public async Task <ImmutableArray <Diagnostic> > GetDiagnosticsAsync(Document document, CancellationToken cancellationToken)
{
var lspClient = _roslynLspClientServiceFactory.ActiveLanguageServerClient;
if (lspClient == null)
{
return(ImmutableArray <Diagnostic> .Empty);
}
var textDocumentParams = new TextDocumentParams
{
TextDocument = new LSP.TextDocumentIdentifier
{
Uri = lspClient.ProtocolConverter.ToProtocolUri(new Uri(document.FilePath))
}
};
var request = new LSP.LspRequest <TextDocumentParams, RoslynDiagnostic[]>(Methods.GetDocumentDiagnosticsName);
var lspDiagnostics = await lspClient.RequestAsync(request, textDocumentParams, cancellationToken).ConfigureAwait(false);
if (lspDiagnostics == null)
{
return(ImmutableArray <Diagnostic> .Empty);
}
var text = await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
var diagnostics = ImmutableArray.CreateBuilder <Diagnostic>();
foreach (var diagnostic in lspDiagnostics)
{
var location = Location.Create(document.FilePath, ProtocolConversions.RangeToTextSpan(diagnostic.Range, text),
ProtocolConversions.RangeToLinePositionSpan(diagnostic.Range));
var severity = ToDiagnosticSeverity(diagnostic.Severity);
var diag = Diagnostic.Create(diagnostic.Code ?? "VSLS", string.Empty, diagnostic.Message, severity, severity,
true, severity == DiagnosticSeverity.Error ? 0 : 1, location: location, customTags: diagnostic.Tags);
diagnostics.Add(diag);
}
return(diagnostics.ToImmutableArray());
}
