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);
}
private void AnalyzeStartupMethods(OperationBlockStartAnalysisContext context, StartupSymbols symbols, ConcurrentBag <StartupComputedAnalysis> analyses)
{
if (!IsStartupFile(context))
{
return;
}
if (context.OwningSymbol.Kind != SymbolKind.Method)
{
return;
}
var startupAnalysisContext = new StartupAnalysisContext(context, symbols);
var method = (IMethodSymbol)context.OwningSymbol;
if (StartupFacts.IsConfigureServices(symbols, method))
{
for (var i = 0; i < ConfigureServicesMethodAnalysisFactories.Length; i++)
{
var analysis = ConfigureServicesMethodAnalysisFactories[i].Invoke(startupAnalysisContext);
analyses.Add(analysis);
OnAnalysisStarted(analysis);
}
OnConfigureServicesMethodFound(method);
}
if (StartupFacts.IsConfigure(symbols, method))
{
for (var i = 0; i < ConfigureMethodAnalysisFactories.Length; i++)
{
var analysis = ConfigureMethodAnalysisFactories[i].Invoke(startupAnalysisContext);
analyses.Add(analysis);
OnAnalysisStarted(analysis);
}
OnConfigureMethodFound(method);
}
}
public static MvcOptionsAnalysis CreateAndInitialize(StartupAnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var analysis = new MvcOptionsAnalysis((IMethodSymbol)context.OperationBlockStartAnalysisContext.OwningSymbol);
context.OperationBlockStartAnalysisContext.RegisterOperationAction(context =>
{
if (context.Operation is ISimpleAssignmentOperation operation &&
operation.Value.ConstantValue.HasValue &&
operation.Target is IPropertyReferenceOperation property &&
property.Member?.Name == SymbolNames.EnableEndpointRoutingProperty)
{
analysis.EndpointRoutingEnabled = operation.Value.ConstantValue.Value as bool?;
}
}, OperationKind.SimpleAssignment);
return(analysis);
}