Prism.dump_options

# File tmp/rubies/ruby-4.0.0/lib/prism/ffi.rb, line 449
def dump_options(options)
  template = +""
  values = []

  template << "L"
  if (filepath = options[:filepath])
    values.push(filepath.bytesize, filepath.b)
    template << "A*"
  else
    values << 0
  end

  template << "l"
  values << options.fetch(:line, 1)

  template << "L"
  if (encoding = options[:encoding])
    name = encoding.is_a?(Encoding) ? encoding.name : encoding
    values.push(name.bytesize, name.b)
    template << "A*"
  else
    values << 0
  end

  template << "C"
  values << (options.fetch(:frozen_string_literal, false) ? 1 : 0)

  template << "C"
  values << dump_options_command_line(options)

  template << "C"
  values << dump_options_version(options[:version])

  template << "C"
  values << (options[:encoding] == false ? 1 : 0)

  template << "C"
  values << (options.fetch(:main_script, false) ? 1 : 0)

  template << "C"
  values << (options.fetch(:partial_script, false) ? 1 : 0)

  template << "C"
  values << (options.fetch(:freeze, false) ? 1 : 0)

  template << "L"
  if (scopes = options[:scopes])
    values << scopes.length

    scopes.each do |scope|
      locals = nil
      forwarding = 0

      case scope
      when Array
        locals = scope
      when Scope
        locals = scope.locals

        scope.forwarding.each do |forward|
          case forward
          when :*     then forwarding |= 0x1
          when :**    then forwarding |= 0x2
          when :&     then forwarding |= 0x4
          when :"..." then forwarding |= 0x8
          else raise ArgumentError, "invalid forwarding value: #{forward}"
          end
        end
      else
        raise TypeError, "wrong argument type #{scope.class.inspect} (expected Array or Prism::Scope)"
      end

      template << "L"
      values << locals.length

      template << "C"
      values << forwarding

      locals.each do |local|
        name = local.name
        template << "L"
        values << name.bytesize

        template << "A*"
        values << name.b
      end
    end
  else
    values << 0
  end

  values.pack(template)
end