526 lines
16 KiB
C++
526 lines
16 KiB
C++
// RUN: %clang_cc1 %s -triple i686-pc-win32 -fsyntax-only -Wmicrosoft -Wc++11-extensions -Wno-long-long -verify -fms-extensions -fexceptions -fcxx-exceptions -DTEST1
|
|
// RUN: %clang_cc1 -std=c++98 %s -triple i686-pc-win32 -fsyntax-only -Wmicrosoft -Wc++11-extensions -Wno-long-long -verify -fms-extensions -fexceptions -fcxx-exceptions -DTEST1
|
|
// RUN: %clang_cc1 -std=c++11 %s -triple i686-pc-win32 -fsyntax-only -Wmicrosoft -Wc++11-extensions -Wno-long-long -verify -fms-extensions -fexceptions -fcxx-exceptions -DTEST1
|
|
// RUN: %clang_cc1 %s -triple i686-pc-win32 -fsyntax-only -Wmicrosoft -Wc++11-extensions -Wno-long-long -verify -fexceptions -fcxx-exceptions -DTEST2
|
|
// RUN: %clang_cc1 %s -triple i686-pc-win32 -fsyntax-only -std=c++11 -fms-compatibility -verify -DTEST3
|
|
|
|
#if TEST1
|
|
|
|
// MSVC allows type definition in anonymous union and struct
|
|
struct A
|
|
{
|
|
union
|
|
{
|
|
int a;
|
|
struct B // expected-warning {{types declared in an anonymous union are a Microsoft extension}}
|
|
{
|
|
int c;
|
|
} d;
|
|
|
|
union C // expected-warning {{types declared in an anonymous union are a Microsoft extension}}
|
|
{
|
|
int e;
|
|
int ee;
|
|
} f;
|
|
|
|
typedef int D; // expected-warning {{types declared in an anonymous union are a Microsoft extension}}
|
|
struct F; // expected-warning {{types declared in an anonymous union are a Microsoft extension}}
|
|
};
|
|
|
|
struct
|
|
{
|
|
int a2;
|
|
|
|
struct B2 // expected-warning {{types declared in an anonymous struct are a Microsoft extension}}
|
|
{
|
|
int c2;
|
|
} d2;
|
|
|
|
union C2 // expected-warning {{types declared in an anonymous struct are a Microsoft extension}}
|
|
{
|
|
int e2;
|
|
int ee2;
|
|
} f2;
|
|
|
|
typedef int D2; // expected-warning {{types declared in an anonymous struct are a Microsoft extension}}
|
|
struct F2; // expected-warning {{types declared in an anonymous struct are a Microsoft extension}}
|
|
};
|
|
};
|
|
|
|
// __stdcall handling
|
|
struct M {
|
|
int __stdcall addP();
|
|
float __stdcall subtractP();
|
|
};
|
|
|
|
// __unaligned handling
|
|
typedef char __unaligned *aligned_type;
|
|
typedef struct UnalignedTag { int f; } __unaligned *aligned_type2;
|
|
typedef char __unaligned aligned_type3;
|
|
|
|
struct aligned_type4 {
|
|
int i;
|
|
};
|
|
|
|
__unaligned int aligned_type4::*p1_aligned_type4 = &aligned_type4::i;
|
|
int aligned_type4::* __unaligned p2_aligned_type4 = &aligned_type4::i;
|
|
__unaligned int aligned_type4::* __unaligned p3_aligned_type4 = &aligned_type4::i;
|
|
void (aligned_type4::*__unaligned p4_aligned_type4)();
|
|
|
|
// Check that __unaligned qualifier can be used for overloading
|
|
void foo_unaligned(int *arg) {}
|
|
void foo_unaligned(__unaligned int *arg) {}
|
|
void foo_unaligned(int arg) {} // expected-note {{previous definition is here}}
|
|
void foo_unaligned(__unaligned int arg) {} // expected-error {{redefinition of 'foo_unaligned'}}
|
|
class A_unaligned {};
|
|
class B_unaligned : public A_unaligned {};
|
|
int foo_unaligned(__unaligned A_unaligned *arg) { return 0; }
|
|
void *foo_unaligned(B_unaligned *arg) { return 0; }
|
|
|
|
void test_unaligned() {
|
|
int *p1 = 0;
|
|
foo_unaligned(p1);
|
|
|
|
__unaligned int *p2 = 0;
|
|
foo_unaligned(p2);
|
|
|
|
__unaligned B_unaligned *p3 = 0;
|
|
int p4 = foo_unaligned(p3);
|
|
|
|
B_unaligned *p5 = p3; // expected-error {{cannot initialize a variable of type 'B_unaligned *' with an lvalue of type '__unaligned B_unaligned *'}}
|
|
|
|
__unaligned B_unaligned *p6 = p3;
|
|
|
|
p1_aligned_type4 = p2_aligned_type4;
|
|
p2_aligned_type4 = p1_aligned_type4; // expected-error {{assigning to 'int aligned_type4::*' from incompatible type '__unaligned int aligned_type4::*'}}
|
|
p3_aligned_type4 = p1_aligned_type4;
|
|
|
|
__unaligned int a[10];
|
|
int *b = a; // expected-error {{cannot initialize a variable of type 'int *' with an lvalue of type '__unaligned int [10]'}}
|
|
}
|
|
|
|
// Test from PR27367
