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 
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 [uuid("000000000000-0000-1234-000000000047")] struct uuid_attr_bad6 { };// expected-error {{uuid attribute contains a malformed GUID}}
53 
54 __declspec(uuid("000000A0-0000-0000-C000-000000000046")) int i; // expected-warning {{'uuid' attribute only applies to classes}}
55 
56 struct __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
57 struct_with_uuid { };
58 struct struct_without_uuid { };
59 
60 struct __declspec(uuid("000000A0-0000-0000-C000-000000000049"))
61 struct_with_uuid2;
62 
63 [uuid("000000A0-0000-0000-C000-000000000049")] struct struct_with_uuid3;
64 
65 struct
66 struct_with_uuid2 {} ;
67 
68 enum __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
69 enum_with_uuid { };
70 enum enum_without_uuid { };
71 
72 int __declspec(uuid("000000A0-0000-0000-C000-000000000046")) inappropriate_uuid; // expected-warning {{'uuid' attribute only applies to classes and enumerations}}
73 
74 int uuid_sema_test()
75 {
76    struct_with_uuid var_with_uuid[1];
77    struct_without_uuid var_without_uuid[1];
78 
79    __uuidof(struct_with_uuid);
80    __uuidof(struct_with_uuid2);
81    __uuidof(struct_with_uuid3);
82    __uuidof(struct_without_uuid); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
83    __uuidof(struct_with_uuid*);
84    __uuidof(struct_without_uuid*); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
85    __uuidof(struct_with_uuid[1]);
86    __uuidof(struct_with_uuid*[1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
87    __uuidof(const struct_with_uuid[1][1]);
88    __uuidof(const struct_with_uuid*[1][1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
89 
90    __uuidof(enum_with_uuid);
91    __uuidof(enum_without_uuid); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
92    __uuidof(enum_with_uuid*);
93    __uuidof(enum_without_uuid*); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
94    __uuidof(enum_with_uuid[1]);
95    __uuidof(enum_with_uuid*[1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
96    __uuidof(const enum_with_uuid[1][1]);
97    __uuidof(const enum_with_uuid*[1][1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
98 
99    __uuidof(var_with_uuid);
100    __uuidof(var_without_uuid);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
101    __uuidof(var_with_uuid[1]);
102    __uuidof(var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
103    __uuidof(&var_with_uuid[1]);
104    __uuidof(&var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
105 
106    __uuidof(0);
107    __uuidof(1);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
108 }
109 
110 
111 template <class T>
112 void template_uuid()
113 {
114    T expr;
115 
116    __uuidof(T);
117    __uuidof(expr);
118 }
119 
120 
121 template <class T, const GUID* g = &__uuidof(T)> // expected-note {{template parameter is declared here}}
122 class COM_CLASS_TEMPLATE  { };
123 
124 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}}
125 typedef COM_CLASS_TEMPLATE<struct_with_uuid> COM_TYPE_2;
126 
127 template <class T, const GUID& g>
128 class COM_CLASS_TEMPLATE_REF  { };
129 typedef COM_CLASS_TEMPLATE_REF<struct_with_uuid, __uuidof(struct_with_uuid)> COM_TYPE_REF;
130 
131   struct late_defined_uuid;
132   template<typename T>
133   void test_late_defined_uuid() {
134     __uuidof(late_defined_uuid);
135   }
136   struct __declspec(uuid("000000A0-0000-0000-C000-000000000049")) late_defined_uuid;
137 
138 COM_CLASS_TEMPLATE_REF<int, __uuidof(struct_with_uuid)> good_template_arg;
139 
140 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}}
141 
142 namespace PR16911 {
143 struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
144 struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid2;
145 
146 template <typename T, typename T2>
147 struct thing {
148 };
149 
150 struct empty {};
151 struct inher : public thing<empty, uuid2> {};
152 
153 struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
154 const struct _GUID *w = &__uuidof(inher); // expected-error{{cannot call operator __uuidof on a type with no GUID}}
155 const struct _GUID *x = &__uuidof(thing<uuid, inher>);
156 const struct _GUID *y = &__uuidof(thing<uuid2, uuid>); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
157 thing<uuid2, uuid> thing_obj = thing<uuid2, uuid>();
158 const struct _GUID *z = &__uuidof(thing_obj); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
159 }
160 
161 class CtorCall {
162 public:
163   CtorCall& operator=(const CtorCall& that);
164 
165   int a;
166 };
167 
