| 1 | // Header for PCH test cxx-templates.cpp |
| 2 | |
| 3 | template <typename T1, typename T2> |
| 4 | struct S; |
| 5 | |
| 6 | template <typename T1, typename T2> |
| 7 | struct S { |
| 8 | S() { } |
| 9 | static void templ(); |
| 10 | }; |
| 11 | |
| 12 | template <typename T> |
| 13 | struct S<int, T> { |
| 14 | static void partial(); |
| 15 | }; |
| 16 | |
| 17 | template <> |
| 18 | struct S<int, float> { |
| 19 | static void explicit_special(); |
| 20 | }; |
| 21 | |
| 22 | template <int x> |
| 23 | int tmpl_f2() { return x; } |
| 24 | |
| 25 | template <typename T, int y> |
| 26 | T templ_f(T x) { |
| 27 | int z = templ_f<int, 5>(3); |
| 28 | z = tmpl_f2<y+2>(); |
| 29 | T data[y]; |
| 30 | return x+y; |
| 31 | } |
| 32 | |
| 33 | void govl(int); |
| 34 | void govl(char); |
| 35 | |
| 36 | template <typename T> |
| 37 | struct Unresolv { |
| 38 | void f() { |
| 39 | govl(T()); |
| 40 | } |
| 41 | }; |
| 42 | |
| 43 | template <typename T> |
| 44 | struct Dep { |
| 45 | typedef typename T::type Ty; |
| 46 | void f() { |
| 47 | Ty x = Ty(); |
| 48 | T::my_f(); |
| 49 | int y = T::template my_templf<int>(0); |
| 50 | ovl(y); |
| 51 | } |
| 52 | |
| 53 | void ovl(int); |
| 54 | void ovl(float); |
| 55 | }; |
| 56 | |
| 57 | template<typename T, typename A1> |
| 58 | inline T make_a(const A1& a1) { |
| 59 | T::depend_declref(); |
| 60 | return T(a1); |
| 61 | } |
| 62 | |
| 63 | template <class T> class UseBase { |
| 64 | void foo(); |
| 65 | typedef int bar; |
| 66 | }; |
| 67 | |
| 68 | template <class T> class UseA : public UseBase<T> { |
| 69 | using UseBase<T>::foo; |
| 70 | using typename UseBase<T>::bar; |
| 71 | }; |
| 72 | |
| 73 | template <class T> class Sub : public UseBase<int> { }; |
| 74 | |
| 75 | template <class _Ret, class _Tp> |
| 76 | class mem_fun_t |
| 77 | { |
| 78 | public: |
| 79 | explicit |
| 80 | mem_fun_t(_Ret (_Tp::*__pf)()) |
| 81 | {} |
| 82 | |
| 83 | private: |
| 84 | _Ret (_Tp::*_M_f)(); |
| 85 | }; |
| 86 | |
| 87 | template<unsigned N> |
| 88 | bool isInt(int x); |
| 89 | |
| 90 | template<> bool isInt<8>(int x) { |
| 91 | try { ++x; } catch(...) { --x; } |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | template<typename _CharT> |
| 96 | int __copy_streambufs_eof(_CharT); |
| 97 | |
| 98 | class basic_streambuf |
| 99 | { |
| 100 | void m() { } |
| 101 | friend int __copy_streambufs_eof<>(int); |
| 102 | }; |
| 103 | |
| 104 | // PR 7660 |
| 105 | template<typename T> struct S_PR7660 { void g(void (*)(T)); }; |
| 106 | template<> void S_PR7660<int>::g(void(*)(int)) {} |
| 107 | |
| 108 | // PR 7670 |
| 109 | template<typename> class C_PR7670; |
| 110 | template<> class C_PR7670<int>; |
| 111 | template<> class C_PR7670<int>; |
| 112 | |
| 113 | template <bool B> |
| 114 | struct S2 { |
| 115 | static bool V; |
| 116 | }; |
| 117 | |
| 118 | extern template class S2<true>; |
| 119 | |
| 120 | template <typename T> |
| 121 | struct S3 { |
| 122 | void m(); |
| 123 | }; |
| 124 | |
| 125 | template <typename T> |
| 126 | inline void S3<T>::m() { } |
| 127 | |
| 128 | template <typename T> |
| 129 | struct S4 { |
| 130 | void m() { } |
| 131 | }; |
| 132 | extern template struct S4<int>; |
| 133 | |
| 134 | void S4ImplicitInst() { |
| 135 | S4<int> s; |
| 136 | s.m(); |
| 137 | } |
| 138 | |
| 139 | struct S5 { |
| 140 | S5(int x); |
| 141 | }; |
| 142 | |
| 143 | struct TS5 { |
| 144 | S5 s; |
| 145 | template <typename T> |
| 146 | TS5(T y) : s(y) {} |
| 147 | }; |
| 148 | |
| 149 | // PR 8134 |
| 150 | template<class T> void f_PR8134(T); |
| 151 | template<class T> void f_PR8134(T); |
| 152 | void g_PR8134() { f_PR8134(0); f_PR8134('x'); } |
| 153 | |
| 154 | // rdar8580149 |
| 155 | template <typename T> |
| 156 | struct S6; |
