Files
swift-mirror/test/Interop/Cxx/stdlib/std-span-interface.swift
Gabor Horvath dd3db51f60 [cxx-interop] Make borrowing specifiers more precise
We do not need to borrow from view objects passed by value but we need
to borrow from owners taken by const reference regardless of whether it
was annotated using lifetimebound or lifetime_capture_by.
2025-01-29 11:49:32 +00:00

36 lines
1.8 KiB
Swift

// RUN: %empty-directory(%t)
// RUN: %target-swift-ide-test -plugin-path %swift-plugin-dir -I %S/Inputs -enable-experimental-feature LifetimeDependence -enable-experimental-feature Span -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
// RUN: %FileCheck %s < %t/interface.swift
// REQUIRES: swift_feature_SafeInteropWrappers
// REQUIRES: swift_feature_Span
// REQUIRES: swift_feature_LifetimeDependence
// FIXME swift-ci linux tests do not support std::span
// UNSUPPORTED: OS=linux-gnu
#if !BRIDGING_HEADER
import StdSpan
#endif
import CxxStdlib
// CHECK: struct DependsOnSelf {
// CHECK: @lifetime(borrow self)
// CHECK-NEXT: @_alwaysEmitIntoClient public mutating func get() -> Span<CInt>
// CHECK-NEXT: mutating func get() -> ConstSpanOfInt
// CHECK: mutating func set(_ x: borrowing std.{{.*}}vector<CInt, std.{{.*}}allocator<CInt>>)
// CHECK: func funcWithSafeWrapper(_ s: ConstSpanOfInt)
// CHECK-NEXT: func funcWithSafeWrapper2(_ s: ConstSpanOfInt) -> ConstSpanOfInt
// CHECK-NEXT: func funcWithSafeWrapper3(_ v: borrowing VecOfInt) -> ConstSpanOfInt
// CHECK: struct X {
// CHECK-NEXT: init()
// CHECK-NEXT: @_alwaysEmitIntoClient public mutating func methodWithSafeWrapper(_ s: Span<CInt>)
// CHECK-NEXT: mutating func methodWithSafeWrapper(_ s: ConstSpanOfInt)
// CHECK-NEXT: }
// CHECK-NEXT: @_alwaysEmitIntoClient public func funcWithSafeWrapper(_ s: Span<CInt>)
// CHECK-NEXT: @lifetime(s)
// CHECK-NEXT: @_alwaysEmitIntoClient public func funcWithSafeWrapper2(_ s: Span<CInt>) -> Span<CInt>
// CHECK-NEXT: @lifetime(borrow v)
// CHECK-NEXT: @_alwaysEmitIntoClient public func funcWithSafeWrapper3(_ v: borrowing VecOfInt) -> Span<CInt>