MicrosoftExtensions.cpp revision 5dbed6674bda07dd147183932bc843c52205633f
1// RUN: %clang_cc1 %s -std=c++11 -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions -fms-compatibility -fdelayed-template-parsing
2
3/* Microsoft attribute tests */
4[repeatable][source_annotation_attribute( Parameter|ReturnValue )]
5struct SA_Post{ SA_Post(); int attr; };
6
7[returnvalue:SA_Post( attr=1)]
8int foo1([SA_Post(attr=1)] void *param);
9
10namespace {
11  [returnvalue:SA_Post(attr=1)]
12  int foo2([SA_Post(attr=1)] void *param);
13}
14
15class T {
16  [returnvalue:SA_Post(attr=1)]
17  int foo3([SA_Post(attr=1)] void *param);
18};
19
20extern "C" {
21  [returnvalue:SA_Post(attr=1)]
22  int foo5([SA_Post(attr=1)] void *param);
23}
24
25class class_attr {
26public:
27  class_attr([SA_Pre(Null=SA_No,NullTerminated=SA_Yes)]  int a)
28  {
29  }
30};
31
32
33
34void uuidof_test1()
35{
36  __uuidof(0);  // expected-error {{you need to include <guiddef.h> before using the '__uuidof' operator}}
37}
38
39typedef struct _GUID
40{
41    unsigned long  Data1;
42    unsigned short Data2;
43    unsigned short Data3;
44    unsigned char  Data4[8];
45} GUID;
46
47struct __declspec(uuid(L"00000000-0000-0000-1234-000000000047")) uuid_attr_bad1 { };// expected-error {{'uuid' attribute requires a string}}
48struct __declspec(uuid(3)) uuid_attr_bad2 { };// expected-error {{'uuid' attribute requires a string}}
49struct __declspec(uuid("0000000-0000-0000-1234-0000500000047")) uuid_attr_bad3 { };// expected-error {{uuid attribute contains a malformed GUID}}
50struct __declspec(uuid("0000000-0000-0000-Z234-000000000047")) uuid_attr_bad4 { };// expected-error {{uuid attribute contains a malformed GUID}}
51struct __declspec(uuid("000000000000-0000-1234-000000000047")) uuid_attr_bad5 { };// expected-error {{uuid attribute contains a malformed GUID}}
52
53
54
55struct __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
56struct_with_uuid { };
57struct struct_without_uuid { };
58
59struct __declspec(uuid("000000A0-0000-0000-C000-000000000049"))
60struct_with_uuid2;
61
62struct
63struct_with_uuid2 {} ;
64
65int 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
92template <class T>
93void template_uuid()
94{
95   T expr;
96
97   __uuidof(T);
98   __uuidof(expr);
99}
100
101
102template <class T, const GUID* g = &__uuidof(T)> // expected-note {{template parameter is declared here}}
103class COM_CLASS_TEMPLATE  { };
104
105typedef 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}}
106typedef COM_CLASS_TEMPLATE<struct_with_uuid> COM_TYPE_2;
107
108template <class T, const GUID& g>
109class COM_CLASS_TEMPLATE_REF  { };
110typedef COM_CLASS_TEMPLATE_REF<struct_with_uuid, __uuidof(struct_with_uuid)> COM_TYPE_REF;
111
112  struct late_defined_uuid;
113  template<typename T>
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
119COM_CLASS_TEMPLATE_REF<int, __uuidof(struct_with_uuid)> good_template_arg;
120
121COM_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
123namespace PR16911 {
124struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
125struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid2;
126
127template <typename T, typename T2>
128struct thing {
129};
130
131struct empty {};
132struct inher : public thing<empty, uuid2> {};
133
134struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
135const struct _GUID *w = &__uuidof(inher); // expected-error{{cannot call operator __uuidof on a type with no GUID}}
136const struct _GUID *x = &__uuidof(thing<uuid, inher>);
137const struct _GUID *y = &__uuidof(thing<uuid2, uuid>); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
138thing<uuid2, uuid> thing_obj = thing<uuid2, uuid>();
139const struct _GUID *z = &__uuidof(thing_obj); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
140}
141
142class CtorCall {
143public:
144  CtorCall& operator=(const CtorCall& that);
145
146  int a;
147};
148
149CtorCall& 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
158template <class A>
159class C1 {
160public:
161  template <int B>
162  class Iterator {
163  };
164};
165
166template<class T>
167class C2  {
168  typename C1<T>:: /*template*/  Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
169};
170
171template <class T>
172void 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
178class AAAA {
179   typedef int D;
180};
181
182template <typename T>
183class SimpleTemplate {};
184
185template <class T>
186void 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
202template <typename T>
203struct TypenameWrongPlace {
204  typename typedef T::D D;// expected-warning {{expected a qualified name after 'typename'}}
205};
206
207extern TypenameWrongPlace<AAAA> PR16925;
208
209__interface MicrosoftInterface;
210__interface MicrosoftInterface {
211   void foo1() = 0;
212   virtual void foo2() = 0;
213};
214
215__interface MicrosoftDerivedInterface : public MicrosoftInterface {
216  void foo1();
217  void foo2() override;
218  void foo3();
219};
220
221void interface_test() {
222  MicrosoftInterface* a;
223  a->foo1();
224  MicrosoftDerivedInterface* b;
225  b->foo2();
226}
227
228__int64 x7 = __int64(0);
229
230
231namespace If_exists_test {
232
233class IF_EXISTS {
234private:
235    typedef int Type;
236};
237
238int __if_exists_test() {
239  int b=0;
240  __if_exists(IF_EXISTS::Type) {
241     b++;
242     b++;
243  }
244  __if_exists(IF_EXISTS::Type_not) {
245     this wont compile.
