class ExecJS::RubyRhinoRuntime::Context

def initialize(runtime, source = "", options = {})
  source = source.encode(Encoding::UTF_8)
  @rhino_context = ::Rhino::Context.new
  fix_memory_limit! @rhino_context
  @rhino_context.eval(source)
rescue Exception => e
  raise wrap_error(e)
end