10c3dfc390
* Add tests for all edge cases I could create * Add infrastructure for loading mutations into the vm. * The fun part is next!
85 lines
1.4 KiB
Ruby
85 lines
1.4 KiB
Ruby
module Mutant
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# Represent a mutatable AST and its context
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class Mutatee
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include Veritas::Immutable, Enumerable
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# Return context
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#
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# @return [Context]
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#
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# @api private
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#
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attr_reader :context
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# Return AST node
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#
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# @return [Rubinius::AST::Node]
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#
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# @api private
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#
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attr_reader :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]
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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(&block)
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return to_enum(__method__) unless block_given?
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Mutator.new(node).each(&block)
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self
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end
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# Reset implementation to original
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#
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# This method inserts the original node again.
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#
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# @return [self]
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#
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# @api private
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#
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def reset
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insert(@node)
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self
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end
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private
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# Initialize a mutatee
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#
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# @param [Context] context
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# the context of mutations
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#
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# @param [Rubinius::AST::Node] node
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# the node to be mutated
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#
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# @return [unkown]
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#
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# @api private
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#
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def initialize(context,node)
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@context,@node = context,node
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end
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# Insert AST node under context
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#
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# @param [Rubinius::AST::Node] node
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#
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# @return [self]
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#
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# @api private
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#
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def insert(node)
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Loader.load(context.root(node))
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self
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end
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end
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end
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