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8554ee386e
Add the proper annotations for the Cell and Cell::Visitor classes to be visible in Swift. This lets us remove some OpaquePointer shinangians in the Swift bindings.
53 lines
1.5 KiB
Swift
53 lines
1.5 KiB
Swift
/*
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* Copyright (c) 2024, Andrew Kaster <andrew@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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import AK
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import GC
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@_exported import TestGCSwiftCxx
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import Testing
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public struct HeapString: HeapAllocatable {
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public var string: Swift.String
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public init(cell: GC.Cell) {
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self.cell = cell
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self.string = ""
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}
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public static func create(on heap: GC.Heap, string: Swift.String) -> GC.Cell {
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// NOTE: GC must be deferred so that a collection during allocation doesn't get tripped
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// up looking for the Cell pointer on the stack or in a register when it might only exist in the heap
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precondition(heap.is_gc_deferred())
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let heapString = allocate(on: heap)
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heapString.pointee.string = string
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return heapString.pointee.cell
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}
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public var cell: GC.Cell
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}
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@Suite(.serialized)
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struct TestGCSwiftBindings {
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@Test func createBoundString() {
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let heap = test_gc_heap()
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let string = heap.withDeferredGC {
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return HeapString.allocate(on: heap)
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}
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#expect(string.pointee.string == "")
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heap.collect_garbage(GC.Heap.CollectionType.CollectGarbage)
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string.pointee.string = "Hello, World!"
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heap.collect_garbage(GC.Heap.CollectionType.CollectGarbage)
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#expect(string.pointee.string == "Hello, World!")
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heap.collect_garbage(GC.Heap.CollectionType.CollectEverything)
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}
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@Test func testInterop() {
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test_interop()
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}
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}
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