clang/test/CXX/module/module.interface/p1.cpp

   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