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88b719d7fc
Adjust the rule for how bridging header chaining is performed to increase compatibilities with existing project configuration. Previously in #84442, bridging header chaining was done via content concatenation, rather than `#include` via absolute path, to enable prefix mapping to drop references to absolute path. This triggers an incompatibility since the directory of the header file is also considered as part of the search path when resolve the include directives in the file. Simple concatenation will result in some `#include` can no longer be resolved. Now relax the rule to do header content concatenation only when prefix map is used. This will keep the breakage minimal, and the breakage can always be fixed by additional include paths when turning on prefix mapping. In the future, we should move towards internal bridging header implementation to avoid the need of chaining completely. rdar://161854282
272 lines
13 KiB
Swift
272 lines
13 KiB
Swift
// REQUIRES: objc_interop
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// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: %target-swift-frontend -scan-dependencies -module-name Test -module-cache-path %t/clang-module-cache -O -module-load-mode prefer-serialized \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -scanner-module-validation \
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// RUN: %t/test.swift -o %t/deps.json -auto-bridging-header-chaining -scanner-output-dir %t -scanner-debug-write-output \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap -import-objc-header %t/Bridging.h
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// RUN: %{python} %S/../CAS/Inputs/SwiftDepsExtractor.py %t/deps.json Test bridgingHeader | %FileCheck %s
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// CHECK: "moduleDependencies": [
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// CHECK-NEXT: "A"
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// CHECK-NEXT: ],
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/// Try build then import from a non-caching compilation.
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps.json clang:SwiftShims > %t/shim.cmd
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// RUN: %swift_frontend_plain @%t/shim.cmd
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps.json clang:B > %t/B.cmd
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// RUN: %swift_frontend_plain @%t/B.cmd
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps.json clang:A > %t/A.cmd
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// RUN: %swift_frontend_plain @%t/A.cmd
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// RUN: %{python} %S/../CAS/Inputs/GenerateExplicitModuleMap.py %t/deps.json > %t/map.json
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps.json bridgingHeader > %t/header.cmd
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// RUN: %target-swift-frontend @%t/header.cmd %t/Bridging.h -disable-implicit-swift-modules -O -o %t/bridging.pch
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps.json Test > %t/MyApp.cmd
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// RUN: echo "\"-disable-implicit-string-processing-module-import\"" >> %t/MyApp.cmd
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// RUN: echo "\"-disable-implicit-concurrency-module-import\"" >> %t/MyApp.cmd
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// RUN: echo "\"-disable-implicit-swift-modules\"" >> %t/MyApp.cmd
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// RUN: echo "\"-import-objc-header\"" >> %t/MyApp.cmd
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// RUN: echo "\"%t/Bridging.h\"" >> %t/MyApp.cmd
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// RUN: echo "\"-import-pch\"" >> %t/MyApp.cmd
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// RUN: echo "\"%t/bridging.pch\"" >> %t/MyApp.cmd
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// RUN: echo "\"-explicit-swift-module-map-file\"" >> %t/MyApp.cmd
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// RUN: echo "\"%t/map.json\"" >> %t/MyApp.cmd
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// RUN: %target-swift-frontend -module-name Test -O @%t/MyApp.cmd %t/test.swift \
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// RUN: -emit-module -o %t/Test.swiftmodule
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/// Importing binary module with bridging header from a module that also has bridging header using implicit build method.
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/// This should succeed even it is also importing a bridging header that shares same header dependencies (with proper header guard).
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// RUN: %target-swift-frontend -typecheck -module-name User \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap \
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// RUN: -I %t %t/user2.swift -import-objc-header %t/Bridging2.h
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/// Importing binary module with bridging header from a module that has no bridging header.
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// RUN: %target-swift-frontend -scan-dependencies -module-name User -module-cache-path %t/clang-module-cache -O -module-load-mode prefer-serialized \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -scanner-module-validation \
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// RUN: %t/user.swift -o %t/deps2.json -auto-bridging-header-chaining -scanner-output-dir %t -scanner-debug-write-output \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap -I %t -enable-library-evolution
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// RUN: %swift-scan-test -action get_chained_bridging_header -- %target-swift-frontend -emit-module \
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// RUN: -module-name User -module-cache-path %t/clang-module-cache -O \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import \
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// RUN: %t/user.swift -auto-bridging-header-chaining -o %t/User.swiftmodule \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap -I %t > %t/header1.h
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// RUN: %FileCheck %s --check-prefix=HEADER1 --input-file=%t/header1.h
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// HEADER1: #include
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// HEADER1-SAME: Bridging.h
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps2.json bridgingHeader > %t/header1.cmd
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// RUN: %target-swift-frontend @%t/header1.cmd -disable-implicit-swift-modules -O -o %t/bridging1.pch
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// RUN: %{python} %S/../CAS/Inputs/GenerateExplicitModuleMap.py %t/deps2.json > %t/map2.json
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps2.json User > %t/User.cmd
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// RUN: %target-swift-frontend -module-name User -O \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -disable-implicit-swift-modules \
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// RUN: -import-pch %t/bridging1.pch \
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// RUN: -explicit-swift-module-map-file %t/map2.json @%t/User.cmd %t/user.swift \
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// RUN: -emit-module -o %t/User.swiftmodule -emit-module-interface-path %t/User.swiftinterface -enable-library-evolution
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/// Make sure the emitted content is compatible with original. The embedded header path needs to be original header and no bridging header module leaking into interface.
