47 lines
903 B
Ruby
47 lines
903 B
Ruby
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class Logic::BinaryOperator < Logic::Term
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attr_reader :left, :right
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def initialize(left, right)
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@left, @right = left, right
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end
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def to_h
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{
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"op" => self.class.name,
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"left" => @left.to_h,
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"right" => @right.to_h
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}
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end
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def self.from_h(h)
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self.new(Logic.from_h(h['left']), Logic.from_h(h['right']))
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end
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def errors(stable_ids = [])
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errors = []
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if @left.type != :number || @right.type != :number
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errors += ["les types sont incompatibles : #{self}"]
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end
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errors + @left.errors(stable_ids) + @right.errors(stable_ids)
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end
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def type = :boolean
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def compute(champs = [])
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l = @left.compute(champs)
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r = @right.compute(champs)
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l.send(operation, r)
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end
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def to_s = "(#{@left} #{operation} #{@right})"
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def ==(other)
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self.class == other.class &&
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@left == other.left &&
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@right == other.right
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end
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end
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