QilPatternVisitor.cs

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using System.Collections;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
 
namespace System.Xml.Xsl.Qil;
 
internal abstract class QilPatternVisitor : QilReplaceVisitor
{
    internal sealed class QilPatterns
    {
        private readonly BitArray _bits;
 
        public QilPatterns(int szBits, bool allSet)
        {
            _bits = new BitArray(szBits, allSet);
        }
 
        public void Add(int i)
        {
            _bits.Set(i, value: true);
        }
 
        public bool IsSet(int i)
        {
            return _bits[i];
        }
    }
 
    [CompilerGenerated]
    private int _003CLastReplacement_003Ek__BackingField;
 
    public QilPatterns Patterns { get; set; }
 
    public int Threshold { get; } = int.MaxValue;
 
 
    public int ReplacementCount { get; private set; }
 
    private int LastReplacement
    {
        [CompilerGenerated]
        set
        {
            _003CLastReplacement_003Ek__BackingField = value;
        }
    }
 
    public bool Matching => ReplacementCount < Threshold;
 
    public QilPatternVisitor(QilPatterns patterns, QilFactory f)
        : base(f)
    {
        Patterns = patterns;
    }
 
    protected virtual bool AllowReplace(int pattern, QilNode original)
    {
        if (Matching)
        {
            ReplacementCount++;
            LastReplacement = pattern;
            return true;
        }
        return false;
    }
 
    protected virtual QilNode Replace(int pattern, QilNode original, QilNode replacement)
    {
        replacement.SourceLine = original.SourceLine;
        return replacement;
    }
 
    [return: NotNullIfNotNull("node")]
    protected virtual QilNode NoReplace(QilNode node)
    {
        return node;
    }
 
    protected override QilNode Visit(QilNode node)
    {
        if (node == null)
        {
            return VisitNull();
        }
        node = VisitChildren(node);
        return base.Visit(node);
    }
 
    protected override QilNode VisitQilExpression(QilExpression n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFunctionList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitGlobalVariableList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitGlobalParameterList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitActualParameterList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFormalParameterList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitSortKeyList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitBranchList(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitOptimizeBarrier(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitUnknown(QilNode n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDataSource(QilDataSource n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNop(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitError(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitWarning(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFor(QilIterator n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitForReference(QilIterator n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLet(QilIterator n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLetReference(QilIterator n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitParameter(QilParameter n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitParameterReference(QilParameter n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitPositionOf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitTrue(QilNode n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFalse(QilNode n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralString(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralInt32(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralInt64(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralDouble(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralDecimal(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralQName(QilName n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralType(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLiteralObject(QilLiteral n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAnd(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitOr(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNot(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitConditional(QilTernary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitChoice(QilChoice n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLength(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitSequence(QilList n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitUnion(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitIntersection(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDifference(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAverage(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitSum(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitMinimum(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitMaximum(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNegate(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAdd(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitSubtract(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitMultiply(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDivide(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitModulo(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitStrLength(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitStrConcat(QilStrConcat n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitStrParseQName(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNe(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitEq(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitGt(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitGe(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLt(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLe(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitIs(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAfter(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitBefore(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLoop(QilLoop n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFilter(QilLoop n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitSort(QilLoop n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitSortKey(QilSortKey n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDocOrderDistinct(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFunction(QilFunction n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFunctionReference(QilFunction n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitInvoke(QilInvoke n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitContent(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAttribute(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitParent(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitRoot(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXmlContext(QilNode n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDescendant(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDescendantOrSelf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAncestor(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAncestorOrSelf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitPreceding(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitFollowingSibling(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitPrecedingSibling(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNodeRange(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDeref(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitElementCtor(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitAttributeCtor(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitCommentCtor(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitPICtor(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitTextCtor(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitRawTextCtor(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitDocumentCtor(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNamespaceDecl(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitRtfCtor(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNameOf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitLocalNameOf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitNamespaceUriOf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitPrefixOf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitTypeAssert(QilTargetType n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitIsType(QilTargetType n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitIsEmpty(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXPathNodeValue(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXPathFollowing(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXPathPreceding(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXPathNamespace(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXsltGenerateId(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXsltInvokeLateBound(QilInvokeLateBound n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXsltInvokeEarlyBound(QilInvokeEarlyBound n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXsltCopy(QilBinary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXsltCopyOf(QilUnary n)
    {
        return NoReplace(n);
    }
 
    protected override QilNode VisitXsltConvert(QilTargetType n)
    {
        return NoReplace(n);
    }
}