private static ConstructorInfo FindConstructorOfClosedConstructedGenericType(ResolveExpressionContext context, ConstructorInstantiationInfo instantiationInfo)
{
var constructors = context.ResolvedGenericRegistrationTypeInfo.DeclaredConstructors.AsReadOnlyList();
var targetConstructor = context.FindResolvedGenericMethod(instantiationInfo.ConstructorInfo, constructors);
if (targetConstructor != null)
{
return(targetConstructor);
}
throw new ResolveException($"The constructor for the closed constructed generic type \"{context.RequestedType}\" that matches the generic type definition's constructor \"{instantiationInfo.ConstructorInfo}\" could not be found. This exception should actually never happen, unless there is a bug in class \"{nameof(ConstructorInstantiationInfoFactory)}\" or you messed with the .NET type system badly.");
}
protected override Expression Create(StaticMethodInstantiationInfo instantiationInfo, ResolveExpressionContext context, Expression[] parameterExpressions)
{
if (instantiationInfo.TypeKey.Type.IsGenericTypeDefinition() == false)
{
return(Expression.Call(instantiationInfo.StaticMethod, parameterExpressions));
}
if (instantiationInfo.StaticMethod.DeclaringType.IsGenericTypeDefinition())
{
var closedConstructedStaticType = instantiationInfo.StaticMethod.DeclaringType.MakeGenericType(context.ResolvedGenericRegistrationTypeInfo.GenericTypeArguments);
var closedConstructedMethods = closedConstructedStaticType.GetTypeInfo().GetDeclaredMethods(instantiationInfo.StaticMethod.Name).AsReadOnlyList();
var staticMethodOfClosedConstructedStaticType = context.FindResolvedGenericMethod(instantiationInfo.StaticMethod, closedConstructedMethods);
if (staticMethodOfClosedConstructedStaticType != null)
{
return(Expression.Call(staticMethodOfClosedConstructedStaticType, parameterExpressions));
}
throw new ResolveException($"The static method \"{instantiationInfo.StaticMethod}\" could not be found for the closed constructed type \"{closedConstructedStaticType}\". This exception should actually never happen, unless there is a bug in class \"{nameof(StaticMethodInstantiationInfoFactory)}\" or you messed with the .NET type system badly.");
}
var closedConstructedGenericMethod = instantiationInfo.StaticMethod.MakeGenericMethod(context.ResolvedGenericRegistrationTypeInfo.GenericTypeArguments);
return(Expression.Call(closedConstructedGenericMethod, parameterExpressions));
}