| // RUN: %clang_cc1 -std=c++20 %s -verify -o /dev/null |
| // RUN: %clang_cc1 -std=c++20 %s -DINTERFACE -verify -emit-module-interface -o %t |
| // RUN: %clang_cc1 -std=c++20 %s -DIMPLEMENTATION -verify -fmodule-file=A=%t -o /dev/null |
| // |
| // RUN: %clang_cc1 -std=c++20 %s -DBUILT_AS_INTERFACE -emit-module-interface -verify -o /dev/null |
| // RUN: %clang_cc1 -std=c++20 %s -DINTERFACE -DBUILT_AS_INTERFACE -emit-module-interface -verify -o /dev/null |
| // RUN: %clang_cc1 -std=c++20 %s -DIMPLEMENTATION -DBUILT_AS_INTERFACE -emit-module-interface -verify -o /dev/null |
| |
| #if INTERFACE |
| // expected-no-diagnostics |
| export module A; |
| #elif IMPLEMENTATION |
| module A; // #module-decl |
| #ifdef BUILT_AS_INTERFACE |
| // expected-error@-2 {{missing 'export' specifier in module declaration while building module interface}} |
| #define INTERFACE |
| #endif |
| #endif |
| |
| #ifndef INTERFACE |
| export int b; // expected-error {{export declaration can only be used within a module purview}} |
| #ifdef IMPLEMENTATION |
| // expected-note@#module-decl {{add 'export' here}} |
| #endif |
| #else |
| export int a; |
| #endif |
