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59e0af702b
Make sure we flush the diagnostics consumers to prevent the new diagnostic style to buffer the deserialization errors without printing them. These errors may be printed right before an `abort()`, which would bypass the actual printing of the errors. Take advantage of the new style to make these diagnostics more readable as well. ``` .../LibWithXRef.swiftmodule:1:1: remark: reference to type 'MyType' broken by a context change; 'MyType' was expected to be in 'A', but now a candidate is found only in 'A_related' 1 │ A.MyType │ ├─ remark: reference to type 'MyType' broken by a context change; 'MyType' was expected to be in 'A', but now a candidate is found only in 'A_related' │ ├─ note: the type was expected to be found in module 'A' at ‘.../A.swiftmodule' │ ├─ note: or expected to be found in the underlying module 'A' defined at ‘.../module.modulemap' │ ├─ note: the type was actually found in module 'A_related' at ‘.../A_related.swiftmodule' │ ├─ note: the module 'LibWithXRef' was built with a Swift language version set to 5.10 while the current invocation uses 4.1.50; APINotes may change how clang declarations are imported │ ├─ note: the module 'LibWithXRef' has enabled library-evolution; the following file may need to be deleted if the SDK was modified: ‘.../LibWithXRef.swiftmodule' │ ├─ note: declarations in the underlying clang module 'A' may be hidden by clang preprocessor macros │ ├─ note: the distributed module 'LibWithXRef' refers to the local module 'A'; this may be caused by header maps or search paths │ ╰─ note: the type 'MyType' moved between related modules; clang preprocessor macros may affect headers shared between these modules .../LibWithXRef.swiftmodule:1:1: note: could not deserialize type for 'foo()' 1 │ A.MyType │ ╰─ note: could not deserialize type for 'foo()' ``` rdar://124700605
73 lines
4.4 KiB
Swift
73 lines
4.4 KiB
Swift
/// Simulate typical modularization issues using Swift modules.
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// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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/// Compile two library modules A and B, and a client.
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// RUN: %target-swift-frontend %t/LibOriginal.swift -emit-module-path %t/A.swiftmodule -module-name A
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/B.swiftmodule -module-name B
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// RUN: %target-swift-frontend %t/LibWithXRef.swift -emit-module-path %t/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t
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/// Move MyType from A to B.
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/A.swiftmodule -module-name A
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// RUN: %target-swift-frontend %t/LibOriginal.swift -emit-module-path %t/B.swiftmodule -module-name B
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// RUN: not %target-swift-frontend -emit-sil %t/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t -diagnostic-style llvm 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK,CHECK-MOVED %s
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// CHECK-MOVED: LibWithXRef.swiftmodule:1:1: error: reference to type 'MyType' broken by a context change; 'MyType' was expected to be in 'A', but now a candidate is found only in 'B'
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/// Force working around the broken modularization to get a result and no errors.
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// RUN: %target-swift-frontend -emit-sil %t/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t \
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// RUN: -experimental-force-workaround-broken-modules -diagnostic-style llvm 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK-WORKAROUND %s
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// CHECK-WORKAROUND: LibWithXRef.swiftmodule:1:1: warning: reference to type 'MyType' broken by a context change; 'MyType' was expected to be in 'A', but now a candidate is found only in 'B'
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// CHECK-WORKAROUND-NEXT: A.MyType
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// CHECK-WORKAROUND-NEXT: ^
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// CHECK-WORKAROUND: note: the type was expected to be found in module 'A' at '
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// CHECK-WORKAROUND-SAME: A.swiftmodule'
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// CHECK-WORKAROUND: note: the type was actually found in module 'B' at '
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// CHECK-WORKAROUND-SAME: B.swiftmodule'
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// CHECK-WORKAROUND: note: attempting forced recovery enabled by -experimental-force-workaround-broken-modules
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// CHECK-WORKAROUND: func foo() -> some Proto
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/// Change MyType into a function.
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// RUN: %target-swift-frontend %t/LibTypeChanged.swift -emit-module-path %t/A.swiftmodule -module-name A
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/B.swiftmodule -module-name B
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// RUN: not %target-swift-frontend -emit-sil %t/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t -diagnostic-style llvm 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK,CHECK-KIND-CHANGED %s
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// CHECK-KIND-CHANGED: LibWithXRef.swiftmodule:1:1: error: reference to type 'MyType' broken by a context change; the declaration kind of 'MyType' from 'A' changed since building 'LibWithXRef'
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/// Change MyType into a function and move it.
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/A.swiftmodule -module-name A
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// RUN: %target-swift-frontend %t/LibTypeChanged.swift -emit-module-path %t/B.swiftmodule -module-name B
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// RUN: not %target-swift-frontend -emit-sil %t/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t -diagnostic-style llvm 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK,CHECK-KIND-CHANGED-AND-MOVED %s
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// CHECK-KIND-CHANGED-AND-MOVED: LibWithXRef.swiftmodule:1:1: error: reference to type 'MyType' broken by a context change; the declaration kind of 'MyType' changed since building 'LibWithXRef', it was in 'A' and now a candidate is found only in 'B'
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/// Remove MyType from all imported modules.
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/A.swiftmodule -module-name A
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/B.swiftmodule -module-name B
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// RUN: not %target-swift-frontend -emit-sil %t/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t -diagnostic-style llvm 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK,CHECK-NOT-FOUND %s
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// CHECK-NOT-FOUND: LibWithXRef.swiftmodule:1:1: error: reference to type 'MyType' broken by a context change; 'MyType' is not found, it was expected to be in 'A'
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// CHECK: LibWithXRef.swiftmodule:1:1: note: could not deserialize extension
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//--- Empty.swift
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//--- LibOriginal.swift
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public struct MyType {
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public init() {}
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}
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//--- LibTypeChanged.swift
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/// Make it a function to fail filtering.
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public func MyType() {}
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//--- LibWithXRef.swift
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import A
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import B
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public protocol Proto {}
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extension MyType : Proto {}
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@available(SwiftStdlib 5.1, *)
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public func foo() -> some Proto { return MyType() }
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