internal bool BindInParent(SymbolId name, Binder binder)
{
Binding binding;
ContainsNestedFreeVariables = true;
if (TryGetBinding(name, out binding)) {
if (binding.IsGlobal) {
return false;
} else {
if (binding.IsDeleted) {
binder.ReportSyntaxError(string.Format("can not delete variable '{0}' referenced in nested scope", name.GetString()), this);
}
MakeEnvironment(name);
HasEnvironment = true;
return true;
}
}
if (parent != null) {
if (parent.BindInParent(name, binder)) {
IsClosure = true;
HasEnvironment = true;
return true;
}
}
return false;
}