forked from OSchip/llvm-project
472 lines
17 KiB
C++
472 lines
17 KiB
C++
// RUN: %clang_cc1 %s -triple i386-pc-win32 -std=c++14 -fsyntax-only -Wno-unused-getter-return-value -Wno-unused-value -Wmicrosoft -verify -fms-extensions -fms-compatibility -fdelayed-template-parsing
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/* Microsoft attribute tests */
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[repeatable][source_annotation_attribute( Parameter|ReturnValue )]
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struct SA_Post{ SA_Post(); int attr; };
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[returnvalue:SA_Post( attr=1)]
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int foo1([SA_Post(attr=1)] void *param);
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namespace {
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[returnvalue:SA_Post(attr=1)]
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int foo2([SA_Post(attr=1)] void *param);
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}
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class T {
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[returnvalue:SA_Post(attr=1)]
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int foo3([SA_Post(attr=1)] void *param);
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};
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extern "C" {
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[returnvalue:SA_Post(attr=1)]
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int foo5([SA_Post(attr=1)] void *param);
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}
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class class_attr {
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public:
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class_attr([SA_Pre(Null=SA_No,NullTerminated=SA_Yes)] int a)
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{
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}
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};
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void uuidof_test1()
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{
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__uuidof(0);
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}
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typedef struct _GUID
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{
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unsigned long Data1;
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unsigned short Data2;
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unsigned short Data3;
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unsigned char Data4[8];
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} GUID;
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struct __declspec(uuid(L"00000000-0000-0000-1234-000000000047")) uuid_attr_bad1 { };// expected-error {{'uuid' attribute requires a string}}
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struct __declspec(uuid(3)) uuid_attr_bad2 { };// expected-error {{'uuid' attribute requires a string}}
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struct __declspec(uuid("0000000-0000-0000-1234-0000500000047")) uuid_attr_bad3 { };// expected-error {{uuid attribute contains a malformed GUID}}
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struct __declspec(uuid("0000000-0000-0000-Z234-000000000047")) uuid_attr_bad4 { };// expected-error {{uuid attribute contains a malformed GUID}}
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struct __declspec(uuid("000000000000-0000-1234-000000000047")) uuid_attr_bad5 { };// expected-error {{uuid attribute contains a malformed GUID}}
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[uuid("000000000000-0000-1234-000000000047")] struct uuid_attr_bad6 { };// expected-error {{uuid attribute contains a malformed GUID}}
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__declspec(uuid("000000A0-0000-0000-C000-000000000046")) int i; // expected-warning {{'uuid' attribute only applies to structs, unions, classes, and enums}}
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struct __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
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struct_with_uuid { };
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struct struct_without_uuid { };
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struct __declspec(uuid("000000A0-0000-0000-C000-000000000049"))
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struct_with_uuid2;
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[uuid("000000A0-0000-0000-C000-000000000049")] struct struct_with_uuid3; // expected-warning{{specifying 'uuid' as an ATL attribute is deprecated; use __declspec instead}}
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struct
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struct_with_uuid2 {} ;
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enum __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
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enum_with_uuid { };
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enum enum_without_uuid { };
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int __declspec(uuid("000000A0-0000-0000-C000-000000000046")) inappropriate_uuid; // expected-warning {{'uuid' attribute only applies to}}
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int uuid_sema_test()
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{
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struct_with_uuid var_with_uuid[1];
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struct_without_uuid var_without_uuid[1];
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__uuidof(struct_with_uuid);
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__uuidof(struct_with_uuid2);
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__uuidof(struct_with_uuid3);
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__uuidof(struct_without_uuid); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(struct_with_uuid*);
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__uuidof(struct_without_uuid*); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(struct_with_uuid[1]);
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__uuidof(struct_with_uuid*[1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(const struct_with_uuid[1][1]);
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__uuidof(const struct_with_uuid*[1][1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(enum_with_uuid);
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__uuidof(enum_without_uuid); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(enum_with_uuid*);
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__uuidof(enum_without_uuid*); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(enum_with_uuid[1]);
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__uuidof(enum_with_uuid*[1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(const enum_with_uuid[1][1]);
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__uuidof(const enum_with_uuid*[1][1]); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(var_with_uuid);
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__uuidof(var_without_uuid);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(var_with_uuid[1]);
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__uuidof(var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(&var_with_uuid[1]);
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__uuidof(&var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
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__uuidof(0);
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__uuidof(1);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
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}
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template <class T>
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void template_uuid()
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{
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T expr;
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__uuidof(T);
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__uuidof(expr);
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}
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template <class T, const GUID* g = &__uuidof(T)> // expected-note {{template parameter is declared here}}
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class COM_CLASS_TEMPLATE { };
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typedef COM_CLASS_TEMPLATE<struct_with_uuid, &*&__uuidof(struct_with_uuid)> COM_TYPE_1; // expected-warning {{non-type template argument containing a dereference operation is a Microsoft extension}}
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typedef COM_CLASS_TEMPLATE<struct_with_uuid> COM_TYPE_2;
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template <class T, const GUID& g>
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class COM_CLASS_TEMPLATE_REF { };
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typedef COM_CLASS_TEMPLATE_REF<struct_with_uuid, __uuidof(struct_with_uuid)> COM_TYPE_REF;
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struct late_defined_uuid;
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template<typename T>
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void test_late_defined_uuid() {
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__uuidof(late_defined_uuid);
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}
