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dac06898e9
Implements the minimum specified by the SE-proposal.
* Add the CaseIterable protocol with AllCases associatedtype and
allCases requirement
* Automatic synthesis occurs for "simple" enums
- Caveat: Availability attributes suppress synthesis. This can be
lifted in the future
- Caveat: Conformance must be stated on the original type
declaration (just like synthesizing Equatable/Hashable)
- Caveat: Synthesis generates an [T]. A more efficient collection
- possibly even a lazy one - should be put here.
107 lines
4.2 KiB
C++
107 lines
4.2 KiB
C++
//===--- KnownProtocols.def - Compiler protocol metaprogramming -*- C++ -*-===//
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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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//
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// This file defines macros used for macro-metaprogramming with compiler-known
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// protocols.
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//
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//===----------------------------------------------------------------------===//
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/// \def PROTOCOL_WITH_NAME(Id, Name)
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///
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/// The enumerator value is \c KnownProtocolKind::Id. The protocol represented
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/// is simply named \p Name.
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#ifndef PROTOCOL_WITH_NAME
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#define PROTOCOL_WITH_NAME(Id, Name)
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#endif
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/// \def EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(Id, Name)
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#ifndef EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME
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#define EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(Id, Name) \
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PROTOCOL_WITH_NAME(Id, Name)
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#endif
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/// \def BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(Id, Name)
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///
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/// Note that this is not a special form of EXPRESSIBLE_BY_LITERAL_PROTOCOL.
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#ifndef BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME
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#define BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(Id, Name) \
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PROTOCOL_WITH_NAME(Id, Name)
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#endif
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#define PROTOCOL(name) PROTOCOL_WITH_NAME(name, #name)
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#define PROTOCOL_(name) PROTOCOL_WITH_NAME(name, "_" #name)
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#define EXPRESSIBLE_BY_LITERAL_PROTOCOL(name) \
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EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(name, #name)
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#define EXPRESSIBLE_BY_LITERAL_PROTOCOL_(name) \
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EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(name, "_" #name)
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#define BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(name) \
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME(name, "_" #name)
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PROTOCOL(Sequence)
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PROTOCOL(IteratorProtocol)
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PROTOCOL(RawRepresentable)
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PROTOCOL(Equatable)
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PROTOCOL(Hashable)
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PROTOCOL(Comparable)
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PROTOCOL(Error)
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PROTOCOL_(ErrorCodeProtocol)
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PROTOCOL(OptionSet)
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PROTOCOL(CaseIterable)
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PROTOCOL_(BridgedNSError)
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PROTOCOL_(BridgedStoredNSError)
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PROTOCOL_(CFObject)
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PROTOCOL_(SwiftNewtypeWrapper)
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PROTOCOL(CodingKey)
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PROTOCOL(Encodable)
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PROTOCOL(Decodable)
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PROTOCOL_(ObjectiveCBridgeable)
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PROTOCOL_(DestructorSafeContainer)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByArrayLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByBooleanLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByDictionaryLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByExtendedGraphemeClusterLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByFloatLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByIntegerLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByStringInterpolation)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByStringLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByNilLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL(ExpressibleByUnicodeScalarLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByColorLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByImageLiteral)
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EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByFileReferenceLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinBooleanLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinUTF16ExtendedGraphemeClusterLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinExtendedGraphemeClusterLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinFloatLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinIntegerLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinStringLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinUTF16StringLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinUnicodeScalarLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinConstStringLiteral)
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BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_(ExpressibleByBuiltinConstUTF16StringLiteral)
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#undef EXPRESSIBLE_BY_LITERAL_PROTOCOL
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#undef EXPRESSIBLE_BY_LITERAL_PROTOCOL_
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#undef EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME
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#undef BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_
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#undef BUILTIN_EXPRESSIBLE_BY_LITERAL_PROTOCOL_WITH_NAME
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#undef PROTOCOL
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#undef PROTOCOL_
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#undef PROTOCOL_WITH_NAME
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