lib/rubocop/cop/rails/add_column_index.rb in rubocop-rails-2.18.0 vs lib/rubocop/cop/rails/add_column_index.rb in rubocop-rails-2.19.0

@@ -40,21 +40,21 @@
 
             add_index = "add_index #{table.source}, #{column.source}"
             add_index_opts = ''
 
             if value.hash_type?
-              hash = value.loc.expression.adjust(begin_pos: 1, end_pos: -1).source.strip
+              hash = value.source_range.adjust(begin_pos: 1, end_pos: -1).source.strip
               add_index_opts = ", #{hash}"
             end
 
             corrector.insert_after(node, "\n#{add_index}#{add_index_opts}")
           end
         end
 
         private
 
         def index_range(pair_node)
-          range_with_surrounding_comma(range_with_surrounding_space(pair_node.loc.expression, side: :left), :left)
+          range_with_surrounding_comma(range_with_surrounding_space(pair_node.source_range, side: :left), :left)
         end
       end
     end
   end
 end