class Array

# File lib/sugarcane/ext/array.rb, line 4
def line_number
  case self[0]
  when :def, :defs, :command, :command_call, :call, :fcall, :method_add_arg,
       :method_add_block, :var_ref, :vcall, :const_ref, :const_path_ref,
       :class, :module, :if, :unless, :elsif, :ifop, :if_mod, :unless_mod,
       :binary, :alias, :symbol_literal, :symbol, :aref, :hash, :assoc_new,
       :string_literal, :massign
    self[1].line_number
  when :assoclist_from_args, :bare_assoc_hash
    self[1][0].line_number
  when :string_add, :opassign
    self[2].line_number
  when :array
    array_values.first.line_number
  when :mlhs_add
    self.last.line_number
  else
    self.last.first if self.last.is_a? Array
  end
end