clang/test/Modules/cxx20-10-5-ex1.cpp

   1 // RUN: rm -rf %t
   2 // RUN: split-file %s %t
   3 // RUN: cd %t
   4
   5 // RUN: %clang_cc1 -std=c++20 -emit-module-interface std-10-5-ex1-interface.cpp \
   6 // RUN: -DBAD_FWD_DECL  -fsyntax-only -verify
   7
   8 // RUN: %clang_cc1 -std=c++20 -emit-module-interface std-10-5-ex1-interface.cpp \
   9 // RUN: -o A.pcm
  10
  11 // RUN: %clang_cc1 -std=c++20 std-10-5-ex1-use.cpp  -fmodule-file=A=A.pcm \
  12 // RUN:    -fsyntax-only -verify
  13
  14 //--- std-10-5-ex1-interface.cpp
  15
  16 export module A;
  17 #ifdef BAD_FWD_DECL
  18 export inline void fn_e(); // expected-error {{inline function not defined before the private module fragment}}
  19                            // expected-note@std-10-5-ex1-interface.cpp:21 {{private module fragment begins here}}
  20 #endif
  21 export inline void ok_fn() {}
  22 export inline void ok_fn2();
  23 #ifdef BAD_FWD_DECL
  24 inline void fn_m(); // expected-error {{inline function not defined before the private module fragment}}
  25                     // expected-note@std-10-5-ex1-interface.cpp:21 {{private module fragment begins here}}
  26 #endif
  27 static void fn_s();
  28 export struct X;
  29 export void g(X *x) {
  30   fn_s();
  31 }
  32 export X *factory();
  33 void ok_fn2() {}
  34
  35 module :private;
  36 struct X {};
  37 X *factory() {
  38   return new X();
  39 }
  40
  41 void fn_e() {}
  42 void fn_m() {}
  43 void fn_s() {}
  44
  45 //--- std-10-5-ex1-use.cpp
  46
  47 import A;
  48
  49 void foo() {
  50   X x; // expected-error 1+{{missing '#include'; 'X' must be defined before it is used}}
  51        // expected-note@std-10-5-ex1-interface.cpp:22 1+{{definition here is not reachable}}
  52   X *p = factory();
  53 }