clang/test/Modules/cxx20-module-file-info.cpp

   1 // Test output from -module-file-info about C++20 modules.
   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 -emit-module-interface %t/mod-info-tu1.cpp \
   8 // RUN:  -o %t/A.pcm
   9
  10 // RUN: %clang_cc1 -std=c++20 -module-file-info %t/A.pcm | FileCheck \
  11 // RUN:  --check-prefix=CHECK-A %s
  12
  13 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu2.cpp \
  14 // RUN:  -o %t/B.pcm
  15
  16 // RUN: %clang_cc1 -std=c++20 -module-file-info %t/B.pcm | FileCheck \
  17 // RUN:     --check-prefix=CHECK-B %s
  18
  19 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/mod-info-tu3.cpp \
  20 // RUN:     -fmodule-file=A=%t/A.pcm -fmodule-file=B=%t/B.pcm -o %t/Foo.pcm
  21
  22 // RUN: %clang_cc1 -std=c++20 -module-file-info %t/Foo.pcm -fmodule-file=A=%t/A.pcm \
  23 // RUN:     -fmodule-file=B=%t/B.pcm  | FileCheck \
  24 // RUN:     --check-prefix=CHECK-FOO %s
  25
  26 // expected-no-diagnostics
  27
  28 //--- mod-info-tu1.cpp
  29 export module A;
  30
  31 void a();
  32
  33 // CHECK-A: ====== C++20
  34 // CHECK-A-NEXT: Interface Unit 'A' is the Primary Module at index #1
  35
  36 //--- mod-info-tu2.cpp
  37 export module B;
  38
  39 void b();
  40
  41 // CHECK-B: ====== C++20
  42 // CHECK-B-NEXT: Interface Unit 'B' is the Primary Module at index #1
  43
  44 //--- mod-info-tu3.cpp
  45 module;
  46
  47 export module Foo;
  48
  49 import A;
  50 export import B;
  51
  52 namespace hello {
  53 export void say(const char *);
  54 }
  55
  56 void foo() {}
  57
  58 // CHECK-FOO: ====== C++20
  59 // CHECK-FOO-NEXT:  Interface Unit 'Foo' is the Primary Module at index #3
  60 // CHECK-FOO-NEXT:   Sub Modules:
  61 // CHECK-FOO-NEXT:    Global Module Fragment '<global>' is at index #4
  62 // CHECK-FOO-NEXT:   Imports:
  63 // CHECK-FOO-NEXT:    Interface Unit 'A' is at index #1
  64 // CHECK-FOO-NEXT:   Exports:
  65 // CHECK-FOO-NEXT:    Interface Unit 'B' is at index #2