rubyx/lib/mom/instruction/basic_values.rb
Torsten Ruger cb9f6973d9 fix true false and nil constant
going from mom to parfait
basics in place, more ripples to fix
2018-03-31 13:47:02 +03:00

75 lines
1.8 KiB
Ruby

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