Examples with FunctionCall org.eclipse.wst.xml.xpath2.processor.internal.ast.FunctionCall used on opensource projects

Example 1 with FunctionCall

use of org.eclipse.wst.xml.xpath2.processor.internal.ast.FunctionCall in project webtools.sourceediting by eclipse.

the class Normalizer method make_function.

private XPathExpr make_function(QName name, Collection args) {
    FunctionCall fc = new FunctionCall(name, args);
    FilterExpr fe = new FilterExpr(fc, new ArrayList());
    return new XPathExpr(0, fe);
}

Example 2 with FunctionCall

use of org.eclipse.wst.xml.xpath2.processor.internal.ast.FunctionCall in project webtools.sourceediting by eclipse.

the class DefaultEvaluator method visit.

/**
 * visit function call.
 *
 * @param e
 *            is the function call.
 * @return a new function or null
 */
public Object visit(FunctionCall e) {
    ArrayList args = new ArrayList();
    for (Iterator i = e.iterator(); i.hasNext(); ) {
        Expr arg = (Expr) i.next();
        // each argument will produce a result sequence
        args.add((ResultSequence) arg.accept(this));
    }
    try {
        Function function = e.function();
        if (function == null) {
            function = _sc.resolveFunction(e.name().asQName(), args.size());
            e.set_function(function);
        }
        return function.evaluate(args, _ec);
    } catch (DynamicError err) {
        report_error(err);
        // unreach
        return null;
    }
}

Example 3 with FunctionCall

use of org.eclipse.wst.xml.xpath2.processor.internal.ast.FunctionCall in project webtools.sourceediting by eclipse.

the class StaticNameResolver method visit.

/**
 * Validate a function call.
 *
 * @param e
 *            is the expression.
 * @return null.
 */
public Object visit(FunctionCall e) {
    QName name = e.name();
    if (!expandFunctionQName(name))
        reportBadPrefix(name.prefix());
    javax.xml.namespace.QName qName = name.asQName();
    Function f = _sc.resolveFunction(qName, e.arity());
    if (f == null)
        reportError(new StaticFunctNameError("Function does not exist: " + name.string() + " arity: " + e.arity()));
    e.set_function(f);
    _resolvedFunctions.add(qName);
    visitExprs(e.iterator());
    return null;
}