protected override Expression VisitSingleton(SingletonCallSite singletonCallSite, CallSiteExpressionBuilderContext context)
{
if (TryResolveSingletonValue(singletonCallSite, out var value))
{
return(Expression.Constant(value));
}
return(Expression.Call(
Expression.Constant(_runtimeResolver),
CallSiteRuntimeResolverResolve,
Expression.Constant(singletonCallSite, typeof(IServiceCallSite)),
context.ScopeParameter));
}
protected override Expression VisitSingleton(SingletonCallSite singletonCallSite, ILEmitResolverBuilderContext argument)
{
if (TryResolveSingletonValue(singletonCallSite, out var value))
{
AddConstant(argument, value);
return(null);
}
// this.RuntimeResolver.Resolve(singletonCallSite)
argument.Generator.Emit(OpCodes.Ldarg_0);
argument.Generator.Emit(OpCodes.Ldfld, RuntimeResolverField);
AddConstant(argument, singletonCallSite);
argument.Generator.Emit(OpCodes.Ldarg_0);
argument.Generator.Emit(OpCodes.Ldfld, RootField);
argument.Generator.Emit(OpCodes.Callvirt, ExpressionResolverBuilder.CallSiteRuntimeResolverResolve);
return(null);
}
protected override Type VisitSingleton(SingletonCallSite singletonCallSite, CallSiteValidatorState state)
{
state.Singleton = singletonCallSite;
return(VisitCallSite(singletonCallSite.ServiceCallSite, state));
}
protected abstract TResult VisitSingleton(SingletonCallSite singletonCallSite, TArgument argument);
protected override object VisitSingleton(SingletonCallSite singletonCallSite, ServiceProvider provider)
{
return(VisitScoped(singletonCallSite, provider.Root));
}
protected override object VisitSingleton(SingletonCallSite singletonCallSite, ServiceProviderEngineScope scope)
{
return(VisitScoped(singletonCallSite, scope.Engine.Root));
}
