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1   /*
2    * Copyright 2003-2008 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.codehaus.groovy.ast.expr;
17  
18  import org.codehaus.groovy.ast.GroovyCodeVisitor;
19  
20  
21  /**
22   * Represents an attribute access (accessing the field of a class) such as the expression "foo.@bar".
23   * 
24   * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
25   * @version $Revision: 13403 $
26   */
27  public class AttributeExpression extends PropertyExpression {
28  
29      public AttributeExpression(Expression objectExpression, Expression property) {
30          super(objectExpression, property, false);
31      }
32  
33      public AttributeExpression(Expression objectExpression, Expression property, boolean safe) {
34          super(objectExpression, property, safe);
35      }
36  
37      public void visit(GroovyCodeVisitor visitor) {
38          visitor.visitAttributeExpression(this);
39      }
40  
41      public Expression transformExpression(ExpressionTransformer transformer) {
42          AttributeExpression ret = new AttributeExpression(transformer.transform(getObjectExpression()),transformer.transform(getProperty()),isSafe());
43          ret.setSourcePosition(this);
44          ret.setSpreadSafe(isSpreadSafe());
45          return ret;
46      }
47  }