mirror of
https://github.com/golang/go
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1dcc99b65a
This change keys the supported code actions map by file kind, so that we can extend it more easily for go.mod files. Change-Id: Ic28f91bd517700cf070281b1c4d4ded14a702790 Reviewed-on: https://go-review.googlesource.com/c/tools/+/189039 Run-TryBot: Rebecca Stambler <rstambler@golang.org> Reviewed-by: Ian Cottrell <iancottrell@google.com>
283 lines
9.4 KiB
Go
283 lines
9.4 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package lsp
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import (
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"context"
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"fmt"
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"net"
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"sync"
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"golang.org/x/tools/internal/jsonrpc2"
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"golang.org/x/tools/internal/lsp/protocol"
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"golang.org/x/tools/internal/lsp/source"
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"golang.org/x/tools/internal/span"
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)
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// NewClientServer
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func NewClientServer(ctx context.Context, cache source.Cache, client protocol.Client) (context.Context, *Server) {
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ctx = protocol.WithClient(ctx, client)
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return ctx, &Server{
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client: client,
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session: cache.NewSession(ctx),
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}
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}
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// NewServer starts an LSP server on the supplied stream, and waits until the
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// stream is closed.
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func NewServer(ctx context.Context, cache source.Cache, stream jsonrpc2.Stream) (context.Context, *Server) {
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s := &Server{}
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ctx, s.Conn, s.client = protocol.NewServer(ctx, stream, s)
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s.session = cache.NewSession(ctx)
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return ctx, s
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}
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// RunServerOnPort starts an LSP server on the given port and does not exit.
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// This function exists for debugging purposes.
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func RunServerOnPort(ctx context.Context, cache source.Cache, port int, h func(ctx context.Context, s *Server)) error {
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return RunServerOnAddress(ctx, cache, fmt.Sprintf(":%v", port), h)
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}
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// RunServerOnPort starts an LSP server on the given port and does not exit.
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// This function exists for debugging purposes.
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func RunServerOnAddress(ctx context.Context, cache source.Cache, addr string, h func(ctx context.Context, s *Server)) error {
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ln, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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for {
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conn, err := ln.Accept()
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if err != nil {
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return err
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}
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h(NewServer(ctx, cache, jsonrpc2.NewHeaderStream(conn, conn)))
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}
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}
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func (s *Server) Run(ctx context.Context) error {
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return s.Conn.Run(ctx)
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}
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type serverState int
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const (
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serverCreated = serverState(iota)
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serverInitializing // set once the server has received "initialize" request
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serverInitialized // set once the server has received "initialized" request
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serverShutDown
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)
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type Server struct {
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Conn *jsonrpc2.Conn
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client protocol.Client
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stateMu sync.Mutex
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state serverState
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// Configurations.
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// TODO(rstambler): Separate these into their own struct?
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usePlaceholders bool
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hoverKind source.HoverKind
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useDeepCompletions bool
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wantCompletionDocumentation bool
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insertTextFormat protocol.InsertTextFormat
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configurationSupported bool
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dynamicConfigurationSupported bool
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preferredContentFormat protocol.MarkupKind
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disabledAnalyses map[string]struct{}
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wantSuggestedFixes bool
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supportedCodeActions map[source.FileKind]map[protocol.CodeActionKind]bool
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textDocumentSyncKind protocol.TextDocumentSyncKind
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session source.Session
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// undelivered is a cache of any diagnostics that the server
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// failed to deliver for some reason.
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undeliveredMu sync.Mutex
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undelivered map[span.URI][]source.Diagnostic
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}
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// General
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func (s *Server) Initialize(ctx context.Context, params *protocol.InitializeParams) (*protocol.InitializeResult, error) {
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return s.initialize(ctx, params)
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}
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func (s *Server) Initialized(ctx context.Context, params *protocol.InitializedParams) error {
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return s.initialized(ctx, params)
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}
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func (s *Server) Shutdown(ctx context.Context) error {
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return s.shutdown(ctx)
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}
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func (s *Server) Exit(ctx context.Context) error {
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return s.exit(ctx)
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}
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// Workspace
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func (s *Server) DidChangeWorkspaceFolders(ctx context.Context, params *protocol.DidChangeWorkspaceFoldersParams) error {
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return s.changeFolders(ctx, params.Event)
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}
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func (s *Server) DidChangeConfiguration(context.Context, *protocol.DidChangeConfigurationParams) error {
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return notImplemented("DidChangeConfiguration")
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}
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func (s *Server) DidChangeWatchedFiles(context.Context, *protocol.DidChangeWatchedFilesParams) error {
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return notImplemented("DidChangeWatchedFiles")
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}
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func (s *Server) Symbol(context.Context, *protocol.WorkspaceSymbolParams) ([]protocol.SymbolInformation, error) {
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return nil, notImplemented("Symbol")
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}
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func (s *Server) ExecuteCommand(context.Context, *protocol.ExecuteCommandParams) (interface{}, error) {
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return nil, notImplemented("ExecuteCommand")
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}
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// Text Synchronization
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func (s *Server) DidOpen(ctx context.Context, params *protocol.DidOpenTextDocumentParams) error {
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return s.didOpen(ctx, params)
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}