168 CtorCall& CtorCall::operator=(const CtorCall& that)
169 {
170     if (this != &that) {
171         this->CtorCall::~CtorCall();
172         this->CtorCall::CtorCall(that); // expected-warning {{explicit constructor calls are a Microsoft extension}}
173     }
174     return *this;
175 }
176 
177 template <class A>
178 class C1 {
179 public:
180   template <int B>
181   class Iterator {
182   };
183 };
184 
185 template<class T>
186 class C2  {
187   typename C1<T>:: /*template*/  Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
188 };
189 
190 template <class T>
191 void missing_template_keyword(){
192   typename C1<T>:: /*template*/ Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
193 }
194 
195 
196 
197 class AAAA {
198    typedef int D;
199 };
200 
201 template <typename T>
202 class SimpleTemplate {};
203 
204 template <class T>
205 void redundant_typename() {
206    typename T t;// expected-warning {{expected a qualified name after 'typename'}}
207    typename AAAA a;// expected-warning {{expected a qualified name after 'typename'}}
208 
209    t = 3;
210 
211    typedef typename T* pointerT;// expected-warning {{expected a qualified name after 'typename'}}
212    typedef typename SimpleTemplate<int> templateT;// expected-warning {{expected a qualified name after 'typename'}}
213 
214    pointerT pT = &t;
215    *pT = 4;
216 
217    int var;
218    int k = typename var;// expected-error {{expected a qualified name after 'typename'}}
219 }
220 
221 template <typename T>
222 struct TypenameWrongPlace {
223   typename typedef T::D D;// expected-warning {{expected a qualified name after 'typename'}}
224 };
225 
226 extern TypenameWrongPlace<AAAA> PR16925;
227 
228 __interface MicrosoftInterface;
229 __interface MicrosoftInterface {
230    void foo1() = 0; // expected-note {{overridden virtual function is here}}
231    virtual void foo2() = 0;
232 };
233 
234 __interface MicrosoftDerivedInterface : public MicrosoftInterface {
235   void foo1(); // expected-warning {{'foo1' overrides a member function but is not marked 'override'}}
236   void foo2() override;
237   void foo3();
238 };
239 
240 void interface_test() {
241   MicrosoftInterface* a;
242   a->foo1();
243   MicrosoftDerivedInterface* b;
244   b->foo2();
245 }
246 
247 __int64 x7 = __int64(0);
248 _int64 x8 = _int64(0);
249 static_assert(sizeof(_int64) == 8, "");
250 static_assert(sizeof(_int32) == 4, "");
251 static_assert(sizeof(_int16) == 2, "");
252 static_assert(sizeof(_int8) == 1, "");
253 
254 int __identifier(generic) = 3;
255 int __identifier(int) = 4;
256 struct __identifier(class) { __identifier(class) *__identifier(for); };
257 __identifier(class) __identifier(struct) = { &__identifier(struct) };
258 
259 int __identifier for; // expected-error {{missing '(' after '__identifier'}}
260 int __identifier(else} = __identifier(for); // expected-error {{missing ')' after identifier}} expected-note {{to match this '('}}
261 #define identifier_weird(x) __identifier(x
262 int k = identifier_weird(if)); // expected-error {{use of undeclared identifier 'if'}}
263 
264 // This is a bit weird, but the alternative tokens aren't keywords, and this
265 // behavior matches MSVC. FIXME: Consider supporting this anyway.
266 extern int __identifier(and) r; // expected-error {{cannot convert '&&' token to an identifier}}
267 
268 void f() {
269   __identifier(() // expected-error {{cannot convert '(' token to an identifier}}
270   __identifier(void) // expected-error {{use of undeclared identifier 'void'}}
271   __identifier()) // expected-error {{cannot convert ')' token to an identifier}}
272   // FIXME: We should pick a friendlier display name for this token kind.
273   __identifier(1) // expected-error {{cannot convert <numeric_constant> token to an identifier}}
274   __identifier(+) // expected-error {{cannot convert '+' token to an identifier}}
275   __identifier("foo") // expected-error {{cannot convert <string_literal> token to an identifier}}
276   __identifier(;) // expected-error {{cannot convert ';' token to an identifier}}
277 }
278 
279 class inline_definition_pure_spec {
280    virtual int f() = 0 { return 0; }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
281    virtual int f2() = 0;
282 };
283 
284 struct pure_virtual_dtor {
285   virtual ~pure_virtual_dtor() = 0;
286 };
287 pure_virtual_dtor::~pure_virtual_dtor() { }
288 
289 struct pure_virtual_dtor_inline {
290   virtual ~pure_virtual_dtor_inline() = 0 { }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
291 };
292 
293 
294 int main () {
295   // Necessary to force instantiation in -fdelayed-template-parsing mode.
