Files
sourcekit-lsp/Sources/SourceKitLSP/ToolchainLanguageServer.swift
2023-10-05 13:31:49 -07:00

109 lines
5.1 KiB
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 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
import LanguageServerProtocol
import SKCore
/// The state of a `ToolchainLanguageServer`
public enum LanguageServerState {
/// The language server is running with semantic functionality enabled
case connected
/// The language server server has crashed and we are waiting for it to relaunch
case connectionInterrupted
/// The language server has relaunched but semantic functionality is currently disabled
case semanticFunctionalityDisabled
}
/// A `LanguageServer` that exists within the context of the current process.
public protocol ToolchainLanguageServer: AnyObject {
// MARK: - Creation
init?(
sourceKitServer: SourceKitServer,
toolchain: Toolchain,
options: SourceKitServer.Options,
workspace: Workspace
) async throws
/// Returns `true` if this instance of the language server can handle opening documents in `workspace`.
///
/// If this returns `false`, a new language server will be started for `workspace`.
func canHandle(workspace: Workspace) -> Bool
// MARK: - Lifetime
func initializeSync(_ initialize: InitializeRequest) async throws -> InitializeResult
func clientInitialized(_ initialized: InitializedNotification) async
/// Shut the server down and return once the server has finished shutting down
func shutdown() async
/// Add a handler that is called whenever the state of the language server changes.
func addStateChangeHandler(handler: @escaping (_ oldState: LanguageServerState, _ newState: LanguageServerState) -> Void) async
// MARK: - Text synchronization
/// Sent to open up a document on the Language Server.
/// This may be called before or after a corresponding
/// `documentUpdatedBuildSettings` call for the same document.
func openDocument(_ note: DidOpenTextDocumentNotification) async
/// Sent to close a document on the Language Server.
func closeDocument(_ note: DidCloseTextDocumentNotification) async
func changeDocument(_ note: DidChangeTextDocumentNotification) async
func willSaveDocument(_ note: WillSaveTextDocumentNotification) async
func didSaveDocument(_ note: DidSaveTextDocumentNotification) async
// MARK: - Build System Integration
/// Sent when the `BuildSystem` has resolved build settings, such as for the intial build settings
/// or when the settings have changed (e.g. modified build system files). This may be sent before
/// the respective `DocumentURI` has been opened.
func documentUpdatedBuildSettings(_ uri: DocumentURI) async
/// Sent when the `BuildSystem` has detected that dependencies of the given file have changed
/// (e.g. header files, swiftmodule files, other compiler input files).
func documentDependenciesUpdated(_ uri: DocumentURI) async
// MARK: - Text Document
func completion(_ req: CompletionRequest) async throws -> CompletionList
func hover(_ req: HoverRequest) async throws -> HoverResponse?
func symbolInfo(_ request: SymbolInfoRequest) async throws -> [SymbolDetails]
func openInterface(_ request: OpenInterfaceRequest) async throws -> InterfaceDetails?
/// - Note: Only called as a fallback if the definition could not be found in the index.
func definition(_ request: DefinitionRequest) async throws -> LocationsOrLocationLinksResponse?
func declaration(_ request: DeclarationRequest) async throws -> LocationsOrLocationLinksResponse?
func documentSymbolHighlight(_ req: DocumentHighlightRequest) async throws -> [DocumentHighlight]?
func foldingRange(_ req: FoldingRangeRequest) async throws -> [FoldingRange]?
func documentSymbol(_ req: DocumentSymbolRequest) async throws -> DocumentSymbolResponse?
func documentColor(_ req: DocumentColorRequest) async throws -> [ColorInformation]
func documentSemanticTokens(_ req: DocumentSemanticTokensRequest) async throws -> DocumentSemanticTokensResponse?
func documentSemanticTokensDelta(_ req: DocumentSemanticTokensDeltaRequest) async throws -> DocumentSemanticTokensDeltaResponse?
func documentSemanticTokensRange(_ req: DocumentSemanticTokensRangeRequest) async throws -> DocumentSemanticTokensResponse?
func colorPresentation(_ req: ColorPresentationRequest) async throws -> [ColorPresentation]
func codeAction(_ req: CodeActionRequest) async throws -> CodeActionRequestResponse?
func inlayHint(_ req: InlayHintRequest) async throws -> [InlayHint]
func documentDiagnostic(_ req: DocumentDiagnosticsRequest) async throws -> DocumentDiagnosticReport
// MARK: - Other
func executeCommand(_ req: ExecuteCommandRequest) async throws -> LSPAny?
/// Crash the language server. Should be used for crash recovery testing only.
func _crash() async
}