// RUN: rm -rf %t // RUN: mkdir %t // RUN: not %clang_cc1 -fmodules -fmodule-name=file -I%S/Inputs/preprocess -x c++-module-map %S/Inputs/preprocess/module.modulemap -E 2>&1 | FileCheck %s --check-prefix=MISSING-FWD // MISSING-FWD: module 'fwd' is needed // RUN: %clang_cc1 -fmodules -fmodule-name=fwd -I%S/Inputs/preprocess -x c++-module-map %S/Inputs/preprocess/module.modulemap -emit-module -o %t/fwd.pcm // Check that we can preprocess modules, and get the expected output. // RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -I%S/Inputs/preprocess -x c++-module-map %S/Inputs/preprocess/module.modulemap -E -o %t/no-rewrite.ii // RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -I%S/Inputs/preprocess -x c++-module-map %S/Inputs/preprocess/module.modulemap -E -frewrite-includes -o %t/rewrite.ii // // RUN: FileCheck %s --input-file %t/no-rewrite.ii --check-prefix=CHECK --check-prefix=NO-REWRITE // RUN: FileCheck %s --input-file %t/rewrite.ii --check-prefix=CHECK --check-prefix=REWRITE // Check that we can build a module from the preprocessed output. // FIXME: For now, we need the headers to exist. // RUN: touch %t/file.h %t/file2.h // RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -x c++-module-map-cpp-output %t/no-rewrite.ii -emit-module -o %t/no-rewrite.pcm // RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -x c++-module-map-cpp-output %t/rewrite.ii -emit-module -o %t/rewrite.pcm // Check that we can load the original module map in the same compilation (this // could happen if we had a redundant -fmodule-map-file= in the original // build). // RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -fmodule-map-file=%S/Inputs/preprocess/module.modulemap -x c++-module-map-cpp-output %t/rewrite.ii -emit-module -o /dev/null // Check the module we built works. // RUN: %clang_cc1 -fmodules -fmodule-file=%t/no-rewrite.pcm %s -I%t -verify -fno-modules-error-recovery // RUN: %clang_cc1 -fmodules -fmodule-file=%t/rewrite.pcm %s -I%t -verify -fno-modules-error-recovery -DREWRITE // == module map // CHECK: # 1 "{{.*}}module.modulemap" // CHECK: module file { // CHECK: header "file.h" // CHECK: header "file2.h" // CHECK: } // == file.h // CHECK: # 1 "" // REWRITE: #if 0 // REWRITE: #include "file.h" // REWRITE: #endif // // FIXME: It would be preferable to consistently put the module begin/end in // the same file, but the relative ordering of PP callbacks and module // begin/end tokens makes that difficult. // // REWRITE: #pragma clang module begin file // CHECK: # 1 "{{.*}}file.h" 1 // NO-REWRITE: #pragma clang module begin file // NO-REWRITE: # 1 "{{.*}}file.h"{{$}} // // CHECK: struct __FILE; // CHECK: #pragma clang module import fwd /* clang {{-E|-frewrite-includes}}: implicit import // CHECK: typedef struct __FILE FILE; // // REWRITE: #pragma clang module end // CHECK: # 2 "" 2 // NO-REWRITE: #pragma clang module end // == file2.h // REWRITE: #if 0 // REWRITE: #include "file2.h" // REWRITE: #endif // // REWRITE: #pragma clang module begin file // CHECK: # 1 "{{.*}}file2.h" 1 // NO-REWRITE: #pragma clang module begin file // // ==== recursively re-enter file.h // REWRITE: #if 0 // REWRITE: #include "file.h" // REWRITE: #endif // // REWRITE: #pragma clang module begin file // CHECK: # 1 "{{.*}}file.h" 1 // NO-REWRITE: #pragma clang module begin file // NO-REWRITE: # 1 "{{.*}}file.h"{{$}} // // CHECK: struct __FILE; // CHECK: #pragma clang module import fwd /* clang {{-E|-frewrite-includes}}: implicit import // CHECK: typedef struct __FILE FILE; // // REWRITE: #pragma clang module end // CHECK: # 2 "{{.*}}file2.h" 2 // NO-REWRITE: #pragma clang module end // NO-REWRITE: # 2 "{{.*}}file2.h"{{$}} // ==== return to file2.h // // CHECK: extern int file2; // // REWRITE: #pragma clang module end // CHECK: # 3 "" 2 // NO-REWRITE: #pragma clang module end __FILE *a; // expected-error {{declaration of '__FILE' must be imported}} #ifdef REWRITE // expected-note@rewrite.ii:1 {{here}} #else // expected-note@no-rewrite.ii:1 {{here}} #endif #pragma clang module import file FILE *b; int x = file2;