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// RUN: llvm-bcanalyzer -dump %t/User.swiftmodule | %FileCheck %s --check-prefix CHECK-NO-HEADER
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// CHECK-NO-HEADER-NOT: <IMPORTED_HEADER
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// RUN: %FileCheck %s --check-prefix NO-OBJC-LEAKING --input-file=%t/User.swiftinterface
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// NO-OBJC-LEAKING-NOT: import __ObjC
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/// Importing binary module with bridging header from a module with bridging header using explicit build method with header chaining.
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// RUN: %target-swift-frontend -scan-dependencies -module-name User -O -module-load-mode prefer-serialized \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -scanner-module-validation \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap \
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// RUN: -I %t %t/user2.swift -import-objc-header %t/Bridging2.h -auto-bridging-header-chaining -scanner-output-dir %t -scanner-debug-write-output \
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// RUN: -o %t/deps3.json
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// RUN: %swift-scan-test -action get_chained_bridging_header -- %target-swift-frontend -emit-module \
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// RUN: -module-name User -module-cache-path %t/clang-module-cache -O \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import \
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// RUN: %t/user.swift -auto-bridging-header-chaining -o %t/User.swiftmodule -import-objc-header %t/Bridging2.h \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap -I %t > %t/header2.h
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// RUN: %FileCheck %s --check-prefix=HEADER2 --input-file=%t/header2.h
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// HEADER2: #include
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// HEADER2-SAME: Bridging.h
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// HEADER2: #include
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// HEADER2-SAME: Bridging2.h
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// RUN: %FileCheck %s --check-prefix DEPS_JSON --input-file=%t/deps3.json
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// DEPS_JSON: "chainedBridgingHeaderPath":
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// DEPS_JSON-SAME: -ChainedBridgingHeader.h
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// DEPS_JSON: "bridgingHeader":
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// DEPS_JSON-NEXT: "path":
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// DEPS_JSON-SAME: Bridging2.h
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// DEPS_JSON-NEXT: "sourceFiles":
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// DEPS_JSON-NEXT: Bridging2.h
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps3.json clang:SwiftShims > %t/shim2.cmd
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// RUN: %swift_frontend_plain @%t/shim2.cmd
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps3.json clang:B > %t/B2.cmd
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// RUN: %swift_frontend_plain @%t/B2.cmd
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps3.json clang:A > %t/A2.cmd
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// RUN: %swift_frontend_plain @%t/A2.cmd
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps3.json bridgingHeader > %t/header2.cmd
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// RUN: %target-swift-frontend @%t/header2.cmd -disable-implicit-swift-modules -O -o %t/bridging2.pch
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// RUN: %{python} %S/../CAS/Inputs/GenerateExplicitModuleMap.py %t/deps3.json > %t/map3.json
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps3.json User > %t/User2.cmd
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// RUN: echo "\"-import-objc-header\"" >> %t/User2.cmd
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// RUN: echo "\"%t/Bridging2.h\"" >> %t/User2.cmd
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// RUN: echo "\"-import-pch\"" >> %t/User2.cmd
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// RUN: echo "\"%t/bridging2.pch\"" >> %t/User2.cmd
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// RUN: %target-swift-frontend -module-name User -O \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -disable-implicit-swift-modules \
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// RUN: -explicit-swift-module-map-file %t/map3.json @%t/User2.cmd %t/user2.swift \
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// RUN: -emit-objc-header -emit-objc-header-path %t/User-Swift.h \
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// RUN: -emit-module -o %t/User2.swiftmodule
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/// Generated ObjC Header should reference original header name, not the chained bridging header.
