28 lines
699 B
Ruby
28 lines
699 B
Ruby
module Mutant
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# Mixin for node helpers
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module NodeHelpers
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# Build node
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#
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# @param [Symbol] type
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#
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# @return [Parser::AST::Node]
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#
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# @api private
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#
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def s(type, *children)
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Parser::AST::Node.new(type, children)
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end
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module_function :s
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NAN = s(:send, s(:float, 0.0), :/, s(:args, s(:float, 0.0)))
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NEGATIVE_INFINITY = s(:send, s(:float, -1.0), :/, s(:args, s(:float, 0.0)))
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INFINITY = s(:send, s(:float, 1.0), :/, s(:args, s(:float, 0.0)))
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NEW_OBJECT = s(:send, s(:const, s(:cbase), :Object), :new)
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N_NIL = s(:nil)
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N_EMPTY = s(:empty)
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end # NodeHelpers
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end # Mutant
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