clang/test/Modules/preprocess-build.cpp

   1 // RUN: %clang_cc1 -std=c++1z -fmodules %s -verify
   2
   3 #pragma clang module build baz
   4   module baz {}
   5 #pragma clang module endbuild // baz
   6
   7 #pragma clang module build foo
   8   module foo { module bar {} }
   9 #pragma clang module contents
  10   #pragma clang module begin foo.bar
  11
  12     // Can import baz here even though it was created in an outer build.
  13     #pragma clang module import baz
  14
  15     #pragma clang module build bar
  16       module bar {}
  17     #pragma clang module contents
  18       #pragma clang module begin bar
  19         extern int n;
  20       #pragma clang module end
  21     #pragma clang module endbuild // bar
  22
  23     #pragma clang module import bar
  24
  25     constexpr int *f() { return &n; }
  26
  27   #pragma clang module end
  28 #pragma clang module endbuild // foo
  29
  30 #pragma clang module import bar
  31 #pragma clang module import foo.bar
  32 static_assert(f() == &n);
  33
  34 #pragma clang module build // expected-error {{expected module name}}
  35 #pragma clang module build unterminated // expected-error {{no matching '#pragma clang module endbuild'}}