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d43ff2db15
This allows combining __counted_by and std::span for safe interop. Previously we disabled this in C++ mode due to issues when bounds attributes occurred directly or indirectly in templated contexts, but this has now been resolved on the clang side.
43 lines
2.6 KiB
Swift
43 lines
2.6 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-ide-test -plugin-path %swift-plugin-dir -I %S/Inputs -enable-experimental-feature LifetimeDependence -enable-experimental-feature SafeInteropWrappers -print-module -module-to-print=StdSpan -source-filename=x -enable-experimental-cxx-interop -Xcc -std=c++20 -module-cache-path %t > %t/interface.swift
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// RUN: %FileCheck %s < %t/interface.swift
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// REQUIRES: swift_feature_SafeInteropWrappers
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// REQUIRES: swift_feature_LifetimeDependence
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// FIXME swift-ci linux tests do not support std::span
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// UNSUPPORTED: OS=linux-gnu
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#if !BRIDGING_HEADER
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import StdSpan
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#endif
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import CxxStdlib
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// CHECK: struct DependsOnSelf {
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// CHECK: @lifetime(borrow self)
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// CHECK-NEXT: @_alwaysEmitIntoClient @_disfavoredOverload public borrowing func get() -> Span<CInt>
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// CHECK-NEXT: borrowing func get() -> ConstSpanOfInt
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// CHECK: mutating func set(_ x: borrowing std.{{.*}}vector<CInt, std.{{.*}}allocator<CInt>>)
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// CHECK: func funcWithSafeWrapper(_ s: ConstSpanOfInt)
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// CHECK-NEXT: func funcWithSafeWrapper2(_ s: ConstSpanOfInt) -> ConstSpanOfInt
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// CHECK-NEXT: func funcWithSafeWrapper3(_ v: borrowing VecOfInt) -> ConstSpanOfInt
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// CHECK: struct X {
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// CHECK-NEXT: init()
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// CHECK-NEXT: @_alwaysEmitIntoClient public mutating func methodWithSafeWrapper(_ s: Span<CInt>)
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// CHECK-NEXT: mutating func methodWithSafeWrapper(_ s: ConstSpanOfInt)
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// CHECK-NEXT: }
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// CHECK: @_alwaysEmitIntoClient public func funcWithSafeWrapper(_ s: Span<CInt>)
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// CHECK-NEXT: @lifetime(s)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func funcWithSafeWrapper2(_ s: Span<CInt>) -> Span<CInt>
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// CHECK-NEXT: @lifetime(borrow v)
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// CHECK-NEXT: @_alwaysEmitIntoClient @_disfavoredOverload public func funcWithSafeWrapper3(_ v: borrowing VecOfInt) -> Span<CInt>
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// CHECK-NEXT: @lifetime(p)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func mixedFuncWithSafeWrapper1(_ p: Span<Int32>) -> Span<CInt>
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// CHECK-NEXT: @lifetime(borrow v)
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// CHECK-NEXT: @_alwaysEmitIntoClient @_disfavoredOverload public func mixedFuncWithSafeWrapper2(_ v: borrowing VecOfInt, _ len: Int32) -> UnsafeBufferPointer<Int32>
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// CHECK-NEXT: @_alwaysEmitIntoClient public func mixedFuncWithSafeWrapper3(_ s: Span<CInt>, _ p: UnsafeMutableBufferPointer<Int32>)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func mixedFuncWithSafeWrapper4(_ s: Span<CInt>, _ p: Span<Int32>)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func mixedFuncWithSafeWrapper5(_ s: ConstSpanOfInt, _ p: Span<Int32>)
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// CHECK-NEXT: @_alwaysEmitIntoClient public func mixedFuncWithSafeWrapper6(_ s: ConstSpanOfInt, _ p: UnsafeMutableBufferPointer<Int32>)
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