System.Xml.Xsl.IlGen.XmlILVisitor.CreateContainerIterator C# (CSharp) Method

        private void CreateContainerIterator(QilUnary ndDod, string iterName, Type iterType, MethodInfo methCreate, MethodInfo methNext,
                                                   XmlNodeKindFlags kinds, QilName ndName, TriState orSelf) {
            // Iterator iter;
            LocalBuilder locIter = this.helper.DeclareLocal(iterName, iterType);
            Label lblOnEndNested;
            QilLoop ndLoop = (QilLoop) ndDod.Child;
            Debug.Assert(ndDod.NodeType == QilNodeType.DocOrderDistinct && ndLoop != null);

            // iter.Create(filter [, orSelf]);
            this.helper.Emit(OpCodes.Ldloca, locIter);
            LoadSelectFilter(kinds, ndName);
            if (orSelf != TriState.Unknown)
                this.helper.LoadBoolean(orSelf == TriState.True);
            this.helper.Call(methCreate);

            // Generate nested iterator (branch to lblOnEndNested when iteration is complete)
            lblOnEndNested = this.helper.DefineLabel();
            StartNestedIterator(ndLoop, lblOnEndNested);
            StartBinding(ndLoop.Variable);
            EndBinding(ndLoop.Variable);
            EndNestedIterator(ndLoop.Variable);
            this.iterCurr.Storage = this.iterNested.Storage;

            GenerateContainerIterator(ndDod, locIter, lblOnEndNested, methNext, typeof(XPathNavigator));
        }