MicrosoftExtensions.c revision fc685ace387734599c475426b1a8efdb491054b8
1// RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions 2 3 4struct A 5{ 6 int a[]; /* expected-warning {{flexible array member 'a' in otherwise empty struct is a Microsoft extension}} */ 7}; 8 9struct 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 18struct D { 19 int l; 20 int D[]; 21}; 22 23 24 25 26 27 28typedef struct notnested { 29 long bad1; 30 long bad2; 31} NOTNESTED; 32 33 34typedef struct nested1 { 35 long a; 36 struct notnested var1; 37 NOTNESTED var2; 38} NESTED1; 39 40struct nested2 { 41 long b; 42 NESTED1; // expected-warning {{anonymous structs are a Microsoft extension}} 43}; 44 45struct test { 46 int c; 47 struct nested2; // expected-warning {{anonymous structs are a Microsoft extension}} 48}; 49 50void 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. 61const int seventeen = 17; 62typedef int Int; 63 64struct 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 69enum : long long { // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}} 70 SomeValue = 0x100000000 71}; 72 73 74void 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 81 82typedef struct { 83 UNKNOWN u; // expected-error {{unknown type name 'UNKNOWN'}} 84} AA; 85 86typedef struct { 87 AA; // expected-warning {{anonymous structs are a Microsoft extension}} 88} BB; 89 90__declspec(deprecated("This is deprecated")) enum DE1 { one, two } e1; // expected-note {{'e1' declared here}} 91struct __declspec(deprecated) DS1 { int i; float f; }; 92 93#define MY_TEXT "This is also deprecated" 94__declspec(deprecated(MY_TEXT)) void Dfunc1( void ) {} // expected-note {{'Dfunc1' declared here}} 95 96struct __declspec(deprecated(123)) DS2 {}; // expected-error {{argument to deprecated attribute was not a string literal}} 97 98void test( void ) { 99 e1 = one; // expected-warning {{'e1' is deprecated: This is deprecated}} 100 struct DS1 s = { 0 }; // expected-warning {{'DS1' is deprecated}} 101 Dfunc1(); // expected-warning {{'Dfunc1' is deprecated: This is also deprecated}} 102 103 enum DE1 no; // no warning because E1 is not deprecated 104} 105