/// <summary>
/// 以名称获取字段,没有就返回nil
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public ScriptObject GetFileld(string filed)
{
Contract.Assert(Type == ValueType.TABLE);
TablePart tablePart = Value.RefPartHandle.ConverToTablePart();
ScriptObject s = tablePart.TryGetValue(filed);
if (s != null)
{
return(s);
}
ScriptObject metaTable = tablePart.MetaTable;
if (metaTable != null)
{
s = metaTable.GetFileld("_index");
if (s.Type == ValueType.TABLE)
{
return(s.GetFileld(filed));
}
else if (s.Type == ValueType.FUNCTION)
{
//多一次拷贝(实际上)
//RunEnvironment.Instance.LocalStack.InvokeFunction(s, this, ScriptObject.CreateString(filed));
StackState state = RunEnvironment.Instance.LocalStack;
state.PushFunction(s);
state.Push(this);
state.Push(filed);
return(state.InvokeFunction());
}
}
return(RunEnvironment.Nil);
}
public static ScriptObject Indexof(ScriptObject own, ScriptObject index)
{
return(own.GetFileld(index));
}
/// <summary>
/// 从 own 返回 filed 字段,没有就为nil
/// </summary>
public static ScriptObject Select(ScriptObject own, string filed)
{
return(own.GetFileld(filed));
}
/// <summary>
/// 从 own 返回 filed 字段,没有就为nil
/// </summary>
public static ScriptObject Select(ScriptObject own, string filed)
{
return own.GetFileld(filed);
}
public static ScriptObject Indexof(ScriptObject own, ScriptObject index)
{
return own.GetFileld(index);
}
