55 lines
989 B
Ruby
55 lines
989 B
Ruby
module Mutant
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# Abstract matcher to find ASTs to mutate
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class Matcher
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include Adamantium::Flat, Enumerable, AbstractType
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extend DescendantsTracker
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# Enumerate subjects
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#
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# @api private
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#
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# @return [undefined]
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#
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abstract_method :each
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# Return identification
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#
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# @return [String
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#
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# @api private
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#
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abstract_method :identification
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# Return matcher
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#
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# @param [String] input
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#
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# @return [nil]
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# returns nil as default implementation
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#
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# @api private
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#
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def self.parse(input)
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nil
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end
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# Return match from string
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#
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# @param [String] input
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#
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# @return [Matcher]
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# returns matcher input if successful
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#
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# @return [nil]
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# returns nil otherwise
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#
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def self.from_string(input)
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descendants.each do |descendant|
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matcher = descendant.parse(input)
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return matcher if matcher
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end
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nil
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end
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end
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end
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