VisitDifference()

override QilNode System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitDifference ( QilBinary local0 )

inlineprotectedvirtual

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

Definition at line 701 of file XmlILOptimizerVisitor.cs.

    {
        QilNode qilNode = local0[0];
        QilNode qilNode2 = local0[1];
        if (this[XmlILOptimization.FoldNone] && (object)qilNode.XmlType == XmlQueryTypeFactory.None && AllowReplace(XmlILOptimization.FoldNone, local0))
        {
            return Replace(XmlILOptimization.FoldNone, local0, VisitNop(f.Nop(qilNode)));
        }
        if (this[XmlILOptimization.FoldNone] && (object)qilNode2.XmlType == XmlQueryTypeFactory.None && AllowReplace(XmlILOptimization.FoldNone, local0))
        {
            return Replace(XmlILOptimization.FoldNone, local0, VisitNop(f.Nop(qilNode2)));
        }
        if (this[XmlILOptimization.EliminateDifference] && qilNode.NodeType == QilNodeType.Sequence && qilNode.Count == 0 && AllowReplace(XmlILOptimization.EliminateDifference, local0))
        {
            return Replace(XmlILOptimization.EliminateDifference, local0, qilNode);
        }
        if (this[XmlILOptimization.EliminateDifference] && qilNode2.NodeType == QilNodeType.Sequence && qilNode2.Count == 0 && AllowReplace(XmlILOptimization.EliminateDifference, local0))
        {
            return Replace(XmlILOptimization.EliminateDifference, local0, VisitDocOrderDistinct(f.DocOrderDistinct(qilNode)));
        }
        if (this[XmlILOptimization.EliminateDifference] && qilNode2 == qilNode && AllowReplace(XmlILOptimization.EliminateDifference, local0))
        {
            return Replace(XmlILOptimization.EliminateDifference, local0, VisitSequence(f.Sequence()));
        }
        if (this[XmlILOptimization.EliminateDifference] && qilNode.NodeType == QilNodeType.XmlContext && qilNode2.NodeType == QilNodeType.XmlContext && AllowReplace(XmlILOptimization.EliminateDifference, local0))
        {
            return Replace(XmlILOptimization.EliminateDifference, local0, VisitSequence(f.Sequence()));
        }
        if (this[XmlILOptimization.NormalizeDifference] && (!IsDocOrderDistinct(qilNode) || !IsDocOrderDistinct(qilNode2)) && AllowReplace(XmlILOptimization.NormalizeDifference, local0))
        {
            return Replace(XmlILOptimization.NormalizeDifference, local0, VisitDifference(f.Difference(VisitDocOrderDistinct(f.DocOrderDistinct(qilNode)), VisitDocOrderDistinct(f.DocOrderDistinct(qilNode2)))));
        }
        if (this[XmlILOptimization.AnnotateDifference] && AllowReplace(XmlILOptimization.AnnotateDifference, local0))
        {
            OptimizerPatterns.Write(local0).AddPattern(OptimizerPatternName.IsDocOrderDistinct);
        }
        return NoReplace(local0);
    }

References System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.AllowReplace(), System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Xml.Xsl.Qil.QilFactory.Difference(), System.Xml.Xsl.Qil.QilFactory.DocOrderDistinct(), System.Xml.Xsl.Qil.QilReplaceVisitor.f, System.Xml.Xsl.IlGen.IsDocOrderDistinct, System.Xml.Xsl.XmlQueryTypeFactory.None, System.Xml.Xsl.Qil.QilFactory.Nop(), System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.NoReplace(), System.Xml.Replace, System.Xml.Xsl.Qil.QilFactory.Sequence(), System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitDifference(), System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitDocOrderDistinct(), System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitNop(), System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitSequence(), and System.Xml.Xsl.IlGen.OptimizerPatterns.Write().

Referenced by System.Xml.Xsl.IlGen.XmlILOptimizerVisitor.VisitDifference().