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When we generate a safe wrapper that only differs in the return type we might introduce ambiguities as some callers might not have enough information to disambiguate between the overloads. This PR makes sure the newly generated declarations are marked as @_disfavoredOverload so the compiler can keep calling the old functions without a source break when the feature is turned on. rdar://139074571
22 lines
1.6 KiB
Swift
22 lines
1.6 KiB
Swift
// REQUIRES: swift_feature_SafeInteropWrappers
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// RUN: %target-swift-ide-test -print-module -module-to-print=SizedByClang -plugin-path %swift-plugin-dir -I %S/Inputs -source-filename=x -enable-experimental-feature SafeInteropWrappers | %FileCheck %s
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// swift-ide-test doesn't currently typecheck the macro expansions, so run the compiler as well
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -plugin-path %swift-plugin-dir -o %t/SizedBy.swiftmodule -I %S/Inputs -enable-experimental-feature SafeInteropWrappers %s
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// Check that ClangImporter correctly infers and expands @_SwiftifyImport macros for functions with __sized_by parameters.
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import SizedByClang
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// CHECK: @_alwaysEmitIntoClient public func complexExpr(_ len: Int{{.*}}, _ offset: Int{{.*}}, _ p: UnsafeMutableRawBufferPointer)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func nonnull(_ p: UnsafeMutableRawBufferPointer)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func nullUnspecified(_ p: UnsafeMutableRawBufferPointer)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func nullable(_ p: UnsafeMutableRawBufferPointer?)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func opaque(_ p: UnsafeRawBufferPointer)
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// CHECK-NEXT: @_alwaysEmitIntoClient @_disfavoredOverload public func returnPointer(_ len: Int{{.*}}) -> UnsafeMutableRawBufferPointer
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// CHECK-NEXT: @_alwaysEmitIntoClient public func shared(_ len: Int{{.*}}, _ p1: UnsafeMutableRawBufferPointer, _ p2: UnsafeMutableRawBufferPointer)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func simple(_ p: UnsafeMutableRawBufferPointer)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func swiftAttr(_ p: UnsafeMutableRawBufferPointer)
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