/// <summary>
/// 预备存档，保存时必须先调用此方法
/// </summary>
/// <returns>不要保存到稳定储存器上的内容的打包</returns>
public PreviewSaveDataStoringPackage PreviewSave()
{
// 处理主调用堆栈上的栈帧
PreviewSaveDataStoringPackage savePak = new PreviewSaveDataStoringPackage
{
saveTraceBackStack = new Stack <StackMachineFrame>()
};
// 弹空所有的函数调用和等待，只保存稳定性场景
while (this.CallStack.ESP != this.CallStack.SAVEP)
{
savePak.saveTraceBackStack.Push(this.CallStack.Consume());
}
// 缓存指令指针，这里必须直接设null而不能用mircoStep避免IR寄存器被修改
savePak.CacheIP = this.CallStack.ESP.IP;
this.CallStack.ESP.IP = null;
// 处理并行句柄引用
savePak.ParallelHandlerStore = this.ParallelHandler;
this.ParallelHandler = null;
// 处理并行器向量的引用
savePak.ParallelExecutorStore = this.ParallelExecutorStack;
this.ParallelExecutorStack = null;
// 返回封装包
return(savePak);
}
/// <summary>
/// 完成存档，保存后必须调用此方法
/// </summary>
/// <param name="savePack">调用PreviewSave时的返回值</param>
public void FinishedSave(PreviewSaveDataStoringPackage savePack)
{
// 恢复指令指针
this.CallStack.ESP.MircoStep(savePack.CacheIP);
// 恢复主调用堆栈上的栈帧
while (savePack.saveTraceBackStack.Count > 0)
{
this.CallStack.Submit(savePack.saveTraceBackStack.Pop());
}
// 恢复并行句柄引用
this.ParallelHandler = savePack.ParallelHandlerStore;
// 恢复并行器向量的引用
this.ParallelExecutorStack = savePack.ParallelExecutorStore;
}
