public void executeOneStep()
{
IExeStack <IStatement> stack = state.Stack;
IStatement statement = stack.pop();
statement.execute(state);
printState(state);
}
public PrgState oneStep(PrgState state)
{
IExeStack <Statement> exeStack = state.ExeStack;
if (exeStack.isEmpty())
{
throw new IException("exe stack is empty");
}
Statement stmt = exeStack.pop();
Console.WriteLine(stmt);
return(stmt.execute(state));
}