protected override void InitializeWorker(ControllerAnalyzerContext analyzerContext)
{
analyzerContext.Context.RegisterSyntaxNodeAction(context =>
{
var methodSyntax = (MethodDeclarationSyntax)context.Node;
var method = context.SemanticModel.GetDeclaredSymbol(methodSyntax, context.CancellationToken);
if (!analyzerContext.IsControllerAction(method))
{
return;
}
if (!method.IsAsync || !method.ReturnsVoid)
{
return;
}
var returnType = analyzerContext.SystemThreadingTask.ToMinimalDisplayString(
context.SemanticModel,
methodSyntax.ReturnType.SpanStart);
var properties = ImmutableDictionary.Create <string, string>(StringComparer.Ordinal)
.Add(ReturnTypeKey, returnType);
var location = methodSyntax.ReturnType.GetLocation();
context.ReportDiagnostic(Diagnostic.Create(
SupportedDiagnostic,
location,
properties: properties));
}, SyntaxKind.MethodDeclaration);
}
public sealed override void Initialize(AnalysisContext context)
{
context.RegisterCompilationStartAction(compilationContext =>
{
var analyzerContext = new ControllerAnalyzerContext(compilationContext);
// Only do work if ControllerAttribute is defined.
if (analyzerContext.ControllerAttribute == null)
{
return;
}
InitializeWorker(analyzerContext);
});
}
protected abstract void InitializeWorker(ControllerAnalyzerContext analyzerContext);