| 157 | |
| 158 | template <typename T, unsigned N> |
| 159 | struct S6<const T [N]> |
| 160 | { |
| 161 | private: |
| 162 | typedef const T t1[N]; |
| 163 | public: |
| 164 | typedef t1& t2; |
| 165 | }; |
| 166 | |
| 167 | template<typename T> |
| 168 | struct S7; |
| 169 | |
| 170 | template<unsigned N> |
| 171 | struct S7<int[N]> : S6<const int[N]> { }; |
| 172 | |
| 173 | // Zero-length template argument lists |
| 174 | namespace ZeroLengthExplicitTemplateArgs { |
| 175 | template<typename T> void h(); |
| 176 | |
| 177 | struct Y { |
| 178 | template<typename T> void f(); |
| 179 | }; |
| 180 | |
| 181 | template<typename T> |
| 182 | void f(T *ptr) { |
| 183 | T::template g<>(17); |
| 184 | ptr->template g2<>(17); |
| 185 | h<T>(); |
| 186 | h<int>(); |
| 187 | Y y; |
| 188 | y.f<int>(); |
| 189 | } |
| 190 | |
| 191 | struct X { |
| 192 | template<typename T> static void g(T); |
| 193 | template<typename T> void g2(T); |
| 194 | }; |
| 195 | } |
| 196 | |
| 197 | namespace NonTypeTemplateParmContext { |
| 198 | template<typename T, int inlineCapacity = 0> class Vector { }; |
| 199 | |
| 200 | struct String { |
| 201 | template<int inlineCapacity> |
| 202 | static String adopt(Vector<char, inlineCapacity>&); |
| 203 | }; |
| 204 | |
| 205 | template<int inlineCapacity> |
| 206 | inline bool equalIgnoringNullity(const Vector<char, inlineCapacity>& a, const String& b) { return false; } |
| 207 | } |
| 208 | |
| 209 | // <rdar://problem/11112464> |
| 210 | template< typename > class Foo; |
| 211 | |
| 212 | template< typename T > |
| 213 | class Foo : protected T |
| 214 | { |
| 215 | public: |
| 216 | Foo& operator=( const Foo& other ); |
| 217 | }; |
| 218 | |
| 219 | template<typename...A> struct NestedExpansion { |
| 220 | template<typename...B> auto f(A...a, B...b) -> decltype(g(a + b...)); |
| 221 | }; |
| 222 | template struct NestedExpansion<char, char, char>; |
| 223 | |
| 224 | namespace rdar13135282 { |
| 225 | template < typename _Alloc > |
| 226 | void foo(_Alloc = _Alloc()); |
| 227 | |
| 228 | template < bool > class __pool; |
| 229 | |
| 230 | template < template < bool > class _PoolTp > |
| 231 | struct __common_pool { |
| 232 | typedef _PoolTp < 0 > pool_type; |
| 233 | }; |
| 234 | |
| 235 | template < template < bool > class _PoolTp > |
| 236 | struct __common_pool_base : __common_pool < _PoolTp > {}; |
| 237 | |
| 238 | template < template < bool > class _PoolTp > |
| 239 | struct A : __common_pool_base < _PoolTp > {}; |
| 240 | |
| 241 | template < typename _Poolp = A < __pool > > |
| 242 | struct __mt_alloc { |
| 243 | typedef typename _Poolp::pool_type __pool_type; |
| 244 | __mt_alloc() { |
| 245 | foo<__mt_alloc<> >(); |
| 246 | } |
| 247 | }; |
| 248 | } |
| 249 | |
| 250 | namespace PR13020 { |
| 251 | template<typename T> |
| 252 | void f() { |
| 253 | enum E { |
| 254 | enumerator |
| 255 | }; |
| 256 | |
| 257 | T t = enumerator; |
| 258 | } |
| 259 | |
| 260 | template void f<int>(); |
| 261 | } |
| 262 | |
| 263 | template<typename T> void doNotDeserialize() {} |
| 264 | template<typename T> struct ContainsDoNotDeserialize { |
| 265 | static int doNotDeserialize; |
| 266 | }; |
| 267 | template<typename T> struct ContainsDoNotDeserialize2 { |
| 268 | static void doNotDeserialize(); |
| 269 | }; |
| 270 | template<typename T> int ContainsDoNotDeserialize<T>::doNotDeserialize = 0; |
| 271 | template<typename T> void ContainsDoNotDeserialize2<T>::doNotDeserialize() {} |
| 272 | |
| 273 | |
| 274 | template<typename T> void DependentSpecializedFunc(T x) { x.foo(); } |
| 275 | template<typename T> class DependentSpecializedFuncClass { |
| 276 | void foo() {} |
| 277 | friend void DependentSpecializedFunc<>(DependentSpecializedFuncClass); |
