public void show()
{
while (true)
{
printMenu();
Console.WriteLine("Input the command: ");
Command cmd = cmds.get(Console.ReadLine());
if (cmd == null)
{
Console.WriteLine("Invalid command");
continue;
}
cmd.execute();
}
}
public override int eval(MyIDictionary <string, int> tbl)
{
//if (!tbl.isDefined(id))
// throw new MyStmtExecException("The id is not in the table: Exception thrown from VarExp");
int val = 0;
ICollection <string> keys = tbl.keys();
for (int i = 0; i < keys.Count(); i++)
{
if (keys.ElementAt(i) == this.id)
{
val = tbl.get(i);
break;
}
}
return(val);
}
public override int evaluate(MyIDictionary <string, int> symTable)
{
return(symTable.get(id));
}