edje object shutdown - be far more paranoid about ptrs and order

so we didnt set everything to null after being freed and object sae
freed after some data. do the data frees after objects are deleted so
callbacks cant access null data anyway. this makes this edje shutdown
far more robust and safe. massive improvement in stability i hope.

diff --git a/src/lib/edje/edje_load.c b/src/lib/edje/edje_load.c
index f3e1e77..59be38a 100644 (file)
--- a/src/lib/edje/edje_load.c
+++ b/src/lib/edje/edje_load.c
@@ -1632,6 +1632,7 @@ _edje_file_del(Edje *ed)
 #endif
 
              rp = ed->table_parts[i];
+             if (!rp) continue;
 
 #ifdef HAVE_EPHYSICS
              EINA_LIST_FREE(rp->body_faces, face_obj)
@@ -1641,6 +1642,24 @@ _edje_file_del(Edje *ed)
              if (rp->part->entry_mode > EDJE_ENTRY_EDIT_MODE_NONE)
                _edje_entry_real_part_shutdown(ed, rp);
 
+             if (rp->object)
+               {
+                  _edje_callbacks_focus_del(rp->object, ed);
+                  _edje_callbacks_del(rp->object, ed);
+                  evas_object_del(rp->object);
+                  rp->object = NULL;
+               }
+
+             if (rp->custom)
+               {
+                  // xxx: lua2
+                  _edje_collection_free_part_description_clean(rp->part->type,
+                                                               rp->custom->description,
+                                                               ed->file->free_strings);
+                  free(rp->custom->description);
+                  rp->custom->description = NULL;
+               }
+
              if ((rp->type == EDJE_RP_TYPE_CONTAINER) &&
                  (rp->typedata.container))
                {
@@ -1695,30 +1714,16 @@ _edje_file_del(Edje *ed)
                   rp->typedata.swallow = NULL;
                }
 
-             if (rp->object)
-               {
-                  _edje_callbacks_focus_del(rp->object, ed);
-                  _edje_callbacks_del(rp->object, ed);
-                  evas_object_del(rp->object);
-               }
-
-             if (rp->custom)
-               {
-                  // xxx: lua2
-                  _edje_collection_free_part_description_clean(rp->part->type,
-                                                               rp->custom->description,
-                                                               ed->file->free_strings);
-                  free(rp->custom->description);
-                  rp->custom->description = NULL;
-               }
-
              /* Cleanup optional part. */
              free(rp->drag);
+             rp->drag = NULL;
              free(rp->param1.set);
+             rp->param1.set = NULL;
 
              if (rp->param2)
                {
                   free(rp->param2->set);
+                  rp->param2->set = NULL;
                   eina_cow_free(_edje_calc_params_map_cow, (const Eina_Cow_Data **)&rp->param2->p.map);
 #ifdef HAVE_EPHYSICS
                   eina_cow_free(_edje_calc_params_physics_cow, (const Eina_Cow_Data **)&rp->param2->p.physics);
@@ -1729,6 +1734,7 @@ _edje_file_del(Edje *ed)
              if (rp->custom)
                {
                   free(rp->custom->set);
+                  rp->custom->set = NULL;
                   eina_cow_free(_edje_calc_params_map_cow, (const Eina_Cow_Data **)&rp->custom->p.map);
 #ifdef HAVE_EPHYSICS
                   eina_cow_free(_edje_calc_params_physics_cow, (const Eina_Cow_Data **)&rp->custom->p.physics);
@@ -1751,6 +1757,7 @@ _edje_file_del(Edje *ed)
              eina_cow_free(_edje_calc_params_physics_cow, (const Eina_Cow_Data **)&rp->param1.p.physics);
 #endif
              eina_mempool_free(_edje_real_part_mp, rp);
+             ed->table_parts[i] = NULL;
           }
      }
    if ((ed->file) && (ed->collection))