class Rubocop::Cop::Lint::UnreachableCode

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.

Constants

FLOW_COMMANDS
MSG
NODE_TYPES

Public Instance Methods

on_begin(node) click to toggle source
Calls superclass method
# File lib/rubocop/cop/lint/unreachable_code.rb, line 15
def on_begin(node)
  expressions = *node

  expressions.each_cons(2) do |e1, e2|
    if NODE_TYPES.include?(e1.type) || flow_command?(e1)
      add_offence(:warning, e2.loc.expression, MSG)
    end
  end

  super
end

Private Instance Methods

flow_command?(node) click to toggle source
# File lib/rubocop/cop/lint/unreachable_code.rb, line 29
def flow_command?(node)
  FLOW_COMMANDS.any? { |c| command?(c, node) }
end