public void allStep()
{
try {
PState state = repo.getPState();
// print
System.Console.WriteLine(state.ToString());
while (!state.getStack().isEmpty())
{
runStep(state);
// print
System.Console.WriteLine(state.ToString());
}
}
catch (MyException myEx)
{
throw new MyException("CON_ERR: run step \\ " + myEx.Message);
}
}
public PState runStep(PState state)
{
IStack <IStatement> stk = state.getStack();
// error
if (stk.isEmpty())
{
throw new MyException("CON_ERR: reached empty stack");
}
try {
IStatement stm = stk.pop();
return(stm.execute(state));
}
catch (MyException myEx)
{
throw new MyException("EVAL_ERR: \\ " + myEx.Message);
}
}