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

        private void EndNestedIterator(QilNode nd) {
            Debug.Assert(this.iterCurr.Storage.Location == ItemLocation.None ||
                         this.iterCurr.Storage.ItemStorageType == GetItemStorageType(nd) ||
                         this.iterCurr.Storage.ItemStorageType == typeof(XPathItem) ||
                         nd.XmlType.TypeCode == XmlTypeCode.None,
                         "QilNodeType " + nd.NodeType + " cannot be stored using type " + this.iterCurr.Storage.ItemStorageType + ".");

            // If the nested iterator was constructed in branching mode,
            if (this.iterCurr.IsBranching) {
                // Then if branching hasn't already taken place, do so now
                if (this.iterCurr.Storage.Location != ItemLocation.None) {
                    this.iterCurr.EnsureItemStorageType(nd.XmlType, typeof(bool));
                    this.iterCurr.EnsureStackNoCache();

                    if (this.iterCurr.CurrentBranchingContext == BranchingContext.OnTrue)
                        this.helper.Emit(OpCodes.Brtrue, this.iterCurr.LabelBranch);
                    else
                        this.helper.Emit(OpCodes.Brfalse, this.iterCurr.LabelBranch);

                    this.iterCurr.Storage = StorageDescriptor.None();
                }
            }

            // Save current iterator as nested iterator
            this.iterNested = this.iterCurr;

            // Update current iterator to be parent iterator
            this.iterCurr = this.iterCurr.ParentIterator;
        }