Examples of net.sf.saxon.om.ValueRepresentation

net.sf.saxon.om.ValueRepresentation
A ValueRepresentation is a representation of a Value. This is a marker interface used to represent the union of two classes: Value, and NodeInfo. Either of these two classes can be used to represent a value. The class is used primarily to represent the value of a variable.
This class is intended primarily for internal use, and should not be considered part of the Saxon public API.

        }
    }


    public void process(XPathContext c) throws XPathException {
        try {
            ValueRepresentation actual = evaluateVariable(c);
            if (actual instanceof NodeInfo) {
                actual = new SingletonItem((NodeInfo) actual);
            }
            ((Value) actual).process(c);
        } catch (XPathException err) {

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    public SequenceIterator iterate(XPathContext context) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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    public EventIterator iterateEvents(XPathContext context) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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    public Item evaluateItem(XPathContext context) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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    public boolean effectiveBooleanValue(XPathContext context) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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    public void process(XPathContext context) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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    public TailCall processLeavingTail(XPathContext context) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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     */


    public void processLeft(Stack<XPathContext> contextStack, Stack state) throws XPathException {
        XPathContext context = contextStack.peek();
        if (evalBeforeChildren) {
            ValueRepresentation val = eval(context);
            context.setLocalVariable(getLocalSlotNumber(), val);
        } else {
            SequenceReceiver out = context.getReceiver();
            state.push(out);
            SequenceOutputter out2 = new SequenceOutputter();

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        XPathContext context = contextStack.peek();
        if (!evalBeforeChildren) {
            SequenceOutputter out2 = (SequenceOutputter)context.getReceiver();
            SequenceReceiver out = (SequenceReceiver)state.pop();
            context.setReceiver(out);
            ValueRepresentation val = out2.getSequence();
            context.setLocalVariable(getLocalSlotNumber(), val);
            action.process(context);
        }
    }

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    public void evaluatePendingUpdates(XPathContext context, PendingUpdateList pul) throws XPathException {
        // minimize stack consumption by evaluating nested LET expressions iteratively
        LetExpression let = this;
        while (true) {
            ValueRepresentation val = let.eval(context);
            context.setLocalVariable(let.getLocalSlotNumber(), val);
            if (let.action instanceof LetExpression) {
                let = (LetExpression) let.action;
            } else {
                break;

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Related Classes of net.sf.saxon.om.ValueRepresentation

net.sf.saxon.expr.Assignation

net.sf.saxon.expr.AtomicSequenceConverter

net.sf.saxon.expr.LetExpression

net.sf.saxon.expr.SuppliedParameterReference

net.sf.saxon.expr.TailCallLoop

net.sf.saxon.expr.TailExpression

net.sf.saxon.expr.UserFunctionCall

net.sf.saxon.expr.VariableReference

net.sf.saxon.functions.PartialApply

net.sf.saxon.instruct.Assign

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