[Swiftify] Handle anonymous parameters #81384
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_SwiftifyImport would expand with syntax errors if applied to a function with anonymous parameters, because it would try to refer to parameters using the name `_`. Detect these cases and create names for unnamed parameters. rdar://150955944
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@swift-ci please smoke test |
DougGregor
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May 9, 2025
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| let param = e.with(\.type, (argTypes[i] ?? e.type)!) | ||
| let name = param.secondName ?? param.firstName | ||
| if name.trimmed.text == "_" { |
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Why the redundant logic to extract the parameter name and check for _?
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Ah this is needed for general swift syntax, e.g. if you have func foo(bar: T). If you just blindly do .with(\.secondName, getParamName(param, i)), then you end up with func foo(bar bar: T)). Which I guess is not actually a problem, just redundant. But I also don't think we can end up with that syntax from an imported C function, so that's fine.
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_SwiftifyImport would expand with syntax errors if applied to a function with anonymous parameters, because it would try to refer to parameters using the name
_. Detect these cases and create names for unnamed parameters.rdar://150955944