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4ab89d8bbb
This is a workaround for the lack of support for imported class hierarchies in Swift. Swift's ClangImporter doesn't tell the Swift frontend about derived class relationships between imported types.
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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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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#pragma once
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#if __has_include(<swift/bridging>)
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# include <swift/bridging>
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// FIXME: Workaround for Xcode 14/15. When swif becomes required, we should bump the
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// required Xcode verison to one that supports all the features we are using.
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# ifndef SWIFT_UNCHECKED_SENDABLE
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# define SWIFT_UNCHECKED_SENDABLE
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# define SWIFT_NONCOPYABLE
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# define SWIFT_NONESCAPABLE
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# define SWIFT_ESCAPABLE
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# define SWIFT_ESCAPABLE_IF(...)
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# define SWIFT_RETURNS_RETAINED
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# define SWIFT_RETURNS_UNRETAINED
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# endif
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#else
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# define SWIFT_SELF_CONTAINED
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# define SWIFT_RETURNS_INDEPENDENT_VALUE
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# define SWIFT_SHARED_REFERENCE(retain, release)
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# define SWIFT_IMMORTAL_REFERENCE
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# define SWIFT_UNSAFE_REFERENCE
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# define SWIFT_NAME(name)
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# define SWIFT_CONFORMS_TO_PROTOCOL(protocol)
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# define SWIFT_COMPUTED_PROPERTY
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# define SWIFT_MUTATING
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# define SWIFT_UNCHECKED_SENDABLE
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# define SWIFT_NONCOPYABLE
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# define SWIFT_NONESCAPABLE
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# define SWIFT_ESCAPABLE
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# define SWIFT_ESCAPABLE_IF(...)
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# define SWIFT_RETURNS_RETAINED
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# define SWIFT_RETURNS_UNRETAINED
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#endif
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// FIXME: This needs to be in the global namespace for reasons
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// https://github.com/swiftlang/swift/issues/80231
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template<class From, class To>
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To cxxCast(From i)
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{
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return static_cast<To>(i);
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}
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