Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
Douglas Gregor | 949bf69 | 2009-06-09 22:17:39 +0000 | [diff] [blame] | 2 | struct Y { |
| 3 | int x; |
| 4 | }; |
| 5 | |
| 6 | template<typename T> |
| 7 | struct X1 { |
| 8 | int f(T* ptr, int T::*pm) { // expected-error{{member pointer}} |
| 9 | return ptr->*pm; |
| 10 | } |
| 11 | }; |
| 12 | |
| 13 | template struct X1<Y>; |
| 14 | template struct X1<int>; // expected-note{{instantiation}} |
| 15 | |
| 16 | template<typename T, typename Class> |
| 17 | struct X2 { |
| 18 | T f(Class &obj, T Class::*pm) { // expected-error{{to a reference}} \ |
| 19 | // expected-error{{member pointer to void}} |
| 20 | return obj.*pm; |
| 21 | } |
| 22 | }; |
| 23 | |
| 24 | template struct X2<int, Y>; |
| 25 | template struct X2<int&, Y>; // expected-note{{instantiation}} |
| 26 | template struct X2<const void, Y>; // expected-note{{instantiation}} |
Douglas Gregor | 231edff | 2009-11-12 17:40:13 +0000 | [diff] [blame] | 27 | |
| 28 | template<typename T, typename Class, T Class::*Ptr> |
| 29 | struct X3 { |
| 30 | X3<T, Class, Ptr> &operator=(const T& value) { |
| 31 | return *this; |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | X3<int, Y, &Y::x> x3; |
Douglas Gregor | caddba0 | 2009-11-12 18:38:13 +0000 | [diff] [blame] | 36 | |
| 37 | typedef int Y::*IntMember; |
| 38 | |
| 39 | template<IntMember Member> |
| 40 | struct X4 { |
| 41 | X3<int, Y, Member> member; |
| 42 | |
| 43 | int &getMember(Y& y) { return y.*Member; } |
| 44 | }; |
| 45 | |
| 46 | int &get_X4(X4<&Y::x> x4, Y& y) { |
| 47 | return x4.getMember(y); |
| 48 | } |
Douglas Gregor | 15755cb | 2009-11-13 23:45:44 +0000 | [diff] [blame] | 49 | |
| 50 | template<IntMember Member> |
| 51 | void accept_X4(X4<Member>); |
| 52 | |
| 53 | void test_accept_X4(X4<&Y::x> x4) { |
| 54 | accept_X4(x4); |
| 55 | } |
Douglas Gregor | bb6e73f | 2010-05-11 08:41:30 +0000 | [diff] [blame] | 56 | |
| 57 | namespace ValueDepMemberPointer { |
| 58 | template <void (*)()> struct instantiate_function {}; |
| 59 | template <typename T> struct S { |
| 60 | static void instantiate(); |
| 61 | typedef instantiate_function<&S::instantiate> x; // expected-note{{instantiation}} |
| 62 | }; |
| 63 | template <typename T> void S<T>::instantiate() { |
Chandler Carruth | b2b5cc0 | 2011-01-04 04:44:35 +0000 | [diff] [blame] | 64 | int a[(int)sizeof(T)-42]; // expected-error{{array with a negative size}} |
Douglas Gregor | bb6e73f | 2010-05-11 08:41:30 +0000 | [diff] [blame] | 65 | } |
| 66 | S<int> s; |
| 67 | } |