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f0a709d59f
This change adds severity levels to source.Diagnostics, allowing us to pass this information along to the LSP. This allows compiler errors to show up in red, while vet results show up in green. Change-Id: I2bc0b27ed6629f987c05affe00fdbe4b9bfb3b3e Reviewed-on: https://go-review.googlesource.com/c/164299 Run-TryBot: Rebecca Stambler <rstambler@golang.org> Reviewed-by: Michael Matloob <matloob@golang.org>
86 lines
2.2 KiB
Go
86 lines
2.2 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, err := fromProtocolURI(uri)
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if err != nil {
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return // handle error?
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}
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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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s.client.PublishDiagnostics(ctx, &protocol.PublishDiagnosticsParams{
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URI: protocol.DocumentURI(source.ToURI(filename)),
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Diagnostics: toProtocolDiagnostics(ctx, s.view, 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, diagnostics []source.Diagnostic) []protocol.Diagnostic {
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reports := []protocol.Diagnostic{}
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for _, diag := range diagnostics {
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tok := v.FileSet().File(diag.Start)
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src := diag.Source
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if src == "" {
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src = "LSP"
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}
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var severity protocol.DiagnosticSeverity
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switch diag.Severity {
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case source.SeverityError:
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severity = protocol.SeverityError
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case source.SeverityWarning:
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severity = protocol.SeverityWarning
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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: severity,
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Source: src,
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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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