clang/test/CXX/basic/basic.scope/basic.scope.namespace/p2.cpp

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3 // RUN: echo '#ifndef FOO_H' > %t/foo.h
   4 // RUN: echo '#define FOO_H' >> %t/foo.h
   5 // RUN: echo 'extern int in_header;' >> %t/foo.h
   6 // RUN: echo '#endif' >> %t/foo.h
   7 // RUN: %clang_cc1 -std=c++2a -I%t -emit-module-interface -DINTERFACE %s -o %t.pcm
   8 // RUN: %clang_cc1 -std=c++2a -I%t -fmodule-file=A=%t.pcm -DIMPLEMENTATION %s -verify -fno-modules-error-recovery
   9 // RUN: %clang_cc1 -std=c++2a -I%t -fmodule-file=A=%t.pcm %s -verify -fno-modules-error-recovery
  10
  11 #ifdef INTERFACE
  12 module;
  13 #include "foo.h"
  14 // FIXME: The following need to be moved to a header file. The global module
  15 // fragment is only permitted to contain preprocessor directives.
  16 int global_module_fragment;
  17 export module A;
  18 export int exported;
  19 int not_exported;
  20 static int internal;
  21
  22 module :private;
  23 int not_exported_private;
  24 static int internal_private;
  25 #else
  26
  27 #ifdef IMPLEMENTATION
  28 module;
  29 #endif
  30
  31 void test_early() {
  32   in_header = 1; // expected-error {{use of undeclared identifier 'in_header'}}
  33   // expected-note@* {{not visible}}
  34
  35   global_module_fragment = 1; // expected-error {{use of undeclared identifier 'global_module_fragment'}}
  36
  37   exported = 1; // expected-error {{use of undeclared identifier 'exported'}}
  38
  39   not_exported = 1; // expected-error {{use of undeclared identifier 'not_exported'}}
  40
  41   // FIXME: We need better diagnostic message for static variable.
  42   internal = 1; // expected-error {{use of undeclared identifier 'internal'}}
  43
  44   not_exported_private = 1; // expected-error {{undeclared identifier}}
  45
  46   internal_private = 1; // expected-error {{undeclared identifier}}
  47 }
  48
  49 #ifdef IMPLEMENTATION
  50 module A;
  51 #else
  52 import A;
  53 #endif
  54
  55 void test_late() {
  56   in_header = 1; // expected-error {{missing '#include "foo.h"'; 'in_header' must be declared before it is used}}
  57   // expected-note@* {{not visible}}
  58
  59   global_module_fragment = 1; // expected-error {{missing '#include'; 'global_module_fragment' must be declared before it is used}}
  60
  61   exported = 1;
  62
  63   not_exported = 1;
  64 #ifndef IMPLEMENTATION
  65   // expected-error@-2 {{use of undeclared identifier 'not_exported'; did you mean 'exported'?}}
  66   // expected-note@p2.cpp:18 {{'exported' declared here}}
  67 #endif
  68
  69   internal = 1; // expected-error {{use of undeclared identifier 'internal'}}
  70
  71   not_exported_private = 1;
  72 #ifndef IMPLEMENTATION
  73   // FIXME: should not be visible here
  74   // expected-error@-3 {{undeclared identifier}}
  75 #endif
  76
  77   internal_private = 1; // expected-error {{use of undeclared identifier 'internal_private'}}
  78 }
  79
  80 #endif