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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
/// Old compiler might send '.declaration' as "freeStandingDeclaration".
extension PluginMessage.MacroRole {
@_spi(PluginMessage) public init(from decoder: Decoder) throws {
let stringValue = try decoder.singleValueContainer().decode(String.self)
if let role = Self(rawValue: stringValue) {
self = role
return
}
// Accept "freeStandingDeclaration" as '.declaration'.
if stringValue == "freeStandingDeclaration" {
self = Self.declaration
return
}
throw DecodingError.dataCorrupted(
DecodingError.Context(
codingPath: decoder.codingPath,
debugDescription: "Invalid string value for MacroRole: \(stringValue)"
)
)
}
}
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