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

108 lines
3.5 KiB
C

// RUN: %clang_cc1 -triple i386-mingw32 -fsyntax-only -verify -fms-extensions -Wno-missing-declarations -x objective-c++ %s
__stdcall int func0();
int __stdcall func();
typedef int (__cdecl *tptr)();
void (*__fastcall fastpfunc)();
struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) __declspec(novtable) IUnknown {}; /* expected-warning{{__declspec attribute 'novtable' is not supported}} */
extern __declspec(dllimport) void __stdcall VarR4FromDec();
__declspec(deprecated) __declspec(deprecated) char * __cdecl ltoa( long _Val, char * _DstBuf, int _Radix);
__declspec(noalias) __declspec(restrict) void * __cdecl xxx( void * _Memory ); /* expected-warning{{__declspec attribute 'noalias' is not supported}} expected-warning{{__declspec attribute 'restrict' is not supported}} */
typedef __w64 unsigned long ULONG_PTR, *PULONG_PTR;
void * __ptr64 PtrToPtr64(const void *p)
{
return((void * __ptr64) (unsigned __int64) (ULONG_PTR)p );
}
void * __ptr32 PtrToPtr32(const void *p)
{
return((void * __ptr32) (unsigned __int32) (ULONG_PTR)p );
}
void __forceinline InterlockedBitTestAndSet (long *Base, long Bit)
{
// FIXME: Re-enable this once MS inline asm stabilizes.
#if 0
__asm {
mov eax, Bit
mov ecx, Base
lock bts [ecx], eax
setc al
};
#endif
}
_inline int foo99() { return 99; }
void test_ms_alignof_alias() {
unsigned int s = _alignof(int);
s = __builtin_alignof(int);
}
void *_alloca(int);
void foo() {
__declspec(align(16)) int *buffer = (int *)_alloca(9);
}
typedef bool (__stdcall __stdcall *blarg)(int);
void local_callconv()
{
bool (__stdcall *p)(int);
}
// Charify extension.
#define FOO(x) #@x
char x = FOO(a);
typedef enum E { e1 };
enum __declspec(deprecated) E2 { i, j, k }; // expected-note {{declared here}}
__declspec(deprecated) enum E3 { a, b, c } e; // expected-note {{declared here}}
void deprecated_enum_test(void)
{
// Test to make sure the deprecated warning follows the right thing
enum E2 e1; // expected-warning {{'E2' is deprecated}}
enum E3 e2; // No warning expected, the deprecation follows the variable
enum E3 e3 = e; // expected-warning {{'e' is deprecated}}
}
/* Microsoft attribute tests */
[repeatable][source_annotation_attribute( Parameter|ReturnValue )]
struct SA_Post{ SA_Post(); int attr; };
[returnvalue:SA_Post( attr=1)]
int foo1([SA_Post(attr=1)] void *param);
void ms_intrinsics(int a)
{
__noop();
__assume(a);
__debugbreak();
}
struct __declspec(frobble) S1 {}; /* expected-warning {{unknown __declspec attribute 'frobble' ignored}} */
struct __declspec(12) S2 {}; /* expected-error {{__declspec attributes must be an identifier or string literal}} */
struct __declspec("testing") S3 {}; /* expected-warning {{__declspec attribute '"testing"' is not supported}} */
/* Ensure multiple declspec attributes are supported */
struct __declspec(align(8) deprecated) S4 {};
/* But multiple declspecs must still be legal */
struct __declspec(deprecated frobble "testing") S5 {}; /* expected-warning {{unknown __declspec attribute 'frobble' ignored}} expected-warning {{__declspec attribute '"testing"' is not supported}} */
struct __declspec(unknown(12) deprecated) S6 {}; /* expected-warning {{unknown __declspec attribute 'unknown' ignored}}*/
struct S7 {
int foo() { return 12; }
__declspec(property(get=foo) deprecated) int t; // expected-note {{declared here}}
};
/* Technically, this is legal (though it does nothing) */
__declspec() void quux( void ) {
struct S7 s;
int i = s.t; /* expected-warning {{'t' is deprecated}} */
}