blob: 35ffc2db2f5e1bdfb6b396054a40fc4b08e710bc [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"
"golang.org/x/tools/gopls/internal/file"
"golang.org/x/tools/gopls/internal/golang"
"golang.org/x/tools/gopls/internal/label"
"golang.org/x/tools/gopls/internal/protocol"
"golang.org/x/tools/gopls/internal/template"
"golang.org/x/tools/internal/event"
)
func (s *server) DocumentHighlight(ctx context.Context, params *protocol.DocumentHighlightParams) ([]protocol.DocumentHighlight, error) {
ctx, done := event.Start(ctx, "lsp.Server.documentHighlight", label.URI.Of(params.TextDocument.URI))
defer done()
fh, snapshot, release, err := s.fileOf(ctx, params.TextDocument.URI)
if err != nil {
return nil, err
}
defer release()
switch snapshot.FileKind(fh) {
case file.Tmpl:
return template.Highlight(ctx, snapshot, fh, params.Position)
case file.Go:
rngs, err := golang.Highlight(ctx, snapshot, fh, params.Position)
if err != nil {
event.Error(ctx, "no highlight", err)
}
return rngs, nil
}
return nil, nil // empty result
}