public override void Update(GameTime gameTime)
{
PrevFrame = CurrFrame;
CurrFrame = Keyboard.GetState();
if (CurrFrame.IsKeyDown(Keys.Escape))
{
Game.Exit();
}
base.Update(gameTime);
}
internal void ExecuteFunc(Executable exe, RuntimePackage rtpkg, ValuePhoFunc func, int argCount, int retValueCount)
{
if (func.Commands.Count == 0)
{
return;
}
if (ShowDebugInfo)
{
Logger.DebugLine(string.Format("============ Run '{0}' ============", func.Name));
}
rtpkg.Reg.SetCount(func.RegCount);
EnterFrame(func);
CurrFrame.ReceiverCount = retValueCount;
// 数据栈转寄存器
if (argCount > 0)
{
MoveArgStack2Local(argCount);
_dataStack.Clear();
}
int currSrcLine = 0;
_state = State.Running;
while (true)
{
var cmd = CurrFrame.GetCurrCommand();
if (cmd == null)
{
break;
}
if (ShowDebugInfo)
{
Logger.DebugLine("{0}|{1}", cmd.CodePos, exe.QuerySourceLine(cmd.CodePos));
Logger.DebugLine("---------------------");
Logger.DebugLine("{0,5} {1,2}| {2} {3}", _currFrame.Func.Name, _currFrame.PC, cmd.Op.ToString(), _insset.InstructToString(cmd));
}
// 源码行有变化时
if (currSrcLine == 0 || currSrcLine != cmd.CodePos.Line)
{
if (currSrcLine != 0)
{
CallHook(DebugHook.SourceLine);
}
currSrcLine = cmd.CodePos.Line;
}
// 每条指令执行前
CallHook(DebugHook.AssemblyLine);
if (_insset.ExecCode(this, cmd))
{
if (_currFrame == null)
{
break;
}
_currFrame.PC++;
}
// 打印执行完后的信息
if (ShowDebugInfo)
{
rtpkg.Reg.DebugPrint();
// 寄存器信息
LocalReg.DebugPrint();
// 数据栈信息
DataStack.DebugPrint();
Logger.DebugLine("");
}
}
if (ShowDebugInfo)
{
Logger.DebugLine("============ VM End ============");
}
}
