blob: b462eacee8ac8a24c6868adc62a381f214fe5bd9 [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/protocol"
"golang.org/x/tools/gopls/internal/telemetry"
"golang.org/x/tools/internal/event"
"golang.org/x/tools/internal/event/tag"
)
func (s *server) Implementation(ctx context.Context, params *protocol.ImplementationParams) (_ []protocol.Location, rerr error) {
recordLatency := telemetry.StartLatencyTimer("implementation")
defer func() {
recordLatency(ctx, rerr)
}()
ctx, done := event.Start(ctx, "lsp.Server.implementation", tag.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()
if snapshot.FileKind(fh) != file.Go {
return nil, nil // empty result
}
return golang.Implementation(ctx, snapshot, fh, params.Position)
}