public PrgState Execute(PrgState state)
{
if (IsOpen(state))
{
throw new Exception("File " + fileName + " is open");
}
else
{
System.IO.StreamReader file = new System.IO.StreamReader(fileName);
FileData fd = new FileData(fileName, file);
int id = IDGenerator.GenerateId();
// add the id and the descriptor
state.FileTable.Add(id, fd);
// get the dictionary
IModDictionary <string, int> dict = state.SymbTable;
if (dict.Contains(varFileId))
{
dict.Update(varFileId, id);
}
else
{
dict.Put(varFileId, id);
}
return(state);
}
}
public override int Eval(IModDictionary <string, int> symbTable)
{
if (symbTable.Contains(id))
{
return(symbTable.Get(id));
}
throw new Exception("Element not found");
}
public PrgState Execute(PrgState state)
{
IModDictionary <string, int> symbTable = state.SymbTable;
int val = exp.Eval(symbTable);
if (symbTable.Contains(id))
{
symbTable.Update(id, val);
}
else
{
symbTable.Put(id, val);
}
return(state);
}
public PrgState Execute(PrgState state)
{
int value;
IModDictionary <string, int> symbTable = state.SymbTable;
//
int id = expFileId.Eval(symbTable);
//
FileData fd = state.FileTable.Get(id);
System.IO.StreamReader reader = fd.Header;
string line = reader.ReadLine();
if (line == null)
{
value = 0;
}
else
{
value = Int32.Parse(line);
System.Console.WriteLine(">>>>>>>>>>>>>>> " + value);
}
if (symbTable.Contains(varName))
{
symbTable.Update(varName, value);
}
else
{
symbTable.Put(varName, value);
}
return(state);
}
