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 struct PR11150 {
180   class X {
181     virtual void f() = 0;
182   };
183 
184   int array[__is_abstract(X)? 1 : -1];
185 };
186 
187 void f() { int __except = 0; }
188 
189 void ::f(); // expected-warning{{extra qualification on member 'f'}}
190 
191 class C {
192   C::C(); // expected-warning{{extra qualification on member 'C'}}
193 };
194 
195 struct StructWithProperty {
196   __declspec(property(get=GetV)) int V1;
197   __declspec(property(put=SetV)) int V2;
198   __declspec(property(get=GetV, put=SetV_NotExist)) int V3;
199   __declspec(property(get=GetV_NotExist, put=SetV)) int V4;
200   __declspec(property(get=GetV, put=SetV)) int V5;
201 
202   int GetV() { return 123; }
203   void SetV(int i) {}
204 };
205 void TestProperty() {
206   StructWithProperty sp;
207   int i = sp.V2; // expected-error{{no getter defined for property 'V2'}}
208   sp.V1 = 12; // expected-error{{no setter defined for property 'V1'}}
209   int j = sp.V4; // expected-error{{no member named 'GetV_NotExist' in 'StructWithProperty'}} expected-error{{cannot find suitable getter for property 'V4'}}
210   sp.V3 = 14; // expected-error{{no member named 'SetV_NotExist' in 'StructWithProperty'}} expected-error{{cannot find suitable setter for property 'V3'}}
211   int k = sp.V5;
212   sp.V5 = k++;
213 }
214 
215 /* 4 tests for PseudoObject, begin */
216 struct SP1
217 {
218   bool operator()() { return true; }
219 };
220 struct SP2
221 {
222   __declspec(property(get=GetV)) SP1 V;
223   SP1 GetV() { return SP1(); }
224 };
225 void TestSP2() {
226   SP2 sp2;
227   bool b = sp2.V();
228 }
229 
230 struct SP3 {
231   template <class T>
232   void f(T t) {}
233 };
234 template <class T>
235 struct SP4
236 {
237   __declspec(property(get=GetV)) int V;
238   int GetV() { return 123; }
239   void f() { SP3 s2; s2.f(V); }
240 };
241 void TestSP4() {
242   SP4<int> s;
243   s.f();
244 }
245 
246 template <class T>
247 struct SP5
248 {
249   __declspec(property(get=GetV)) T V;
250   int GetV() { return 123; }
251   void f() { int *p = new int[V]; }
252 };
253 
254 template <class T>
255 struct SP6
256 {
257 public:
258   __declspec(property(get=GetV)) T V;
259   T GetV() { return 123; }
260   void f() { int t = V; }
261 };
262 void TestSP6() {
263   SP6<int> c;
264   c.f();
265 }
266 /* 4 tests for PseudoObject, end */
267 
268 // Property access: explicit, implicit, with Qualifier
269 struct SP7 {
270   __declspec(property(get=GetV, put=SetV)) int V;
271   int GetV() { return 123; }
272   void SetV(int v) {}
273 
274   void ImplicitAccess() { int i = V; V = i; }
275   void ExplicitAccess() { int i = this->V; this->V = i; }
276 };
277 struct SP8: public SP7 {
278   void AccessWithQualifier() { int i = SP7::V; SP7::V = i; }
279 };
280 
281 // Property usage
282 template <class T>
283 struct SP9 {
284   __declspec(property(get=GetV, put=SetV)) T V;
285   T GetV() { return 0; }
286   void SetV(T v) {}
287   bool f() { V = this->V; return V < this->V; }
288   void g() { V++; }
289   void h() { V*=2; }
290 };
291 struct SP10 {
292   SP10(int v) {}
293   bool operator<(const SP10& v) { return true; }
294   SP10 operator*(int v) { return *this; }
295   SP10 operator+(int v) { return *this; }
296   SP10& operator=(const SP10& v) { return *this; }
297 };
298 void TestSP9() {
299   SP9<int> c;
300   int i = c.V; // Decl initializer
301   i = c.V; // Binary op operand
302   c.SetV(c.V); // CallExpr arg
303   int *p = new int[c.V + 1]; // Array size
304   p[c.V] = 1; // Array index
305 
306   c.V = 123; // Setter
307 
308   c.V++; // Unary op operand
309   c.V *= 2; // Unary op operand
310 
311   SP9<int*> c2;
312   c2.V[0] = 123; // Array
313 
314   SP9<SP10> c3;
315   c3.f(); // Overloaded binary op operand
316   c3.g(); // Overloaded incdec op operand
317   c3.h(); // Overloaded unary op operand
318 }
319 
320 union u {
321   int *i1;
322   int &i2;  // expected-warning {{union member 'i2' has reference type 'int &', which is a Microsoft extension}}
323 };
324 
325 // Property getter using reference.
326 struct SP11 {
327   __declspec(property(get=GetV)) int V;
328   int _v;
329   int& GetV() { return _v; }
330   void UseV();
331   void TakePtr(int *) {}
332   void TakeRef(int &) {}
333   void TakeVal(int) {}
334 };
335 
336 void SP11::UseV() {
337   TakePtr(&V);
338   TakeRef(V);
339   TakeVal(V);
340 }
341 
342 struct StructWithUnnamedMember {
343   __declspec(property(get=GetV)) int : 10; // expected-error {{anonymous property is not supported}}
344 };
345 
346 namespace rdar14250378 {
347   class Bar {};
348 
349   namespace NyNamespace {
350     class Foo {
351     public:
352       Bar* EnsureBar();
353     };
354 
355     class Baz : public Foo {
356     public:
357       friend class Bar;
358     };
359 
360     Bar* Foo::EnsureBar() {
361       return 0;
362     }
363   }
364 }
365 
366 // expected-error@+1 {{'sealed' keyword not permitted with interface types}}
367 __interface InterfaceWithSealed sealed {
368 };
369 
370 struct SomeBase {
371   virtual void OverrideMe();
372 
373   // expected-note@+2 {{overridden virtual function is here}}
374   // expected-warning@+1 {{'sealed' keyword is a Microsoft extension}}
375   virtual void SealedFunction() sealed; // expected-note {{overridden virtual function is here}}
376 };
377 
378 // expected-note@+2 {{'SealedType' declared here}}
379 // expected-warning@+1 {{'sealed' keyword is a Microsoft extension}}
380 struct SealedType sealed : SomeBase {
381   // expected-error@+1 {{declaration of 'SealedFunction' overrides a 'sealed' function}}
382   virtual void SealedFunction(); // expected-warning {{'SealedFunction' overrides a member function but is not marked 'override'}}
383 
384   // expected-warning@+1 {{'override' keyword is a C++11 extension}}
385   virtual void OverrideMe() override;
386 };
387 
388 // expected-error@+1 {{base 'SealedType' is marked 'sealed'}}
389 struct InheritFromSealed : SealedType {};
390 
391 void AfterClassBody() {
392   // expected-warning@+1 {{attribute 'deprecated' is ignored, place it after "struct" to apply attribute to type declaration}}
393   struct D {} __declspec(deprecated);
394 
395   struct __declspec(align(4)) S {} __declspec(align(8)) s1;
396   S s2;
397   _Static_assert(__alignof(S) == 4, "");
398   _Static_assert(__alignof(s1) == 8, "");
399   _Static_assert(__alignof(s2) == 4, "");
400 }
401