1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
2 | template<typename T> |
3 | struct is_pointer { |
4 | static const bool value = false; |
5 | }; |
6 | |
7 | template<typename T> |
8 | struct is_pointer<T*> { |
9 | static const bool value = true; |
10 | }; |
11 | |
12 | template<typename T> |
13 | struct is_pointer<const T*> { |
14 | static const bool value = true; |
15 | }; |
16 | |
17 | int array0[is_pointer<int>::value? -1 : 1]; |
18 | int array1[is_pointer<int*>::value? 1 : -1]; |
19 | int array2[is_pointer<const int*>::value? 1 : -1]; |
20 | |
21 | template<typename T> |
22 | struct is_lvalue_reference { |
23 | static const bool value = false; |
24 | }; |
25 | |
26 | template<typename T> |
27 | struct is_lvalue_reference<T&> { |
28 | static const bool value = true; |
29 | }; |
30 | |
31 | int lvalue_ref0[is_lvalue_reference<int>::value? -1 : 1]; |
32 | int lvalue_ref1[is_lvalue_reference<const int&>::value? 1 : -1]; |
33 | |
34 | template<typename T> |
35 | struct is_const { |
36 | static const bool value = false; |
37 | }; |
38 | |
39 | template<typename T> |
40 | struct is_const<const T> { |
41 | static const bool value = true; |
42 | }; |
43 | |
44 | int is_const0[is_const<int>::value? -1 : 1]; |
45 | int is_const1[is_const<const int>::value? 1 : -1]; |
46 | int is_const2[is_const<const volatile int>::value? 1 : -1]; |
47 | int is_const3[is_const<const int [3]>::value? 1 : -1]; |
48 | int is_const4[is_const<const volatile int[3]>::value? 1 : -1]; |
49 | int is_const5[is_const<volatile int[3]>::value? -1 : 1]; |
50 | |
51 | template<typename T> |
52 | struct is_volatile { |
53 | static const bool value = false; |
54 | }; |
55 | |
56 | template<typename T> |
57 | struct is_volatile<volatile T> { |
58 | static const bool value = true; |
59 | }; |
60 | |
61 | int is_volatile0[is_volatile<int>::value? -1 : 1]; |
62 | int is_volatile1[is_volatile<volatile int>::value? 1 : -1]; |
63 | int is_volatile2[is_volatile<const volatile int>::value? 1 : -1]; |
64 | int is_volatile3[is_volatile<volatile char[3]>::value? 1 : -1]; |
65 | |
66 | template<typename T, typename U> |
67 | struct is_same { |
68 | static const bool value = false; |
69 | }; |
70 | |
71 | template<typename T> |
72 | struct is_same<T, T> { |
73 | static const bool value = true; |
74 | }; |
75 | |
76 | typedef int INT; |
77 | typedef INT* int_ptr; |
78 | |
79 | int is_same0[is_same<int, int>::value? 1 : -1]; |
80 | int is_same1[is_same<int, INT>::value? 1 : -1]; |
81 | int is_same2[is_same<const int, int>::value? -1 : 1]; |
82 | int is_same3[is_same<int_ptr, int>::value? -1 : 1]; |
83 | |
84 | template<typename T> |
85 | struct remove_reference { |
86 | typedef T type; |
87 | }; |
88 | |
89 | template<typename T> |
90 | struct remove_reference<T&> { |
91 | typedef T type; |
92 | }; |
93 | |
94 | int remove_ref0[is_same<remove_reference<int>::type, int>::value? 1 : -1]; |
95 | int remove_ref1[is_same<remove_reference<int&>::type, int>::value? 1 : -1]; |
96 | |
97 | template<typename T> |
98 | struct remove_const { |
99 | typedef T type; |
100 | }; |
101 | |
102 | template<typename T> |
103 | struct remove_const<const T> { |
104 | typedef T type; |
105 | }; |
106 | |
107 | int remove_const0[is_same<remove_const<const int>::type, int>::value? 1 : -1]; |
108 | int remove_const1[is_same<remove_const<const int[3]>::type, int[3]>::value? 1 : -1]; |
109 | |
110 | template<typename T> |
111 | struct is_incomplete_array { |
112 | static const bool value = false; |
113 | }; |
114 | |
115 | template<typename T> |
116 | struct is_incomplete_array<T[]> { |
117 | static const bool value = true; |
118 | }; |
119 | |
120 | int incomplete_array0[is_incomplete_array<int>::value ? -1 : 1]; |
121 | int incomplete_array1[is_incomplete_array<int[1]>::value ? -1 : 1]; |
122 | int incomplete_array2[is_incomplete_array<bool[]>::value ? 1 : -1]; |
123 | int incomplete_array3[is_incomplete_array<int[]>::value ? 1 : -1]; |
124 | |
125 | template<typename T> |
126 | struct is_array_with_4_elements { |
127 | static const bool value = false; |
128 | }; |
129 | |
130 | template<typename T> |
131 | struct is_array_with_4_elements<T[4]> { |
132 | static const bool value = true; |
133 | }; |
134 | |
135 | int array_with_4_elements0[is_array_with_4_elements<int[]>::value ? -1 : 1]; |
