private void SyntaxNodeAction(SyntaxNodeAnalysisContext tree)
{
var prop = tree.Node as PropertyDeclarationSyntax;
if (!prop.FirstAncestorOrSelf <ClassDeclarationSyntax>().ImplementsType("INotifyPropertyChanged"))
{
return;
}
var accessors = prop.AccessorList.Accessors;
if (accessors.Count < 2)
{
return;
}
if (OnPropertyChangedCallHelper.CallsOnPropertyChanged(accessors[1]))
{
return;
}
var diag = Diagnostic.Create(Rule, prop.Identifier.GetLocation());
tree.ReportDiagnostic(diag);
}
public async override Task RegisterCodeFixesAsync(CodeFixContext context)
{
var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
// TODO: Replace the following code with your own analysis, generating a CodeAction for each fix to suggest
var diagnostic = context.Diagnostics.First();
var diagnosticSpan = diagnostic.Location.SourceSpan;
// Find the type declaration identified by the diagnostic.
var declaration = root.FindToken(diagnosticSpan.Start).Parent.AncestorsAndSelf().OfType <TypeDeclarationSyntax>().First();
// Register a code action that will invoke the fix.
context.RegisterCodeFix(
CodeAction.Create(
title: title,
createChangedDocument: c => OnPropertyChangedCallHelper.AddCallToOnPropertyChangedInProp(context.Document, diagnostic, root),
equivalenceKey: title),
diagnostic);
}