80 lines
1.8 KiB
Ruby
80 lines
1.8 KiB
Ruby
module Vool
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class Constant < Expression
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#gobble it up
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def each(&block)
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end
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end
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class IntegerConstant < Constant
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attr_reader :value
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def initialize(value)
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@value = value
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end
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def slot_definition(method)
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return Mom::SlotDefinition.new(Mom::IntegerConstant.new(@value) , [])
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end
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def ct_type
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Parfait.object_space.get_class_by_name(:Integer).instance_type
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end
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#gobble it up
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def each(&block)
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end
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end
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class FloatConstant < Constant
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attr_reader :value
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def initialize(value)
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@value = value
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end
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def ct_type
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true
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end
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end
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class TrueConstant < Constant
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def ct_type
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Parfait.object_space.get_class_by_name(:True).instance_type
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end
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end
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class FalseConstant < Constant
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def ct_type
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Parfait.object_space.get_class_by_name(:False).instance_type
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end
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end
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class NilConstant < Constant
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def ct_type
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Parfait.object_space.get_class_by_name(:Nil).instance_type
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end
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end
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class SelfExpression < Expression
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attr_reader :my_type
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def initialize(type = nil)
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@my_type = type
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end
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def slot_definition(in_method)
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@my_type = in_method.for_type
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Mom::SlotDefinition.new(:message , [:receiver])
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end
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def ct_type
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@my_type
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end
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end
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class SuperExpression < Statement
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end
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class StringConstant < Constant
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attr_reader :value
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def initialize(value)
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@value = value
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end
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def slot_definition(method)
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return Mom::SlotDefinition.new(Mom::StringConstant.new(@value),[])
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end
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def ct_type
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Parfait.object_space.get_class_by_name(:Word).instance_type
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end
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end
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class SymbolConstant < StringConstant
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def ct_type
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Parfait.object_space.get_class_by_name(:Word).instance_type
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end
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end
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end
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