System.Xml.Xsl.Xslt.QilGenerator.CompileApplyTemplates C# (CSharp) Method

        private QilNode CompileApplyTemplates(XslNodeEx node)
        {
            QilNode result;
            IList<XslNode> content = node.Content;

            // Calculate select expression
            int varScope = _varHelper.StartVariables();

            QilIterator select = _f.Let(CompileNodeSetExpression(node.Select));
            _varHelper.AddVariable(select);

            // Compile with-param's, they must be calculated outside the loop and
            // if they are neither constant nor reference we need to cache them in Let's
            for (int i = 0; i < content.Count; i++)
            {
                VarPar withParam = content[i] as VarPar;
                if (withParam != null)
                {
                    Debug.Assert(withParam.NodeType == XslNodeType.WithParam);
                    CompileWithParam(withParam);
                    QilNode val = withParam.Value;
                    if (IsDebug || !(val is QilIterator || val is QilLiteral))
                    {
                        QilIterator let = _f.Let(val);
                        let.DebugName = _f.QName("with-param " + withParam.Name.QualifiedName, XmlReservedNs.NsXslDebug).ToString();
                        _varHelper.AddVariable(let);
                        withParam.Value = let;
                    }
                }
            }

            // Push new loop frame on the stack
            LoopFocus curLoopSaved = _curLoop;
            QilIterator it = _f.For(select);
            _curLoop.SetFocus(it);

            // Compile sort keys and body
            _curLoop.Sort(CompileSorts(content, ref curLoopSaved));

            result = GenerateApply(_compiler.Root, node);

            result = WrapLoopBody(node.ElemNameLi, result, node.EndTagLi);
            result = AddCurrentPositionLast(result);
            result = _curLoop.ConstructLoop(result);

            // Pop loop frame
            _curLoop = curLoopSaved;

            result = _varHelper.FinishVariables(result, varScope);
            return result;
        }