def on_send(node)
      name     = node.children[1].to_s
      name     = SEND_MAPPING.fetch(name, name)
      callback = "on_send_#{name}"

      value_stack.add_stack

      execute_callback(callback, node)
    end
def on_send(node)
      name     = node.children[1].to_s
      name     = SEND_MAPPING.fetch(name, name)
      callback = "on_send_#{name}"

      value_stack.add_stack

      execute_callback(callback, node)
    end
Processes a method call. If a certain method call has its own dedicated
 callback that one will be called as well.

 @param [RubyLint::AST::Node] node