1 | // RUN: %clang_cc1 -triple i686-windows %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions |
2 | |
3 | |
4 | struct A |
5 | { |
6 | int a[]; /* expected-warning {{flexible array member 'a' in otherwise empty struct is a Microsoft extension}} */ |
7 | }; |
8 | |
9 | struct PR28407 |
10 | { |
11 | int : 1; |
12 | int a[]; /* expected-warning {{flexible array member 'a' in otherwise empty struct is a Microsoft extension}} */ |
13 | }; |
14 | |
15 | struct C { |
16 | int l; |
17 | union { |
18 | int c1[]; /* expected-warning {{flexible array member 'c1' in a union is a Microsoft extension}} */ |
19 | char c2[]; /* expected-warning {{flexible array member 'c2' in a union is a Microsoft extension}} */ |
20 | }; |
21 | }; |
22 | |
23 | |
24 | struct D { |
25 | int l; |
26 | int D[]; |
27 | }; |
28 | |
29 | struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {}; /* expected-error {{'uuid' attribute is not supported in C}} */ |
30 | |
31 | [uuid("00000000-0000-0000-C000-000000000046")] struct IUnknown2 {}; /* expected-error {{'uuid' attribute is not supported in C}} */ |
32 | |
33 | typedef struct notnested { |
34 | long bad1; |
35 | long bad2; |
36 | } NOTNESTED; |
37 | |
38 | |
39 | typedef struct nested1 { |
40 | long a; |
41 | struct notnested var1; |
42 | NOTNESTED var2; |
43 | } NESTED1; |
44 | |
45 | struct nested2 { |
46 | long b; |
47 | NESTED1; // expected-warning {{anonymous structs are a Microsoft extension}} |
48 | }; |
49 | |
50 | struct nested2 PR20573 = { .a = 3 }; |
51 | |
52 | struct nested3 { |
53 | long d; |
54 | struct nested4 { // expected-warning {{anonymous structs are a Microsoft extension}} |
55 | long e; |
56 | }; |
57 | union nested5 { // expected-warning {{anonymous unions are a Microsoft extension}} |
58 | long f; |
59 | }; |
60 | }; |
61 | |
62 | typedef union nested6 { |
63 | long f; |
64 | } NESTED6; |
65 | |
66 | struct test { |
67 | int c; |
68 | struct nested2; // expected-warning {{anonymous structs are a Microsoft extension}} |
69 | NESTED6; // expected-warning {{anonymous unions are a Microsoft extension}} |
70 | }; |
71 | |
72 | void foo() |
73 | { |
74 | struct test var; |
75 | var.a; |
76 | var.b; |
77 | var.c; |
78 | var.bad1; // expected-error {{no member named 'bad1' in 'struct test'}} |
79 | var.bad2; // expected-error {{no member named 'bad2' in 'struct test'}} |
80 | } |
81 | |
82 | // Enumeration types with a fixed underlying type. |
83 | const int seventeen = 17; |
84 | typedef int Int; |
85 | |
86 | struct X0 { |
87 | enum E1 : Int { SomeOtherValue } field; // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}} |
88 | enum E1 : seventeen; |
89 | }; |
90 | |
91 | enum : long long { // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}} |
92 | SomeValue = 0x100000000 |
93 | }; |
94 | |
95 | |
96 | void pointer_to_integral_type_conv(char* ptr) { |
97 | char ch = (char)ptr; |
98 | short sh = (short)ptr; |
99 | ch = (char)ptr; |
100 | sh = (short)ptr; |
101 | |
102 | // This is valid ISO C. |
103 | _Bool b = (_Bool)ptr; |
104 | } |
105 | |
106 | |
107 | typedef struct { |
108 | UNKNOWN u; // expected-error {{unknown type name 'UNKNOWN'}} |
109 | } AA; |
110 | |
111 | typedef struct { |
112 | AA; // expected-warning {{anonymous structs are a Microsoft extension}} |
113 | } BB; |
114 | |
115 | struct anon_fault { |
116 | struct undefined; // expected-warning {{anonymous structs are a Microsoft extension}} |
117 | // expected-error@-1 {{field has incomplete type 'struct undefined'}} |
118 | // expected-note@-2 {{forward declaration of 'struct undefined'}} |
119 | }; |
120 | |
121 | const int anon_falt_size = sizeof(struct anon_fault); |
122 | |
