blob: cef0638ff54c6d3c396d2eba4044641db2f9fff2 [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 lsp
import (
"context"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
)
func (s *Server) rename(ctx context.Context, params *protocol.RenameParams) (*protocol.WorkspaceEdit, error) {
snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.Go)
defer release()
if !ok {
return nil, err
}
edits, err := source.Rename(ctx, snapshot, fh, params.Position, params.NewName)
if err != nil {
return nil, err
}
var docChanges []protocol.TextDocumentEdit
for uri, e := range edits {
fh, err := snapshot.GetVersionedFile(ctx, uri)
if err != nil {
return nil, err
}
docChanges = append(docChanges, documentChanges(fh, e)...)
}
return &protocol.WorkspaceEdit{
DocumentChanges: docChanges,
}, nil
}
func (s *Server) prepareRename(ctx context.Context, params *protocol.PrepareRenameParams) (*protocol.Range, error) {
snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.Go)
defer release()
if !ok {
return nil, err
}
// Do not return errors here, as it adds clutter.
// Returning a nil result means there is not a valid rename.
item, err := source.PrepareRename(ctx, snapshot, fh, params.Position)
if err != nil {
return nil, nil // ignore errors
}
// TODO(suzmue): return ident.Name as the placeholder text.
return &item.Range, nil
}