246  }
247  __if_not_exists(IF_EXISTS::Type) {
248     this wont compile.
249  }
250  __if_not_exists(IF_EXISTS::Type_not) {
251     b++;
252     b++;
253  }
254}
255
256
257__if_exists(IF_EXISTS::Type) {
258  int var23;
259}
260
261__if_exists(IF_EXISTS::Type_not) {
262 this wont compile.
263}
264
265__if_not_exists(IF_EXISTS::Type) {
266 this wont compile.
267}
268
269__if_not_exists(IF_EXISTS::Type_not) {
270  int var244;
271}
272
273int __if_exists_init_list() {
274
275  int array1[] = {
276    0,
277    __if_exists(IF_EXISTS::Type) {2, }
278    3
279  };
280
281  int array2[] = {
282    0,
283    __if_exists(IF_EXISTS::Type_not) { this wont compile }
284    3
285  };
286
287  int array3[] = {
288    0,
289    __if_not_exists(IF_EXISTS::Type_not) {2, }
290    3
291  };
292
293  int array4[] = {
294    0,
295    __if_not_exists(IF_EXISTS::Type) { this wont compile }
296    3
297  };
298
299}
300
301
302class IF_EXISTS_CLASS_TEST {
303  __if_exists(IF_EXISTS::Type) {
304    // __if_exists, __if_not_exists can nest
305    __if_not_exists(IF_EXISTS::Type_not) {
306      int var123;
307    }
308    int var23;
309  }
310
311  __if_exists(IF_EXISTS::Type_not) {
312   this wont compile.
313  }
314
315  __if_not_exists(IF_EXISTS::Type) {
316   this wont compile.
317  }
318
319  __if_not_exists(IF_EXISTS::Type_not) {
320    int var244;
321  }
322};
323
324}
325
326
327int __identifier(generic) = 3;
328
329class inline_definition_pure_spec {
330   virtual int f() = 0 { return 0; }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
331   virtual int f2() = 0;
332};
333
334struct pure_virtual_dtor {
335  virtual ~pure_virtual_dtor() = 0;
336};
337pure_virtual_dtor::~pure_virtual_dtor() { }
338
339struct pure_virtual_dtor_inline {
340  virtual ~pure_virtual_dtor_inline() = 0 { }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
341};
342
343
344int main () {
345  // Necessary to force instantiation in -fdelayed-template-parsing mode.
346  test_late_defined_uuid<int>();
347  redundant_typename<int>();
348  missing_template_keyword<int>();
349}
350
351namespace access_protected_PTM {
352  class A {
353  protected:
354    void f(); // expected-note {{must name member using the type of the current context 'access_protected_PTM::B'}}
355  };
356
357  class B : public A{
358  public:
359    void test_access();
360    static void test_access_static();
361  };
362
363  void B::test_access() {
364    &A::f; // expected-error {{'f' is a protected member of 'access_protected_PTM::A'}}
365  }
366
367  void B::test_access_static() {
368    &A::f;
369  }
370}
371
372namespace Inheritance {
373  class __single_inheritance A;
374  class __multiple_inheritance B;
375  class __virtual_inheritance C;
376}
377
378struct StructWithProperty {
379  __declspec(property) int V0; // expected-error {{expected '(' after 'property'}}
380  __declspec(property()) int V1; // expected-error {{property does not specify a getter or a putter}}
381  __declspec(property(set)) int V2; // expected-error {{putter for property must be specified as 'put', not 'set'}} expected-error {{expected '=' after 'set'}}
382  __declspec(property(ptu)) int V3; // expected-error {{missing 'get=' or 'put='}}
383  __declspec(property(ptu=PutV)) int V4; // expected-error {{expected 'get' or 'put' in property declaration}}
384  __declspec(property(get)) int V5; // expected-error {{expected '=' after 'get'}}
385  __declspec(property(get&)) int V6; // expected-error {{expected '=' after 'get'}}
386  __declspec(property(get=)) int V7; // expected-error {{expected name of accessor method}}
387  __declspec(property(get=GetV)) int V8; // no-warning
388  __declspec(property(get=GetV=)) int V9; // expected-error {{expected ',' or ')' at end of property accessor list}}
389  __declspec(property(get=GetV,)) int V10; // expected-error {{expected 'get' or 'put' in property declaration}}
390  __declspec(property(get=GetV,put=SetV)) int V11; // no-warning
391  __declspec(property(get=GetV,put=SetV,get=GetV)) int V12; // expected-error {{property declaration specifies 'get' accessor twice}}
392
393  int GetV() { return 123; }
394  void SetV(int v) {}
395};
396void TestProperty() {
397  StructWithProperty sp;
398  sp.V8;
399  sp.V8 = 0; // expected-error {{no setter defined for property 'V8'}}
400  int i = sp.V11;
401  sp.V11 = i++;
402  sp.V11 += 8;
403  sp.V11++;
404  ++sp.V11;
405}
406