|
|
// We should accept assignment of an __unaligned pointer to a non-__unaligned
|
|
// pointer to void
|
|
typedef struct _ITEMIDLIST { int i; } ITEMIDLIST;
|
|
typedef ITEMIDLIST __unaligned *LPITEMIDLIST;
|
|
extern "C" __declspec(dllimport) void __stdcall CoTaskMemFree(void* pv);
|
|
__inline void FreeIDListArray(LPITEMIDLIST *ppidls) {
|
|
CoTaskMemFree(*ppidls);
|
|
__unaligned int *x = 0;
|
|
void *y = x;
|
|
}
|
|
|
|
// Test from PR27666
|
|
// We should accept type conversion of __unaligned to non-__unaligned references
|
|
typedef struct in_addr {
|
|
public:
|
|
in_addr(in_addr &a) {} // expected-note {{candidate constructor not viable: no known conversion from '__unaligned IN_ADDR *' (aka '__unaligned in_addr *') to 'in_addr &' for 1st argument; dereference the argument with *}}
|
|
in_addr(in_addr *a) {} // expected-note {{candidate constructor not viable: 1st argument ('__unaligned IN_ADDR *' (aka '__unaligned in_addr *')) would lose __unaligned qualifier}}
|
|
} IN_ADDR;
|
|
|
|
void f(IN_ADDR __unaligned *a) {
|
|
IN_ADDR local_addr = *a;
|
|
IN_ADDR local_addr2 = a; // expected-error {{no viable conversion from '__unaligned IN_ADDR *' (aka '__unaligned in_addr *') to 'IN_ADDR' (aka 'in_addr')}}
|
|
}
|
|
|
|
template<typename T> void h1(T (__stdcall M::* const )()) { }
|
|
|
|
void m1() {
|
|
h1<int>(&M::addP);
|
|
h1(&M::subtractP);
|
|
}
|
|
|
|
|
|
namespace signed_hex_i64 {
|
|
void f(long long); // expected-note {{candidate function}}
|
|
void f(int); // expected-note {{candidate function}}
|
|
void g() {
|
|
// This used to be controlled by -fms-extensions, but it is now under
|
|
// -fms-compatibility.
|
|
f(0xffffffffffffffffLL); // expected-error {{call to 'f' is ambiguous}}
|
|
f(0xffffffffffffffffi64);
|
|
}
|
|
}
|
|
|
|
// Enumeration types with a fixed underlying type.
|
|
const int seventeen = 17;
|
|
typedef int Int;
|
|
|
|
struct X0 {
|
|
enum E1 : Int { SomeOtherValue } field;
|
|
#if __cplusplus <= 199711L
|
|
// expected-warning@-2 {{enumeration types with a fixed underlying type are a C++11 extension}}
|
|
#endif
|
|
|
|
enum E1 : seventeen;
|
|
#if __cplusplus >= 201103L
|
|
// expected-error@-2 {{bit-field}}
|
|
#endif
|
|
};
|
|
|
|
#if __cplusplus <= 199711L
|
|
// expected-warning@+2 {{enumeration types with a fixed underlying type are a C++11 extension}}
|
|
#endif
|
|
enum : long long {
|
|
SomeValue = 0x100000000
|
|
};
|
|
|
|
|
|
class AAA {
|
|
__declspec(dllimport) void f(void) { }
|
|
void f2(void); // expected-note{{previous declaration is here}}
|
|
};
|
|
|
|
__declspec(dllimport) void AAA::f2(void) { // expected-error{{dllimport cannot be applied to non-inline function definition}}
|
|
// expected-error@-1{{redeclaration of 'AAA::f2' cannot add 'dllimport' attribute}}
|
|
|
|
}
|
|
|
|
|
|
|
|
template <class T>
|
|
class BB {
|
|
public:
|
|
void f(int g = 10 ); // expected-note {{previous definition is here}}
|
|
};
|
|
|
|
template <class T>
|
|
void BB<T>::f(int g = 0) { } // expected-warning {{redefinition of default argument}}
|
|
|
|
|
|
|
|
extern void static_func();
|
|
void static_func(); // expected-note {{previous declaration is here}}
|
|
|
|
|
|
static void static_func() // expected-warning {{redeclaring non-static 'static_func' as static is a Microsoft extension}}
|
|
{
|
|
|
|
}
|
|
|
|
extern const int static_var; // expected-note {{previous declaration is here}}
|
|
static const int static_var = 3; // expected-warning {{redeclaring non-static 'static_var' as static is a Microsoft extension}}
|
|
|
|
void pointer_to_integral_type_conv(char* ptr) {
|
|
char ch = (char)ptr; // expected-warning {{cast to smaller integer type 'char' from 'char *'}}
|
|
short sh = (short)ptr; // expected-warning {{cast to smaller integer type 'short' from 'char *'}}
|
|
ch = (char)ptr; // expected-warning {{cast to smaller integer type 'char' from 'char *'}}
|
|
sh = (short)ptr; // expected-warning {{cast to smaller integer type 'short' from 'char *'}}
|
|
|
|
// These are valid C++.
