# frozen_string_literal: true

require 'date'

module Lang
  module Core
    module_function

    # time in local format
    def time
      @stack << { type: :string,
                  value: Time.now.to_s }
    end

    # date in local format
    def date
      @stack << { type: :string,
                  value: Date.today.to_s }
    end

    # system tick in µs
    def ticks
      ticks_since_epoch = Time.utc( 1, 1, 1 ).to_i * 10_000_000
      now = Time.now
      @stack << { type: :numeric,
                  base: 10,
                  value: now.to_i * 10_000_000 + now.nsec / 100 - ticks_since_epoch }
    end
  end
end