mirror of https://github.com/golang/go.git
58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
// Copyright 2020 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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"fmt"
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"sort"
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"golang.org/x/tools/internal/event"
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"golang.org/x/tools/internal/lsp/command"
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"golang.org/x/tools/internal/lsp/mod"
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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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)
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func (s *Server) codeLens(ctx context.Context, params *protocol.CodeLensParams) ([]protocol.CodeLens, error) {
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snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.UnknownKind)
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defer release()
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if !ok {
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return nil, err
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}
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var lenses map[command.Command]source.LensFunc
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switch snapshot.View().FileKind(fh) {
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case source.Mod:
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lenses = mod.LensFuncs()
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case source.Go:
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lenses = source.LensFuncs()
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default:
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// Unsupported file kind for a code lens.
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return nil, nil
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}
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var result []protocol.CodeLens
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for cmd, lf := range lenses {
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if !snapshot.View().Options().Codelenses[string(cmd)] {
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continue
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}
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added, err := lf(ctx, snapshot, fh)
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// Code lens is called on every keystroke, so we should just operate in
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// a best-effort mode, ignoring errors.
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if err != nil {
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event.Error(ctx, fmt.Sprintf("code lens %s failed", cmd), err)
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continue
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}
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result = append(result, added...)
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}
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sort.Slice(result, func(i, j int) bool {
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a, b := result[i], result[j]
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if protocol.CompareRange(a.Range, b.Range) == 0 {
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return a.Command.Command < b.Command.Command
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}
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return protocol.CompareRange(a.Range, b.Range) < 0
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})
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return result, nil
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}
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