L2ScriptEngineManager.java 文件源码

public Object eval(ScriptEngine engine, String script, ScriptContext context) throws ScriptException
{
    if (engine instanceof Compilable && ATTEMPT_COMPILATION)
    {
        Compilable eng = (Compilable) engine;
        CompiledScript cs = eng.compile(script);
        return context != null ? cs.eval(context) : cs.eval();
    } else
        return context != null ? engine.eval(script, context) : engine.eval(script);
}