class Byebug::IrbCommand

def self.description
  <<-DESCRIPTION
    irb
    #{short_description}
  DESCRIPTION
end

def self.regexp
  /^\s* irb \s*$/x
end

def self.short_description
  "Starts an IRB session"
end

def execute
  return errmsg(pr("base.errors.only_local")) unless processor.interface.instance_of?(LocalInterface)
  # @todo IRB tries to parse $ARGV so we must clear it (see #197). Add a
  #   test case for it so we can remove this comment.
  with_clean_argv { IRB.start }
end

def with_clean_argv
  saved_argv = $ARGV.dup
  $ARGV.clear
  begin
    yield
  ensure
    $ARGV.concat(saved_argv)
  end
end