protected override QilNode VisitFilter(QilLoop local0) {
QilNode local1 = local0[0];
QilNode local2 = local0[1];
if (this[XmlILOptimization.FoldNone]) {
if ( (object) ( (local2).XmlType ) == (object) XmlQueryTypeFactory.None ) {
if (AllowReplace(XmlILOptimization.FoldNone, local0)) {
return Replace(XmlILOptimization.FoldNone, local0, VisitLoop(f.Loop(local1, local2)));
}
}
}
if (this[XmlILOptimization.EliminateFilter]) {
if ( !OptimizerPatterns.Read(local1).MatchesPattern(OptimizerPatternName.MaybeSideEffects) ) {
if (local2.NodeType == QilNodeType.False) {
if (AllowReplace(XmlILOptimization.EliminateFilter, local0)) {
return Replace(XmlILOptimization.EliminateFilter, local0, VisitSequence(f.Sequence()));
}
}
}
}
if (this[XmlILOptimization.EliminateFilter]) {
if (local2.NodeType == QilNodeType.True) {
if (AllowReplace(XmlILOptimization.EliminateFilter, local0)) {
return Replace(XmlILOptimization.EliminateFilter, local0, (QilNode) (local1)[0] );
}
}
}
if (this[XmlILOptimization.NormalizeAttribute]) {
if (local1.NodeType == QilNodeType.For) {
QilNode local3 = local1[0];
if (local3.NodeType == QilNodeType.Content) {
QilNode local4 = local3[0];
if (local2.NodeType == QilNodeType.And) {
QilNode local5 = local2[0];
QilNode local9 = local2[1];
if (local5.NodeType == QilNodeType.IsType) {
QilNode local6 = local5[0];
QilNode local7 = local5[1];
if (local6 == local1) {
if (local7.NodeType == QilNodeType.LiteralType) {
XmlQueryType local8 = (XmlQueryType)((QilLiteral)local7).Value;
if ( (local8) == ( XmlQueryTypeFactory.Attribute ) ) {
if (local9.NodeType == QilNodeType.Eq) {
QilNode local10 = local9[0];
QilNode local12 = local9[1];
if (local10.NodeType == QilNodeType.NameOf) {
QilNode local11 = local10[0];
if (local11 == local1) {
if (local12.NodeType == QilNodeType.LiteralQName) {
if (AllowReplace(XmlILOptimization.NormalizeAttribute, local0)) {
return Replace(XmlILOptimization.NormalizeAttribute, local0, VisitAttribute(f.Attribute(local4, local12)));
}
}
}
}
}
}
}
}
}
}
}
}
}
if (this[XmlILOptimization.CommuteFilterLoop]) {
if (local1.NodeType == QilNodeType.For) {
QilNode local3 = local1[0];
if (local3.NodeType == QilNodeType.Loop) {
QilNode local4 = local3[0];
QilNode local5 = local3[1];
if ( NonPositional(local2, local1) ) {
if (AllowReplace(XmlILOptimization.CommuteFilterLoop, local0)) {
QilNode local6 = VisitFor(f.For(local5));
return Replace(XmlILOptimization.CommuteFilterLoop, local0, VisitLoop(f.Loop(local4, VisitFilter(f.Filter(local6, Subs(local2, local1, local6) )))));
}
}
}
}
}
if (this[XmlILOptimization.NormalizeLoopInvariant]) {
if ( !OptimizerPatterns.Read(local1).MatchesPattern(OptimizerPatternName.MaybeSideEffects) ) {
if ((!(DependsOn(local2,local1))) && ( !OptimizerPatterns.Read(local2).MatchesPattern(OptimizerPatternName.MaybeSideEffects) )) {
if (AllowReplace(XmlILOptimization.NormalizeLoopInvariant, local0)) {
return Replace(XmlILOptimization.NormalizeLoopInvariant, local0, VisitConditional(f.Conditional(local2, (QilNode) (local1)[0] , VisitSequence(f.Sequence()))));
}
}
}
}
if (this[XmlILOptimization.AnnotateMaxPositionEq]) {
if (local2.NodeType == QilNodeType.Eq) {
QilNode local3 = local2[0];
QilNode local5 = local2[1];
if (local3.NodeType == QilNodeType.PositionOf) {
QilNode local4 = local3[0];
if (local4 == local1) {
if (local5.NodeType == QilNodeType.LiteralInt32) {
int local6 = (int)((QilLiteral)local5).Value;
if (AllowReplace(XmlILOptimization.AnnotateMaxPositionEq, local0)) {
OptimizerPatterns.Write((QilNode) (local1)).AddPattern(OptimizerPatternName.MaxPosition); OptimizerPatterns.Write((QilNode) (local1)).AddArgument(OptimizerPatternArgument.MaxPosition, local6); }
}
}
}
}
}
if (this[XmlILOptimization.AnnotateMaxPositionLe]) {
if (local2.NodeType == QilNodeType.Le) {
QilNode local3 = local2[0];
QilNode local5 = local2[1];
if (local3.NodeType == QilNodeType.PositionOf) {
QilNode local4 = local3[0];
if (local4 == local1) {
if (local5.NodeType == QilNodeType.LiteralInt32) {
int local6 = (int)((QilLiteral)local5).Value;
