/// <summary>
/// Gets index of variable within the context.
/// </summary>
public VariableHandle GetVarIndex(VariableName name)
{
Debug.Assert(name.IsValid());
// TODO: RW lock
int index;
if (!_varsIndex.TryGetValue(name, out index))
{
lock (_varsIndex)
{
index = _varsType.Length;
Array.Resize(ref _varsType, index + 1);
//
_varsIndex[name] = index;
}
}
//
return(new VariableHandle()
{
Slot = index, Name = name
});
}
/// <summary>
/// Gets index of variable within the context.
/// </summary>
public VariableHandle GetVarIndex(VariableName name)
{
Debug.Assert(name.IsValid());
if (_varsIndex.TryGetValue(name, out var index) == false)
{
lock (_varsIndex) // exclusive lock needed, ConcurrentDictionary does not lock the value factory
{
index = _varsType.Length;
Array.Resize(ref _varsType, index + 1);
//
_varsIndex[name] = index;
}
}
//
return(new VariableHandle()
{
Slot = index, Name = name
});
}
