mirror of https://github.com/golang/go.git
109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
// Copyright 2019 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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"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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func (s *Server) didChangeWorkspaceFolders(ctx context.Context, params *protocol.DidChangeWorkspaceFoldersParams) error {
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event := params.Event
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for _, folder := range event.Removed {
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view := s.session.View(folder.Name)
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if view != nil {
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view.Shutdown(ctx)
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} else {
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return fmt.Errorf("view %s for %v not found", folder.Name, folder.URI)
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}
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}
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return s.addFolders(ctx, event.Added)
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}
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func (s *Server) addView(ctx context.Context, name string, uri span.URI) (source.Snapshot, func(), error) {
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s.stateMu.Lock()
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state := s.state
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s.stateMu.Unlock()
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if state < serverInitialized {
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return nil, func() {}, fmt.Errorf("addView called before server initialized")
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}
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options := s.session.Options().Clone()
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if err := s.fetchConfig(ctx, name, uri, options); err != nil {
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return nil, func() {}, err
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}
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_, snapshot, release, err := s.session.NewView(ctx, name, uri, options)
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return snapshot, release, err
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}
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func (s *Server) didChangeConfiguration(ctx context.Context, _ *protocol.DidChangeConfigurationParams) error {
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// Apply any changes to the session-level settings.
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options := s.session.Options().Clone()
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semanticTokensRegistered := options.SemanticTokens
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if err := s.fetchConfig(ctx, "", "", options); err != nil {
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return err
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}
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s.session.SetOptions(options)
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// Go through each view, getting and updating its configuration.
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for _, view := range s.session.Views() {
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options := s.session.Options().Clone()
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if err := s.fetchConfig(ctx, view.Name(), view.Folder(), options); err != nil {
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return err
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}
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view, err := view.SetOptions(ctx, options)
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if err != nil {
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return err
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}
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go func() {
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snapshot, release := view.Snapshot(ctx)
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defer release()
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s.diagnoseDetached(snapshot)
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}()
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}
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registration := semanticTokenRegistration(options.SemanticTypes, options.SemanticMods)
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// Update any session-specific registrations or unregistrations.
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if !semanticTokensRegistered && options.SemanticTokens {
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if err := s.client.RegisterCapability(ctx, &protocol.RegistrationParams{
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Registrations: []protocol.Registration{registration},
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}); err != nil {
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return err
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}
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} else if semanticTokensRegistered && !options.SemanticTokens {
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if err := s.client.UnregisterCapability(ctx, &protocol.UnregistrationParams{
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Unregisterations: []protocol.Unregistration{
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{
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ID: registration.ID,
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Method: registration.Method,
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},
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},
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}); err != nil {
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return err
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}
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}
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return nil
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}
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func semanticTokenRegistration(tokenTypes, tokenModifiers []string) protocol.Registration {
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return protocol.Registration{
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ID: "textDocument/semanticTokens",
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Method: "textDocument/semanticTokens",
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RegisterOptions: &protocol.SemanticTokensOptions{
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Legend: protocol.SemanticTokensLegend{
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// TODO(pjw): trim these to what we use (and an unused one
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// at position 0 of TokTypes, to catch typos)
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TokenTypes: tokenTypes,
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TokenModifiers: tokenModifiers,
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},
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Full: true,
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Range: true,
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},
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}
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}
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