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1 // RUN: %clang_cc1 %s -triple i386-pc-win32 -std=c++14 -fsyntax-only -Wno-unused-getter-return-value -Wno-unused-value -Wmicrosoft -verify -fms-extensions -fms-compatibility -fdelayed-template-parsing
2 
3 /* Microsoft attribute tests */
4 [repeatable][source_annotation_attribute( Parameter|ReturnValue )]
5 struct SA_Post{ SA_Post(); int attr; };
6 
7 [returnvalue:SA_Post( attr=1)]
8 int foo1([SA_Post(attr=1)] void *param);
9 
10 namespace {
11   [returnvalue:SA_Post(attr=1)]
12   int foo2([SA_Post(attr=1)] void *param);
13 }
14 
15 class T {
16   [returnvalue:SA_Post(attr=1)]
17   int foo3([SA_Post(attr=1)] void *param);
18 };
19 
20 extern "C" {
21   [returnvalue:SA_Post(attr=1)]
22   int foo5([SA_Post(attr=1)] void *param);
23 }
24 
25 class class_attr {
26 public:
27   class_attr([SA_Pre(Null=SA_No,NullTerminated=SA_Yes)]  int a)
28   {
29   }
30 };
31 
32 
33 
uuidof_test1()34 void uuidof_test1()
35 {
36   __uuidof(0);  // expected-error {{you need to include <guiddef.h> before using the '__uuidof' operator}}
37 }
38 
39 typedef struct _GUID
40 {
41     unsigned long  Data1;
42     unsigned short Data2;
43     unsigned short Data3;
44     unsigned char  Data4[8];
45 } GUID;
46 
47 struct __declspec(uuid(L"00000000-0000-0000-1234-000000000047")) uuid_attr_bad1 { };// expected-error {{'uuid' attribute requires a string}}
48 struct __declspec(uuid(3)) uuid_attr_bad2 { };// expected-error {{'uuid' attribute requires a string}}
49 struct __declspec(uuid("0000000-0000-0000-1234-0000500000047")) uuid_attr_bad3 { };// expected-error {{uuid attribute contains a malformed GUID}}
50 struct __declspec(uuid("0000000-0000-0000-Z234-000000000047")) uuid_attr_bad4 { };// expected-error {{uuid attribute contains a malformed GUID}}
51 struct __declspec(uuid("000000000000-0000-1234-000000000047")) uuid_attr_bad5 { };// expected-error {{uuid attribute contains a malformed GUID}}
52 
53 __declspec(uuid("000000A0-0000-0000-C000-000000000046")) int i; // expected-warning {{'uuid' attribute only applies to classes}}
54 
55 struct __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
56 struct_with_uuid { };
57 struct struct_without_uuid { };
58 
59 struct __declspec(uuid("000000A0-0000-0000-C000-000000000049"))
60 struct_with_uuid2;
61 
62 struct
63 struct_with_uuid2 {} ;
64 
uuid_sema_test()65 int uuid_sema_test()
66 {
67    struct_with_uuid var_with_uuid[1];
68    struct_without_uuid var_without_uuid[1];
69 
70    __uuidof(struct_with_uuid);
71    __uuidof(struct_with_uuid2);
72    __uuidof(struct_without_uuid); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
73    __uuidof(struct_with_uuid*);
74    __uuidof(struct_without_uuid*); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
75    __uuidof(struct_with_uuid[1]);
76    __uuidof(struct_with_uuid*[1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
77    __uuidof(const struct_with_uuid[1][1]);
78    __uuidof(const struct_with_uuid*[1][1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
79 
80    __uuidof(var_with_uuid);
81    __uuidof(var_without_uuid);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
82    __uuidof(var_with_uuid[1]);
83    __uuidof(var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
84    __uuidof(&var_with_uuid[1]);
85    __uuidof(&var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
86 
87    __uuidof(0);
88    __uuidof(1);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
89 }
90 
91 
92 template <class T>
template_uuid()93 void template_uuid()
94 {
95    T expr;
96 
97    __uuidof(T);
98    __uuidof(expr);
99 }
100 
101 
102 template <class T, const GUID* g = &__uuidof(T)> // expected-note {{template parameter is declared here}}
103 class COM_CLASS_TEMPLATE  { };
104 
105 typedef COM_CLASS_TEMPLATE<struct_with_uuid, &*&__uuidof(struct_with_uuid)> COM_TYPE_1; // expected-warning {{non-type template argument containing a dereference operation is a Microsoft extension}}
106 typedef COM_CLASS_TEMPLATE<struct_with_uuid> COM_TYPE_2;
107 
108 template <class T, const GUID& g>
109 class COM_CLASS_TEMPLATE_REF  { };
110 typedef COM_CLASS_TEMPLATE_REF<struct_with_uuid, __uuidof(struct_with_uuid)> COM_TYPE_REF;
111 
112   struct late_defined_uuid;
113   template<typename T>
test_late_defined_uuid()114   void test_late_defined_uuid() {
115     __uuidof(late_defined_uuid);
116   }
117   struct __declspec(uuid("000000A0-0000-0000-C000-000000000049")) late_defined_uuid;
118 
