1 // RUN: %clang_cc1 %s -triple i686-pc-win32 -fsyntax-only -Wmicrosoft -Wc++11-extensions -Wno-long-long -verify -fms-extensions -fexceptions -fcxx-exceptions 2 3 4 // Microsoft doesn't validate exception specification. 5 namespace microsoft_exception_spec { 6 7 void foo(); // expected-note {{previous declaration}} 8 void foo() throw(); // expected-warning {{exception specification in declaration does not match previous declaration}} 9 10 void r6() throw(...); // expected-note {{previous declaration}} 11 void r6() throw(int); // expected-warning {{exception specification in declaration does not match previous declaration}} 12 13 struct Base { 14 virtual void f2(); 15 virtual void f3() throw(...); 16 }; 17 18 struct Derived : Base { 19 virtual void f2() throw(...); 20 virtual void f3(); 21 }; 22 23 class A { 24 virtual ~A() throw(); // expected-note {{overridden virtual function is here}} 25 }; 26 27 class B : public A { 28 virtual ~B(); // expected-warning {{exception specification of overriding function is more lax than base version}} 29 }; 30 31 } 32 33 // MSVC allows type definition in anonymous union and struct 34 struct A 35 { 36 union 37 { 38 int a; 39 struct B // expected-warning {{types declared in an anonymous union are a Microsoft extension}} 40 { 41 int c; 42 } d; 43 44 union C // expected-warning {{types declared in an anonymous union are a Microsoft extension}} 45 { 46 int e; 47 int ee; 48 } f; 49 50 typedef int D; // expected-warning {{types declared in an anonymous union are a Microsoft extension}} 51 struct F; // expected-warning {{types declared in an anonymous union are a Microsoft extension}} 52 }; 53 54 struct 55 { 56 int a2; 57 58 struct B2 // expected-warning {{types declared in an anonymous struct are a Microsoft extension}} 59 { 60 int c2; 61 } d2; 62 63 union C2 // expected-warning {{types declared in an anonymous struct are a Microsoft extension}} 64 { 65 int e2; 66 int ee2; 67 } f2; 68 69 typedef int D2; // expected-warning {{types declared in an anonymous struct are a Microsoft extension}} 70 struct F2; // expected-warning {{types declared in an anonymous struct are a Microsoft extension}} 71 }; 72 }; 73 74 // __stdcall handling 75 struct M { 76 int __stdcall addP(); 77 float __stdcall subtractP(); 78 }; 79 80 // __unaligned handling 81 typedef char __unaligned *aligned_type; 82 83 84 template<typename T> void h1(T (__stdcall M::* const )()) { } 85 86 void m1() { 87 h1<int>(&M::addP); 88 h1(&M::subtractP); 89 } 90 91 92 93 94 95 void f(long long); 96 void f(int); 97 98 int main() 99 { 100 // This is an ambiguous call in standard C++. 101 // This calls f(long long) in Microsoft mode because LL is always signed. 102 f(0xffffffffffffffffLL); 103 f(0xffffffffffffffffi64); 104 } 105 106 // Enumeration types with a fixed underlying type. 107 const int seventeen = 17; 108 typedef int Int; 109 110 struct X0 { 111 enum E1 : Int { SomeOtherValue } field; // expected-warning{{enumeration types with a fixed underlying type are a C++11 extension}} 112 enum E1 : seventeen; 113 }; 114 115 enum : long long { // expected-warning{{enumeration types with a fixed underlying type are a C++11 extension}} 116 SomeValue = 0x100000000 117 }; 118 119 120 class AAA { 121 __declspec(dllimport) void f(void) { } 122 void f2(void); // expected-note{{previous declaration is here}} 123 }; 124 125 __declspec(dllimport) void AAA::f2(void) { // expected-error{{dllimport cannot be applied to non-inline function definition}} 126 // expected-error@-1{{redeclaration of 'AAA::f2' cannot add 'dllimport' attribute}} 127 128 } 129 130 131 132 template <class T> 133 class BB { 134 public: 135 void f(int g = 10 ); // expected-note {{previous definition is