File: vfs.swift

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// RUN: %empty-directory(%t)
// RUN: sed -e "s|INPUT_DIR|%/S/Inputs|g" -e "s|OUT_DIR|%/t|g" %S/Inputs/vfs/vfsoverlay.yaml > %t/overlay.yaml
// RUN: sed -e "s|INPUT_DIR|%/S/Inputs|g" -e "s|OUT_DIR|%/t|g" %S/Inputs/vfs/secondary-vfsoverlay.yaml > %t/secondary-overlay.yaml
// RUN: sed -e "s|INPUT_DIR|%/S/Inputs|g" -e "s|OUT_DIR|%/t|g" %S/Inputs/vfs/tertiary-vfsoverlay.yaml > %t/tertiary-overlay.yaml
// RUN: sed -e "s|INPUT_DIR|%/S/Inputs|g" -e "s|OUT_DIR|%/t|g" %S/Inputs/vfs/quaternary-vfsoverlay.yaml > %t/quaternary-vfsoverlay.yaml

// RUN: not %target-swift-frontend -vfsoverlay %/t/overlay.yaml -typecheck %s %/t/mapped-file.swift -serialize-diagnostics-path %/t/basic.dia 2>&1 | %FileCheck -check-prefix=BASIC_MAPPING_ERROR %s
// RUN: c-index-test -read-diagnostics %/t/basic.dia 2>&1 | %FileCheck -check-prefix=BASIC_MAPPING_ERROR %s

// BASIC_MAPPING_ERROR: {{.*}}/mapped-file.swift:2:17: error:

// RUN: not %target-swift-frontend -vfsoverlay %/t/overlay.yaml -vfsoverlay %/t/secondary-overlay.yaml -vfsoverlay %/t/tertiary-overlay.yaml -typecheck %/s %/t/triple-mapped-swift-file.swift -serialize-diagnostics-path %/t/complex.dia 2>&1 | %FileCheck -check-prefix=COMPLEX_MAPPING_ERROR %s
// RUN: c-index-test -read-diagnostics %/t/complex.dia 2>&1 | %FileCheck -check-prefix=COMPLEX_MAPPING_ERROR %s

// COMPLEX_MAPPING_ERROR: {{.*}}/triple-mapped-swift-file.swift:2:17: error:

// The Clang Importer should inherit Swift's VFS
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -I %/t -DTEST_VFS_CLANG_IMPORTER -vfsoverlay %/t//overlay.yaml -typecheck %/s

// Just -Xcc -ivfsoverlay should work fine too
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -I %/t -DTEST_VFS_CLANG_IMPORTER -Xcc -ivfsoverlay -Xcc %/t/overlay.yaml -typecheck %/s

// If we see -ivfsoverlay and -vfsoverlay, we'll clobber Clang's VFS with our own.
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -I %/t -DTEST_VFS_CLANG_IMPORTER -DTEST_VFS_CLANG_IMPORTER_MERGE -vfsoverlay %/t/overlay.yaml -Xcc -ivfsoverlay -Xcc %/t/quaternary-vfsoverlay.yaml -typecheck %/s  2>&1

#if TEST_VFS_CLANG_IMPORTER
import VFSMappedModule
#if TEST_VFS_CLANG_IMPORTER_MERGE
import YetAnotherVFSMappedModule
#endif
#endif