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// RUN: %FileCheck %s --check-prefix OBJC-HEADER --input-file=%t/User-Swift.h
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// OBJC-HEADER: import B
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// OBJC-HEADER: import
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// OBJC-HEADER-SAME: Bridging2.h
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// OBJC-HEADER-NOT: ChainedBridgingHeader.h
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// RUN: %target-swift-frontend -scan-dependencies -module-name User -O -module-load-mode prefer-serialized \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -scanner-module-validation \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap \
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// RUN: -I %t %t/user2.swift -import-objc-header %t/Bridging3.h -auto-bridging-header-chaining -scanner-output-dir %t -scanner-debug-write-output \
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// RUN: -o %t/deps4.json -Rdependency-scan-cache -serialize-dependency-scan-cache -dependency-scan-cache-path %t/cache.moddepcache
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// RUN: %FileCheck %s --check-prefix DEPS_JSON2 --input-file=%t/deps4.json
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// DEPS_JSON2: "chainedBridgingHeaderPath":
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// DEPS_JSON2-SAME: -ChainedBridgingHeader.h
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// DEPS_JSON2: "bridgingHeader":
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// DEPS_JSON2-NEXT: "path":
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// DEPS_JSON2-SAME: Bridging3.h
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// DEPS_JSON2-NEXT: "sourceFiles":
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// DEPS_JSON2-NEXT: Bridging3.h
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/// Make sure the cache is correct.
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// RUN: %target-swift-frontend -scan-dependencies -module-name User -O -module-load-mode prefer-serialized \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -scanner-module-validation \
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// RUN: -Xcc -fmodule-map-file=%t/a.modulemap -Xcc -fmodule-map-file=%t/b.modulemap \
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// RUN: -I %t %t/user2.swift -import-objc-header %t/Bridging3.h -auto-bridging-header-chaining -scanner-output-dir %t -scanner-debug-write-output \
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// RUN: -o %t/deps4.json -Rdependency-scan-cache -load-dependency-scan-cache -serialize-dependency-scan-cache \
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// RUN: -dependency-scan-cache-path %t/cache.moddepcache 2>&1 | %FileCheck %s -check-prefix=CACHE-LOAD
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// CACHE-LOAD: remark: Incremental module scan: Re-using serialized module scanning dependency cache from:
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps4.json bridgingHeader > %t/header3.cmd
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// RUN: %target-swift-frontend @%t/header3.cmd -disable-implicit-swift-modules -O -o %t/bridging3.pch
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// RUN: %{python} %S/../CAS/Inputs/GenerateExplicitModuleMap.py %t/deps4.json > %t/map4.json
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// RUN: %{python} %S/../CAS/Inputs/BuildCommandExtractor.py %t/deps4.json User > %t/User3.cmd
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// RUN: echo "\"-import-pch\"" >> %t/User3.cmd
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// RUN: echo "\"%t/bridging3.pch\"" >> %t/User3.cmd
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// RUN: echo "\"-import-objc-header\"" >> %t/User3.cmd
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// RUN: echo "\"%t/Bridging3.h\"" >> %t/User3.cmd
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// RUN: %target-swift-frontend -module-name User -O \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -disable-implicit-swift-modules \
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// RUN: -explicit-swift-module-map-file %t/map4.json @%t/User3.cmd %t/user2.swift \
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// RUN: -emit-module -o %t/User3.swiftmodule
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/// Verify the encoded here is just the `-import-objc-header` option.
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// RUN: llvm-bcanalyzer -dump %t/User3.swiftmodule | %FileCheck %s --check-prefix CHECK-HEADER
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// CHECK-HEADER: <IMPORTED_HEADER
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// CHECK-HEADER-SAME: Bridging3.h
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/// TODO: Try removing the bridging header and using the embedded header.
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/// This is currently not available for testing due to a bug in embedded header
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/// generation when explicit module is on. rdar://142505969
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//--- test.swift
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public func test() {
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b()
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}
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public class TestB: B {}
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//--- user.swift
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import Test
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func user() {
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var b: TestB
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test()
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}
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extension A {
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public func testA() {}
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}
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public class AB : B {}
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//--- user2.swift
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import Test
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func user() {
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var b: TestB
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var bridging: Bridging2
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test()
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}
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extension Bridging2 {
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public func testA() {}
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}
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public class BB : B {}
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public class Foo3 : Bridging2 {}
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//--- Bridging.h
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#include "Foo.h"
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#include "Foo2.h"
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//--- Bridging2.h
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#include "Foo.h"
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#include "Foo2.h"
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@interface Bridging2
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@end
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//--- Bridging3.h
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@interface Bridging2
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@end
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//--- Foo.h
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#import "a.h"
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#ifndef IMPORT_FOO
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#define IMPORT_FOO
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int Foo = 0;
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#endif
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//--- Foo2.h
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#ifndef IMPORT_FOO2
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#define IMPORT_FOO2
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int Foo2 = 0;
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#endif
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//--- a.h
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#include "b.h"
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struct A {
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int a;
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};
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//--- b.h
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void b(void);
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@interface B
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@end
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//--- a.modulemap
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module A {
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header "a.h"
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export *
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}
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//--- b.modulemap
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module B {
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header "b.h"
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export *
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}
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