private void PerformTableSet <T>(LinkedListIndex <T, TablePair> listIndex, T key, DynValue keyDynValue, DynValue value, bool isNumber, int appendKey)
{
TablePair prev = listIndex.Set(key, new TablePair(keyDynValue, value));
// If this is an insert, we can invalidate all iterators and collect dead keys
if (m_ContainsNilEntries && value.IsNotNil() && (prev.Value == null || prev.Value.IsNil()))
{
CollectDeadKeys();
}
// If this value is nil (and we didn't collect), set that there are nil entries, and invalidate array len cache
else if (value.IsNil())
{
m_ContainsNilEntries = true;
if (isNumber)
{
m_CachedLength = -1;
}
}
else if (isNumber)
{
// If this is an array insert, we might have to invalidate the array length
if (prev.Value == null || prev.Value.IsNilOrNan())
{
// If this is an array append, let's check the next element before blindly invalidating
if (appendKey >= 0)
{
LinkedListNode <TablePair> next = m_ArrayMap.Find(appendKey + 1);
if (next == null || next.Value.Value == null || next.Value.Value.IsNil())
{
m_CachedLength += 1;
}
else
{
m_CachedLength = -1;
}
}
else
{
m_CachedLength = -1;
}
}
}
}
/// <summary>
/// Checks if the type is a specific userdata type, and returns it or throws.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="funcName">Name of the function.</param>
/// <param name="argNum">The argument number.</param>
/// <param name="flags">The flags.</param>
/// <returns></returns>
public T CheckUserDataType <T>(string funcName, int argNum = -1, TypeValidationFlags flags = TypeValidationFlags.Default)
{
DynValue v = this.CheckType(funcName, DataType.UserData, argNum, flags);
bool allowNil = ((int)(flags & TypeValidationFlags.AllowNil) != 0);
if (v.IsNil())
{
return(default(T));
}
object o = v.UserData.Object;
if (o != null && o is T)
{
return((T)o);
}
throw ScriptRuntimeException.BadArgumentUserData(argNum, funcName, typeof(T), o, allowNil);
}
/// <summary>
/// Returns the next pair from a value
/// </summary>
public TablePair?NextKey(DynValue v)
{
if (v.IsNil())
{
LinkedListNode <TablePair> node = m_Values.First;
if (node == null)
{
return(TablePair.Nil);
}
else
{
if (node.Value.Value.IsNil())
{
return(NextKey(node.Value.Key));
}
else
{
return(node.Value);
}
}
}
if (v.Type == DataType.String)
{
return(GetNextOf(m_StringMap.Find(v.String)));
}
if (v.Type == DataType.Number)
{
int idx = GetIntegralKey(v.Number);
if (idx > 0)
{
return(GetNextOf(m_ArrayMap.Find(idx)));
}
}
return(GetNextOf(m_ValueMap.Find(v)));
}
/// <summary>
/// Sets the value associated to the specified key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
public void Set(DynValue key, DynValue value)
{
if (key.IsNilOrNan())
{
if (key.IsNil())
{
throw ScriptRuntimeException.TableIndexIsNil();
}
else
{
throw ScriptRuntimeException.TableIndexIsNaN();
}
}
if (key.Type == DataType.String)
{
Set(key.String, value);
return;
}
if (key.Type == DataType.Number)
{
int idx = GetIntegralKey(key.Number);
if (idx > 0)
{
Set(idx, value);
return;
}
}
this.CheckScriptOwnership(key);
this.CheckScriptOwnership(value);
PerformTableSet(m_ValueMap, key, key, value, false, -1);
}