public override int Eval(IMyDictionary <String, int> sym)
{
if (sym.ContainsKey(id))
{
int v;
sym.TryGetValue(id, out v);
return(v);
}
else
{
throw new Exception("The element does not exist in the symbol table");
}
}
public PrgState Execute(PrgState p)
{
IMyDictionary <string, int> symbolt = p.SymTable;
int id;
symbolt.TryGetValue(expFileId, out id);
FileData fd;
p.FileTable.TryGetValue(id, out fd);
StreamReader sr = fd.FileDescriptor;
sr.Close();
p.FileTable.Remove(id);
return(p);
}