mirror of https://github.com/golang/go.git
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package lsp
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import (
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"context"
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"golang.org/x/tools/internal/lsp/protocol"
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"golang.org/x/tools/internal/lsp/source"
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"golang.org/x/tools/internal/span"
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)
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func (s *Server) references(ctx context.Context, params *protocol.ReferenceParams) ([]protocol.Location, error) {
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uri := span.NewURI(params.TextDocument.URI)
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view, err := s.session.ViewOf(uri)
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if err != nil {
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return nil, err
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}
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snapshot := view.Snapshot()
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fh, err := snapshot.GetFile(uri)
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if err != nil {
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return nil, err
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}
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// Find all references to the identifier at the position.
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if fh.Identity().Kind != source.Go {
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return nil, nil
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}
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references, err := source.References(ctx, view.Snapshot(), fh, params.Position, params.Context.IncludeDeclaration)
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if err != nil {
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return nil, err
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}
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var locations []protocol.Location
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for _, ref := range references {
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refRange, err := ref.Range()
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if err != nil {
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return nil, err
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}
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locations = append(locations, protocol.Location{
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URI: protocol.NewURI(ref.URI()),
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Range: refRange,
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})
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}
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return locations, nil
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}
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