protected void Inherit(CodeType extend, FileDiagnostics diagnostics, DocRange range)
{
if (extend == null)
{
throw new ArgumentNullException(nameof(extend));
}
string errorMessage = null;
if (!extend.CanBeExtended)
{
errorMessage = "Type '" + extend.Name + "' cannot be inherited.";
}
else if (extend == this)
{
errorMessage = "Cannot extend self.";
}
else if (extend.Implements(this))
{
errorMessage = $"The class {extend.Name} extends this class.";
}
if (errorMessage != null)
{
if (diagnostics == null || range == null)
{
throw new Exception(errorMessage);
}
else
{
diagnostics.Error(errorMessage, range);
return;
}
}
Extends = extend;
}
protected override bool DoesImplement(CodeType type) => base.DoesImplement(type) || type.Implements(_supplier.Boolean());
public static bool IsAny(ITypeSupplier supplier, CodeType type) => type.Implements(supplier.Any());
