Richard Smith | 762bb9d | 2011-10-13 22:29:44 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
Douglas Gregor | 683a81f | 2011-01-31 16:09:46 +0000 | [diff] [blame] | 2 | |
| 3 | template<typename T> |
| 4 | struct classify_function { |
| 5 | static const unsigned value = 0; |
| 6 | }; |
| 7 | |
| 8 | template<typename R, typename ...Args> |
| 9 | struct classify_function<R(Args...)> { |
| 10 | static const unsigned value = 1; |
| 11 | }; |
| 12 | |
| 13 | template<typename R, typename ...Args> |
| 14 | struct classify_function<R(Args...) const> { // expected-warning{{template argument of 'const' qualified function type is a GNU extension}} |
| 15 | static const unsigned value = 2; |
| 16 | }; |
| 17 | |
| 18 | template<typename R, typename ...Args> |
| 19 | struct classify_function<R(Args...) volatile> { // expected-warning{{template argument of 'volatile' qualified function type is a GNU extension}} |
| 20 | static const unsigned value = 3; |
| 21 | }; |
| 22 | |
| 23 | template<typename R, typename ...Args> |
| 24 | struct classify_function<R(Args...) const volatile> { // expected-warning{{template argument of 'const volatile' qualified function type is a GNU extension}} |
| 25 | static const unsigned value = 4; |
| 26 | }; |
| 27 | |
| 28 | template<typename R, typename ...Args> |
| 29 | struct classify_function<R(Args......)> { |
| 30 | static const unsigned value = 5; |
| 31 | }; |
| 32 | |
| 33 | template<typename R, typename ...Args> |
| 34 | struct classify_function<R(Args......) const> { // expected-warning{{template argument of 'const' qualified function type is a GNU extension}} |
| 35 | static const unsigned value = 6; |
| 36 | }; |
| 37 | |
| 38 | template<typename R, typename ...Args> |
| 39 | struct classify_function<R(Args......) volatile> { // expected-warning{{template argument of 'volatile' qualified function type is a GNU extension}} |
| 40 | static const unsigned value = 7; |
| 41 | }; |
| 42 | |
| 43 | template<typename R, typename ...Args> |
| 44 | struct classify_function<R(Args......) const volatile> { // expected-warning{{template argument of 'const volatile' qualified function type is a GNU extension}} |
| 45 | static const unsigned value = 8; |
| 46 | }; |
| 47 | |
| 48 | template<typename R, typename ...Args> |
| 49 | struct classify_function<R(Args......) &&> { // expected-warning{{template argument of '&&' qualified function type is a GNU extension}} |
| 50 | static const unsigned value = 9; |
| 51 | }; |
| 52 | |
| 53 | template<typename R, typename ...Args> |
| 54 | struct classify_function<R(Args......) const &> { // expected-warning{{template argument of 'const &' qualified function type is a GNU extension}} |
| 55 | static const unsigned value = 10; |
| 56 | }; |
| 57 | |
| 58 | typedef void f0(int) const; |
| 59 | typedef void f1(int, float...) const volatile; |
| 60 | typedef void f2(int, double, ...) &&; |
| 61 | typedef void f3(int, double, ...) const &; |
| 62 | |
| 63 | int check0[classify_function<f0>::value == 2? 1 : -1]; |
| 64 | int check1[classify_function<f1>::value == 8? 1 : -1]; |
| 65 | int check2[classify_function<f2>::value == 9? 1 : -1]; |
| 66 | int check3[classify_function<f3>::value == 10? 1 : -1]; |