119 COM_CLASS_TEMPLATE_REF<int, __uuidof(struct_with_uuid)> good_template_arg;
120 
121 COM_CLASS_TEMPLATE<int, __uuidof(struct_with_uuid)> bad_template_arg; // expected-error {{non-type template argument of type 'const _GUID' is not a constant expression}}
122 
123 namespace PR16911 {
124 struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
125 struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid2;
126 
127 template <typename T, typename T2>
128 struct thing {
129 };
130 
131 struct empty {};
132 struct inher : public thing<empty, uuid2> {};
133 
134 struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
135 const struct _GUID *w = &__uuidof(inher); // expected-error{{cannot call operator __uuidof on a type with no GUID}}
136 const struct _GUID *x = &__uuidof(thing<uuid, inher>);
137 const struct _GUID *y = &__uuidof(thing<uuid2, uuid>); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
138 thing<uuid2, uuid> thing_obj = thing<uuid2, uuid>();
139 const struct _GUID *z = &__uuidof(thing_obj); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
140 }
141 
142 class CtorCall {
143 public:
144   CtorCall& operator=(const CtorCall& that);
145 
146   int a;
147 };
148 
operator =(const CtorCall & that)149 CtorCall& CtorCall::operator=(const CtorCall& that)
150 {
151     if (this != &that) {
152         this->CtorCall::~CtorCall();
153         this->CtorCall::CtorCall(that); // expected-warning {{explicit constructor calls are a Microsoft extension}}
154     }
155     return *this;
156 }
157 
158 template <class A>
159 class C1 {
160 public:
161   template <int B>
162   class Iterator {
163   };
164 };
165 
166 template<class T>
167 class C2  {
168   typename C1<T>:: /*template*/  Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
169 };
170 
171 template <class T>
missing_template_keyword()172 void missing_template_keyword(){
173   typename C1<T>:: /*template*/ Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
174 }
175 
176 
177 
178 class AAAA {
179    typedef int D;
180 };
181 
182 template <typename T>
183 class SimpleTemplate {};
184 
185 template <class T>
redundant_typename()186 void redundant_typename() {
187    typename T t;// expected-warning {{expected a qualified name after 'typename'}}
188    typename AAAA a;// expected-warning {{expected a qualified name after 'typename'}}
189 
190    t = 3;
191 
192    typedef typename T* pointerT;// expected-warning {{expected a qualified name after 'typename'}}
193    typedef typename SimpleTemplate<int> templateT;// expected-warning {{expected a qualified name after 'typename'}}
194 
195    pointerT pT = &t;
196    *pT = 4;
197 
198    int var;
199    int k = typename var;// expected-error {{expected a qualified name after 'typename'}}
200 }
201 
202 template <typename T>
203 struct TypenameWrongPlace {
204   typename typedef T::D D;// expected-warning {{expected a qualified name after 'typename'}}
205 };
206 
207 extern TypenameWrongPlace<AAAA> PR16925;
208 
209 __interface MicrosoftInterface;
210 __interface MicrosoftInterface {
211    void foo1() = 0; // expected-note {{overridden virtual function is here}}
212    virtual void foo2() = 0;
213 };
214 
215 __interface MicrosoftDerivedInterface : public MicrosoftInterface {
216   void foo1(); // expected-warning {{'foo1' overrides a member function but is not marked 'override'}}
217   void foo2() override;
218   void foo3();
219 };
220 
221 void interface_test() {
222   MicrosoftInterface* a;
223   a->foo1();
224   MicrosoftDerivedInterface* b;
225   b->foo2();
226 }
227 
228 __int64 x7 = __int64(0);
229 _int64 x8 = _int64(0);
230 static_assert(sizeof(_int64) == 8, "");
231 static_assert(sizeof(_int32) == 4, "");
232 static_assert(sizeof(_int16) == 2, "");
233 static_assert(sizeof(_int8) == 1, "");
234 
235 int __identifier(generic) = 3;
236 int __identifier(int) = 4;
237 struct __identifier(class) { __identifier(class) *__identifier(for); };
238 __identifier(class) __identifier(struct) = { &__identifier(struct) };
239 
240 int __identifier for; // expected-error {{missing '(' after '__identifier'}}
241 int __identifier(else} = __identifier(for); // expected-error {{missing ')' after identifier}} expected-note {{to match this '('}}
242 #define identifier_weird(x) __identifier(x
243 int k = identifier_weird(if)); // expected-error {{use of undeclared identifier 'if'}}
244 
245 // This is a bit weird, but the alternative tokens aren't keywords, and this
246 // behavior matches MSVC. FIXME: Consider supporting this anyway.
