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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 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
//
//===----------------------------------------------------------------------===//
package import LanguageServerProtocol
/// The set of known Swift commands.
///
/// All commands from the Swift LSP should be listed here.
package let builtinSwiftCommands: [String] = [
SemanticRefactorCommand.self,
ExpandMacroCommand.self,
].map { (command: any SwiftCommand.Type) in
command.identifier
}
/// A `Command` that should be executed by Swift's language server.
package protocol SwiftCommand: Codable, Hashable, LSPAnyCodable {
static var identifier: String { get }
var title: String { get set }
}
extension SwiftCommand {
/// Converts this `SwiftCommand` to a generic LSP `Command` object.
package func asCommand() -> Command {
let argument = encodeToLSPAny()
return Command(title: title, command: Self.identifier, arguments: [argument])
}
}
extension ExecuteCommandRequest {
/// Attempts to convert the underlying `Command` metadata from this request
/// to a specific Swift language server `SwiftCommand`.
///
/// - Parameters:
/// - type: The `SwiftCommand` metatype to convert to.
package func swiftCommand<T: SwiftCommand>(ofType type: T.Type) -> T? {
guard type.identifier == command else {
return nil
}
guard let argument = arguments?.first else {
return nil
}
guard case let .dictionary(dictionary) = argument else {
return nil
}
return type.init(fromLSPDictionary: dictionary)
}
}
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