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Implement Swift version of SPI_AVAILABLE as @_spi_available #41692

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Merged
merged 12 commits into from
Mar 6, 2022
Merged

Implement Swift version of SPI_AVAILABLE as @_spi_available #41692

merged 12 commits into from
Mar 6, 2022

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@nkcsgexi nkcsgexi commented Mar 5, 2022 •
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Like @available, this attribute indicates a decl is available only as an SPI.
This implies several behavioral changes comparing to regular @available:

  1. Type checker diagnoses when a client accidentally exposes such a symbol in library APIs.
  2. When emitting public interfaces, @_spi_available is printed as @available(platform, unavailable).
  3. ClangImporter imports ObjC macros SPI_AVAILABLE and __SPI_AVAILABLE to this attribute.

@nkcsgexi nkcsgexi changed the title [WIP] implement Swift version of SPI_IMPORT as @_spi_available [WIP] implement Swift version of SPI_AVAILABLE as @_spi_available Mar 5, 2022
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nkcsgexi commented Mar 5, 2022

@swift-ci please smoke test

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nkcsgexi commented Mar 5, 2022

@swift-ci please smoke test

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nkcsgexi commented Mar 5, 2022

@swift-ci please test

@nkcsgexi nkcsgexi changed the title [WIP] implement Swift version of SPI_AVAILABLE as @_spi_available Implement Swift version of SPI_AVAILABLE as @_spi_available Mar 6, 2022
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nkcsgexi commented Mar 6, 2022

@swift-ci please test

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nkcsgexi commented Mar 6, 2022

@swift-ci please test

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nkcsgexi commented Mar 6, 2022

@swift-ci please smoke test

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nkcsgexi commented Mar 6, 2022

@swift-ci please test

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nkcsgexi commented Mar 6, 2022

@swift-ci please test

@nkcsgexi nkcsgexi merged commit 610a4a5 into swiftlang:main Mar 6, 2022
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