public MethodInvocationExpression CreateGenericConstructorInvocation(IType classType,
IEnumerable <TypeReference> genericArgs)
{
var gpp = classType as IGenericParametersProvider;
IConstructor constructor;
if (gpp == null || !genericArgs.Any())
{
constructor = classType.GetConstructors().First();
return(CreateConstructorInvocation(constructor));
}
classType = new GenericConstructedType(
classType,
genericArgs.Select(a => a.Entity).Cast <IType>().ToArray());
constructor = classType.GetConstructors().First();
var result = new MethodInvocationExpression {
Target = CreateReference(constructor.DeclaringType)
};
result.Target.Entity = constructor;
result.ExpressionType = constructor.DeclaringType;
return(result);
}
IType GetEnumeratorItemTypeFromAttribute(IType iteratorType)
{
// If iterator type is external get its attributes via reflection
if (iteratorType is ExternalType)
{
return(GetExternalEnumeratorItemType(iteratorType));
}
// If iterator type is a generic constructed type, map its attribute from its definition
GenericConstructedType constructedType = iteratorType as GenericConstructedType;
if (constructedType != null)
{
return(constructedType.GenericMapping.Map(
GetEnumeratorItemTypeFromAttribute(constructedType.GenericDefinition)));
}
// If iterator type is internal get its attributes from its type definition
AbstractInternalType internalType = (AbstractInternalType)iteratorType;
IType enumeratorItemTypeAttribute = Map(typeof(EnumeratorItemTypeAttribute));
foreach (Attribute attribute in internalType.TypeDefinition.Attributes)
{
IConstructor constructor = GetEntity(attribute) as IConstructor;
if (null != constructor)
{
if (constructor.DeclaringType == enumeratorItemTypeAttribute)
{
return(GetType(attribute.Arguments[0]));
}
}
}
return(null);
}