public string RealExecute(FungeContext fungeContext)
{
var n = fungeContext.GetTopStackTopValues(1)[0];
if (n == 0)
{
fungeContext.MoveCurrentThread();
return(null);
}
if (n < 0)
{
return("k command behavior not specified when n is negative");
}
var nextPos = fungeContext.CurrentThread.CurrentPosition;
while (true)
{
nextPos += fungeContext.CurrentThreadDeltaVector;
var nextCommand = fungeContext.GetCellValue(nextPos);
if (nextCommand == ';' || nextCommand == ' ')
{
continue;
}
var command = _commands.Find(c => c.Name == nextCommand);
for (int i = 0; i < n; i++)
{
command?.Execute(fungeContext);
}
return(null);
}
}
public string RealExecute(FungeContext fungeContext)
{
fungeContext.MoveCurrentThread();
var fetched = fungeContext.GetCellValue(fungeContext.CurrentThread.CurrentPosition);
fungeContext.PushToTopStack(fetched);
return(null);
}
public string RealExecute(FungeContext fungeContext)
{
var value = fungeContext.GetTopStackTopValues(1)[0];
fungeContext.ModifyCell(fungeContext.CurrentThread.CurrentPosition + fungeContext.CurrentThreadDeltaVector,
value);
fungeContext.MoveCurrentThread();
return(null);
}
public string RealExecute(FungeContext fungeContext)
{
do
{
fungeContext.MoveCurrentThread();
} while (fungeContext.GetCellValue(fungeContext.CurrentThread.CurrentPosition) != Name);
return(null);
}
public string NextStep()
{
string res = null;
foreach (var thread in _executionContext.Threads)
{
_executionContext.CurrentThread = thread;
res = ICommand.Notick;
while (res == ICommand.Notick)
{
var commandName = _executionContext.GetCellValue(_executionContext.CurrentThread.CurrentPosition);
var command = _commandProducer.GetCommand(commandName);
res = command.Execute(_executionContext);
_executionContext.MoveCurrentThread();
}
}
Ticks++;
_executionContext.Threads = _executionContext.SpawnedThreads.Concat(_executionContext.Threads.Where(t => t.Alive)).ToList();
_executionContext.SpawnedThreads.Clear();
return(res);
}