blob: 9ff37e99f9e8e5f2ab5b81cbe3a03a1cd9ef8733 [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/debug/tag"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/telemetry/event"
)
func (s *Server) documentHighlight(ctx context.Context, params *protocol.DocumentHighlightParams) ([]protocol.DocumentHighlight, error) {
snapshot, fh, ok, err := s.beginFileRequest(params.TextDocument.URI, source.Go)
if !ok {
return nil, err
}
rngs, err := source.Highlight(ctx, snapshot, fh, params.Position)
if err != nil {
event.Error(ctx, "no highlight", err, tag.URI.Of(params.TextDocument.URI))
}
return toProtocolHighlight(rngs), nil
}
func toProtocolHighlight(rngs []protocol.Range) []protocol.DocumentHighlight {
result := make([]protocol.DocumentHighlight, 0, len(rngs))
kind := protocol.Text
for _, rng := range rngs {
result = append(result, protocol.DocumentHighlight{
Kind: kind,
Range: rng,
})
}
return result
}