296   test_late_defined_uuid<int>();
297   redundant_typename<int>();
298   missing_template_keyword<int>();
299 }
300 
301 namespace access_protected_PTM {
302   class A {
303   protected:
304     void f(); // expected-note {{must name member using the type of the current context 'access_protected_PTM::B'}}
305   };
306 
307   class B : public A{
308   public:
309     void test_access();
310     static void test_access_static();
311   };
312 
313   void B::test_access() {
314     &A::f; // expected-error {{'f' is a protected member of 'access_protected_PTM::A'}}
315   }
316 
317   void B::test_access_static() {
318     &A::f;
319   }
320 }
321 
322 namespace Inheritance {
323   class __single_inheritance A;
324   class __multiple_inheritance B;
325   class __virtual_inheritance C;
326 }
327 
328 struct StructWithProperty {
329   __declspec(property) int V0; // expected-error {{expected '(' after 'property'}}
330   __declspec(property()) int V1; // expected-error {{property does not specify a getter or a putter}}
331   __declspec(property(set)) int V2; // expected-error {{putter for property must be specified as 'put', not 'set'}} expected-error {{expected '=' after 'set'}}
332   __declspec(property(ptu)) int V3; // expected-error {{missing 'get=' or 'put='}}
333   __declspec(property(ptu=PutV)) int V4; // expected-error {{expected 'get' or 'put' in property declaration}}
334   __declspec(property(get)) int V5; // expected-error {{expected '=' after 'get'}}
335   __declspec(property(get&)) int V6; // expected-error {{expected '=' after 'get'}}
336   __declspec(property(get=)) int V7; // expected-error {{expected name of accessor method}}
337   __declspec(property(get=GetV)) int V8; // no-warning
338   __declspec(property(get=GetV=)) int V9; // expected-error {{expected ',' or ')' at end of property accessor list}}
339   __declspec(property(get=GetV,)) int V10; // expected-error {{expected 'get' or 'put' in property declaration}}
340   __declspec(property(get=GetV,put=SetV)) int V11; // no-warning
341   __declspec(property(get=GetV,put=SetV,get=GetV)) int V12; // expected-error {{property declaration specifies 'get' accessor twice}}
342   __declspec(property(get=GetV)) int V13 = 3; // expected-error {{property declaration cannot have an in-class initializer}}
343 
344   int GetV() { return 123; }
345   void SetV(int v) {}
346 };
347 void TestProperty() {
348   StructWithProperty sp;
349   sp.V8;
350   sp.V8 = 0; // expected-error {{no setter defined for property 'V8'}}
351   int i = sp.V11;
352   sp.V11 = i++;
353   sp.V11 += 8;
354   sp.V11++;
355   ++sp.V11;
356 }
357 
358 //expected-warning@+1 {{C++ operator 'and' (aka '&&') used as a macro name}}
359 #define and foo
360 
361 struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) __declspec(novtable) IUnknown {};
362 
363 typedef bool (__stdcall __stdcall *blarg)(int);
364 
365 void local_callconv() {
366   bool (__stdcall *p)(int);
367 }
368 
369 struct S7 {
370 	int foo() { return 12; }
371 	__declspec(property(get=foo) deprecated) int t; // expected-note {{'t' has been explicitly marked deprecated here}}
372 };
373 
374 // Technically, this is legal (though it does nothing)
375 __declspec() void quux( void ) {
376   struct S7 s;
377   int i = s.t;	// expected-warning {{'t' is deprecated}}
378 }
379 
380 void *_alloca(int);
381 
382 void foo(void) {
383   __declspec(align(16)) int *buffer = (int *)_alloca(9);
384 }
385 
386 template <int *>
387 struct NullptrArg {};
388 NullptrArg<nullptr> a;
389 
390 // Ignored type qualifiers after comma in declarator lists
391 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}}
392 typedef void(*ignored_quals_dummy2)(), __fastcall ignored_quals2; // expected-warning {{qualifiers after comma in declarator list are ignored}}
393 typedef void(*ignored_quals_dummy3)(), __stdcall ignored_quals3; // expected-warning {{qualifiers after comma in declarator list are ignored}}
394 typedef void(*ignored_quals_dummy4)(), __thiscall ignored_quals4; // expected-warning {{qualifiers after comma in declarator list are ignored}}
395 typedef void(*ignored_quals_dummy5)(), __cdecl ignored_quals5; // expected-warning {{qualifiers after comma in declarator list are ignored}}
396 typedef void(*ignored_quals_dummy6)(), __vectorcall ignored_quals6; // expected-warning {{qualifiers after comma in declarator list are ignored}}
397 
398 namespace {
399 bool f(int);
400 template <typename T>
401 struct A {
402   constexpr A(T t) {
403     __assume(f(t)); // expected-warning{{the argument to '__assume' has side effects that will be discarded}}
404   }
405   constexpr bool g() { return false; }
406 };
407 constexpr A<int> h() {
408   A<int> b(0); // expected-note {{in instantiation of member function}}
409   return b;
410 }
411 static_assert(h().g() == false, "");
412 }
413 
414 namespace {
415 __declspec(align(16)) struct align_before_key1 {};
416 __declspec(align(16)) struct align_before_key2 {} align_before_key2_var;
417 __declspec(align(16)) struct align_before_key3 {} *align_before_key3_var;
418 static_assert(__alignof(struct align_before_key1) == 16, "");
419 static_assert(__alignof(struct align_before_key2) == 16, "");
420 static_assert(__alignof(struct align_before_key3) == 16, "");
421 }
422 
423 namespace PR24027 {
424 struct S {
425   template <typename T>
426   S(T);
427 } f([] {});
428 }
429