-/* Begin a region that will contain entries created with
- add_partial_entry. */
-
-void
-begin_protect_partials ()
-{
- /* Push room for a new list. */
- cfun->eh->protect_list
- = tree_cons (NULL_TREE, NULL_TREE, cfun->eh->protect_list);
-}
-
-/* Start a new exception region for a region of code that has a
- cleanup action and push the HANDLER for the region onto
- protect_list. All of the regions created with add_partial_entry
- will be ended when end_protect_partials is invoked.
-
- ??? The only difference between this purpose and that of
- expand_decl_cleanup is that in this case, we only want the cleanup to
- run if an exception is thrown. This should also be handled using
- binding levels. */
-
-void
-add_partial_entry (handler)
- tree handler;
-{
- expand_eh_region_start ();
-
- /* ??? This comment was old before the most recent rewrite. We
- really ought to fix the callers at some point. */
- /* For backwards compatibility, we allow callers to omit calls to
- begin_protect_partials for the outermost region. So, we must
- explicitly do so here. */
- if (!cfun->eh->protect_list)
- begin_protect_partials ();
-
- /* Add this entry to the front of the list. */
- TREE_VALUE (cfun->eh->protect_list)
- = tree_cons (NULL_TREE, handler, TREE_VALUE (cfun->eh->protect_list));
-}
-
-/* End all the pending exception regions on protect_list. */
-
-void
-end_protect_partials ()
-{
- tree t;
-
- /* ??? This comment was old before the most recent rewrite. We
- really ought to fix the callers at some point. */
- /* For backwards compatibility, we allow callers to omit the call to
- begin_protect_partials for the outermost region. So,
- PROTECT_LIST may be NULL. */
- if (!cfun->eh->protect_list)
- return;
-
- /* Pop the topmost entry. */
- t = TREE_VALUE (cfun->eh->protect_list);
- cfun->eh->protect_list = TREE_CHAIN (cfun->eh->protect_list);
-
- /* End all the exception regions. */
- for (; t; t = TREE_CHAIN (t))
- expand_eh_region_end_cleanup (TREE_VALUE (t));
-}
-
-\f