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

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// RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions -fdelayed-template-parsing
/* 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);
namespace {
[returnvalue:SA_Post(attr=1)]
int foo2([SA_Post(attr=1)] void *param);
}
class T {
[returnvalue:SA_Post(attr=1)]
int foo3([SA_Post(attr=1)] void *param);
};
extern "C" {
[returnvalue:SA_Post(attr=1)]
int foo5([SA_Post(attr=1)] void *param);
}
class class_attr {
public:
class_attr([SA_Pre(Null=SA_No,NullTerminated=SA_Yes)] int a)
{
}
};
void uuidof_test1()
{
__uuidof(0); // expected-error {{you need to include <guiddef.h> before using the '__uuidof' operator}}
}
typedef struct _GUID
{
unsigned long Data1;
unsigned short Data2;
unsigned short Data3;
unsigned char Data4[8];
} GUID;
struct __declspec(uuid(L"00000000-0000-0000-1234-000000000047")) uuid_attr_bad1 { };// expected-error {{'uuid' attribute requires parameter 1 to be a string}}
struct __declspec(uuid(3)) uuid_attr_bad2 { };// expected-error {{'uuid' attribute requires parameter 1 to be a string}}
struct __declspec(uuid("0000000-0000-0000-1234-0000500000047")) uuid_attr_bad3 { };// expected-error {{uuid attribute contains a malformed GUID}}
struct __declspec(uuid("0000000-0000-0000-Z234-000000000047")) uuid_attr_bad4 { };// expected-error {{uuid attribute contains a malformed GUID}}
struct __declspec(uuid("000000000000-0000-1234-000000000047")) uuid_attr_bad5 { };// expected-error {{uuid attribute contains a malformed GUID}}
struct __declspec(uuid("000000A0-0000-0000-C000-000000000046"))
struct_with_uuid { };
struct struct_without_uuid { };
struct __declspec(uuid("000000A0-0000-0000-C000-000000000049"))
struct_with_uuid2;
struct
struct_with_uuid2 {} ;
int uuid_sema_test()
{
struct_with_uuid var_with_uuid[1];
struct_without_uuid var_without_uuid[1];
__uuidof(struct_with_uuid);
__uuidof(struct_with_uuid2);
__uuidof(struct_without_uuid); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
__uuidof(struct_with_uuid*);
__uuidof(struct_without_uuid*); // expected-error {{cannot call operator __uuidof on a type with no GUID}}
__uuidof(var_with_uuid);
__uuidof(var_without_uuid);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
__uuidof(var_with_uuid[1]);
__uuidof(var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
__uuidof(&var_with_uuid[1]);
__uuidof(&var_without_uuid[1]);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
__uuidof(0);
__uuidof(1);// expected-error {{cannot call operator __uuidof on a type with no GUID}}
}
template <class T>
void template_uuid()
{
T expr;
__uuidof(T);
__uuidof(expr);
}
template <class T, const GUID* g = &__uuidof(T)>
class COM_CLASS_TEMPLATE { };
typedef COM_CLASS_TEMPLATE<struct_with_uuid, &__uuidof(struct_with_uuid)> COM_TYPE_1;
typedef COM_CLASS_TEMPLATE<struct_with_uuid> COM_TYPE_2;
template <class T, const GUID& g>
class COM_CLASS_TEMPLATE_REF { };
typedef COM_CLASS_TEMPLATE<struct_with_uuid, __uuidof(struct_with_uuid)> COM_TYPE_REF;
struct late_defined_uuid;
template<typename T>
void test_late_defined_uuid() {
__uuidof(late_defined_uuid);
}
struct __declspec(uuid("000000A0-0000-0000-C000-000000000049")) late_defined_uuid;
class CtorCall {
public:
CtorCall& operator=(const CtorCall& that);
int a;
};
CtorCall& CtorCall::operator=(const CtorCall& that)
{
if (this != &that) {
this->CtorCall::~CtorCall();
this->CtorCall::CtorCall(that); // expected-warning {{explicit constructor calls are a Microsoft extension}}
}
return *this;
}
template <class A>
class C1 {
public:
template <int B>
class Iterator {
};
};
template<class T>
class C2 {
typename C1<T>:: /*template*/ Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
};
template <class T>
void missing_template_keyword(){
typename C1<T>:: /*template*/ Iterator<0> Mypos; // expected-warning {{use 'template' keyword to treat 'Iterator' as a dependent template name}}
}
class AAAA { };
template <class T>
void redundant_typename() {
typename T t;// expected-warning {{expected a qualified name after 'typename'}}
typename AAAA a;// expected-warning {{expected a qualified name after 'typename'}}
t = 3;
}
__interface MicrosoftInterface;
__interface MicrosoftInterface {
virtual void foo1() = 0;
virtual void foo2() = 0;
};
void interface_test() {
MicrosoftInterface* a;
a->foo1();
}
__int64 x7 = __int64(0);
namespace If_exists_test {
class IF_EXISTS {
private:
typedef int Type;
};
int __if_exists_test() {
int b=0;
__if_exists(IF_EXISTS::Type) {
b++;
b++;
}
__if_exists(IF_EXISTS::Type_not) {
this wont compile.
}
__if_not_exists(IF_EXISTS::Type) {
this wont compile.
}
__if_not_exists(IF_EXISTS::Type_not) {
b++;
b++;
}
}
__if_exists(IF_EXISTS::Type) {
int var23;
}
__if_exists(IF_EXISTS::Type_not) {
this wont compile.
}
__if_not_exists(IF_EXISTS::Type) {
this wont compile.
}
__if_not_exists(IF_EXISTS::Type_not) {
int var244;
}
int __if_exists_init_list() {
int array1[] = {
0,
__if_exists(IF_EXISTS::Type) {2, }
3
};
int array2[] = {
0,
__if_exists(IF_EXISTS::Type_not) { this wont compile }
3
};
int array3[] = {
0,
__if_not_exists(IF_EXISTS::Type_not) {2, }
3
};
int array4[] = {
0,
__if_not_exists(IF_EXISTS::Type) { this wont compile }
3
};
}
class IF_EXISTS_CLASS_TEST {
__if_exists(IF_EXISTS::Type) {
// __if_exists, __if_not_exists can nest
__if_not_exists(IF_EXISTS::Type_not) {
int var123;
}
int var23;
}
__if_exists(IF_EXISTS::Type_not) {
this wont compile.
}
__if_not_exists(IF_EXISTS::Type) {
this wont compile.
}
__if_not_exists(IF_EXISTS::Type_not) {
int var244;
}
};
}
int __identifier(generic) = 3;
class inline_definition_pure_spec {
virtual int f() = 0 { return 0; }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
virtual int f2() = 0;
};
int main () {
// Necessary to force instantiation in -fdelayed-template-parsing mode.
test_late_defined_uuid<int>();
redundant_typename<int>();
missing_template_keyword<int>();
}