/// <exception cref="ArgumentException">
/// Cannot create <see cref="Nesting"/> between
/// <paramref name="first"/> and <paramref name="second"/>.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="first"/> is null.-or-
/// <paramref name="second"/> is null.
/// </exception>
private static Relation AddNesting(FieldContainer first, TypeBase second)
{
Nesting nesting = new Nesting(first, second);
second.Parent = first;
return(nesting);
}
/// <exception cref="ArgumentException">
/// Cannot create <see cref="Nesting"/> between
/// <paramref name="parentClass"/> and <paramref name="nestedType"/>.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="first"/> is null.-or-
/// <paramref name="second"/> is null.
/// </exception>
internal Nesting(FieldContainer parentClass, TypeBase nestedType)
: base(parentClass, nestedType)
{
if (parentClass == nestedType)
{
throw new ArgumentException("The class cannot contain itself.");
}
if (parentClass is ClassType && ((ClassType)parentClass).Base == nestedType)
{
throw new ArgumentException("Nested class cannot be base class.");
}
if (parentClass.Language == Language.CSharp && nestedType is ClassType &&
((ClassType)nestedType).Base == parentClass)
{
throw new ArgumentException("Nested class cannot be child class.");
}
if (nestedType.IsNested)
{
throw new ArgumentException(
"Nested types cannot have multiple parents.", "nestedType");
}
}