194                 self.current_expr = rqlexpr

   194                 self.current_expr = rqlexpr

   195                 if varexistsmap is None:

   195                 if varexistsmap is None:

   196                     try:

   196                     try:

   197                         new = self.insert_snippet(varmap, rqlexpr.snippet_rqlst, parent)

   197                         new = self.insert_snippet(varmap, rqlexpr.snippet_rqlst, parent)

   198                     except Unsupported:

   198                     except Unsupported:

   201                         continue

   199                         continue

   202                     inserted = True

   200                     inserted = True

   203                     if new is not None:

   201                     if new is not None:

   204                         self.exists_snippet[rqlexpr] = new

   202                         self.exists_snippet[rqlexpr] = new

   205                     parent = parent or new

   203                     parent = parent or new