if (AllowReplace(XmlILOptimization.AnnotateMaxPositionLe, local0)) {
OptimizerPatterns.Write((QilNode) (local1)).AddPattern(OptimizerPatternName.MaxPosition); OptimizerPatterns.Write((QilNode) (local1)).AddArgument(OptimizerPatternArgument.MaxPosition, local6); }
}
}
}
}
}
if (this[XmlILOptimization.AnnotateMaxPositionLt]) {
if (local2.NodeType == QilNodeType.Lt) {
QilNode local3 = local2[0];
QilNode local5 = local2[1];
if (local3.NodeType == QilNodeType.PositionOf) {
QilNode local4 = local3[0];
if (local4 == local1) {
if (local5.NodeType == QilNodeType.LiteralInt32) {
int local6 = (int)((QilLiteral)local5).Value;
if (AllowReplace(XmlILOptimization.AnnotateMaxPositionLt, local0)) {
OptimizerPatterns.Write((QilNode) (local1)).AddPattern(OptimizerPatternName.MaxPosition); OptimizerPatterns.Write((QilNode) (local1)).AddArgument(OptimizerPatternArgument.MaxPosition, local6 - 1 ); }
}
}
}
}
}
if (this[XmlILOptimization.AnnotateFilter]) {
if (local1.NodeType == QilNodeType.For) {
QilNode local3 = local1[0];
if (AllowReplace(XmlILOptimization.AnnotateFilter, local0)) {
OptimizerPatterns.Inherit((QilNode) (local3), (QilNode) (local0), OptimizerPatternName.Step); OptimizerPatterns.Inherit((QilNode) (local3), (QilNode) (local0), OptimizerPatternName.IsDocOrderDistinct); OptimizerPatterns.Inherit((QilNode) (local3), (QilNode) (local0), OptimizerPatternName.SameDepth); }
}
}
if (this[XmlILOptimization.AnnotateFilterElements]) {
if (local1.NodeType == QilNodeType.For) {
QilNode local3 = local1[0];
if ( OptimizerPatterns.Read((QilNode) (local3)).MatchesPattern(OptimizerPatternName.Axis) ) {
if (local2.NodeType == QilNodeType.And) {
QilNode local4 = local2[0];
QilNode local8 = local2[1];
if (local4.NodeType == QilNodeType.IsType) {
QilNode local5 = local4[0];
QilNode local6 = local4[1];
if (local5 == local1) {
if (local6.NodeType == QilNodeType.LiteralType) {
XmlQueryType local7 = (XmlQueryType)((QilLiteral)local6).Value;
if ( (local7) == ( XmlQueryTypeFactory.Element ) ) {
if (local8.NodeType == QilNodeType.Eq) {
QilNode local9 = local8[0];
QilNode local11 = local8[1];
if (local9.NodeType == QilNodeType.NameOf) {
QilNode local10 = local9[0];
if (local10 == local1) {
if (local11.NodeType == QilNodeType.LiteralQName) {
if (AllowReplace(XmlILOptimization.AnnotateFilterElements, local0)) {
OptimizerPatterns.Write((QilNode) (local0)).AddPattern(OptimizerPatternName.FilterElements); OptimizerPatterns.Write((QilNode) (local0)).AddArgument(OptimizerPatternArgument.ElementQName, local11); }
}
}
}
}
}
}
}
}
}
}
}
}
if (this[XmlILOptimization.AnnotateFilterContentKind]) {
if (local1.NodeType == QilNodeType.For) {
QilNode local3 = local1[0];
if ( OptimizerPatterns.Read((QilNode) (local3)).MatchesPattern(OptimizerPatternName.Axis) ) {
if (local2.NodeType == QilNodeType.IsType) {
QilNode local4 = local2[0];
QilNode local5 = local2[1];
if (local4 == local1) {
if (local5.NodeType == QilNodeType.LiteralType) {
XmlQueryType local6 = (XmlQueryType)((QilLiteral)local5).Value;
if ( MatchesContentTest(local6) ) {
if (AllowReplace(XmlILOptimization.AnnotateFilterContentKind, local0)) {
OptimizerPatterns.Write((QilNode) (local0)).AddPattern(OptimizerPatternName.FilterContentKind); OptimizerPatterns.Write((QilNode) (local0)).AddArgument(OptimizerPatternArgument.KindTestType, local6); }
}
}
}
}
}
}
}
if (this[XmlILOptimization.AnnotateFilterAttributeKind]) {
if (local1.NodeType == QilNodeType.For) {
QilNode local3 = local1[0];
if (local3.NodeType == QilNodeType.Content) {
if (local2.NodeType == QilNodeType.IsType) {
QilNode local5 = local2[0];
QilNode local6 = local2[1];
if (local5 == local1) {
if (local6.NodeType == QilNodeType.LiteralType) {
XmlQueryType local7 = (XmlQueryType)((QilLiteral)local6).Value;
if ( (local7) == ( XmlQueryTypeFactory.Attribute ) ) {
if (AllowReplace(XmlILOptimization.AnnotateFilterAttributeKind, local0)) {
OptimizerPatterns.Write((QilNode) (local0)).AddPattern(OptimizerPatternName.FilterAttributeKind); }
}
}
}
}
}
}
}
return NoReplace(local0);
}
