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 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 // Test again with reduced BMI.
  15 // RUN: rm A.pcm
  16 // RUN: %clang_cc1 -std=c++20 std-10-5-ex1-interface.cpp \
  17 // RUN: -DBAD_FWD_DECL  -fsyntax-only -verify
  18
  19 // RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface std-10-5-ex1-interface.cpp \
  20 // RUN: -o A.pcm
  21
  22 // RUN: %clang_cc1 -std=c++20 std-10-5-ex1-use.cpp -fmodule-file=A=A.pcm \
  23 // RUN:    -fsyntax-only -verify
  24
  25
  26 //--- std-10-5-ex1-interface.cpp
  27
  28 export module A;
  29 #ifdef BAD_FWD_DECL
  30 export inline void fn_e(); // expected-error {{inline function not defined before the private module fragment}}
  31                            // expected-note@std-10-5-ex1-interface.cpp:21 {{private module fragment begins here}}
  32 #endif
  33 export inline void ok_fn() {}
  34 export inline void ok_fn2();
  35 #ifdef BAD_FWD_DECL
  36 inline void fn_m(); // expected-error {{inline function not defined before the private module fragment}}
  37                     // expected-note@std-10-5-ex1-interface.cpp:21 {{private module fragment begins here}}
  38 #endif
  39 static void fn_s();
  40 export struct X;
  41 export void g(X *x) {
  42   fn_s();
  43 }
  44 export X *factory();
  45 void ok_fn2() {}
  46
  47 module :private;
  48 struct X {};
  49 X *factory() {
  50   return new X();
  51 }
  52
  53 void fn_e() {}
  54 void fn_m() {}
  55 void fn_s() {}
  56
  57 //--- std-10-5-ex1-use.cpp
  58
  59 import A;
  60
  61 void foo() {
  62   X x; // expected-error 1+{{missing '#include'; 'X' must be defined before it is used}}
  63        // expected-note@std-10-5-ex1-interface.cpp:22 1+{{definition here is not reachable}}
  64   X *p = factory();
  65 }