clang/test/Modules/suggest-include.cpp

   1 // RUN: rm -rf %t
   2 // RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fimplicit-module-maps -I%S/Inputs/suggest-include %s -verify
   3
   4 #include "empty.h" // import the module file
   5
   6 // expected-note@usetextual1.h:2 {{here}}
   7 // expected-note@textual2.h:1 {{here}}
   8 // expected-note@textual3.h:1 {{here}}
   9 // expected-note@textual4.h:1 {{here}}
  10 // expected-note@textual5.h:1 {{here}}
  11 // expected-note@private1.h:1 {{here}}
  12 // expected-note@private2.h:1 {{here}}
  13 // expected-note@private3.h:1 {{here}}
  14
  15 void f() {
  16   (void)::usetextual1; // expected-error {{missing '#include "usetextual1.h"'}}
  17   (void)::usetextual2; // expected-error {{missing '#include "usetextual2.h"'}}
  18   (void)::textual3; // expected-error-re {{{{^}}missing '#include "usetextual3.h"'}}
  19   // If the declaration is in an include-guarded header, make sure we suggest
  20   // including that rather than importing a module. In this case, there could
  21   // be more than one module, and the module name we picked is almost certainly
  22   // wrong.
  23   (void)::textual4; // expected-error {{missing '#include "usetextual4.h"'; 'textual4' must be declared before it is used}}
  24   (void)::textual5; // expected-error {{missing '#include "usetextual5.h"'; 'textual5' must be declared before it is used}}
  25
  26   // Don't suggest #including a private header.
  27   // FIXME: We could suggest including "useprivate1.h" here, as it's the only
  28   // public way to get at this declaration.
  29   (void)::private1; // expected-error-re {{{{^}}declaration of 'private1'}}
  30   // FIXME: Should we be suggesting an import at all here? Should declarations
  31   // in private headers be visible when the surrounding module is imported?
  32   (void)::private2; // expected-error-re {{{{^}}declaration of 'private2'}}
  33   // Even if we suggest an include for private1, we should not do so here.
  34   (void)::private3; // expected-error-re {{{{^}}declaration of 'private3'}}
  35 }