Adopt @abi in the standard library
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@swift-ci please test |
Additional tests for the previous commit “Diagnose CustomAttrs as needed in `@abi`”.
Additional tests for the previous commit “[Legacy parser] No freestanding macros in `@abi`”.
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With swiftlang/swift-syntax#3062 @swift-ci please test |
This commit enables the ABIAttribute feature in the standard library build and replaces (nearly) every instance of `@_silgen_name(<mangled Swift name>)` in stdlib/public with an `@abi` attribute.
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With swiftlang/swift-syntax#3062 @swift-ci please test |
ktoso
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Azoy
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May 13, 2025
| @_spi(SwiftStdlibLegacyABI) @available(swift, obsoleted: 1) | ||
| @_silgen_name("$ss4type2ofq_x_tr0_lF") |
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I think I would prefer to just remove these symbols (in Builtin.swift) altogether since no one should be linking them in the first place.
Azoy
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As a minor convenience, could we have a policy of using "throws" instead of "rethrows" inside the @abi annotations? This would make it slightly easier to find the remaining "rethrows" calls that need generalizing. |
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This PR replaces eligible uses of
@_silgen_nameinstdlib/with@abi. Because the API digester has a better understanding of@abithan@_silgen_name, this also affects the output of API digester tests run on the standard library; it should typically describe changes more accurately than it did before.This PR also includes two commits with macro-related tests that were originally part of #80383 but cannot be merged without a SwiftSyntax change (either swiftlang/swift-syntax#3026 or the changes that will be made if SE-0476 is accepted).
Standard library reviewers: Review the final commit; ignore the others. You might also want to search the standard library for uses of
@_silgen_namethat I might have missed. (Remember,@abiis not designed to replace uses of@_silgen_nameto assign an arbitrary string symbol, likeswift_stdlib_getDescription.)