mirror of
https://github.com/golang/go
synced 2024-11-19 01:44:40 -07:00
156eb2ae29
This is a straight move of some code with no changes. It splits the part of the telemetry code that will become a standalone library from the bit that belongs in the lsp. Change-Id: Icedb6bf1f3711da9251450531729984df6df7787 Reviewed-on: https://go-review.googlesource.com/c/tools/+/190403 Run-TryBot: Ian Cottrell <iancottrell@google.com> Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
// 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"
|
|
"golang.org/x/tools/internal/span"
|
|
"golang.org/x/tools/internal/telemetry/log"
|
|
"golang.org/x/tools/internal/telemetry/tag"
|
|
)
|
|
|
|
func (s *Server) documentHighlight(ctx context.Context, params *protocol.TextDocumentPositionParams) ([]protocol.DocumentHighlight, error) {
|
|
uri := span.NewURI(params.TextDocument.URI)
|
|
view := s.session.ViewOf(uri)
|
|
f, m, err := getGoFile(ctx, view, uri)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
spn, err := m.PointSpan(params.Position)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rng, err := spn.Range(m.Converter)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
spans, err := source.Highlight(ctx, f, rng.Start)
|
|
if err != nil {
|
|
log.Error(ctx, "no highlight", err, tag.Of("Span", spn))
|
|
}
|
|
return toProtocolHighlight(m, spans), nil
|
|
}
|
|
|
|
func toProtocolHighlight(m *protocol.ColumnMapper, spans []span.Span) []protocol.DocumentHighlight {
|
|
result := make([]protocol.DocumentHighlight, 0, len(spans))
|
|
kind := protocol.Text
|
|
for _, span := range spans {
|
|
r, err := m.Range(span)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
h := protocol.DocumentHighlight{Kind: &kind, Range: r}
|
|
result = append(result, h)
|
|
}
|
|
return result
|
|
}
|