Function RuntimeImplFromBuilder

runtime/regex_precompilation.cc:37–50

using ::google::api::expr::runtime::CreateRegexPrecompilationExtension;

absl::StatusOr<RuntimeImpl*> RuntimeImplFromBuilder(RuntimeBuilder& builder) {
  Runtime& runtime = RuntimeFriendAccess::GetMutableRuntime(builder);

  if (RuntimeFriendAccess::RuntimeTypeId(runtime) !=
      NativeTypeId::For<RuntimeImpl>()) {
    return absl::UnimplementedError(
        "regex precompilation only supported on the default cel::Runtime "
        "implementation.");
  }

  RuntimeImpl& runtime_impl = down_cast<RuntimeImpl&>(runtime);

  return &runtime_impl;
}

}  // namespace