private bool AreCompatible(GenericParameterDescriptor oldParameter, GenericParameterDescriptor newParameter)
{
return(((newParameter.New && oldParameter.New) || !newParameter.New) &&
((newParameter.Class && oldParameter.Class) || !newParameter.Class) &&
((newParameter.Struct && oldParameter.Struct) || !newParameter.Struct) &&
newParameter.BaseTypeOrInterfaces.Count == oldParameter.BaseTypeOrInterfaces.Count &&
newParameter.BaseTypeOrInterfaces.All(btoi => oldParameter.BaseTypeOrInterfaces.Contains(btoi)));
}
private static IEnumerable <GenericParameterDescriptor> GetGenericConstraintsFor(TypeInfo[] genericArguments)
{
foreach (var typeArgument in genericArguments)
{
var constraintDescriptor = new GenericParameterDescriptor
{
Source = typeArgument
};
if (typeArgument.IsGenericParameter)
{
if (typeArgument.BaseType != null &&
typeArgument.BaseType != typeof(object) &&
typeArgument.BaseType != typeof(ValueType))
{
constraintDescriptor.BaseTypeOrInterfaces.Add(TypeDescriptor.GetTypeNameFor(typeArgument.BaseType.GetTypeInfo()));
}
foreach (var interfaceType in TypeDescriptor.GetImplementedInterfacesFor(typeArgument))
{
constraintDescriptor.BaseTypeOrInterfaces.Add(TypeDescriptor.GetTypeNameFor(interfaceType));
}
constraintDescriptor.ParameterName = typeArgument.Name;
constraintDescriptor.ParameterPosition = typeArgument.GenericParameterPosition;
constraintDescriptor.New = (typeArgument.GenericParameterAttributes & GenericParameterAttributes.DefaultConstructorConstraint) == GenericParameterAttributes.DefaultConstructorConstraint;
constraintDescriptor.Class = (typeArgument.GenericParameterAttributes & GenericParameterAttributes.ReferenceTypeConstraint) == GenericParameterAttributes.ReferenceTypeConstraint;
constraintDescriptor.Struct = (typeArgument.GenericParameterAttributes & GenericParameterAttributes.NotNullableValueTypeConstraint) == GenericParameterAttributes.NotNullableValueTypeConstraint;
}
else
{
constraintDescriptor.ParameterName = TypeDescriptor.GetTypeNameFor(typeArgument);
}
yield return(constraintDescriptor);
}
}
