Sha256: ce5fa35afc34d5f5678e6b203043a3ea4e23ef140754bb56ba6e03847669e58f
Contents?: true
Size: 829 Bytes
Versions: 5
Compression:
Stored size: 829 Bytes
Contents
# encoding: utf-8
module Rubocop
module Cop
module Lint
# This cop checks for unreachable code.
# The check are based on the presence of flow of control
# statement in non-final position in *begin*(implicit) blocks.
class UnreachableCode < Cop
MSG = 'Unreachable code detected.'
NODE_TYPES = [:return, :next, :break, :retry, :redo]
FLOW_COMMANDS = [:throw, :raise, :fail]
def on_begin(node)
expressions = *node
expressions.each_cons(2) do |e1, e2|
if NODE_TYPES.include?(e1.type) || flow_command?(e1)
add_offense(e2, :expression)
end
end
end
private
def flow_command?(node)
FLOW_COMMANDS.any? { |c| command?(c, node) }
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems