public void DeclareVariable(string name, IMember value, VariableSource source, Location location, bool overwrite = false) { if (source == VariableSource.Import && value is IVariable v) { CurrentScope.LinkVariable(name, v, location); return; } var member = GetInScope(name); if (member != null) { if (!value.IsUnknown()) { CurrentScope.DeclareVariable(name, value, source, location); } } else { CurrentScope.DeclareVariable(name, value, source, location); } }