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1fd6ef95ce
The compiler stubs for testing the OSLog implementation are in need of an update. This change updates the stubs to be consistent with the current OSLog implementation, updates the existing tests, and adds new tests for String and metatype interpolations. rdar://69719729
73 lines
3.0 KiB
Swift
73 lines
3.0 KiB
Swift
//===----------------- OSLogSwiftProtocols.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 - 2020 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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// This file defines extensions for interpolating types conforming to common
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// Swift protocols. It defines `appendInterpolation` overloads for these protocols.
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// All overloads defined in this file, delegate to other appendInterpolation
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// functions for types natively supported by os_log.
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extension OSLogInterpolation {
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/// Defines interpolation for values conforming to CustomStringConvertible. The values
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/// are displayed using the description methods on them.
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///
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/// Do not call this function directly. It will be called automatically when interpolating
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/// a value conforming to CustomStringConvertible in the string interpolations passed
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/// to the log APIs.
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///
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/// - Parameters:
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/// - value: The interpolated expression conforming to CustomStringConvertible.
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/// - align: Left or right alignment with the minimum number of columns as
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/// defined by the type `OSLogStringAlignment`.
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/// - privacy: A privacy qualifier which is either private or public.
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/// It is auto-inferred by default.
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@_optimize(none)
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@_transparent
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@_semantics("oslog.requires_constant_arguments")
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public mutating func appendInterpolation<T : CustomStringConvertible>(
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_ value: @autoclosure @escaping () -> T,
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align: OSLogStringAlignment = .none,
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privacy: OSLogPrivacy = .auto
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) {
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// TODO: Dead code elimination does not remove the call to the default value
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// of alignment: .none. This function is made @_transparent to work around
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// that.
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appendInterpolation(value().description, align: align, privacy: privacy)
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}
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/// Defines interpolation for meta-types.
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///
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/// Do not call this function directly. It will be called automatically when interpolating
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/// a value of type `Any.Type` in the string interpolations passed to the log APIs.
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///
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/// - Parameters:
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/// - value: An interpolated expression of type Any.Type, which is autoclosured.
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/// - align: Left or right alignment with the minimum number of columns as
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/// defined by the type `OSLogStringAlignment`.
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/// - privacy: A privacy qualifier which is either private or public.
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/// It is auto-inferred by default.
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@_semantics("constant_evaluable")
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@inlinable
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@_optimize(none)
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@_semantics("oslog.requires_constant_arguments")
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public mutating func appendInterpolation(
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_ value: @autoclosure @escaping () -> Any.Type,
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align: OSLogStringAlignment = .none,
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privacy: OSLogPrivacy = .auto
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) {
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appendInterpolation(
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_typeName(value(), qualified: false),
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align: align,
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privacy: privacy)
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}
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}
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