Sha256: 9bc737ee45155a2c8d9e5ee33658aa41e6f38b334b319a83f67f3f386c926229
Contents?: true
Size: 1.35 KB
Versions: 23
Compression:
Stored size: 1.35 KB
Contents
# frozen_string_literal: true
module Mutant
class Mutator
class Node
class Block < self
handle(:block)
children :send, :arguments, :body
private
def dispatch
emit_singletons
emit(send) unless n_lambda?(send)
emit_send_mutations(&method(:valid_send_mutation?))
emit_arguments_mutations
mutate_body
end
def mutate_body
emit_body(nil) unless unconditional_loop?
emit_body(N_RAISE)
return unless body
emit(body) unless body_has_control?
emit_body_mutations
mutate_body_receiver
end
def unconditional_loop?
send.eql?(s(:send, nil, :loop))
end
def body_has_control?
AST.find_last_path(body) do |node|
n_break?(node) || n_next?(node)
end.any?
end
def mutate_body_receiver
return if n_lambda?(send) || !n_send?(body)
body_meta = AST::Meta::Send.new(body)
emit(s(:send, send, body_meta.selector, *body_meta.arguments))
end
def valid_send_mutation?(node)
return unless n_send?(node)
last = AST::Meta::Send.new(node).arguments.last
!last&.type.equal?(:block_pass)
end
end # Block
end # Node
end # Mutator
end # Mutant
Version data entries
23 entries across 23 versions & 1 rubygems