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* Scrap Comparable conformance for _SwiftNSOperatingSystemVersion * Lazy performance needs specialization * Uninline dump/stdout * Bool consistency * fixup CollectionOld * Uninline printing functions
45 lines
1.6 KiB
Swift
45 lines
1.6 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SwiftShims
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/// Returns 1 if the running OS version is greater than or equal to
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/// major.minor.patchVersion and 0 otherwise.
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///
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/// This is a magic entry point known to the compiler. It is called in
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/// generated code for API availability checking.
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@_semantics("availability.osversion")
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@inlinable
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public func _stdlib_isOSVersionAtLeast(
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_ major: Builtin.Word,
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_ minor: Builtin.Word,
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_ patch: Builtin.Word
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) -> Builtin.Int1 {
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#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
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// The call to _swift_stdlib_operatingSystemVersion is used as an indicator
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// that this function was called by a compiler optimization pass. If it is
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// replaced that pass needs to be updated.
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let runningVersion = _swift_stdlib_operatingSystemVersion()
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let result =
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(runningVersion.majorVersion,runningVersion.minorVersion,runningVersion.patchVersion)
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>= (Int(major),Int(minor),Int(patch))
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return result._value
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#else
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// FIXME: As yet, there is no obvious versioning standard for platforms other
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// than Darwin-based OSes, so we just assume false for now.
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// rdar://problem/18881232
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return false._value
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#endif
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}
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