times-uid-gid filename
       (unless (tramp-sudoedit-send-command
 	       v "chmod" (format "%o" mode)
 	       (tramp-compat-file-name-unquote localname))
@@ -542,8 +541,7 @@ the result will be a local, non-Tramp, file name."
 
 (defun tramp-sudoedit-handle-set-file-times (filename &optional time flag)
   "Like `set-file-times' for Tramp files."
-  (with-parsed-tramp-file-name filename nil
-    (tramp-flush-file-properties v localname)
+  (tramp-skeleton-set-file-modes-times-uid-gid filename
     (let ((time
 	   (if (or (null time)
 		   (tramp-compat-time-equal-p time tramp-time-doesnt-exist)
@@ -730,13 +728,13 @@ ID-FORMAT valid values are `string' and `integer'."
 
 (defun tramp-sudoedit-handle-set-file-uid-gid (filename &optional uid gid)
   "Like `tramp-set-file-uid-gid' for Tramp files."
-    (with-parsed-tramp-file-name filename nil
-      (tramp-sudoedit-send-command
-       v "chown"
-       (format "%d:%d"
-	       (or uid (tramp-get-remote-uid v 'integer))
-	       (or gid (tramp-get-remote-gid v 'integer)))
-       (tramp-unquote-file-local-name filename))))
+  (tramp-skeleton-set-file-modes-times-uid-gid filename
+    (tramp-sudoedit-send-command
+     v "chown"
+     (format "%d:%d"
+	     (or uid (tramp-get-remote-uid v 'integer))
+	     (or gid (tramp-get-remote-gid v 'integer)))
+     (tramp-unquote-file-local-name filename))))
 
 
 ;; Internal functions.