123 | __declspec(deprecated("This is deprecated")) enum DE1 { one, two } e1; // expected-note {{'e1' has been explicitly marked deprecated here}} |
124 | struct __declspec(deprecated) DS1 { int i; float f; }; // expected-note {{'DS1' has been explicitly marked deprecated here}} |
125 | |
126 | #define MY_TEXT "This is also deprecated" |
127 | __declspec(deprecated(MY_TEXT)) void Dfunc1( void ) {} // expected-note {{'Dfunc1' has been explicitly marked deprecated here}} |
128 | |
129 | struct __declspec(deprecated(123)) DS2 {}; // expected-error {{'deprecated' attribute requires a string}} |
130 | |
131 | void test( void ) { |
132 | e1 = one; // expected-warning {{'e1' is deprecated: This is deprecated}} |
133 | struct DS1 s = { 0 }; // expected-warning {{'DS1' is deprecated}} |
134 | Dfunc1(); // expected-warning {{'Dfunc1' is deprecated: This is also deprecated}} |
135 | |
136 | enum DE1 no; // no warning because E1 is not deprecated |
137 | } |
138 | |
139 | int __sptr wrong1; // expected-error {{'__sptr' attribute only applies to pointer arguments}} |
140 | // The modifier must follow the asterisk |
141 | int __sptr *wrong_psp; // expected-error {{'__sptr' attribute only applies to pointer arguments}} |
142 | int * __sptr __uptr wrong2; // expected-error {{'__sptr' and '__uptr' attributes are not compatible}} |
143 | int * __sptr __sptr wrong3; // expected-warning {{attribute '__sptr' is already applied}} |
144 | |
145 | // It is illegal to overload based on the type attribute. |
146 | void ptr_func(int * __ptr32 i) {} // expected-note {{previous definition is here}} |
147 | void ptr_func(int * __ptr64 i) {} // expected-error {{redefinition of 'ptr_func'}} |
148 | |
149 | // It is also illegal to overload based on the pointer type attribute. |
150 | void ptr_func2(int * __sptr __ptr32 i) {} // expected-note {{previous definition is here}} |
151 | void ptr_func2(int * __uptr __ptr32 i) {} // expected-error {{redefinition of 'ptr_func2'}} |
152 | |
153 | int * __sptr __ptr32 __sptr wrong4; // expected-warning {{attribute '__sptr' is already applied}} |
154 | |
155 | __ptr32 int *wrong5; // expected-error {{'__ptr32' attribute only applies to pointer arguments}} |
156 | |
157 | int *wrong6 __ptr32; // expected-error {{expected ';' after top level declarator}} expected-warning {{declaration does not declare anything}} |
158 | |
159 | int * __ptr32 __ptr64 wrong7; // expected-error {{'__ptr32' and '__ptr64' attributes are not compatible}} |
160 | |
161 | int * __ptr32 __ptr32 wrong8; // expected-warning {{attribute '__ptr32' is already applied}} |
162 | |
163 | int *(__ptr32 __sptr wrong9); // expected-error {{'__sptr' attribute only applies to pointer arguments}} // expected-error {{'__ptr32' attribute only applies to pointer arguments}} |
164 | |
165 | typedef int *T; |
166 | T __ptr32 wrong10; // expected-error {{'__ptr32' attribute only applies to pointer arguments}} |
167 | |
168 | typedef char *my_va_list; |
169 | void __va_start(my_va_list *ap, ...); // expected-note {{passing argument to parameter 'ap' here}} |
170 | void vmyprintf(const char *f, my_va_list ap); |
171 | void myprintf(const char *f, ...) { |
172 | my_va_list ap; |
173 | if (1) { |
174 | __va_start(&ap, f); |
175 | vmyprintf(f, ap); |
176 | ap = 0; |
177 | } else { |
178 | __va_start(ap, f); // expected-warning {{incompatible pointer types passing 'my_va_list'}} |
179 | } |
180 | } |
181 | |
182 | // __unaligned handling |
183 | void test_unaligned() { |
184 | __unaligned int *p1 = 0; |
185 | int *p2 = p1; // expected-warning {{initializing 'int *' with an expression of type '__unaligned int *' discards qualifiers}} |
186 | __unaligned int *p3 = p2; |
187 | } |
188 | |
189 | void test_unaligned2(int x[__unaligned 4]) {} |
190 | |
191 | |