Sha256: 2a3777e3dfc70fa77be60ddd16c18b3836d12c2b4a63a25f24a612e9e8e069e5
Contents?: true
Size: 852 Bytes
Versions: 11
Compression:
Stored size: 852 Bytes
Contents
# frozen_string_literal: true
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.'.freeze
NODE_TYPES = [:return, :next, :break, :retry, :redo].freeze
FLOW_COMMANDS = [:throw, :raise, :fail].freeze
def on_begin(node)
expressions = *node
expressions.each_cons(2) do |e1, e2|
next unless NODE_TYPES.include?(e1.type) || flow_command?(e1)
add_offense(e2, :expression)
end
end
private
def flow_command?(node)
FLOW_COMMANDS.any? { |c| node.command?(c) }
end
end
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems