Prototype of @cfg tag implemented as a class.

module JsDuck::Builtins

  # Implementation of @cfg tag.

  class Cfg

    def initialize

      @pattern = "cfg"

    end

    def parse(p)

      p.add_tag(:cfg)

      p.maybe_type

      p.maybe_name_with_default

      maybe_required(p)

    end

    # matches: "(required)"

    def maybe_required(p)

      p.skip_horiz_white

      if p.look(/\(required\)/i)

        p.match(/\(required\)/i)

        p.current_tag[:optional] = false

      end

    end

  end

end