forked from OSchip/llvm-project
124 lines
5.3 KiB
C++
124 lines
5.3 KiB
C++
// RUN: rm -rf %t
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// RUN: mkdir %t
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// 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
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// MISSING-FWD: module 'fwd' is needed
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// 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
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// Check that we can preprocess modules, and get the expected output.
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// 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
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// 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
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//
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// RUN: FileCheck %s --input-file %t/no-rewrite.ii --check-prefix=CHECK --check-prefix=NO-REWRITE
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// RUN: FileCheck %s --input-file %t/rewrite.ii --check-prefix=CHECK --check-prefix=REWRITE
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// Check that we can build a module from the preprocessed output.
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// 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
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// 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
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// Check that we can load the original module map in the same compilation (this
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// could happen if we had a redundant -fmodule-map-file= in the original
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// build).
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// 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
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// Check the module we built works.
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/no-rewrite.pcm %s -I%t -verify -fno-modules-error-recovery
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/rewrite.pcm %s -I%t -verify -fno-modules-error-recovery -DREWRITE
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/no-rewrite.pcm %s -I%t -verify -fno-modules-error-recovery -DINCLUDE -I%S/Inputs/preprocess
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/rewrite.pcm %s -I%t -verify -fno-modules-error-recovery -DREWRITE -DINCLUDE -I%S/Inputs/preprocess
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// Now try building the module when the header files are missing.
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// RUN: cp %S/Inputs/preprocess/fwd.h %S/Inputs/preprocess/file.h %S/Inputs/preprocess/file2.h %S/Inputs/preprocess/module.modulemap %t
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// RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -I%t -x c++-module-map %t/module.modulemap -E -frewrite-includes -o %t/copy.ii
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// RUN: rm %t/fwd.h %t/file.h %t/file2.h %t/module.modulemap
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// RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -x c++-module-map-cpp-output %t/copy.ii -emit-module -o %t/copy.pcm
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// Finally, check that our module contains correct mapping information for the headers.
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// RUN: cp %S/Inputs/preprocess/fwd.h %S/Inputs/preprocess/file.h %S/Inputs/preprocess/file2.h %S/Inputs/preprocess/module.modulemap %t
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/copy.pcm %s -I%t -verify -fno-modules-error-recovery -DCOPY -DINCLUDE
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// == module map
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// CHECK: # 1 "{{.*}}module.modulemap"
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// CHECK: module file {
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// CHECK: header "file.h" { size
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// CHECK: header "file2.h" { size
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// CHECK: }
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// == file.h
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// CHECK: # 1 "<module-includes>"
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// REWRITE: #if 0
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// REWRITE: #include "file.h"
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// REWRITE: #endif
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//
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// FIXME: It would be preferable to consistently put the module begin/end in
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// the same file, but the relative ordering of PP callbacks and module
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// begin/end tokens makes that difficult.
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//
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// REWRITE: #pragma clang module begin file
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// CHECK: # 1 "{{.*}}file.h" 1
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// NO-REWRITE: #pragma clang module begin file
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// NO-REWRITE: # 1 "{{.*}}file.h"{{$}}
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//
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// CHECK: struct __FILE;
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// CHECK: #pragma clang module import fwd /* clang {{-E|-frewrite-includes}}: implicit import
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// CHECK: typedef struct __FILE FILE;
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//
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// REWRITE: #pragma clang module end
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// CHECK: # 2 "<module-includes>" 2
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// NO-REWRITE: #pragma clang module end
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// == file2.h
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// REWRITE: #if 0
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// REWRITE: #include "file2.h"
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// REWRITE: #endif
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//
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// REWRITE: #pragma clang module begin file
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// CHECK: # 1 "{{.*}}file2.h" 1
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// NO-REWRITE: #pragma clang module begin file
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//
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// ==== recursively re-enter file.h
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// REWRITE: #if 0
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// REWRITE: #include "file.h"
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// REWRITE: #endif
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//
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// REWRITE: #pragma clang module begin file
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// CHECK: # 1 "{{.*}}file.h" 1
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// NO-REWRITE: #pragma clang module begin file
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// NO-REWRITE: # 1 "{{.*}}file.h"{{$}}
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//
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// CHECK: struct __FILE;
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// CHECK: #pragma clang module import fwd /* clang {{-E|-frewrite-includes}}: implicit import
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// CHECK: typedef struct __FILE FILE;
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//
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// REWRITE: #pragma clang module end
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// CHECK: # 2 "{{.*}}file2.h" 2
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// NO-REWRITE: #pragma clang module end
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// NO-REWRITE: # 2 "{{.*}}file2.h"{{$}}
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// ==== return to file2.h
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//
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// CHECK: extern int file2;
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//
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// REWRITE: #pragma clang module end
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// CHECK: # 3 "<module-includes>" 2
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// NO-REWRITE: #pragma clang module end
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__FILE *a; // expected-error {{declaration of '__FILE' must be imported}}
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#ifdef REWRITE
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// expected-note@rewrite.ii:1 {{here}}
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#elif COPY
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// expected-note@copy.ii:1 {{here}}
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#else
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// expected-note@no-rewrite.ii:1 {{here}}
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#endif
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#ifdef INCLUDE
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#include "file.h"
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#else
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#pragma clang module import file
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#endif
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FILE *b;
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int x = file2; // ok, found in file2.h, even under -DINCLUDE
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