◆ VisitNegate()

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

inlineprotectedvirtual

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

Definition at line 796 of file XmlILOptimizerVisitor.cs.

    {
        QilNode qilNode = local0[0];
        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.EliminateNegate] && qilNode.NodeType == QilNodeType.LiteralDecimal)
        {
            decimal num = (decimal)((QilLiteral)qilNode).Value;
            if (AllowReplace(XmlILOptimization.EliminateNegate, local0))
            {
                return Replace(XmlILOptimization.EliminateNegate, local0, VisitLiteralDecimal(f.LiteralDecimal(-num)));
            }
        }
        if (this[XmlILOptimization.EliminateNegate] && qilNode.NodeType == QilNodeType.LiteralDouble)
        {
            double num2 = (double)((QilLiteral)qilNode).Value;
            if (AllowReplace(XmlILOptimization.EliminateNegate, local0))
            {
                return Replace(XmlILOptimization.EliminateNegate, local0, VisitLiteralDouble(f.LiteralDouble(0.0 - num2)));
            }
        }
        if (this[XmlILOptimization.EliminateNegate] && qilNode.NodeType == QilNodeType.LiteralInt32)
        {
            int num3 = (int)((QilLiteral)qilNode).Value;
            if (AllowReplace(XmlILOptimization.EliminateNegate, local0))
            {
                return Replace(XmlILOptimization.EliminateNegate, local0, VisitLiteralInt32(f.LiteralInt32(-num3)));
            }
        }
        if (this[XmlILOptimization.EliminateNegate] && qilNode.NodeType == QilNodeType.LiteralInt64)
        {
            long num4 = (long)((QilLiteral)qilNode).Value;
            if (AllowReplace(XmlILOptimization.EliminateNegate, local0))
            {
                return Replace(XmlILOptimization.EliminateNegate, local0, VisitLiteralInt64(f.LiteralInt64(-num4)));
            }
        }
        return NoReplace(local0);
    }