module IRB::History

# File bundled-src/irb-1.16.0/lib/irb/history.rb, line 24
def history_file
  if (history_file = IRB.conf[:HISTORY_FILE])
    File.expand_path(history_file)
  else
    IRB.rc_file("_history")
  end
end

# File bundled-src/irb-1.16.0/lib/irb/history.rb, line 19
def infinite?
  save_history.negative?
end

# File bundled-src/irb-1.16.0/lib/irb/history.rb, line 9
def save_history
  return 0 if IRB.conf[:SAVE_HISTORY] == false
  return DEFAULT_ENTRY_LIMIT if IRB.conf[:SAVE_HISTORY] == true
  IRB.conf[:SAVE_HISTORY].to_i
end

# File bundled-src/irb-1.16.0/lib/irb/history.rb, line 15
def save_history?
  !save_history.zero?
end