1 // RUN: %clang_cc1 %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 C { 10 int l; 11 union { 12 int c1[]; /* expected-warning {{flexible array member 'c1' in a union is a Microsoft extension}} */ 13 char c2[]; /* expected-warning {{flexible array member 'c2' in a union is a Microsoft extension}} */ 14 }; 15 }; 16 17 18 struct D { 19 int l; 20 int D[]; 21 }; 22 23 24 25 26 27 28 typedef struct notnested { 29 long bad1; 30 long bad2; 31 } NOTNESTED; 32 33 34 typedef struct nested1 { 35 long a; 36 struct notnested var1; 37 NOTNESTED var2; 38 } NESTED1; 39 40 struct nested2 { 41 long b; 42 NESTED1; // expected-warning {{anonymous structs are a Microsoft extension}} 43 }; 44 45 struct test { 46 int c; 47 struct nested2; // expected-warning {{anonymous structs are a Microsoft extension}} 48 }; 49 50 void foo() 51 { 52 struct test var; 53 var.a; 54 var.b; 55 var.c; 56 var.bad1; // expected-error {{no member named 'bad1' in 'struct test'}} 57 var.bad2; // expected-error {{no member named 'bad2' in 'struct test'}} 58 } 59 60 // Enumeration types with a fixed underlying type. 61 const int seventeen = 17; 62 typedef int Int; 63 64 struct X0 { 65 enum E1 : Int { SomeOtherValue } field; // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}} 66 enum E1 : seventeen; 67 }; 68 69 enum : long long { // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}} 70 SomeValue = 0x100000000 71 }; 72 73 74 void pointer_to_integral_type_conv(char* ptr) { 75 char ch = (char)ptr; 76 short sh = (short)ptr; 77 ch = (char)ptr; 78 sh = (short)ptr; 79 80 // This is valid ISO C. 81 _Bool b = (_Bool)ptr; 82 } 83 84 85 typedef struct { 86 UNKNOWN u; // expected-error {{unknown type name 'UNKNOWN'}} 87 } AA; 88 89 typedef struct { 90 AA; // expected-warning {{anonymous structs are a Microsoft extension}} 91 } BB; 92 93 __declspec(deprecated("This is deprecated")) enum DE1 { one, two } e1; // expected-note {{'e1' declared here}} 94 struct __declspec(deprecated) DS1 { int i; float f; }; // expected-note {{declared here}} 95 96 #define MY_TEXT "This is also deprecated" 97 __declspec(deprecated(MY_TEXT)) void Dfunc1( void ) {} // expected-note {{'Dfunc1' declared here}} 98 99 struct __declspec(deprecated(123)) DS2 {}; // expected-error {{'deprecated' attribute requires a string}} 100 101 void test( void ) { 102 e1 = one; // expected-warning {{'e1' is deprecated: This is deprecated}} 103 struct DS1 s = { 0 }; // expected-warning {{'DS1' is deprecated}} 104 Dfunc1(); // expected-warning {{'Dfunc1' is deprecated: This is also deprecated}} 105 106 enum DE1 no; // no warning because E1 is not deprecated 107 } 108 109 int __sptr wrong1; // expected-error {{'__sptr' attribute only applies to pointer arguments}} 110 // The modifier must follow the asterisk 111 int __sptr *wrong_psp; // expected-error {{'__sptr' attribute only applies to pointer arguments}} 112 int * __sptr __uptr wrong2; // expected-error {{'__sptr' and '__uptr' attributes are not compatible}} 113 int * __sptr __sptr wrong3; // expected-warning {{attribute '__sptr' is already applied}} 114 115 // It is illegal to overload based on the type attribute. 116 void ptr_func(int * __ptr32 i) {} // expected-note {{previous definition is here}} 117 void ptr_func(int * __ptr64 i) {} // expected-error {{redefinition of 'ptr_func'}} 118 119 // It is also illegal to overload based on the pointer type attribute. 120 void ptr_func2(int * __sptr __ptr32 i) {} // expected-note {{previous definition is here}} 121 void ptr_func2(int * __uptr __ptr32 i) {} // expected-error {{redefinition of 'ptr_func2'}} 122 123 int * __sptr __ptr32 __sptr wrong4; // expected-warning {{attribute '__sptr' is already applied}} 124 125 __ptr32 int *wrong5; // expected-error {{'__ptr32' attribute only applies to pointer arguments}} 126 127 int *wrong6 __ptr32; // expected-error {{expected ';' after top level declarator}} expected-warning {{declaration does not declare anything}} 128 129 int * __ptr32 __ptr64 wrong7; // expected-error {{'__ptr32' and '__ptr64' attributes are not compatible}} 130 131 int * __ptr32 __ptr32 wrong8; // expected-warning {{attribute '__ptr32' is already applied}} 132 133 int *(__ptr32 __sptr wrong9); // expected-error {{'__sptr' attribute only applies to pointer arguments}} // expected-error {{'__ptr32' attribute only applies to pointer arguments}} 134 135 typedef int *T; 136 T __ptr32 wrong10; // expected-error {{'__ptr32' attribute only applies to pointer arguments}} 137