136 | int array_with_4_elements1[is_array_with_4_elements<int[1]>::value ? -1 : 1]; |
137 | int array_with_4_elements2[is_array_with_4_elements<int[4]>::value ? 1 : -1]; |
138 | int array_with_4_elements3[is_array_with_4_elements<int[4][2]>::value ? 1 : -1]; |
139 | |
140 | template<typename T> |
141 | struct get_array_size; |
142 | |
143 | template<typename T, unsigned N> |
144 | struct get_array_size<T[N]> { |
145 | static const unsigned value = N; |
146 | }; |
147 | |
148 | int array_size0[get_array_size<int[12]>::value == 12? 1 : -1]; |
149 | |
150 | template<typename T> |
151 | struct remove_extent { |
152 | typedef T type; |
153 | }; |
154 | |
155 | template<typename T> |
156 | struct remove_extent<T[]> { |
157 | typedef T type; |
158 | }; |
159 | |
160 | template<typename T, unsigned N> |
161 | struct remove_extent<T[N]> { |
162 | typedef T type; |
163 | }; |
164 | |
165 | int remove_extent0[is_same<remove_extent<int[][5]>::type, int[5]>::value? 1 : -1]; |
166 | int remove_extent1[is_same<remove_extent<const int[][5]>::type, const int[5]>::value? 1 : -1]; |
167 | |
168 | template<typename T> |
169 | struct is_unary_function { |
170 | static const bool value = false; |
171 | }; |
172 | |
173 | template<typename T, typename U> |
174 | struct is_unary_function<T (*)(U)> { |
175 | static const bool value = true; |
176 | }; |
177 | |
178 | int is_unary_function0[is_unary_function<int>::value ? -1 : 1]; |
179 | int is_unary_function1[is_unary_function<int (*)()>::value ? -1 : 1]; |
180 | int is_unary_function2[is_unary_function<int (*)(int, bool)>::value ? -1 : 1]; |
181 | int is_unary_function3[is_unary_function<int (*)(bool)>::value ? 1 : -1]; |
182 | int is_unary_function4[is_unary_function<int (*)(int)>::value ? 1 : -1]; |
183 | |
184 | template<typename T> |
185 | struct is_unary_function_with_same_return_type_as_argument_type { |
186 | static const bool value = false; |
187 | }; |
188 | |
189 | template<typename T> |
190 | struct is_unary_function_with_same_return_type_as_argument_type<T (*)(T)> { |
191 | static const bool value = true; |
192 | }; |
193 | |
194 | int is_unary_function5[is_unary_function_with_same_return_type_as_argument_type<int>::value ? -1 : 1]; |
195 | int is_unary_function6[is_unary_function_with_same_return_type_as_argument_type<int (*)()>::value ? -1 : 1]; |
196 | int is_unary_function7[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, bool)>::value ? -1 : 1]; |
197 | int is_unary_function8[is_unary_function_with_same_return_type_as_argument_type<int (*)(bool)>::value ? -1 : 1]; |
198 | int is_unary_function9[is_unary_function_with_same_return_type_as_argument_type<int (*)(int)>::value ? 1 : -1]; |
199 | int is_unary_function10[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, ...)>::value ? -1 : 1]; |
200 | int is_unary_function11[is_unary_function_with_same_return_type_as_argument_type<int (* const)(int)>::value ? -1 : 1]; |
201 | |
202 | template<typename T> |
203 | struct is_binary_function { |
204 | static const bool value = false; |
205 | }; |
206 | |
207 | template<typename R, typename T1, typename T2> |
208 | struct is_binary_function<R(T1, T2)> { |
209 | static const bool value = true; |
210 | }; |
211 | |
212 | int is_binary_function0[is_binary_function<int(float, double)>::value? 1 : -1]; |
213 | |
214 | template<typename T> |
215 | struct is_member_pointer { |
216 | static const bool value = false; |
217 | }; |
218 | |
219 | template<typename T, typename Class> |
220 | struct is_member_pointer<T Class::*> { |
221 | static const bool value = true; |
222 | }; |
223 | |
224 | struct X { }; |
225 | |
226 | int is_member_pointer0[is_member_pointer<int X::*>::value? 1 : -1]; |
227 | int is_member_pointer1[is_member_pointer<const int X::*>::value? 1 : -1]; |
228 | int is_member_pointer2[is_member_pointer<int (X::*)()>::value? 1 : -1]; |
229 | int is_member_pointer3[is_member_pointer<int (X::*)(int) const>::value? 1 : -1]; |
230 | int is_member_pointer4[is_member_pointer<int (X::**)(int) const>::value? -1 : 1]; |
231 | int is_member_pointer5[is_member_pointer<int>::value? -1 : 1]; |
232 | |
233 | template<typename T> |
234 | struct is_member_function_pointer { |
235 | static const bool value = false; |
236 | }; |
237 | |
238 | template<typename T, typename Class> |
239 | struct is_member_function_pointer<T (Class::*)()> { |
240 | static const bool value = true; |
