| 1 | // RUN: rm -rf %t |
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| 2 | // RUN: not %clang_cc1 -x c++ -Rmodule-build -DMISSING_HEADER -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs/auto-import-unavailable %s 2>&1 | FileCheck %s --check-prefix=MISSING-HEADER |
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| 3 | // RUN: %clang_cc1 -x c++ -Rmodule-build -DNONREQUIRED_MISSING_HEADER -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs/auto-import-unavailable %s 2>&1 | FileCheck %s --check-prefix=NONREQUIRED-MISSING-HEADER |
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| 4 | // RUN: not %clang_cc1 -x c++ -Rmodule-build -DMISSING_REQUIREMENT -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs/auto-import-unavailable %s 2>&1 | FileCheck %s --check-prefix=MISSING-REQUIREMENT |
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| 5 | |
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| 6 | #ifdef MISSING_HEADER |
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| 7 | |
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| 8 | // Even if the header we ask for is not missing, if the top-level module |
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| 9 | // containing it has a missing header, then the whole top-level is |
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| 10 | // unavailable and we issue an error. |
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| 11 | |
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| 12 | // MISSING-HEADER: module.modulemap:2:27: error: header 'missing_header/missing.h' not found |
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| 13 | // MISSING-HEADER-DAG: auto-import-unavailable.cpp:[[@LINE+1]]:10: note: submodule of top-level module 'missing_header' implicitly imported here |
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| 14 | #include "missing_header/not_missing.h" |
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| 15 | |
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| 16 | // We should not attempt to build the module. |
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| 17 | // MISSING-HEADER-NOT: remark: building module |
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| 18 | |
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| 19 | #endif // #ifdef MISSING_HEADER |
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| 20 | |
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| 21 | |
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| 22 | #ifdef NONREQUIRED_MISSING_HEADER |
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| 23 | |
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| 24 | // However, if the missing header is dominated by an unsatisfied |
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| 25 | // `requires`, then that is acceptable. |
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| 26 | // This also tests that an unsatisfied `requires` elsewhere in the |
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| 27 | // top-level module doesn't affect an available module. |
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| 28 | |
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| 29 | // NONREQUIRED-MISSING-HEADER: auto-import-unavailable.cpp:[[@LINE+2]]:10: remark: building module 'nonrequired_missing_header' |
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| 30 | // NONREQUIRED-MISSING-HEADER: auto-import-unavailable.cpp:[[@LINE+1]]:10: remark: finished building module 'nonrequired_missing_header' |
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| 31 | #include "nonrequired_missing_header/not_missing.h" |
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| 32 | |
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| 33 | #endif // #ifdef NONREQUIRED_MISSING_HEADER |
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| 34 | |
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| 35 | |
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| 36 | #ifdef MISSING_REQUIREMENT |
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| 37 | |
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| 38 | // If the header is unavailable due to a missing requirement, an error |
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| 39 | // should be emitted if a user tries to include it. |
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| 40 | |
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| 41 | // MISSING-REQUIREMENT:module.modulemap:16:8: error: module 'missing_requirement' requires feature 'nonexistent_feature' |
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| 42 | // MISSING-REQUIREMENT: auto-import-unavailable.cpp:[[@LINE+1]]:10: note: submodule of top-level module 'missing_requirement' implicitly imported here |
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| 43 | #include "missing_requirement.h" |
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| 44 | |
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| 45 | // MISSING-REQUIREMENT-NOT: remark: building module |
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| 46 | |
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| 47 | #endif // #ifdef MISSING_REQUIREMENT |
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| 48 | |
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