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Ambiguities are introduced in generated swiftinterfaces when a type shares a name with a module (i.e. XCTest). This workaround uses the module-alias feature to avoid these ambiguities. Writing module references with a distinguishable prefix should allow normal type-checking to avoid the usual ambiguities. We should still aim for a proper fully-qualified named syntax, but this may help in the mean time. rdar://101969500
67 lines
1.9 KiB
Swift
67 lines
1.9 KiB
Swift
/// Test that the AliasModuleNames mode avoids ambiguities in swiftinterfaces
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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 -emit-module -module-name AmbiguousLib \
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// RUN: -swift-version 5 -enable-library-evolution \
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// RUN: -o %t/AmbiguousLib.swiftmodule \
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// RUN: -emit-module-interface-path %t/AmbiguousLib.swiftinterface \
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// RUN: %t/AmbiguousLib.swift
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// RUN: %target-swift-typecheck-module-from-interface(%t/AmbiguousLib.swiftinterface)
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// RUN: %target-swift-frontend -emit-module -module-name AmbiguousClientName \
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// RUN: -swift-version 5 -enable-library-evolution \
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// RUN: -o %t/AmbiguousClientName.swiftmodule \
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// RUN: -emit-module-interface-path %t/AmbiguousClientName.swiftinterface \
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// RUN: %t/AmbiguousClientName.swift -I%t \
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// RUN: -alias-module-names-in-module-interface
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// RUN: %target-swift-typecheck-module-from-interface(%t/AmbiguousClientName.swiftinterface) -I%t
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//--- module.modulemap
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module AmbiguousClientName {
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header "AmbiguousClientName.h"
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}
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module SomeClangModule {
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header "SomeClangModule.h"
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}
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//--- AmbiguousClientName.h
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struct UnderlyingType {};
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void underlyingFunc() {}
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//--- SomeClangModule.h
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struct CType {};
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//--- AmbiguousLib.swift
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// 1. AmbiguousLib defined a type named AmbiguousLib
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public struct AmbiguousLib {
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public struct Nested {}
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}
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// 2. A lib defines a type of the same name as a client's module
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public struct AmbiguousClientName {
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}
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//--- AmbiguousClientName.swift
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@_exported import AmbiguousClientName
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import AmbiguousLib
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import SomeClangModule
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public struct SomeType {
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@inlinable
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public func inlinableFunc() {
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var x: AmbiguousClientName
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}
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}
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public func refToLocalType(_ a: SomeType) {}
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public func refToNestedInLib(_ a: AmbiguousLib.Nested) {}
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public func refToStdlib(_ a: Swift.Int) {}
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public func refToUnderlying(_ a: UnderlyingType) {}
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public func refToC(_ a: CType) {}
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