public override ISet <Namespace> GetDescriptor(Namespace instance, Interpreter.AnalysisUnit unit)
{
if (_boundMethod == null)
{
_boundMethod = new BoundBuiltinMethodInfo(this);
}
return(_boundMethod.SelfSet);
}
public override IAnalysisSet GetDescriptor(Node node, AnalysisValue instance, AnalysisValue context, AnalysisUnit unit)
{
if (instance == ProjectState._noneInst)
{
return(base.GetDescriptor(node, instance, context, unit));
}
_boundMethod = _boundMethod ?? new BoundBuiltinMethodInfo(this);
return(_boundMethod.SelfSet);
}
/// <summary>
/// Checks to see if the member is the method that we've inherited from
/// our specialized base class. If it isn't then we should invoke it and
/// use the result rather than using the information tracked in the
/// specialized value.
/// </summary>
private bool ShouldInvokeMethod(AnalysisValue member, string name)
{
BoundBuiltinMethodInfo method = member as BoundBuiltinMethodInfo;
if (method == null)
{
// it's not a builtin function, the method is overridden
return(true);
}
var func = method.Method;
if (func.Name != name)
{
// the function name is wrong, the user may have done something crazy like:
// class C(dict):
// __getitem__ == some_other_builtin_func
return(true);
}
if (func.Function.DeclaringType != null)
{
foreach (var inst in _instances)
{
if (inst.TypeId == func.Function.DeclaringType.TypeId)
{
// the function is the original specialized function, not overridden
return(false);
}
}
}
// The name matches, but the function is from the wrong type.
// The user must have done something like:
// class C(dict):
// __getitem__ = list.__getitem__
return(true);
}