113 lines
1.9 KiB
Ruby
113 lines
1.9 KiB
Ruby
module Mutant
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# Subject of a mutation
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class Subject
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include AbstractType, Adamantium::Flat, Enumerable, Concord::Public.new(:context, :node)
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# Enumerate possible mutations
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#
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# @return [self]
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# returns self if block given
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#
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# @return [Enumerator<Mutation>]
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# returns eumerator if no block given
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#
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# @api private
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#
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def each
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return to_enum unless block_given?
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Mutator.each(node) do |mutant|
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yield Mutation::Evil.new(self, mutant)
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end
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self
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end
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# Return noop mutation
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#
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# @return [Mutation::Noop]
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#
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# @api private
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#
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def noop
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Mutation::Neutral.new(self, node)
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end
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memoize :noop
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# Return source path
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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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def source_path
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context.source_path
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end
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# Return source line
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#
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# @return [Fixnum]
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#
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# @api private
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#
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def source_line
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node.location.expression.line
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end
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# Return subject identicication
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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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def identification
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"#{subtype}:#{source_path}:#{source_line}"
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end
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memoize :identification
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# Return source representation of ast
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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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def source
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Unparser.unparse(node)
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end
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memoize :source
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# Return root AST for node
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#
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# @param [Parser::AST::Node] node
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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 root(node)
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context.root(node)
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end
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# Return root AST node for original AST ndoe
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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 original_root
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root(node)
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end
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memoize :original_root
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private
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# Return subtype identifier
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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 :subtype
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private :subtype
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end # Subject
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end # Mutant
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