llvm-project/clang/test/Sema/MicrosoftExtensions.c

105 lines
2.6 KiB
C

// RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions
struct A
{
int a[]; /* expected-warning {{flexible array member 'a' in otherwise empty struct is a Microsoft extension}} */
};
struct C {
int l;
union {
int c1[]; /* expected-warning {{flexible array member 'c1' in a union is a Microsoft extension}} */
char c2[]; /* expected-warning {{flexible array member 'c2' in a union is a Microsoft extension}} */
};
};
struct D {
int l;
int D[];
};
typedef struct notnested {
long bad1;
long bad2;
} NOTNESTED;
typedef struct nested1 {
long a;
struct notnested var1;
NOTNESTED var2;
} NESTED1;
struct nested2 {
long b;
NESTED1; // expected-warning {{anonymous structs are a Microsoft extension}}
};
struct test {
int c;
struct nested2; // expected-warning {{anonymous structs are a Microsoft extension}}
};
void foo()
{
struct test var;
var.a;
var.b;
var.c;
var.bad1; // expected-error {{no member named 'bad1' in 'struct test'}}
var.bad2; // expected-error {{no member named 'bad2' in 'struct test'}}
}
// Enumeration types with a fixed underlying type.
const int seventeen = 17;
typedef int Int;
struct X0 {
enum E1 : Int { SomeOtherValue } field; // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}}
enum E1 : seventeen;
};
enum : long long { // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}}
SomeValue = 0x100000000
};
void pointer_to_integral_type_conv(char* ptr) {
char ch = (char)ptr;
short sh = (short)ptr;
ch = (char)ptr;
sh = (short)ptr;
}
typedef struct {
UNKNOWN u; // expected-error {{unknown type name 'UNKNOWN'}}
} AA;
typedef struct {
AA; // expected-warning {{anonymous structs are a Microsoft extension}}
} BB;
__declspec(deprecated("This is deprecated")) enum DE1 { one, two } e1; // expected-note {{'e1' declared here}}
struct __declspec(deprecated) DS1 { int i; float f; }; // expected-note {{declared here}}
#define MY_TEXT "This is also deprecated"
__declspec(deprecated(MY_TEXT)) void Dfunc1( void ) {} // expected-note {{'Dfunc1' declared here}}
struct __declspec(deprecated(123)) DS2 {}; // expected-error {{argument to deprecated attribute was not a string literal}}
void test( void ) {
e1 = one; // expected-warning {{'e1' is deprecated: This is deprecated}}
struct DS1 s = { 0 }; // expected-warning {{'DS1' is deprecated}}
Dfunc1(); // expected-warning {{'Dfunc1' is deprecated: This is also deprecated}}
enum DE1 no; // no warning because E1 is not deprecated
}