public PrgState Execute(PrgState state)
{
MyIList <int> list = state.GetPrintList();
list.Add1(exp.Eval(state.GetSymTable(), state.GetHeap()));
return(null);
}
PrgState IStmt.Execute(PrgState state)
{
MyIStack <IStmt> stack = new MyLibStack <IStmt>();
Stack <MyIDictionary <MyMap> > symtable = state.GetSymTable();
MyIList <int> printList = state.GetPrintList();
IHeap <HMap> h = state.GetHeap();
MyLibStack <IStmt> crtstm = new MyLibStack <IStmt>();
PrgState childPrgState = new PrgState(stack, symtable, printList, stmt, h);
childPrgState.id = state.id * 10;
return(childPrgState);
}