--- /dev/null
+// 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) references(ctx context.Context, params *protocol.ReferenceParams) ([]protocol.Location, error) {
+ snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.Go)
+ defer release()
+ if !ok {
+ return nil, err
+ }
+ references, err := source.References(ctx, snapshot, fh, params.Position, params.Context.IncludeDeclaration)
+ if err != nil {
+ return nil, err
+ }
+ var locations []protocol.Location
+ for _, ref := range references {
+ refRange, err := ref.Range()
+ if err != nil {
+ return nil, err
+ }
+ locations = append(locations, protocol.Location{
+ URI: protocol.URIFromSpanURI(ref.URI()),
+ Range: refRange,
+ })
+ }
+ return locations, nil
+}