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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 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
//
//===----------------------------------------------------------------------===//
import Foundation
package enum ScopeProximity: Equatable {
/// Example: Within the context of a function, a local definition. Could be a variable, or an inner function, type,
/// etc...
case local
/// Example: An argument to a function, including generic parameters
case argument
/// Example: Within the context of a class, struct, etc..., possibly nested in a function, references to definitions
/// at the container level.
case container
/// Example: Within the context of a class, struct, etc..., possibly nested in a function, references to definitions
/// from an inherited class or protocol
case inheritedContainer
/// Example: Referring to a type in an outer container, for example, within the iterator for a Sequence, referring to
/// Element
case outerContainer
/// Example: Global variables, free functions, top level types
case global
/// Example: Keywords
case inapplicable
/// Provider doesn't know the relation between the completion and the context
case unknown
/// Example: Provider was written before this enum existed, and didn't have an opportunity to provide a value
case unspecified
}
extension ScopeProximity: BinaryCodable {
package init(_ decoder: inout BinaryDecoder) throws {
self = try decoder.decodeEnumByte { decoder, n in
switch n {
case 0: return .local
case 1: return .argument
case 2: return .container
case 3: return .inheritedContainer
case 4: return .outerContainer
case 5: return .global
case 6: return .inapplicable
case 7: return .unknown
case 8: return .unspecified
default: return nil
}
}
}
package func encode(_ encoder: inout BinaryEncoder) {
let value: UInt8
switch self {
case .local: value = 0
case .argument: value = 1
case .container: value = 2
case .inheritedContainer: value = 3
case .outerContainer: value = 4
case .global: value = 5
case .inapplicable: value = 6
case .unknown: value = 7
case .unspecified: value = 8
}
encoder.write(value)
}
}
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