| // RUN: %clang_cc1 -std=c++2a %s -verify -pedantic-errors |
| |
| export module p3; |
| |
| namespace A { int ns_mem; } |
| |
| // An exported declaration shall declare at least one name. |
| export; // expected-error {{empty declaration cannot be exported}} |
| export static_assert(true); // expected-error {{static_assert declaration cannot be exported}} |
| export using namespace A; // expected-error {{ISO C++20 does not permit using directive to be exported}} |
| |
| export { // expected-note 3{{export block begins here}} |
| ; // expected-error {{ISO C++20 does not permit an empty declaration to appear in an export block}} |
| static_assert(true); // expected-error {{ISO C++20 does not permit a static_assert declaration to appear in an export block}} |
| using namespace A; // expected-error {{ISO C++20 does not permit using directive to be exported}} |
| } |
| |
| export struct {}; // expected-error {{must be class member}} expected-error {{GNU extension}} expected-error {{does not declare anything}} |
| export struct {} struct_; |
| export union {}; // expected-error {{must be declared 'static'}} expected-error {{does not declare anything}} |
| export union {} union_; |
| export enum {}; // expected-error {{does not declare anything}} |
| export enum {} enum_; |
| export enum E : int; |
| export typedef int; // expected-error {{typedef requires a name}} |
| export static union {}; // expected-error {{does not declare anything}} |
| export asm(""); // expected-error {{asm declaration cannot be exported}} |
| export namespace B = A; |
| export using A::ns_mem; |
| namespace A { |
| export using A::ns_mem; |
| } |
| export using Int = int; |
| export extern "C++" {} // expected-error {{ISO C++20 does not permit a declaration that does not introduce any names to be exported}} |
| export extern "C++" { extern "C" {} } // expected-error {{ISO C++20 does not permit a declaration that does not introduce any names to be exported}} |
| export extern "C++" { extern "C" int extern_c; } |
| export { // expected-note {{export block}} |
| extern "C++" int extern_cxx; |
| extern "C++" {} // expected-error {{ISO C++20 does not permit a declaration that does not introduce any names to be exported}} |
| } |
| export [[]]; // FIXME (bad diagnostic text): expected-error {{empty declaration cannot be exported}} |
| export [[example::attr]]; // FIXME: expected-error {{empty declaration cannot be exported}} expected-warning {{unknown attribute 'attr'}} |
| |
| // [...] shall not declare a name with internal linkage |
| export static int a; // expected-error {{declaration of 'a' with internal linkage cannot be exported}} |
| export static int b(); // expected-error {{declaration of 'b' with internal linkage cannot be exported}} |
| export namespace { int c; } // expected-error {{declaration of 'c' with internal linkage cannot be exported}} |
| namespace { // expected-note {{here}} |
| export int d; // expected-error {{export declaration appears within anonymous namespace}} |
| } |
| export template<typename> static int e; // expected-error {{declaration of 'e' with internal linkage cannot be exported}} |
| export template<typename> static int f(); // expected-error {{declaration of 'f' with internal linkage cannot be exported}} |
| export const int k = 5; |
| export static union { int n; }; // expected-error {{declaration of 'n' with internal linkage cannot be exported}} |