public override void Generate(ScriptLoader owner)
{
LookaheadStack <INodeEnumerator> nodes = this.nodes;
LookaheadStack <uint> states = this.states;
int proc_state = 0;
object proc_arg = null;
INodeEnumerator ne = m_enumerator;
IExceptionHandler ehnd = m_handler;
loop:
uint state = states.PopOrDefault();
while (ne.MoveNext())
{
INode node = ne.Current;
if (node.ChildCount == 0)
{
bool goNext;
do
{
goNext = OnGenerate(node.GetToken(), state, ref proc_state, ref proc_arg);
if (ehnd.FailCount > 0)
{
ne.Dispose();
while (nodes.Count > 0)
{
nodes.Pop().Dispose();
}
return;
}
else if (proc_state != 0)
{
proc_arg = OnRequested(ref state, ref proc_state, proc_arg);
}
// 다음으로 넘어가지 않는다
// 반복
} while (!goNext);
}
else
{
nodes.Push(ne);
ne = node.GetEnumerator();
}
}
ne.Dispose();
if (nodes.Count > 0)
{
ne = nodes.Pop();
goto loop;
}
// 끝내기 전에 마무리지어야 한다
}
/// <summary>
/// 요청된 state에 대한 자료를 처리합니다
/// </summary>
/// <param name="processing_state">요청된 state</param>
/// <param name="in_argument">함께 전달된 argument (default: null)</param>
/// <returns>반환할 argument</returns>
protected virtual object OnRequested(ref uint state, ref int processing_state, object in_argument)
{
if (processing_state <= PROC_SKIP)
{
processing_state = 0;
}
else if (processing_state == PROC_SYSTEM_NEXTSTATE)
{
state = states.PopOrDefault();
processing_state = 0;
}
return(null);
}