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struct __declspec(uuid("000000A0-0000-0000-C000-000000000049")) late_defined_uuid;
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COM_CLASS_TEMPLATE_REF<int, __uuidof(struct_with_uuid)> good_template_arg;
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COM_CLASS_TEMPLATE<int, __uuidof(struct_with_uuid)> bad_template_arg; // expected-error {{non-type template argument for template parameter of pointer type 'const GUID *' (aka 'const _GUID *') must have its address taken}}
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namespace PR16911 {
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struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
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struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid2;
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template <typename T, typename T2>
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struct thing {
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};
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struct empty {};
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struct inher : public thing<empty, uuid2> {};
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struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
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const struct _GUID *w = &__uuidof(inher); // expected-error{{cannot call operator __uuidof on a type with no GUID}}
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const struct _GUID *x = &__uuidof(thing<uuid, inher>);
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const struct _GUID *y = &__uuidof(thing<uuid2, uuid>); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
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thing<uuid2, uuid> thing_obj = thing<uuid2, uuid>();
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const struct _GUID *z = &__uuidof(thing_obj); // expected-error{{cannot call operator __uuidof on a type with multiple GUIDs}}
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}
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class CtorCall {
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public:
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CtorCall& operator=(const CtorCall& that);
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int a;
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};
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CtorCall& CtorCall::operator=(const CtorCall& that)
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{
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if (this != &that) {
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this->CtorCall::~CtorCall();
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this->CtorCall::CtorCall(that); // expected-warning {{explicit constructor calls are a Microsoft extension}}
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}
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return *this;
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}
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template <class A>
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class C1 {
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public:
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template <int B>
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class Iterator {
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};
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};
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template<class T>
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class C2 {
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typename C1<T>:: /*template*/ Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
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};
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template <class T>
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void missing_template_keyword(){
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typename C1<T>:: /*template*/ Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
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}
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class AAAA {
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typedef int D;
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};
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template <typename T>
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class SimpleTemplate {};
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template <class T>
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void redundant_typename() {
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typename T t;// expected-warning {{expected a qualified name after 'typename'}}
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typename AAAA a;// expected-warning {{expected a qualified name after 'typename'}}
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t = 3;
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typedef typename T* pointerT;// expected-warning {{expected a qualified name after 'typename'}}
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typedef typename SimpleTemplate<int> templateT;// expected-warning {{expected a qualified name after 'typename'}}
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pointerT pT = &t;
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*pT = 4;
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int var;
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int k = typename var;// expected-error {{expected a qualified name after 'typename'}}
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}
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template <typename T>
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struct TypenameWrongPlace {
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typename typedef T::D D;// expected-warning {{expected a qualified name after 'typename'}}
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};
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extern TypenameWrongPlace<AAAA> PR16925;
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__interface MicrosoftInterface;
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__interface MicrosoftInterface {
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void foo1() = 0; // expected-note {{overridden virtual function is here}}
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virtual void foo2() = 0;
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};
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__interface MicrosoftDerivedInterface : public MicrosoftInterface {
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void foo1(); // expected-warning {{'foo1' overrides a member function but is not marked 'override'}}
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void foo2() override;
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void foo3();
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};
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void interface_test() {
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MicrosoftInterface* a;
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a->foo1();
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MicrosoftDerivedInterface* b;
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b->foo2();
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}
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__int64 x7 = __int64(0);
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_int64 x8 = _int64(0);
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static_assert(sizeof(_int64) == 8, "");
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static_assert(sizeof(_int32) == 4, "");
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static_assert(sizeof(_int16) == 2, "");
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static_assert(sizeof(_int8) == 1, "");
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int __identifier(generic) = 3;
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int __identifier(int) = 4;
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struct __identifier(class) { __identifier(class) *__identifier(for); };
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__identifier(class) __identifier(struct) = { &__identifier(struct) };
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int __identifier for; // expected-error {{missing '(' after '__identifier'}}
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int __identifier(else} = __identifier(for); // expected-error {{missing ')' after identifier}} expected-note {{to match this '('}}
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#define identifier_weird(x) __identifier(x
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int k = identifier_weird(if)); // expected-error {{use of undeclared identifier 'if'}}
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extern int __identifier(and);
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void f() {
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__identifier(() // expected-error {{cannot convert '(' token to an identifier}}
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__identifier(void) // expected-error {{use of undeclared identifier 'void'}}
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__identifier()) // expected-error {{cannot convert ')' token to an identifier}}
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// FIXME: We should pick a friendlier display name for this token kind.