here}} 136 }; 137 138 template <class T> 139 void BB<T>::f(int g = 0) { } // expected-warning {{redefinition of default argument}} 140 141 142 143 extern void static_func(); 144 void static_func(); // expected-note {{previous declaration is here}} 145 146 147 static void static_func() // expected-warning {{redeclaring non-static 'static_func' as static is a Microsoft extension}} 148 { 149 150 } 151 152 extern const int static_var; // expected-note {{previous declaration is here}} 153 static const int static_var = 3; // expected-warning {{redeclaring non-static 'static_var' as static is a Microsoft extension}} 154 155 long function_prototype(int a); 156 long (*function_ptr)(int a); 157 158 void function_to_voidptr_conv() { 159 void *a1 = function_prototype; 160 void *a2 = &function_prototype; 161 void *a3 = function_ptr; 162 } 163 164 165 void pointer_to_integral_type_conv(char* ptr) { 166 char ch = (char)ptr; 167 short sh = (short)ptr; 168 ch = (char)ptr; 169 sh = (short)ptr; 170 171 // These are valid C++. 172 bool b = (bool)ptr; 173 b = static_cast<bool>(ptr); 174 175 // This is bad. 176 b = reinterpret_cast<bool>(ptr); // expected-error {{cast from pointer to smaller type 'bool' loses information}} 177 } 178 179 namespace friend_as_a_forward_decl { 180 181 class A { 182 class Nested { 183 friend class B; 184 B* b; 185 }; 186 B* b; 187 }; 188 B* global_b; 189 190 191 void f() 192 { 193 class Local { 194 friend class Z; 195 Z* b; 196 }; 197 Z* b; 198 } 199 200 } 201 202 struct PR11150 { 203 class X { 204 virtual void f() = 0; 205 }; 206 207 int array[__is_abstract(X)? 1 : -1]; 208 }; 209 210 void f() { int __except = 0; } 211 212 void ::f(); // expected-warning{{extra qualification on member 'f'}} 213 214 class C { 215 C::C(); // expected-warning{{extra qualification on member 'C'}} 216 }; 217 218 struct StructWithProperty { 219 __declspec(property(get=GetV)) int V1; 220 __declspec(property(put=SetV)) int V2; 221 __declspec(property(get=GetV, put=SetV_NotExist)) int V3; 222 __declspec(property(get=GetV_NotExist, put=SetV)) int V4; 223 __declspec(property(get=GetV, put=SetV)) int V5; 224 225 int GetV() { return 123; } 226 void SetV(int i) {} 227 }; 228 void TestProperty() { 229 StructWithProperty sp; 230 int i = sp.V2; // expected-error{{no getter defined for property 'V2'}} 231 sp.V1 = 12; // expected-error{{no setter defined for property 'V1'}} 232 int j = sp.V4; // expected-error{{no member named 'GetV_NotExist' in 'StructWithProperty'}} expected-error{{cannot find suitable getter for property 'V4'}} 233 sp.V3 = 14; // expected-error{{no member named 'SetV_NotExist' in 'StructWithProperty'}} expected-error{{cannot find suitable setter for property 'V3'}} 234 int k = sp.V5; 235 sp.V5 = k++; 236 } 237 238 /* 4 tests for PseudoObject, begin */ 239 struct SP1 240 { 241 bool operator()() { return true; } 242 }; 243 struct SP2 244 { 245 __declspec(property(get=GetV)) SP1 V; 246 SP1 GetV() { return SP1(); } 247 }; 248 void TestSP2() { 249 SP2 sp2; 250 bool b = sp2.V(); 251 } 252 253 struct SP3 { 254 template <class T> 255 void f(T t) {} 256 }; 257 template <class T> 258 struct SP4 259 { 260 __declspec(property(get=GetV)) int V; 261 int GetV() { return 123; } 262 void f() { SP3 s2; s2.f(V); } 263 }; 264 void TestSP4() { 265 SP4<int> s; 266 s.f(); 267 } 268 269 template <class T> 270 struct SP5 271 { 272 __declspec(property(get=GetV)) T V; 273 int GetV() { return 123; } 274 void f() { int *p = new int[V]; } 275 }; 276 277 template <class T> 278 struct SP6 279 { 280 public: 281 __declspec(property(get=GetV)) T V; 282 T GetV() { return 123; } 283 void f() { int t = V; } 284 }; 285 void TestSP6() { 286 SP6<int> c; 287 c.f(); 288 } 289 /* 4 tests for