public ProgState execute(ProgState prog)
{
MyIDictionary <string, int> dict = prog.getDict();
MyIFileTable <Tuple> Tpl = prog.getFile();
try
{
int val = exp.eval(dict);
Tuple tpl = Tpl.get(val);
if (tpl != null)
{
tpl.getST().Close();
Tpl.remove(val);
}
else
{
throw new ControllerException("The file does not exist!! \n");
}
}
catch (StmtExceptions e)
{ throw new ControllerException(e); }
catch (IOException e)
{ Console.WriteLine(e.ToString()); }
return(prog);
}
public ProgState execute(ProgState prog)
{
MyIDictionary <string, int> dict = prog.getDict();
MyIFileTable <Tuple> Tpl = prog.getFile();
try
{
if (Tpl.isEmpty() == 1)
{
for (int i = 1; i <= Tpl.getKey(); i++)
{
Tuple tpl = Tpl.get(i);
if (tpl != null && tpl.getName() == filename)
{
throw new ControllerException("The file does not exist!! \n");
}
}
}
StreamReader st = new StreamReader(filename);
Tuple tup = new Tuple(filename, st);
Tpl.add(tup);
dict.add(varName, Tpl.getKey());
return(prog);
}
catch (FileNotFoundException e)
{
Console.WriteLine(e.ToString());
}
catch (DictExceptions e)
{ throw new ControllerException(e.ToString()); }
return(null);
}
public ProgState execute(ProgState prog)
{
MyIDictionary <string, int> dict = prog.getDict();
MyIFileTable <Tuple> tpl = prog.getFile();
try
{
int val = exp.eval(dict);
Tuple tup = tpl.get(val);
if (tup != null)
{
string st = tup.getST().ReadLine();
if (st != null)
{
if (dict.isDefined(name) == 0)
{
dict.add(name, int.Parse(st));
}
else
{
dict.update(name, int.Parse(st));
}
}
}
else
{
throw new ControllerException("The file does not exist !!! \n");
}
}
catch (StmtExceptions e)
{
throw new ControllerException(e);
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
}
return(prog);
}