public PrgState Execute(PrgState p)
{
IMyDictionary <String, int> symbolT = p.SymTable;
int id = expFileId.Eval(symbolT);
FileData fd;
p.FileTable.TryGetValue(id, out fd);
StreamReader bf = fd.FileDescriptor;
String s = bf.ReadLine();
int number;
if (s.Equals(""))
{
number = 0;
}
else
{
Int32.TryParse(s, out number);
}
if (symbolT.Exists(varName))
{
symbolT.Update(varName, number);
}
else
{
symbolT.Add(varName, number);
}
return(p);
}
public PrgState Execute(PrgState p)
{
try
{
this.Containsp(p);
StreamReader fs = new StreamReader("read.txt");
FileData f = new FileData(fileName, fs);
int id = IDGenerator.GenerateId();
p.FileTable.Add(id, f);
IMyDictionary <String, int> st = p.SymTable;
if (st.ContainsKey(var_file_id))
{
st.Update(var_file_id, id);
}
else
{
st.Add(var_file_id, id);
}
}
catch (NullReferenceException e)
{
Console.WriteLine(e.StackTrace);
}
return(p);
}
public PrgState Execute(PrgState state)
{
IMyDictionary <string, int> sym = state.SymTable;
IMyStack <IStmt> stk = state.ExeStack;
int val = expr.Eval(sym);
if (sym.Exists(id))
{
sym.Update(id, val);
}
else
{
sym.Add(id, val);
}
return(state);
}
