1 // Tests that the definition in private module fragment is not reachable to its users. 2 // 3 // RUN: rm -rf %t 4 // RUN: mkdir -p %t 5 // RUN: split-file %s %t 6 // 7 // RUN: %clang_cc1 -std=c++20 %t/Private.cppm -emit-module-interface \ 8 // RUN: -o %t/Private.pcm 9 // RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp \ 10 // RUN: -DTEST_BADINLINE -verify -fsyntax-only 11 12 // Test again with reduced BMI. 13 // RUN: rm -rf %t 14 // RUN: mkdir -p %t 15 // RUN: split-file %s %t 16 // 17 // RUN: %clang_cc1 -std=c++20 %t/Private.cppm -emit-reduced-module-interface \ 18 // RUN: -o %t/Private.pcm 19 // RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp \ 20 // RUN: -DTEST_BADINLINE -verify -fsyntax-only 21 22 //--- Private.cppm 23 export module Private; 24 #ifdef TEST_BADINLINE 25 inline void fn_m(); // expected-error {{un-exported inline function not defined before the private module fragment}} 26 // expected-note@Private.cppm:13 {{private module fragment begins here}} 27 #endif 28 static void fn_s(); 29 export struct X; 30 g(X * x)31export void g(X *x) { 32 fn_s(); // OK, call to static function in same translation unit 33 #ifdef TEST_BADINLINE 34 fn_m(); // fn_m is not OK. 35 #endif 36 } 37 export X *factory(); // OK 38 39 module :private; 40 struct X {}; // definition not reachable from importers of A factory()41X *factory() { 42 return new X(); 43 } fn_m()44void fn_m() {} fn_s()45void fn_s() {} 46 47 //--- Use.cpp 48 import Private; foo()49void foo() { 50 X x; // expected-error 1+{{missing '#include'; 'X' must be defined before it is used}} 51 // expected-note@Private.cppm:18 1+{{definition here is not reachable}} 52 auto _ = factory(); 53 auto *__ = factory(); 54 X *___ = factory(); 55 56 g(__); 57 g(___); 58 g(factory()); 59 } 60