RubyVM::InstructionSequence#eval

static VALUE
iseqw_eval(VALUE self)
{
    const rb_iseq_t *iseq = iseqw_check(self);
    if (0 == ISEQ_BODY(iseq)->iseq_size) {
        rb_raise(rb_eTypeError, "attempt to evaluate dummy InstructionSequence");
    }
    return rb_iseq_eval(iseq, rb_current_box());
}