/*
 * Copyright 2003-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.codehaus.groovy.ast.expr;

import org.codehaus.groovy.ast.GroovyCodeVisitor;


/**
 * Represents an attribute access (accessing the field of a class) such as the expression "foo.@bar".
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 * @version $Revision$
 */
public class AttributeExpression extends PropertyExpression {

    public AttributeExpression(Expression objectExpression, Expression property) {
        super(objectExpression, property, false);
    }

    public AttributeExpression(Expression objectExpression, Expression property, boolean safe) {
        super(objectExpression, property, safe);
    }

    public void visit(GroovyCodeVisitor visitor) {
        visitor.visitAttributeExpression(this);
    }

    public Expression transformExpression(ExpressionTransformer transformer) {
        AttributeExpression ret = new AttributeExpression(transformer.transform(getObjectExpression()),transformer.transform(getProperty()),isSafe());
        ret.setSourcePosition(this);
        ret.setSpreadSafe(isSpreadSafe());
        return ret;
    }
}