|
|
bool b = (bool)ptr;
|
|
b = static_cast<bool>(ptr);
|
|
|
|
// This is bad.
|
|
b = reinterpret_cast<bool>(ptr); // expected-error {{cast from pointer to smaller type 'bool' loses information}}
|
|
}
|
|
|
|
void void_pointer_to_integral_type_conv(void *ptr) {
|
|
char ch = (char)ptr; // expected-warning {{cast to smaller integer type 'char' from 'void *'}}
|
|
short sh = (short)ptr; // expected-warning {{cast to smaller integer type 'short' from 'void *'}}
|
|
ch = (char)ptr; // expected-warning {{cast to smaller integer type 'char' from 'void *'}}
|
|
sh = (short)ptr; // expected-warning {{cast to smaller integer type 'short' from 'void *'}}
|
|
|
|
// These are valid C++.
|
|
bool b = (bool)ptr;
|
|
b = static_cast<bool>(ptr);
|
|
|
|
// This is bad.
|
|
b = reinterpret_cast<bool>(ptr); // expected-error {{cast from pointer to smaller type 'bool' loses information}}
|
|
}
|
|
|
|
struct PR11150 {
|
|
class X {
|
|
virtual void f() = 0;
|
|
};
|
|
|
|
int array[__is_abstract(X)? 1 : -1];
|
|
};
|
|
|
|
void f() { int __except = 0; }
|
|
|
|
void ::f(); // expected-warning{{extra qualification on member 'f'}}
|
|
|
|
class C {
|
|
C::C(); // expected-warning{{extra qualification on member 'C'}}
|
|
};
|
|
|
|
struct StructWithProperty {
|
|
__declspec(property(get=GetV)) int V1;
|
|
__declspec(property(put=SetV)) int V2;
|
|
__declspec(property(get=GetV, put=SetV_NotExist)) int V3;
|
|
__declspec(property(get=GetV_NotExist, put=SetV)) int V4;
|
|
__declspec(property(get=GetV, put=SetV)) int V5;
|
|
|
|
int GetV() { return 123; }
|
|
void SetV(int i) {}
|
|
};
|
|
void TestProperty() {
|
|
StructWithProperty sp;
|
|
int i = sp.V2; // expected-error{{no getter defined for property 'V2'}}
|
|
sp.V1 = 12; // expected-error{{no setter defined for property 'V1'}}
|
|
int j = sp.V4; // expected-error{{no member named 'GetV_NotExist' in 'StructWithProperty'}} expected-error{{cannot find suitable getter for property 'V4'}}
|
|
sp.V3 = 14; // expected-error{{no member named 'SetV_NotExist' in 'StructWithProperty'}} expected-error{{cannot find suitable setter for property 'V3'}}
|
|
int k = sp.V5;
|
|
sp.V5 = k++;
|
|
}
|
|
|
|
/* 4 tests for PseudoObject, begin */
|
|
struct SP1
|
|
{
|
|
bool operator()() { return true; }
|
|
};
|
|
struct SP2
|
|
{
|
|
__declspec(property(get=GetV)) SP1 V;
|
|
SP1 GetV() { return SP1(); }
|
|
};
|
|
void TestSP2() {
