/// <summary>
/// Rewrites all members in the document.
/// </summary>
public SyntaxNode Process(SyntaxNode syntax, ProcessorContext context)
{
var virtualEvents = new HashSet <string>();
var semantic = context.Compilation.GetSemanticModel(syntax.SyntaxTree);
if (semantic != null)
{
var events = new EventVisitor();
events.Visit(syntax);
foreach (var symbol in events.Types.SelectMany(type => semantic
.LookupNamespacesAndTypes(type.Span.Start, name: type.Identifier.ValueText)
.OfType <INamedTypeSymbol>()).Where(x => x != null))
{
var baseType = symbol.BaseType;
while (baseType != null)
{
foreach (var e in baseType.GetMembers().OfType <IEventSymbol>().Where(e => e.IsVirtual))
{
virtualEvents.Add(e.Name);
}
baseType = baseType.BaseType;
}
}
}
return(syntax = new CSharpRewriteVisitor(virtualEvents).Visit(syntax));
}
private static void VisitEvents(Thing thing, IEnumerable <IInterceptorFactory> factories)
{
var intercepts = factories
.Select(x => x.CreatEventIntercept())
.ToArray();
EventVisitor.Visit(intercepts, thing);
}
/// <summary>
/// Accept a visit by the given visitor.
/// </summary>
public override TResult Accept <TResult, TData>(EventVisitor <TResult, TData> visitor, TData data)
{
return(visitor.Visit(this, data));
}