rubyx/lib/mom/instruction/basic_values.rb

module Mom
  # just name scoping the same stuff to mom
  # so we know we are on the way down, keeping our layers seperated
  # and we can put constant adding into the to_risc methods (instead of on vool classes)
  class Constant
  end

  class IntegerConstant < Constant
    attr_reader :value
    def initialize(value)
      @value = value
    end
    def to_parfait(compiler)
      value = Parfait::Integer.new(@value)
      compiler.add_constant(value)
      value
    end
    def ct_type
      Parfait.object_space.get_class_by_name(:Integer).instance_type
    end
  end
  class FloatConstant < Constant
    attr_reader :value
    def initialize(value)
      @value = value
    end
    def ct_type
      true
    end
  end
  class TrueConstant < Constant
    def to_parfait(compiler)
      Parfait.object_space.true_object
    end
    def ct_type
      Parfait.object_space.get_class_by_name(:TrueClass).instance_type
    end
  end
  class FalseConstant < Constant
    def to_parfait(compiler)
      Parfait.object_space.false_object
    end
    def ct_type
      Parfait.object_space.get_class_by_name(:FalseClass).instance_type
    end
  end
  class NilConstant < Constant
    def to_parfait(compiler)
      Parfait.object_space.nil_object
    end
    def ct_type
      Parfait.object_space.get_class_by_name(:NilClass).instance_type
    end
  end
  class StringConstant < Constant
    attr_reader :value
    def initialize(value)
      @value = value
    end
    def to_parfait(compiler)
      value = Parfait.new_word(@value)
      compiler.add_constant(value)
      value
    end
    def ct_type
      Parfait.object_space.get_class_by_name(:Word).instance_type
    end
  end
  class SymbolConstant < Constant
    def ct_type
      Parfait.object_space.get_class_by_name(:Word).instance_type
    end
  end
end