protected override Expression VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, ParameterExpression provider)
{
return(Expression.New(typeof(ServiceScopeFactory).GetTypeInfo()
.DeclaredConstructors
.Single(),
provider));
}
protected override object VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, ILEmitResolverBuilderContext argument)
{
// this.ScopeFactory
argument.Generator.Emit(OpCodes.Ldarg_0);
argument.Generator.Emit(OpCodes.Ldfld, typeof(ILEmitResolverBuilderRuntimeContext).GetField(nameof(ILEmitResolverBuilderRuntimeContext.ScopeFactory)));
return(null);
}
protected abstract TResult VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, TArgument argument);
protected override Type VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, CallSiteValidatorState state) => null;
protected override object VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, RuntimeResolverContext context)
{
return(context.Scope.Engine);//直接返回容器内的ServiceProviderEngine
}
protected override Expression VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, object context)
{
return(Expression.Constant(_serviceScopeFactory));
}
protected override object VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, ServiceProvider2 provider)
{
return(new ServiceScopeFactory(provider));
}
protected override object VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, ServiceProviderEngineScope scope)
{
return(scope.Engine);
}
protected override object VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, ILEmitResolverBuilderContext argument)
{
AddConstant(argument, serviceScopeFactoryCallSite.Value);
return(null);
}
