| /******************************************************************************* |
| * Copyright (c) 2005, 2010 Andrea Bittau, University College London, and others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| * Mukul Gandhi - bug 280798 - PsychoPath support for JDK 1.4 |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.xml.xpath2.processor.internal.ast; |
| |
| import org.eclipse.wst.xml.xpath2.api.Function; |
| |
| /** |
| * A class that creates a new value of a specific type based on an existing |
| * value. A cast expression takes two operands: an input expression and a target |
| * type. The type of the input expression is called the input type. The target |
| * type must be a named atomic type, represented by a QName, optionally followed |
| * by the occurrence indicator ? if an empty sequence is permitted. If the |
| * target type has no namespace prefix, it is considered to be in the default |
| * element/type namespace. |
| */ |
| public class CastExpr extends BinExpr { |
| private Function _function; |
| |
| /** |
| * Constructor for CastExpr. |
| * |
| * @param l |
| * input xpath expression/variable. |
| * @param r |
| * SingleType to cast l to. |
| */ |
| public CastExpr(Expr l, SingleType r) { |
| super(l, r); |
| } |
| |
| |
| public Function function() { |
| return _function; |
| } |
| |
| public void set_function(Function _function) { |
| this._function = _function; |
| } |
| |
| /** |
| * Support for Visitor interface. |
| * |
| * @return Result of Visitor operation. |
| */ |
| public Object accept(XPathVisitor v) { |
| return v.visit(this); |
| } |
| } |