| // RUN: rm -rf %t |
| // RUN: mkdir %t |
| // RUN: split-file %s %t |
| |
| // RUN: %clang_cc1 -std=c++20 %t/M.cppm -verify |
| // RUN: %clang_cc1 -std=c++20 %t/M.cppm -emit-module-interface -o %t/M.pcm |
| // RUN: %clang_cc1 -std=c++20 -fmodule-file=M=%t/M.pcm %t/M.cpp -verify |
| // |
| // RUN: %clang_cc1 -std=c++20 -fmodule-file=M=%t/M.pcm %t/user.cpp -verify |
| |
| //--- M.cppm |
| // expected-no-diagnostics |
| export module M; |
| |
| export int external_linkage_var; |
| int module_linkage_var; |
| static int internal_linkage_var; |
| |
| export void external_linkage_fn() {} |
| void module_linkage_fn() {} |
| static void internal_linkage_fn() {} |
| |
| export struct external_linkage_class {}; |
| struct module_linkage_class {}; |
| namespace { |
| struct internal_linkage_class {}; |
| } // namespace |
| |
| void use() { |
| external_linkage_fn(); |
| module_linkage_fn(); |
| internal_linkage_fn(); |
| (void)external_linkage_class{}; |
| (void)module_linkage_class{}; |
| (void)internal_linkage_class{}; |
| (void)external_linkage_var; |
| (void)module_linkage_var; |
| (void)internal_linkage_var; |
| } |
| |
| //--- M.cpp |
| |
| module M; |
| |
| void use_from_module_impl() { |
| external_linkage_fn(); |
| module_linkage_fn(); |
| internal_linkage_fn(); // expected-error {{no matching function for call to 'internal_linkage_fn'}} |
| (void)external_linkage_class{}; |
| (void)module_linkage_class{}; |
| (void)external_linkage_var; |
| (void)module_linkage_var; |
| |
| // FIXME: Issue #61427 Internal-linkage declarations in the interface TU |
| // should not be not visible here. |
| (void)internal_linkage_class{}; |
| (void)internal_linkage_var; |
| } |
| |
| //--- user.cpp |
| import M; |
| |
| void use_from_module_impl() { |
| external_linkage_fn(); |
| module_linkage_fn(); // expected-error {{declaration of 'module_linkage_fn' must be imported}} |
| internal_linkage_fn(); // expected-error {{declaration of 'internal_linkage_fn' must be imported}} |
| (void)external_linkage_class{}; |
| (void)module_linkage_class{}; // expected-error {{undeclared identifier}} expected-error 0+{{}} |
| (void)internal_linkage_class{}; // expected-error {{undeclared identifier}} expected-error 0+{{}} |
| // expected-note@M.cppm:9 {{declaration here is not visible}} |
| // expected-note@M.cppm:10 {{declaration here is not visible}} |
| (void)external_linkage_var; |
| (void)module_linkage_var; // expected-error {{undeclared identifier}} |
| (void)internal_linkage_var; // expected-error {{undeclared identifier}} |
| } |