55 lines
1.1 KiB
Ruby
55 lines
1.1 KiB
Ruby
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module Mutant
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class Mutator
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class Node
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# Abstract mutator for literal AST nodes
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class Literal < self
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include AbstractType
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private
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# Return new float literal
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#
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# @param [#to_f] value
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#
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# @return [Rubinius::Node::FloatLiteral]
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#
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# @api private
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#
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def new_float(value)
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new(Rubinius::AST::FloatLiteral, value)
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end
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# Return AST representing NaN
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#
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# @return [Rubinius::Node::AST]
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#
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# @api private
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#
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def nan
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new_send(new_float(0), :/, new_float(0))
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end
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# Return AST representing negative infinity
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#
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# @return [Rubinius::Node::AST]
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#
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# @api private
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#
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def negative_infinity
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new(Rubinius::AST::Negate, infinity)
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end
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# Return AST representing infinity
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#
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# @return [Rubinius::Node::AST]
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#
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# @api private
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#
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def infinity
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new_send(new_float(1), :/, new_float(0))
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end
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end
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end
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end
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end
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