private async static Task<Document> MakeMethodNonAsyncAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
var node = root.FindNode(diagnostic.Location.SourceSpan);
var methodDeclaration = node.FirstAncestorOrSelfOfType<MethodDeclarationSyntax>();
var rewriter = new ReturnTaskFromResultRewriter();
var asyncKeyword = methodDeclaration.Modifiers.First(t => t.Kind() == SyntaxKind.AsyncKeyword);
var newMethodDeclaration =
methodDeclaration
.WithModifiers(methodDeclaration.Modifiers.Remove(asyncKeyword))
.WithBody((BlockSyntax) rewriter.VisitBlock(methodDeclaration.Body));
var newRoot = root.ReplaceNode(methodDeclaration, newMethodDeclaration);
return document.WithSyntaxRoot(newRoot);
}
private async static Task <Document> MakeMethodNonAsyncAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
var node = root.FindNode(diagnostic.Location.SourceSpan);
var methodDeclaration = node.FirstAncestorOrSelfOfType <MethodDeclarationSyntax>();
var rewriter = new ReturnTaskFromResultRewriter();
var asyncKeyword = methodDeclaration.Modifiers.First(t => t.Kind() == SyntaxKind.AsyncKeyword);
var newMethodDeclaration =
methodDeclaration
.WithModifiers(methodDeclaration.Modifiers.Remove(asyncKeyword))
.WithBody((BlockSyntax)rewriter.VisitBlock(methodDeclaration.Body));
var newRoot = root.ReplaceNode(methodDeclaration, newMethodDeclaration);
return(document.WithSyntaxRoot(newRoot));
}
