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20 lines
450 B
20 lines
450 B
2 years ago
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module Lox
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module Expr
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Binary = Struct.new(:left, :op, :right) do
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def accept(visitor) = visitor.visit_binary(self)
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end
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Grouping = Struct.new(:expr) do
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def accept(visitor) = visitor.visit_grouping(self)
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end
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Literal = Struct.new(:value) do
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def accept(visitor) = visitor.visit_literal(self)
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end
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Unary = Struct.new(:op, :right) do
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def accept(visitor) = visitor.visit_unary(self)
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end
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end
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end
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