if err != nil {
				return err
			}

			matchingServices := make([]corev1.Service, 0, len(svcs.Items))
			for _, svc := range svcs.Items {
				if len(svc.Spec.Selector) > 0 {
					svcSelector := klabels.SelectorFromSet(svc.Spec.Selector)
					if svcSelector.Matches(podLabels) {
						matchingServices = append(matchingServices, svc)
					}
				}
			}
			// Validate Istio's "Service association" requirement

			expr = &ast.CallExpr{Fun: expr}
		}
	case ctxSelector:
		if r.Name.Kind == "var" {
			expr = &ast.StarExpr{Star: (*r.Expr).Pos(), X: expr}
		} else {
			error_(r.Pos(), "only C variables allowed in selector expression %s", fixGo(r.Name.Go))
		}
	case ctxType:
		if r.Name.Kind != "type" {
			error_(r.Pos(), "expression C.%s used as type", fixGo(r.Name.Go))
		} else if r.Name.Type == nil {