241 | }; |
242 | |
243 | template<typename T, typename Class> |
244 | struct is_member_function_pointer<T (Class::*)() const> { |
245 | static const bool value = true; |
246 | }; |
247 | |
248 | template<typename T, typename Class> |
249 | struct is_member_function_pointer<T (Class::*)() volatile> { |
250 | static const bool value = true; |
251 | }; |
252 | |
253 | template<typename T, typename Class> |
254 | struct is_member_function_pointer<T (Class::*)() const volatile> { |
255 | static const bool value = true; |
256 | }; |
257 | |
258 | template<typename T, typename Class, typename A1> |
259 | struct is_member_function_pointer<T (Class::*)(A1)> { |
260 | static const bool value = true; |
261 | }; |
262 | |
263 | template<typename T, typename Class, typename A1> |
264 | struct is_member_function_pointer<T (Class::*)(A1) const> { |
265 | static const bool value = true; |
266 | }; |
267 | |
268 | template<typename T, typename Class, typename A1> |
269 | struct is_member_function_pointer<T (Class::*)(A1) volatile> { |
270 | static const bool value = true; |
271 | }; |
272 | |
273 | template<typename T, typename Class, typename A1> |
274 | struct is_member_function_pointer<T (Class::*)(A1) const volatile> { |
275 | static const bool value = true; |
276 | }; |
277 | |
278 | int is_member_function_pointer0[ |
279 | is_member_function_pointer<int X::*>::value? -1 : 1]; |
280 | int is_member_function_pointer1[ |
281 | is_member_function_pointer<int (X::*)()>::value? 1 : -1]; |
282 | int is_member_function_pointer2[ |
283 | is_member_function_pointer<X (X::*)(X&)>::value? 1 : -1]; |
284 | int is_member_function_pointer3[ |
285 | is_member_function_pointer<int (X::*)() const>::value? 1 : -1]; |
286 | int is_member_function_pointer4[ |
287 | is_member_function_pointer<int (X::*)(float) const>::value? 1 : -1]; |
288 | |
289 | // Test substitution of non-dependent arguments back into the template |
290 | // argument list of the class template partial specialization. |
291 | template<typename T, typename ValueType = T> |
292 | struct is_nested_value_type_identity { |
293 | static const bool value = false; |
294 | }; |
295 | |
296 | template<typename T> |
297 | struct is_nested_value_type_identity<T, typename T::value_type> { |
298 | static const bool value = true; |
299 | }; |
300 | |
301 | template<typename T> |
302 | struct HasValueType { |
303 | typedef T value_type; |
304 | }; |
305 | |
306 | struct HasIdentityValueType { |
307 | typedef HasIdentityValueType value_type; |
308 | }; |
309 | |
310 | struct NoValueType { }; |
311 | |
312 | int is_nested_value_type_identity0[ |
313 | is_nested_value_type_identity<HasValueType<int> >::value? -1 : 1]; |
314 | int is_nested_value_type_identity1[ |
315 | is_nested_value_type_identity<HasIdentityValueType>::value? 1 : -1]; |
316 | int is_nested_value_type_identity2[ |
317 | is_nested_value_type_identity<NoValueType>::value? -1 : 1]; |
318 | |
319 | |
320 | // C++ [temp.class.spec]p4: |
321 | template<class T1, class T2, int I> class A { }; //#1 |
322 | template<class T, int I> class A<T, T*, I> { }; //#2 |
323 | template<class T1, class T2, int I> class A<T1*, T2, I> { }; //#3 |
324 | template<class T> class A<int, T*, 5> { }; //#4 |
325 | template<class T1, class T2, int I> class A<T1, T2*, I> { }; //#5 |
326 | |
327 | // Redefinition of class template partial specializations |
328 | template<typename T, T N, typename U> class A0; |
329 | |
330 | template<typename T, T N> class A0<T, N, int> { }; // expected-note{{here}} |
331 | template<typename T, T N> class A0<T, N, int>; |
332 | template<typename T, T N> class A0<T, N, int> { }; // expected-error{{redef}} |
333 | |
334 | namespace PR6025 { |
335 | template< int N > struct A; |
336 | |
337 | namespace N |
338 | { |
339 | template< typename F > |
340 | struct B; |
341 | } |
342 | |
343 | template< typename Protect, typename Second > |
344 | struct C; |
345 | |
346 | template <class T> |
347 | struct C< T, A< N::B<T>::value > > |
348 | { |
349 | }; |
350 | } |
351 | |
352 | namespace PR6181 { |
353 | template <class T> |
354 | class a; |
355 | |
356 | class s; |
357 | |
358 | template <class U> |
359 | class a<s> // expected-error{{partial specialization of 'a' does not use any of its template parameters}} |
360 | { |
361 | }; |
362 | |
363 | } |
364 | |