clang/test/Preprocessor/pragma_module.c

   1 // RUN: rm -rf %t
   2 // RUN: mkdir %t
   3 // RUN: echo 'module foo { module a {} module b {} } module bar {} module if {}' > %t/module.map
   4 // RUN: %clang_cc1 -fmodules -fmodule-name=if -x c %t/module.map -emit-module -o %t/if.pcm
   5 // RUN: %clang_cc1 -E -fmodules %s -fmodule-file=%t/if.pcm -verify -fmodule-name=foo -fmodule-map-file=%t/module.map
   6 // RUN: %clang_cc1 -E -fmodules %s -fmodule-file=%t/if.pcm -verify -fmodule-name=foo -fmodule-map-file=%t/module.map -fmodules-local-submodule-visibility -DLOCAL_VIS
   7
   8 // Just checking the syntax here; the semantics are tested elsewhere.
   9 #pragma clang module import // expected-error {{expected module name}}
  10 #pragma clang module import ! // expected-error {{expected module name}}
  11 #pragma clang module import if // ok
  12 #pragma clang module import foo ? bar // expected-warning {{extra tokens at end of #pragma}}
  13 #pragma clang module import foo. // expected-error {{expected identifier after '.' in module name}}
  14 #pragma clang module import foo.bar.baz.quux // expected-error {{no submodule named 'bar' in module 'foo'}}
  15
  16 #pragma clang module begin ! // expected-error {{expected module name}}
  17
  18 #pragma clang module begin foo.a blah // expected-warning {{extra tokens}}
  19  #pragma clang module begin foo.a // nesting is OK
  20   #define X 1 // expected-note 0-1{{previous}}
  21   #ifndef X
  22   #error X should be defined here
  23   #endif
  24  #pragma clang module end
  25
  26  #ifndef X
  27  #error X should still be defined
  28  #endif
  29 #pragma clang module end foo.a // expected-warning {{extra tokens}}
  30
  31 // #pragma clang module begin/end also import the module into the enclosing context
  32 #ifndef X
  33 #error X should still be defined
  34 #endif
  35
  36 #pragma clang module begin foo.b
  37  #if defined(X) && defined(LOCAL_VIS)
  38  #error under -fmodules-local-submodule-visibility, X should not be defined
  39  #endif
  40
  41  #if !defined(X) && !defined(LOCAL_VIS)
  42  #error without -fmodules-local-submodule-visibility, X should still be defined
  43  #endif
  44
  45  #pragma clang module import foo.a
  46  #ifndef X
  47  #error X should be defined here
  48  #endif
  49 #pragma clang module end
  50
  51 #pragma clang module end // expected-error {{no matching '#pragma clang module begin'}}
  52 #pragma clang module begin foo.a // expected-error {{no matching '#pragma clang module end'}}