|
|
SP2 sp2;
|
|
bool b = sp2.V();
|
|
}
|
|
|
|
struct SP3 {
|
|
template <class T>
|
|
void f(T t) {}
|
|
};
|
|
template <class T>
|
|
struct SP4
|
|
{
|
|
__declspec(property(get=GetV)) int V;
|
|
int GetV() { return 123; }
|
|
void f() { SP3 s2; s2.f(V); }
|
|
};
|
|
void TestSP4() {
|
|
SP4<int> s;
|
|
s.f();
|
|
}
|
|
|
|
template <class T>
|
|
struct SP5
|
|
{
|
|
__declspec(property(get=GetV)) T V;
|
|
int GetV() { return 123; }
|
|
void f() { int *p = new int[V]; }
|
|
};
|
|
|
|
template <class T>
|
|
struct SP6
|
|
{
|
|
public:
|
|
__declspec(property(get=GetV)) T V;
|
|
T GetV() { return 123; }
|
|
void f() { int t = V; }
|
|
};
|
|
void TestSP6() {
|
|
SP6<int> c;
|
|
c.f();
|
|
}
|
|
/* 4 tests for PseudoObject, end */
|
|
|
|
// Property access: explicit, implicit, with Qualifier
|
|
struct SP7 {
|
|
__declspec(property(get=GetV, put=SetV)) int V;
|
|
int GetV() { return 123; }
|
|
void SetV(int v) {}
|
|
|
|
void ImplicitAccess() { int i = V; V = i; }
|
|
void ExplicitAccess() { int i = this->V; this->V = i; }
|
|
};
|
|
struct SP8: public SP7 {
|
|
void AccessWithQualifier() { int i = SP7::V; SP7::V = i; }
|
|
};
|
|
|
|
// Property usage
|
|
template <class T>
|
|
struct SP9 {
|
|
__declspec(property(get=GetV, put=SetV)) T V;
|
|
T GetV() { return 0; }
|
|
void SetV(T v) {}
|
|
bool f() { V = this->V; return V < this->V; }
|
|
void g() { V++; }
|
|
void h() { V*=2; }
|
|
};
|
|
struct SP10 {
|
|
SP10(int v) {}
|
|
bool operator<(const SP10& v) { return true; }
|
|
SP10 operator*(int v) { return *this; }
|
|
SP10 operator+(int v) { return *this; }
|
|
SP10& operator=(const SP10& v) { return *this; }
|
|
};
|
|
void TestSP9() {
|
|
SP9<int> c;
|
|
int i = c.V; // Decl initializer
|
|
i = c.V; // Binary op operand
|
|
c.SetV(c.V); // CallExpr arg
|
|
int *p = new int[c.V + 1]; // Array size
|
|
p[c.V] = 1; // Array index
|
|
|
|
c.V = 123; // Setter
|
|
|
|
c.V++; // Unary op operand
|
|
c.V *= 2; // Unary op operand
|
|
|
|
SP9<int*> c2;
|
|
c2.V[0] = 123; // Array
|
|
|
|
SP9<SP10> c3;
|
|
c3.f(); // Overloaded binary op operand
|
|
c3.g(); // Overloaded incdec op operand
|
|
c3.h(); // Overloaded unary op operand
|
|
}
|
|
|
|
union u {
|
|
int *i1;
|
|
int &i2; // expected-warning {{union member 'i2' has reference type 'int &', which is a Microsoft extension}}
|
|
};
|
|
|
|
// Property getter using reference.