PseudoObject, end */ 290 291 // Property access: explicit, implicit, with Qualifier 292 struct SP7 { 293 __declspec(property(get=GetV, put=SetV)) int V; 294 int GetV() { return 123; } 295 void SetV(int v) {} 296 297 void ImplicitAccess() { int i = V; V = i; } 298 void ExplicitAccess() { int i = this->V; this->V = i; } 299 }; 300 struct SP8: public SP7 { 301 void AccessWithQualifier() { int i = SP7::V; SP7::V = i; } 302 }; 303 304 // Property usage 305 template <class T> 306 struct SP9 { 307 __declspec(property(get=GetV, put=SetV)) T V; 308 T GetV() { return 0; } 309 void SetV(T v) {} 310 bool f() { V = this->V; return V < this->V; } 311 void g() { V++; } 312 void h() { V*=2; } 313 }; 314 struct SP10 { 315 SP10(int v) {} 316 bool operator<(const SP10& v) { return true; } 317 SP10 operator*(int v) { return *this; } 318 SP10 operator+(int v) { return *this; } 319 SP10& operator=(const SP10& v) { return *this; } 320 }; 321 void TestSP9() { 322 SP9<int> c; 323 int i = c.V; // Decl initializer 324 i = c.V; // Binary op operand 325 c.SetV(c.V); // CallExpr arg 326 int *p = new int[c.V + 1]; // Array size 327 p[c.V] = 1; // Array index 328 329 c.V = 123; // Setter 330 331 c.V++; // Unary op operand 332 c.V *= 2; // Unary op operand 333 334 SP9<int*> c2; 335 c2.V[0] = 123; // Array 336 337 SP9<SP10> c3; 338 c3.f(); // Overloaded binary op operand 339 c3.g(); // Overloaded incdec op operand 340 c3.h(); // Overloaded unary op operand 341 } 342 343 union u { 344 int *i1; 345 int &i2; // expected-warning {{union member 'i2' has reference type 'int &', which is a Microsoft extension}} 346 }; 347 348 // Property getter using reference. 349 struct SP11 { 350 __declspec(property(get=GetV)) int V; 351 int _v; 352 int& GetV() { return _v; } 353 void UseV(); 354 void TakePtr(int *) {} 355 void TakeRef(int &) {} 356 void TakeVal(int) {} 357 }; 358 359 void SP11::UseV() { 360 TakePtr(&V); 361 TakeRef(V); 362 TakeVal(V); 363 } 364 365 struct StructWithUnnamedMember { 366 __declspec(property(get=GetV)) int : 10; // expected-error {{anonymous property is not supported}} 367 }; 368 369 namespace rdar14250378 { 370 class Bar {}; 371 372 namespace NyNamespace { 373 class Foo { 374 public: 375 Bar* EnsureBar(); 376 }; 377 378 class Baz : public Foo { 379 public: 380 friend class Bar; 381 }; 382 383 Bar* Foo::EnsureBar() { 384 return 0; 385 } 386 } 387 } 388 389 // expected-error@+1 {{'sealed' keyword not permitted with interface types}} 390 __interface InterfaceWithSealed sealed { 391 }; 392 393 struct SomeBase { 394 virtual void OverrideMe(); 395 396 // expected-note@+2 {{overridden virtual function is here}} 397 // expected-warning@+1 {{'sealed' keyword is a Microsoft extension}} 398 virtual void SealedFunction() sealed; 399 }; 400 401 // expected-note@+2 {{'SealedType' declared here}} 402 // expected-warning@+1 {{'sealed' keyword is a Microsoft extension}} 403 struct SealedType sealed : SomeBase { 404 // expected-error@+1 {{declaration of 'SealedFunction' overrides a 'sealed' function}} 405 virtual void SealedFunction(); 406 407 // expected-warning@+1 {{'override' keyword is a C++11 extension}} 408 virtual void OverrideMe() override; 409 }; 410 411 // expected-error@+1 {{base 'SealedType' is marked 'sealed'}} 412 struct InheritFromSealed : SealedType {}; 413 414 void AfterClassBody() { 415 // expected-warning@+1 {{attribute 'deprecated' is ignored, place it after "struct" to apply attribute to type declaration}} 416 struct D {} __declspec(deprecated); 417 418 struct __declspec(align(4)) S {} __declspec(align(8)) s1; 419 S s2; 420 _Static_assert(__alignof(S) == 4, ""); 421 _Static_assert(__alignof(s1) == 8, ""); 422 _Static_assert(__alignof(s2) == 4, ""); 423 } 424