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__identifier(1) // expected-error {{cannot convert <numeric_constant> token to an identifier}}
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__identifier(+) // expected-error {{cannot convert '+' token to an identifier}}
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__identifier("foo") // expected-error {{cannot convert <string_literal> token to an identifier}}
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__identifier(;) // expected-error {{cannot convert ';' token to an identifier}}
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}
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class inline_definition_pure_spec {
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virtual int f() = 0 { return 0; }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
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virtual int f2() = 0;
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};
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struct pure_virtual_dtor {
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virtual ~pure_virtual_dtor() = 0;
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};
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pure_virtual_dtor::~pure_virtual_dtor() { }
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struct pure_virtual_dtor_inline {
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virtual ~pure_virtual_dtor_inline() = 0 { }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
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};
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template<typename T> struct pure_virtual_dtor_template {
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virtual ~pure_virtual_dtor_template() = 0;
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};
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template<typename T> pure_virtual_dtor_template<T>::~pure_virtual_dtor_template() {}
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template struct pure_virtual_dtor_template<int>;
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template<typename T> struct pure_virtual_dtor_template_inline {
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virtual ~pure_virtual_dtor_template_inline() = 0 {}
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// expected-warning@-1 2{{function definition with pure-specifier is a Microsoft extension}}
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};
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template struct pure_virtual_dtor_template_inline<int>;
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// expected-note@-1 {{in instantiation of member function}}
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int main () {
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// Necessary to force instantiation in -fdelayed-template-parsing mode.
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test_late_defined_uuid<int>();
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redundant_typename<int>();
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missing_template_keyword<int>();
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}
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namespace access_protected_PTM {
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class A {
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protected:
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void f(); // expected-note {{must name member using the type of the current context 'access_protected_PTM::B'}}
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};
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class B : public A{
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public:
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void test_access();
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static void test_access_static();
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};
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void B::test_access() {
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&A::f; // expected-error {{'f' is a protected member of 'access_protected_PTM::A'}}
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}
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void B::test_access_static() {
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&A::f;
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}
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}
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namespace Inheritance {
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class __single_inheritance A;
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class __multiple_inheritance B;
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class __virtual_inheritance C;
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}
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struct StructWithProperty {
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__declspec(property) int V0; // expected-error {{expected '(' after 'property'}}
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__declspec(property()) int V1; // expected-error {{property does not specify a getter or a putter}}
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__declspec(property(set)) int V2; // expected-error {{putter for property must be specified as 'put', not 'set'}} expected-error {{expected '=' after 'set'}}
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__declspec(property(ptu)) int V3; // expected-error {{missing 'get=' or 'put='}}
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__declspec(property(ptu=PutV)) int V4; // expected-error {{expected 'get' or 'put' in property declaration}}
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__declspec(property(get)) int V5; // expected-error {{expected '=' after 'get'}}
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__declspec(property(get&)) int V6; // expected-error {{expected '=' after 'get'}}
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__declspec(property(get=)) int V7; // expected-error {{expected name of accessor method}}
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__declspec(property(get=GetV)) int V8; // no-warning
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__declspec(property(get=GetV=)) int V9; // expected-error {{expected ',' or ')' at end of property accessor list}}
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__declspec(property(get=GetV,)) int V10; // expected-error {{expected 'get' or 'put' in property declaration}}
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__declspec(property(get=GetV,put=SetV)) int V11; // no-warning
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__declspec(property(get=GetV,put=SetV,get=GetV)) int V12; // expected-error {{property declaration specifies 'get' accessor twice}}
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__declspec(property(get=GetV)) int V13 = 3; // expected-error {{property declaration cannot have an in-class initializer}}
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int GetV() { return 123; }
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void SetV(int v) {}
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};
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void TestProperty() {
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StructWithProperty sp;
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sp.V8;
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sp.V8 = 0; // expected-error {{no setter defined for property 'V8'}}
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int i = sp.V11;
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sp.V11 = i++;
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sp.V11 += 8;
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sp.V11++;
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++sp.V11;
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}
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//expected-warning@+1 {{C++ operator 'and' (aka '&&') used as a macro name}}
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#define and foo
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struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) __declspec(novtable) IUnknown {};
