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Alex Hoppen 5709e1a864 Add a SourceKit plugin to handle code completion requests
This adds a sourcekitd plugin that drives the code completion requests. It also includes a `CompletionScoring` module that’s used to rank code completion results based on their contextual match, allowing us to show more relevant code completion results at the top.
2025-01-03 14:21:54 +01:00

93 lines
2.5 KiB
Swift

//===----------------------------------------------------------------------===//
//
// 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 CompletionKind: Equatable {
/// Example: try, throw, where
case keyword
/// Example: A case in an enumeration
case enumCase
/// Example: A local, argument, property within a type
case variable
/// Example: A function at global scope, or within some other type.
case function
/// Example: An init method
case initializer
/// Example: in `append(|)`, suggesting `contentsOf:`
case argumentLabels
/// Example: `String`, `Int`, generic parameter, typealias, associatedtype
case type
/// Example: A `guard let` template for a local variable.
case template
/// Example: Foundation, AppKit, UIKit, SwiftUI
case module
/// Example: Something not listed here, consider adding a new case
case other
/// Example: Completion provider can't even tell what it's offering up.
case unknown
/// Example: Provider was written before this enum existed, and didn't have an opportunity to provide a value
case unspecified
}
extension CompletionKind: BinaryCodable {
package init(_ decoder: inout BinaryDecoder) throws {
self = try decoder.decodeEnumByte { decoder, n in
switch n {
case 0: return .keyword
case 1: return .enumCase
case 2: return .variable
case 3: return .function
case 4: return .initializer
case 5: return .argumentLabels
case 6: return .type
case 7: return .template
case 8: return .other
case 9: return .unknown
case 10: return .unspecified
case 11: return .module
default: return nil
}
}
}
package func encode(_ encoder: inout BinaryEncoder) {
let value: UInt8
switch self {
case .keyword: value = 0
case .enumCase: value = 1
case .variable: value = 2
case .function: value = 3
case .initializer: value = 4
case .argumentLabels: value = 5
case .type: value = 6
case .template: value = 7
case .other: value = 8
case .unknown: value = 9
case .unspecified: value = 10
case .module: value = 11
}
encoder.write(value)
}
}