160 lines
7.8 KiB
C++
160 lines
7.8 KiB
C++
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// 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/other.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/other.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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// 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/other.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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// RUN: rm %t/fwd.h %t/file.h %t/file2.h %t/other.h %t/module.modulemap
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// Check that we can preprocess from a .pcm file and that we get the same result as preprocessing from the original sources.
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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 -emit-module -o %t/file.pcm
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// RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -I%S/Inputs/preprocess %t/file.pcm -E -frewrite-includes -o %t/file.rewrite.ii
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// FIXME: This check fails on Windows targets, due to canonicalization of directory separators.
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// FIXME: cmp %t/rewrite.ii %t/file.rewrite.ii
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// FIXME: Instead, just check that the preprocessed output is functionally equivalent to the output when preprocessing from the original sources.
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// RUN: FileCheck %s --input-file %t/file.rewrite.ii --check-prefix=CHECK --check-prefix=REWRITE
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// RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -x c++-module-map-cpp-output %t/file.rewrite.ii -emit-module -o %t/file.rewrite.pcm
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/file.rewrite.pcm %s -I%t -verify -fno-modules-error-recovery -DFILE_REWRITE
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/file.rewrite.pcm %s -I%t -verify -fno-modules-error-recovery -DFILE_REWRITE -DINCLUDE -I%S/Inputs/preprocess
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//
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// Check that we can preprocess this user of the .pcm file.
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// RUN: %clang_cc1 -fmodules -fmodule-file=%t/file.pcm %s -I%t -E -frewrite-imports -DFILE_REWRITE_FULL -o %t/preprocess-module.ii
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// RUN: %clang_cc1 -fmodules %t/preprocess-module.ii -verify -fno-modules-error-recovery -DFILE_REWRITE_FULL
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//
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// Check that language / header search options are ignored when preprocessing from a .pcm file.
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// RUN: %clang_cc1 %t/file.pcm -E -frewrite-includes -o %t/file.rewrite.ii.2
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// RUN: cmp %t/file.rewrite.ii %t/file.rewrite.ii.2
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//
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// RUN: %clang_cc1 -fmodules -fmodule-name=file -fmodule-file=%t/fwd.pcm -I%S/Inputs/preprocess %t/file.pcm -E -o %t/file.no-rewrite.ii
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// RUN: %clang_cc1 %t/file.pcm -E -o %t/file.no-rewrite.ii.2 -Dstruct=error
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// RUN: cmp %t/file.no-rewrite.ii %t/file.no-rewrite.ii.2
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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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//
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// REWRITE: #ifndef FILE_H
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// REWRITE: #define FILE_H
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//
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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: #endif
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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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//
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// REWRITE: #ifndef FILE_H
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// REWRITE: #define FILE_H
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// REWRITE: #if 0
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// REWRITE: #include "fwd.h"
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// REWRITE: #endif
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// REWRITE-NOT: #pragma clang module import fwd
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// REWRITE: #endif
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//
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// NO-REWRITE-NOT: struct __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-re {{{{declaration of '__FILE' must be imported|unknown type name '__FILE'}}}}
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#if FILE_REWRITE
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// expected-note@file.rewrite.ii:* {{here}}
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#elif FILE_REWRITE_FULL
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// No note diagnostic at all in this case: we've built the 'file' module but not loaded it into this compilation yet.
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#elif REWRITE
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// expected-note@rewrite.ii:* {{here}}
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#elif COPY
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// expected-note@copy.ii:* {{here}}
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#else
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// expected-note@no-rewrite.ii:* {{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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