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func (s *Server) DidChange(ctx context.Context, params *protocol.DidChangeTextDocumentParams) error {
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return s.didChange(ctx, params)
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}
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func (s *Server) WillSave(context.Context, *protocol.WillSaveTextDocumentParams) error {
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return notImplemented("WillSave")
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}
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func (s *Server) WillSaveWaitUntil(context.Context, *protocol.WillSaveTextDocumentParams) ([]protocol.TextEdit, error) {
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return nil, notImplemented("WillSaveWaitUntil")
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}
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func (s *Server) DidSave(ctx context.Context, params *protocol.DidSaveTextDocumentParams) error {
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return s.didSave(ctx, params)
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}
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func (s *Server) DidClose(ctx context.Context, params *protocol.DidCloseTextDocumentParams) error {
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return s.didClose(ctx, params)
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}
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// Language Features
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func (s *Server) Completion(ctx context.Context, params *protocol.CompletionParams) (*protocol.CompletionList, error) {
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return s.completion(ctx, params)
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}
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func (s *Server) Resolve(ctx context.Context, item *protocol.CompletionItem) (*protocol.CompletionItem, error) {
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return nil, notImplemented("completionItem/resolve")
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}
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func (s *Server) Hover(ctx context.Context, params *protocol.TextDocumentPositionParams) (*protocol.Hover, error) {
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return s.hover(ctx, params)
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}
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func (s *Server) SignatureHelp(ctx context.Context, params *protocol.TextDocumentPositionParams) (*protocol.SignatureHelp, error) {
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return s.signatureHelp(ctx, params)
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}
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func (s *Server) Definition(ctx context.Context, params *protocol.TextDocumentPositionParams) ([]protocol.Location, error) {
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return s.definition(ctx, params)
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}
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func (s *Server) TypeDefinition(ctx context.Context, params *protocol.TextDocumentPositionParams) ([]protocol.Location, error) {
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return s.typeDefinition(ctx, params)
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}
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func (s *Server) Implementation(context.Context, *protocol.TextDocumentPositionParams) ([]protocol.Location, error) {
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return nil, notImplemented("Implementation")
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}
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func (s *Server) References(ctx context.Context, params *protocol.ReferenceParams) ([]protocol.Location, error) {
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return s.references(ctx, params)
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}
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func (s *Server) DocumentHighlight(ctx context.Context, params *protocol.TextDocumentPositionParams) ([]protocol.DocumentHighlight, error) {
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return s.documentHighlight(ctx, params)
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}
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func (s *Server) DocumentSymbol(ctx context.Context, params *protocol.DocumentSymbolParams) ([]protocol.DocumentSymbol, error) {
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return s.documentSymbol(ctx, params)
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}
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func (s *Server) CodeAction(ctx context.Context, params *protocol.CodeActionParams) ([]protocol.CodeAction, error) {
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return s.codeAction(ctx, params)
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}
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func (s *Server) CodeLens(context.Context, *protocol.CodeLensParams) ([]protocol.CodeLens, error) {
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return nil, nil // ignore
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}
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func (s *Server) ResolveCodeLens(context.Context, *protocol.CodeLens) (*protocol.CodeLens, error) {
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return nil, notImplemented("ResolveCodeLens")
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}
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func (s *Server) DocumentLink(ctx context.Context, params *protocol.DocumentLinkParams) ([]protocol.DocumentLink, error) {
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return s.documentLink(ctx, params)
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}
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func (s *Server) ResolveDocumentLink(context.Context, *protocol.DocumentLink) (*protocol.DocumentLink, error) {
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return nil, notImplemented("ResolveDocumentLink")
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}
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func (s *Server) DocumentColor(context.Context, *protocol.DocumentColorParams) ([]protocol.ColorInformation, error) {
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return nil, notImplemented("DocumentColor")
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}
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func (s *Server) ColorPresentation(context.Context, *protocol.ColorPresentationParams) ([]protocol.ColorPresentation, error) {
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return nil, notImplemented("ColorPresentation")
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}
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func (s *Server) Formatting(ctx context.Context, params *protocol.DocumentFormattingParams) ([]protocol.TextEdit, error) {
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return s.formatting(ctx, params)
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}
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func (s *Server) RangeFormatting(ctx context.Context, params *protocol.DocumentRangeFormattingParams) ([]protocol.TextEdit, error) {
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return nil, notImplemented("RangeFormatting")
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}
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func (s *Server) OnTypeFormatting(context.Context, *protocol.DocumentOnTypeFormattingParams) ([]protocol.TextEdit, error) {
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return nil, notImplemented("OnTypeFormatting")
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}
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func (s *Server) Rename(ctx context.Context, params *protocol.RenameParams) (*protocol.WorkspaceEdit, error) {
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return s.rename(ctx, params)
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}
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func (s *Server) Declaration(context.Context, *protocol.TextDocumentPositionParams) ([]protocol.DeclarationLink, error) {
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return nil, notImplemented("Declaration")
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}
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func (s *Server) FoldingRange(context.Context, *protocol.FoldingRangeParams) ([]protocol.FoldingRange, error) {
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return nil, notImplemented("FoldingRange")
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}
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func (s *Server) LogTraceNotification(context.Context, *protocol.LogTraceParams) error {
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return notImplemented("LogtraceNotification")
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}
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func (s *Server) PrepareRename(context.Context, *protocol.TextDocumentPositionParams) (*protocol.Range, error) {
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return nil, notImplemented("PrepareRename")
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}
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func (s *Server) SetTraceNotification(context.Context, *protocol.SetTraceParams) error {
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return notImplemented("SetTraceNotification")
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}
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func (s *Server) SelectionRange(context.Context, *protocol.SelectionRangeParams) ([]protocol.SelectionRange, error) {
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return nil, notImplemented("SelectionRange")
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}
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func notImplemented(method string) *jsonrpc2.Error {
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return jsonrpc2.NewErrorf(jsonrpc2.CodeMethodNotFound, "method %q not yet implemented", method)
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}
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