blob: 068cfa628e6ceb823af25817572f65e5404aa1a6 [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/protocol"
"golang.org/x/tools/internal/lsp/source"
)
func (s *Server) references(ctx context.Context, params *protocol.ReferenceParams) ([]protocol.Location, error) {
uri := params.TextDocument.URI.SpanURI()
view, err := s.session.ViewOf(uri)
if err != nil {
return nil, err
}
snapshot := view.Snapshot()
fh, err := snapshot.GetFile(uri)
if err != nil {
return nil, err
}
// Find all references to the identifier at the position.
if fh.Identity().Kind != source.Go {
return nil, nil
}
references, err := source.References(ctx, view.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
}