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https://github.com/golang/go
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a8576e2603
This starts hooking up the analysis framework into the LSP. It runs the Tests analysis (which I think might be the only one that doesn't need facts or results) and reports its diagnostics if there are no parse or typecheck failures. Next step: figure out how to pass through results. Change-Id: I21702d1cf5d54da399df54437f556b9351caa864 Reviewed-on: https://go-review.googlesource.com/c/161358 Run-TryBot: Rebecca Stambler <rstambler@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
79 lines
2.1 KiB
Go
79 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, 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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source := diag.Source
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if source == "" {
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source = "LSP"
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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: source,
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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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