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Versions: 17
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Stored size: 1.54 KB
Contents
# frozen_string_literal: true
module Mutant
class Mutator
class Node
# Mutator for rescue nodes
class Rescue < self
handle :rescue
children :body
define_named_child(:else_body, -1)
RESCUE_INDICES = (1..-2).freeze
# Emit mutations
#
# @return [undefined]
def dispatch
mutate_body
mutate_rescue_bodies
mutate_else_body
end
private
# Mutate child by name
#
# @return [undefined]
def mutate_rescue_bodies
children_indices(RESCUE_INDICES).each do |index|
mutate_child(index)
resbody_body = AST::Meta::Resbody.new(children.fetch(index)).body
emit_concat(resbody_body) if resbody_body
end
end
# Emit concatenation with body
#
# @param [Parser::AST::Node] child
#
# @return [undefined]
def emit_concat(child)
if body
emit(s(:begin, body, child))
else
emit(child)
end
end
# Emit body mutations
#
# @return [undefined]
def mutate_body
return unless body
emit_body_mutations
emit(body)
end
# Emit else body mutations
#
# @return [undefined]
def mutate_else_body
return unless else_body
emit_else_body_mutations
emit_concat(else_body)
end
end # Rescue
end # Node
end # Mutator
end # Mutant
Version data entries
17 entries across 17 versions & 1 rubygems