VisitPositionOf()

override QilNode System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitPositionOf ( QilUnary local0 )

inlineprotectedvirtual

Reimplemented from System.Xml.Xsl.Qil.QilVisitor.

Definition at line 409 of file XmlILOptimizerVisitor.cs.

    {
        QilNode qilNode = local0[0];
        if (this[XmlILOptimization.EliminatePositionOf] && qilNode.NodeType != QilNodeType.For && AllowReplace(XmlILOptimization.EliminatePositionOf, local0))
        {
            return Replace(XmlILOptimization.EliminatePositionOf, local0, VisitLiteralInt32(f.LiteralInt32(1)));
        }
        if (this[XmlILOptimization.EliminatePositionOf] && qilNode.NodeType == QilNodeType.For)
        {
            QilNode qilNode2 = qilNode[0];
            if (qilNode2.XmlType.IsSingleton && AllowReplace(XmlILOptimization.EliminatePositionOf, local0))
            {
                return Replace(XmlILOptimization.EliminatePositionOf, local0, VisitLiteralInt32(f.LiteralInt32(1)));
            }
        }
        if (this[XmlILOptimization.AnnotatePositionalIterator] && AllowReplace(XmlILOptimization.AnnotatePositionalIterator, local0))
        {
            OptimizerPatterns.Write(qilNode).AddPattern(OptimizerPatternName.IsPositional);
        }
        return NoReplace(local0);
    }

References System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.AllowReplace(), System.Xml.Xsl.Qil.QilReplaceVisitor.f, System.Xml.Xsl.Qil.QilFactory.LiteralInt32(), System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.NoReplace(), System.Xml.Replace, System.Xml.Xsl.Qil.QilPatternVisitor.VisitLiteralInt32(), and System.Xml.Xsl.IlGen.OptimizerPatterns.Write().