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This implements basic checks on the validity of the @cdecl attribute and ensures the parameters and result types are representable in C. Many more diagnostics will need to be updated to verify full representability in C.
12 lines
418 B
Swift
12 lines
418 B
Swift
// RUN: %target-typecheck-verify-swift -enable-objc-interop -disable-availability-checking -enable-experimental-feature CDecl
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// REQUIRES: concurrency
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// REQUIRES: swift_feature_CDecl
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@_cdecl("async") // expected-error{{@_cdecl global function cannot be asynchronous}}
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func asynchronous() async { }
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@cdecl("async2") // expected-error{{@cdecl global function cannot be asynchronous}}
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func asynchronous2() async { }
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