80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions -Wno-microsoft -std=c++11
 | |
| 
 | |
| __interface I1 {
 | |
|   // expected-error@+1 {{user-declared constructor is not permitted within an interface type}}
 | |
|   I1();
 | |
|   // expected-error@+1 {{user-declared destructor is not permitted within an interface type}}
 | |
|   ~I1();
 | |
|   virtual void fn1() const;
 | |
|   // expected-error@+1 {{operator 'operator!' is not permitted within an interface type}}
 | |
|   bool operator!();
 | |
|   // expected-error@+1 {{operator 'operator int' is not permitted within an interface type}}
 | |
|   operator int();
 | |
|   // expected-error@+1 {{nested class I1::(anonymous) is not permitted within an interface type}}
 | |
|   struct { int a; };
 | |
|   void fn2() {
 | |
|     struct A { }; // should be ignored: not a nested class
 | |
|   }
 | |
| protected: // expected-error {{interface types cannot specify 'protected' access}}
 | |
|   typedef void void_t;
 | |
|   using int_t = int;
 | |
| private:   // expected-error {{interface types cannot specify 'private' access}}
 | |
|   static_assert(true, "oops");
 | |
| };
 | |
| 
 | |
| __interface I2 {
 | |
|   // expected-error@+1 {{data member 'i' is not permitted within an interface type}}
 | |
|   int i;
 | |
|   // expected-error@+1 {{static member function 'fn1' is not permitted within an interface type}}
 | |
|   static int fn1();
 | |
| private:   // expected-error {{interface types cannot specify 'private' access}}
 | |
|   // expected-error@+1 {{non-public member function 'fn2' is not permitted within an interface type}}
 | |
|   void fn2();
 | |
| protected: // expected-error {{interface types cannot specify 'protected' access}}
 | |
|   // expected-error@+1 {{non-public member function 'fn3' is not permitted within an interface type}}
 | |
|   void fn3();
 | |
| public:
 | |
|   void fn4();
 | |
| };
 | |
| 
 | |
| // expected-error@+1 {{'final' keyword not permitted with interface types}}
 | |
| __interface I3 final {
 | |
| };
 | |
| 
 | |
| __interface I4 : I1, I2 {
 | |
|   void fn1() const override;
 | |
|   // expected-error@+1 {{'final' keyword not permitted with interface types}}
 | |
|   void fn2() final;
 | |
| };
 | |
| 
 | |
| // expected-error@+1 {{interface type cannot inherit from non-public 'interface I1'}}
 | |
| __interface I5 : private I1 {
 | |
| };
 | |
| 
 | |
| template <typename X>
 | |
| __interface I6 : X {
 | |
| };
 | |
| 
 | |
| struct S { };
 | |
| class C { };
 | |
| __interface I { };
 | |
| union U;
 | |
| 
 | |
| static_assert(!__is_interface_class(S), "oops");
 | |
| static_assert(!__is_interface_class(C), "oops");
 | |
| static_assert(!__is_interface_class(I), "oops");
 | |
| static_assert(!__is_interface_class(U), "oops");
 | |
| 
 | |
| // expected-error@55 {{interface type cannot inherit from 'struct S'}}
 | |
| // expected-note@+1 {{in instantiation of template class 'I6<S>' requested here}}
 | |
| struct S1 : I6<S> {
 | |
| };
 | |
| 
 | |
| // expected-error@55 {{interface type cannot inherit from 'class C'}}
 | |
| // expected-note@+1 {{in instantiation of template class 'I6<C>' requested here}}
 | |
| class C1 : I6<C> {
 | |
| };
 | |
| 
 | |
| class C2 : I6<I> {
 | |
| };
 |