mirror of
https://github.com/golang/go
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80313e1ba7
Rather than panicking when we have not created any views for the packages, we should show a reasonable error to the user. This change propagates the errors to the user. Updates golang/go#35599 Change-Id: I49789d8ce18e154f111bc3584488f468a129e30c Reviewed-on: https://go-review.googlesource.com/c/tools/+/207344 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Michael Matloob <matloob@golang.org>
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
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) foldingRange(ctx context.Context, params *protocol.FoldingRangeParams) ([]protocol.FoldingRange, 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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f, err := view.GetFile(ctx, uri)
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if err != nil {
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return nil, err
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}
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ranges, err := source.FoldingRange(ctx, view, f, view.Options().LineFoldingOnly)
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if err != nil {
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return nil, err
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}
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return toProtocolFoldingRanges(ranges)
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}
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func toProtocolFoldingRanges(ranges []*source.FoldingRangeInfo) ([]protocol.FoldingRange, error) {
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result := make([]protocol.FoldingRange, 0, len(ranges))
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for _, info := range ranges {
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rng, err := info.Range()
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if err != nil {
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return nil, err
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}
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result = append(result, protocol.FoldingRange{
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StartLine: rng.Start.Line,
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StartCharacter: rng.Start.Character,
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EndLine: rng.End.Line,
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EndCharacter: rng.End.Character,
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Kind: string(info.Kind),
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})
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}
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return result, nil
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}
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