1 // RUN: %clang_cc1 -std=c++2a %s -DERRORS -verify 2 // RUN: %clang_cc1 -std=c++2a %s -emit-module-interface -o %t.pcm 3 // RUN: %clang_cc1 -std=c++2a %s -fmodule-file=M=%t.pcm -DIMPLEMENTATION -verify -Db=b2 -Dc=c2 4 5 module; 6 7 #ifdef ERRORS 8 export int a; // expected-error {{export declaration can only be used within a module purview}} 9 #endif 10 11 #ifndef IMPLEMENTATION 12 export 13 #else 14 // expected-error@#1 {{export declaration can only be used within a module purview}} 15 // expected-error@#2 {{export declaration can only be used within a module purview}} 16 // expected-note@+2 1+{{add 'export'}} 17 #endif 18 module M; 19 20 export int b; // #1 21 namespace N { 22 export int c; // #2 23 } 24 25 #ifdef ERRORS 26 namespace { // expected-note 2{{anonymous namespace begins here}} 27 export int d1; // expected-error {{export declaration appears within anonymous namespace}} 28 namespace X { 29 export int d2; // expected-error {{export declaration appears within anonymous namespace}} 30 } 31 } 32 33 export export int e; // expected-error {{within another export declaration}} 34 export { export int f; } // expected-error {{within another export declaration}} expected-note {{export block begins here}} 35 36 module :private; // expected-note {{private module fragment begins here}} 37 export int priv; // expected-error {{export declaration cannot be used in a private module fragment}} 38 #endif 39