class RuboCop::AST::NodePattern::Compiler

def with_temp_variables(*names, &block)
  @temp_depth += 1
  suffix = @temp_depth if @temp_depth > 1
  names = block.parameters.map(&:last) if names.empty?
  names.map! { |name| "#{name}#{suffix}" }
  yield(*names)
ensure
  @temp_depth -= 1
end