| 278 | }; |
| 279 | |
| 280 | namespace cyclic_module_load { |
| 281 | // Reduced from a libc++ modules crasher. |
| 282 | namespace std { |
| 283 | template<class> class mask_array; |
| 284 | template<class> class valarray { |
| 285 | public: |
| 286 | valarray(const valarray &v); |
| 287 | }; |
| 288 | |
| 289 | class gslice { |
| 290 | valarray<int> x; |
| 291 | valarray<int> stride() const { return x; } |
| 292 | }; |
| 293 | |
| 294 | template<class> class mask_array { |
| 295 | template<class> friend class valarray; |
| 296 | }; |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | namespace local_extern { |
| 301 | template<typename T> int f() { |
| 302 | extern int arr[3]; |
| 303 | { |
| 304 | extern T arr; |
| 305 | return sizeof(arr); |
| 306 | } |
| 307 | } |
| 308 | template<typename T> int g() { |
| 309 | extern int arr[3]; |
| 310 | extern T arr; |
| 311 | return sizeof(arr); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | namespace rdar15468709a { |
| 316 | template<typename> struct decay {}; |
| 317 | |
| 318 | template<typename FooParamTy> auto foo(FooParamTy fooParam) -> decltype(fooParam); |
| 319 | template<typename BarParamTy> auto bar(BarParamTy barParam) -> decay<decltype(barParam)>; |
| 320 | |
| 321 | struct B {}; |
| 322 | |
| 323 | void crash() { |
| 324 | B some; |
| 325 | bar(some); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | namespace rdar15468709b { |
| 330 | template<typename> struct decay {}; |
| 331 | |
| 332 | template<typename... Foos> int returnsInt(Foos... foos); |
| 333 | |
| 334 | template<typename... FooParamTy> auto foo(FooParamTy... fooParam) -> decltype(returnsInt(fooParam...)); |
| 335 | template<typename... BarParamTy> auto bar(BarParamTy... barParam) -> decay<decltype(returnsInt(barParam...))>; |
| 336 | |
| 337 | struct B {}; |
| 338 | |
| 339 | void crash() { |
| 340 | B some; |
| 341 | bar(some); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | namespace rdar15468709c { |
| 346 | template<typename> struct decay {}; |
| 347 | |
| 348 | template<class... Foos> int returnsInt(Foos... foos); |
| 349 | |
| 350 | template<typename FooParamTy> void foo(FooParamTy fooParam) { decltype(fooParam) a; } |
| 351 | template<typename BarParamTy> auto bar(BarParamTy barParam) -> decay<decltype(barParam)>; |
| 352 | |
| 353 | struct B {}; |
| 354 | |
| 355 | void crash() { |
| 356 | B some; |
| 357 | bar(some); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | namespace MemberSpecializationLocation { |
| 362 | template<typename T> struct A { static int n; }; |
| 363 | } |
| 364 | |
| 365 | // https://bugs.llvm.org/show_bug.cgi?id=34728 |
| 366 | namespace PR34728 { |
| 367 | |
| 368 | // case 1: defaulted `NonTypeTemplateParmDecl`, non-defaulted 2nd tpl param |
| 369 | template <int foo = 10, class T> |
| 370 | int func1(T const &); |
| 371 | |
| 372 | template <int foo, class T> |
| 373 | int func1(T const &) { |
| 374 | return foo; |
| 375 | } |
| 376 | |
| 377 | // case 2: defaulted `TemplateTypeParmDecl`, non-defaulted 2nd tpl param |
| 378 | template <class A = int, class B> |
| 379 | A func2(B const &); |
| 380 | |
| 381 | template <class A, class B> |
| 382 | A func2(B const &) { |
| 383 | return A(20.0f); |
| 384 | } |
| 385 | |
| 386 | // case 3: defaulted `TemplateTemplateParmDecl`, non-defaulted 2nd tpl param |
| 387 | template <class T> |
| 388 | struct Container { T const &item; }; |
| 389 | |
| 390 | template <template <class> class C = Container, class D> |
| 391 | C<D> func3(D const &); |
| 392 | |
| 393 | template <template <class> class C, class D> |
| 394 | C<D> func3(D const &d) { |
| 395 | return Container<D>{d}; |
| 396 | } |
| 397 | |
| 398 | } // end namespace PR34728 |
| 399 | |