free_mutant/lib/mutant/mutator/node/arguments.rb

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# encoding: utf-8
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module Mutant
class Mutator
class Node
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# Mutator for arguments node
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class Arguments < self
handle(:args)
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_children_mutations
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emit_mlhs_expansion
end
# Emit mlhs expansions
#
# @return [undefined]
#
# @api private
#
def emit_mlhs_expansion
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mlhs_childs_with_index.each do |child, index|
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dup_children = children.dup
dup_children.delete_at(index)
dup_children.insert(index, *child.children)
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emit_type(*dup_children)
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end
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end
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# Return mlhs childs
#
# @return [Enumerable<Parser::AST::Node, Fixnum>]
#
# @api private
#
def mlhs_childs_with_index
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children.each_with_index.select do |child, _index|
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child.type == :mlhs
end
end
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end # Arguments
end # Node
end # Mutator
end # Mutant