|
|
struct SP11 {
|
|
__declspec(property(get=GetV)) int V;
|
|
int _v;
|
|
int& GetV() { return _v; }
|
|
void UseV();
|
|
void TakePtr(int *) {}
|
|
void TakeRef(int &) {}
|
|
void TakeVal(int) {}
|
|
};
|
|
|
|
void SP11::UseV() {
|
|
TakePtr(&V);
|
|
TakeRef(V);
|
|
TakeVal(V);
|
|
}
|
|
|
|
struct StructWithUnnamedMember {
|
|
__declspec(property(get=GetV)) int : 10; // expected-error {{anonymous property is not supported}}
|
|
};
|
|
|
|
struct MSPropertyClass {
|
|
int get() { return 42; }
|
|
int __declspec(property(get = get)) n;
|
|
};
|
|
|
|
int *f(MSPropertyClass &x) {
|
|
return &x.n; // expected-error {{address of property expression requested}}
|
|
}
|
|
int MSPropertyClass::*g() {
|
|
return &MSPropertyClass::n; // expected-error {{address of property expression requested}}
|
|
}
|
|
|
|
namespace rdar14250378 {
|
|
class Bar {};
|
|
|
|
namespace NyNamespace {
|
|
class Foo {
|
|
public:
|
|
Bar* EnsureBar();
|
|
};
|
|
|
|
class Baz : public Foo {
|
|
public:
|
|
friend class Bar;
|
|
};
|
|
|
|
Bar* Foo::EnsureBar() {
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// expected-error@+1 {{'sealed' keyword not permitted with interface types}}
|
|
__interface InterfaceWithSealed sealed {
|
|
};
|
|
|
|
struct SomeBase {
|
|
virtual void OverrideMe();
|
|
|
|
// expected-note@+2 {{overridden virtual function is here}}
|
|
// expected-warning@+1 {{'sealed' keyword is a Microsoft extension}}
|
|
virtual void SealedFunction() sealed; // expected-note {{overridden virtual function is here}}
|
|
};
|
|
|
|
// expected-note@+2 {{'SealedType' declared here}}
|
|
// expected-warning@+1 {{'sealed' keyword is a Microsoft extension}}
|
|
struct SealedType sealed : SomeBase {
|
|
// expected-error@+2 {{declaration of 'SealedFunction' overrides a 'sealed' function}}
|
|
// FIXME. warning can be suppressed if we're also issuing error for overriding a 'final' function.
|
|
virtual void SealedFunction(); // expected-warning {{'SealedFunction' overrides a member function but is not marked 'override'}}
|
|
|
|
#if __cplusplus <= 199711L
|
|
// expected-warning@+2 {{'override' keyword is a C++11 extension}}
|
|
#endif
|
|
virtual void OverrideMe() override;
|
|
};
|
|
|
|
// expected-error@+1 {{base 'SealedType' is marked 'sealed'}}
|
|
struct InheritFromSealed : SealedType {};
|
|
|
|
class SealedDestructor { // expected-note {{mark 'SealedDestructor' as 'sealed' to silence this warning}}
|
|
// expected-warning@+1 {{'sealed' keyword is a Microsoft extension}}
|
|
virtual ~SealedDestructor() sealed; // expected-warning {{class with destructor marked 'sealed' cannot be inherited from}}
|
|
};
|
|
|
|
void AfterClassBody() {
|
|
// expected-warning@+1 {{attribute 'deprecated' is ignored, place it after "struct" to apply attribute to type declaration}}
|
|
struct D {} __declspec(deprecated);
|
|
|
|
struct __declspec(align(4)) S {} __declspec(align(8)) s1;
|
|
S s2;
|
|
_Static_assert(__alignof(S) == 4, "");
|
|
_Static_assert(__alignof(s1) == 8, "");
|
|
_Static_assert(__alignof(s2) == 4, "");
|
|
}
|
|
|
|
namespace PR24246 {
|
|
template <typename TX> struct A {
|
|
template <bool> struct largest_type_select;
|
|
template <> struct largest_type_select<false> {
|
|
blah x; // expected-error {{unknown type name 'blah'}}
|
|
};
|
|
};
|
|
}
|
|
|
|
class PR34109_class {
|
|
PR34109_class() {}
|
|
virtual ~PR34109_class() {}
|
|
};
|
|
|
|
void operator delete(void *) throw();
|
|
// expected-note@-1 {{previous declaration is here}}
|
|
__declspec(dllexport) void operator delete(void *) throw();
|
|
// expected-error@-1 {{redeclaration of 'operator delete' cannot add 'dllexport' attribute}}
|
|
|
|
void PR34109(int* a) {
|
|
delete a;
|
|
}
|
|
|
|
namespace PR42089 {
|
|
struct S {
|
|
__attribute__((nothrow)) void Foo(); // expected-note {{previous declaration is here}}
|
|
__attribute__((nothrow)) void Bar();
|
|
};
|
|
void S::Foo(){} // expected-warning {{is missing exception specification}}
|
|
__attribute__((nothrow)) void S::Bar(){}
|
|
}
|
|
|
|
#elif TEST2
|
|
|
|
// Check that __unaligned is not recognized if MS extensions are not enabled
|
|
typedef char __unaligned *aligned_type; // expected-error {{expected ';' after top level declarator}}
|
|
|
|
#elif TEST3
|
|
|
|
namespace PR32750 {
|
|
template<typename T> struct A {};
|
|
template<typename T> struct B : A<A<T>> { A<T>::C::D d; }; // expected-error {{missing 'typename' prior to dependent type name 'A<T>::C::D'}}
|
|
}
|
|
|
|
#else
|
|
|
|
#error Unknown test mode
|
|
|
|
#endif
|
|
|