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'}}
53