class IRB::Command::ShowSource

# File lib/irb/command/show_source.rb, line 29
def execute(arg)
  # Accept string literal for backward compatibility
  str = unwrap_string_literal(arg)
  unless str.is_a?(String)
    puts "Error: Expected a string but got #{str.inspect}"
    return
  end

  str, esses = str.split(" -")
  super_level = esses ? esses.count("s") : 0
  source = SourceFinder.new(@irb_context).find_source(str, super_level)

  if source
    show_source(source)
  elsif super_level > 0
    puts "Error: Couldn't locate a super definition for #{str}"
  else
    puts "Error: Couldn't locate a definition for #{str}"
  end
  nil
end