247 extern int __identifier(and) r; // expected-error {{cannot convert '&&' token to an identifier}}
248 
249 void f() {
250   __identifier(() // expected-error {{cannot convert '(' token to an identifier}}
251   __identifier(void) // expected-error {{use of undeclared identifier 'void'}}
252   __identifier()) // expected-error {{cannot convert ')' token to an identifier}}
253   // FIXME: We should pick a friendlier display name for this token kind.
254   __identifier(1) // expected-error {{cannot convert <numeric_constant> token to an identifier}}
255   __identifier(+) // expected-error {{cannot convert '+' token to an identifier}}
256   __identifier("foo") // expected-error {{cannot convert <string_literal> token to an identifier}}
257   __identifier(;) // expected-error {{cannot convert ';' token to an identifier}}
258 }
259 
260 class inline_definition_pure_spec {
261    virtual int f() = 0 { return 0; }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
262    virtual int f2() = 0;
263 };
264 
265 struct pure_virtual_dtor {
266   virtual ~pure_virtual_dtor() = 0;
267 };
268 pure_virtual_dtor::~pure_virtual_dtor() { }
269 
270 struct pure_virtual_dtor_inline {
271   virtual ~pure_virtual_dtor_inline() = 0 { }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
272 };
273 
274 
275 int main () {
276   // Necessary to force instantiation in -fdelayed-template-parsing mode.
277   test_late_defined_uuid<int>();
278   redundant_typename<int>();
279   missing_template_keyword<int>();
280 }
281 
282 namespace access_protected_PTM {
283   class A {
284   protected:
285     void f(); // expected-note {{must name member using the type of the current context 'access_protected_PTM::B'}}
286   };
287 
288   class B : public A{
289   public:
290     void test_access();
291     static void test_access_static();
292   };
293 
294   void B::test_access() {
295     &A::f; // expected-error {{'f' is a protected member of 'access_protected_PTM::A'}}
296   }
297 
298   void B::test_access_static() {
299     &A::f;
300   }
301 }
302 
303 namespace Inheritance {
304   class __single_inheritance A;
305   class __multiple_inheritance B;
306   class __virtual_inheritance C;
307 }
308 
309 struct StructWithProperty {
310   __declspec(property) int V0; // expected-error {{expected '(' after 'property'}}
311   __declspec(property()) int V1; // expected-error {{property does not specify a getter or a putter}}
312   __declspec(property(set)) int V2; // expected-error {{putter for property must be specified as 'put', not 'set'}} expected-error {{expected '=' after 'set'}}
313   __declspec(property(ptu)) int V3; // expected-error {{missing 'get=' or 'put='}}
314   __declspec(property(ptu=PutV)) int V4; // expected-error {{expected 'get' or 'put' in property declaration}}
315   __declspec(property(get)) int V5; // expected-error {{expected '=' after 'get'}}
316   __declspec(property(get&)) int V6; // expected-error {{expected '=' after 'get'}}
317   __declspec(property(get=)) int V7; // expected-error {{expected name of accessor method}}
318   __declspec(property(get=GetV)) int V8; // no-warning
319   __declspec(property(get=GetV=)) int V9; // expected-error {{expected ',' or ')' at end of property accessor list}}
320   __declspec(property(get=GetV,)) int V10; // expected-error {{expected 'get' or 'put' in property declaration}}
321   __declspec(property(get=GetV,put=SetV)) int V11; // no-warning
