blob: 1a3c0864d33cc93783de360acd5d1bcbf97ad9cb [file] [log] [blame]
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package server
import (
"context"
"fmt"
"sync"
"golang.org/x/tools/gopls/internal/cache"
"golang.org/x/tools/gopls/internal/protocol"
"golang.org/x/tools/internal/event"
)
func (s *server) DidChangeWorkspaceFolders(ctx context.Context, params *protocol.DidChangeWorkspaceFoldersParams) error {
for _, folder := range params.Event.Removed {
dir, err := protocol.ParseDocumentURI(folder.URI)
if err != nil {
return fmt.Errorf("invalid folder %q: %v", folder.URI, err)
}
if !s.session.RemoveView(dir) {
return fmt.Errorf("view %q for %v not found", folder.Name, folder.URI)
}
}
s.addFolders(ctx, params.Event.Added)
return nil
}
// addView returns a Snapshot and a release function that must be
// called when it is no longer needed.
func (s *server) addView(ctx context.Context, name string, dir protocol.DocumentURI) (*cache.Snapshot, func(), error) {
s.stateMu.Lock()
state := s.state
s.stateMu.Unlock()
if state < serverInitialized {
return nil, nil, fmt.Errorf("addView called before server initialized")
}
folder, err := s.newFolder(ctx, dir, name)
if err != nil {
return nil, nil, err
}
_, snapshot, release, err := s.session.NewView(ctx, folder)
return snapshot, release, err
}
func (s *server) DidChangeConfiguration(ctx context.Context, _ *protocol.DidChangeConfigurationParams) error {
ctx, done := event.Start(ctx, "lsp.Server.didChangeConfiguration")
defer done()
var wg sync.WaitGroup
wg.Add(1)
defer wg.Done()
if s.Options().VerboseWorkDoneProgress {
work := s.progress.Start(ctx, DiagnosticWorkTitle(FromDidChangeConfiguration), "Calculating diagnostics...", nil, nil)
go func() {
wg.Wait()
work.End(ctx, "Done.")
}()
}
// Apply any changes to the session-level settings.
options, err := s.fetchFolderOptions(ctx, "")
if err != nil {
return err
}
s.SetOptions(options)
// Collect options for all workspace folders.
seen := make(map[protocol.DocumentURI]bool)
var newFolders []*cache.Folder
for _, view := range s.session.Views() {
folder := view.Folder()
if seen[folder.Dir] {
continue
}
seen[folder.Dir] = true
newFolder, err := s.newFolder(ctx, folder.Dir, folder.Name)
if err != nil {
return err
}
newFolders = append(newFolders, newFolder)
}
s.session.UpdateFolders(ctx, newFolders)
// The view set may have been updated above.
viewsToDiagnose := make(map[*cache.View][]protocol.DocumentURI)
for _, view := range s.session.Views() {
viewsToDiagnose[view] = nil
}
modCtx, modID := s.needsDiagnosis(ctx, viewsToDiagnose)
wg.Add(1)
go func() {
s.diagnoseChangedViews(modCtx, modID, viewsToDiagnose, FromDidChangeConfiguration)
wg.Done()
}()
// An options change may have affected the detected Go version.
s.checkViewGoVersions()
return nil
}