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// The driver never checks to implicitly enable the explicit module build
// support unless at least two input files are provided.
// To trigger the C++20 module usage check, we always pass a second dummy file
// as input.
// TODO: Remove -fmodules everywhere once implicitly enabled explicit module
// builds are supported.
// RUN: split-file %s %t
//--- empty.cpp
// Nothing here
//--- only-global.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/only-global.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK1
// CHECK1: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
module;
//--- only-import.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/only-import.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK2
// CHECK2: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
import A;
//--- only-export.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/only-export.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK3
// CHECK3: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
export module A;
//--- leading-line-comment.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-line-comment.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK4
// CHECK4: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
// My line comment
import A;
//--- leading-block-comment1.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-block-comment1.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK5
// CHECK5: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
/*My block comment */
import A;
//--- leading-block-comment2.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-block-comment2.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK6
// CHECK6: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
/*My line comment */ import A;
//--- inline-block-comment1.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-block-comment1.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK7
// CHECK7: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
export/*a comment*/module/*another comment*/A;
//--- inline-block-comment2.cpp
// RUN: %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-block-comment2.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK8
// CHECK8: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
module/*a comment*/;
//--- leading-directives.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-directives.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK9
// CHECK9: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
#define A
#undef A
#if A
#ifdef A
#elifdef A
#elifndef A
#endif
#ifndef A
#elif A
#else
#endif
#endif
#pragma once;
#include <iostream>
import m;
//--- multiline-directive.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/multiline-directive.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK10
// CHECK10: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
#define MACRO(a, \
b) \
call((a), \
(b)
import a;
//--- leading-line-splice.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-line-splice.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK11
// CHECK11: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
\
module;
//--- leading-line-splice-trailing-whitespace.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/leading-line-splice-trailing-whitespace.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK12
// CHECK12: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
// v This backslash has trailing whitespace.
\
export module A;
//--- comment-line-splice.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/comment-line-splice.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK13
// CHECK13-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
// My comment continues next-line!\
import A;
//--- comment-line-splice-trailing-whitespace.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/comment-line-splice-trailing-whitespace.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK14
// CHECK14-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
// My comment continues next-line! This backslash has trailing whitespace. -> \
module;
//--- line-splice-in-directive1.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/line-splice-in-directive1.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK15
// CHECK15: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
module\
;
//--- line-splice-in-directive2.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/line-splice-in-directive2.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK16
// CHECK16: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
export\
module\
A;
//--- no-module-usage1.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/no-module-usage1.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK17
// CHECK17-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
auto main() -> int {}
//--- no-module-usage2.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/no-module-usage2.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK18
// CHECK18-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
moduleStruct{};
//--- no-module-usage3.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/no-module-usage3.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK19
// CHECK19-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
export_struct{};
//--- no-module-usage-namespace-import.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/no-module-usage-namespace-import.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK20
// CHECK20-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
import::inner xi = {};
//--- no-module-usage-namespace-module.cpp
// RUN: %clang -std=c++23 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: %t/no-module-usage-namespace-module.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --allow-empty --check-prefix=CHECK21
// CHECK21-NOT: remark: found C++20 module usage in file '{{.*}}' [-Rmodules-driver]
module::inner yi = {};
// RUN: not %clang -std=c++20 -ccc-print-phases -fmodules-driver -Rmodules-driver \
// RUN: imaginary-file.cpp %t/empty.cpp 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NON-EXISTING-FILE-ERR
// CHECK-NON-EXISTING-FILE-ERR: clang: error: no such file or directory: 'imaginary-file.cpp'
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