322   __declspec(property(get=GetV,put=SetV,get=GetV)) int V12; // expected-error {{property declaration specifies 'get' accessor twice}}
323   __declspec(property(get=GetV)) int V13 = 3; // expected-error {{property declaration cannot have an in-class initializer}}
324 
325   int GetV() { return 123; }
326   void SetV(int v) {}
327 };
328 void TestProperty() {
329   StructWithProperty sp;
330   sp.V8;
331   sp.V8 = 0; // expected-error {{no setter defined for property 'V8'}}
332   int i = sp.V11;
333   sp.V11 = i++;
334   sp.V11 += 8;
335   sp.V11++;
336   ++sp.V11;
337 }
338 
339 //expected-warning@+1 {{C++ operator 'and' (aka '&&') used as a macro name}}
340 #define and foo
341 
342 struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) __declspec(novtable) IUnknown {};
343 
344 typedef bool (__stdcall __stdcall *blarg)(int);
345 
346 void local_callconv() {
347   bool (__stdcall *p)(int);
348 }
349 
350 struct S7 {
351 	int foo() { return 12; }
352 	__declspec(property(get=foo) deprecated) int t; // expected-note {{'t' has been explicitly marked deprecated here}}
353 };
354 
355 // Technically, this is legal (though it does nothing)
356 __declspec() void quux( void ) {
357   struct S7 s;
358   int i = s.t;	// expected-warning {{'t' is deprecated}}
359 }
360 
361 void *_alloca(int);
362 
363 void foo(void) {
364   __declspec(align(16)) int *buffer = (int *)_alloca(9);
365 }
366 
367 template <int *>
368 struct NullptrArg {};
369 NullptrArg<nullptr> a;
370 
371 // Ignored type qualifiers after comma in declarator lists
372 typedef int ignored_quals_dummy1, const volatile __ptr32 __ptr64 __w64 __unaligned __sptr __uptr ignored_quals1; // expected-warning {{qualifiers after comma in declarator list are ignored}}
373 typedef void(*ignored_quals_dummy2)(), __fastcall ignored_quals2; // expected-warning {{qualifiers after comma in declarator list are ignored}}
374 typedef void(*ignored_quals_dummy3)(), __stdcall ignored_quals3; // expected-warning {{qualifiers after comma in declarator list are ignored}}
375 typedef void(*ignored_quals_dummy4)(), __thiscall ignored_quals4; // expected-warning {{qualifiers after comma in declarator list are ignored}}
376 typedef void(*ignored_quals_dummy5)(), __cdecl ignored_quals5; // expected-warning {{qualifiers after comma in declarator list are ignored}}
377 typedef void(*ignored_quals_dummy6)(), __vectorcall ignored_quals6; // expected-warning {{qualifiers after comma in declarator list are ignored}}
378 
379 namespace {
380 bool f(int);
381 template <typename T>
382 struct A {
383   constexpr A(T t) {
384     __assume(f(t)); // expected-warning{{the argument to '__assume' has side effects that will be discarded}}
385   }
386   constexpr bool g() { return false; }
387 };
388 constexpr A<int> h() {
389   A<int> b(0); // expected-note {{in instantiation of member function}}
390   return b;
391 }
392 static_assert(h().g() == false, "");
393 }
394 
395 namespace {
396 __declspec(align(16)) struct align_before_key1 {};
397 __declspec(align(16)) struct align_before_key2 {} align_before_key2_var;
398 __declspec(align(16)) struct align_before_key3 {} *align_before_key3_var;
399 static_assert(__alignof(struct align_before_key1) == 16, "");
400 static_assert(__alignof(struct align_before_key2) == 16, "");
401 static_assert(__alignof(struct align_before_key3) == 16, "");
402 }
403 
404 namespace PR24027 {
405 struct S {
406   template <typename T>
407   S(T);
408 } f([] {});
409 }
410