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Enabling `@_spiOnly` also enables stronger type-checking of SPI decls. As this could be source breaking, it has always been opt-in. Turn it on by default in Swift 6 mode where the stronger type-checking will also become expected. At the same time, disable the old alternative to `@_spiOnly` which was designed to be compatible with old compilers. Any user of that feature should move to `@_spiOnly` or `package import` instead.
40 lines
1.5 KiB
Swift
40 lines
1.5 KiB
Swift
/// Test requiring the flag -experimental-spi-only-imports to use @_spiOnly.
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// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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/// Build dummy dependency.
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// RUN: %target-swift-frontend -emit-module %t/Empty.swift \
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// RUN: -module-name Empty -emit-module-path %t/Empty.swiftmodule
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/// Attribute is rejected without the flag.
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// RUN: %target-swift-frontend -emit-module %t/Client.swift -I %t \
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// RUN: -module-name Client -emit-module-path %t/Client.swiftmodule -verify
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/// Attribute is accepted with the flag.
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// RUN: %target-swift-frontend -emit-module %t/Client.swift -I %t \
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// RUN: -module-name Client -emit-module-path %t/Client.swiftmodule \
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// RUN: -experimental-spi-only-imports
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/// Attribute is accepted without the flag in Swift 6.
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// RUN: %target-swift-frontend -emit-module %t/Client.swift -I %t \
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// RUN: -module-name Client -emit-module-path %t/Client.swiftmodule \
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// RUN: -swift-version 6
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/// Attribute is accepted without the flag when in a swiftinterface.
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// RUN: %target-swift-typecheck-module-from-interface(%t/Client.private.swiftinterface) \
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// RUN: -I %t -module-name Client
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//--- Empty.swift
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//--- Client.swift
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@_spiOnly import Empty // expected-error {{'@_spiOnly' requires setting the frontend flag '-experimental-spi-only-imports'}}
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//--- Client.private.swiftinterface
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// swift-interface-format-version: 1.0
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// swift-compiler-version: Swift version 5.8-dev effective-4.1.50
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// swift-module-flags: -swift-version 4 -module-name Client
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import Swift
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@_spiOnly import Empty
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