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typedef bool (__stdcall __stdcall *blarg)(int);
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void local_callconv() {
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bool (__stdcall *p)(int);
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}
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struct S7 {
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int foo() { return 12; }
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__declspec(property(get=foo) deprecated) int t; // expected-note {{'t' has been explicitly marked deprecated here}}
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};
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// Technically, this is legal (though it does nothing)
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__declspec() void quux( void ) {
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struct S7 s;
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int i = s.t; // expected-warning {{'t' is deprecated}}
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}
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void *_alloca(int);
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void foo(void) {
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__declspec(align(16)) int *buffer = (int *)_alloca(9);
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}
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template <int *>
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struct NullptrArg {};
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NullptrArg<nullptr> a;
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// Ignored type qualifiers after comma in declarator lists
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typedef int ignored_quals_dummy1, const volatile __ptr32 __ptr64 __w64 __unaligned __sptr __uptr ignored_quals1; // expected-warning {{qualifiers after comma in declarator list are ignored}}
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typedef void(*ignored_quals_dummy2)(), __fastcall ignored_quals2; // expected-warning {{qualifiers after comma in declarator list are ignored}}
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typedef void(*ignored_quals_dummy3)(), __stdcall ignored_quals3; // expected-warning {{qualifiers after comma in declarator list are ignored}}
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typedef void(*ignored_quals_dummy4)(), __thiscall ignored_quals4; // expected-warning {{qualifiers after comma in declarator list are ignored}}
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typedef void(*ignored_quals_dummy5)(), __cdecl ignored_quals5; // expected-warning {{qualifiers after comma in declarator list are ignored}}
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typedef void(*ignored_quals_dummy6)(), __vectorcall ignored_quals6; // expected-warning {{qualifiers after comma in declarator list are ignored}}
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namespace {
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bool f(int);
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template <typename T>
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struct A {
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constexpr A(T t) {
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__assume(f(t)); // expected-warning{{the argument to '__assume' has side effects that will be discarded}}
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}
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constexpr bool g() { return false; }
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};
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constexpr A<int> h() {
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A<int> b(0); // expected-note {{in instantiation of member function}}
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return b;
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}
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static_assert(h().g() == false, "");
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}
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namespace {
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__declspec(align(16)) struct align_before_key1 {};
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__declspec(align(16)) struct align_before_key2 {} align_before_key2_var;
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__declspec(align(16)) struct align_before_key3 {} *align_before_key3_var;
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static_assert(__alignof(struct align_before_key1) == 16, "");
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static_assert(__alignof(struct align_before_key2) == 16, "");
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static_assert(__alignof(struct align_before_key3) == 16, "");
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}
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namespace PR24027 {
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struct S {
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template <typename T>
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S(T);
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} f([] {});
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}
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namespace pr36638 {
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// Make sure we accept __unaligned method qualifiers on member function
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// pointers.
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struct A;
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void (A::*mp1)(int) __unaligned;
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}
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namespace enum_class {
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// MSVC allows opaque-enum-declaration syntax anywhere an
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// elaborated-type-specifier can appear.
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// FIXME: Most of these are missing warnings.
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enum E0 *p0; // expected-warning {{Microsoft extension}}
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enum class E1 : int *p1;
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enum E2 : int *p2;
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enum class E3 *p3;
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auto f4() -> enum class E4 { return {}; }
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auto f5() -> enum E5 : int { return {}; } // FIXME: MSVC rejects this and crashes if the body is {}.
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auto f6() -> enum E6 { return {}; } // expected-warning {{Microsoft extension}}
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// MSVC does not perform disambiguation for a colon that could introduce an
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// enum-base or a bit-field.
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enum E {};
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struct S {
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enum E : int(1); // expected-error {{anonymous bit-field}}
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enum E : int : 1; // OK, bit-field
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enum F : int a = {}; // OK, default member initializer
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// MSVC produces a "C4353 constant 0 as function expression" for this,
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// considering the final {} to be part of the bit-width. We follow P0683R1
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// and treat it as a default member initializer.
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enum E : int : int{}{}; // expected-error {{anonymous bit-field cannot have a default member initializer}} expected-warning {{C++20 extension}}
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};
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}
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