public static MiddlewareAnalysis CreateAndInitialize(StartupAnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var symbols = context.StartupSymbols;
var analysis = new MiddlewareAnalysis((IMethodSymbol)context.OperationBlockStartAnalysisContext.OwningSymbol);
var middleware = ImmutableArray.CreateBuilder <MiddlewareItem>();
context.OperationBlockStartAnalysisContext.RegisterOperationAction(context =>
{
// We're looking for usage of extension methods, so we need to look at the 'this' parameter
// rather than invocation.Instance.
if (context.Operation is IInvocationOperation invocation &&
invocation.Instance == null &&
invocation.Arguments.Length >= 1 &&
invocation.Arguments[0].Parameter?.Type == symbols.IApplicationBuilder)
{
middleware.Add(new MiddlewareItem(invocation));
}
}, OperationKind.Invocation);
context.OperationBlockStartAnalysisContext.RegisterOperationBlockEndAction(context =>
{
analysis.Middleware = middleware.ToImmutable();
});
return(analysis);
}
internal static void OnMiddlewareAnalysisCompleted(MiddlewareAnalysis analysis)
{
MiddlewareAnalysisCompleted?.Invoke(null, analysis);
}
internal void OnMiddlewareAnalysisCompleted(MiddlewareAnalysis analysis)
{
MiddlewareAnalysisCompleted?.Invoke(this, analysis);
StartupAnalyzerEventSink.OnMiddlewareAnalysisCompleted(analysis);
}
public void ReportAnalysis(MiddlewareAnalysis analysis)
{
ReportAnalysisCore(analysis.StartupType, analysis);
_analyzer.OnMiddlewareAnalysisCompleted(analysis);
}
internal void OnMiddlewareAnalysisCompleted(MiddlewareAnalysis analysis)
{
MiddlewareAnalysisCompleted?.Invoke(this, analysis);
}