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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
87 lines
4.0 KiB
Swift
87 lines
4.0 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/sdk)
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// RUN: split-file %s %t
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/// Compile two library modules A and A_related, and a middle library LibWithXRef with a reference to a type in A.
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// RUN: %target-swift-frontend %t/LibOriginal.swift -emit-module-path %t/A.swiftmodule -module-name A -I %t
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/A_related.swiftmodule -module-name A_related
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// RUN: %target-swift-frontend %t/LibWithXRef.swift -emit-module-path %t/sdk/LibWithXRef.swiftmodule -module-name LibWithXRef -I %t -swift-version 5 -enable-library-evolution
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/// Move MyType from A to A_related, triggering most notes.
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// RUN: %target-swift-frontend %t/EmptyOverlay.swift -emit-module-path %t/A.swiftmodule -module-name A -I %t
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// RUN: %target-swift-frontend %t/LibOriginal.swift -emit-module-path %t/A_related.swiftmodule -module-name A_related -I %t
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// RUN: not %target-swift-frontend -c -O %t/Client.swift -I %t -I %t/sdk -Rmodule-recovery -sdk %t/sdk -swift-version 4 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK-MOVED %s
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/// Main error downgraded to a remark.
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// CHECK-MOVED: 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'
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/// Contextual notes about the modules involved.
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// CHECK-MOVED: note: the type was expected to be found in module 'A' at '
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// CHECK-MOVED-SAME: A.swiftmodule'
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// CHECK-MOVED: note: or expected to be found in the underlying module 'A' defined at '
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// CHECK-MOVED-SAME: module.modulemap'
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// CHECK-MOVED: note: the type was actually found in module 'A_related' at '
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// CHECK-MOVED-SAME: A_related.swiftmodule'
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/// More notes depending on the context
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// CHECK-MOVED: note: the module 'LibWithXRef' was built with a Swift language version set to 5
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// CHECK-MOVED-SAME: while the current invocation uses 4
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// CHECK-MOVED: note: the module 'LibWithXRef' has enabled library-evolution; the following file may need to be deleted if the SDK was modified: '
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// CHECK-MOVED-SAME: LibWithXRef.swiftmodule'
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// CHECK-MOVED: note: declarations in the underlying clang module 'A' may be hidden by clang preprocessor macros
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// CHECK-MOVED: note: the distributed module 'LibWithXRef' refers to the local module 'A'; this may be caused by header maps or search paths
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// CHECK-MOVED: note: the type 'MyType' moved between related modules; clang preprocessor macros may affect headers shared between these modules
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// CHECK-MOVED: note: could not deserialize type for 'foo()'
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// CHECK-MOVED: error: cannot find 'foo' in scope
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/// Move A to the SDK, triggering a different note about layering.
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// RUN: mv %t/A.swiftmodule %t/sdk/A.swiftmodule
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// RUN: not %target-swift-frontend -c -O %t/Client.swift -I %t -I %t/sdk -Rmodule-recovery -sdk %t/sdk 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK-LAYERING-FOUND %s
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// CHECK-LAYERING-FOUND: note: the reference may break layering; the candidate was found in the local module 'A_related' for a reference from the distributed module 'LibWithXRef'
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// CHECK-LAYERING-FOUND: error: cannot find 'foo' in scope
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/// Delete A, keep only the underlying clangmodule for notes about clang modules.
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// RUN: rm %t/sdk/A.swiftmodule
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// RUN: %target-swift-frontend %t/Empty.swift -emit-module-path %t/A_related.swiftmodule -module-name A_related
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// RUN: not %target-swift-frontend -c -O %t/Client.swift -I %t -I %t/sdk -Rmodule-recovery -sdk %t/sdk 2>&1 \
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// RUN: | %FileCheck --check-prefixes CHECK-CLANG %s
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// CHECK-CLANG: note: declarations in the clang module 'A' may be hidden by clang preprocessor macros
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// CHECK-CLANG: error: cannot find 'foo' in scope
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//--- module.modulemap
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module A {
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header "A.h"
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}
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//--- A.h
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void foo() {}
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//--- Empty.swift
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//--- EmptyOverlay.swift
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@_exported import A
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//--- LibOriginal.swift
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@_exported import A
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public struct MyType {
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public init() {}
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}
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//--- LibWithXRef.swift
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import A
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import A_related
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public func foo() -> MyType {
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fatalError()
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}
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//--- Client.swift
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import LibWithXRef
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foo()
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