public bool TryLookupLabel(string name, out LabelSymbol label) { label = null; // We only search for labels inside the current function var scope = this; var key = SymbolKey.FromLabel(name); while (true) { if (TryLookupSymbol(scope, key, out label, _ => false)) { return(true); } if (scope.Kind == ScopeKind.Function) // Not found in this function { return(false); } scope = scope.Parent; } }