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Versions: 25
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Contents
# frozen_string_literal: true
module Mutant
class Mutator
class Node
# Mutator for arguments node
class Arguments < self
handle(:args)
PROCARG = %i[restarg mlhs].freeze
private
def dispatch
emit_argument_presence
emit_argument_mutations
emit_mlhs_expansion
end
def emit_argument_presence
emit_type
Util::Array::Presence.call(children).each do |children|
unless children.one? && n_mlhs?(children.first)
emit_type(*children)
end
end
end
def emit_argument_mutations
children.each_with_index do |child, index|
Mutator.mutate(child).each do |mutant|
next if invalid_argument_replacement?(mutant, index)
emit_child_update(index, mutant)
end
end
end
def invalid_argument_replacement?(mutant, index)
n_arg?(mutant) && children[0...index].any?(&method(:n_optarg?))
end
def emit_mlhs_expansion
mlhs_childs_with_index.each do |child, index|
dup_children = children.dup
dup_children.delete_at(index)
dup_children.insert(index, *child)
emit_type(*dup_children)
end
end
def mlhs_childs_with_index
children.each_with_index.select do |child,|
n_mlhs?(child)
end
end
end # Arguments
end # Node
end # Mutator
end # Mutant
Version data entries
25 entries across 25 versions & 1 rubygems