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https://github.com/golang/go
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85a09cd5ed
Refactor code as a follow-up to https://go-review.googlesource.com/c/tools/+/154742. Also, change every instance of "source.URI()" to "fromProtocolURI", so that we can add a better implementation of that later on (for Windows support). Change-Id: Ifa24ffd7e1aebf1f7d05df6f65742769ead0922f Reviewed-on: https://go-review.googlesource.com/c/154741 Reviewed-by: Ian Cottrell <iancottrell@google.com> Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
// Copyright 2018 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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"sort"
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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) cacheAndDiagnose(ctx context.Context, uri protocol.DocumentURI, content string) {
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sourceURI := fromProtocolURI(uri)
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if err := s.setContent(ctx, sourceURI, []byte(content)); err != nil {
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return // handle error?
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}
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go func() {
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reports, err := source.Diagnostics(ctx, s.view, sourceURI)
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if err != nil {
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return // handle error?
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}
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for filename, diagnostics := range reports {
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uri := source.ToURI(filename)
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s.client.PublishDiagnostics(ctx, &protocol.PublishDiagnosticsParams{
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URI: protocol.DocumentURI(uri),
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Diagnostics: toProtocolDiagnostics(ctx, s.view, uri, diagnostics),
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})
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}
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}()
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}
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func (s *server) setContent(ctx context.Context, uri source.URI, content []byte) error {
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v, err := s.view.SetContent(ctx, uri, content)
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if err != nil {
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return err
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}
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s.viewMu.Lock()
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s.view = v
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s.viewMu.Unlock()
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return nil
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}
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func toProtocolDiagnostics(ctx context.Context, v source.View, uri source.URI, diagnostics []source.Diagnostic) []protocol.Diagnostic {
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reports := []protocol.Diagnostic{}
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for _, diag := range diagnostics {
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f, err := v.GetFile(ctx, uri)
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if err != nil {
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continue // handle error?
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}
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tok, err := f.GetToken()
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if err != nil {
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continue // handle error?
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}
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reports = append(reports, protocol.Diagnostic{
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Message: diag.Message,
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Range: toProtocolRange(tok, diag.Range),
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Severity: protocol.SeverityError, // all diagnostics have error severity for now
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Source: "LSP",
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})
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}
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return reports
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}
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func sorted(d []protocol.Diagnostic) {
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sort.Slice(d, func(i int, j int) bool {
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if d[i].Range.Start.Line == d[j].Range.Start.Line {
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if d[i].Range.Start.Character == d[j].Range.Start.Character {
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return d[i].Message < d[j].Message
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}
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return d[i].Range.Start.Character < d[j].Range.Start.Character
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}
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return d[i].Range.Start.Line < d[j].Range.Start.Line
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})
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}
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